Merge branch 'master' into berry_fix_program

1 files changed, 5118 insertions, 0 deletions

diff --git a/src/field_map_obj.c b/src/field_map_obj.c
new file mode 100755
index 000000000..26bc513fb
--- /dev/null
+++ b/src/field_map_obj.c
@@ -0,0 +1,5118 @@
+// Includes
+
+#include "global.h"
+#include "malloc.h"
+#include "sprite.h"
+#include "rom4.h"
+#include "rng.h"
+#include "event_scripts.h"
+#include "berry.h"
+#include "palette.h"
+#include "field_player_avatar.h"
+#include "fieldmap.h"
+#include "event_data.h"
+#include "rom_818CFC8.h"
+#include "rom_81BE66C.h"
+#include "field_ground_effect.h"
+#include "map_obj_8097404.h"
+#include "mauville_old_man.h"
+#include "metatile_behavior.h"
+#include "field_effect.h"
+#include "field_effect_helpers.h"
+#include "field_camera.h"
+#include "trainer_see.h"
+#include "field_map_obj.h"
+
+#define NUM_FIELD_MAP_OBJECT_TEMPLATES 0x51
+
+#define null_object_step(name, retval) \
+bool8 FieldObjectCB2_##name(struct MapObject *, struct Sprite *);\
+void FieldObjectCB_##name(struct Sprite *sprite)\
+{\
+    FieldObjectStep(&gMapObjects[sprite->data0], sprite, FieldObjectCB2_##name);\
+}\
+bool8 FieldObjectCB2_##name(struct MapObject *mapObject, struct Sprite *sprite)\
+{\
+    return (retval);\
+}
+
+#define field_object_step(name, table) \
+extern bool8 (*const (table)[])(struct MapObject *, struct Sprite *);\
+bool8 FieldObjectCB2_##name(struct MapObject *, struct Sprite *);\
+void FieldObjectCB_##name(struct Sprite *sprite)\
+{\
+    FieldObjectStep(&gMapObjects[sprite->data0], sprite, FieldObjectCB2_##name);\
+}\
+bool8 FieldObjectCB2_##name(struct MapObject *mapObject, struct Sprite *sprite)\
+{\
+    return (table)[sprite->data1](mapObject, sprite);\
+}
+
+#define field_object_path(idx, table, sub, path, catch, coord)\
+field_object_step(GoInDirectionSequence##idx, table)\
+extern const u8 path[4];\
+bool8 sub(struct MapObject *mapObject, struct Sprite *sprite)\
+{\
+    u8 route[sizeof(path)];\
+    memcpy(route, path, sizeof(path));\
+    if (mapObject->mapobj_unk_21 == (catch) && mapObject->coords1.coord == mapObject->coords2.coord)\
+    {\
+        mapObject->mapobj_unk_21 = (catch) + 1;\
+    }\
+    return MoveFieldObjectInNextDirectionInSequence(mapObject, sprite, route);\
+}\
+
+// Static struct declarations
+
+// Static RAM declarations
+
+extern u8 gUnknown_020375B4;
+extern u16 gUnknown_020375B6;
+
+// Static ROM declarations
+
+static void sub_808D450(void);
+static u8 GetFieldObjectIdByLocalId(u8);
+static u8 GetFieldObjectIdByLocalIdAndMapInternal(u8, u8, u8);
+static bool8 GetAvailableFieldObjectSlot(u16, u8, u8, u8 *);
+static void FieldObjectHandleDynamicGraphicsId(struct MapObject *);
+static void RemoveFieldObjectInternal (struct MapObject *);
+/*static*/ u16 GetFieldObjectFlagIdByFieldObjectId(u8);
+void sub_8096518(struct MapObject *, struct Sprite *);
+static void MakeObjectTemplateFromFieldObjectTemplate(struct MapObjectTemplate *, struct SpriteTemplate *, const struct SubspriteTable **);
+/*static*/ void GetFieldObjectMovingCameraOffset(s16 *, s16 *);
+/*static*/ struct MapObjectTemplate *GetFieldObjectTemplateByLocalIdAndMap(u8, u8, u8);
+static void sub_808E894(u16);
+static void RemoveFieldObjectIfOutsideView(struct MapObject *);
+static void sub_808E1B8(u8, s16, s16);
+static void SetPlayerAvatarFieldObjectIdAndObjectId(u8, u8);
+/*static*/ void sub_808E38C(struct MapObject *);
+static u8 sub_808E8F4(const struct SpritePalette *);
+static u8 FindFieldObjectPaletteIndexByTag(u16);
+static void sub_808EAB0(u16, u8);
+static bool8 FieldObjectDoesZCoordMatch(struct MapObject *, u8);
+//static void CameraObject_0(struct Sprite *);
+/*static*/ void CameraObject_1(struct Sprite *);
+//static void CameraObject_2(struct Sprite *);
+/*static*/ struct MapObjectTemplate *FindFieldObjectTemplateInArrayByLocalId(u8 localId, struct MapObjectTemplate *templates, u8 count);
+void npc_reset(struct MapObject *, struct Sprite *);
+void FieldObjectSetRegularAnim(struct MapObject *, struct Sprite *, u8);
+
+u8 GetFaceDirectionAnimId(u32);
+u8 GetGoSpeed0AnimId(u32);
+u8 GetGoSpeed1AnimId(u32);
+u8 GetGoSpeed3AnimId(u32);
+u8 sub_8093438(u32);
+u8 sub_80934BC(u32);
+u8 sub_8093514(u32);
+u8 GetJumpLedgeAnimId(u32);
+void sub_8092F88(u32, s16 *, s16 *, s16, s16);
+
+bool8 FieldObjectExecRegularAnim(struct MapObject *, struct Sprite *);
+void SetFieldObjectStepTimer(struct Sprite *, s16);
+bool8 RunFieldObjectStepTimer(struct Sprite *);
+bool8 npc_block_way__next_tile(struct MapObject *, u8);
+static u32 state_to_direction(u8, u32, u32);
+/*static*/ void sub_80964E8(struct MapObject *, struct Sprite *);
+static void FieldObjectExecSpecialAnim(struct MapObject *, struct Sprite *);
+/*static*/ void npc_obj_transfer_image_anim_pause_flag(struct MapObject *, struct Sprite *);
+
+static bool8 IsCoordOutsideFieldObjectMovementRect(struct MapObject *, s16, s16);
+static bool8 IsMetatileDirectionallyImpassable(struct MapObject *, s16, s16, u8);
+static bool8 CheckForCollisionBetweenFieldObjects(struct MapObject *, s16, s16);
+bool8 sub_809558C(struct MapObject *, struct Sprite *);
+bool8 sub_8095B64(struct MapObject *, struct Sprite *);
+static void sub_8096530(struct MapObject *, struct Sprite *);
+static void npc_update_obj_anim_flag(struct MapObject *, struct Sprite *);
+
+// ROM data
+
+extern void (*const gUnknown_08505438[NUM_FIELD_MAP_OBJECT_TEMPLATES])(struct Sprite *);
+extern const u8 gUnknown_0850557C[NUM_FIELD_MAP_OBJECT_TEMPLATES];
+extern const u8 gUnknown_085055CD[NUM_FIELD_MAP_OBJECT_TEMPLATES];
+extern const struct MapObjectGraphicsInfo *const gMauvilleOldManGraphicsInfoPointers[7];
+extern const struct MapObjectGraphicsInfo *const gFieldObjectGraphicsInfoPointers[0xEF];
+extern u8 (*const gUnknown_0850D714[11])(s16, s16, s16, s16);
+
+struct PairedPalettes {
+    u16 tag;
+    const u16 *data;
+};
+
+extern const u8 gUnknown_084975C4[0x10];
+extern const struct SpriteTemplate gUnknown_084975D4;
+extern void (*const gUnknown_084975EC[3])(struct Sprite *);
+extern const struct SpritePalette gUnknown_0850BBC8[39];
+extern const struct PairedPalettes gUnknown_0850BD00[4];
+extern const struct PairedPalettes gUnknown_0850BD78[14];
+extern const u16 *const gUnknown_0850BE38[2];
+extern const s16 gUnknown_0850D6DC[4]; // {0x20, 0x40, 0x60, 0x80}
+extern const s16 gUnknown_0850D6EC[4];
+extern const u8 gUnknown_0850D710[4]; // {DIR_SOUTH, DIR_NORTH, DIR_WEST, DIR_EAST}
+extern const u8 gUnknown_0850D770[2]; // {DIR_SOUTH, DIR_NORTH}
+extern const u8 gUnknown_0850D790[2]; // {DIR_WEST, DIR_EAST}
+extern const u8 gUnknown_0850D7F0[2]; // {DIR_NORTH, DIR_WEST}
+extern const u8 gUnknown_0850D808[2]; // {DIR_NORTH, DIR_EAST}
+extern const u8 gUnknown_0850D820[2]; // {DIR_SOUTH, DIR_WEST}
+extern const u8 gUnknown_0850D838[2]; // {DIR_SOUTH, DIR_EAST}
+extern const u8 gUnknown_0850D850[4];
+extern const u8 gUnknown_0850D868[4];
+extern const u8 gUnknown_0850D880[4];
+extern const u8 gUnknown_0850D898[4];
+extern const u8 gUnknown_0850D8AC[5];
+extern const u8 gUnknown_0850D8C4[5];
+extern const u8 gUnknown_0850D8E8[4];
+extern bool8 (*const gUnknown_0850DA64[11])(struct MapObject *, struct Sprite *, u8, bool8(u8));
+extern bool8 (*const gUnknown_0850DB5C[4])(u8);
+extern bool8 (*const gUnknown_0850DB6C[4])(u8);
+extern const struct Coords16 gUnknown_0850DB7C[4];
+extern const u8 gUnknown_0850DC2F[4][4];
+extern const u8 gUnknown_0850DC3F[4][4];
+extern const u8 gUnknown_0850DBA0[5];
+extern bool8 (*const *const gUnknown_0850DC50[166])(struct MapObject *, struct Sprite *);
+extern u8 (*const gUnknown_0850DEE8[5])(u8);
+extern const s16 gUnknown_0850DFBC[3];
+extern const s16 gUnknown_0850DFC2[3];
+
+// Code
+
+static void npc_clear_ids_and_state(struct MapObject *mapObject)
+{
+    *mapObject = (struct MapObject){};
+    mapObject->localId = 0xFF;
+    mapObject->mapNum = -1;
+    mapObject->mapGroup = -1;
+    mapObject->mapobj_unk_1C = -1;
+}
+
+static void npcs_clear_ids_and_state(void)
+{
+    u8 i;
+
+    for (i = 0; i < NUM_FIELD_OBJECTS; i ++)
+    {
+        npc_clear_ids_and_state(&gMapObjects[i]);
+    }
+}
+
+void sub_808D438(void)
+{
+    strange_npc_table_clear();
+    npcs_clear_ids_and_state();
+    ClearPlayerAvatarInfo();
+    sub_808D450();
+}
+
+static void sub_808D450(void)
+{
+    u8 spriteIdx;
+
+    spriteIdx = CreateSpriteAtEnd(gFieldEffectObjectTemplatePointers[21], 0, 0, 31);
+    gSprites[spriteIdx].oam.affineMode = 1;
+    InitSpriteAffineAnim(&gSprites[spriteIdx]);
+    StartSpriteAffineAnim(&gSprites[spriteIdx], 0);
+    gSprites[spriteIdx].invisible = TRUE;
+
+    spriteIdx = CreateSpriteAtEnd(gFieldEffectObjectTemplatePointers[21], 0, 0, 31);
+    gSprites[spriteIdx].oam.affineMode = 1;
+    InitSpriteAffineAnim(&gSprites[spriteIdx]);
+    StartSpriteAffineAnim(&gSprites[spriteIdx], 1);
+    gSprites[spriteIdx].invisible = TRUE;
+}
+
+u8 sub_808D4F4(void)
+{
+    u8 i;
+
+    for (i = 0; i < NUM_FIELD_OBJECTS; i ++)
+    {
+        if (!gMapObjects[i].active)
+        {
+            break;
+        }
+    }
+    return i;
+}
+
+u8 GetFieldObjectIdByLocalIdAndMap(u8 localId, u8 mapId, u8 mapGroupId)
+{
+    if (localId < 0xff)
+    {
+        return GetFieldObjectIdByLocalIdAndMapInternal(localId, mapId, mapGroupId);
+    }
+    return GetFieldObjectIdByLocalId(localId);
+}
+
+bool8 TryGetFieldObjectIdByLocalIdAndMap(u8 localId, u8 mapId, u8 mapGroupId, u8 *fieldObjectId)
+{
+    *fieldObjectId = GetFieldObjectIdByLocalIdAndMap(localId, mapId, mapGroupId);
+    if (*fieldObjectId == NUM_FIELD_OBJECTS)
+    {
+        return TRUE;
+    }
+    return FALSE;
+}
+
+u8 GetFieldObjectIdByXY(s16 x, s16 y)
+{
+    u8 i;
+
+    for (i = 0; i < NUM_FIELD_OBJECTS; i ++)
+    {
+        if (gMapObjects[i].active && gMapObjects[i].coords2.x == x && gMapObjects[i].coords2.y == y)
+        {
+            break;
+        }
+    }
+    return i;
+}
+
+static u8 GetFieldObjectIdByLocalIdAndMapInternal(u8 localId, u8 mapId, u8 mapGroupId)
+{
+    u8 i;
+
+    for (i = 0; i < NUM_FIELD_OBJECTS; i ++)
+    {
+        if (gMapObjects[i].active && gMapObjects[i].localId == localId && gMapObjects[i].mapNum == mapId && gMapObjects[i].mapGroup == mapGroupId)
+        {
+            return i;
+        }
+    }
+    return NUM_FIELD_OBJECTS;
+}
+
+static u8 GetFieldObjectIdByLocalId(u8 localId)
+{
+    u8 i;
+
+    for (i = 0; i < NUM_FIELD_OBJECTS; i ++)
+    {
+        if (gMapObjects[i].active && gMapObjects[i].localId == localId)
+        {
+            return i;
+        }
+    }
+    return NUM_FIELD_OBJECTS;
+}
+
+// This function has the same nonmatching quirk as in Ruby/Sapphire.
+#ifdef NONMATCHING
+static u8 InitFieldObjectStateFromTemplate(struct MapObjectTemplate *template, u8 mapNum, u8 mapGroup)
+{
+    struct MapObject *mapObject;
+    s16 x;
+    s16 y;
+    u8 slot;
+
+    // mapNum and mapGroup are in the wrong registers (r7/r6 instead of r6/r7)
+    if (GetAvailableFieldObjectSlot(template->localId, mapNum, mapGroup, &slot))
+    {
+        return NUM_FIELD_OBJECTS;
+    }
+    mapObject = &gMapObjects[slot];
+    npc_clear_ids_and_state(mapObject);
+    x = template->x + 7;
+    y = template->y + 7;
+    mapObject->active = TRUE;
+    mapObject->mapobj_bit_2 = TRUE;
+    mapObject->graphicsId = template->graphicsId;
+    mapObject->animPattern = template->movementType;
+    mapObject->localId = template->localId;
+    mapObject->mapNum = mapNum;
+    mapObject->mapGroup = mapGroup;
+    mapObject->coords1.x = x;
+    mapObject->coords1.y = y;
+    mapObject->coords2.x = x;
+    mapObject->coords2.y = y;
+    mapObject->coords3.x = x;
+    mapObject->coords3.y = y;
+    mapObject->mapobj_unk_0B_0 = template->elevation;
+    mapObject->elevation = template->elevation;
+    // For some reason, 0x0F is placed in r9, to be used later
+    mapObject->range.as_nybbles.x = template->unkA_0;
+    mapObject->range.as_nybbles.y = template->unkA_4;
+    mapObject->trainerType = template->unkC;
+    mapObject->trainerRange_berryTreeId = template->unkE;
+    mapObject->mapobj_unk_20 = gUnknown_085055CD[template->movementType];
+    FieldObjectSetDirection(mapObject, mapObject->mapobj_unk_20);
+    FieldObjectHandleDynamicGraphicsId(mapObject);
+
+    if (gUnknown_0850557C[mapObject->animPattern])
+    {
+        if ((mapObject->range.as_nybbles.x) == 0)
+        {
+            // r9 is invoked here
+            mapObject->range.as_nybbles.x ++;
+        }
+        if ((mapObject->range.as_nybbles.y) == 0)
+        {
+            mapObject->range.as_nybbles.y ++;
+        }
+    }
+    return slot;
+}
+#else
+static __attribute__((naked)) u8 InitFieldObjectStateFromTemplate(struct MapObjectTemplate *template, u8 mapId, u8 mapGroupId)
+{
+    asm_unified("\tpush {r4-r7,lr}\n"
+                "\tmov r7, r9\n"
+                "\tmov r6, r8\n"
+                "\tpush {r6,r7}\n"
+                "\tsub sp, 0x4\n"
+                "\tadds r5, r0, 0\n"
+                "\tlsls r1, 24\n"
+                "\tlsrs r6, r1, 24\n"
+                "\tlsls r2, 24\n"
+                "\tlsrs r7, r2, 24\n"
+                "\tldrb r0, [r5]\n"
+                "\tadds r1, r6, 0\n"
+                "\tadds r2, r7, 0\n"
+                "\tmov r3, sp\n"
+                "\tbl GetAvailableFieldObjectSlot\n"
+                "\tlsls r0, 24\n"
+                "\tcmp r0, 0\n"
+                "\tbeq _0808D66E\n"
+                "\tmovs r0, 0x10\n"
+                "\tb _0808D762\n"
+                "_0808D66E:\n"
+                "\tmov r0, sp\n"
+                "\tldrb r1, [r0]\n"
+                "\tlsls r0, r1, 3\n"
+                "\tadds r0, r1\n"
+                "\tlsls r0, 2\n"
+                "\tldr r1, =gMapObjects\n"
+                "\tadds r4, r0, r1\n"
+                "\tadds r0, r4, 0\n"
+                "\tbl npc_clear_ids_and_state\n"
+                "\tldrh r3, [r5, 0x4]\n"
+                "\tadds r3, 0x7\n"
+                "\tlsls r3, 16\n"
+                "\tlsrs r3, 16\n"
+                "\tldrh r2, [r5, 0x6]\n"
+                "\tadds r2, 0x7\n"
+                "\tlsls r2, 16\n"
+                "\tlsrs r2, 16\n"
+                "\tldrb r0, [r4]\n"
+                "\tmovs r1, 0x1\n"
+                "\torrs r0, r1\n"
+                "\tmovs r1, 0x4\n"
+                "\torrs r0, r1\n"
+                "\tstrb r0, [r4]\n"
+                "\tldrb r0, [r5, 0x1]\n"
+                "\tstrb r0, [r4, 0x5]\n"
+                "\tldrb r0, [r5, 0x9]\n"
+                "\tstrb r0, [r4, 0x6]\n"
+                "\tldrb r0, [r5]\n"
+                "\tstrb r0, [r4, 0x8]\n"
+                "\tstrb r6, [r4, 0x9]\n"
+                "\tstrb r7, [r4, 0xA]\n"
+                "\tstrh r3, [r4, 0xC]\n"
+                "\tstrh r2, [r4, 0xE]\n"
+                "\tstrh r3, [r4, 0x10]\n"
+                "\tstrh r2, [r4, 0x12]\n"
+                "\tstrh r3, [r4, 0x14]\n"
+                "\tstrh r2, [r4, 0x16]\n"
+                "\tldrb r0, [r5, 0x8]\n"
+                "\tmovs r7, 0xF\n"
+                "\tadds r1, r7, 0\n"
+                "\tands r1, r0\n"
+                "\tldrb r2, [r4, 0xB]\n"
+                "\tmovs r0, 0x10\n"
+                "\tnegs r0, r0\n"
+                "\tmov r8, r0\n"
+                "\tands r0, r2\n"
+                "\torrs r0, r1\n"
+                "\tstrb r0, [r4, 0xB]\n"
+                "\tldrb r1, [r5, 0x8]\n"
+                "\tlsls r1, 4\n"
+                "\tands r0, r7\n"
+                "\torrs r0, r1\n"
+                "\tstrb r0, [r4, 0xB]\n"
+                "\tldrb r1, [r5, 0xA]\n"
+                "\tlsls r1, 28\n"
+                "\tmovs r0, 0xF\n"
+                "\tmov r9, r0\n"
+                "\tlsrs r1, 28\n"
+                "\tldrb r2, [r4, 0x19]\n"
+                "\tmov r0, r8\n"
+                "\tands r0, r2\n"
+                "\torrs r0, r1\n"
+                "\tstrb r0, [r4, 0x19]\n"
+                "\tldrb r1, [r5, 0xA]\n"
+                "\tlsrs r1, 4\n"
+                "\tlsls r1, 4\n"
+                "\tands r0, r7\n"
+                "\torrs r0, r1\n"
+                "\tstrb r0, [r4, 0x19]\n"
+                "\tldrh r0, [r5, 0xC]\n"
+                "\tstrb r0, [r4, 0x7]\n"
+                "\tldrh r0, [r5, 0xE]\n"
+                "\tstrb r0, [r4, 0x1D]\n"
+                "\tldr r1, =gUnknown_085055CD\n"
+                "\tldrb r0, [r5, 0x9]\n"
+                "\tadds r0, r1\n"
+                "\tldrb r1, [r0]\n"
+                "\tadds r0, r4, 0\n"
+                "\tadds r0, 0x20\n"
+                "\tstrb r1, [r0]\n"
+                "\tldrb r1, [r0]\n"
+                "\tadds r0, r4, 0\n"
+                "\tbl FieldObjectSetDirection\n"
+                "\tadds r0, r4, 0\n"
+                "\tbl FieldObjectHandleDynamicGraphicsId\n"
+                "\tldr r1, =gUnknown_0850557C\n"
+                "\tldrb r0, [r4, 0x6]\n"
+                "\tadds r0, r1\n"
+                "\tldrb r0, [r0]\n"
+                "\tcmp r0, 0\n"
+                "\tbeq _0808D75E\n"
+                "\tldrb r2, [r4, 0x19]\n"
+                "\tadds r0, r7, 0\n"
+                "\tands r0, r2\n"
+                "\tcmp r0, 0\n"
+                "\tbne _0808D746\n"
+                "\tlsls r0, r2, 28\n"
+                "\tlsrs r0, 28\n"
+                "\tadds r0, 0x1\n"
+                "\tmov r1, r9\n"
+                "\tands r0, r1\n"
+                "\tmov r1, r8\n"
+                "\tands r1, r2\n"
+                "\torrs r1, r0\n"
+                "\tstrb r1, [r4, 0x19]\n"
+                "_0808D746:\n"
+                "\tldrb r2, [r4, 0x19]\n"
+                "\tmovs r0, 0xF0\n"
+                "\tands r0, r2\n"
+                "\tcmp r0, 0\n"
+                "\tbne _0808D75E\n"
+                "\tlsrs r1, r2, 4\n"
+                "\tadds r1, 0x1\n"
+                "\tlsls r1, 4\n"
+                "\tadds r0, r7, 0\n"
+                "\tands r0, r2\n"
+                "\torrs r0, r1\n"
+                "\tstrb r0, [r4, 0x19]\n"
+                "_0808D75E:\n"
+                "\tmov r0, sp\n"
+                "\tldrb r0, [r0]\n"
+                "_0808D762:\n"
+                "\tadd sp, 0x4\n"
+                "\tpop {r3,r4}\n"
+                "\tmov r8, r3\n"
+                "\tmov r9, r4\n"
+                "\tpop {r4-r7}\n"
+                "\tpop {r1}\n"
+                "\tbx r1\n"
+                ".pool");
+}
+#endif
+
+u8 unref_sub_808D77C(u8 localId)
+{
+    u8 i;
+    u8 nObjects;
+    struct MapObjectTemplate *template;
+
+    if (gMapHeader.events != NULL)
+    {
+        if (InBattlePyramid())
+        {
+            nObjects = sub_81AAA40();
+        }
+        else if (InTrainerHill())
+        {
+            nObjects = 2;
+        }
+        else
+        {
+            nObjects = gMapHeader.events->mapObjectCount;
+        }
+        for (i = 0; i < nObjects; i ++)
+        {
+            template = &gSaveBlock1Ptr->mapObjectTemplates[i];
+            if (template->localId == localId && !FlagGet(template->flagId))
+            {
+                return InitFieldObjectStateFromTemplate(template, gSaveBlock1Ptr->location.mapNum, gSaveBlock1Ptr->location.mapGroup);
+            }
+        }
+    }
+    return NUM_FIELD_OBJECTS;
+}
+
+static bool8 GetAvailableFieldObjectSlot(u16 localId, u8 mapNum, u8 mapGroup, u8 *result)
+// Looks for an empty slot.
+// Returns FALSE and the location of the available slot
+// in *result.
+// If no slots are available, or if the object is already
+// loaded, returns TRUE.
+{
+    u8 i = 0;
+
+    for (i = 0; i < NUM_FIELD_OBJECTS; i ++)
+    {
+        if (!gMapObjects[i].active)
+            break;
+        if (gMapObjects[i].localId == localId && gMapObjects[i].mapNum == mapNum && gMapObjects[i].mapGroup == mapGroup)
+            return TRUE;
+    }
+    if (i >= NUM_FIELD_OBJECTS)
+        return TRUE;
+    *result = i;
+    do
+    {
+        if (gMapObjects[i].active && gMapObjects[i].localId == localId && gMapObjects[i].mapNum == mapNum && gMapObjects[i].mapGroup == mapGroup)
+            return TRUE;
+        i ++;
+    } while (i < NUM_FIELD_OBJECTS);
+    return FALSE;
+}
+
+static void RemoveFieldObject(struct MapObject *mapObject)
+{
+    mapObject->active = FALSE;
+    RemoveFieldObjectInternal(mapObject);
+}
+
+void RemoveFieldObjectByLocalIdAndMap(u8 localId, u8 mapNum, u8 mapGroup)
+{
+    u8 index;
+    if (!TryGetFieldObjectIdByLocalIdAndMap(localId, mapNum, mapGroup, &index))
+    {
+        FlagSet(GetFieldObjectFlagIdByFieldObjectId(index));
+        RemoveFieldObject(&gMapObjects[index]);
+    }
+}
+
+static void RemoveFieldObjectInternal(struct MapObject *mapObject)
+{
+    struct SpriteFrameImage image;
+    image.size = GetFieldObjectGraphicsInfo(mapObject->graphicsId)->size;
+    gSprites[mapObject->spriteId].images = &image;
+    DestroySprite(&gSprites[mapObject->spriteId]);
+}
+
+void unref_sub_808D958(void)
+{
+    u8 i;
+
+    for (i = 0; i < NUM_FIELD_OBJECTS; i ++)
+    {
+        if (i != gPlayerAvatar.mapObjectId)
+        {
+            RemoveFieldObject(&gMapObjects[i]);
+        }
+    }
+}
+
+static u8 SpawnFieldObjectInternal(struct MapObjectTemplate *mapObjectTemplate, struct SpriteTemplate *spriteTemplate, u8 mapNum, u8 mapGroup, s16 cameraX, s16 cameraY)
+{
+    struct MapObject *mapObject;
+    const struct MapObjectGraphicsInfo *graphicsInfo;
+    struct Sprite *sprite;
+    u8 mapObjectId;
+    u8 paletteSlot;
+    u8 spriteId;
+
+    mapObjectId = InitFieldObjectStateFromTemplate(mapObjectTemplate, mapNum, mapGroup);
+    if (mapObjectId == NUM_FIELD_OBJECTS)
+    {
+        return NUM_FIELD_OBJECTS;
+    }
+    mapObject = &gMapObjects[mapObjectId];
+    graphicsInfo = GetFieldObjectGraphicsInfo(mapObject->graphicsId);
+    paletteSlot = graphicsInfo->paletteSlot;
+    if (paletteSlot == 0)
+    {
+        npc_load_two_palettes__no_record(graphicsInfo->paletteTag1, 0);
+    }
+    else if (paletteSlot == 10)
+    {
+        npc_load_two_palettes__and_record(graphicsInfo->paletteTag1, 10);
+    }
+    else if (paletteSlot >= 16)
+    {
+        paletteSlot -= 16;
+        sub_808EAB0(graphicsInfo->paletteTag1, paletteSlot);
+    }
+    if (mapObject->animPattern == 0x4c)
+    {
+        mapObject->mapobj_bit_13 = TRUE;
+    }
+    *(u16 *)&spriteTemplate->paletteTag = 0xFFFF;
+    spriteId = CreateSprite(spriteTemplate, 0, 0, 0);
+    if (spriteId == MAX_SPRITES)
+    {
+        gMapObjects[mapObjectId].active = FALSE;
+        return NUM_FIELD_OBJECTS;
+    }
+    sprite = &gSprites[spriteId];
+    sub_8092FF0(mapObject->coords2.x + cameraX, mapObject->coords2.y + cameraY, &sprite->pos1.x, &sprite->pos1.y);
+    sprite->centerToCornerVecX = -(graphicsInfo->width >> 1);
+    sprite->centerToCornerVecY = -(graphicsInfo->height >> 1);
+    sprite->pos1.x += 8;
+    sprite->pos1.y += 16 + sprite->centerToCornerVecY;
+    sprite->oam.paletteNum = paletteSlot;
+    sprite->coordOffsetEnabled = TRUE;
+    sprite->data0 = mapObjectId;
+    mapObject->spriteId = spriteId;
+    mapObject->mapobj_bit_12 = graphicsInfo->inanimate;
+    if (!mapObject->mapobj_bit_12)
+    {
+        StartSpriteAnim(sprite, FieldObjectDirectionToImageAnimId(mapObject->mapobj_unk_18));
+    }
+    SetObjectSubpriorityByZCoord(mapObject->elevation, sprite, 1);
+    sub_8096518(mapObject, sprite);
+    return mapObjectId;
+}
+
+static u8 SpawnFieldObject(struct MapObjectTemplate *mapObjectTemplate, u8 mapNum, u8 mapGroup, s16 cameraX, s16 cameraY)
+{
+    const struct MapObjectGraphicsInfo *graphicsInfo;
+    struct SpriteTemplate spriteTemplate;
+    const struct SubspriteTable *subspriteTables;
+    struct SpriteFrameImage spriteFrameImage;
+    u8 mapObjectId;
+
+    subspriteTables = NULL;
+    graphicsInfo = GetFieldObjectGraphicsInfo(mapObjectTemplate->graphicsId);
+    MakeObjectTemplateFromFieldObjectTemplate(mapObjectTemplate, &spriteTemplate, &subspriteTables);
+    spriteFrameImage.size = graphicsInfo->size;
+    spriteTemplate.images = &spriteFrameImage;
+    mapObjectId = SpawnFieldObjectInternal(mapObjectTemplate, &spriteTemplate, mapNum, mapGroup, cameraX, cameraY);
+    if (mapObjectId == NUM_FIELD_OBJECTS)
+    {
+        return NUM_FIELD_OBJECTS;
+    }
+    gSprites[gMapObjects[mapObjectId].spriteId].images = graphicsInfo->images;
+    if (subspriteTables != NULL)
+    {
+        SetSubspriteTables(&gSprites[gMapObjects[mapObjectId].spriteId], subspriteTables);
+    }
+    return mapObjectId;
+}
+
+u8 SpawnSpecialFieldObject(struct MapObjectTemplate *mapObjectTemplate)
+{
+    s16 cameraX;
+    s16 cameraY;
+
+    GetFieldObjectMovingCameraOffset(&cameraX, &cameraY);
+    return SpawnFieldObject(mapObjectTemplate, gSaveBlock1Ptr->location.mapNum, gSaveBlock1Ptr->location.mapGroup, cameraX, cameraY);
+}
+
+u8 SpawnSpecialFieldObjectParametrized(u8 graphicsId, u8 movementBehavior, u8 localId, s16 x, s16 y, u8 z)
+{
+    struct MapObjectTemplate mapObjectTemplate;
+
+    x -= 7;
+    y -= 7;
+    mapObjectTemplate.localId = localId;
+    mapObjectTemplate.graphicsId = graphicsId;
+    mapObjectTemplate.unk2 = 0;
+    mapObjectTemplate.x = x;
+    mapObjectTemplate.y = y;
+    mapObjectTemplate.elevation = z;
+    mapObjectTemplate.movementType = movementBehavior;
+    mapObjectTemplate.unkA_0 = 0;
+    mapObjectTemplate.unkA_4 = 0;
+    mapObjectTemplate.unkC = 0;
+    mapObjectTemplate.unkE = 0;
+    return SpawnSpecialFieldObject(&mapObjectTemplate);
+}
+
+u8 show_sprite(u8 localId, u8 mapNum, u8 mapGroup)
+{
+    struct MapObjectTemplate *mapObjectTemplate;
+    s16 cameraX;
+    s16 cameraY;
+
+    mapObjectTemplate = GetFieldObjectTemplateByLocalIdAndMap(localId, mapNum, mapGroup);
+    if (mapObjectTemplate == NULL)
+    {
+        return NUM_FIELD_OBJECTS;
+    }
+    GetFieldObjectMovingCameraOffset(&cameraX, &cameraY);
+    return SpawnFieldObject(mapObjectTemplate, mapNum, mapGroup, cameraX, cameraY);
+}
+
+static void MakeObjectTemplateFromFieldObjectGraphicsInfo(u16 graphicsId, void (*callback)(struct Sprite *), struct SpriteTemplate *sprTemplate, const struct SubspriteTable **subspriteTables)
+{
+    const struct MapObjectGraphicsInfo *gfxInfo = GetFieldObjectGraphicsInfo(graphicsId);
+
+    sprTemplate->tileTag = gfxInfo->tileTag;
+    sprTemplate->paletteTag = gfxInfo->paletteTag1;
+    sprTemplate->oam = gfxInfo->oam;
+    sprTemplate->anims = gfxInfo->anims;
+    sprTemplate->images = gfxInfo->images;
+    sprTemplate->affineAnims = gfxInfo->affineAnims;
+    sprTemplate->callback = callback;
+    *subspriteTables = gfxInfo->subspriteTables;
+}
+
+static void MakeObjectTemplateFromFieldObjectGraphicsInfoWithCallbackIndex(u16 graphicsId, u16 callbackIndex, struct SpriteTemplate *sprTemplate, const struct SubspriteTable **subspriteTables)
+{
+    MakeObjectTemplateFromFieldObjectGraphicsInfo(graphicsId, gUnknown_08505438[callbackIndex], sprTemplate, subspriteTables);
+}
+
+static void MakeObjectTemplateFromFieldObjectTemplate(struct MapObjectTemplate *mapObjectTemplate, struct SpriteTemplate *spriteTemplate, const struct SubspriteTable **subspriteTables)
+{
+    MakeObjectTemplateFromFieldObjectGraphicsInfoWithCallbackIndex(mapObjectTemplate->graphicsId, mapObjectTemplate->movementType, spriteTemplate, subspriteTables);
+}
+
+u8 AddPseudoFieldObject(u16 graphicsId, void (*callback)(struct Sprite *), s16 x, s16 y, u8 subpriority)
+{
+    struct SpriteTemplate *spriteTemplate;
+    const struct SubspriteTable *subspriteTables;
+    struct Sprite *sprite;
+    u8 spriteIdx;
+
+    spriteTemplate = malloc(sizeof(struct SpriteTemplate));
+    MakeObjectTemplateFromFieldObjectGraphicsInfo(graphicsId, callback, spriteTemplate, &subspriteTables);
+    if (spriteTemplate->paletteTag != 0xffff)
+    {
+        sub_808E894(spriteTemplate->paletteTag);
+    }
+    spriteIdx = CreateSprite(spriteTemplate, x, y, subpriority);
+    free(spriteTemplate);
+
+    if (spriteIdx != MAX_SPRITES && subspriteTables != NULL)
+    {
+        sprite = &gSprites[spriteIdx];
+        SetSubspriteTables(sprite, subspriteTables);
+        sprite->subspriteMode = 2;
+    }
+    return spriteIdx;
+}
+
+u8 sprite_new(u8 graphicsId, u8 a1, s16 x, s16 y, u8 z, u8 direction)
+{
+    const struct MapObjectGraphicsInfo *graphicsInfo;
+    struct SpriteTemplate spriteTemplate;
+    const struct SubspriteTable *subspriteTables;
+    u8 spriteId;
+    struct Sprite *sprite;
+
+    graphicsInfo = GetFieldObjectGraphicsInfo(graphicsId);
+    MakeObjectTemplateFromFieldObjectGraphicsInfo(graphicsId, sub_8097AC8, &spriteTemplate, &subspriteTables);
+    *(u16 *)&spriteTemplate.paletteTag = 0xffff;
+    x += 7;
+    y += 7;
+    sub_80930E0(&x, &y, 8, 16);
+    spriteId = CreateSpriteAtEnd(&spriteTemplate, x, y, 0);
+    if (spriteId != MAX_SPRITES)
+    {
+        sprite = &gSprites[spriteId];
+        sprite->centerToCornerVecX = -(graphicsInfo->width >> 1);
+        sprite->centerToCornerVecY = -(graphicsInfo->height >> 1);
+        sprite->pos1.y += sprite->centerToCornerVecY;
+        sprite->oam.paletteNum = graphicsInfo->paletteSlot;
+        if (sprite->oam.paletteNum >= 16)
+        {
+            sprite->oam.paletteNum -= 16;
+        }
+        sprite->coordOffsetEnabled = TRUE;
+        sprite->data0 = a1;
+        sprite->data1 = z;
+        if (graphicsInfo->paletteSlot == 10)
+        {
+            npc_load_two_palettes__and_record(graphicsInfo->paletteTag1, graphicsInfo->paletteSlot);
+        }
+        else if (graphicsInfo->paletteSlot >= 16)
+        {
+            sub_808EAB0(graphicsInfo->paletteTag1, graphicsInfo->paletteSlot | 0xf0);
+        }
+        if (subspriteTables != NULL)
+        {
+            SetSubspriteTables(sprite, subspriteTables);
+            sprite->subspriteMode = 2;
+        }
+        InitObjectPriorityByZCoord(sprite, z);
+        SetObjectSubpriorityByZCoord(z, sprite, 1);
+        StartSpriteAnim(sprite, FieldObjectDirectionToImageAnimId(direction));
+    }
+    return spriteId;
+}
+
+void SpawnFieldObjectsInView(s16 cameraX, s16 cameraY)
+{
+    u8 i;
+    s16 left;
+    s16 right;
+    s16 top;
+    s16 bottom;
+    u8 objectCount;
+    s16 npcX;
+    s16 npcY;
+
+    if (gMapHeader.events != NULL)
+    {
+        left = gSaveBlock1Ptr->pos.x - 2;
+        right = gSaveBlock1Ptr->pos.x + 17;
+        top = gSaveBlock1Ptr->pos.y;
+        bottom = gSaveBlock1Ptr->pos.y + 16;
+
+        if (InBattlePyramid())
+        {
+            objectCount = sub_81AAA40();
+        }
+        else if (InTrainerHill())
+        {
+            objectCount = 2;
+        }
+        else
+        {
+            objectCount = gMapHeader.events->mapObjectCount;
+        }
+
+        for (i = 0; i < objectCount; i++)
+        {
+            struct MapObjectTemplate *template = &gSaveBlock1Ptr->mapObjectTemplates[i];
+            npcX = template->x + 7;
+            npcY = template->y + 7;
+
+            if (top <= npcY && bottom >= npcY && left <= npcX && right >= npcX
+                && !FlagGet(template->flagId))
+                SpawnFieldObject(template, gSaveBlock1Ptr->location.mapNum, gSaveBlock1Ptr->location.mapGroup, cameraX, cameraY);
+        }
+    }
+}
+
+/*static*/ void RemoveFieldObjectsOutsideView(void)
+{
+    u8 i;
+    u8 j;
+    bool8 isActiveLinkPlayer;
+    struct MapObject *mapObject;
+
+    for (i = 0; i < NUM_FIELD_OBJECTS; i ++)
+    {
+        for (j = 0, isActiveLinkPlayer = FALSE; j < ARRAY_COUNT(gLinkPlayerMapObjects); j ++)
+        {
+            if (gLinkPlayerMapObjects[j].active && i == gLinkPlayerMapObjects[j].mapObjId)
+                isActiveLinkPlayer = TRUE;
+        }
+        if (!isActiveLinkPlayer)
+        {
+            mapObject = &gMapObjects[i];
+
+            if (mapObject->active && !mapObject->mapobj_bit_16)
+                RemoveFieldObjectIfOutsideView(mapObject);
+        }
+    }
+}
+
+static void RemoveFieldObjectIfOutsideView(struct MapObject *mapObject)
+{
+    s16 left;
+    s16 right;
+    s16 top;
+    s16 bottom;
+
+    left = gSaveBlock1Ptr->pos.x - 2;
+    right = gSaveBlock1Ptr->pos.x + 17;
+    top = gSaveBlock1Ptr->pos.y;
+    bottom = gSaveBlock1Ptr->pos.y + 16;
+
+    if (mapObject->coords2.x >= left && mapObject->coords2.x <= right
+        && mapObject->coords2.y >= top && mapObject->coords2.y <= bottom)
+        return;
+    if (mapObject->coords1.x >= left && mapObject->coords1.x <= right
+        && mapObject->coords1.y >= top && mapObject->coords1.y <= bottom)
+        return;
+    RemoveFieldObject(mapObject);
+}
+
+void sub_808E16C(s16 x, s16 y)
+{
+    u8 i;
+
+    ClearPlayerAvatarInfo();
+    for (i = 0; i < NUM_FIELD_OBJECTS; i ++)
+    {
+        if (gMapObjects[i].active)
+        {
+            sub_808E1B8(i, x, y);
+        }
+    }
+    sub_808D450();
+}
+
+static void sub_808E1B8(u8 mapObjectId, s16 x, s16 y)
+{
+    u8 spriteId;
+    u8 paletteSlot;
+    struct MapObject *mapObject;
+    const struct SubspriteTable *subspriteTables;
+    const struct MapObjectGraphicsInfo *graphicsInfo;
+    struct SpriteFrameImage spriteFrameImage;
+    struct SpriteTemplate spriteTemplate;
+    struct Sprite *sprite;
+
+#define i spriteId
+    for (i = 0; i < ARRAY_COUNT(gLinkPlayerMapObjects); i ++)
+    {
+        if (gLinkPlayerMapObjects[i].active && mapObjectId == gLinkPlayerMapObjects[i].mapObjId)
+        {
+            return;
+        }
+    }
+#undef i
+
+    mapObject = &gMapObjects[mapObjectId];
+    subspriteTables = NULL;
+    graphicsInfo = GetFieldObjectGraphicsInfo(mapObject->graphicsId);
+    spriteFrameImage.size = graphicsInfo->size;
+    MakeObjectTemplateFromFieldObjectGraphicsInfoWithCallbackIndex(mapObject->graphicsId, mapObject->animPattern, &spriteTemplate, &subspriteTables);
+    spriteTemplate.images = &spriteFrameImage;
+    *(u16 *)&spriteTemplate.paletteTag = 0xffff;
+    paletteSlot = graphicsInfo->paletteSlot;
+    if (paletteSlot == 0)
+    {
+        npc_load_two_palettes__no_record(graphicsInfo->paletteTag1, graphicsInfo->paletteSlot);
+    }
+    else if (paletteSlot == 10)
+    {
+        npc_load_two_palettes__and_record(graphicsInfo->paletteTag1, graphicsInfo->paletteSlot);
+    }
+    else if (paletteSlot >= 16)
+    {
+        paletteSlot -= 16;
+        sub_808EAB0(graphicsInfo->paletteTag1, paletteSlot);
+    }
+    *(u16 *)&spriteTemplate.paletteTag = 0xffff;
+    spriteId = CreateSprite(&spriteTemplate, 0, 0, 0);
+    if (spriteId != MAX_SPRITES)
+    {
+        sprite = &gSprites[spriteId];
+        sub_8092FF0(x + mapObject->coords2.x, y + mapObject->coords2.y, &sprite->pos1.x, &sprite->pos1.y);
+        sprite->centerToCornerVecX = -(graphicsInfo->width >> 1);
+        sprite->centerToCornerVecY = -(graphicsInfo->height >> 1);
+        sprite->pos1.x += 8;
+        sprite->pos1.y += 16 + sprite->centerToCornerVecY;
+        sprite->images = graphicsInfo->images;
+        if (mapObject->animPattern == 0x0b)
+        {
+            SetPlayerAvatarFieldObjectIdAndObjectId(mapObjectId, spriteId);
+            mapObject->mapobj_unk_1B = sub_8154228();
+        }
+        if (subspriteTables != NULL)
+        {
+            SetSubspriteTables(sprite, subspriteTables);
+        }
+        sprite->oam.paletteNum = paletteSlot;
+        sprite->coordOffsetEnabled = TRUE;
+        sprite->data0 = mapObjectId;
+        mapObject->spriteId = spriteId;
+        if (!mapObject->mapobj_bit_12 && mapObject->animPattern != 0x0b)
+        {
+            StartSpriteAnim(sprite, FieldObjectDirectionToImageAnimId(mapObject->mapobj_unk_18));
+        }
+        sub_808E38C(mapObject);
+        SetObjectSubpriorityByZCoord(mapObject->elevation, sprite, 1);
+    }
+}
+
+/*static*/ void sub_808E38C(struct MapObject *mapObject)
+{
+    mapObject->mapobj_bit_1 = FALSE;
+    mapObject->mapobj_bit_2 = TRUE;
+    mapObject->mapobj_bit_22 = FALSE;
+    mapObject->mapobj_bit_17 = FALSE;
+    mapObject->mapobj_bit_18 = FALSE;
+    mapObject->mapobj_bit_19 = FALSE;
+    mapObject->mapobj_bit_20 = FALSE;
+    mapObject->mapobj_bit_21 = FALSE;
+    FieldObjectClearAnim(mapObject);
+}
+
+static void SetPlayerAvatarFieldObjectIdAndObjectId(u8 mapObjectId, u8 spriteId)
+{
+    gPlayerAvatar.mapObjectId = mapObjectId;
+    gPlayerAvatar.spriteId = spriteId;
+    gPlayerAvatar.gender = GetPlayerAvatarGenderByGraphicsId(gMapObjects[mapObjectId].graphicsId);
+    SetPlayerAvatarExtraStateTransition(gMapObjects[mapObjectId].graphicsId, 0x20);
+}
+
+void FieldObjectSetGraphicsId(struct MapObject *mapObject, u8 graphicsId)
+{
+    const struct MapObjectGraphicsInfo *graphicsInfo;
+    struct Sprite *sprite;
+    u8 paletteSlot;
+
+    graphicsInfo = GetFieldObjectGraphicsInfo(graphicsId);
+    sprite = &gSprites[mapObject->spriteId];
+    paletteSlot = graphicsInfo->paletteSlot;
+    if (paletteSlot == 0)
+    {
+        pal_patch_for_npc(graphicsInfo->paletteTag1, graphicsInfo->paletteSlot);
+    }
+    else if (paletteSlot == 10)
+    {
+        npc_load_two_palettes__and_record(graphicsInfo->paletteTag1, graphicsInfo->paletteSlot);
+    }
+    else if (paletteSlot >= 16)
+    {
+        paletteSlot -= 16;
+        sub_808EAB0(graphicsInfo->paletteTag1, paletteSlot);
+    }
+    sprite->oam.shape = graphicsInfo->oam->shape;
+    sprite->oam.size = graphicsInfo->oam->size;
+    sprite->images = graphicsInfo->images;
+    sprite->anims = graphicsInfo->anims;
+    sprite->subspriteTables = graphicsInfo->subspriteTables;
+    sprite->oam.paletteNum = paletteSlot;
+    mapObject->mapobj_bit_12 = graphicsInfo->inanimate;
+    mapObject->graphicsId = graphicsId;
+    sub_8093038(mapObject->coords2.x, mapObject->coords2.y, &sprite->pos1.x, &sprite->pos1.y);
+    sprite->centerToCornerVecX = -(graphicsInfo->width >> 1);
+    sprite->centerToCornerVecY = -(graphicsInfo->height >> 1);
+    sprite->pos1.x += 8;
+    sprite->pos1.y += 16 + sprite->centerToCornerVecY;
+    if (mapObject->mapobj_bit_15)
+    {
+        CameraObjectReset1();
+    }
+}
+
+void FieldObjectSetGraphicsIdByLocalIdAndMap(u8 localId, u8 mapNum, u8 mapGroup, u8 graphicsId)
+{
+    u8 mapObjectId;
+
+    if (!TryGetFieldObjectIdByLocalIdAndMap(localId, mapNum, mapGroup, &mapObjectId))
+    {
+        FieldObjectSetGraphicsId(&gMapObjects[mapObjectId], graphicsId);
+    }
+}
+
+void FieldObjectTurn(struct MapObject *mapObject, u8 direction)
+{
+    FieldObjectSetDirection(mapObject, direction);
+    if (!mapObject->mapobj_bit_12)
+    {
+        StartSpriteAnim(&gSprites[mapObject->spriteId], FieldObjectDirectionToImageAnimId(mapObject->mapobj_unk_18));
+        SeekSpriteAnim(&gSprites[mapObject->spriteId], 0);
+    }
+}
+
+void FieldObjectTurnByLocalIdAndMap(u8 localId, u8 mapNum, u8 mapGroup, u8 direction)
+{
+    u8 mapObjectId;
+
+    if (!TryGetFieldObjectIdByLocalIdAndMap(localId, mapNum, mapGroup, &mapObjectId))
+    {
+        FieldObjectTurn(&gMapObjects[mapObjectId], direction);
+    }
+}
+
+void PlayerObjectTurn(struct PlayerAvatar *playerAvatar, u8 direction)
+{
+    FieldObjectTurn(&gMapObjects[playerAvatar->mapObjectId], direction);
+}
+
+/*static*/ void get_berry_tree_graphics(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    u8 berryStage;
+    u8 berryId;
+
+    mapObject->mapobj_bit_13 = TRUE;
+    sprite->invisible = TRUE;
+    berryStage = GetStageByBerryTreeId(mapObject->trainerRange_berryTreeId);
+    if (berryStage != 0)
+    {
+        mapObject->mapobj_bit_13 = FALSE;
+        sprite->invisible = FALSE;
+        berryId = GetBerryTypeByBerryTreeId(mapObject->trainerRange_berryTreeId) - 1;
+        berryStage -= 1;
+        if (berryId >= NUM_BERRIES)
+        {
+            berryId = 0;
+        }
+        FieldObjectSetGraphicsId(mapObject, gBerryTreeFieldObjectGraphicsIdTablePointers[berryId][berryStage]);
+        sprite->images = gBerryTreePicTablePointers[berryId];
+        sprite->oam.paletteNum = gBerryTreePaletteSlotTablePointers[berryId][berryStage];
+        StartSpriteAnim(sprite, berryStage);
+    }
+}
+
+const struct MapObjectGraphicsInfo *GetFieldObjectGraphicsInfo(u8 graphicsId)
+{
+    u8 bard;
+
+    if (graphicsId >= SPRITE_VAR)
+    {
+        graphicsId = VarGetFieldObjectGraphicsId(graphicsId - SPRITE_VAR);
+    }
+    if (graphicsId == 0x45)
+    {
+        bard = sub_81201C8();
+        return gMauvilleOldManGraphicsInfoPointers[bard];
+    }
+    if (graphicsId >= NUM_OBJECT_GRAPHICS_INFO)
+    {
+        graphicsId = 0x05; // LittleBoy1
+    }
+    return gFieldObjectGraphicsInfoPointers[graphicsId];
+}
+
+static void FieldObjectHandleDynamicGraphicsId(struct MapObject *mapObject)
+{
+    if (mapObject->graphicsId >= SPRITE_VAR)
+    {
+        mapObject->graphicsId = VarGetFieldObjectGraphicsId(mapObject->graphicsId - SPRITE_VAR);
+    }
+}
+
+void npc_by_local_id_and_map_set_field_1_bit_x20(u8 localId, u8 mapNum, u8 mapGroup, u8 state)
+{
+    u8 mapObjectId;
+
+    if (!TryGetFieldObjectIdByLocalIdAndMap(localId, mapNum, mapGroup, &mapObjectId))
+    {
+        gMapObjects[mapObjectId].mapobj_bit_13 = state;
+    }
+}
+
+void FieldObjectGetLocalIdAndMap(struct MapObject *mapObject, u8 *localId, u8 *mapNum, u8 *mapGroup)
+{
+    *localId = mapObject->localId;
+    *mapNum = mapObject->mapNum;
+    *mapGroup = mapObject->mapGroup;
+}
+
+void sub_808E75C(s16 x, s16 y)
+{
+    u8 mapObjectId;
+    struct MapObject *mapObject;
+
+    mapObjectId = GetFieldObjectIdByXY(x, y);
+    if (mapObjectId != NUM_FIELD_OBJECTS)
+    {
+        mapObject = &gMapObjects[mapObjectId];
+        mapObject->mapobj_bit_2 = TRUE;
+    }
+}
+
+void sub_808E78C(u8 localId, u8 mapNum, u8 mapGroup, u8 subpriority)
+{
+    u8 mapObjectId;
+    struct MapObject *mapObject;
+    struct Sprite *sprite;
+
+    if (!TryGetFieldObjectIdByLocalIdAndMap(localId, mapNum, mapGroup, &mapObjectId))
+    {
+        mapObject = &gMapObjects[mapObjectId];
+        sprite = &gSprites[mapObject->spriteId];
+        mapObject->mapobj_bit_26 = TRUE;
+        sprite->subpriority = subpriority;
+    }
+}
+
+void sub_808E7E4(u8 localId, u8 mapNum, u8 mapGroup)
+{
+    u8 mapObjectId;
+    struct MapObject *mapObject;
+
+    if (!TryGetFieldObjectIdByLocalIdAndMap(localId, mapNum, mapGroup, &mapObjectId))
+    {
+        mapObject = &gMapObjects[mapObjectId];
+        mapObject->mapobj_bit_26 = FALSE;
+        mapObject->mapobj_bit_2 = TRUE;
+    }
+}
+
+void sub_808E82C(u8 localId, u8 mapNum, u8 mapGroup, s16 x, s16 y)
+{
+    u8 mapObjectId;
+    struct Sprite *sprite;
+
+    if (!TryGetFieldObjectIdByLocalIdAndMap(localId, mapNum, mapGroup, &mapObjectId))
+    {
+        sprite = &gSprites[gMapObjects[mapObjectId].spriteId];
+        sprite->pos2.x = x;
+        sprite->pos2.y = y;
+    }
+}
+
+void gpu_pal_allocator_reset__manage_upper_four(void)
+{
+    FreeAllSpritePalettes();
+    gReservedSpritePaletteCount = 12;
+}
+
+static void sub_808E894(u16 paletteTag)
+{
+    u16 paletteSlot;
+
+    paletteSlot = FindFieldObjectPaletteIndexByTag(paletteTag);
+    if (paletteSlot != 0x11ff) // always true
+    {
+        sub_808E8F4(&gUnknown_0850BBC8[paletteSlot]);
+    }
+}
+
+void sub_808E8C0(u16 *paletteTags)
+{
+    u8 i;
+
+    for (i = 0; paletteTags[i] != 0x11ff; i ++)
+    {
+        sub_808E894(paletteTags[i]);
+    }
+}
+
+static u8 sub_808E8F4(const struct SpritePalette *spritePalette)
+{
+    if (IndexOfSpritePaletteTag(spritePalette->tag) != 0xff)
+    {
+        return 0xff;
+    }
+    return LoadSpritePalette(spritePalette);
+}
+
+void pal_patch_for_npc(u16 paletteTag, u8 paletteSlot)
+{
+    u16 paletteIdx;
+
+    paletteIdx = FindFieldObjectPaletteIndexByTag(paletteTag);
+    LoadPalette(gUnknown_0850BBC8[paletteIdx].data, 16 * paletteSlot + 256, 0x20);
+}
+
+void pal_patch_for_npc_range(const u16 *paletteTags, u8 minSlot, u8 maxSlot)
+{
+    while (minSlot < maxSlot)
+    {
+        pal_patch_for_npc(*paletteTags, minSlot);
+        paletteTags ++;
+        minSlot ++;
+    }
+}
+
+static u8 FindFieldObjectPaletteIndexByTag(u16 tag)
+{
+    u8 i;
+
+    for (i = 0; gUnknown_0850BBC8[i].tag != 0x11ff; i ++)
+    {
+        if (gUnknown_0850BBC8[i].tag == tag)
+        {
+            return i;
+        }
+    }
+    return 0xff;
+}
+
+void npc_load_two_palettes__no_record(u16 tag, u8 slot)
+{
+    u8 i;
+
+    pal_patch_for_npc(tag, slot);
+    for (i = 0; gUnknown_0850BD00[i].tag != 0x11ff; i ++)
+    {
+        if (gUnknown_0850BD00[i].tag == tag)
+        {
+            pal_patch_for_npc(gUnknown_0850BD00[i].data[gUnknown_020375B4], gUnknown_084975C4[slot]);
+            return;
+        }
+    }
+}
+
+void npc_load_two_palettes__and_record(u16 tag, u8 slot)
+{
+    u8 i;
+
+    gUnknown_020375B6 = tag;
+    pal_patch_for_npc(tag, slot);
+    for (i = 0; gUnknown_0850BD78[i].tag != 0x11ff; i ++)
+    {
+        if (gUnknown_0850BD78[i].tag == tag)
+        {
+            pal_patch_for_npc(gUnknown_0850BD78[i].data[gUnknown_020375B4], gUnknown_084975C4[slot]);
+            return;
+        }
+    }
+}
+
+static void sub_808EAB0(u16 tag, u8 slot)
+{
+    pal_patch_for_npc(tag, slot);
+}
+
+void unref_sub_808EAC4(struct MapObject *mapObject, s16 x, s16 y)
+{
+    mapObject->coords3.x = mapObject->coords2.x;
+    mapObject->coords3.y = mapObject->coords2.y;
+    mapObject->coords2.x += x;
+    mapObject->coords2.y += y;
+}
+
+void npc_coords_shift(struct MapObject *mapObject, s16 x, s16 y)
+{
+    mapObject->coords3.x = mapObject->coords2.x;
+    mapObject->coords3.y = mapObject->coords2.y;
+    mapObject->coords2.x = x;
+    mapObject->coords2.y = y;
+}
+
+/*static*/ void npc_coords_set(struct MapObject *mapObject, s16 x, s16 y)
+{
+    mapObject->coords3.x = x;
+    mapObject->coords3.y = y;
+    mapObject->coords2.x = x;
+    mapObject->coords2.y = y;
+}
+
+void sub_808EB08(struct MapObject *mapObject, s16 x, s16 y)
+{
+    struct Sprite *sprite;
+    const struct MapObjectGraphicsInfo *graphicsInfo;
+
+    sprite = &gSprites[mapObject->spriteId];
+    graphicsInfo = GetFieldObjectGraphicsInfo(mapObject->graphicsId);
+    npc_coords_set(mapObject, x, y);
+    sub_8093038(mapObject->coords2.x, mapObject->coords2.y, &sprite->pos1.x, &sprite->pos1.y);
+    sprite->centerToCornerVecX = -(graphicsInfo->width >> 1);
+    sprite->centerToCornerVecY = -(graphicsInfo->height >> 1);
+    sprite->pos1.x += 8;
+    sprite->pos1.y += 16 + sprite->centerToCornerVecY;
+    sub_808E38C(mapObject);
+    if (mapObject->mapobj_bit_15)
+    {
+        CameraObjectReset1();
+    }
+}
+
+void sub_808EBA8(u8 localId, u8 mapNum, u8 mapGroup, s16 x, s16 y)
+{
+    u8 mapObjectId;
+
+    if (!TryGetFieldObjectIdByLocalIdAndMap(localId, mapNum, mapGroup, &mapObjectId))
+    {
+        x += 7;
+        y += 7;
+        sub_808EB08(&gMapObjects[mapObjectId], x, y);
+    }
+}
+
+void npc_coords_shift_still(struct MapObject *mapObject)
+{
+    npc_coords_shift(mapObject, mapObject->coords2.x, mapObject->coords2.y);
+}
+
+void UpdateFieldObjectCoordsForCameraUpdate(void)
+{
+    u8 i;
+    s16 dx;
+    s16 dy;
+
+    if (gCamera.active)
+    {
+        dx = gCamera.x;
+        dy = gCamera.y;
+        for (i = 0; i < NUM_FIELD_OBJECTS; i ++)
+        {
+            if (gMapObjects[i].active)
+            {
+                gMapObjects[i].coords1.x -= dx;
+                gMapObjects[i].coords1.y -= dy;
+                gMapObjects[i].coords2.x -= dx;
+                gMapObjects[i].coords2.y -= dy;
+                gMapObjects[i].coords3.x -= dx;
+                gMapObjects[i].coords3.y -= dy;
+            }
+        }
+    }
+}
+
+u8 GetFieldObjectIdByXYZ(u16 x, u16 y, u8 z)
+{
+    u8 i;
+    for (i = 0; i < NUM_FIELD_OBJECTS; i ++)
+    {
+        if (gMapObjects[i].active)
+        {
+            if (gMapObjects[i].coords2.x == x && gMapObjects[i].coords2.y == y && FieldObjectDoesZCoordMatch(&gMapObjects[i], z))
+            {
+                return i;
+            }
+        }
+    }
+    return NUM_FIELD_OBJECTS;
+}
+
+static bool8 FieldObjectDoesZCoordMatch(struct MapObject *mapObject, u8 z)
+{
+    if (mapObject->mapobj_unk_0B_0 != 0 && z != 0 && mapObject->mapobj_unk_0B_0 != z)
+    {
+        return FALSE;
+    }
+    return TRUE;
+}
+
+void UpdateFieldObjectsForCameraUpdate(s16 x, s16 y)
+{
+    UpdateFieldObjectCoordsForCameraUpdate();
+    SpawnFieldObjectsInView(x, y);
+    RemoveFieldObjectsOutsideView();
+}
+
+u8 AddCameraObject(u8 linkedSpriteId)
+{
+    u8 spriteId;
+
+    spriteId = CreateSprite(&gUnknown_084975D4, 0, 0, 4);
+    gSprites[spriteId].invisible = TRUE;
+    gSprites[spriteId].data0 = linkedSpriteId;
+    return spriteId;
+}
+
+void ObjectCB_CameraObject(struct Sprite *sprite)
+{
+    void (*callbacks[ARRAY_COUNT(gUnknown_084975EC)])(struct Sprite *);
+
+    memcpy(callbacks, gUnknown_084975EC, sizeof gUnknown_084975EC);
+    callbacks[sprite->data1](sprite);
+}
+
+/*static*/ void CameraObject_0(struct Sprite *sprite)
+{
+    sprite->pos1.x = gSprites[sprite->data0].pos1.x;
+    sprite->pos1.y = gSprites[sprite->data0].pos1.y;
+    sprite->invisible = TRUE;
+    sprite->data1 = 1;
+    CameraObject_1(sprite);
+}
+
+/*static*/ void CameraObject_1(struct Sprite *sprite)
+{
+    s16 x;
+    s16 y;
+
+    y = gSprites[sprite->data0].pos1.y;
+    x = gSprites[sprite->data0].pos1.x;
+    sprite->data2 = x - sprite->pos1.x;
+    sprite->data3 = y - sprite->pos1.y;
+    sprite->pos1.x = x;
+    sprite->pos1.y = y;
+}
+
+/*static*/ void CameraObject_2(struct Sprite *sprite)
+{
+    sprite->pos1.x = gSprites[sprite->data0].pos1.x;
+    sprite->pos1.y = gSprites[sprite->data0].pos1.y;
+    sprite->data2 = 0;
+    sprite->data3 = 0;
+}
+
+static struct Sprite *FindCameraObject(void)
+{
+    u8 spriteId;
+
+    for (spriteId = 0; spriteId < MAX_SPRITES; spriteId ++)
+    {
+        if (gSprites[spriteId].inUse && gSprites[spriteId].callback == ObjectCB_CameraObject)
+        {
+            return &gSprites[spriteId];
+        }
+    }
+    return NULL;
+}
+
+void CameraObjectReset1(void)
+{
+    struct Sprite *cameraObject;
+
+    cameraObject = FindCameraObject();
+    if (cameraObject != NULL)
+    {
+        cameraObject->data1 = 0;
+        cameraObject->callback(cameraObject);
+    }
+}
+
+void CameraObjectSetFollowedObjectId(u8 objectId)
+{
+    struct Sprite *cameraObject;
+
+    cameraObject = FindCameraObject();
+    if (cameraObject != NULL)
+    {
+        cameraObject->data0 = objectId;
+        CameraObjectReset1();
+    }
+}
+
+u8 CameraObjectGetFollowedObjectId(void)
+{
+    struct Sprite *cameraObject;
+
+    cameraObject = FindCameraObject();
+    if (cameraObject == NULL)
+    {
+        return MAX_SPRITES;
+    }
+    return cameraObject->data0;
+}
+
+void CameraObjectReset2(void)
+{
+    FindCameraObject()->data1 = 2;
+}
+
+u8 CopySprite(struct Sprite *sprite, s16 x, s16 y, u8 subpriority)
+{
+    u8 i;
+
+    for (i = 0; i < MAX_SPRITES; i ++)
+    {
+        if (!gSprites[i].inUse)
+        {
+            gSprites[i] = *sprite;
+            gSprites[i].pos1.x = x;
+            gSprites[i].pos1.y = y;
+            gSprites[i].subpriority = subpriority;
+            break;
+        }
+    }
+    return i;
+}
+
+u8 obj_unfreeze(struct Sprite *sprite, s16 x, s16 y, u8 subpriority)
+{
+    s16 i;
+
+    for (i = MAX_SPRITES - 1; i > -1; i --)
+    {
+        if (!gSprites[i].inUse)
+        {
+            gSprites[i] = *sprite;
+            gSprites[i].pos1.x = x;
+            gSprites[i].pos1.y = y;
+            gSprites[i].subpriority = subpriority;
+            return i;
+        }
+    }
+    return MAX_SPRITES;
+}
+
+void FieldObjectSetDirection(struct MapObject *mapObject, u8 direction)
+{
+    s8 d2;
+    mapObject->mapobj_unk_20 = mapObject->mapobj_unk_18;
+    if (!mapObject->mapobj_bit_9)
+    {
+        d2 = direction;
+        mapObject->mapobj_unk_18 = d2;
+    }
+    mapObject->placeholder18 = direction;
+}
+
+static const u8 *GetFieldObjectScriptPointerByLocalIdAndMap(u8 localId, u8 mapNum, u8 mapGroup)
+{
+    return GetFieldObjectTemplateByLocalIdAndMap(localId, mapNum, mapGroup)->script;
+}
+
+const u8 *GetFieldObjectScriptPointerByFieldObjectId(u8 mapObjectId)
+{
+    return GetFieldObjectScriptPointerByLocalIdAndMap(gMapObjects[mapObjectId].localId, gMapObjects[mapObjectId].mapNum, gMapObjects[mapObjectId].mapGroup);
+}
+
+static u16 GetFieldObjectFlagIdByLocalIdAndMap(u8 localId, u8 mapNum, u8 mapGroup)
+{
+    return GetFieldObjectTemplateByLocalIdAndMap(localId, mapNum, mapGroup)->flagId;
+}
+
+u16 GetFieldObjectFlagIdByFieldObjectId(u8 mapObjectId)
+{
+    return GetFieldObjectFlagIdByLocalIdAndMap(gMapObjects[mapObjectId].localId, gMapObjects[mapObjectId].mapNum, gMapObjects[mapObjectId].mapGroup);
+}
+
+u8 sub_808F080(u8 localId, u8 mapNum, u8 mapGroup)
+{
+    u8 mapObjectId;
+
+    if (TryGetFieldObjectIdByLocalIdAndMap(localId, mapNum, mapGroup, &mapObjectId))
+    {
+        return 0xFF;
+    }
+    return gMapObjects[mapObjectId].trainerType;
+}
+
+u8 sub_808F0BC(u8 mapObjectId)
+{
+    return gMapObjects[mapObjectId].trainerType;
+}
+
+u8 sub_808F0D4(u8 localId, u8 mapNum, u8 mapGroup)
+{
+    u8 mapObjectId;
+
+    if (TryGetFieldObjectIdByLocalIdAndMap(localId, mapNum, mapGroup, &mapObjectId))
+    {
+        return 0xFF;
+    }
+    return gMapObjects[mapObjectId].trainerRange_berryTreeId;
+}
+
+u8 FieldObjectGetBerryTreeId(u8 mapObjectId)
+{
+    return gMapObjects[mapObjectId].trainerRange_berryTreeId;
+}
+
+struct MapObjectTemplate *GetFieldObjectTemplateByLocalIdAndMap(u8 localId, u8 mapNum, u8 mapGroup)
+{
+    struct MapObjectTemplate *templates;
+    const struct MapHeader *mapHeader;
+    u8 count;
+
+    if (gSaveBlock1Ptr->location.mapNum == mapNum && gSaveBlock1Ptr->location.mapGroup == mapGroup)
+    {
+        templates = gSaveBlock1Ptr->mapObjectTemplates;
+        count = gMapHeader.events->mapObjectCount;
+    }
+    else
+    {
+        mapHeader = get_mapheader_by_bank_and_number(mapGroup, mapNum);
+        templates = mapHeader->events->mapObjects;
+        count = mapHeader->events->mapObjectCount;
+    }
+    return FindFieldObjectTemplateInArrayByLocalId(localId, templates, count);
+}
+
+struct MapObjectTemplate *FindFieldObjectTemplateInArrayByLocalId(u8 localId, struct MapObjectTemplate *templates, u8 count)
+{
+    u8 i;
+
+    for (i = 0; i < count; i ++)
+    {
+        if (templates[i].localId == localId)
+        {
+            return &templates[i];
+        }
+    }
+    return NULL;
+}
+
+struct MapObjectTemplate *sub_808F1B4(const struct MapObject *mapObject)
+{
+    int i;
+
+    if (mapObject->mapNum != gSaveBlock1Ptr->location.mapNum || mapObject->mapGroup != gSaveBlock1Ptr->location.mapGroup)
+    {
+        return NULL;
+    }
+    for (i = 0; i < 64; i ++) // Using ARRAY_COUNT here results in the wrong conditional branch instruction (bls instead of ble)
+    {
+        if (mapObject->localId == gSaveBlock1Ptr->mapObjectTemplates[i].localId)
+        {
+            return &gSaveBlock1Ptr->mapObjectTemplates[i];
+        }
+    }
+    return NULL;
+}
+
+void sub_808F208(const struct MapObject *mapObject)
+{
+    struct MapObjectTemplate *mapObjectTemplate;
+
+    mapObjectTemplate = sub_808F1B4(mapObject);
+    if (mapObjectTemplate != NULL)
+    {
+        mapObjectTemplate->x = mapObject->coords2.x - 7;
+        mapObjectTemplate->y = mapObject->coords2.y - 7;
+    }
+}
+
+void sub_808F228(const struct MapObject *mapObject, const u8 *script)
+{
+    struct MapObjectTemplate *mapObjectTemplate;
+
+    mapObjectTemplate = sub_808F1B4(mapObject);
+    if (mapObjectTemplate != NULL)
+    {
+        mapObjectTemplate->script = script;
+    }
+}
+
+void sub_808F23C(const struct MapObject *mapObject, u8 movementType)
+{
+    struct MapObjectTemplate *mapObjectTemplate;
+
+    mapObjectTemplate = sub_808F1B4(mapObject);
+    if (mapObjectTemplate != NULL)
+    {
+        mapObjectTemplate->movementType = movementType;
+    }
+}
+
+void sub_808F254(u8 localId, u8 mapNum, u8 mapGroup)
+{
+    u8 mapObjectId;
+
+    if (!TryGetFieldObjectIdByLocalIdAndMap(localId, mapNum, mapGroup, &mapObjectId))
+    {
+        sub_808F208(&gMapObjects[mapObjectId]);
+    }
+}
+
+void sub_808F28C(u8 localId, u8 mapNum, u8 mapGroup, u8 action)
+{
+    u8 mapObjectId;
+
+    if (!TryGetFieldObjectIdByLocalIdAndMap(localId, mapNum, mapGroup, &mapObjectId))
+    {
+        switch (action)
+        {
+            case 6:
+                sub_808F228(&gMapObjects[mapObjectId], gUnknown_082766A2);
+                break;
+            case 7:
+                sub_808F228(&gMapObjects[mapObjectId], gUnknown_082766A6);
+                break;
+        }
+    }
+}
+
+void npc_paltag_set_load(u8 palSlot)
+{
+    gpu_pal_allocator_reset__manage_upper_four();
+    gUnknown_020375B6 = 0x11ff;
+    gUnknown_020375B4 = palSlot;
+    if (palSlot == 1)
+    {
+        pal_patch_for_npc_range(gUnknown_0850BE38[gUnknown_020375B4], 0, 6);
+        gReservedSpritePaletteCount = 8;
+    }
+    else
+    {
+        pal_patch_for_npc_range(gUnknown_0850BE38[gUnknown_020375B4], 0, 10);
+    }
+}
+
+u16 npc_paltag_by_palslot(u8 palSlot)
+{
+    u8 i;
+
+    if (palSlot < 10)
+    {
+        return gUnknown_0850BE38[gUnknown_020375B4][palSlot];
+    }
+    for (i = 0; gUnknown_0850BD78[i].tag != 0x11ff; i ++)
+    {
+        if (gUnknown_0850BD78[i].tag == gUnknown_020375B6)
+        {
+            return gUnknown_0850BD78[i].data[gUnknown_020375B4];
+        }
+    }
+    return 0x11ff;
+}
+
+// Map Object Step Callbacks
+// file boundary?
+
+null_object_step(NoMovement1, FALSE)
+
+field_object_step(GoRandomDirections, gUnknown_0850D6F4)
+
+bool8 sub_808F44C(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    npc_reset(mapObject, sprite);
+    sprite->data1 = 1;
+    return TRUE;
+}
+
+bool8 sub_808F460(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    FieldObjectSetRegularAnim(mapObject, sprite, GetFaceDirectionAnimId(mapObject->mapobj_unk_18));
+    sprite->data1 = 2;
+    return TRUE;
+}
+
+bool8 sub_808F48C(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (!FieldObjectExecRegularAnim(mapObject, sprite))
+    {
+        return FALSE;
+    }
+    SetFieldObjectStepTimer(sprite, gUnknown_0850D6DC[Random() & 0x03]);
+    sprite->data1 = 3;
+    return TRUE;
+}
+
+bool8 sub_808F4C8(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (RunFieldObjectStepTimer(sprite))
+    {
+        sprite->data1 = 4;
+        return TRUE;
+    }
+    return FALSE;
+}
+
+bool8 sub_808F4E8(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    u8 directions[4];
+    u8 chosenDirection;
+
+    memcpy(directions, gUnknown_0850D710, sizeof directions);
+    chosenDirection = directions[Random() & 0x03];
+    FieldObjectSetDirection(mapObject, chosenDirection);
+    sprite->data1 = 5;
+    if (npc_block_way__next_tile(mapObject, chosenDirection))
+    {
+        sprite->data1 = 1;
+    }
+    return TRUE;
+}
+
+bool8 sub_808F534(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    FieldObjectSetRegularAnim(mapObject, sprite, GetGoSpeed0AnimId(mapObject->placeholder18));
+    mapObject->mapobj_bit_1 = TRUE;
+    sprite->data1 = 6;
+    return TRUE;
+}
+
+bool8 sub_808F564(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (FieldObjectExecRegularAnim(mapObject, sprite))
+    {
+        mapObject->mapobj_bit_1 = FALSE;
+        sprite->data1 = 1;
+    }
+    return FALSE;
+}
+
+bool8 FieldObjectIsTrainerAndCloseToPlayer(struct MapObject *mapObject)
+{
+    s16 playerX;
+    s16 playerY;
+    s16 objX;
+    s16 objY;
+    s16 minX;
+    s16 maxX;
+    s16 minY;
+    s16 maxY;
+
+    if (!TestPlayerAvatarFlags(0x80))
+    {
+        return FALSE;
+    }
+    if (mapObject->trainerType != 1 && mapObject->trainerType != 3)
+    {
+        return FALSE;
+    }
+    PlayerGetDestCoords(&playerX, &playerY);
+    objX = mapObject->coords2.x;
+    objY = mapObject->coords2.y;
+    minX = objX - mapObject->trainerRange_berryTreeId;
+    minY = objY - mapObject->trainerRange_berryTreeId;
+    maxX = objX + mapObject->trainerRange_berryTreeId;
+    maxY = objY + mapObject->trainerRange_berryTreeId;
+    if (minX > playerX || maxX < playerX || minY > playerY || maxY < playerY)
+    {
+        return FALSE;
+    }
+    return TRUE;
+}
+
+u8 GetRegularRunningPastFacingDirection(s16 dx, s16 dy, s16 absdx, s16 absdy)
+{
+    u8 direction;
+
+    if (absdx > absdy)
+    {
+        direction = DIR_EAST;
+        if (dx < 0)
+        {
+            direction = DIR_WEST;
+        }
+    }
+    else
+    {
+        direction = DIR_SOUTH;
+        if (dy < 0)
+        {
+            direction = DIR_NORTH;
+        }
+    }
+    return direction;
+}
+
+u8 GetNorthSouthRunningPastFacingDirection(s16 dx, s16 dy, s16 absdx, s16 absdy)
+{
+    u8 direction;
+
+    direction = DIR_SOUTH;
+    if (dy < 0)
+    {
+        direction = DIR_NORTH;
+    }
+    return direction;
+}
+
+u8 GetEastWestRunningPastFacingDirection(s16 dx, s16 dy, s16 absdx, s16 absdy)
+{
+    u8 direction;
+
+    direction = DIR_EAST;
+    if (dx < 0)
+    {
+        direction = DIR_WEST;
+    }
+    return direction;
+}
+
+u8 GetNorthEastRunningPastFacingDirection(s16 dx, s16 dy, s16 absdx, s16 absdy)
+{
+    u8 direction;
+
+    direction = GetRegularRunningPastFacingDirection(dx, dy, absdx, absdy);
+    if (direction == DIR_SOUTH)
+    {
+        direction = GetEastWestRunningPastFacingDirection(dx, dy, absdx, absdy);
+        if (direction == DIR_EAST)
+        {
+            direction = DIR_NORTH;
+        }
+    }
+    else if (direction == DIR_EAST)
+    {
+        direction = GetNorthSouthRunningPastFacingDirection(dx, dy, absdx, absdy);
+        if (direction == DIR_SOUTH)
+        {
+            direction = DIR_NORTH;
+        }
+    }
+    return direction;
+}
+
+u8 GetNorthWestRunningPastFacingDirection(s16 dx, s16 dy, s16 absdx, s16 absdy)
+{
+    u8 direction;
+
+    direction = GetRegularRunningPastFacingDirection(dx, dy, absdx, absdy);
+    if (direction == DIR_SOUTH)
+    {
+        direction = GetEastWestRunningPastFacingDirection(dx, dy, absdx, absdy);
+        if (direction == DIR_WEST)
+        {
+            direction = DIR_NORTH;
+        }
+    }
+    else if (direction == DIR_WEST)
+    {
+        direction = GetNorthSouthRunningPastFacingDirection(dx, dy, absdx, absdy);
+        if (direction == DIR_SOUTH)
+        {
+            direction = DIR_NORTH;
+        }
+    }
+    return direction;
+}
+
+u8 GetSouthEastRunningPastFacingDirection(s16 dx, s16 dy, s16 absdx, s16 absdy)
+{
+    u8 direction;
+
+    direction = GetRegularRunningPastFacingDirection(dx, dy, absdx, absdy);
+    if (direction == DIR_NORTH)
+    {
+        direction = GetEastWestRunningPastFacingDirection(dx, dy, absdx, absdy);
+        if (direction == DIR_EAST)
+        {
+            direction = DIR_SOUTH;
+        }
+    }
+    else if (direction == DIR_EAST)
+    {
+        direction = GetNorthSouthRunningPastFacingDirection(dx, dy, absdx, absdy);
+        if (direction == DIR_NORTH)
+        {
+            direction = DIR_SOUTH;
+        }
+    }
+    return direction;
+}
+
+u8 GetSouthWestRunningPastFacingDirection(s16 dx, s16 dy, s16 absdx, s16 absdy)
+{
+    u8 direction;
+
+    direction = GetRegularRunningPastFacingDirection(dx, dy, absdx, absdy);
+    if (direction == DIR_NORTH)
+    {
+        direction = GetEastWestRunningPastFacingDirection(dx, dy, absdx, absdy);
+        if (direction == DIR_WEST)
+        {
+            direction = DIR_SOUTH;
+        }
+    }
+    else if (direction == DIR_WEST)
+    {
+        direction = GetNorthSouthRunningPastFacingDirection(dx, dy, absdx, absdy);
+        if (direction == DIR_NORTH)
+        {
+            direction = DIR_SOUTH;
+        }
+    }
+    return direction;
+}
+
+u8 GetNonEastRunningPastFacingDirection(s16 dx, s16 dy, s16 absdx, s16 absdy)
+{
+    u8 direction;
+
+    direction = GetRegularRunningPastFacingDirection(dx, dy, absdx, absdy);
+    if (direction == DIR_EAST)
+    {
+        direction = GetNorthSouthRunningPastFacingDirection(dx, dy, absdx, absdy);
+    }
+    return direction;
+}
+
+u8 GetNonWestRunningPastFacingDirection(s16 dx, s16 dy, s16 absdx, s16 absdy)
+{
+    u8 direction;
+
+    direction = GetRegularRunningPastFacingDirection(dx, dy, absdx, absdy);
+    if (direction == DIR_WEST)
+    {
+        direction = GetNorthSouthRunningPastFacingDirection(dx, dy, absdx, absdy);
+    }
+    return direction;
+}
+
+u8 GetNonSouthRunningPastFacingDirection(s16 dx, s16 dy, s16 absdx, s16 absdy)
+{
+    u8 direction;
+
+    direction = GetRegularRunningPastFacingDirection(dx, dy, absdx, absdy);
+    if (direction == DIR_SOUTH)
+    {
+        direction = GetEastWestRunningPastFacingDirection(dx, dy, absdx, absdy);
+    }
+    return direction;
+}
+
+u8 GetNonNorthRunningPastFacingDirection(s16 dx, s16 dy, s16 absdx, s16 absdy)
+{
+    u8 direction;
+
+    direction = GetRegularRunningPastFacingDirection(dx, dy, absdx, absdy);
+    if (direction == DIR_NORTH)
+    {
+        direction = GetEastWestRunningPastFacingDirection(dx, dy, absdx, absdy);
+    }
+    return direction;
+}
+
+u8 GetRunningPastFacingDirection(struct MapObject *mapObject, u8 movementType)
+{
+    s16 dx;
+    s16 dy;
+    s16 absdx;
+    s16 absdy;
+
+    if (!FieldObjectIsTrainerAndCloseToPlayer(mapObject))
+    {
+        return 0;
+    }
+    PlayerGetDestCoords(&dx, &dy);
+    dx -= mapObject->coords2.x;
+    dy -= mapObject->coords2.y;
+    absdx = dx;
+    absdy = dy;
+    if (absdx < 0)
+    {
+        absdx = -absdx;
+    }
+    if (absdy < 0)
+    {
+        absdy = -absdy;
+    }
+    return gUnknown_0850D714[movementType](dx, dy, absdx, absdy);
+}
+
+field_object_step(LookRandomDirections, gUnknown_0850D740)
+
+bool8 sub_808F988(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    npc_reset(mapObject, sprite);
+    sprite->data1 = 1;
+    return TRUE;
+}
+
+bool8 sub_808F99C(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    FieldObjectSetRegularAnim(mapObject, sprite, GetFaceDirectionAnimId(mapObject->mapobj_unk_18));
+    sprite->data1 = 2;
+    return TRUE;
+}
+
+bool8 sub_808F9C8(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (FieldObjectExecRegularAnim(mapObject, sprite))
+    {
+        SetFieldObjectStepTimer(sprite, gUnknown_0850D6DC[Random() & 0x03]);
+        mapObject->mapobj_bit_1 = FALSE;
+        sprite->data1 = 3;
+    }
+    return FALSE;
+}
+
+bool8 sub_808FA0C(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (RunFieldObjectStepTimer(sprite) || FieldObjectIsTrainerAndCloseToPlayer(mapObject))
+    {
+        sprite->data1 = 4;
+        return TRUE;
+    }
+    return FALSE;
+}
+
+bool8 sub_808FA3C(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    u8 directions[4];
+    u8 direction;
+
+    memcpy(directions, gUnknown_0850D710, sizeof directions);
+    direction = GetRunningPastFacingDirection(mapObject, RUNFOLLOW_ANY);
+    if (direction == 0)
+    {
+        direction = directions[Random() & 0x03];
+    }
+    FieldObjectSetDirection(mapObject, direction);
+    sprite->data1 = 1;
+    return TRUE;
+}
+
+field_object_step(RandomlyGoNorthOrSouth, gUnknown_0850D754)
+
+bool8 sub_808FAC8(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    npc_reset(mapObject, sprite);
+    sprite->data1 = 1;
+    return TRUE;
+}
+
+bool8 sub_808FADC(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    FieldObjectSetRegularAnim(mapObject, sprite, GetFaceDirectionAnimId(mapObject->mapobj_unk_18));
+    sprite->data1 = 2;
+    return TRUE;
+}
+
+bool8 sub_808FB08(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (!FieldObjectExecRegularAnim(mapObject, sprite))
+    {
+        return FALSE;
+    }
+    SetFieldObjectStepTimer(sprite, gUnknown_0850D6DC[Random() & 0x03]);
+    sprite->data1 = 3;
+    return TRUE;
+}
+
+bool8 sub_808FB44(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (RunFieldObjectStepTimer(sprite))
+    {
+        sprite->data1 = 4;
+        return TRUE;
+    }
+    return FALSE;
+}
+
+bool8 sub_808FB64(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    u8 directions[2];
+    u8 direction;
+
+    memcpy(directions, gUnknown_0850D770, sizeof directions);
+    direction = directions[Random() & 0x01];
+    FieldObjectSetDirection(mapObject, direction);
+    sprite->data1 = 5;
+    if (npc_block_way__next_tile(mapObject, direction))
+    {
+        sprite->data1 = 1;
+    }
+    return TRUE;
+}
+
+bool8 sub_808FBB0(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    FieldObjectSetRegularAnim(mapObject, sprite, GetGoSpeed0AnimId(mapObject->placeholder18));
+    mapObject->mapobj_bit_1 = TRUE;
+    sprite->data1 = 6;
+    return TRUE;
+}
+
+bool8 sub_808FBE0(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (FieldObjectExecRegularAnim(mapObject, sprite))
+    {
+        mapObject->mapobj_bit_1 = FALSE;
+        sprite->data1 = 1;
+    }
+    return FALSE;
+}
+
+field_object_step(RandomlyGoEastOrWest, gUnknown_0850D774)
+
+bool8 sub_808FC4C(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    npc_reset(mapObject, sprite);
+    sprite->data1 = 1;
+    return TRUE;
+}
+
+bool8 sub_808FC60(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    FieldObjectSetRegularAnim(mapObject, sprite, GetFaceDirectionAnimId(mapObject->mapobj_unk_18));
+    sprite->data1 = 2;
+    return TRUE;
+}
+
+bool8 sub_808FC8C(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (!FieldObjectExecRegularAnim(mapObject, sprite))
+    {
+        return FALSE;
+    }
+    SetFieldObjectStepTimer(sprite, gUnknown_0850D6DC[Random() & 0x03]);
+    sprite->data1 = 3;
+    return TRUE;
+}
+
+bool8 sub_808FCC8(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (RunFieldObjectStepTimer(sprite))
+    {
+        sprite->data1 = 4;
+        return TRUE;
+    }
+    return FALSE;
+}
+
+bool8 sub_808FCE8(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    u8 directions[2];
+    u8 direction;
+
+    memcpy(directions, gUnknown_0850D790, sizeof directions);
+    direction = directions[Random() & 0x01];
+    FieldObjectSetDirection(mapObject, direction);
+    sprite->data1 = 5;
+    if (npc_block_way__next_tile(mapObject, direction))
+    {
+        sprite->data1 = 1;
+    }
+    return TRUE;
+}
+
+bool8 sub_808FD34(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    FieldObjectSetRegularAnim(mapObject, sprite, GetGoSpeed0AnimId(mapObject->placeholder18));
+    mapObject->mapobj_bit_1 = TRUE;
+    sprite->data1 = 6;
+    return TRUE;
+}
+
+bool8 sub_808FD64(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (FieldObjectExecRegularAnim(mapObject, sprite))
+    {
+        mapObject->mapobj_bit_1 = FALSE;
+        sprite->data1 = 1;
+    }
+    return FALSE;
+}
+
+field_object_step(FaceFixedDirection, gUnknown_0850D794)
+
+bool8 sub_808FDD0(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    npc_reset(mapObject, sprite);
+    FieldObjectSetRegularAnim(mapObject, sprite, GetFaceDirectionAnimId(mapObject->mapobj_unk_18));
+    sprite->data1 = 1;
+    return TRUE;
+}
+
+bool8 sub_808FDFC(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (FieldObjectExecRegularAnim(mapObject, sprite))
+    {
+        sprite->data1 = 2;
+        return TRUE;
+    }
+    return FALSE;
+}
+
+bool8 sub_808FE1C(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    mapObject->mapobj_bit_1 = FALSE;
+    return FALSE;
+}
+
+static bool8 FieldObjectCB2_BerryTree(struct MapObject *mapObject, struct Sprite *sprite);
+extern bool8 (*const gUnknown_0850D7A0[])(struct MapObject *mapObject, struct Sprite *sprite);
+void FieldObjectCB_BerryTree(struct Sprite *sprite)
+{
+    struct MapObject *mapObject;
+
+    mapObject = &gMapObjects[sprite->data0];
+    if (!(sprite->data7 & 0x0001))
+    {
+        get_berry_tree_graphics(mapObject, sprite);
+        sprite->data7 |= 0x0001;
+    }
+    FieldObjectStep(mapObject, sprite, FieldObjectCB2_BerryTree);
+}
+static bool8 FieldObjectCB2_BerryTree(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    return gUnknown_0850D7A0[sprite->data1](mapObject, sprite);
+}
+
+bool8 do_berry_tree_growth_sparkle_1 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    u8 berryStage;
+
+    npc_reset(mapObject, sprite);
+    mapObject->mapobj_bit_13 = TRUE;
+    sprite->invisible = TRUE;
+    berryStage = GetStageByBerryTreeId(mapObject->trainerRange_berryTreeId);
+    if (berryStage == 0)
+    {
+        if (!(sprite->data7 & 0x0004) && sprite->animNum == 4)
+        {
+            gFieldEffectSpawnParams[0] = mapObject->coords2.x;
+            gFieldEffectSpawnParams[1] = mapObject->coords2.y;
+            gFieldEffectSpawnParams[2] = sprite->subpriority - 1;
+            gFieldEffectSpawnParams[3] = sprite->oam.priority;
+            FieldEffectStart(FLDEFF_BERRY_TREE_GROWTH_SPARKLE);
+            sprite->animNum = berryStage;
+        }
+        return FALSE;
+    }
+    mapObject->mapobj_bit_13 = FALSE;
+    sprite->invisible = FALSE;
+    berryStage --;
+    if (sprite->animNum != berryStage)
+    {
+        sprite->data1 = 2;
+        return TRUE;
+    }
+    get_berry_tree_graphics(mapObject, sprite);
+    FieldObjectSetRegularAnim(mapObject, sprite, 0x39);
+    sprite->data1 = 1;
+    return TRUE;
+}
+
+bool8 sub_808FF48 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (FieldObjectExecRegularAnim(mapObject, sprite))
+    {
+        sprite->data1 = 0;
+        return TRUE;
+    }
+    return FALSE;
+}
+
+bool8 do_berry_tree_growth_sparkle_2 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    mapObject->mapobj_bit_1 = TRUE;
+    sprite->data1 = 3;
+    sprite->data2 = 0;
+    sprite->data7 |= 0x0002;
+    gFieldEffectSpawnParams[0] = mapObject->coords2.x;
+    gFieldEffectSpawnParams[1] = mapObject->coords2.y;
+    gFieldEffectSpawnParams[2] = sprite->subpriority - 1;
+    gFieldEffectSpawnParams[3] = sprite->oam.priority;
+    FieldEffectStart(FLDEFF_BERRY_TREE_GROWTH_SPARKLE);
+    return TRUE;
+}
+
+bool8 sub_808FFB4 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    sprite->data2 ++;
+    mapObject->mapobj_bit_13 = (sprite->data2 & 0x02) >> 1;
+    sprite->animPaused = TRUE;
+    if (sprite->data2 > 64)
+    {
+        get_berry_tree_graphics(mapObject, sprite);
+        sprite->data1 = 4;
+        sprite->data2 = 0;
+        return TRUE;
+    }
+    return FALSE;
+}
+
+bool8 sub_8090004 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    sprite->data2 ++;
+    mapObject->mapobj_bit_13 = (sprite->data2 & 0x02) >> 1;
+    sprite->animPaused = TRUE;
+    if (sprite->data2 > 64)
+    {
+        sprite->data1 = 0;
+        sprite->data7 &= ~0x0002;
+        return TRUE;
+    }
+    return FALSE;
+}
+
+field_object_step(RandomlyLookNorthOrSouth, gUnknown_0850D7B4)
+
+bool8 sub_8090094 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    npc_reset(mapObject, sprite);
+    sprite->data1 = 1;
+    return TRUE;
+}
+
+bool8 sub_80900A8 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    FieldObjectSetRegularAnim(mapObject, sprite, GetFaceDirectionAnimId(mapObject->mapobj_unk_18));
+    sprite->data1 = 2;
+    return TRUE;
+}
+
+bool8 sub_80900D4 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (FieldObjectExecRegularAnim(mapObject, sprite))
+    {
+        SetFieldObjectStepTimer(sprite, gUnknown_0850D6DC[Random() & 0x03]);
+        mapObject->mapobj_bit_1 = FALSE;
+        sprite->data1 = 3;
+    }
+    return FALSE;
+}
+
+bool8 sub_8090118 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (RunFieldObjectStepTimer(sprite) || FieldObjectIsTrainerAndCloseToPlayer(mapObject))
+    {
+        sprite->data1 = 4;
+        return TRUE;
+    }
+    return FALSE;
+}
+
+bool8 sub_8090148 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    u8 directions[2];
+    u8 direction;
+
+    memcpy(directions, gUnknown_0850D770, sizeof gUnknown_0850D770);
+    direction = GetRunningPastFacingDirection(mapObject, RUNFOLLOW_NORTH_SOUTH);
+    if (direction == 0)
+    {
+        direction = directions[Random() & 0x01];
+    }
+    FieldObjectSetDirection(mapObject, direction);
+    sprite->data1 = 1;
+    return TRUE;
+}
+
+field_object_step(RandomlyLookEastOrWest, gUnknown_0850D7C8)
+
+bool8 sub_80901D4 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    npc_reset(mapObject, sprite);
+    sprite->data1 = 1;
+    return TRUE;
+}
+
+bool8 sub_80901E8 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    FieldObjectSetRegularAnim(mapObject, sprite, GetFaceDirectionAnimId(mapObject->mapobj_unk_18));
+    sprite->data1 = 2;
+    return TRUE;
+}
+
+bool8 sub_8090214 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (FieldObjectExecRegularAnim(mapObject, sprite))
+    {
+        SetFieldObjectStepTimer(sprite, gUnknown_0850D6DC[Random() & 0x03]);
+        mapObject->mapobj_bit_1 = FALSE;
+        sprite->data1 = 3;
+    }
+    return FALSE;
+}
+
+bool8 sub_8090258 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (RunFieldObjectStepTimer(sprite) || FieldObjectIsTrainerAndCloseToPlayer(mapObject))
+    {
+        sprite->data1 = 4;
+        return TRUE;
+    }
+    return FALSE;
+}
+
+bool8 sub_8090288 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    u8 directions[2];
+    u8 direction;
+
+    memcpy(directions, gUnknown_0850D790, sizeof gUnknown_0850D790);
+    direction = GetRunningPastFacingDirection(mapObject, RUNFOLLOW_EAST_WEST);
+    if (direction == 0)
+    {
+        direction = directions[Random() & 0x01];
+    }
+    FieldObjectSetDirection(mapObject, direction);
+    sprite->data1 = 1;
+    return TRUE;
+}
+
+field_object_step(RandomlyLookNorthOrWest, gUnknown_0850D7DC)
+
+bool8 sub_8090314 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    npc_reset(mapObject, sprite);
+    sprite->data1 = 1;
+    return TRUE;
+}
+
+bool8 sub_8090328 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    FieldObjectSetRegularAnim(mapObject, sprite, GetFaceDirectionAnimId(mapObject->mapobj_unk_18));
+    sprite->data1 = 2;
+    return TRUE;
+}
+
+bool8 sub_8090354 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (FieldObjectExecRegularAnim(mapObject, sprite))
+    {
+        SetFieldObjectStepTimer(sprite, gUnknown_0850D6EC[Random() & 0x03]);
+        mapObject->mapobj_bit_1 = FALSE;
+        sprite->data1 = 3;
+    }
+    return FALSE;
+}
+
+bool8 sub_8090398 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (RunFieldObjectStepTimer(sprite) || FieldObjectIsTrainerAndCloseToPlayer(mapObject))
+    {
+        sprite->data1 = 4;
+        return TRUE;
+    }
+    return FALSE;
+}
+
+bool8 sub_80903C8 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    u8 directions[2];
+    u8 direction;
+
+    memcpy(directions, gUnknown_0850D7F0, sizeof gUnknown_0850D7F0);
+    direction = GetRunningPastFacingDirection(mapObject, RUNFOLLOW_NORTH_WEST);
+    if (direction == 0)
+    {
+        direction = directions[Random() & 0x01];
+    }
+    FieldObjectSetDirection(mapObject, direction);
+    sprite->data1 = 1;
+    return TRUE;
+}
+
+field_object_step(RandomlyLookNorthOrEast, gUnknown_0850D7F4)
+
+bool8 sub_8090454 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    npc_reset(mapObject, sprite);
+    sprite->data1 = 1;
+    return TRUE;
+}
+
+bool8 sub_8090468 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    FieldObjectSetRegularAnim(mapObject, sprite, GetFaceDirectionAnimId(mapObject->mapobj_unk_18));
+    sprite->data1 = 2;
+    return TRUE;
+}
+
+bool8 sub_8090494 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (FieldObjectExecRegularAnim(mapObject, sprite))
+    {
+        SetFieldObjectStepTimer(sprite, gUnknown_0850D6EC[Random() & 0x03]);
+        mapObject->mapobj_bit_1 = FALSE;
+        sprite->data1 = 3;
+    }
+    return FALSE;
+}
+
+bool8 sub_80904D8 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (RunFieldObjectStepTimer(sprite) || FieldObjectIsTrainerAndCloseToPlayer(mapObject))
+    {
+        sprite->data1 = 4;
+        return TRUE;
+    }
+    return FALSE;
+}
+
+bool8 sub_8090508 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    u8 directions[2];
+    u8 direction;
+
+    memcpy(directions, gUnknown_0850D808, sizeof gUnknown_0850D808);
+    direction = GetRunningPastFacingDirection(mapObject, RUNFOLLOW_NORTH_EAST);
+    if (direction == 0)
+    {
+        direction = directions[Random() & 0x01];
+    }
+    FieldObjectSetDirection(mapObject, direction);
+    sprite->data1 = 1;
+    return TRUE;
+}
+
+field_object_step(RandomlyLookSouthOrWest, gUnknown_0850D80C)
+
+bool8 sub_8090594 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    npc_reset(mapObject, sprite);
+    sprite->data1 = 1;
+    return TRUE;
+}
+
+bool8 sub_80905A8 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    FieldObjectSetRegularAnim(mapObject, sprite, GetFaceDirectionAnimId(mapObject->mapobj_unk_18));
+    sprite->data1 = 2;
+    return TRUE;
+}
+
+bool8 sub_80905D4 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (FieldObjectExecRegularAnim(mapObject, sprite))
+    {
+        SetFieldObjectStepTimer(sprite, gUnknown_0850D6EC[Random() & 0x03]);
+        mapObject->mapobj_bit_1 = FALSE;
+        sprite->data1 = 3;
+    }
+    return FALSE;
+}
+
+bool8 sub_8090618 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (RunFieldObjectStepTimer(sprite) || FieldObjectIsTrainerAndCloseToPlayer(mapObject))
+    {
+        sprite->data1 = 4;
+        return TRUE;
+    }
+    return FALSE;
+}
+
+bool8 sub_8090648 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    u8 directions[2];
+    u8 direction;
+
+    memcpy(directions, gUnknown_0850D820, sizeof gUnknown_0850D820);
+    direction = GetRunningPastFacingDirection(mapObject, RUNFOLLOW_SOUTH_WEST);
+    if (direction == 0)
+    {
+        direction = directions[Random() & 0x01];
+    }
+    FieldObjectSetDirection(mapObject, direction);
+    sprite->data1 = 1;
+    return TRUE;
+}
+
+field_object_step(RandomlyLookSouthOrEast, gUnknown_0850D824)
+
+bool8 sub_80906D4 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    npc_reset(mapObject, sprite);
+    sprite->data1 = 1;
+    return TRUE;
+}
+
+bool8 sub_80906E8 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    FieldObjectSetRegularAnim(mapObject, sprite, GetFaceDirectionAnimId(mapObject->mapobj_unk_18));
+    sprite->data1 = 2;
+    return TRUE;
+}
+
+bool8 sub_8090714 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (FieldObjectExecRegularAnim(mapObject, sprite))
+    {
+        SetFieldObjectStepTimer(sprite, gUnknown_0850D6EC[Random() & 0x03]);
+        mapObject->mapobj_bit_1 = FALSE;
+        sprite->data1 = 3;
+    }
+    return FALSE;
+}
+
+bool8 sub_8090758 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (RunFieldObjectStepTimer(sprite) || FieldObjectIsTrainerAndCloseToPlayer(mapObject))
+    {
+        sprite->data1 = 4;
+        return TRUE;
+    }
+    return FALSE;
+}
+
+bool8 sub_8090788 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    u8 directions[2];
+    u8 direction;
+
+    memcpy(directions, gUnknown_0850D838, sizeof gUnknown_0850D838);
+    direction = GetRunningPastFacingDirection(mapObject, RUNFOLLOW_SOUTH_EAST);
+    if (direction == 0)
+    {
+        direction = directions[Random() & 0x01];
+    }
+    FieldObjectSetDirection(mapObject, direction);
+    sprite->data1 = 1;
+    return TRUE;
+}
+
+field_object_step(RandomlyLookNorthOrSouthOrWest, gUnknown_0850D83C)
+
+bool8 sub_8090814 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    npc_reset(mapObject, sprite);
+    sprite->data1 = 1;
+    return TRUE;
+}
+
+bool8 sub_8090828 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    FieldObjectSetRegularAnim(mapObject, sprite, GetFaceDirectionAnimId(mapObject->mapobj_unk_18));
+    sprite->data1 = 2;
+    return TRUE;
+}
+
+bool8 sub_8090854 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (FieldObjectExecRegularAnim(mapObject, sprite))
+    {
+        SetFieldObjectStepTimer(sprite, gUnknown_0850D6EC[Random() & 0x03]);
+        mapObject->mapobj_bit_1 = FALSE;
+        sprite->data1 = 3;
+    }
+    return FALSE;
+}
+
+bool8 sub_8090898 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (RunFieldObjectStepTimer(sprite) || FieldObjectIsTrainerAndCloseToPlayer(mapObject))
+    {
+        sprite->data1 = 4;
+        return TRUE;
+    }
+    return FALSE;
+}
+
+bool8 sub_80908C8 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    u8 directions[4];
+    u8 direction;
+
+    memcpy(directions, gUnknown_0850D850, sizeof gUnknown_0850D850);
+    direction = GetRunningPastFacingDirection(mapObject, RUNFOLLOW_NORTH_SOUTH_WEST);
+    if (direction == 0)
+    {
+        direction = directions[Random() & 0x03];
+    }
+    FieldObjectSetDirection(mapObject, direction);
+    sprite->data1 = 1;
+    return TRUE;
+}
+
+field_object_step(RandomlyLookNorthOrSouthOrEast, gUnknown_0850D854)
+
+bool8 sub_8090954 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    npc_reset(mapObject, sprite);
+    sprite->data1 = 1;
+    return TRUE;
+}
+
+bool8 sub_8090968 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    FieldObjectSetRegularAnim(mapObject, sprite, GetFaceDirectionAnimId(mapObject->mapobj_unk_18));
+    sprite->data1 = 2;
+    return TRUE;
+}
+
+bool8 sub_8090994 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (FieldObjectExecRegularAnim(mapObject, sprite))
+    {
+        SetFieldObjectStepTimer(sprite, gUnknown_0850D6EC[Random() & 0x03]);
+        mapObject->mapobj_bit_1 = FALSE;
+        sprite->data1 = 3;
+    }
+    return FALSE;
+}
+
+bool8 sub_80909D8 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (RunFieldObjectStepTimer(sprite) || FieldObjectIsTrainerAndCloseToPlayer(mapObject))
+    {
+        sprite->data1 = 4;
+        return TRUE;
+    }
+    return FALSE;
+}
+
+bool8 sub_8090A08 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    u8 directions[4];
+    u8 direction;
+
+    memcpy(directions, gUnknown_0850D868, sizeof gUnknown_0850D868);
+    direction = GetRunningPastFacingDirection(mapObject, RUNFOLLOW_NORTH_SOUTH_EAST);
+    if (direction == 0)
+    {
+        direction = directions[Random() & 0x03];
+    }
+    FieldObjectSetDirection(mapObject, direction);
+    sprite->data1 = 1;
+    return TRUE;
+}
+
+field_object_step(RandomlyLookNorthOrEastOrWest, gUnknown_0850D86C)
+
+bool8 sub_8090A94 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    npc_reset(mapObject, sprite);
+    sprite->data1 = 1;
+    return TRUE;
+}
+
+bool8 sub_8090AA8 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    FieldObjectSetRegularAnim(mapObject, sprite, GetFaceDirectionAnimId(mapObject->mapobj_unk_18));
+    sprite->data1 = 2;
+    return TRUE;
+}
+
+bool8 sub_8090AD4 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (FieldObjectExecRegularAnim(mapObject, sprite))
+    {
+        SetFieldObjectStepTimer(sprite, gUnknown_0850D6EC[Random() & 0x03]);
+        mapObject->mapobj_bit_1 = FALSE;
+        sprite->data1 = 3;
+    }
+    return FALSE;
+}
+
+bool8 sub_8090B18 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (RunFieldObjectStepTimer(sprite) || FieldObjectIsTrainerAndCloseToPlayer(mapObject))
+    {
+        sprite->data1 = 4;
+        return TRUE;
+    }
+    return FALSE;
+}
+
+bool8 sub_8090B48 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    u8 directions[4];
+    u8 direction;
+
+    memcpy(directions, gUnknown_0850D880, sizeof gUnknown_0850D880);
+    direction = GetRunningPastFacingDirection(mapObject, RUNFOLLOW_NORTH_EAST_WEST);
+    if (direction == 0)
+    {
+        direction = directions[Random() & 0x03];
+    }
+    FieldObjectSetDirection(mapObject, direction);
+    sprite->data1 = 1;
+    return TRUE;
+}
+
+field_object_step(RandomlyLookSouthOrEastOrWest, gUnknown_0850D884)
+
+bool8 sub_8090BD4 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    npc_reset(mapObject, sprite);
+    sprite->data1 = 1;
+    return TRUE;
+}
+
+bool8 sub_8090BE8 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    FieldObjectSetRegularAnim(mapObject, sprite, GetFaceDirectionAnimId(mapObject->mapobj_unk_18));
+    sprite->data1 = 2;
+    return TRUE;
+}
+
+bool8 sub_8090C14 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (FieldObjectExecRegularAnim(mapObject, sprite))
+    {
+        SetFieldObjectStepTimer(sprite, gUnknown_0850D6EC[Random() & 0x03]);
+        mapObject->mapobj_bit_1 = FALSE;
+        sprite->data1 = 3;
+    }
+    return FALSE;
+}
+
+bool8 sub_8090C58 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (RunFieldObjectStepTimer(sprite) || FieldObjectIsTrainerAndCloseToPlayer(mapObject))
+    {
+        sprite->data1 = 4;
+        return TRUE;
+    }
+    return FALSE;
+}
+
+bool8 sub_8090C88 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    u8 directions[4];
+    u8 direction;
+
+    memcpy(directions, gUnknown_0850D898, sizeof gUnknown_0850D898);
+    direction = GetRunningPastFacingDirection(mapObject, RUNFOLLOW_SOUTH_EAST_WEST);
+    if (direction == 0)
+    {
+        direction = directions[Random() & 0x03];
+    }
+    FieldObjectSetDirection(mapObject, direction);
+    sprite->data1 = 1;
+    return TRUE;
+}
+
+field_object_step(LookAroundCounterclockwise, gUnknown_0850D89C)
+
+bool8 sub_8090D14 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    npc_reset(mapObject, sprite);
+    FieldObjectSetRegularAnim(mapObject, sprite, GetFaceDirectionAnimId(mapObject->mapobj_unk_18));
+    sprite->data1 = 1;
+    return TRUE;
+}
+
+bool8 sub_8090D40 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (FieldObjectExecRegularAnim(mapObject, sprite))
+    {
+        SetFieldObjectStepTimer(sprite, 48);
+        sprite->data1 = 2;
+    }
+    return FALSE;
+}
+
+bool8 sub_8090D64 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (RunFieldObjectStepTimer(sprite) || FieldObjectIsTrainerAndCloseToPlayer(mapObject))
+    {
+        sprite->data1 = 3;
+    }
+    return FALSE;
+}
+
+bool8 sub_8090D90 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    u8 directions[5];
+    u8 direction;
+
+    memcpy(directions, gUnknown_0850D8AC, sizeof gUnknown_0850D8AC);
+    direction = GetRunningPastFacingDirection(mapObject, RUNFOLLOW_ANY);
+    if (direction == 0)
+    {
+        direction = directions[mapObject->mapobj_unk_18];
+    }
+    FieldObjectSetDirection(mapObject, direction);
+    sprite->data1 = 0;
+    return TRUE;
+}
+
+field_object_step(LookAroundClockwise, gUnknown_0850D8B4)
+
+bool8 sub_8090E18 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    npc_reset(mapObject, sprite);
+    FieldObjectSetRegularAnim(mapObject, sprite, GetFaceDirectionAnimId(mapObject->mapobj_unk_18));
+    sprite->data1 = 1;
+    return TRUE;
+}
+
+bool8 sub_8090E44 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (FieldObjectExecRegularAnim(mapObject, sprite))
+    {
+        SetFieldObjectStepTimer(sprite, 48);
+        sprite->data1 = 2;
+    }
+    return FALSE;
+}
+
+bool8 sub_8090E68 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (RunFieldObjectStepTimer(sprite) || FieldObjectIsTrainerAndCloseToPlayer(mapObject))
+    {
+        sprite->data1 = 3;
+    }
+    return FALSE;
+}
+
+bool8 sub_8090E94 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    u8 directions[5];
+    u8 direction;
+
+    memcpy(directions, gUnknown_0850D8C4, sizeof gUnknown_0850D8C4);
+    direction = GetRunningPastFacingDirection(mapObject, RUNFOLLOW_ANY);
+    if (direction == 0)
+    {
+        direction = directions[mapObject->mapobj_unk_18];
+    }
+    FieldObjectSetDirection(mapObject, direction);
+    sprite->data1 = 0;
+    return TRUE;
+}
+
+field_object_step(AlternatelyGoInOppositeDirections, gUnknown_0850D8CC)
+
+bool8 sub_8090F1C (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    npc_reset(mapObject, sprite);
+    sprite->data1 = 1;
+    return TRUE;
+}
+
+bool8 sub_8090F30 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    u8 direction;
+
+    direction = gUnknown_085055CD[mapObject->animPattern];
+    if (mapObject->mapobj_unk_21)
+    {
+        direction = GetOppositeDirection(direction);
+    }
+    FieldObjectSetDirection(mapObject, direction);
+    sprite->data1 = 2;
+    return TRUE;
+}
+
+bool8 sub_8090F68 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    bool8 blockingWay;
+    u8 animId;
+
+    if (mapObject->mapobj_unk_21 && mapObject->coords1.x == mapObject->coords2.x && mapObject->coords1.y == mapObject->coords2.y)
+    {
+        mapObject->mapobj_unk_21 = 0;
+        FieldObjectSetDirection(mapObject, GetOppositeDirection(mapObject->placeholder18));
+    }
+    blockingWay = npc_block_way__next_tile(mapObject, mapObject->placeholder18);
+    animId = GetGoSpeed0AnimId(mapObject->placeholder18);
+    if (blockingWay == TRUE)
+    {
+        mapObject->mapobj_unk_21 ++;
+        FieldObjectSetDirection(mapObject, GetOppositeDirection(mapObject->placeholder18));
+        animId = GetGoSpeed0AnimId(mapObject->placeholder18);
+        blockingWay = npc_block_way__next_tile(mapObject, mapObject->placeholder18);
+    }
+    if (blockingWay)
+    {
+        animId = GetStepInPlaceDelay16AnimId(mapObject->mapobj_unk_18);
+    }
+    FieldObjectSetRegularAnim(mapObject, sprite, animId);
+    mapObject->mapobj_bit_1 = TRUE;
+    sprite->data1 = 3;
+    return TRUE;
+}
+
+bool8 sub_8091020 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (FieldObjectExecRegularAnim(mapObject, sprite))
+    {
+        mapObject->mapobj_bit_1 = FALSE;
+        sprite->data1 = 1;
+    }
+    return FALSE;
+}
+
+bool8 sub_8091048(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    npc_reset(mapObject, sprite);
+    sprite->data1 = 1;
+    return TRUE;
+}
+
+bool8 MoveFieldObjectInNextDirectionInSequence(struct MapObject *mapObject, struct Sprite *sprite, u8 *route)
+{
+    u8 blockingWay;
+    u8 animId;
+
+    if (mapObject->mapobj_unk_21 == 3 && mapObject->coords1.x == mapObject->coords2.x && mapObject->coords1.y == mapObject->coords2.y)
+    {
+        mapObject->mapobj_unk_21 = 0;
+    }
+    FieldObjectSetDirection(mapObject, route[mapObject->mapobj_unk_21]);
+    animId = GetGoSpeed0AnimId(mapObject->placeholder18);
+    blockingWay = npc_block_way__next_tile(mapObject, mapObject->placeholder18);
+    if (blockingWay == TRUE)
+    {
+        mapObject->mapobj_unk_21 ++;
+        FieldObjectSetDirection(mapObject, route[mapObject->mapobj_unk_21]);
+        animId = GetGoSpeed0AnimId(mapObject->placeholder18);
+        blockingWay = npc_block_way__next_tile(mapObject, mapObject->placeholder18);
+    }
+    if (blockingWay)
+    {
+        animId = GetStepInPlaceDelay16AnimId(mapObject->mapobj_unk_18);
+    }
+    FieldObjectSetRegularAnim(mapObject, sprite, animId);
+    mapObject->mapobj_bit_1 = TRUE;
+    sprite->data1 = 2;
+    return TRUE;
+}
+
+bool8 sub_8091110(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (FieldObjectExecRegularAnim(mapObject, sprite))
+    {
+        mapObject->mapobj_bit_1 = FALSE;
+        sprite->data1 = 1;
+    }
+    return FALSE;
+}
+
+field_object_path( 1, gUnknown_0850D8DC, sub_809117C, gUnknown_0850D8E8, 2, x)
+field_object_path( 2, gUnknown_0850D8EC, sub_8091208, gUnknown_0850D8F8, 1, x)
+field_object_path( 3, gUnknown_0850D8FC, sub_8091294, gUnknown_0850D908, 1, y)
+field_object_path( 4, gUnknown_0850D90C, sub_8091320, gUnknown_0850D918, 2, y)
+field_object_path( 5, gUnknown_0850D91C, sub_80913AC, gUnknown_0850D928, 2, x)
+field_object_path( 6, gUnknown_0850D92C, sub_8091438, gUnknown_0850D938, 1, x)
+field_object_path( 7, gUnknown_0850D93C, sub_80914C4, gUnknown_0850D710, 1, y)
+field_object_path( 8, gUnknown_0850D948, sub_8091550, gUnknown_0850D954, 2, y)
+field_object_path( 9, gUnknown_0850D958, sub_80915DC, gUnknown_0850D964, 2, y)
+field_object_path(10, gUnknown_0850D968, sub_8091668, gUnknown_0850D974, 1, y)
+field_object_path(11, gUnknown_0850D978, sub_80916F4, gUnknown_0850D984, 1, x)
+field_object_path(12, gUnknown_0850D988, sub_8091780, gUnknown_0850D994, 2, x)
+field_object_path(13, gUnknown_0850D998, sub_809180C, gUnknown_0850D9A4, 2, y)
+field_object_path(14, gUnknown_0850D9A8, sub_8091898, gUnknown_0850D9B4, 1, y)
+field_object_path(15, gUnknown_0850D9B8, sub_8091924, gUnknown_0850D9C4, 1, x)
+field_object_path(16, gUnknown_0850D9C8, sub_80919B0, gUnknown_0850D9D4, 2, x)
+field_object_path(17, gUnknown_0850D9D8, sub_8091A3C, gUnknown_0850D9E4, 2, y)
+field_object_path(18, gUnknown_0850D9E8, sub_8091AC8, gUnknown_0850D9F4, 2, y)
+field_object_path(19, gUnknown_0850D9F8, sub_8091B54, gUnknown_0850DA04, 2, x)
+field_object_path(20, gUnknown_0850DA08, sub_8091BE0, gUnknown_0850DA14, 2, x)
+field_object_path(21, gUnknown_0850DA18, sub_8091C6C, gUnknown_0850DA24, 2, y)
+field_object_path(22, gUnknown_0850DA28, sub_8091CF8, gUnknown_0850DA34, 2, y)
+field_object_path(23, gUnknown_0850DA38, sub_8091D84, gUnknown_0850DA44, 2, x)
+field_object_path(24, gUnknown_0850DA48, sub_8091E10, gUnknown_0850DA54, 2, x)
+
+field_object_step(CopyPlayer1, gUnknown_0850DA58)
+
+bool8 mss_npc_reset_oampriv3_1_unk2_unk3(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    npc_reset(mapObject, sprite);
+    if (mapObject->mapobj_unk_21 == 0)
+    {
+        mapObject->mapobj_unk_21 = player_get_direction_lower_nybble();
+    }
+    sprite->data1 = 1;
+    return TRUE;
+}
+
+bool8 sub_8091EC0(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (gMapObjects[gPlayerAvatar.mapObjectId].mapobj_unk_1C == 0xFF || gPlayerAvatar.running1 == 2)
+    {
+        return FALSE;
+    }
+    return gUnknown_0850DA64[player_get_x22()](mapObject, sprite, player_get_direction_upper_nybble(), NULL);
+}
+
+bool8 sub_8091F20(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (FieldObjectExecRegularAnim(mapObject, sprite))
+    {
+        mapObject->mapobj_bit_1 = FALSE;
+        sprite->data1 = 1;
+    }
+    return FALSE;
+}
+
+bool8 sub_8091F48(struct MapObject *mapObject, struct Sprite *sprite, u8 playerDirection, bool8 tileCB(u8))
+{
+    return FALSE;
+}
+
+bool8 sub_8091F4C(struct MapObject *mapObject, struct Sprite *sprite, u8 playerDirection, bool8 tileCB(u8))
+{
+    FieldObjectSetRegularAnim(mapObject, sprite, GetFaceDirectionAnimId(state_to_direction(gUnknown_085055CD[mapObject->animPattern], mapObject->mapobj_unk_21, playerDirection)));
+    mapObject->mapobj_bit_1 = TRUE;
+    sprite->data1 = 2;
+    return TRUE;
+}
+
+bool8 sub_8091F94(struct MapObject *mapObject, struct Sprite *sprite, u8 playerDirection, bool8 tileCB(u8))
+{
+    u32 direction;
+    s16 x;
+    s16 y;
+
+    direction = playerDirection;
+    if (FieldObjectIsFarawayIslandMew(mapObject))
+    {
+        direction = sub_81D427C();
+        if (direction == 0)
+        {
+            direction = playerDirection;
+            direction = state_to_direction(gUnknown_085055CD[mapObject->animPattern], mapObject->mapobj_unk_21, direction);
+            FieldObjectMoveDestCoords(mapObject, direction, &x, &y);
+            FieldObjectSetRegularAnim(mapObject, sprite, GetFaceDirectionAnimId(direction));
+            mapObject->mapobj_bit_1 = TRUE;
+            sprite->data1 = 2;
+            return TRUE;
+        }
+    }
+    else
+    {
+        direction = state_to_direction(gUnknown_085055CD[mapObject->animPattern], mapObject->mapobj_unk_21, direction);
+    }
+    FieldObjectMoveDestCoords(mapObject, direction, &x, &y);
+    FieldObjectSetRegularAnim(mapObject, sprite, GetGoSpeed0AnimId(direction));
+    if (npc_block_way(mapObject, x, y, direction) || (tileCB != NULL && !tileCB(MapGridGetMetatileBehaviorAt(x, y))))
+    {
+        FieldObjectSetRegularAnim(mapObject, sprite, GetFaceDirectionAnimId(direction));
+    }
+    mapObject->mapobj_bit_1 = TRUE;
+    sprite->data1 = 2;
+    return TRUE;
+}
+
+bool8 sub_80920A4(struct MapObject *mapObject, struct Sprite *sprite, u8 playerDirection, bool8 tileCB(u8))
+{
+    u32 direction;
+    s16 x;
+    s16 y;
+
+    direction = playerDirection;
+    direction = state_to_direction(gUnknown_085055CD[mapObject->animPattern], mapObject->mapobj_unk_21, direction);
+    FieldObjectMoveDestCoords(mapObject, direction, &x, &y);
+    FieldObjectSetRegularAnim(mapObject, sprite, GetGoSpeed1AnimId(direction));
+    if (npc_block_way(mapObject, x, y, direction) || (tileCB != NULL && !tileCB(MapGridGetMetatileBehaviorAt(x, y))))
+    {
+        FieldObjectSetRegularAnim(mapObject, sprite, GetFaceDirectionAnimId(direction));
+    }
+    mapObject->mapobj_bit_1 = TRUE;
+    sprite->data1 = 2;
+    return TRUE;
+}
+
+bool8 sub_809215C(struct MapObject *mapObject, struct Sprite *sprite, u8 playerDirection, bool8 tileCB(u8))
+{
+    u32 direction;
+    s16 x;
+    s16 y;
+
+    direction = playerDirection;
+    direction = state_to_direction(gUnknown_085055CD[mapObject->animPattern], mapObject->mapobj_unk_21, direction);
+    FieldObjectMoveDestCoords(mapObject, direction, &x, &y);
+    FieldObjectSetRegularAnim(mapObject, sprite, GetGoSpeed3AnimId(direction));
+    if (npc_block_way(mapObject, x, y, direction) || (tileCB != NULL && !tileCB(MapGridGetMetatileBehaviorAt(x, y))))
+    {
+        FieldObjectSetRegularAnim(mapObject, sprite, GetFaceDirectionAnimId(direction));
+    }
+    mapObject->mapobj_bit_1 = TRUE;
+    sprite->data1 = 2;
+    return TRUE;
+}
+
+bool8 sub_8092214(struct MapObject *mapObject, struct Sprite *sprite, u8 playerDirection, bool8 tileCB(u8))
+{
+    u32 direction;
+    s16 x;
+    s16 y;
+
+    direction = playerDirection;
+    direction = state_to_direction(gUnknown_085055CD[mapObject->animPattern], mapObject->mapobj_unk_21, direction);
+    FieldObjectMoveDestCoords(mapObject, direction, &x, &y);
+    FieldObjectSetRegularAnim(mapObject, sprite, sub_8093438(direction));
+    if (npc_block_way(mapObject, x, y, direction) || (tileCB != NULL && !tileCB(MapGridGetMetatileBehaviorAt(x, y))))
+    {
+        FieldObjectSetRegularAnim(mapObject, sprite, GetFaceDirectionAnimId(direction));
+    }
+    mapObject->mapobj_bit_1 = TRUE;
+    sprite->data1 = 2;
+    return TRUE;
+}
+
+bool8 cph_IM_DIFFERENT(struct MapObject *mapObject, struct Sprite *sprite, u8 playerDirection, bool8 tileCB(u8))
+{
+    u32 direction;
+
+    direction = playerDirection;
+    direction = state_to_direction(gUnknown_085055CD[mapObject->animPattern], mapObject->mapobj_unk_21, direction);
+    FieldObjectSetRegularAnim(mapObject, sprite, sub_80934BC(direction));
+    mapObject->mapobj_bit_1 = TRUE;
+    sprite->data1 = 2;
+    return TRUE;
+}
+
+bool8 sub_8092314(struct MapObject *mapObject, struct Sprite *sprite, u8 playerDirection, bool8 tileCB(u8))
+{
+    u32 direction;
+    s16 x;
+    s16 y;
+
+    direction = playerDirection;
+    direction = state_to_direction(gUnknown_085055CD[mapObject->animPattern], mapObject->mapobj_unk_21, direction);
+    FieldObjectMoveDestCoords(mapObject, direction, &x, &y);
+    FieldObjectSetRegularAnim(mapObject, sprite, sub_8093514(direction));
+    if (npc_block_way(mapObject, x, y, direction) || (tileCB != NULL && !tileCB(MapGridGetMetatileBehaviorAt(x, y))))
+    {
+        FieldObjectSetRegularAnim(mapObject, sprite, GetFaceDirectionAnimId(direction));
+    }
+    mapObject->mapobj_bit_1 = TRUE;
+    sprite->data1 = 2;
+    return TRUE;
+}
+
+bool8 oac_hopping(struct MapObject *mapObject, struct Sprite *sprite, u8 playerDirection, bool8 tileCB(u8))
+{
+    u32 direction;
+    s16 x;
+    s16 y;
+
+    direction = playerDirection;
+    direction = state_to_direction(gUnknown_085055CD[mapObject->animPattern], mapObject->mapobj_unk_21, direction);
+    x = mapObject->coords2.x;
+    y = mapObject->coords2.y;
+    sub_8092F88(direction, &x, &y, 2, 2);
+    FieldObjectSetRegularAnim(mapObject, sprite, GetJumpLedgeAnimId(direction));
+    if (npc_block_way(mapObject, x, y, direction) || (tileCB != NULL && !tileCB(MapGridGetMetatileBehaviorAt(x, y))))
+    {
+        FieldObjectSetRegularAnim(mapObject, sprite, GetFaceDirectionAnimId(direction));
+    }
+    mapObject->mapobj_bit_1 = TRUE;
+    sprite->data1 = 2;
+    return TRUE;
+}
+
+field_object_step(CopyPlayer2, gUnknown_0850DA90)
+
+bool8 mss_08062EA4(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (gMapObjects[gPlayerAvatar.mapObjectId].mapobj_unk_1C == 0xFF || gPlayerAvatar.running1 == 2)
+    {
+        return FALSE;
+    }
+    return gUnknown_0850DA64[player_get_x22()](mapObject, sprite, player_get_direction_upper_nybble(), sub_8088E64);
+}
+
+bool8 sub_80925AC(struct MapObject *, struct Sprite *);
+
+void FieldObjectCB_TreeDisguise(struct Sprite *sprite)
+{
+    struct MapObject *mapObject;
+
+    mapObject = &gMapObjects[sprite->data0];
+    if (mapObject->mapobj_unk_21 == 0 || (mapObject->mapobj_unk_21 == 1 && !sprite->data7))
+    {
+        FieldObjectGetLocalIdAndMap(mapObject, (u8 *)&gFieldEffectSpawnParams[0], (u8 *)&gFieldEffectSpawnParams[1], (u8 *)&gFieldEffectSpawnParams[2]);
+        mapObject->mapobj_unk_1A = FieldEffectStart(FLDEFF_TREE_DISGUISE);
+        mapObject->mapobj_unk_21 = 1;
+        sprite->data7 ++;
+    }
+    FieldObjectStep(&gMapObjects[sprite->data0], sprite, sub_80925AC);
+}
+
+bool8 sub_80925AC(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    npc_reset(mapObject, sprite);
+    return FALSE;
+}
+
+void FieldObjectCB_MountainDisguise(struct Sprite *sprite)
+{
+    struct MapObject *mapObject;
+
+    mapObject = &gMapObjects[sprite->data0];
+    if (mapObject->mapobj_unk_21 == 0 || (mapObject->mapobj_unk_21 == 1 && !sprite->data7))
+    {
+        FieldObjectGetLocalIdAndMap(mapObject, (u8 *)&gFieldEffectSpawnParams[0], (u8 *)&gFieldEffectSpawnParams[1], (u8 *)&gFieldEffectSpawnParams[2]);
+        mapObject->mapobj_unk_1A = FieldEffectStart(FLDEFF_MOUNTAIN_DISGUISE);
+        mapObject->mapobj_unk_21 = 1;
+        sprite->data7 ++;
+    }
+    FieldObjectStep(&gMapObjects[sprite->data0], sprite, sub_80925AC);
+}
+
+extern bool8 (*const gUnknown_0850DA9C[])(struct MapObject *, struct Sprite *);
+bool8 sub_809268C(struct MapObject *, struct Sprite *);
+
+void FieldObjectCB_Hidden1(struct Sprite *sprite)
+{
+    if (!sprite->data7)
+    {
+        gMapObjects[sprite->data0].mapobj_bit_26 = TRUE;
+        sprite->subspriteMode = 2;
+        sprite->oam.priority = 3;
+        sprite->data7 ++;
+    }
+    FieldObjectStep(&gMapObjects[sprite->data0], sprite, sub_809268C);
+}
+
+bool8 sub_809268C(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    return gUnknown_0850DA9C[sprite->data1](mapObject, sprite);
+}
+
+bool8 sub_80926AC (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    npc_reset(mapObject, sprite);
+    return FALSE;
+}
+bool8 sub_80926B8 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (FieldObjectExecRegularAnim(mapObject, sprite))
+    {
+        sprite->data1 = 0;
+    }
+    return FALSE;
+}
+
+field_object_step(WalkInPlace1, gUnknown_0850DAA0)
+
+bool8 sub_8092718(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    npc_reset(mapObject, sprite);
+    FieldObjectSetRegularAnim(mapObject, sprite, GetStepInPlaceDelay16AnimId(mapObject->mapobj_unk_18));
+    sprite->data1 = 1;
+    return TRUE;
+}
+
+field_object_step(WalkInPlace4, gUnknown_0850DAA8)
+
+bool8 sub_8092788(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    npc_reset(mapObject, sprite);
+    FieldObjectSetRegularAnim(mapObject, sprite, GetStepInPlaceDelay32AnimId(mapObject->mapobj_unk_18));
+    sprite->data1 = 1;
+    return TRUE;
+}
+
+field_object_step(WalkInPlace2, gUnknown_0850DAB0)
+
+bool8 sub_80927F8(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    npc_reset(mapObject, sprite);
+    FieldObjectSetRegularAnim(mapObject, sprite, GetStepInPlaceDelay8AnimId(mapObject->mapobj_unk_18));
+    sprite->data1 = 1;
+    return TRUE;
+}
+
+field_object_step(WalkInPlace3, gUnknown_0850DAB8)
+
+bool8 sub_8092868(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    npc_reset(mapObject, sprite);
+    FieldObjectSetRegularAnim(mapObject, sprite, GetStepInPlaceDelay4AnimId(mapObject->mapobj_unk_18));
+    sprite->data1 = 1;
+    return TRUE;
+}
+
+field_object_step(Hidden2, gUnknown_0850DAC0)
+
+bool8 sub_80928D8(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    npc_reset(mapObject, sprite);
+    FieldObjectSetRegularAnim(mapObject, sprite, GetFaceDirectionAnimId(mapObject->mapobj_unk_18));
+    mapObject->mapobj_bit_13 = TRUE;
+    sprite->data1 = 1;
+    return TRUE;
+}
+bool8 sub_809290C(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (FieldObjectExecRegularAnim(mapObject, sprite))
+    {
+        sprite->data1 = 2;
+        return TRUE;
+    }
+    return FALSE;
+}
+
+bool8 sub_809292C(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    mapObject->mapobj_bit_1 = FALSE;
+    return FALSE;
+}
+
+void npc_reset(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    mapObject->mapobj_bit_1 = FALSE;
+    mapObject->mapobj_bit_6 = FALSE;
+    mapObject->mapobj_bit_7 = FALSE;
+    mapObject->mapobj_unk_1C = 0xFF;
+    sprite->data1 = 0;
+}
+
+#define dirn2anim(name, table)\
+extern const u8 table[4];\
+u8 name(u8 direction)\
+{\
+    return table[direction];\
+}
+
+dirn2anim(FieldObjectDirectionToImageAnimId, gUnknown_0850DACC)
+dirn2anim(get_go_image_anim_num, gUnknown_0850DAD5)
+dirn2anim(get_go_fast_image_anim_num, gUnknown_0850DADE)
+dirn2anim(get_go_faster_image_anim_num, gUnknown_0850DAE7)
+dirn2anim(get_go_fastest_image_anim_num, gUnknown_0850DAF0)
+dirn2anim(sub_80929AC, gUnknown_0850DAF9)
+dirn2anim(sub_80929BC, gUnknown_0850DB02)
+dirn2anim(sub_80929CC, gUnknown_0850DB0B)
+dirn2anim(sub_80929DC, gUnknown_0850DB14)
+dirn2anim(sub_80929EC, gUnknown_0850DB1D)
+dirn2anim(sub_80929FC, gUnknown_0850DB26)
+dirn2anim(sub_8092A0C, gUnknown_0850DB2F)
+dirn2anim(sub_8092A1C, gUnknown_0850DB38)
+dirn2anim(sub_8092A2C, gUnknown_0850DB41)
+dirn2anim(get_run_image_anim_num, gUnknown_0850DB4A)
+
+// file boundary?
+
+struct UnkStruct_085094AC {
+    const union AnimCmd *const *anims;
+    u8 animPos[4];
+};
+
+extern const struct UnkStruct_085094AC gUnknown_085094AC[];
+
+static const struct UnkStruct_085094AC *sub_8092A4C(const union AnimCmd *const *anims)
+{
+    const struct UnkStruct_085094AC *retval;
+
+    for (retval = gUnknown_085094AC; retval->anims != NULL; retval ++)
+    {
+        if (retval->anims == anims)
+        {
+            return retval;
+        }
+    }
+    return NULL;
+}
+
+void npc_apply_anim_looping(struct MapObject *mapObject, struct Sprite *sprite, u8 animNum)
+{
+    const struct UnkStruct_085094AC *unk85094AC;
+
+    if (!mapObject->mapobj_bit_12)
+    {
+        sprite->animNum = animNum;
+        unk85094AC = sub_8092A4C(sprite->anims);
+        if (unk85094AC != NULL)
+        {
+            if (sprite->animCmdIndex == unk85094AC->animPos[0])
+            {
+                sprite->animCmdIndex = unk85094AC->animPos[3];
+            }
+            else if (sprite->animCmdIndex == unk85094AC->animPos[1])
+            {
+                sprite->animCmdIndex = unk85094AC->animPos[2];
+            }
+        }
+        SeekSpriteAnim(sprite, sprite->animCmdIndex);
+    }
+}
+
+void obj_npc_animation_step(struct MapObject *mapObject, struct Sprite *sprite, u8 animNum)
+{
+    const struct UnkStruct_085094AC *unk85094AC;
+
+    if (!mapObject->mapobj_bit_12)
+    {
+        u8 animPos;
+
+        sprite->animNum = animNum;
+        unk85094AC = sub_8092A4C(sprite->anims);
+        if (unk85094AC != NULL)
+        {
+            animPos = unk85094AC->animPos[1];
+            if (sprite->animCmdIndex <= unk85094AC->animPos[0])
+            {
+                animPos = unk85094AC->animPos[0];
+            }
+            SeekSpriteAnim(sprite, animPos);
+        }
+    }
+}
+
+// file boundary?
+
+u8 sub_8092AF8(s16 x1, s16 y1, s16 x2, s16 y2)
+{
+    if (x1 > x2)
+    {
+        return DIR_WEST;
+    }
+    if (x1 < x2)
+    {
+        return DIR_EAST;
+    }
+    if (y1 > y2)
+    {
+        return DIR_NORTH;
+    }
+    return DIR_SOUTH;
+}
+
+void npc_set_running_behaviour_etc(struct MapObject *mapObject, u8 animPattern)
+{
+    mapObject->animPattern = animPattern;
+    mapObject->mapobj_unk_21 = 0;
+    mapObject->animId = 0;
+    gSprites[mapObject->spriteId].callback = gUnknown_08505438[animPattern];
+    gSprites[mapObject->spriteId].data1 = 0;
+}
+
+dirn2anim(npc_running_behaviour_by_direction, gUnknown_0850DB53)
+
+u8 npc_block_way__next_tile(struct MapObject *mapObject, u8 direction)
+{
+    s16 x;
+    s16 y;
+
+    x = mapObject->coords2.x;
+    y = mapObject->coords2.y;
+    MoveCoords(direction, &x, &y);
+    return npc_block_way(mapObject, x, y, direction);
+}
+
+u8 npc_block_way(struct MapObject *mapObject, s16 x, s16 y, u32 dirn)
+{
+    u8 direction;
+
+    direction = dirn;
+    if (IsCoordOutsideFieldObjectMovementRect(mapObject, x, y))
+    {
+        return 1;
+    }
+    if (MapGridIsImpassableAt(x, y) || GetMapBorderIdAt(x, y) == -1 || IsMetatileDirectionallyImpassable(mapObject, x, y, direction))
+    {
+        return 2;
+    }
+    if (mapObject->mapobj_bit_15 && !CanCameraMoveInDirection(direction))
+    {
+        return 2;
+    }
+    if (IsZCoordMismatchAt(mapObject->mapobj_unk_0B_0, x, y))
+    {
+        return 3;
+    }
+    if (CheckForCollisionBetweenFieldObjects(mapObject, x, y))
+    {
+        return 4;
+    }
+    return 0;
+}
+
+u8 sub_8092C8C(struct MapObject *mapObject, s16 x, s16 y, u8 direction)
+{
+    u8 retval;
+
+    retval = 0x00;
+    if (IsCoordOutsideFieldObjectMovementRect(mapObject, x, y))
+    {
+        retval |= 1;
+    }
+    if (MapGridIsImpassableAt(x, y) || GetMapBorderIdAt(x, y) == -1 || IsMetatileDirectionallyImpassable(mapObject, x, y, direction) || (mapObject->mapobj_bit_15 && !CanCameraMoveInDirection(direction)))
+    {
+        retval |= 2;
+    }
+    if (IsZCoordMismatchAt(mapObject->mapobj_unk_0B_0, x, y))
+    {
+        retval |= 4;
+    }
+    if (CheckForCollisionBetweenFieldObjects(mapObject, x, y))
+    {
+        retval |= 8;
+    }
+    return retval;
+}
+
+static bool8 IsCoordOutsideFieldObjectMovementRect(struct MapObject *mapObject, s16 x, s16 y)
+{
+    s16 left;
+    s16 right;
+    s16 top;
+    s16 bottom;
+
+    if (mapObject->range.as_nybbles.x != 0)
+    {
+        left = mapObject->coords1.x - mapObject->range.as_nybbles.x;
+        right = mapObject->coords1.x + mapObject->range.as_nybbles.x;
+        if (left > x || right < x)
+        {
+            return TRUE;
+        }
+    }
+    if (mapObject->range.as_nybbles.y != 0)
+    {
+        top = mapObject->coords1.y - mapObject->range.as_nybbles.y;
+        bottom = mapObject->coords1.y + mapObject->range.as_nybbles.y;
+        if (top > y || bottom < y)
+        {
+            return TRUE;
+        }
+    }
+    return FALSE;
+}
+
+static bool8 IsMetatileDirectionallyImpassable(struct MapObject *mapObject, s16 x, s16 y, u8 direction)
+{
+    if (gUnknown_0850DB5C[direction - 1](mapObject->mapobj_unk_1E) || gUnknown_0850DB6C[direction - 1](MapGridGetMetatileBehaviorAt(x, y)))
+    {
+        return TRUE;
+    }
+    return FALSE;
+}
+
+static bool8 CheckForCollisionBetweenFieldObjects(struct MapObject *mapObject, s16 x, s16 y)
+{
+    u8 i;
+    struct MapObject *curObject;
+
+    for (i = 0; i < NUM_FIELD_OBJECTS; i ++)
+    {
+        curObject = &gMapObjects[i];
+        if (curObject->active && curObject != mapObject)
+        {
+            if ((curObject->coords2.x == x && curObject->coords2.y == y) || (curObject->coords3.x == x && curObject->coords3.y == y))
+            {
+                if (AreZCoordsCompatible(mapObject->mapobj_unk_0B_0, curObject->mapobj_unk_0B_0))
+                {
+                    return TRUE;
+                }
+            }
+        }
+    }
+    return FALSE;
+}
+
+bool8 sub_8092E9C(u8 localId, u8 mapNum, u8 mapGroup)
+{
+    u8 mapObjectId;
+
+    if (!TryGetFieldObjectIdByLocalIdAndMap(localId, mapNum, mapGroup, &mapObjectId) && gSprites[gMapObjects[mapObjectId].spriteId].data7 & 0x02)
+    {
+        return TRUE;
+    }
+    return FALSE;
+}
+
+void sub_8092EF0(u8 localId, u8 mapNum, u8 mapGroup)
+{
+    u8 mapObjectId;
+
+    if (!TryGetFieldObjectIdByLocalIdAndMap(localId, mapNum, mapGroup, &mapObjectId))
+    {
+        gSprites[gMapObjects[mapObjectId].spriteId].data7 |= 0x04;
+    }
+}
+
+void MoveCoords(u8 direction, s16 *x, s16 *y)
+{
+    *x += gUnknown_0850DB7C[direction].x;
+    *y += gUnknown_0850DB7C[direction].y;
+}
+
+void sub_8092F60(u8 direction, s16 *x, s16 *y)
+{
+    *x += gUnknown_0850DB7C[direction].x << 4;
+    *y += gUnknown_0850DB7C[direction].y << 4;
+}
+
+void sub_8092F88(u32 dirn, s16 *x, s16 *y, s16 dx, s16 dy)
+{
+    u8 direction;
+    s16 dx_2;
+    s16 dy_2;
+    s16 cur_x;
+    s16 cur_y;
+
+    direction = dirn;
+    dx_2 = dx;
+    dy_2 = dy;
+    cur_x = gUnknown_0850DB7C[direction].x;
+    if (cur_x > 0)
+    {
+        *x += dx_2;
+    }
+    if (cur_x < 0)
+    {
+        *x -= dx_2;
+    }
+    cur_y = gUnknown_0850DB7C[direction].y;
+    if (cur_y > 0)
+    {
+        *y += dy_2;
+    }
+    if (cur_y < 0)
+    {
+        *y -= dy_2;
+    }
+}
+
+void sub_8092FF0(s16 x, s16 y, s16 *dest_x, s16 *dest_y)
+{
+    *dest_x = (x - gSaveBlock1Ptr->pos.x) << 4;
+    *dest_y = (y - gSaveBlock1Ptr->pos.y) << 4;
+    *dest_x -= gUnknown_03005DEC;
+    *dest_y -= gUnknown_03005DE8;
+}
+
+void sub_8093038(s16 x, s16 y, s16 *dest_x, s16 *dest_y)
+{
+    s16 dx;
+    s16 dy;
+
+    dx = -gUnknown_03005DEC - gUnknown_03005DD0.x;
+    dy = -gUnknown_03005DE8 - gUnknown_03005DD0.y;
+    if (gUnknown_03005DD0.x > 0)
+    {
+        dx += 0x10;
+    }
+    if (gUnknown_03005DD0.x < 0)
+    {
+        dx -= 0x10;
+    }
+    if (gUnknown_03005DD0.y > 0)
+    {
+        dy += 0x10;
+    }
+    if (gUnknown_03005DD0.y < 0)
+    {
+        dy -= 0x10;
+    }
+    *dest_x = ((x - gSaveBlock1Ptr->pos.x) << 4) + dx;
+    *dest_y = ((y - gSaveBlock1Ptr->pos.y) << 4) + dy;
+}
+
+void sub_80930E0(s16 *x, s16 *y, s16 dx, s16 dy)
+{
+    sub_8093038(*x, *y, x, y);
+    *x += dx;
+    *y += dy;
+}
+
+void GetFieldObjectMovingCameraOffset(s16 *x, s16 *y)
+{
+    *x = 0;
+    *y = 0;
+    if (gUnknown_03005DD0.x > 0)
+    {
+        (*x) ++;
+    }
+    if (gUnknown_03005DD0.x < 0)
+    {
+        (*x) --;
+    }
+    if (gUnknown_03005DD0.y > 0)
+    {
+        (*y) ++;
+    }
+    if (gUnknown_03005DD0.y < 0)
+    {
+        (*y) --;
+    }
+}
+
+void FieldObjectMoveDestCoords(struct MapObject *mapObject, u32 dirn, s16 *x, s16 *y)
+{
+    u8 direction;
+
+    direction = dirn;
+    *x = mapObject->coords2.x;
+    *y = mapObject->coords2.y;
+    MoveCoords(direction, x, y);
+}
+
+// file boundary?
+
+bool8 FieldObjectIsSpecialAnimOrDirectionSequenceAnimActive(struct MapObject *mapObject)
+{
+    if (mapObject->mapobj_bit_1 || mapObject->mapobj_bit_6)
+    {
+        return TRUE;
+    }
+    return FALSE;
+}
+
+bool8 FieldObjectIsSpecialAnimActive(struct MapObject *mapObject)
+{
+    if (mapObject->mapobj_bit_6 && mapObject->mapobj_unk_1C != 0xFF)
+    {
+        return TRUE;
+    }
+    return FALSE;
+}
+
+bool8 FieldObjectSetSpecialAnim(struct MapObject *mapObject, u8 specialAnimId)
+{
+    if (FieldObjectIsSpecialAnimOrDirectionSequenceAnimActive(mapObject))
+    {
+        return TRUE;
+    }
+    npc_sync_anim_pause_bits(mapObject);
+    mapObject->mapobj_unk_1C = specialAnimId;
+    mapObject->mapobj_bit_6 = TRUE;
+    mapObject->mapobj_bit_7 = FALSE;
+    gSprites[mapObject->spriteId].data2 = 0;
+    return FALSE;
+}
+
+void FieldObjectForceSetSpecialAnim(struct MapObject *mapObject, u8 specialAnimId)
+{
+    FieldObjectClearAnimIfSpecialAnimActive(mapObject);
+    FieldObjectSetSpecialAnim(mapObject, specialAnimId);
+}
+
+void FieldObjectClearAnimIfSpecialAnimActive(struct MapObject *mapObject)
+{
+    if (mapObject->mapobj_bit_6)
+    {
+        FieldObjectClearAnim(mapObject);
+    }
+}
+
+void FieldObjectClearAnim(struct MapObject *mapObject)
+{
+    mapObject->mapobj_unk_1C = 0xFF;
+    mapObject->mapobj_bit_6 = FALSE;
+    mapObject->mapobj_bit_7 = FALSE;
+    gSprites[mapObject->spriteId].data1 = 0;
+    gSprites[mapObject->spriteId].data2 = 0;
+}
+
+u8 FieldObjectCheckIfSpecialAnimFinishedOrInactive(struct MapObject *mapObject)
+{
+    if (mapObject->mapobj_bit_6)
+    {
+        return mapObject->mapobj_bit_7;
+    }
+    return 0x10;
+}
+
+u8 FieldObjectClearAnimIfSpecialAnimFinished(struct MapObject *mapObject)
+{
+    u8 specialAnimState;
+
+    specialAnimState = FieldObjectCheckIfSpecialAnimFinishedOrInactive(mapObject);
+    if (specialAnimState != 0 && specialAnimState != 16)
+    {
+        FieldObjectClearAnimIfSpecialAnimActive(mapObject);
+    }
+    return specialAnimState;
+}
+
+u8 FieldObjectGetSpecialAnim(struct MapObject *mapObject)
+{
+    if (mapObject->mapobj_bit_6)
+    {
+        return mapObject->mapobj_unk_1C;
+    }
+    return 0xFF;
+}
+
+void FieldObjectStep(struct MapObject *mapObject, struct Sprite *sprite, bool8 (*callback)(struct MapObject *, struct Sprite *))
+{
+    DoGroundEffects_OnSpawn(mapObject, sprite);
+    sub_80964E8(mapObject, sprite);
+    if (FieldObjectIsSpecialAnimActive(mapObject))
+    {
+        FieldObjectExecSpecialAnim(mapObject, sprite);
+    }
+    else if (!mapObject->mapobj_bit_8)
+    {
+        while (callback(mapObject, sprite));
+    }
+    DoGroundEffects_OnBeginStep(mapObject, sprite);
+    DoGroundEffects_OnFinishStep(mapObject, sprite);
+    npc_obj_transfer_image_anim_pause_flag(mapObject, sprite);
+    sub_8096518(mapObject, sprite);
+    FieldObjectUpdateSubpriority(mapObject, sprite);
+}
+
+#define dirn2anim_2(name, table) \
+extern const u8 table[5];      \
+u8 name(u32 direction)         \
+{                              \
+    u8 dirn2;                  \
+    u8 animIds[5];             \
+    dirn2 = direction;         \
+    memcpy(animIds, table, 5); \
+    if (dirn2 > DIR_EAST)      \
+    {                          \
+        dirn2 = 0;             \
+    }                          \
+    return animIds[dirn2];     \
+}
+
+dirn2anim_2(GetFaceDirectionAnimId, gUnknown_0850DBA0);
+dirn2anim_2(GetSimpleGoAnimId, gUnknown_0850DBA5);
+dirn2anim_2(GetGoSpeed0AnimId, gUnknown_0850DBAA);
+dirn2anim_2(GetGoSpeed1AnimId, gUnknown_0850DBAF);
+dirn2anim_2(GetGoSpeed2AnimId, gUnknown_0850DBB4);
+dirn2anim_2(GetGoSpeed3AnimId, gUnknown_0850DBB9);
+dirn2anim_2(sub_8093438, gUnknown_0850DBBE);
+dirn2anim_2(GetRunAnimId, gUnknown_0850DBC3);
+dirn2anim_2(GetJumpLedgeAnimId, gUnknown_0850DBC8);
+dirn2anim_2(sub_80934BC, gUnknown_0850DBCD);
+dirn2anim_2(sub_80934E8, gUnknown_0850DBD2);
+dirn2anim_2(sub_8093514, gUnknown_0850DBD7);
+dirn2anim_2(sub_8093540, gUnknown_0850DBDC);
+dirn2anim_2(GetStepInPlaceDelay32AnimId, gUnknown_0850DBE1);
+dirn2anim_2(GetStepInPlaceDelay16AnimId, gUnknown_0850DBE6);
+dirn2anim_2(GetStepInPlaceDelay8AnimId, gUnknown_0850DBEB);
+dirn2anim_2(GetStepInPlaceDelay4AnimId, gUnknown_0850DBF0);
+
+bool8 FieldObjectFaceOppositeDirection(struct MapObject *mapObject, u8 direction)
+{
+    return FieldObjectSetSpecialAnim(mapObject, GetFaceDirectionAnimId(GetOppositeDirection(direction)));
+}
+
+dirn2anim_2(sub_8093648, gUnknown_0850DBF5);
+dirn2anim_2(sub_8093674, gUnknown_0850DBFA);
+dirn2anim_2(sub_80936A0, gUnknown_0850DBFF);
+dirn2anim_2(sub_80936CC, gUnknown_0850DC04);
+dirn2anim_2(sub_80936F8, gUnknown_0850DC09);
+dirn2anim_2(sub_8093724, gUnknown_0850DC0E);
+dirn2anim_2(sub_8093750, gUnknown_0850DC13);
+dirn2anim_2(sub_809377C, gUnknown_0850DC18);
+dirn2anim_2(sub_80937A8, gUnknown_0850DC1D);
+dirn2anim_2(d2s_08064034, gUnknown_0850DC22);
+
+extern const u8 gUnknown_0850DC27[8];
+
+u8 GetOppositeDirection(u8 direction)
+{
+    u8 directions[sizeof gUnknown_0850DC27];
+
+    memcpy(directions, gUnknown_0850DC27, sizeof gUnknown_0850DC27);
+    if (direction < 1 || direction > (sizeof gUnknown_0850DC27))
+    {
+        return direction;
+    }
+    return directions[direction - 1];
+}
+
+static u32 zffu_offset_calc(u8 a0, u8 a1)
+{
+    return gUnknown_0850DC2F[a0 - 1][a1 - 1];
+}
+
+static u32 state_to_direction(u8 a0, u32 a1, u32 a2)
+{
+    u32 zffuOffset;
+    u8 a1_2;
+    u8 a2_2;
+
+    a1_2 = a1;
+    a2_2 = a2;
+    if (a1_2 == 0 || a2_2 == 0 || a1_2 > DIR_EAST || a2_2 > DIR_EAST)
+    {
+        return 0;
+    }
+    zffuOffset = zffu_offset_calc(a1_2, a2);
+    return gUnknown_0850DC3F[a0 - 1][zffuOffset - 1];
+}
+
+static void FieldObjectExecSpecialAnim(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (gUnknown_0850DC50[mapObject->mapobj_unk_1C][sprite->data2](mapObject, sprite))
+    {
+        mapObject->mapobj_bit_7 = TRUE;
+    }
+}
+
+bool8 FieldObjectExecRegularAnim(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (gUnknown_0850DC50[mapObject->mapobj_unk_1C][sprite->data2](mapObject, sprite))
+    {
+        mapObject->mapobj_unk_1C = 0xFF;
+        sprite->data2 = 0;
+        return TRUE;
+    }
+    return FALSE;
+}
+
+void FieldObjectSetRegularAnim(struct MapObject *mapObject, struct Sprite *sprite, u8 animId)
+{
+    mapObject->mapobj_unk_1C = animId;
+    sprite->data2 = 0;
+}
+
+// file boundary?
+
+void an_look_any(struct MapObject *mapObject, struct Sprite *sprite, u8 direction)
+{
+    FieldObjectSetDirection(mapObject, direction);
+    npc_coords_shift_still(mapObject);
+    obj_npc_animation_step(mapObject, sprite, get_go_image_anim_num(mapObject->mapobj_unk_18));
+    sprite->animPaused = TRUE;
+    sprite->data2 = 1;
+}
+
+bool8 sub_8093950(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    an_look_any(mapObject, sprite, DIR_SOUTH);
+    return TRUE;
+}
+
+bool8 sub_8093960(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    an_look_any(mapObject, sprite, DIR_NORTH);
+    return TRUE;
+}
+
+bool8 sub_8093970(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    an_look_any(mapObject, sprite, DIR_WEST);
+    return TRUE;
+}
+
+bool8 sub_8093980(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    an_look_any(mapObject, sprite, DIR_EAST);
+    return TRUE;
+}
+
+void npc_apply_direction(struct MapObject *mapObject, struct Sprite *sprite, u8 direction, u8 speed)
+{
+    s16 x;
+    s16 y;
+
+    x = mapObject->coords2.x;
+    y = mapObject->coords2.y;
+    FieldObjectSetDirection(mapObject, direction);
+    MoveCoords(direction, &x, &y);
+    npc_coords_shift(mapObject, x, y);
+    oamt_npc_ministep_reset(sprite, direction, speed);
+    sprite->animPaused = FALSE;
+    if (gUnknown_020375B8 != NULL && sub_8097F78(mapObject) != 0x10)
+    {
+        sprite->animPaused = TRUE;
+    }
+    mapObject->mapobj_bit_2 = TRUE;
+    sprite->data2 = 1;
+}
+
+void do_go_anim(struct MapObject *mapObject, struct Sprite *sprite, u8 direction, u8 speed)
+{
+    u8 (*functions[ARRAY_COUNT(gUnknown_0850DEE8)])(u8);
+
+    memcpy(functions, gUnknown_0850DEE8, sizeof gUnknown_0850DEE8);
+    npc_apply_direction(mapObject, sprite, direction, speed);
+    npc_apply_anim_looping(mapObject, sprite, functions[speed](mapObject->mapobj_unk_18));
+}
+
+void do_run_anim(struct MapObject *mapObject, struct Sprite *sprite, u8 direction)
+{
+    npc_apply_direction(mapObject, sprite, direction, 1);
+    npc_apply_anim_looping(mapObject, sprite, get_run_image_anim_num(mapObject->mapobj_unk_18));
+}
+
+bool8 npc_obj_ministep_stop_on_arrival(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (obj_npc_ministep(sprite))
+    {
+        npc_coords_shift_still(mapObject);
+        mapObject->mapobj_bit_3 = TRUE;
+        sprite->animPaused = TRUE;
+        return TRUE;
+    }
+    return FALSE;
+}
+
+void sub_8093AF0(struct MapObject *mapObject, struct Sprite *sprite, u8 direction)
+{
+    s16 x;
+    s16 y;
+
+    x = mapObject->coords2.x;
+    y = mapObject->coords2.y;
+    FieldObjectSetDirection(mapObject, direction);
+    MoveCoords(direction, &x, &y);
+    npc_coords_shift(mapObject, x, y);
+    sub_80976DC(sprite, direction);
+    sprite->animPaused = FALSE;
+    mapObject->mapobj_bit_2 = TRUE;
+    sprite->data2 = 1;
+}
+
+void sub_8093B60(struct MapObject *mapObject, struct Sprite *sprite, u8 direction)
+{
+    sub_8093AF0(mapObject, sprite, direction);
+    npc_apply_anim_looping(mapObject, sprite, get_go_image_anim_num(mapObject->mapobj_unk_18));
+}
+
+bool8 an_walk_any_2(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (sub_80976EC(sprite))
+    {
+        npc_coords_shift_still(mapObject);
+        mapObject->mapobj_bit_3 = TRUE;
+        sprite->animPaused = TRUE;
+        return TRUE;
+    }
+    return FALSE;
+}
+
+#define an_walk_any_2_macro(name, fn1, fn2, ...) \
+bool8 name##_2(struct MapObject *, struct Sprite *);\
+bool8 name(struct MapObject *mapObject, struct Sprite *sprite)\
+{\
+    fn1(mapObject, sprite, __VA_ARGS__);\
+    return name##_2(mapObject, sprite);\
+}\
+bool8 name##_2(struct MapObject *mapObject, struct Sprite *sprite)\
+{\
+    if (fn2(mapObject, sprite))\
+    {\
+        sprite->data2 = 2;\
+        return TRUE;\
+    }\
+    return FALSE;\
+}
+
+an_walk_any_2_macro(sub_8093BC4, sub_8093B60, an_walk_any_2, 7)
+an_walk_any_2_macro(sub_8093C04, sub_8093B60, an_walk_any_2, 8)
+an_walk_any_2_macro(sub_8093C44, sub_8093B60, an_walk_any_2, 5)
+an_walk_any_2_macro(sub_8093C84, sub_8093B60, an_walk_any_2, 6)
+an_walk_any_2_macro(sub_8093CC4, sub_8093B60, an_walk_any_2, 1)
+an_walk_any_2_macro(sub_8093D04, sub_8093B60, an_walk_any_2, 2)
+an_walk_any_2_macro(sub_8093D44, sub_8093B60, an_walk_any_2, 3)
+an_walk_any_2_macro(sub_8093D84, sub_8093B60, an_walk_any_2, 4)
+an_walk_any_2_macro(sub_8093DC4, do_go_anim, npc_obj_ministep_stop_on_arrival, 7, 0)
+an_walk_any_2_macro(sub_8093E04, do_go_anim, npc_obj_ministep_stop_on_arrival, 8, 0)
+an_walk_any_2_macro(sub_8093E44, do_go_anim, npc_obj_ministep_stop_on_arrival, 5, 0)
+an_walk_any_2_macro(sub_8093E84, do_go_anim, npc_obj_ministep_stop_on_arrival, 6, 0)
+an_walk_any_2_macro(sub_8093EC4, do_go_anim, npc_obj_ministep_stop_on_arrival, 1, 0)
+an_walk_any_2_macro(sub_8093F04, do_go_anim, npc_obj_ministep_stop_on_arrival, 2, 0)
+an_walk_any_2_macro(sub_8093F44, do_go_anim, npc_obj_ministep_stop_on_arrival, 3, 0)
+an_walk_any_2_macro(sub_8093F84, do_go_anim, npc_obj_ministep_stop_on_arrival, 4, 0)
+
+void sub_8093FC4(struct MapObject *mapObject, struct Sprite *sprite, u8 direction, u8 speed, u8 a5)
+{
+    s16 displacements[ARRAY_COUNT(gUnknown_0850DFBC)];
+    s16 x;
+    s16 y;
+
+    memcpy(displacements, gUnknown_0850DFBC, sizeof gUnknown_0850DFBC);
+    x = 0;
+    y = 0;
+    FieldObjectSetDirection(mapObject, direction);
+    sub_8092F88(direction, &x, &y, displacements[speed], displacements[speed]);
+    npc_coords_shift(mapObject, mapObject->coords2.x + x, mapObject->coords2.y + y);
+    sub_809783C(sprite, direction, speed, a5);
+    sprite->data2 = 1;
+    sprite->animPaused = 0;
+    mapObject->mapobj_bit_2 = 1;
+    mapObject->mapobj_bit_4 = 1;
+}
+
+void maybe_shadow_1(struct MapObject *mapObject, struct Sprite *sprite, u8 direction, u8 speed, u8 a4)
+{
+    sub_8093FC4(mapObject, sprite, direction, speed, a4);
+    npc_apply_anim_looping(mapObject, sprite, get_go_image_anim_num(mapObject->mapobj_unk_18));
+    DoShadowFieldEffect(mapObject);
+}
+
+u8 sub_80940C4(struct MapObject *mapObject, struct Sprite *sprite, u8 callback(struct Sprite *))
+{
+    s16 displacements[ARRAY_COUNT(gUnknown_0850DFC2)];
+    s16 x;
+    s16 y;
+    u8 result;
+
+    memcpy(displacements, gUnknown_0850DFC2, sizeof gUnknown_0850DFC2);
+    result = callback(sprite);
+    if (result == 1 && displacements[sprite->data4] != 0)
+    {
+        x = 0;
+        y = 0;
+        sub_8092F88(mapObject->placeholder18, &x, &y, displacements[sprite->data4], displacements[sprite->data4]);
+        npc_coords_shift(mapObject, mapObject->coords2.x + x, mapObject->coords2.y + y);
+        mapObject->mapobj_bit_2 = TRUE;
+        mapObject->mapobj_bit_4 = TRUE;
+    }
+    else if (result == 0xFF)
+    {
+        npc_coords_shift_still(mapObject);
+        mapObject->mapobj_bit_3 = TRUE;
+        mapObject->mapobj_bit_5 = TRUE;
+        sprite->animPaused = TRUE;
+    }
+    return result;
+}
+
+u8 sub_8094188(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    return sub_80940C4(mapObject, sprite, sub_809785C);
+}
+
+u8 sub_809419C(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    return sub_80940C4(mapObject, sprite, sub_80978E4);
+}
+
+bool8 sub_80941B0(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (sub_8094188(mapObject, sprite) == 0xFF)
+    {
+        return TRUE;
+    }
+    return FALSE;
+}
+
+bool8 sub_80941C8(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (sub_809419C(mapObject, sprite) == 0xFF)
+    {
+        return TRUE;
+    }
+    return FALSE;
+}
+
+bool8 sub_80941E0(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    switch (sub_8094188(mapObject, sprite))
+    {
+        case 255:
+            return TRUE;
+        case   1:
+            FieldObjectSetDirection(mapObject, GetOppositeDirection(mapObject->placeholder18));
+            obj_npc_animation_step(mapObject, sprite, get_go_image_anim_num(mapObject->mapobj_unk_18));
+        default:
+            return FALSE;
+    }
+}
+
+#define maybe_shadow_1_macro(name, fn1, fn2, ...) \
+bool8 name##_2(struct MapObject *, struct Sprite *);\
+bool8 name(struct MapObject *mapObject, struct Sprite *sprite)\
+{\
+    fn1(mapObject, sprite, __VA_ARGS__);\
+    return name##_2(mapObject, sprite);\
+}\
+bool8 name##_2(struct MapObject *mapObject, struct Sprite *sprite)\
+{\
+    if (fn2(mapObject, sprite))\
+    {\
+        mapObject->mapobj_bit_22 = FALSE;\
+        sprite->data2 = 2;\
+        return TRUE;\
+    }\
+    return FALSE;\
+}
+
+maybe_shadow_1_macro(sub_8094230, maybe_shadow_1, sub_80941B0, DIR_SOUTH, 2, 0)
+maybe_shadow_1_macro(sub_8094288, maybe_shadow_1, sub_80941B0, DIR_NORTH, 2, 0)
+maybe_shadow_1_macro(sub_80942E0, maybe_shadow_1, sub_80941B0, DIR_WEST,  2, 0)
+maybe_shadow_1_macro(sub_8094338, maybe_shadow_1, sub_80941B0, DIR_EAST,  2, 0)
+
+void sub_8094390(struct Sprite *sprite, u16 duration)
+{
+    sprite->data2 = 1;
+    sprite->data3 = duration;
+}
+
+bool8 sub_8094398(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (-- sprite->data3 == 0)
+    {
+        sprite->data2 = 2;
+        return TRUE;
+    }
+    return FALSE;
+}
+
+#define special_anim_with_timer(name, duration)\
+bool8 name(struct MapObject *mapObject, struct Sprite *sprite)\
+{\
+    sub_8094390(sprite, duration);\
+    return sub_8094398(mapObject, sprite);\
+}
+
+special_anim_with_timer(sub_80943B4,  1)
+special_anim_with_timer(sub_80943D4,  2)
+special_anim_with_timer(sub_80943F4,  4)
+special_anim_with_timer(sub_8094414,  8)
+special_anim_with_timer(sub_8094434, 16)
+
+an_walk_any_2_macro(sub_8094454, do_go_anim, npc_obj_ministep_stop_on_arrival, 1, 1)
+an_walk_any_2_macro(sub_8094494, do_go_anim, npc_obj_ministep_stop_on_arrival, 2, 1)
+an_walk_any_2_macro(sub_80944D4, do_go_anim, npc_obj_ministep_stop_on_arrival, 3, 1)
+an_walk_any_2_macro(sub_8094514, do_go_anim, npc_obj_ministep_stop_on_arrival, 4, 1)
+
+void sub_8094554(struct MapObject *mapObject, struct Sprite *sprite, u8 direction, u8 animNum, u16 duration)
+{
+    FieldObjectSetDirection(mapObject, direction);
+    npc_apply_anim_looping(mapObject, sprite, animNum);
+    sprite->animPaused = FALSE;
+    sprite->data2 = 1;
+    sprite->data3 = duration;
+}
+
+bool8 sub_809459C(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (-- sprite->data3 == 0)
+    {
+        sprite->data2 = 2;
+        sprite->animPaused = TRUE;
+        return TRUE;
+    }
+    return FALSE;
+}
+
+bool8 sub_80945C4(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (sprite->data3 & 1)
+    {
+        sprite->animDelayCounter ++;
+    }
+    return sub_809459C(mapObject, sprite);
+}
+
+#define special_anim_with_timer_2(name, direction, images, duration, timer) \
+bool8 name(struct MapObject *mapObject, struct Sprite *sprite)\
+{\
+    u8 animId;\
+    animId = images(DIR_##direction);\
+    sub_8094554(mapObject, sprite, DIR_##direction, animId, duration);\
+    return timer(mapObject, sprite);\
+}
+
+special_anim_with_timer_2(sub_8094600, SOUTH, get_go_image_anim_num,        32, sub_80945C4)
+special_anim_with_timer_2(sub_8094638, NORTH, get_go_image_anim_num,        32, sub_80945C4)
+special_anim_with_timer_2(sub_8094670, WEST,  get_go_image_anim_num,        32, sub_80945C4)
+special_anim_with_timer_2(sub_80946A8, EAST,  get_go_image_anim_num,        32, sub_80945C4)
+special_anim_with_timer_2(sub_80946E0, SOUTH, get_go_image_anim_num,        16, sub_809459C)
+special_anim_with_timer_2(sub_8094718, NORTH, get_go_image_anim_num,        16, sub_809459C)
+special_anim_with_timer_2(sub_8094750, WEST,  get_go_image_anim_num,        16, sub_809459C)
+special_anim_with_timer_2(sub_8094788, EAST,  get_go_image_anim_num,        16, sub_809459C)
+special_anim_with_timer_2(sub_80947C0, SOUTH, get_go_fast_image_anim_num,    8, sub_809459C)
+special_anim_with_timer_2(sub_80947F8, NORTH, get_go_fast_image_anim_num,    8, sub_809459C)
+special_anim_with_timer_2(sub_8094830, WEST,  get_go_fast_image_anim_num,    8, sub_809459C)
+special_anim_with_timer_2(sub_8094868, EAST,  get_go_fast_image_anim_num,    8, sub_809459C)
+special_anim_with_timer_2(sub_80948A0, SOUTH, get_go_faster_image_anim_num,  4, sub_809459C)
+special_anim_with_timer_2(sub_80948D8, NORTH, get_go_faster_image_anim_num,  4, sub_809459C)
+special_anim_with_timer_2(sub_8094910, WEST,  get_go_faster_image_anim_num,  4, sub_809459C)
+special_anim_with_timer_2(sub_8094948, EAST,  get_go_faster_image_anim_num,  4, sub_809459C)
+
+an_walk_any_2_macro(sub_8094980, do_go_anim, npc_obj_ministep_stop_on_arrival, DIR_SOUTH, 2)
+an_walk_any_2_macro(sub_80949C0, do_go_anim, npc_obj_ministep_stop_on_arrival, DIR_NORTH, 2)
+an_walk_any_2_macro(sub_8094A00, do_go_anim, npc_obj_ministep_stop_on_arrival, DIR_WEST,  2)
+an_walk_any_2_macro(sub_8094A40, do_go_anim, npc_obj_ministep_stop_on_arrival, DIR_EAST,  2)
+an_walk_any_2_macro(sub_8094A80, do_go_anim, npc_obj_ministep_stop_on_arrival, DIR_SOUTH, 3)
+an_walk_any_2_macro(sub_8094AC0, do_go_anim, npc_obj_ministep_stop_on_arrival, DIR_NORTH, 3)
+an_walk_any_2_macro(sub_8094B00, do_go_anim, npc_obj_ministep_stop_on_arrival, DIR_WEST,  3)
+an_walk_any_2_macro(sub_8094B40, do_go_anim, npc_obj_ministep_stop_on_arrival, DIR_EAST,  3)
+an_walk_any_2_macro(sub_8094B80, do_go_anim, npc_obj_ministep_stop_on_arrival, DIR_SOUTH, 4)
+an_walk_any_2_macro(sub_8094BC0, do_go_anim, npc_obj_ministep_stop_on_arrival, DIR_NORTH, 4)
+an_walk_any_2_macro(sub_8094C00, do_go_anim, npc_obj_ministep_stop_on_arrival, DIR_WEST,  4)
+an_walk_any_2_macro(sub_8094C40, do_go_anim, npc_obj_ministep_stop_on_arrival, DIR_EAST,  4)
+an_walk_any_2_macro(sub_8094C80, do_run_anim, npc_obj_ministep_stop_on_arrival, DIR_SOUTH)
+an_walk_any_2_macro(sub_8094CC0, do_run_anim, npc_obj_ministep_stop_on_arrival, DIR_NORTH)
+an_walk_any_2_macro(sub_8094D00, do_run_anim, npc_obj_ministep_stop_on_arrival, DIR_WEST)
+an_walk_any_2_macro(sub_8094D40, do_run_anim, npc_obj_ministep_stop_on_arrival, DIR_EAST)
+
+void npc_set_direction_and_anim__an_proceed(struct MapObject *mapObject, struct Sprite *sprite, u8 direction, u8 animNum)
+{
+    obj_anim_image_set_and_seek(sprite, animNum, 0);
+    FieldObjectSetDirection(mapObject, direction);
+    sprite->data2 = 1;
+}
+
+bool8 sub_8094DAC(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    npc_set_direction_and_anim__an_proceed(mapObject, sprite, mapObject->placeholder18, sprite->animNum);
+    return FALSE;
+}
+
+bool8 sub_8094DC4(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (sub_80979BC(sprite))
+    {
+        sprite->data2 = 2;
+        return TRUE;
+    }
+    return FALSE;
+}
+
+void sub_8094DE4(struct MapObject *mapObject, struct Sprite *sprite, u8 direction)
+{
+    sub_8093FC4(mapObject, sprite, direction, 1, 0);
+    StartSpriteAnim(sprite, sub_80929AC(direction));
+}
+
+#define unk_macro_8094E18(name, direction)\
+bool8 name##_2(struct MapObject *, struct Sprite *);\
+bool8 name(struct MapObject *mapObject, struct Sprite *sprite)\
+{\
+    sub_8094DE4(mapObject, sprite, direction);\
+    return name##_2(mapObject, sprite);\
+}\
+bool8 name##_2(struct MapObject *mapObject, struct Sprite *sprite)\
+{\
+    if (sub_80941C8(mapObject, sprite))\
+    {\
+        sprite->data2 = 2;\
+        mapObject->mapobj_bit_5 = FALSE;\
+        return TRUE;\
+    }\
+    return FALSE;\
+}
+
+unk_macro_8094E18(sub_8094E18, DIR_SOUTH)
+unk_macro_8094E18(sub_8094E60, DIR_NORTH)
+unk_macro_8094E18(sub_8094EB8, DIR_WEST)
+unk_macro_8094E18(sub_8094710, DIR_EAST)
+
+bool8 sub_8094F38(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    u8 mapObjectId;
+
+    if (!TryGetFieldObjectIdByLocalIdAndMap(0xFF, 0, 0, &mapObjectId))
+    {
+        an_look_any(mapObject, sprite, sub_8092AF8(mapObject->coords2.x, mapObject->coords2.y, gMapObjects[mapObjectId].coords2.x, gMapObjects[mapObjectId].coords2.y));
+    }
+    sprite->data2 = 1;
+    return TRUE;
+}
+
+bool8 sub_8094F94(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    u8 mapObjectId;
+
+    if (!TryGetFieldObjectIdByLocalIdAndMap(0xFF, 0, 0, &mapObjectId))
+    {
+        an_look_any(mapObject, sprite, GetOppositeDirection(sub_8092AF8(mapObject->coords2.x, mapObject->coords2.y, gMapObjects[mapObjectId].coords2.x, gMapObjects[mapObjectId].coords2.y)));
+    }
+    sprite->data2 = 1;
+    return TRUE;
+}
+
+bool8 sub_8094FF8(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    mapObject->mapobj_bit_9 = TRUE;
+    sprite->data2 = 1;
+    return TRUE;
+}
+
+bool8 sub_8095008(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    mapObject->mapobj_bit_9 = FALSE;
+    sprite->data2 = 1;
+    return TRUE;
+}
+
+maybe_shadow_1_macro(sub_8095018, maybe_shadow_1, sub_80941B0, DIR_SOUTH, 1, 2)
+maybe_shadow_1_macro(sub_8095070, maybe_shadow_1, sub_80941B0, DIR_NORTH, 1, 2)
+maybe_shadow_1_macro(sub_80950C8, maybe_shadow_1, sub_80941B0, DIR_WEST,  1, 2)
+maybe_shadow_1_macro(sub_8095120, maybe_shadow_1, sub_80941B0, DIR_EAST,  1, 2)
+maybe_shadow_1_macro(sub_8095178, maybe_shadow_1, sub_80941B0, DIR_SOUTH, 0, 0)
+maybe_shadow_1_macro(sub_80951D0, maybe_shadow_1, sub_80941B0, DIR_NORTH, 0, 0)
+maybe_shadow_1_macro(sub_8095228, maybe_shadow_1, sub_80941B0, DIR_WEST,  0, 0)
+maybe_shadow_1_macro(sub_8095280, maybe_shadow_1, sub_80941B0, DIR_EAST,  0, 0)
+maybe_shadow_1_macro(sub_80952D8, maybe_shadow_1, sub_80941E0, DIR_SOUTH, 0, 2)
+maybe_shadow_1_macro(sub_8095330, maybe_shadow_1, sub_80941E0, DIR_NORTH, 0, 2)
+maybe_shadow_1_macro(sub_8095388, maybe_shadow_1, sub_80941E0, DIR_WEST,  0, 2)
+maybe_shadow_1_macro(sub_80953E0, maybe_shadow_1, sub_80941E0, DIR_EAST,  0, 2)
+
+bool8 sub_8095438(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    an_look_any(mapObject, sprite, gUnknown_085055CD[mapObject->animPattern]);
+    return TRUE;
+}
+
+bool8 sub_8095450(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    npc_set_direction_and_anim__an_proceed(mapObject, sprite, DIR_SOUTH, 0x14);
+    return FALSE;
+}
+
+bool8 sub_8095460(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    mapObject->mapobj_bit_25 = FALSE;
+    sprite->data2 = 1;
+    return TRUE;
+}
+
+bool8 sub_8095470(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    mapObject->mapobj_bit_25 = TRUE;
+    sprite->data2 = 1;
+    return TRUE;
+}
+
+bool8 sub_8095480(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    mapObject->mapobj_bit_12 = TRUE;
+    sprite->data2 = 1;
+    return TRUE;
+}
+
+bool8 sub_8095490(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    mapObject->mapobj_bit_12 = GetFieldObjectGraphicsInfo(mapObject->graphicsId)->inanimate;
+    sprite->data2 = 1;
+    return TRUE;
+}
+
+bool8 sub_80954BC(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    mapObject->mapobj_bit_13 = TRUE;
+    sprite->data2 = 1;
+    return TRUE;
+}
+
+bool8 sub_80954CC(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    mapObject->mapobj_bit_13 = FALSE;
+    sprite->data2 = 1;
+    return TRUE;
+}
+
+bool8 do_exclamation_mark_bubble_1(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    FieldObjectGetLocalIdAndMap(mapObject, (u8 *)&gFieldEffectSpawnParams[0], (u8 *)&gFieldEffectSpawnParams[1], (u8 *)&gFieldEffectSpawnParams[2]);
+    FieldEffectStart(FLDEFF_EXCLAMATION_MARK_ICON_1);
+    sprite->data2 = 1;
+    return TRUE;
+}
+
+bool8 do_exclamation_mark_bubble_2(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    FieldObjectGetLocalIdAndMap(mapObject, (u8 *)&gFieldEffectSpawnParams[0], (u8 *)&gFieldEffectSpawnParams[1], (u8 *)&gFieldEffectSpawnParams[2]);
+    FieldEffectStart(FLDEFF_EXCLAMATION_MARK_ICON_2);
+    sprite->data2 = 1;
+    return TRUE;
+}
+
+bool8 do_heart_bubble(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    FieldObjectGetLocalIdAndMap(mapObject, (u8 *)&gFieldEffectSpawnParams[0], (u8 *)&gFieldEffectSpawnParams[1], (u8 *)&gFieldEffectSpawnParams[2]);
+    FieldEffectStart(FLDEFF_HEART_ICON);
+    sprite->data2 = 1;
+    return TRUE;
+}
+
+bool8 sub_8095548(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (mapObject->animPattern == 0x3F)
+    {
+        sub_80B4578(mapObject);
+        return FALSE;
+    }
+    if (mapObject->animPattern != 0x39 && mapObject->animPattern != 0x3A)
+    {
+        sprite->data2 = 2;
+        return TRUE;
+    }
+    sub_8155D78(mapObject);
+    sprite->data2 = 1;
+    return sub_809558C(mapObject, sprite);
+}
+
+bool8 sub_809558C(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (sub_8155DA0(mapObject))
+    {
+        sprite->data2 = 2;
+        return TRUE;
+    }
+    return FALSE;
+}
+
+bool8 sub_80955AC(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    obj_anim_image_set_and_seek(sprite, 1, 0);
+    sprite->data2 = 1;
+    return FALSE;
+}
+
+bool8 sub_80955C8(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (sub_80979BC(sprite))
+    {
+        SetFieldObjectStepTimer(sprite, 32);
+        sprite->data2 = 2;
+    }
+    return FALSE;
+}
+
+bool8 sub_80955EC(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    mapObject->mapobj_bit_13 ^= TRUE;
+    if (RunFieldObjectStepTimer(sprite))
+    {
+        mapObject->mapobj_bit_13 = TRUE;
+        sprite->data2 = 3;
+    }
+    return FALSE;
+}
+
+bool8 sub_8095628(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    obj_anim_image_set_and_seek(sprite, 1, 0);
+    sprite->data2 = 1;
+    return FALSE;
+}
+
+bool8 sub_8095644(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (sub_80979BC(sprite))
+    {
+        SetFieldObjectStepTimer(sprite, 32);
+        sprite->data2 = 2;
+    }
+    return FALSE;
+}
+
+bool8 sub_8095668(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    mapObject->mapobj_bit_13 ^= TRUE;
+    if (RunFieldObjectStepTimer(sprite))
+    {
+        mapObject->mapobj_bit_13 = TRUE;
+        sprite->data2 = 3;
+    }
+    return FALSE;
+}
+
+bool8 sub_80956A4(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    mapObject->mapobj_bit_26 = TRUE;
+    sprite->data2 = 1;
+    return TRUE;
+}
+
+bool8 sub_80956B4(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    mapObject->mapobj_bit_26 = FALSE;
+    sprite->data2 = 1;
+    return TRUE;
+}
+
+bool8 sub_80956C4(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    sprite->oam.affineMode = 3;
+    InitSpriteAffineAnim(sprite);
+    sprite->affineAnimPaused = TRUE;
+    sprite->subspriteMode = 0;
+    return TRUE;
+}
+
+bool8 sub_80956F4(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    FreeOamMatrix(sprite->oam.matrixNum);
+    sprite->oam.affineMode = 0;
+    CalcCenterToCornerVec(sprite, sprite->oam.shape, sprite->oam.size, sprite->oam.affineMode);
+    return TRUE;
+}
+
+bool8 sub_8095724(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    mapObject->mapobj_bit_27 = TRUE;
+    return TRUE;
+}
+
+bool8 sub_8095730(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    mapObject->mapobj_bit_27 = FALSE;
+    return TRUE;
+}
+
+#define affine_an_walk_any_2_macro(name, fn, fn2, action, anim, ...)\
+bool8 name##_2(struct MapObject *, struct Sprite *);\
+bool8 name(struct MapObject *mapObject, struct Sprite *sprite)\
+{\
+    fn(mapObject, sprite, __VA_ARGS__);\
+    sprite->affineAnimPaused = FALSE;\
+    action(sprite, anim);\
+    return name##_2(mapObject, sprite);\
+}\
+bool8 name##_2(struct MapObject *mapObject, struct Sprite *sprite)\
+{\
+    if (fn2(mapObject, sprite))\
+    {\
+        sprite->affineAnimPaused = TRUE;\
+        sprite->data2 = 2;\
+        return TRUE;\
+    }\
+    return FALSE;\
+}\
+
+affine_an_walk_any_2_macro(sub_8095740, sub_8093B60, an_walk_any_2, StartSpriteAffineAnimIfDifferent, 0, DIR_SOUTH)
+affine_an_walk_any_2_macro(sub_80957A0, sub_8093B60, an_walk_any_2, ChangeSpriteAffineAnimIfDifferent, 1, DIR_SOUTH)
+affine_an_walk_any_2_macro(sub_8095800, do_go_anim, npc_obj_ministep_stop_on_arrival, ChangeSpriteAffineAnimIfDifferent, 2, DIR_WEST, 1)
+affine_an_walk_any_2_macro(sub_8095860, do_go_anim, npc_obj_ministep_stop_on_arrival, ChangeSpriteAffineAnimIfDifferent, 3, DIR_EAST, 1)
+
+static void sub_80958C0(struct MapObject *mapObject, struct Sprite *sprite, u8 direction)
+{
+    FieldObjectSetDirection(mapObject, direction);
+    npc_coords_shift_still(mapObject);
+    obj_npc_animation_step(mapObject, sprite, sub_80929FC(direction));
+    sprite->animPaused = TRUE;
+    sprite->data2 = 1;
+}
+
+bool8 sub_8095900(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    sub_80958C0(mapObject, sprite, DIR_SOUTH);
+    return TRUE;
+}
+
+bool8 sub_8095910(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    sub_80958C0(mapObject, sprite, DIR_NORTH);
+    return TRUE;
+}
+
+bool8 sub_8095920(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    sub_80958C0(mapObject, sprite, DIR_WEST);
+    return TRUE;
+}
+
+bool8 sub_8095930(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    sub_80958C0(mapObject, sprite, DIR_EAST);
+    return TRUE;
+}
+
+#define set_dirn_and_anim__an_proceed(name, direction, anims)\
+bool8 name(struct MapObject *mapObject, struct Sprite *sprite)\
+{\
+    npc_set_direction_and_anim__an_proceed(mapObject, sprite, direction, anims(direction));\
+    return FALSE;\
+}
+
+set_dirn_and_anim__an_proceed(sub_8095940, DIR_SOUTH, sub_80929BC)
+set_dirn_and_anim__an_proceed(sub_8095964, DIR_NORTH, sub_80929BC)
+set_dirn_and_anim__an_proceed(sub_8095988, DIR_WEST,  sub_80929BC)
+set_dirn_and_anim__an_proceed(sub_80959AC, DIR_EAST,  sub_80929BC)
+set_dirn_and_anim__an_proceed(sub_80959D0, DIR_SOUTH, sub_80929DC)
+set_dirn_and_anim__an_proceed(sub_80959F4, DIR_NORTH, sub_80929DC)
+set_dirn_and_anim__an_proceed(sub_8095A18, DIR_WEST,  sub_80929DC)
+set_dirn_and_anim__an_proceed(sub_8095A3C, DIR_EAST,  sub_80929DC)
+set_dirn_and_anim__an_proceed(sub_8095A60, DIR_SOUTH, sub_80929EC)
+set_dirn_and_anim__an_proceed(sub_8095A84, DIR_NORTH, sub_80929EC)
+set_dirn_and_anim__an_proceed(sub_8095AA8, DIR_WEST,  sub_80929EC)
+set_dirn_and_anim__an_proceed(sub_8095ACC, DIR_EAST,  sub_80929EC)
+
+void sub_8095AF0(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    sub_8097750(sprite);
+    sprite->animPaused = FALSE;
+}
+
+bool8 sub_8095B0C(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (sub_8097758(sprite))
+    {
+        npc_coords_shift_still(mapObject);
+        mapObject->mapobj_bit_3 = TRUE;
+        sprite->animPaused = TRUE;
+        return TRUE;
+    }
+    return FALSE;
+}
+
+bool8 sub_8095B44(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    sub_8095AF0(mapObject, sprite);
+    sprite->data2 = 1;
+    return sub_8095B64(mapObject, sprite);
+}
+
+bool8 sub_8095B64(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (sub_8095B0C(mapObject, sprite))
+    {
+        sprite->data2 = 2;
+        return TRUE;
+    }
+    return FALSE;
+}
+
+void sub_8095B84(struct MapObject *mapObject, struct Sprite *sprite, u8 direction, u8 speed, u8 a4)
+{
+    sub_8093FC4(mapObject, sprite, direction, speed, a4);
+    StartSpriteAnimIfDifferent(sprite, sub_80929BC(direction));
+    DoShadowFieldEffect(mapObject);
+}
+
+maybe_shadow_1_macro(sub_8095BC8, sub_8095B84, sub_80941B0, DIR_SOUTH, 0, 1)
+maybe_shadow_1_macro(sub_8095C20, sub_8095B84, sub_80941B0, DIR_NORTH, 0, 1)
+maybe_shadow_1_macro(sub_8095C78, sub_8095B84, sub_80941B0, DIR_WEST,  0, 1)
+maybe_shadow_1_macro(sub_8095CD0, sub_8095B84, sub_80941B0, DIR_EAST,  0, 1)
+maybe_shadow_1_macro(sub_8095D28, sub_8095B84, sub_80941B0, DIR_SOUTH, 1, 1)
+maybe_shadow_1_macro(sub_8095D80, sub_8095B84, sub_80941B0, DIR_NORTH, 1, 1)
+maybe_shadow_1_macro(sub_8095DD8, sub_8095B84, sub_80941B0, DIR_WEST,  1, 1)
+maybe_shadow_1_macro(sub_8095E30, sub_8095B84, sub_80941B0, DIR_EAST,  1, 1)
+maybe_shadow_1_macro(sub_8095E88, sub_8095B84, sub_80941B0, DIR_SOUTH, 2, 0)
+maybe_shadow_1_macro(sub_8095EE0, sub_8095B84, sub_80941B0, DIR_NORTH, 2, 0)
+maybe_shadow_1_macro(sub_8095F38, sub_8095B84, sub_80941B0, DIR_WEST,  2, 0)
+maybe_shadow_1_macro(sub_8095F90, sub_8095B84, sub_80941B0, DIR_EAST,  2, 0)
+
+special_anim_with_timer_2(sub_8095FE8, SOUTH, sub_80929FC, 8, sub_809459C)
+special_anim_with_timer_2(sub_8096020, NORTH, sub_80929FC, 8, sub_809459C)
+special_anim_with_timer_2(sub_8096058, WEST,  sub_80929FC, 8, sub_809459C)
+special_anim_with_timer_2(sub_8096090, EAST,  sub_80929FC, 8, sub_809459C)
+
+void sub_80960C8(struct MapObject *mapObject, struct Sprite *sprite, u8 direction, u8 speed)
+{
+    npc_apply_direction(mapObject, sprite, direction, speed);
+    StartSpriteAnim(sprite, sub_80929BC(mapObject->mapobj_unk_18));
+    SeekSpriteAnim(sprite, 0);
+}
+
+an_walk_any_2_macro(sub_8096100, sub_80960C8, npc_obj_ministep_stop_on_arrival, DIR_SOUTH, 1)
+an_walk_any_2_macro(sub_8096140, sub_80960C8, npc_obj_ministep_stop_on_arrival, DIR_NORTH, 1)
+an_walk_any_2_macro(sub_8096180, sub_80960C8, npc_obj_ministep_stop_on_arrival, DIR_WEST,  1)
+an_walk_any_2_macro(sub_80961C0, sub_80960C8, npc_obj_ministep_stop_on_arrival, DIR_EAST,  1)
+
+void sub_8096200(struct MapObject *mapObject, struct Sprite *sprite, u8 direction, u8 speed)
+{
+    npc_apply_direction(mapObject, sprite, direction, speed);
+    npc_apply_anim_looping(mapObject, sprite, sub_80929FC(mapObject->mapobj_unk_18));
+}
+
+an_walk_any_2_macro(sub_8096230, sub_8096200, npc_obj_ministep_stop_on_arrival, DIR_SOUTH, 1)
+an_walk_any_2_macro(sub_8096270, sub_8096200, npc_obj_ministep_stop_on_arrival, DIR_NORTH, 1)
+an_walk_any_2_macro(sub_80962B0, sub_8096200, npc_obj_ministep_stop_on_arrival, DIR_WEST,  1)
+an_walk_any_2_macro(sub_80962F0, sub_8096200, npc_obj_ministep_stop_on_arrival, DIR_EAST,  1)
+
+void sub_8096330(struct MapObject *mapObject, struct Sprite *sprite, u8 direction, u8 speed)
+{
+    npc_apply_direction(mapObject, sprite, direction, speed);
+    StartSpriteAnim(sprite, sub_80929DC(mapObject->mapobj_unk_18));
+    SeekSpriteAnim(sprite, 0);
+}
+an_walk_any_2_macro(sub_8096368, sub_8096330, npc_obj_ministep_stop_on_arrival, DIR_SOUTH, 1)
+an_walk_any_2_macro(sub_80963A8, sub_8096330, npc_obj_ministep_stop_on_arrival, DIR_NORTH, 1)
+an_walk_any_2_macro(sub_80963E8, sub_8096330, npc_obj_ministep_stop_on_arrival, DIR_WEST,  1)
+an_walk_any_2_macro(sub_8096428, sub_8096330, npc_obj_ministep_stop_on_arrival, DIR_EAST,  1)
+
+bool8 sub_8096468(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    sub_8097FA4(mapObject);
+    sprite->data2 = 1;
+    return TRUE;
+}
+
+bool8 sub_809647C(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    sub_8098044(mapObject->mapobj_unk_1B);
+    sprite->pos2.y = 0;
+    sprite->data2 = 1;
+    return TRUE;
+}
+
+bool8 sub_8096494(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (sprite->pos2.y == 0)
+    {
+        sub_8098044(mapObject->mapobj_unk_1B);
+        sprite->data2 = 1;
+        return TRUE;
+    }
+    return FALSE;
+}
+
+bool8 sub_80964B8(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    return TRUE;
+}
+
+bool8 sub_80964BC(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    sprite->animPaused = TRUE;
+    return TRUE;
+}
+
+void npc_obj_transfer_image_anim_pause_flag(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (mapObject->mapobj_bit_10)
+    {
+        sprite->animPaused = TRUE;
+    }
+}
+
+void sub_80964E8(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (mapObject->mapobj_bit_11)
+    {
+        sprite->animPaused = FALSE;
+        mapObject->mapobj_bit_10 = FALSE;
+        mapObject->mapobj_bit_11 = FALSE;
+    }
+}
+
+void sub_8096518(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    sub_8096530(mapObject, sprite);
+    npc_update_obj_anim_flag(mapObject, sprite);
+}
+
+static void sub_8096530(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    u16 x;
+    u16 y;
+    u16 x2;
+    u16 y2;
+    const struct MapObjectGraphicsInfo *graphicsInfo;
+
+    mapObject->mapobj_bit_14 = FALSE;
+    graphicsInfo = GetFieldObjectGraphicsInfo(mapObject->graphicsId);
+    if (sprite->coordOffsetEnabled)
+    {
+        x = sprite->pos1.x + sprite->pos2.x + sprite->centerToCornerVecX + gSpriteCoordOffsetX;
+        y = sprite->pos1.y + sprite->pos2.y + sprite->centerToCornerVecY + gSpriteCoordOffsetY;
+    }
+    else
+    {
+        x = sprite->pos1.x + sprite->pos2.x + sprite->centerToCornerVecX;
+        y = sprite->pos1.y + sprite->pos2.y + sprite->centerToCornerVecY;
+    }
+    x2 = graphicsInfo->width;
+    x2 += x;
+    y2 = y;
+    y2 += graphicsInfo->height;
+    if ((s16)x >= 0x100 || (s16)x2 < -0x10)
+    {
+        mapObject->mapobj_bit_14 = TRUE;
+    }
+    if ((s16)y >= 0xB0 || (s16)y2 < -0x10)
+    {
+        mapObject->mapobj_bit_14 = TRUE;
+    }
+}
+
+static void npc_update_obj_anim_flag(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    sprite->invisible = FALSE;
+    if (mapObject->mapobj_bit_13 || mapObject->mapobj_bit_14)
+    {
+        sprite->invisible = TRUE;
+    }
+}