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-rw-r--r--src/field_map_obj.c363
1 files changed, 363 insertions, 0 deletions
diff --git a/src/field_map_obj.c b/src/field_map_obj.c
index fa09959df..20c56a122 100644
--- a/src/field_map_obj.c
+++ b/src/field_map_obj.c
@@ -1,4 +1,7 @@
#include "global.h"
+#include "asm.h"
+#include "event_data.h"
+#include "field_map_obj.h"
#include "sprite.h"
extern const struct SpriteTemplate *const gFieldEffectObjectTemplatePointers[36];
@@ -7,6 +10,15 @@ extern void strange_npc_table_clear(void);
extern void ClearPlayerAvatarInfo(void);
void sub_805AAB0(void);
+u8 GetFieldObjectIdByLocalId(u8);
+u8 GetFieldObjectIdByLocalIdAndMapInternal(u8, u8, u8);
+u8 GetAvailableFieldObjectSlot(u16, u8, u8, u8 *);
+void FieldObjectHandleDynamicGraphicsId();
+void RemoveFieldObjectInternal(struct MapObject *);
+u16 GetFieldObjectFlagIdByFieldObjectId();
+
+extern const u8 gUnknown_0836DBBC[];
+extern const u8 gUnknown_0836DC09[];
void npc_clear_ids_and_state(struct MapObject *mapObj)
{
@@ -51,3 +63,354 @@ void sub_805AAB0(void)
StartSpriteAffineAnim(&gSprites[spriteId], 1);
gSprites[spriteId].invisible = 1;
}
+
+u8 sub_805AB54(void)
+{
+ u8 i;
+
+ for (i = 0; i < 16; i++)
+ {
+ if (!gMapObjects[i].active)
+ break;
+ }
+ return i;
+}
+
+u8 GetFieldObjectIdByLocalIdAndMap(u8 localId, u8 mapNum, u8 mapGroup)
+{
+ if (localId <= 0xFE)
+ return GetFieldObjectIdByLocalIdAndMapInternal(localId, mapNum, mapGroup);
+ else
+ return GetFieldObjectIdByLocalId(localId);
+}
+
+bool8 TryGetFieldObjectIdByLocalIdAndMap(u8 localId, u8 mapNum, u8 mapGroup, u8 *mapObjectId)
+{
+ *mapObjectId = GetFieldObjectIdByLocalIdAndMap(localId, mapNum, mapGroup);
+ if (*mapObjectId == 16)
+ return TRUE;
+ else
+ return FALSE;
+}
+
+u8 GetFieldObjectIdByXY(s16 x, s16 y)
+{
+ u8 i;
+
+ for (i = 0; i < 16; i++)
+ {
+ if (gMapObjects[i].active && gMapObjects[i].coords2.x == x && gMapObjects[i].coords2.y == y)
+ break;
+ }
+ return i;
+}
+
+u8 GetFieldObjectIdByLocalIdAndMapInternal(u8 localId, u8 mapNum, u8 mapGroup)
+{
+ u8 i;
+
+ for (i = 0; i < 16; i++)
+ {
+ if (gMapObjects[i].active && gMapObjects[i].localId == localId && gMapObjects[i].mapNum == mapNum && gMapObjects[i].mapGroup == mapGroup)
+ return i;
+ }
+ return 16;
+}
+
+u8 GetFieldObjectIdByLocalId(u8 localId)
+{
+ u8 i;
+
+ for (i = 0; i < 16; i++)
+ {
+ if (gMapObjects[i].active && gMapObjects[i].localId == localId)
+ return i;
+ }
+ return 16;
+}
+
+#ifdef NONMATCHING
+u8 InitFieldObjectStateFromTemplate(struct MapObjectTemplate *template, u8 b, u8 c)
+{
+ struct MapObject2 *mapObj; //TODO: resolve the mapobj_unk_19b weirdness
+ u8 var;
+ u16 r3;
+ u16 r2;
+
+ //asm("nop"::"r"(b));
+ if (GetAvailableFieldObjectSlot(template->localId, b, c, &var) != 0)
+ return 16;
+ //_0805ACCE
+ mapObj = (struct MapObject2 *)&gMapObjects[var];
+ npc_clear_ids_and_state((struct MapObject *)mapObj);
+ r3 = template->x + 7;
+ r2 = template->y + 7;
+ mapObj->active = TRUE;
+ mapObj->mapobj_bit_2 = TRUE;
+ mapObj->graphicsId = template->graphicsId;
+ mapObj->animPattern = template->movementType;
+ mapObj->localId = template->localId;
+ mapObj->mapNum = b;
+ mapObj->mapGroup = c;
+ mapObj->coords1.x = r3;
+ mapObj->coords1.y = r2;
+ mapObj->coords2.x = r3;
+ mapObj->coords2.y = r2;
+ mapObj->coords3.x = r3;
+ mapObj->coords3.y = r2;
+ mapObj->mapobj_unk_0B_0 = template->elevation;
+ mapObj->elevation = template->elevation;
+ mapObj->mapobj_unk_19 = template->unkA_0;
+ mapObj->mapobj_unk_19b = template->unkA_4;
+ mapObj->trainerType = template->unkC;
+ mapObj->trainerRange_berryTreeId = template->unkE;
+ mapObj->mapobj_unk_20 = gUnknown_0836DC09[template->movementType];
+ FieldObjectSetDirection((struct MapObject *)mapObj, mapObj->mapobj_unk_20);
+ FieldObjectHandleDynamicGraphicsId(mapObj);
+ //asm("":::"r5","r6");
+ if (gUnknown_0836DBBC[mapObj->animPattern] != 0)
+ {
+ if (mapObj->mapobj_unk_19 == 0)
+ mapObj->mapobj_unk_19++;
+ if (mapObj->mapobj_unk_19b == 0)
+ mapObj->mapobj_unk_19b++;
+ }
+ return var;
+}
+#else
+__attribute__((naked))
+u8 InitFieldObjectStateFromTemplate(struct MapObjectTemplate *template, u8 b, u8 c)
+{
+ asm(".syntax unified\n\
+ push {r4-r7,lr}\n\
+ mov r7, r9\n\
+ mov r6, r8\n\
+ push {r6,r7}\n\
+ sub sp, 0x4\n\
+ adds r5, r0, 0\n\
+ lsls r1, 24\n\
+ lsrs r6, r1, 24\n\
+ lsls r2, 24\n\
+ lsrs r7, r2, 24\n\
+ ldrb r0, [r5]\n\
+ adds r1, r6, 0\n\
+ adds r2, r7, 0\n\
+ mov r3, sp\n\
+ bl GetAvailableFieldObjectSlot\n\
+ lsls r0, 24\n\
+ cmp r0, 0\n\
+ beq _0805ACCE\n\
+ movs r0, 0x10\n\
+ b _0805ADC2\n\
+_0805ACCE:\n\
+ mov r0, sp\n\
+ ldrb r1, [r0]\n\
+ lsls r0, r1, 3\n\
+ adds r0, r1\n\
+ lsls r0, 2\n\
+ ldr r1, _0805ADD0 @ =gMapObjects\n\
+ adds r4, r0, r1\n\
+ adds r0, r4, 0\n\
+ bl npc_clear_ids_and_state\n\
+ ldrh r3, [r5, 0x4]\n\
+ adds r3, 0x7\n\
+ lsls r3, 16\n\
+ lsrs r3, 16\n\
+ ldrh r2, [r5, 0x6]\n\
+ adds r2, 0x7\n\
+ lsls r2, 16\n\
+ lsrs r2, 16\n\
+ ldrb r0, [r4]\n\
+ movs r1, 0x1\n\
+ orrs r0, r1\n\
+ movs r1, 0x4\n\
+ orrs r0, r1\n\
+ strb r0, [r4]\n\
+ ldrb r0, [r5, 0x1]\n\
+ strb r0, [r4, 0x5]\n\
+ ldrb r0, [r5, 0x9]\n\
+ strb r0, [r4, 0x6]\n\
+ ldrb r0, [r5]\n\
+ strb r0, [r4, 0x8]\n\
+ strb r6, [r4, 0x9]\n\
+ strb r7, [r4, 0xA]\n\
+ strh r3, [r4, 0xC]\n\
+ strh r2, [r4, 0xE]\n\
+ strh r3, [r4, 0x10]\n\
+ strh r2, [r4, 0x12]\n\
+ strh r3, [r4, 0x14]\n\
+ strh r2, [r4, 0x16]\n\
+ ldrb r0, [r5, 0x8]\n\
+ movs r7, 0xF\n\
+ adds r1, r7, 0\n\
+ ands r1, r0\n\
+ ldrb r2, [r4, 0xB]\n\
+ movs r0, 0x10\n\
+ negs r0, r0\n\
+ mov r8, r0\n\
+ ands r0, r2\n\
+ orrs r0, r1\n\
+ strb r0, [r4, 0xB]\n\
+ ldrb r1, [r5, 0x8]\n\
+ lsls r1, 4\n\
+ ands r0, r7\n\
+ orrs r0, r1\n\
+ strb r0, [r4, 0xB]\n\
+ ldrb r1, [r5, 0xA]\n\
+ lsls r1, 28\n\
+ movs r0, 0xF\n\
+ mov r9, r0\n\
+ lsrs r1, 28\n\
+ ldrb r2, [r4, 0x19]\n\
+ mov r0, r8\n\
+ ands r0, r2\n\
+ orrs r0, r1\n\
+ strb r0, [r4, 0x19]\n\
+ ldrb r1, [r5, 0xA]\n\
+ lsrs r1, 4\n\
+ lsls r1, 4\n\
+ ands r0, r7\n\
+ orrs r0, r1\n\
+ strb r0, [r4, 0x19]\n\
+ ldrh r0, [r5, 0xC]\n\
+ strb r0, [r4, 0x7]\n\
+ ldrh r0, [r5, 0xE]\n\
+ strb r0, [r4, 0x1D]\n\
+ ldr r1, _0805ADD4 @ =gUnknown_0836DC09\n\
+ ldrb r0, [r5, 0x9]\n\
+ adds r0, r1\n\
+ ldrb r1, [r0]\n\
+ adds r0, r4, 0\n\
+ adds r0, 0x20\n\
+ strb r1, [r0]\n\
+ ldrb r1, [r0]\n\
+ adds r0, r4, 0\n\
+ bl FieldObjectSetDirection\n\
+ adds r0, r4, 0\n\
+ bl FieldObjectHandleDynamicGraphicsId\n\
+ ldr r1, _0805ADD8 @ =gUnknown_0836DBBC\n\
+ ldrb r0, [r4, 0x6]\n\
+ adds r0, r1\n\
+ ldrb r0, [r0]\n\
+ cmp r0, 0\n\
+ beq _0805ADBE\n\
+ ldrb r2, [r4, 0x19]\n\
+ adds r0, r7, 0\n\
+ ands r0, r2\n\
+ cmp r0, 0\n\
+ bne _0805ADA6\n\
+ lsls r0, r2, 28\n\
+ lsrs r0, 28\n\
+ adds r0, 0x1\n\
+ mov r1, r9\n\
+ ands r0, r1\n\
+ mov r1, r8\n\
+ ands r1, r2\n\
+ orrs r1, r0\n\
+ strb r1, [r4, 0x19]\n\
+_0805ADA6:\n\
+ ldrb r2, [r4, 0x19]\n\
+ movs r0, 0xF0\n\
+ ands r0, r2\n\
+ cmp r0, 0\n\
+ bne _0805ADBE\n\
+ lsrs r1, r2, 4\n\
+ adds r1, 0x1\n\
+ lsls r1, 4\n\
+ adds r0, r7, 0\n\
+ ands r0, r2\n\
+ orrs r0, r1\n\
+ strb r0, [r4, 0x19]\n\
+_0805ADBE:\n\
+ mov r0, sp\n\
+ ldrb r0, [r0]\n\
+_0805ADC2:\n\
+ add sp, 0x4\n\
+ pop {r3,r4}\n\
+ mov r8, r3\n\
+ mov r9, r4\n\
+ pop {r4-r7}\n\
+ pop {r1}\n\
+ bx r1\n\
+ .align 2, 0\n\
+_0805ADD0: .4byte gMapObjects\n\
+_0805ADD4: .4byte gUnknown_0836DC09\n\
+_0805ADD8: .4byte gUnknown_0836DBBC\n\
+ .syntax divided\n");
+}
+#endif
+
+u8 sub_805ADDC(u8 localId)
+{
+ u8 objectCount;
+ u8 i;
+
+ if (gMapHeader.events == NULL)
+ return 16;
+ objectCount = gMapHeader.events->mapObjectCount;
+ for (i = 0; i < objectCount; i++)
+ {
+ struct MapObjectTemplate *template = &gSaveBlock1.mapObjectTemplates[i];
+
+ if (template->localId == localId && !FlagGet(template->unk14))
+ return InitFieldObjectStateFromTemplate(template, gSaveBlock1.location.mapNum, gSaveBlock1.location.mapGroup);
+ }
+ return 16;
+}
+
+u8 GetAvailableFieldObjectSlot(u16 a, u8 b, u8 c, u8 *d)
+{
+ u8 i = 0;
+
+ for (i = 0; i < 16 && gMapObjects[i].active; i++)
+ {
+ if (gMapObjects[i].localId == a && gMapObjects[i].mapNum == b && gMapObjects[i].mapGroup == c)
+ return 1;
+ }
+ if (i >= 16)
+ return 1;
+ *d = i;
+ for (; i < 16; i++)
+ {
+ if (gMapObjects[i].active && gMapObjects[i].localId == a && gMapObjects[i].mapNum == b && gMapObjects[i].mapGroup == c)
+ return 1;
+ }
+ return 0;
+}
+
+void RemoveFieldObject(struct MapObject *mapObject)
+{
+ mapObject->active = FALSE;
+ RemoveFieldObjectInternal(mapObject);
+}
+
+void RemoveFieldObjectByLocalIdAndMap(u8 localId, u8 mapNum, u8 mapGroup)
+{
+ u8 mapObjectId;
+
+ if (TryGetFieldObjectIdByLocalIdAndMap(localId, mapNum, mapGroup, &mapObjectId))
+ return;
+ FlagSet(GetFieldObjectFlagIdByFieldObjectId(mapObjectId));
+ RemoveFieldObject(&gMapObjects[mapObjectId]);
+}
+
+void RemoveFieldObjectInternal(struct MapObject *mapObject)
+{
+ struct SpriteFrameImage image;
+ struct MapObjectGraphicsInfo *gfxInfo = GetFieldObjectGraphicsInfo(mapObject->graphicsId);
+
+ image.size = gfxInfo->size;
+ gSprites[mapObject->spriteId].images = &image;
+ DestroySprite(&gSprites[mapObject->spriteId]);
+}
+
+void npc_hide_all_but_player(void)
+{
+ u8 i;
+
+ for (i = 0; i < 16; i++)
+ {
+ if (i != gPlayerAvatar.mapObjectId)
+ RemoveFieldObject(&gFieldObjects[i]);
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-06 17:33:30 +0000