Decompile mossdeep hym

4 files changed, 325 insertions, 9 deletions

diff --git a/src/contest_painting.c b/src/contest_painting.c
new file mode 100644
index 000000000..7950b7cac
--- /dev/null
+++ b/src/contest_painting.c
@@ -0,0 +1,8 @@
+#include "global.h"
+
+// IWRAM bss
+IWRAM_DATA u8 gUnknown_030011F0;
+IWRAM_DATA u16 gUnknown_030011F2;
+IWRAM_DATA u16 gUnknown_030011F4;
+IWRAM_DATA u8 gUnknown_030011F6;
+IWRAM_DATA u8 gUnknown_030011F7;
diff --git a/src/mossdeep_gym.c b/src/mossdeep_gym.c
new file mode 100644
index 000000000..e1fdb21db
--- /dev/null
+++ b/src/mossdeep_gym.c
@@ -0,0 +1,313 @@
+#include "global.h"
+#include "event_object_movement.h"
+#include "fieldmap.h"
+#include "malloc.h"
+#include "mossdeep_gym.h"
+#include "script_movement.h"
+#include "constants/event_object_movement_constants.h"
+
+// Movement scripts.
+extern const u8 gUnknown_08612698[];
+extern const u8 gUnknown_0861269C[];
+extern const u8 gUnknown_086126A0[];
+extern const u8 gUnknown_086126A4[];
+extern const u8 gUnknown_086126A8[];
+extern const u8 gUnknown_086126AA[];
+extern const u8 gUnknown_086126AC[];
+extern const u8 gUnknown_086126AE[];
+
+struct MossdeepSubStruct
+{
+    u8 unk0;
+    u8 eventTemplateId;
+};
+
+struct MossdeepStruct
+{
+    struct MossdeepSubStruct unk0[0x10];
+    u8 count;
+    u8 unk41;
+};
+
+// This file's functions.
+static void sub_81A8D60(u8 eventTemplateId, u8 arg1);
+static void sub_81A8D94(u8 eventTemplateId, u8 arg1);
+
+// EWRAM vars
+EWRAM_DATA static struct MossdeepStruct *gUnknown_0203CE50 = NULL;
+
+// code
+void sub_81A8934(u8 arg0)
+{
+    if (gUnknown_0203CE50 == NULL)
+        gUnknown_0203CE50 = AllocZeroed(sizeof(*gUnknown_0203CE50));
+
+    gUnknown_0203CE50->unk41 = arg0;
+}
+
+void sub_81A895C(void)
+{
+    u8 id;
+
+    if (gUnknown_0203CE50 != NULL)
+        FREE_AND_SET_NULL(gUnknown_0203CE50);
+
+    id = GetEventObjectIdByLocalIdAndMap(0xFF, 0, 0);
+    EventObjectClearHeldMovementIfFinished(&gEventObjects[id]);
+    sub_80D338C();
+}
+
+u16 sub_81A89A0(u8 arg0)
+{
+    u8 i;
+    struct EventObjectTemplate *events = gSaveBlock1Ptr->eventObjectTemplates;
+    u16 localId = 0;
+
+    for (i = 0; i < EVENT_OBJECT_TEMPLATES_COUNT; i++)
+    {
+        s32 var;
+        u8 r5;
+        s16 x = events[i].x + 7;
+        s16 y = events[i].y + 7;
+        u16 metatile = MapGridGetMetatileIdAt(x, y);
+
+        if (gUnknown_0203CE50->unk41 == 0)
+            var = 0x250;
+        else
+            var = 0x298;
+
+        if (metatile < 0x250)
+            continue;
+
+        if ((u8)((metatile - var) / 8) >= 5)
+            continue;
+        if ((u8)((metatile - var) / 8) != arg0)
+            continue;
+
+        r5 = (u8)((metatile - var) % 8);
+        if (r5 < 4)
+        {
+            s8 x = 0;
+            s8 y = 0;
+            const u8 *movementScript;
+
+            switch (r5)
+            {
+            case 0:
+                movementScript = gUnknown_08612698;
+                x = 1;
+                break;
+            case 1:
+                movementScript = gUnknown_0861269C;
+                y = 1;
+                break;
+            case 2:
+                movementScript = gUnknown_086126A0;
+                x = -1;
+                break;
+            case 3:
+                movementScript = gUnknown_086126A4;
+                y = -1;
+                break;
+            default:
+                continue;
+            }
+
+            events[i].x += x;
+            events[i].y += y;
+            if (GetEventObjectIdByLocalIdAndMap(events[i].localId, gSaveBlock1Ptr->location.mapNum, gSaveBlock1Ptr->location.mapGroup) != EVENT_OBJECTS_COUNT)
+            {
+                sub_81A8D60(i, r5);
+                localId = events[i].localId;
+                ScriptMovement_StartObjectMovementScript(localId, gSaveBlock1Ptr->location.mapNum, gSaveBlock1Ptr->location.mapGroup, movementScript);
+            }
+            else
+            {
+                sub_81A8D94(i, r5);
+            }
+        }
+    }
+
+    return localId;
+}
+
+void sub_81A8AF8(void)
+{
+    u8 i;
+    s32 var;
+    struct EventObjectTemplate *events;
+
+    if (gUnknown_0203CE50 == NULL)
+        return;
+
+    if (gUnknown_0203CE50->unk41 == 0)
+        var = 0x250;
+    else
+        var = 0x298;
+
+    events = gSaveBlock1Ptr->eventObjectTemplates;
+    for (i = 0; i < gUnknown_0203CE50->count; i++)
+    {
+        s32 r6;
+        s8 r0;
+        u8 eventObjectId;
+        s16 x = events[gUnknown_0203CE50->unk0[i].eventTemplateId].x + 7;
+        s16 y = events[gUnknown_0203CE50->unk0[i].eventTemplateId].y + 7;
+        u16 metatile = MapGridGetMetatileIdAt(x, y);
+
+        r0 = (u8)((metatile - var) % 8);
+        r0 -= (gUnknown_0203CE50->unk0[i].unk0);
+        if (r0 < 0 || r0 == 3)
+        {
+            if (r0 == -3)
+                r6 = 1;
+            else
+                r6 = 0;
+        }
+        else
+        {
+            if (r0 > 0)
+                r6 = 1;
+            else
+                r6 = 2;
+        }
+
+        eventObjectId = GetEventObjectIdByLocalIdAndMap(events[gUnknown_0203CE50->unk0[i].eventTemplateId].localId, gSaveBlock1Ptr->location.mapNum, gSaveBlock1Ptr->location.mapGroup);
+        if (eventObjectId != EVENT_OBJECTS_COUNT)
+        {
+            const u8 *movementScript;
+            u8 direction = gEventObjects[eventObjectId].facingDirection;
+            if (r6 == 0)
+            {
+                switch (direction)
+                {
+                case DIR_EAST:
+                    movementScript = gUnknown_086126AE;
+                    events[gUnknown_0203CE50->unk0[i].eventTemplateId].movementType = MOVEMENT_TYPE_FACE_UP;
+                    break;
+                case DIR_SOUTH:
+                    movementScript = gUnknown_086126A8;
+                    events[gUnknown_0203CE50->unk0[i].eventTemplateId].movementType = MOVEMENT_TYPE_FACE_RIGHT;
+                    break;
+                case DIR_WEST:
+                    movementScript = gUnknown_086126AA;
+                    events[gUnknown_0203CE50->unk0[i].eventTemplateId].movementType = MOVEMENT_TYPE_FACE_DOWN;
+                    break;
+                case DIR_NORTH:
+                    movementScript = gUnknown_086126AC;
+                    events[gUnknown_0203CE50->unk0[i].eventTemplateId].movementType = MOVEMENT_TYPE_FACE_LEFT;
+                    break;
+                default:
+                    continue;
+                }
+                ScriptMovement_StartObjectMovementScript(events[gUnknown_0203CE50->unk0[i].eventTemplateId].localId,
+                                                         gSaveBlock1Ptr->location.mapNum,
+                                                         gSaveBlock1Ptr->location.mapGroup,
+                                                         movementScript);
+            }
+            else if (r6 == 1)
+            {
+                switch (direction)
+                {
+                case DIR_EAST:
+                    movementScript = gUnknown_086126AA;
+                    events[gUnknown_0203CE50->unk0[i].eventTemplateId].movementType = MOVEMENT_TYPE_FACE_DOWN;
+                    break;
+                case DIR_SOUTH:
+                    movementScript = gUnknown_086126AC;
+                    events[gUnknown_0203CE50->unk0[i].eventTemplateId].movementType = MOVEMENT_TYPE_FACE_LEFT;
+                    break;
+                case DIR_WEST:
+                    movementScript = gUnknown_086126AE;
+                    events[gUnknown_0203CE50->unk0[i].eventTemplateId].movementType = MOVEMENT_TYPE_FACE_UP;
+                    break;
+                case DIR_NORTH:
+                    movementScript = gUnknown_086126A8;
+                    events[gUnknown_0203CE50->unk0[i].eventTemplateId].movementType = MOVEMENT_TYPE_FACE_RIGHT;
+                    break;
+                default:
+                    continue;
+                }
+                ScriptMovement_StartObjectMovementScript(events[gUnknown_0203CE50->unk0[i].eventTemplateId].localId,
+                                                         gSaveBlock1Ptr->location.mapNum,
+                                                         gSaveBlock1Ptr->location.mapGroup,
+                                                         movementScript);
+            }
+        }
+    }
+}
+
+static void sub_81A8D60(u8 eventTemplateId, u8 arg1)
+{
+    gUnknown_0203CE50->unk0[gUnknown_0203CE50->count].eventTemplateId = eventTemplateId;
+    gUnknown_0203CE50->unk0[gUnknown_0203CE50->count].unk0 = arg1;
+    gUnknown_0203CE50->count++;
+}
+
+static void sub_81A8D94(u8 eventTemplateId, u8 arg1)
+{
+    s8 r0;
+    s32 r6;
+    s32 var;
+    u16 movementType;
+    struct EventObjectTemplate *events = gSaveBlock1Ptr->eventObjectTemplates;
+    s16 x = events[eventTemplateId].x + 7;
+    s16 y = events[eventTemplateId].y + 7;
+    u16 metatile = MapGridGetMetatileIdAt(x, y);
+
+    if (gUnknown_0203CE50->unk41 == 0)
+        var = 0x250;
+    else
+        var = 0x298;
+
+    r0 = (u8)((metatile - var) % 8);
+    r0 -= arg1;
+    if (r0 < 0 || r0 == 3)
+        r6 = 0;
+    else if (r0 > 0 || r0 == -3)
+        r6 = 1;
+    else
+        r6 = 2;
+
+    movementType = events[eventTemplateId].movementType;
+    if (r6 == 0)
+    {
+        switch (movementType)
+        {
+        case MOVEMENT_TYPE_FACE_RIGHT:
+            events[eventTemplateId].movementType = MOVEMENT_TYPE_FACE_UP;
+            break;
+        case MOVEMENT_TYPE_FACE_DOWN:
+            events[eventTemplateId].movementType = MOVEMENT_TYPE_FACE_RIGHT;
+            break;
+        case MOVEMENT_TYPE_FACE_LEFT:
+            events[eventTemplateId].movementType = MOVEMENT_TYPE_FACE_DOWN;
+            break;
+        case MOVEMENT_TYPE_FACE_UP:
+            events[eventTemplateId].movementType = MOVEMENT_TYPE_FACE_LEFT;
+            break;
+        default:
+            break;
+        }
+    }
+    else if (r6 == 1)
+    {
+        switch (movementType)
+        {
+        case MOVEMENT_TYPE_FACE_RIGHT:
+            events[eventTemplateId].movementType = MOVEMENT_TYPE_FACE_DOWN;
+            break;
+        case MOVEMENT_TYPE_FACE_DOWN:
+            events[eventTemplateId].movementType = MOVEMENT_TYPE_FACE_LEFT;
+            break;
+        case MOVEMENT_TYPE_FACE_LEFT:
+            events[eventTemplateId].movementType = MOVEMENT_TYPE_FACE_UP;
+            break;
+        case MOVEMENT_TYPE_FACE_UP:
+            events[eventTemplateId].movementType = MOVEMENT_TYPE_FACE_RIGHT;
+            break;
+        default:
+            break;
+        }
+    }
+}
diff --git a/src/multiboot.c b/src/multiboot.c
index 7fd6df2d0..da90a55c0 100644
--- a/src/multiboot.c
+++ b/src/multiboot.c
@@ -1,7 +1,7 @@
 #include "gba/gba.h"
 #include "multiboot.h"
 
-static u16 MultiBoot_required_data[MULTIBOOT_NCHILD];
+IWRAM_DATA static u16 MultiBoot_required_data[MULTIBOOT_NCHILD];
 
 static int MultiBootSend(struct MultiBootParam *mp, u16 data);
 static int MultiBootHandShake(struct MultiBootParam *mp);
diff --git a/src/scrcmd.c b/src/scrcmd.c
index d2a6c2a17..016c0ba50 100644
--- a/src/scrcmd.c
+++ b/src/scrcmd.c
@@ -4,6 +4,7 @@
 #include "berry.h"
 #include "clock.h"
 #include "coins.h"
+#include "contest.h"
 #include "contest_link_80F57C4.h"
 #include "contest_painting.h"
 #include "data2.h"
@@ -27,6 +28,7 @@
 #include "event_obj_lock.h"
 #include "menu.h"
 #include "money.h"
+#include "mossdeep_gym.h"
 #include "mystery_event_script.h"
 #include "palette.h"
 #include "party_menu.h"
@@ -49,11 +51,6 @@
 #include "tv.h"
 #include "window.h"
 
-extern u16 sub_81A89A0(u8);
-extern void sub_81A8AF8(void);
-extern void sub_81A895C(void);
-extern void sub_81A8934(u8);
-
 typedef u16 (*SpecialFunc)(void);
 typedef void (*NativeFunc)(void);
 
@@ -66,8 +63,6 @@ static EWRAM_DATA u16 sMovingNpcMapBank = 0;
 static EWRAM_DATA u16 sMovingNpcMapId = 0;
 static EWRAM_DATA u16 sFieldEffectScriptId = 0;
 
-extern u16 gSpecialVar_ContestCategory;
-
 IWRAM_DATA u8 gUnknown_03000F30;
 
 extern const SpecialFunc gSpecials[];
@@ -2204,7 +2199,7 @@ bool8 ScrCmd_cmdD9(struct ScriptContext *ctx)
     }
 }
 
-// This command will force the Pokémon to be obedient, you don't get to make it disobedient
+// This command will force the Pokémon to be obedient, you don't get to make it disobedient.
 bool8 ScrCmd_setmonobedient(struct ScriptContext *ctx)
 {
     bool8 obedient = TRUE;