Merge pull request #214 from octorock/code_080A7C00

Decompile code_080A7C00

2 files changed, 117 insertions, 2 deletions

diff --git a/src/code_080A7C00.c b/src/code_080A7C00.c
new file mode 100644
index 00000000..4038ab33
--- /dev/null
+++ b/src/code_080A7C00.c
@@ -0,0 +1,115 @@
+#include "global.h"
+#include "utils.h"
+#include "textbox.h"
+#include "save.h"
+#include "audio.h"
+#include "flags.h"
+#include "functions.h"
+#include "object.h"
+
+extern Entity* GiveItemWithCutscene();
+extern Entity* sub_080A276C(Entity*, u32, u32);
+extern void sub_08078AF0(Entity*, u32, u32);
+extern Entity* sub_0805E744(void);
+
+extern TileEntityData gSmallChests[8];
+
+void sub_080A7D44(u32, bool32);
+
+void CreateItemEntity(u32 type, u32 type2, u32 actionDelay) {
+    Entity* entity = GiveItemWithCutscene(type, type2, actionDelay);
+    if (entity != NULL) {
+        Entity* new_entity = sub_080A276C(entity, entity->type, 0);
+        entity->parent = new_entity;
+    }
+}
+
+void sub_080A7C18(u32 type, u32 type2, u32 actionDelay) {
+    Entity* entity = GiveItemWithCutscene(type, type2, actionDelay);
+    if (entity != NULL) {
+        entity->parent = &gPlayerEntity;
+        sub_08078AF0(entity, entity->type, 0);
+    }
+}
+
+Entity* GiveItemWithCutscene(s32 type, u32 type2, u32 actionDelay) {
+    Entity* entity;
+
+    if ((type == 0x3f) && (gSave.stats.filler3[0] != 0)) {
+        type = 0x57;
+        type2 = 0;
+    }
+    entity = sub_0805E744();
+    if (entity != NULL) {
+        entity->type = type;
+        entity->type2 = type2;
+        entity->actionDelay = actionDelay;
+        entity->id = OBJECT_B;
+        entity->kind = OBJECT;
+        AppendEntityToList(entity, 6);
+    }
+    return entity;
+}
+
+void ClearSmallChests(void) {
+    MemClear(&gSmallChests, sizeof(gSmallChests));
+}
+
+void sub_080A7C8C(u32 tilePos, u32 param_2) {
+    TileEntityData* data = gSmallChests;
+    bool32 found = FALSE;
+    u32 index;
+    for (index = 0; index < 8; data++) {
+        if (data->tilePos == tilePos) {
+            found = TRUE;
+            break;
+        }
+        index++;
+    }
+    if (param_2 >> 1 == ((u32)(*((u8*)&data->unk_0x6) << 0x1f) >> 0x1f)) {
+        if (found) {
+            SetLocalFlag(data->unk_0x1);
+            CreateItemEntity(data->unk_0x2, data->unk_0x3, 0);
+        } else {
+            CreateItemEntity(0x60, 0, 0);
+        }
+        sub_0807B7D8(0x74, tilePos, param_2);
+        RequestPriorityDuration(NULL, 0x78);
+        SoundReq(SFX_11B);
+    }
+}
+
+void sub_080A7CFC(u32 tilePos) {
+    u32 messageId = 0x600;
+    bool32 isTileEntity6 = FALSE;
+    TileEntityData* data = (TileEntityData*)GetCurrentRoomProperty(3);
+    if (data != NULL) {
+        do {
+            if (data->tilePos == tilePos) {
+                switch (data->type) {
+                    case SIGN:
+                        isTileEntity6 = FALSE;
+                        messageId = data->unk_0x6; // message id
+                        break;
+                    case TILE_ENTITY_6:
+                        isTileEntity6 = TRUE;
+                        messageId = data->unk_0x6;
+                        break;
+                }
+                break;
+            }
+            data += 1;
+        } while (data->tilePos != 0);
+    }
+    sub_080A7D44(messageId, isTileEntity6);
+}
+
+void sub_080A7D44(u32 messageId, bool32 isTileEntity6) {
+    if (isTileEntity6) {
+        // TILE_ENTITY_6
+        sub_08078AA8(messageId, 0);
+    } else {
+        // Read sign text
+        MessageFromTarget(messageId);
+    }
+}
diff --git a/src/loadRoom.c b/src/loadRoom.c
index 4ca4aa43..6714f00c 100644
--- a/src/loadRoom.c
+++ b/src/loadRoom.c
@@ -17,7 +17,7 @@ extern u8 gUnk_081091E4[];
 
 extern void sub_080186EC();
 extern void sub_0804B16C();
-extern void sub_080A7C7C(void);
+extern void ClearSmallChests(void);
 extern Entity* GetEmptyEntityByKind(u32 kind);
 
 void RegisterRoomEntity(Entity*, EntityData*);
@@ -115,7 +115,7 @@ void sub_0804AF0C(Entity* ent, EntityData* dat) {
 
 void sub_0804AF90(void) {
     sub_0804AFB0(gArea.pCurrentRoomInfo->properties);
-    sub_080A7C7C();
+    ClearSmallChests();
 }
 
 void sub_0804AFB0(void** properties) {