Discover FreePolygons

config/symbols.txt

@@ -335,6 +335,7 @@ D_8003C79C = 0x8003C79C;
 D_8003C7A0 = 0x8003C7A0;
 D_8003C7A4 = 0x8003C7A4;
 D_8003C7B0 = 0x8003C7B0;
+g_pfnFreePolygons = 0x8003C7B4;
 D_8003C7B8 = 0x8003C7B8;
 g_pfnPlaySfx = 0x8003C7DC;
 D_8003C7E0 = 0x8003C7E0;
@@ -1119,6 +1120,7 @@ ReadPads = 0x800E8E48;
 SetRoomForegroundLayer = 0x800ED774;
 SetRoomBackgroundLayer = 0x800ED90C;
 LoadRoomLayer = 0x800ED9F4;
+FreePolygons = 0x800EDE78;
 CheckCollision = 0x800EF45C;
 SetNextRoomToLoad = 0x800F0BC0;
 IsAlucart = 0x800F4944;

include/dra.h

@@ -111,7 +111,7 @@ typedef struct
     s16 unk5A;
     s32 unk5C;
     s32 unk60;
-    s32 unk64;
+    s32 firstPolygonIndex;
     s16 unk68;
     s16 unk6A;
     u8 unk6C;
@@ -290,7 +290,7 @@ extern void (*D_8003C744)(s32, s32);
 extern void (*g_pfnUpdateStageEntities)(void);
 extern RoomHeader* D_8003C784;
 extern void (*g_pfnPlaySfx)(s32);
-extern void (*D_8003C7B4)(s32);
+extern void (*g_pfnFreePolygons)(s32);
 extern Unkstruct5* D_8003C808;
 extern void (*D_8003C848)(s32, s32);
 extern s32 D_8003C8C4;
@@ -553,7 +553,7 @@ void func_800EDA70(s32 *arg0);
 void func_800EDAE4(void);
 s16 func_800EDC80(u8 arg0, s32 arg1);
 s32 func_800EDD9C(u8 arg0, s32 arg1);
-void func_800EDE78(s32 index);
+void FreePolygons(s32 index);
 s32 func_800F087C(u32, u32);
 bool SetNextRoomToLoad(u32 chunkX, u32 chunkY);
 void func_800F1EB0(s32, s32, s32);

src/dra/42398.c

@@ -408,18 +408,18 @@ loop_1:
 }
 #endif
 
-void func_800EDE78(s32 index) {
-    POLY_GT4* item = &D_80086FEC[index];
-    if (item != NULL) {
+void FreePolygons(s32 polygonIndex) {
+    POLY_GT4* poly = &D_80086FEC[polygonIndex];
+    if (poly) {
         do {
-            if (item->code == 7) {
-                *(*(s32**)&item->r1) = 0; // does not make any sense?!
-                item->code = 0U;
+            if (poly->code == 7) {
+                *(*(s32**)&poly->r1) = 0; // does not make any sense?!
+                poly->code = 0U;
             }
             else
-                item->code = 0U;
-            item = item->tag;
-        } while (item != NULL);
+                poly->code = 0U;
+            poly = poly->tag;
+        } while (poly);
     }
 }
 
@@ -1655,15 +1655,15 @@ INCLUDE_ASM("asm/dra/nonmatchings/42398", func_80105408);
 
 INCLUDE_ASM("asm/dra/nonmatchings/42398", func_80105428);
 
-void func_80106590(Entity* item) {
+void func_80106590(Entity* poly) {
     int i, length;
     u32* ptr;
 
-    if (item->unk34 & 0x800000) {
-        func_800EDE78(item->unk64);
+    if (poly->unk34 & 0x800000) {
+        FreePolygons(poly->firstPolygonIndex);
     }
 
-    ptr = item;
+    ptr = poly;
     length = sizeof(Entity) / sizeof(u32);
     for (i = 0; i < length; i++)
         *ptr++ = 0;

src/st/mad/D8C8.c

@@ -25,7 +25,7 @@ extern s32 D_80096ED8[];
 extern s32 D_800973B4;
 extern POLY_GT4 D_800973B8[];
 
-#define D_8003C6B0 D_8003C7B4
+#define D_8003C6B0 g_pfnFreePolygons
 #define D_8003C6D8 g_pfnPlaySfx
 #define D_8006C26C D_8006C3B8
 #define D_80072E8A D_800733DA
@@ -442,7 +442,7 @@ void DestroyEntity(Entity* item) {
     u32* ptr;
 
     if (item->unk34 & 0x800000) {
-        D_8003C6B0(item->unk64);
+        D_8003C6B0(item->firstPolygonIndex);
     }
 
     ptr = item;

src/st/no3/377D4.c

@@ -221,7 +221,7 @@ void DestroyEntity(Entity* item) {
     u32* ptr;
 
     if (item->unk34 & 0x800000) {
-        D_8003C7B4(item->unk64);
+        g_pfnFreePolygons(item->firstPolygonIndex);
     }
 
     ptr = item;

src/st/np3/3246C.c

@@ -177,7 +177,7 @@ void DestroyEntity(Entity* item) {
     u32* ptr;
 
     if (item->unk34 & 0x800000) {
-        D_8003C7B4(item->unk64);
+        g_pfnFreePolygons(item->firstPolygonIndex);
     }
 
     ptr = item;

src/st/st0/27D64.c

@@ -422,7 +422,7 @@ void DestroyEntity(Entity* item) {
     u32* ptr;
 
     if (item->unk34 & 0x800000) {
-        D_8003C7B4(item->unk64);
+        g_pfnFreePolygons(item->firstPolygonIndex);
     }
 
     ptr = item;

src/st/wrp/6FD0.c

@@ -327,7 +327,7 @@ void DestroyEntity(Entity* item) {
     u32* ptr;
 
     if (item->unk34 & 0x800000) {
-        D_8003C7B4(item->unk64);
+        g_pfnFreePolygons(item->firstPolygonIndex);
     }
 
     ptr = item;
@@ -610,7 +610,7 @@ void CollectGold(u16 goldSize) {
 
     unk = &D_80097410;
     if (*unk) {
-        D_8003C7B4(D_80097414);
+        g_pfnFreePolygons(D_80097414);
         *unk = 0;
     }
 
@@ -693,7 +693,7 @@ void func_8018D990(Entity *arg0, s32 renderFlags) {
     s16 left, top, right, bottom;
     u8 colorIntensity;
 
-    poly = &D_80086FEC[arg0->unk64];
+    poly = &D_80086FEC[arg0->firstPolygonIndex];
     
     left = arg0->posX.Data.high - 7;
     right = arg0->posX.Data.high + 7;