decompile decompress.c

1 files changed, 118 insertions, 0 deletions

diff --git a/src/decompress.c b/src/decompress.c
new file mode 100644
index 000000000..44cd3c2c0
--- /dev/null
+++ b/src/decompress.c
@@ -0,0 +1,118 @@
+#include "global.h"
+#include "species.h"
+#include "sprite.h"
+
+#define WRAM 0x02000000
+
+extern struct SpriteSheet gMonFrontPicTable[];
+extern struct SpriteSheet gMonBackPicTable[];
+extern void *gUnknown_081FAF4C[];
+
+extern void LZ77UnCompVram(const void *src, void *dest);
+extern void LZ77UnCompWram(const void *src, void *dest);
+extern void DrawSpindaSpots(u16, u32, void *, u8);
+
+void sub_800D378(struct SpriteSheet *a, u32 b, u32 c, u32 d, void *e, s32 f, u32 g, u32 h);
+
+void sub_800D238(const void *src, void *dest)
+{
+    LZ77UnCompWram(src, dest);
+}
+
+void LZDecompressVram(const void *src, void *dest)
+{
+    LZ77UnCompVram(src, dest);
+}
+
+void LoadCompressedObjectPic(struct SpriteSheet *a)
+{
+    struct SpriteSheet spriteSheet;
+    
+    LZ77UnCompWram(a->data, (void *)WRAM);
+    spriteSheet.data = (void *)WRAM;
+    spriteSheet.size = a->size;
+    spriteSheet.tag = a->tag;
+    LoadSpriteSheet(&spriteSheet);
+}
+
+void LoadCompressedObjectPicOverrideBuffer(struct SpriteSheet *a, void *buffer)
+{
+    struct SpriteSheet spriteSheet;
+    
+    LZ77UnCompWram(a->data, buffer);
+    spriteSheet.data = buffer;
+    spriteSheet.size = a->size;
+    spriteSheet.tag = a->tag;
+    LoadSpriteSheet(&spriteSheet);
+}
+
+void LoadCompressedObjectPalette(struct SpritePalette *a)
+{
+    struct SpritePalette spritePalette;
+    
+    LZ77UnCompWram(a->data, (void *)WRAM);
+    spritePalette.data = (void *)WRAM;
+    spritePalette.tag = a->tag;
+    LoadSpritePalette(&spritePalette);
+}
+
+void LoadCompressedObjectPaletteOverrideBuffer(struct SpritePalette *a, void *buffer)
+{
+    struct SpritePalette spritePalette;
+    
+    LZ77UnCompWram(a->data, buffer);
+    spritePalette.data = buffer;
+    spritePalette.tag = a->tag;
+    LoadSpritePalette(&spritePalette);
+}
+
+void DecompressPicFromTable_2(const struct SpriteSheet *a, u8 b, u8 c, void *d, void *e, s32 f)
+{
+    if (f > 412)
+        LZ77UnCompWram(gMonFrontPicTable[0].data, e);
+    else
+        LZ77UnCompWram(a->data, e);
+}
+
+void sub_800D334(struct SpriteSheet *a, u32 b, u32 c, u32 d, void *dest, s32 f, u32 g)
+{
+    u32 unk;
+    
+    if (dest == gUnknown_081FAF4C[0] || dest == gUnknown_081FAF4C[2])
+        unk = 0;
+    else
+        unk = 1;
+    sub_800D378(a, b, c, d, dest, f, g, unk);
+}
+
+void sub_800D378(struct SpriteSheet *a, u32 b, u32 c, u32 d, void *dest, s32 f, u32 g, u32 h)
+{
+    u8 r7 = h;
+    
+    if (f == SPECIES_UNOWN)
+    {
+        u16 r1 = (((g & 0x3000000) >> 18) | ((g & 0x30000) >> 12) | ((g & 0x300) >> 6) | (g & 3)) % 0x1C;
+        
+        if (r1 == 0)
+            r1 = SPECIES_UNOWN;
+        else
+            r1 += 412;
+        if (r7 == 0)
+            LZ77UnCompWram(gMonBackPicTable[r1].data, dest);
+        else
+            LZ77UnCompWram(gMonFrontPicTable[r1].data, dest);
+    }
+    else
+    {
+        if (f > 412)
+            LZ77UnCompWram(gMonFrontPicTable[0].data, dest);
+        else
+            LZ77UnCompWram(a->data, dest);
+    }
+    DrawSpindaSpots(f, g, dest, r7);
+}
+
+static void Unused_LZDecompressWramIndirect(const void **src, void *dest)
+{
+    LZ77UnCompWram(*src, dest);
+}