From 1a8fe435e7deabf06029c8e50201136518e3af73 Mon Sep 17 00:00:00 2001
From: ProjectRevoTPP <projectrevotpp@hotmail.com>
Date: Sat, 12 Aug 2017 01:26:29 -0400
Subject: split out src/ directory into categorized subdirectories.

---
 src/engine/decompress.c | 112 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 112 insertions(+)
 create mode 100644 src/engine/decompress.c

(limited to 'src/engine/decompress.c')

diff --git a/src/engine/decompress.c b/src/engine/decompress.c
new file mode 100644
index 000000000..d7f7087a7
--- /dev/null
+++ b/src/engine/decompress.c
@@ -0,0 +1,112 @@
+#include "global.h"
+#include "decompress.h"
+#include "data2.h"
+#include "species.h"
+#include "text.h"
+
+#define WRAM 0x02000000
+
+void sub_800D238(const void *src, void *dest)
+{
+    LZ77UnCompWram(src, dest);
+}
+
+void LZDecompressVram(const void *src, void *dest)
+{
+    LZ77UnCompVram(src, dest);
+}
+
+void LoadCompressedObjectPic(const struct CompressedSpriteSheet *src)
+{
+    struct SpriteSheet dest;
+
+    LZ77UnCompWram(src->data, (void *)WRAM);
+    dest.data = (void *)WRAM;
+    dest.size = src->size;
+    dest.tag = src->tag;
+    LoadSpriteSheet(&dest);
+}
+
+void LoadCompressedObjectPicOverrideBuffer(const struct CompressedSpriteSheet *src, void *buffer)
+{
+    struct SpriteSheet dest;
+
+    LZ77UnCompWram(src->data, buffer);
+    dest.data = buffer;
+    dest.size = src->size;
+    dest.tag = src->tag;
+    LoadSpriteSheet(&dest);
+}
+
+void LoadCompressedObjectPalette(const struct CompressedSpritePalette *src)
+{
+    struct SpritePalette dest;
+
+    LZ77UnCompWram(src->data, (void *)WRAM);
+    dest.data = (void *)WRAM;
+    dest.tag = src->tag;
+    LoadSpritePalette(&dest);
+}
+
+void LoadCompressedObjectPaletteOverrideBuffer(const struct CompressedSpritePalette *a, void *buffer)
+{
+    struct SpritePalette dest;
+
+    LZ77UnCompWram(a->data, buffer);
+    dest.data = buffer;
+    dest.tag = a->tag;
+    LoadSpritePalette(&dest);
+}
+
+void DecompressPicFromTable_2(const struct CompressedSpriteSheet *src, u8 b, u8 c, void *d, void *buffer, s32 species)
+{
+    if (species > SPECIES_EGG)
+        LZ77UnCompWram(gMonFrontPicTable[0].data, buffer);
+    else
+        LZ77UnCompWram(src->data, buffer);
+}
+
+void HandleLoadSpecialPokePic(const struct CompressedSpriteSheet *src, u32 b, u32 c, u32 d, void *dest, s32 species, u32 g)
+{
+    u32 frontOrBack;
+
+    // gUnknown_081FAF4C appears to be a list of pointers to locations to store poke pics for back and front pic here. the first and third pointers are used for back while the others are used for front.
+    if (dest == gUnknown_081FAF4C[0] || dest == gUnknown_081FAF4C[2])
+        frontOrBack = 0; // backPic
+    else
+        frontOrBack = 1; // frontPic
+
+    LoadSpecialPokePic(src, b, c, d, dest, species, g, frontOrBack);
+}
+
+void LoadSpecialPokePic(const struct CompressedSpriteSheet *src, u32 b, u32 c, u32 d, void *dest, s32 species, u32 g, u32 frontOrBack)
+{
+    u8 frontOrBack8 = frontOrBack;
+
+    if (species == SPECIES_UNOWN)
+    {
+        u16 i = (((g & 0x3000000) >> 18) | ((g & 0x30000) >> 12) | ((g & 0x300) >> 6) | (g & 3)) % 0x1C;
+
+        // The other Unowns are separate from Unown A.
+        if (i == 0)
+            i = SPECIES_UNOWN;
+        else
+            i += SPECIES_UNOWN_B - 1;
+
+        if (frontOrBack8 == 0)
+            LZ77UnCompWram(gMonBackPicTable[i].data, dest);
+        else
+            LZ77UnCompWram(gMonFrontPicTable[i].data, dest);
+    }
+    else if (species > SPECIES_EGG) // is species unknown? draw the ? icon
+        LZ77UnCompWram(gMonFrontPicTable[0].data, dest);
+    else
+        LZ77UnCompWram(src->data, dest);
+
+    DrawSpindaSpots(species, g, dest, frontOrBack8);
+}
+
+void Unused_LZDecompressWramIndirect(const void **src, void *dest)
+{
+    LZ77UnCompWram(*src, dest);
+}
-- 
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