Merge pull request #342 from camthesaxman/decompile_unused_8124F94

decompile unused_8124F94

1 files changed, 126 insertions, 0 deletions

diff --git a/src/unused_8124F94.c b/src/unused_8124F94.c
new file mode 100644
index 000000000..93b569058
--- /dev/null
+++ b/src/unused_8124F94.c
@@ -0,0 +1,126 @@
+#include "global.h"
+#include "decompress.h"
+#include "palette.h"
+
+struct UnknownStruct2
+{
+    void *src;
+    u8 unk4;
+    u8 unk5;
+    u8 unk6;
+    u16 unk8;
+};
+
+struct UnknownStruct3
+{
+    u16 *paletteSrc;
+    u8 unk4;
+    u8 paletteCount;
+};
+
+struct UnknownStruct1
+{
+    u8 paletteNum;
+    u8 unk1;
+    u16 unk2;
+    u8 *dest;
+    struct UnknownStruct3 unk8[16];
+    struct UnknownStruct2 unk88[32];
+};
+
+void unref_sub_8124F94(struct UnknownStruct1 *a)
+{
+    a->unk1 = 0;
+    a->paletteNum = 0;
+    a->unk2 = 0;
+    a->dest = (void *)VRAM;
+    DmaFill16(3, 0, a->unk8, sizeof(a->unk8));
+    DmaFill16(3, 0, a->unk88, sizeof(a->unk88));
+}
+
+u8 unref_sub_8124FD8(struct UnknownStruct1 *a, const struct UnknownStruct2 *b)
+{
+    while (1)
+    {
+        s32 r6;
+        s32 temp;
+
+        // Couldn't get it to match any other way
+        if (a->unk1 < 32 && b->src == NULL)
+            return 0;
+        if (a->unk1 >= 32)
+            break;
+
+        a->unk88[a->unk1].src = b->src;
+        a->unk88[a->unk1].unk6 = b->unk6;
+        a->unk88[a->unk1].unk4 = b->unk4;
+        a->unk88[a->unk1].unk5 = b->unk5;
+        r6 = b->unk4 * b->unk5;
+        if (a->unk2 + r6 > 0x400)
+            return 2;
+        if (b->unk8 == 0)
+        {
+            DmaCopy16(3, b->src, a->dest + a->unk2 * 64, r6 * 32);
+        }
+        else
+        {
+            sub_800D238(b->src, a->dest + a->unk2 * 64);
+        }
+        a->unk88[a->unk1].unk8 = a->unk2;
+        temp = r6 + a->unk2;
+        a->unk2 = temp;
+        a->unk1++;
+        b++;
+    }
+    return 1;
+}
+
+u8 unref_sub_81250A4(struct UnknownStruct1 *a, struct UnknownStruct3 *b)
+{
+    while (1)
+    {
+        // Couldn't get it to match any other way
+        if (a->paletteNum < 16 && b->paletteSrc == NULL)
+            return 0;
+        if (a->paletteNum >= 16)
+            break;
+
+        a->unk8[a->paletteNum].paletteSrc = b->paletteSrc;
+        a->unk8[a->paletteNum].unk4 = b->unk4;
+        if (b->paletteCount == 0)
+        {
+            LoadPalette(b->paletteSrc, a->paletteNum * 16, 32);
+        }
+        else
+        {
+            u16 palette[16];
+
+            sub_800D238(b->paletteSrc, palette);
+            LoadPalette(palette, a->paletteNum * 16, 32);
+        }
+        a->unk8[a->paletteNum].paletteCount = a->paletteNum;
+        a->paletteNum = a->paletteNum + 1;
+        b++;
+    }
+    return 1;
+}
+
+u8 unref_sub_8125118(struct UnknownStruct1 *a, struct UnknownStruct3 *b)
+{
+    u16 palettes[16][16] = {0};
+    u8 r7 = b->paletteCount;
+    u8 i;
+
+    sub_800D238(b->paletteSrc, palettes);
+    for (i = a->paletteNum; i < r7; i++)
+    {
+        if (a->paletteNum + i >= 16)
+            return 1;
+        a->unk8[i].paletteSrc = b->paletteSrc;
+        a->unk8[i].unk4 = b->unk4 + i;
+        a->unk8[i].paletteCount = a->paletteNum;
+        LoadPalette(palettes[i], a->paletteNum * 16, sizeof(palettes[i]));
+        a->paletteNum++;
+    }
+    return 0;
+}