76 lines
1.9 KiB
C
76 lines
1.9 KiB
C
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#include "global.h"
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#include "main.h"
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#include "menu.h"
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#include "bg.h"
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#include "malloc.h"
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#include "palette.h"
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EWRAM_DATA u8 *gUnknown_0203CF28 = NULL;
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static const u16 gUnknown_0861D140[] = INCBIN_U16("graphics/interface/region_map.gbapal");
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extern const u8 gUnknown_0861D1A0[];
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extern const u8 gUnknown_0861DEF4[];
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extern const u8 gUnknown_0861E208[];
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extern const u8 gUnknown_0861EF64[];
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struct UnkStruct_1C4D70
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{
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u32 bg:2;
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u32 unk2:8;
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u32 unk10:2;
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u32 unk12:20;
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};
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void sub_81C4D70(struct UnkStruct_1C4D70 *template)
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{
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u8 unk;
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gUnknown_0203CF28 = Alloc(4);
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unk = template->unk10;
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if (unk == 0)
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{
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SetBgAttribute(template->bg, BG_CTRL_ATTR_WRAPAROUND, 0);
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decompress_and_copy_tile_data_to_vram(template->bg, gUnknown_0861D1A0, 0, template->unk2, unk);
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sub_8199D3C(decompress_and_copy_tile_data_to_vram(template->bg, gUnknown_0861DEF4, 0, 0, 1), template->unk2, 32, 32, unk);
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}
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else
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{
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SetBgAttribute(template->bg, BG_CTRL_ATTR_WRAPAROUND, 2);
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SetBgAttribute(template->bg, 9, 1);
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decompress_and_copy_tile_data_to_vram(template->bg, gUnknown_0861E208, 0, template->unk2, 0);
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sub_8199D3C(decompress_and_copy_tile_data_to_vram(template->bg, gUnknown_0861EF64, 0, 0, 1), template->unk2, 64, 64, 1);
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}
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ChangeBgX(template->bg, 0, 0);
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ChangeBgY(template->bg, 0, 0);
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SetBgAttribute(template->bg, BG_CTRL_ATTR_SCREENSIZE, 1);
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CpuCopy32(gUnknown_0861D140, &gPlttBufferUnfaded[0x70], 0x60);
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*gUnknown_0203CF28 = template->bg;
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}
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bool32 sub_81C4E90(void)
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{
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if (!free_temp_tile_data_buffers_if_possible())
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{
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ShowBg(*gUnknown_0203CF28);
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return FALSE;
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}
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else
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{
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return TRUE;
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}
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}
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void sub_81C4EB4(void)
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{
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if (gUnknown_0203CF28 != NULL)
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{
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FREE_AND_SET_NULL(gUnknown_0203CF28);
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}
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}
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void sub_81C4ED0(u32 a0)
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{
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ChangeBgY(*gUnknown_0203CF28, a0 * 0x100, 0);
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}
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