71 lines
1.5 KiB
C
71 lines
1.5 KiB
C
#ifndef GUARD_BG_H
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#define GUARD_BG_H
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#include "global.h"
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enum {
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BG_CTRL_ATTR_VISIBLE = 1,
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BG_CTRL_ATTR_CHARBASEINDEX = 2,
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BG_CTRL_ATTR_MAPBASEINDEX = 3,
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BG_CTRL_ATTR_SCREENSIZE = 4,
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BG_CTRL_ATTR_PALETTEMODE = 5,
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BG_CTRL_ATTR_PRIORITY = 6,
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BG_CTRL_ATTR_MOSAIC = 7,
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BG_CTRL_ATTR_WRAPAROUND = 8,
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};
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struct BgControl {
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struct BgConfig {
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u16 visible:1;
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u16 unknown_1:1;
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u16 screenSize:2;
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u16 priority:2;
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u16 mosaic:1;
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u16 wraparound:1;
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u16 charBaseIndex:2;
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u16 mapBaseIndex:5;
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u16 paletteMode:1;
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u8 unknown_2;
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u8 unknown_3;
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} configs[4];
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u16 bgVisibilityAndMode;
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};
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struct BgTemplate {
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u32 bg:2;
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u32 charBaseIndex:2;
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u32 mapBaseIndex:5;
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u32 screenSize:2;
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u32 paletteMode:1;
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u32 priority:2;
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u32 baseTile:10;
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};
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struct BgConfig2 {
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u32 baseTile:10;
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u32 basePalette:4;
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u32 unk_3:18;
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void* tilemap;
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u32 bg_x;
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u32 bg_y;
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};
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bool32 IsInvalidBg32(u8);
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void ResetBgControlStructs();
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u16 GetBgMetricTextMode(u8, u8);
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u32 GetBgMetricAffineMode(u8, u8);
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u32 GetBgType(u8);
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void SetTextModeAndHideBgs();
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bool8 IsInvalidBg(u8);
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bool32 IsTileMapOutsideWram(u8);
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void CopyRectToBgTilemapBufferRect(u8, void*, u8, u8, u8, u8, u8, u8, u8, u8, u8, u16, u16);
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void CopyTileMapEntry(u16*, u16*, s32, u32, u32);
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u32 GetTileMapIndexFromCoords(s32, s32, s32, u32, u32);
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void WriteSequenceToBgTilemapBuffer(u8, u16, u8, u8, u8, u8, u8, s16);
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#endif // GUARD_BG_H
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