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