pokeheartgold/include/window.h

#ifndef POKEHEARTGOLD_WINDOW_H
#define POKEHEARTGOLD_WINDOW_H

typedef struct BGTEMPLATE {
    u32 x;
    u32 y;
    u32 bufferSize;
    u32 baseTile;
    u8 size;
    u8 colorMode;
    u8 screenBase;
    u8 charBase;
    u8 bgExtPltt;
    u8 priority;
    u8 areaOver;
    u8 dummy;
    u32 mosaic;
} BGTEMPLATE;

typedef struct BG {
    void *tilemapBuffer;
    u32 bufferSize;
    u32 baseTile;

    fx32 hOffset;
    fx32 vOffset;

    u8 mode;
    u8 size;
    u8 colorMode;
    u8 tileSize;
    u16 rotation;
    u16 unk22; // probably padding
    fx32 xScale;
    fx32 yScale;
    fx32 centerX;
    fx32 centerY;
} BG;

typedef struct BGCONFIG {
    u32 heap_id;
    u16 scrollScheduled;
    u16 bufferTransferScheduled;
    BG bgs[8];
} BGCONFIG;

typedef struct BITMAP {
    const u8 *pixels;
    u16 width;
    u16 height;
} BITMAP;

typedef struct WINDOWTEMPLATE {
    u8 bgId;
    u8 left;
    u8 top;
    u8 width;
    u8 height;
    u8 palette;
    u16 baseBlock;
} WINDOWTEMPLATE;

typedef struct WINDOW {
    BGCONFIG *bgConfig;
    u8 bgId;
    u8 tilemapLeft;
    u8 tilemapTop;
    u8 width;
    u8 height;
    u8 paletteNum;
    u16 baseTile : 15;
    u16 colorMode : 1;
    void *pixelBuffer;
} WINDOW;

enum GFBppMode {
    GF_BG_CLR_4BPP = 0,
    GF_BG_CLR_8BPP,
};

enum GFBgLayer {
    GF_BG_LYR_MAIN_0 = 0,
    GF_BG_LYR_MAIN_1,
    GF_BG_LYR_MAIN_2,
    GF_BG_LYR_MAIN_3,
    GF_BG_LYR_SUB_0,
    GF_BG_LYR_SUB_1,
    GF_BG_LYR_SUB_2,
    GF_BG_LYR_SUB_3,
    GF_BG_LYR_MAIN_CNT = 4,
    GF_BG_LYR_SUB_CNT = 4,
    GF_BG_LYR_MAIN_FIRST = GF_BG_LYR_MAIN_0,
    GF_BG_LYR_SUB_FIRST = GF_BG_LYR_SUB_0,

    GF_BG_LYR_MAIN_0_F = 1 << (GF_BG_LYR_MAIN_0 - GF_BG_LYR_MAIN_FIRST),
    GF_BG_LYR_MAIN_1_F = 1 << (GF_BG_LYR_MAIN_1 - GF_BG_LYR_MAIN_FIRST),
    GF_BG_LYR_MAIN_2_F = 1 << (GF_BG_LYR_MAIN_2 - GF_BG_LYR_MAIN_FIRST),
    GF_BG_LYR_MAIN_3_F = 1 << (GF_BG_LYR_MAIN_3 - GF_BG_LYR_MAIN_FIRST),
    GF_BG_LYR_SUB_0_F = 1 << (GF_BG_LYR_SUB_0 - GF_BG_LYR_SUB_FIRST),
    GF_BG_LYR_SUB_1_F = 1 << (GF_BG_LYR_SUB_1 - GF_BG_LYR_SUB_FIRST),
    GF_BG_LYR_SUB_2_F = 1 << (GF_BG_LYR_SUB_2 - GF_BG_LYR_SUB_FIRST),
    GF_BG_LYR_SUB_3_F = 1 << (GF_BG_LYR_SUB_3 - GF_BG_LYR_SUB_FIRST),

    GF_BG_LYR_UNALLOC = 0xFF,
};

enum GFBgType {
    GF_BG_TYPE_TEXT = 0,
    GF_BG_TYPE_AFFINE,
    GF_BG_TYPE_256x16PLTT,
};

enum GFBgCntSet {
    GF_BG_CNT_SET_COLOR_MODE = 0,
    GF_BG_CNT_SET_SCREEN_BASE,
    GF_BG_CNT_SET_CHAR_BASE,
};

enum GFBgScreenSize {
    GF_BG_SCR_SIZE_128x128 = 0,
    GF_BG_SCR_SIZE_256x256,
    GF_BG_SCR_SIZE_256x512,
    GF_BG_SCR_SIZE_512x256,
    GF_BG_SCR_SIZE_512x512,
    GF_BG_SCR_SIZE_1024x1024
};

enum BgPosAdjustOp {
    // Text layers
    BG_POS_OP_SET_X = 0,
    BG_POS_OP_ADD_X,
    BG_POS_OP_SUB_X,
    BG_POS_OP_SET_Y,
    BG_POS_OP_ADD_Y,
    BG_POS_OP_SUB_Y,

    // Affine layers
    BG_POS_OP_SET_ROT = 0,
    BG_POS_OP_ADD_ROT,
    BG_POS_OP_SUB_ROT,
    BG_POS_OP_SET_CENTERX = 9,
    BG_POS_OP_ADD_CENTERX,
    BG_POS_OP_SUB_CENTERX,
    BG_POS_OP_SET_CENTERY,
    BG_POS_OP_ADD_CENTERY,
    BG_POS_OP_SUB_CENTERY,
};

#endif //POKEHEARTGOLD_WINDOW_H