G2D.h

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#ifndef _DOLPHIN_G2D_H_
#define _DOLPHIN_G2D_H_
 
#include <dolphin/gx.h>
 
typedef enum G2DMatCtg {
    G2D_CTG_TEXTURE,
    G2D_CTG_RGB_DIRECT,
    G2D_CTG_RGBA_INDEX8,
    G2D_CTG_EMPTY,
} G2DMatCtg;
 
typedef struct G2DSprite {
    u16 nTlcS; // "Top Left Corner"
    u16 nTlcT;
    u16 nWidth;
    u16 nHeight;
    GXTexObj* to;
    f32 rS0;
    f32 rT0;
    f32 rS1;
    f32 rT1;
} G2DSprite;
 
typedef struct G2DPosOri {
    f32 rPosX;
    f32 rPosY;
    f32 rOriX;
    f32 rOriY;
} G2DPosOri;
 
typedef struct G2DGlob {
    u16 nViewportTlcX;
    u16 nViewportTlcY;
    u16 nViewportWidth;
    u16 nViewportHeight;
    G2DPosOri poCam;
    f32 rWorldX;
    f32 rWorldY;
    f32 rHalfX;
    f32 rHalfY;
} G2DGlob;
 
typedef struct G2DMatDesc {
    s32 nReserved;
    G2DMatCtg nCategory;
    GXColor* color;
    GXTexObj* to;
    u8* clut; // Color Look-Up Table
} G2DMatDesc;
 
typedef struct G2DTileDesc {
    u8 nMaterial;
    u8 nS;
    u8 nT;
    u8 nCI; // Color Index
    u8 aUser[4];
} G2DTileDesc;
 
typedef struct G2DLayer {
    void* map;
    s8 nHS;
    s8 nVS;
    s8 nBPI;
    s16 nTileWidth;
    s16 nTileHeight;
    s8 bWrap;
    u8 nNumMaterials;
    G2DTileDesc* tileDesc;
    G2DMatDesc* matDesc;
} G2DLayer;
 
void G2DInitSprite(G2DSprite* sprite);
void G2DDrawSprite(G2DSprite* sprite, G2DPosOri* po);
void G2DDrawLayer(G2DLayer* layer, s8* aSortBuffer);
void G2DSetCamera(G2DPosOri* po);
void G2DInitWorld(u32 nWorldX, u32 nWorldY);
void G2DSetViewport(u16 nLeft, u16 nTop, u16 nWidth, u16 nHeight);
 
#endif // _DOLPHIN_G2D_H_