shapes.h

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#ifndef FILTERS_H
#define FILTERS_H
 
#include <common.h>
 
//~~~~~~~~~
//Constants
//~~~~~~~~~
 
typedef enum PrimitiveCode
{
    POLY3F_OPAQUE = 0x20,
    POLY3F_TRANSPARENT = 0x22,
    POLY3F_OPAQUE_SHADED = 0x30,
    POLY3F_TRANSPARENT_SHADED = 0x32,
    POLY3F_OPAQUE_TEXURED_RAW = 0x25,
    POLY3F_TRANSPARENT_TEXTURED_RAW = 0x27,
    POLY3F_OPAQUE_SHADEDANDTEXTURED_RAW = 0x34,
    POLY3F_TRANSPARENT_SHADEDANDTEXTURED_RAW = 0x36,
 
    POLY4F_OPAQUE = 0x28,
    POLY4F_TRANSPARENT = 0x2A,
    POLY4F_OPAQUE_SHADED = 0x38,
    POLY4F_TRANSPARENT_SHADED = 0x3A,
    POLY4F_OPAQUE_TEXTURED_RAW = 0x2D,
    POLY4F_TRANSPARENT_TEXTURED_RAW = 0x2F,
    POLY4F_OPAQUE_SHADEDANDTEXTURED_RAW = 0x3C,
    POLY4F_TRANSPARENT_SHADEDANDTEXTURED_RAW = 0x3E,
 
    LINE_OPAQUE = 0x40,
    LINE_TRANSPARENT = 0x42,
    LINE_OPAQUE_SHADED = 0x50,
    LINE_TRANSPARENT_SHADED = 0x52
}PrimitiveCode;
 
enum ColorModes
{
    COLORMODE_4BIT,
    COLORMODE_8BIT,
    COLORMODE_16BIT
};
 
// enum DrawOpaqueShapeColorSpaces
// {
//     RGB_DARK = 0x00,
//     RGB = 0x20,
//     CMY = 0x40
// };
 
//~~~~~~~
//Structs
//~~~~~~~
 
typedef struct Poly3F
{
 
    int tag;
 
    RGB_u8 color;
    char code;
 
    struct Vec2_u16 point1Pos;
    struct Vec2_u16 point2Pos;
    struct Vec2_u16 point3Pos;
 
} Poly3F;
 
 
typedef struct Poly4F 
{
 
    int tag;
 
    RGB_u8 color;
    char code;
 
    struct Vec2_u16 point1Pos;
    struct Vec2_u16 point2Pos;
    struct Vec2_u16 point3Pos;
    struct Vec2_u16 point4Pos;
 
} Poly4F;
 
typedef struct Poly3FShaded
{
 
    int tag;
 
    RGB_u8 color;
    char code;
 
    struct Vec2_u16 point1Pos;
 
    RGB_u8 color2;
    struct Vec2_u16 point2Pos;
 
    RGB_u8 color3;
    struct Vec2_u16 point3Pos;
 
} Poly3FShaded;
 
typedef struct Poly4FShaded
{
 
    int tag;
 
    RGB_u8 color;
    char code;
 
    struct Vec2_u16 point1Pos;
 
    RGB_u8 color2;
    struct Vec2_u16 point2Pos;
 
    RGB_u8 color3;
    struct Vec2_u16 point3Pos;
    
    RGB_u8 color4;
    struct Vec2_u16 point4Pos;
 
} Poly4FShaded;
 
typedef struct Poly4FTextured 
{
 
    int tag;
 
    RGB_u8 color;
    char code;
 
    struct Vec2_u16 point1Pos;
 
    struct Vec2_u8 texturePoint1Pos; // The X for compressed textures is doubled.
    short clut;
 
    struct Vec2_u16 point2Pos;
 
    struct Vec2_u8 texturePoint2Pos;
    short texturePage;
 
    struct Vec2_u16 point3Pos;
    struct Vec2_u8 texturePoint3Pos;
    short PADDING1;
    struct Vec2_u16 point4Pos;
    struct Vec2_u8 texturePoint4Pos;
    short PADDING2;
 
} Poly4FTextured;
 
typedef struct Poly4FShadedTextured 
{
 
    int tag;
 
    RGB_u8 color;
    char code;
 
    struct Vec2_u16 point1Pos;
 
    struct Vec2_u8 texturePoint1Pos; // The X for compressed textures is doubled.
    short clut;
 
    RGB_u8 color2;
 
    struct Vec2_u16 point2Pos;
 
    struct Vec2_u8 texturePoint2Pos;
    short texturePage;
 
    RGB_u8 color3;
 
    struct Vec2_u16 point3Pos;
 
    struct Vec2_u8 texturePoint3Pos;
    short PADDING1;
 
    RGB_u8 color4;
 
    struct Vec2_u16 point4Pos;
    struct Vec2_u8 texturePoint4Pos;
    short PADDING2;
 
} Poly4FShadedTextured;
 
typedef struct Line
{
    int tag;
 
    RGB_u8 color;                    //? 0x4 - 0x6
    char code;                      //? 0x7
 
    Vec2_u16 point1Pos;              //? 0x8-0xB
    Vec2_u16 point2Pos;              //? 0x10-0x13 
 
} Line;
 
typedef struct ShadedLine
{
    int tag;
 
    RGB_u8 colorP1;                  //? 0x4 - 0x6
    char code;                      //? 0x7
 
    Vec2_u16 point1Pos;              //? 0x8-0xB
 
    RGB_u8 colorP2;                  //? 0xC-0xE
    char PADDING5;                  //? 0xF
 
    Vec2_u16 point2Pos;              //? 0x10-0x13 
} ShadedLine;
 
 
typedef struct Poly4F_Vec3 
{
    struct Vec3 point1Pos;
    struct Vec3 point2Pos;
    struct Vec3 point3Pos;
    struct Vec3 point4Pos;
 
} Poly4F_Vec3;
 
 
typedef struct Poly4FPadded      
{
    int PADDING1;
    int PADDING2;
    int PADDING3;
    
    int tag;
 
    RGB_u8 color;
    char code;
 
    struct Vec2_u16 point1Pos;
    struct Vec2_u16 point2Pos;
    struct Vec2_u16 point3Pos;
    struct Vec2_u16 point4Pos;
 
} Poly4FPadded;
 
#endif //FILTERS_H