townengine/include/twn_types.h

#ifndef TWN_TYPES_H
#define TWN_TYPES_H

#include <stdint.h>

/* plain data aggregates that are accepted between public procedure boundaries */

/* 32-bit color data */
typedef struct Color {
_Alignas(4)
    uint8_t r;
    uint8_t g;
    uint8_t b;
    uint8_t a;
} Color;


/* a rectangle with the origin at the upper left (integer) */
typedef struct Recti {
_Alignas(16)
    int32_t x;
    int32_t y;
    int32_t w;
    int32_t h;
} Recti;


/* a rectangle with the origin at the upper left (floating point) */
typedef struct Rect {
_Alignas(16)
    float x;
    float y;
    float w;
    float h;
} Rect;


typedef struct Matrix4 {
    Vec4 row[4];
} Matrix4;


/* a point in some space (integer) */
typedef struct Vec2i {
_Alignas(8)
    int32_t x;
    int32_t y;
} Vec2i;


/* a point in some space (floating point) */
typedef struct Vec2 {
_Alignas(8)
    float x;
    float y;
} Vec2;


/* a point in some three dimension space (floating point) */
/* y goes up, x goes to the right */
typedef struct Vec3 {
_Alignas(16)
    float x;
    float y;
    float z;
} Vec3;


/* a point in some three dimension space (floating point) */
/* y goes up, x goes to the right */
typedef struct Vec4 {
_Alignas(16)
    float x;
    float y;
    float z;
    float w;
} Vec4;


#endif