scufpong/subprojects/scufeng-x86_64/include/scufeng/Mesh.h

#ifndef SCUFENG_SHAPE_H_
#define SCUFENG_SHAPE_H_

#include <stdbool.h>
#include <stddef.h>

#include "cglm/types.h"

typedef enum {
    SE_TRIANGLES,
    SE_TRIANGLE_STRIP,
    SE_TRIANGLE_FAN,
    SE_LINES,
    SE_LINE_STRIP
} SEDrawMode;

typedef struct {
    vec3 pos;
    vec3 scale;
    vec3 rotation;
} SETransform;

typedef struct {
    float pos[3];
    float tex_coords[2];
} SEVertex;

typedef enum {
    SE_MESH_COLOR,
    SE_MESH_TEXTURE
} SEMeshType;

typedef struct {
    unsigned int id;
    float w;
    float h;
} SEMeshTexture;

typedef struct {
    unsigned int vao;
    unsigned int vbo;
    size_t verts_n;
    int draw_mode;

    SETransform transform;

    SEMeshType type;
    union {
        SEMeshTexture texture;
        vec4 color;
    };
} SEMesh;

void SEMesh_free(SEMesh *const mesh);
void SEMesh_set_draw_mode(SEMesh *mesh, const SEDrawMode mode);
void SEMesh_render(const SEMesh *const mesh);
void SEMesh_color_set(SEMesh *const mesh, const vec4 color);
void SEMesh_rect_dims_get(const SEMesh *const mesh, vec2 dims);
void SEMesh_line_segment_coords_set(SEMesh *const mesh, const vec2 a, const vec2 b);
SEMesh SEMesh_line_segment_color_alloc(const vec2 a, const vec2 b, const vec4 color);
void SEMesh_bbox_render_2d(const SEMesh *const mesh);
void SEMesh_bbox_get_2d(
    const SEMesh *const mesh,
    float *left,
    float *right,
    float *top,
    float *bottom
);
bool SEMesh_rect_is_pos_inside(const SEMesh *const mesh, const float x, const float y);
SEMesh SEMesh_rect_color_alloc(vec4 color);
SEMesh SEMesh_string_alloc(
    const char *text,
    const float scale,
    const vec3 color
);
void SEMesh_render_multiple_2d(SEMesh *const *const meshes, const size_t meshes_n);
// void SEShape_transform_apply(SEShape *const shape);

#endif // SCUFENG_SHAPE_H_