prosperon/source/engine/render.h

129 lines
2.2 KiB
C

#ifndef OPENGL_RENDER_H
#define OPENGL_RENDER_H
#if defined __linux__
#define SOKOL_GLCORE33
#elif __EMSCRIPTEN__
#define SOKOL_GLES3
#elif __WIN32
#define SOKOL_D3D11
#define SOKOL_WIN32_FORCE_MAIN
#elif __APPLE__
#define SOKOL_METAL
#endif
#include "sokol/sokol_gfx.h"
#include "HandmadeMath.h"
#define RGBA_MAX 255
#include "window.h"
extern struct rgba color_white;
extern struct rgba color_black;
extern int renderMode;
extern HMM_Vec3 dirl_pos;
extern HMM_Mat4 projection;
extern HMM_Mat4 hudproj;
struct camera3d {
};
typedef struct camera3d camera3d;
struct draw_p {
float x;
float y;
};
#include <chipmunk/chipmunk.h>
enum RenderMode {
LIT,
UNLIT,
WIREFRAME,
DIRSHADOWMAP,
OBJECTPICKER
};
void render_init();
void openglRender(struct window *window);
void opengl_rendermode(enum RenderMode r);
void openglInit3d(struct window *window);
void openglRender3d(struct window *window, camera3d *camera);
void capture_screen(int x, int y, int w, int h, const char *path);
void render_winsize();
void debug_draw_phys(int draw);
void set_cam_body(cpBody *body);
cpVect cam_pos();
float cam_zoom();
void add_zoom(float val);
HMM_Vec2 world2screen(HMM_Vec2 pos);
HMM_Vec2 screen2world(HMM_Vec2 pos);
sg_shader sg_compile_shader(const char *v, const char *f, sg_shader_desc *d);
void gif_rec_start(int w, int h, int cpf, int bitdepth);
void gif_rec_end(const char *path);
struct uv_n {
unsigned short u;
unsigned short v;
};
struct st_n {
struct uv_n s;
struct uv_n t;
};
struct rgba {
unsigned char r;
unsigned char g;
unsigned char b;
unsigned char a;
};
typedef struct rgba rgba;
static inline rgba vec2rgba(HMM_Vec4 v) {
return (rgba){v.e[0]*255,v.e[1]*255,v.e[2]*255,v.e[3]*255};
}
struct boundingbox {
float t;
float b;
float r;
float l;
};
struct rect {
float h, w, x, y;
};
/* Normalized S,T coordinates for rendering */
struct glrect {
float s0;
float s1;
float t0;
float t1;
};
struct boundingbox cwh2bb(HMM_Vec2 c, HMM_Vec2 wh);
float *rgba2floats(float *r, struct rgba c);
extern sg_blend_state blend_trans;
static inline float lerp(float a, float b, float f)
{
return a * (1.0-f)+(b*f);
}
#endif