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#ifndef _RENDERER_H
#define _RENDERER_H
#include "common.h"
#include "physics.h"
extern float r_color_white[4];
extern float r_color_black[4];
extern float r_color_red[4];
extern float r_color_blue[4];
typedef struct r_window_s r_window;
struct r_window_s {
SDL_Window *window;
SDL_Renderer *renderer;
SDL_Texture *font_texture;
r_window *prev, *next;
};
int r_init(void);
void r_quit(void);
r_window *r_window_create(void);
void r_window_destroy(r_window *rw);
void r_clear(r_window *rw, float *color);
void r_flip(r_window *rw);
void r_clip_enable(r_window *rw, float x, float y, float w, float h);
void r_clip_disable(r_window *rw);
void r_draw_line(r_window *rw, float x0, float y0, float x1, float y1,
float *color);
void r_draw_rect(r_window *rw, float x, float y, float w, float h,
float *color);
#define TEXT_CENTERX 0x0001
#define TEXT_RIGHTX 0x0002
float r_text_width(float h, char *text);
void r_draw_text(r_window *rw, float x, float y, float h, char *text,
float *color, int flags);
#define XSECTION_XY 0x0001
#define XSECTION_XZ 0x0002
#define XSECTION_YZ 0x0004
#define XSECTION_PLANES (XSECTION_XY|XSECTION_XZ|XSECTION_YZ)
#define XSECTION_E 0x0008
#define XSECTION_H 0x0010
typedef struct {
SDL_Texture *texture;
float aspect_ratio;
int last_flags;
float last_frac;
int64_t frame_index;
} r_xsection;
void r_xsection_create(r_xsection *xsection);
void r_xsection_destroy(r_xsection *xsection);
int r_xsection_update(r_window *rw, r_xsection *xsection, phy_sim *sim,
int flags, float frac);
void r_xsection_draw(r_window *rw, r_xsection *xsection,
float x, float y, float w, float h);
#endif // _RENDERER_H
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