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/*
* Copyright (C) 2020 - Vito Caputo - <vcaputo@pengaru.com>
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 3 as published
* by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _SARS_H
#define _SARS_H
#include <SDL.h>
#include <stage.h>
#include "m4f.h"
typedef enum sars_context_t {
SARS_CONTEXT_SARS,
SARS_CONTEXT_HUNGRYCAT,
SARS_CONTEXT_GAME,
SARS_CONTEXT_CNT
} sars_context_t;
typedef enum sars_winmode_t {
SARS_WINMODE_WINDOW, /* windowed in the ideal aspect ratio (may be letterboxed if resized or --window WxH) */
SARS_WINMODE_FULLSCREEN, /* fullscreened, in the ideal aspect ratio (likely letterboxed) */
SARS_WINMODE_FILLSCREEN, /* fullscreened, in the screen's aspect ratio (likely stretched) */
SARS_WINMODE_CNT
} sars_winmode_t;
typedef struct sars_t {
SDL_Window *window;
SDL_GLContext *gl;
stage_t *stage;
unsigned window_width, window_height;
sars_winmode_t winmode;
unsigned cheat:1;
unsigned delay_seconds;
m4f_t projection_x;
m4f_t projection_x_inv;
} sars_t;
void sars_canvas_size(sars_t *sars, int *res_width, int *res_height);
void sars_canvas_to_ndc(sars_t *sars, int x, int y, float *res_x, float *res_y);
void sars_canvas_from_ndc(sars_t *sars, float x, float y, int *res_x, int *res_y);
void sars_viewport_size(sars_t *sars, int *res_width, int *res_height);
void sars_viewport_to_ndc(sars_t *sars, int x, int y, float *res_x, float *res_y);
void sars_viewport_from_ndc(sars_t *sars, float x, float y, int *res_x, int *res_y);
void sars_ndc_to_bpc(sars_t *sars, float x, float y, float *res_x, float *res_y);
void sars_viewport_to_bpc(sars_t *sars, int x, int y, float *res_x, float *res_y);
uint32_t sars_viewport_id(sars_t *sars);
void sars_render(play_t *play, void *context);
void sars_dispatch(play_t *play, void *context, SDL_Event *event);
sars_winmode_t sars_winmode_set(sars_t *sars, sars_winmode_t winmode);
#endif
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