/*
 *  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 _PIG_H
#define _PIG_H

#include <SDL.h>

#include <stage.h>

#include "m4f.h"
#include "v3f.h"

typedef struct pig_t {
	SDL_Window	*window;
	SDL_GLContext	*gl;
	stage_t		*stage;
	unsigned	window_width, window_height;
	unsigned	windowed:1;
	m4f_t		transform;
	float		seed;
	v3f_t		color;
} pig_t;

void pig_canvas_size(pig_t *pig, int *res_width, int *res_height);
void pig_canvas_to_ndc(pig_t *pig, int x, int y, float *res_x, float *res_y);
void pig_canvas_from_ndc(pig_t *pig, float x, float y, int *res_x, int *res_y);
void pig_viewport_size(pig_t *pig, int *res_width, int *res_height);
void pig_viewport_to_ndc(pig_t *pig, int x, int y, float *res_x, float *res_y);
void pig_viewport_from_ndc(pig_t *pig, float x, float y, int *res_x, int *res_y);
uint32_t pig_viewport_id(pig_t *pig);
void pig_toggle_fullscreen(pig_t *pig);

#endif