game.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   game.c                                             :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: ncolomer <ncolomer@student.42.fr>          +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2019/10/31 12:51:35 by ncolomer          #+#    #+#             */
/*   Updated: 2019/11/13 15:04:33 by ncolomer         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "cub3d.h"

static int
	find_sprites(t_game *game)
{
	int		i;
	int		j;
	t_pos	pos;
	char	c;
	t_tex	*tex;

	game->sprites = NULL;
	i = 0;
	while (i < game->config.rows)
	{
		j = 0;
		while (j < game->config.columns)
		{
			set_pos(&pos, j + .5, i + .5);
			c = MAP(pos, game->config);
			tex = &game->tex[TEX_SPRITE + (c - '0' - 2)];
			if (c >= '2' && c <= '4' && tex->tex
				&& !add_front_sprite(&game->sprites, 0., &pos, tex))
				return (0);
			j++;
		}
		i++;
	}
	return (1);
}

int
	exit_game(t_game *game, int code)
{
	clear_config(&game->config);
	clear_window(&game->window);
	clear_textures(game);
	clear_sprites(&game->sprites);
	exit(code);
	return (code);
}

void
	init_game(t_game *game, int save_opt)
{
	int	i;

	init_config(&game->config);
	set_pos(&game->move, 0, 0);
	set_pos(&game->x_move, 0, 0);
	set_pos(&game->rotate, 0, 0);
	game->collected = 0;
	game->options = 0x11111110;
	game->sprites = NULL;
	if (save_opt)
		game->options = game->options | FLAG_SAVE;
	i = 0;
	while (i < TEXTURES)
		game->tex[i++].tex = NULL;
}

int
	finish_init(t_game *game)
{
	if (!init_window(&game->window, &game->config))
	{
		return (exit_error(game,
			"Error:\nmlx failed to create window or image.\n"));
	}
	find_start_pos(&game->config, &game->camera);
	find_start_angle(&game->config, &game->camera);
	if (!load_textures(game))
		return (exit_error(game, "Error:\nfailed to load texture(s).\n"));
	if (!find_sprites(game))
		return (exit_error(game, "Error:\nfailed to malloc sprites.\n"));
	count_items(game);
	make_tables(game);
	return (1);
}

int
	screenshot(t_game *game)
{
	update_screen(game);
	update_ui(game);
	update_window(game);
	if (!save_bmp(game))
		exit_error(game, "Error:\nfailed to save screenshot.");
	return (exit_game(game, EXIT_SUCCESS));
}