142 lines
3.5 KiB
C
142 lines
3.5 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* utils.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: apommier <apommier@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2022/02/13 23:37:02 by apommier #+# #+# */
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/* Updated: 2022/06/15 18:13:51 by apommier ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "../includes/Cub3D.h"
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void free_texture(t_data *img)
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{
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if (img->map.texture.north)
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free(img->map.texture.north);
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if (img->map.texture.south)
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free(img->map.texture.south);
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if (img->map.texture.east)
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free(img->map.texture.east);
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if (img->map.texture.west)
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free(img->map.texture.west);
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}
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int quit_game(t_data *img)
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{
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if (img->mlx)
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{
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if (img->mlx_win)
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mlx_destroy_window(img->mlx, img->mlx_win);
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mlx_destroy_display(img->mlx);
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free(img->mlx);
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}
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free_texture(img);
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if (img->map.simple_map)
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free(img->map.simple_map);
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if (img->to_be_free.tab)
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free_double(img->to_be_free.tab);
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if (img->to_be_free.tab_two)
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free_double(img->to_be_free.tab_two);
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if (img->to_be_free.str)
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free(img->to_be_free.str);
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if (img->to_be_free.fd != -1)
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close(img->to_be_free.fd);
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exit(1);
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}
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double deg_to_rad(double angle)
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{
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return (angle * 3.14159265358979323846 / 180.0);
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}
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double reset_angle(double angle)
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{
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if (angle > 359)
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angle -= 360.0;
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if (angle < 0)
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angle += 360.0;
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return (angle);
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}
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void ft_error(char *error_msg)
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{
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ft_putendl_fd(error_msg, 2);
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exit(1);
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}
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int update_pos(t_data *img)
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{
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int multiplicator;
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if (img->player.shift == 1)
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multiplicator = 4;
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else
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multiplicator = 2;
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if (img->player.front == 1)
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{
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img->player.x += img->player.vx * multiplicator;
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img->player.y += img->player.vy * multiplicator;
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}
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else if (img->player.front == -1)
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{
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img->player.x -= img->player.vx * multiplicator;
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img->player.y -= img->player.vy * multiplicator;
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}
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if (img->player.side == 1)
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{
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img->player.x -= img->player.vy;
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img->player.y += img->player.vx;
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}
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else if (img->player.side == -1)
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{
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img->player.x += img->player.vy;
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img->player.y -= img->player.vx;
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}
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if (img->player.angle_side == -1)
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{
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img->player.angle += 1;
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img->player.angle = reset_angle(img->player.angle);
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img->player.vx = cos(deg_to_rad(img->player.angle));
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img->player.vy = -sin(deg_to_rad(img->player.angle));
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}
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else if (img->player.angle_side == 1)
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{
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img->player.angle -= 1;
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img->player.angle = reset_angle(img->player.angle);
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img->player.vx = cos(deg_to_rad(img->player.angle));
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img->player.vy = -sin(deg_to_rad(img->player.angle));
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}
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return (0);
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}
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void set_back(t_data *img)
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{
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int x;
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x = 0;
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while (x < 512 * 960 * 4)
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{
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if (x > 512 * 960 * 2)
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{
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if (img->map.floor.b)
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{
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img->buffer[x + 0] = img->map.floor.b;
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img->buffer[x + 1] = img->map.floor.g;
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img->buffer[x + 2] = img->map.floor.r;
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img->buffer[x + 3] = 0;
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}
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}
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else
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{
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img->buffer[x + 0] = img->map.sky.b;
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img->buffer[x + 1] = img->map.sky.g;
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img->buffer[x + 2] = img->map.sky.r;
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img->buffer[x + 3] = 0;
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}
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x += 4;
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}
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}
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