player rotates and moves, rays for raycasting on map

srcs/player/player_limits.c

@@ -0,0 +1,30 @@
+#include "cube3d.h"
+
+int	is_wall(t_game *game, int cell_x, int cell_y)
+{
+	if (cell_x < 0 || cell_y < 0)
+		return (1);
+	if (cell_x > game->map_size_x || cell_y > game->map_size_y)
+		return (1);
+	if (game->map[cell_y][cell_x] != '0')
+		return (1);
+	return (0);
+}
+
+int	plr_out_limits(t_game *game, int x, int y)
+{
+	int	xmax;
+	int	ymax;
+	int	cell_x;
+	int	cell_y;
+
+	xmax = game->sizel / (game->bpp / 8);
+	ymax = game->win_size_y;
+	cell_x = x / game->cell;
+	cell_y = y / game->cell;
+	if (is_wall(game, cell_x, cell_y))
+		return (1);
+	if (x < 0 || y < 0 || x > xmax || y > ymax)
+		return (1);
+	return (0);
+}

srcs/player/player_moves.c

@@ -0,0 +1,65 @@
+#include "cube3d.h"
+
+void	plr_posx_decrement(t_game *game)
+{
+	double	pos_x;
+	double	pos_y;
+
+	pos_x = game->plr_exact_x - 5;
+	pos_y = game->plr_exact_y;
+	rotate_double(game, &pos_x, &pos_y);
+	if (plr_out_limits(game, pos_x, pos_y))
+		return ;
+	game->plr_exact_x = pos_x;
+	game->plr_exact_y = pos_y;
+	(game->plr_x) = (int)pos_x;
+	(game->plr_y) = (int)pos_y;
+}
+
+void	plr_posy_decrement(t_game *game)
+{
+	double	pos_x;
+	double	pos_y;
+
+	pos_x = game->plr_exact_x;
+	pos_y = game->plr_exact_y - 5;
+	rotate_double(game, &pos_x, &pos_y);
+	if (plr_out_limits(game, pos_x, pos_y))
+		return ;
+	game->plr_exact_x = pos_x;
+	game->plr_exact_y = pos_y;
+	(game->plr_x) = (int)pos_x;
+	(game->plr_y) = (int)pos_y;
+}
+
+void	plr_posx_increment(t_game *game)
+{
+	double	pos_x;
+	double	pos_y;
+
+	pos_x = game->plr_exact_x + 5;
+	pos_y = game->plr_exact_y;
+	rotate_double(game, &pos_x, &pos_y);
+	if (plr_out_limits(game, pos_x, pos_y))
+		return ;
+	game->plr_exact_x = pos_x;
+	game->plr_exact_y = pos_y;
+	(game->plr_x) = (int)pos_x;
+	(game->plr_y) = (int)pos_y;
+}
+
+void	plr_posy_increment(t_game *game)
+{
+	double	pos_x;
+	double	pos_y;
+
+	pos_x = game->plr_exact_x;
+	pos_y = game->plr_exact_y + 5;
+	rotate_double(game, &pos_x, &pos_y);
+	if (plr_out_limits(game, pos_x, pos_y))
+		return ;
+	game->plr_exact_x = pos_x;
+	game->plr_exact_y = pos_y;
+	(game->plr_x) = (int)pos_x;
+	(game->plr_y) = (int)pos_y;
+}

srcs/player/player_rotates.c

@@ -0,0 +1,35 @@
+#include "cube3d.h"
+
+void	plr_turn_left(t_game *game)
+{
+	double	radi;
+	double	radj;
+
+	if (game->rot == -180)
+		(game->rot) *= -1;
+	(game->rot)--;
+	// calculate trigo for rotations
+	radi = game->rot * M_PI / 180;
+	radj = radi + (M_PI / 2);
+	game->cosi = cos(radi);
+	game->sini = sin(radi);
+	game->cosj = cos(radj);
+	game->sinj = sin(radj);
+}
+
+void	plr_turn_right(t_game *game)
+{
+	double	radi;
+	double	radj;
+
+	if (game->rot == 180)
+		(game->rot) *= -1;
+	(game->rot)++;
+	// calculate trigo for rotations
+	radi = game->rot * M_PI / 180;
+	radj = radi + (M_PI / 2);
+	game->cosi = cos(radi);
+	game->sini = sin(radi);
+	game->cosj = cos(radj);
+	game->sinj = sin(radj);
+}