Add alterantive texture on ceiling.

include/meta.h

@@ -6,7 +6,7 @@
 /*   By: jboeve <[email protected]>+#+  */
 /*  +#+   */
 /*   Created: 2023/11/01 20:07:37 by jboeve#+##+# */
-/*   Updated: 2024/01/18 11:56:06 by jboeve        ########   odam.nl         */
+/*   Updated: 2024/01/25 00:28:17 by joppe         ########   odam.nl         */
 /**/
 /* ************************************************************************** */
 
@@ -186,6 +186,7 @@ typedef struct s_attr {
 	t_tex	w;
 	t_tex	f;
 	t_tex	c;
+	t_tex	c_alt;
 	t_rgba	floor_c;
 	t_rgba	ceiling_c;
 }	t_attr;

src/game/render_viewport.c

@@ -6,7 +6,7 @@
 /*   By: yzaim <[email protected]>                         +#+                     */
 /*                                                   +#+                      */
 /*   Created: 2024/01/08 15:28:08 by yzaim         #+#    #+#                 */
-/*   Updated: 2024/01/24 18:17:54 by jboeve        ########   odam.nl         */
+/*   Updated: 2024/01/25 00:35:46 by joppe         ########   odam.nl         */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -59,41 +59,44 @@ static void	draw_column(t_meta *meta, t_ray *ray, uint32_t col, uint32_t h)
 	}
 }
 
-void	draw_fc(mlx_image_t *image, t_vray *vray, mlx_texture_t *f_tex, mlx_texture_t *c_tex, uint32_t col, uint32_t row)
+void	draw_fc(mlx_image_t *image, t_vray *vray, mlx_texture_t *f_tex, mlx_texture_t *c_tex, mlx_texture_t *c_alt_tex, uint32_t col, uint32_t row)
 {
-	t_vec2i	cell;
-
-	cell = (t_vec2i){(int)vray->floor.x, (int)vray->floor.y};
-	// cell = vec2d_to_vec2i(floor);
-
+	const t_vec2i	cell = vec2d_to_vec2i(vray->floor);
 	// coordinate of pixel in texture
 	const t_vec2i	c_t = (t_vec2i){(int)(c_tex->width  * (vray->floor.x - cell.x)) & (c_tex->width - 1), 
 									(int)(c_tex->height * (vray->floor.y - cell.y)) & (c_tex->height - 1)};
 	const t_vec2i	f_t = (t_vec2i){(int)(f_tex->width  * (vray->floor.x - cell.x)) & (f_tex->width - 1),
 				 					(int)(f_tex->height * (vray->floor.y - cell.y)) & (f_tex->height - 1)};
 
-	vray->floor = vec2d_add(vray->floor, vray->step);
-
 	const uint32_t	c_pixel = pixel_picker(c_tex, c_t.x, c_t.y);
+	const uint32_t	c_alt_pixel = pixel_picker(c_alt_tex, c_t.x, c_t.y);
 	const uint32_t	f_pixel = pixel_picker(f_tex, f_t.x, f_t.y);
-	mlx_put_pixel(image, col, WINDOW_HEIGHT - row - 1, c_pixel);
+
+	vray->floor = vec2d_add(vray->floor, vray->step);
+
+	if (cell.y % 2 && cell.x % 2)
+		mlx_put_pixel(image, col, WINDOW_HEIGHT - row - 1, c_alt_pixel);
+	else
+		mlx_put_pixel(image, col, WINDOW_HEIGHT - row - 1, c_pixel);
+
 	mlx_put_pixel(image, col, row, f_pixel);
 }
 
 void render_viewport(mlx_image_t *image, t_player *p)
 {
 	uint32_t	col = 0;
 	uint32_t	row = 0;
-	//floor and ceiling
 
+
+	//floor and ceiling
 	if (p->should_render)
 	{
 		while (row < image->height)
 		{
 			col = 0;
 			while (col < image->width)
 			{
-				draw_fc(p->meta->image, &p->vrays[row], p->meta->attributes.f.tex, p->meta->attributes.c.tex, col, row);
+				draw_fc(p->meta->image, &p->vrays[row], p->meta->attributes.f.tex, p->meta->attributes.c.tex, p->meta->attributes.c_alt.tex, col, row);
 				col++;
 			}
 			row++;
@@ -103,7 +106,7 @@ void render_viewport(mlx_image_t *image, t_player *p)
 
 
 	col = 0;
-	while(col < image->width)
+	while (col < image->width)
 	{
 		draw_column(p->meta, &p->rays[col], col, image->height);
 		col++;

src/set_textures.c

@@ -1,17 +1,18 @@
 /* ************************************************************************** */
 /*                                                                            */
 /*                                                        ::::::::            */
-/*   set_textures.c                                     :+:    :+:            */
+/*   set_textures.c                                    :+:    :+:             */
 /*                                                     +:+                    */
 /*   By: yzaim <[email protected]>               +#+                     */
 /*                                                   +#+                      */
 /*   Created: 2024/01/08 15:56:45 by yzaim         #+#    #+#                 */
-/*   Updated: 2024/01/24 11:14:24 by yzaim         ########   odam.nl         */
+/*   Updated: 2024/01/25 00:29:36 by joppe         ########   odam.nl         */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include "parser.h"
 #include "meta.h"
+#include <stdio.h>
 
 int	set_floor_and_ceiling_textures(t_attr *attributes)
 {
@@ -27,6 +28,11 @@ int	set_floor_and_ceiling_textures(t_attr *attributes)
 		if (attributes->c.tex == NULL)
 			return (EXIT_FAILURE);
 	}
+
+	attributes->c_alt.tex = mlx_load_png("texture_examples/window_square.png");
+	if (attributes->c_alt.tex == NULL)
+		return (EXIT_FAILURE);
+
 	return (EXIT_SUCCESS);
 }
 

src/vector/vec_utils.c

@@ -1,12 +1,12 @@
 /* ************************************************************************** */
 /*                                                                            */
 /*                                                        ::::::::            */
-/*   vec_utils.c                                        :+:    :+:            */
+/*   vec_utils.c                                       :+:    :+:             */
 /*                                                     +:+                    */
 /*   By: yzaim <[email protected]>               +#+                     */
 /*                                                   +#+                      */
 /*   Created: 2024/01/08 16:09:31 by yzaim         #+#    #+#                 */
-/*   Updated: 2024/01/08 16:09:35 by yzaim         ########   odam.nl         */
+/*   Updated: 2024/01/25 00:19:05 by joppe         ########   odam.nl         */
 /*                                                                            */
 /* ************************************************************************** */