From 11c24e171b4dca0b751fc3f43b4d72121106599e Mon Sep 17 00:00:00 2001
From: Dominik Kaiser <dkaiser@1-C-7.42heilbronn.de>
Date: Tue, 14 May 2024 14:12:42 +0200
Subject: [PATCH] Add map_utils.c

---
 Makefile          |  2 +-
 include/so_long.h |  5 +++--
 src/map_utils.c   | 31 +++++++++++++++++++++++++++++++
 3 files changed, 35 insertions(+), 3 deletions(-)
 create mode 100644 src/map_utils.c

diff --git a/Makefile b/Makefile
index 84d93f3..51de300 100644
--- a/Makefile
+++ b/Makefile
@@ -7,7 +7,7 @@ LIBS	=	-Llibft -lft -lm -LMLX42/build -lmlx42 -ldl -lglfw -pthread
 
 VPATH	:=	src
 SRC		=	main.c init.c loop.c input.c draw.c tilemap.c player_process.c \
-			collision.c
+			collision.c map_utils.c
 
 OBJ_DIR	:=	obj
 OBJ		:=	$(addprefix $(OBJ_DIR)/, $(SRC:%.c=%.o))
diff --git a/include/so_long.h b/include/so_long.h
index bd40371..6834620 100644
--- a/include/so_long.h
+++ b/include/so_long.h
@@ -6,7 +6,7 @@
 /*   By: dkaiser <dkaiser@student.42heilbronn.de    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/05/08 14:14:02 by dkaiser           #+#    #+#             */
-/*   Updated: 2024/05/14 12:41:08 by dkaiser          ###   ########.fr       */
+/*   Updated: 2024/05/14 13:52:05 by dkaiser          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -84,7 +84,8 @@ void			player_process(t_game *game);
 int				draw(t_game *game);
 int				draw_map(t_game *game);
 void			on_key_input(mlx_key_data_t event, void *params);
-
+t_vector		grid_to_screen_pos(t_ivector grid_pos, t_ivector tile_size);
+t_ivector		screen_to_grid_pos(t_vector screen_pos, t_ivector tile_size);
 int				check_collision(t_vector a_pos, t_vector a_size, t_vector b_pos,
 					t_vector b_size);
 
diff --git a/src/map_utils.c b/src/map_utils.c
new file mode 100644
index 0000000..54577a8
--- /dev/null
+++ b/src/map_utils.c
@@ -0,0 +1,31 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   map_utils.c                                        :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: dkaiser <dkaiser@student.42heilbronn.de    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2024/05/14 13:19:34 by dkaiser           #+#    #+#             */
+/*   Updated: 2024/05/14 13:50:23 by dkaiser          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "so_long.h"
+
+t_vector	grid_to_screen_pos(t_ivector grid_pos, t_ivector tile_size)
+{
+	t_vector	screen_pos;
+
+	screen_pos.x = grid_pos.x * tile_size.x;
+	screen_pos.y = grid_pos.y * tile_size.y;
+	return (screen_pos);
+}
+
+t_ivector screen_to_grid_pos(t_vector screen_pos, t_ivector tile_size)
+{
+    t_ivector grid_pos;
+
+    grid_pos.x = screen_pos.x / tile_size.x;
+    grid_pos.y = screen_pos.y / tile_size.y;
+    return (grid_pos);
+}
-- 
2.47.2