window scaling

src/main.cpp

@@ -2,20 +2,19 @@
 #include <raymath.h>
 #include "world.h"
 
-const int SCREEN_HEIGHT = 320;
-const int SCREEN_WIDTH = 320;
-
-int main() {
-	InitWindow(SCREEN_WIDTH, SCREEN_HEIGHT, "Test game");
-
-	SetTargetFPS(60);
-	
+int main() {	
 	create_world_with(1./10.);
 	
 	World& world = get_world();
+	Vector2i window_size = get_map_size("assets/map");
+	
+	InitWindow(window_size.x, window_size.y, "Zoomba");
 
+	world.set_size(window_size);
 	load_world(world,"assets/map");
+	
 
+	SetTargetFPS(60);
 	world.setup();
 
 	while (WindowShouldClose() == false) {

src/maploader.cpp

@@ -1,5 +1,4 @@
 #include <fstream>
-#include <iostream>
 #include "components.h"
 #include "world.h"
 
@@ -10,19 +9,10 @@ void load_world(World& world,const char* path) {
 	int x = 0;
 	int y = 0;
 
-	int max_x = 0;
-	int max_y = 0;
-
 	while(in.eof() == false)
 	{
 		char c;
-		in.get(c);
-		
-
-		if (max_x < x)
-			max_x = x;
-		if (max_y < y)
-			max_y = y;
+		in.get(c);	
 
 		switch (c) {
 
@@ -57,7 +47,37 @@ void load_world(World& world,const char* path) {
 		
 	}
 	
-	world.height = CELL_SIZE * (max_y-1);
-	world.width = CELL_SIZE * (max_x-1);
 }
 
+Vector2i get_map_size(const char* path){
+	std::ifstream in;
+	in.open(path);
+	
+	int x = 0;
+	int y = 0;
+
+	int max_x = 0;
+	int max_y = 0;
+
+	while(in.eof() == false)
+	{
+		char c;
+		in.get(c);
+		
+
+		if (max_x < x)
+			max_x = x;
+		if (max_y < y)
+			max_y = y;
+
+		if(c == '\n'){			
+			x = 0;
+			y++;
+		}
+		else {
+			x++;
+		}
+	}
+	
+	return {max_x * CELL_SIZE,max_y * CELL_SIZE};
+}

src/world.cpp

@@ -91,7 +91,10 @@ void World::update_grid() {
 	}
 }
 
-
+void World::set_size(Vector2i size){
+	this->width = size.x;
+	this->height = size.y; 
+}
 
 void create_world_with(float seconds_per_tick){
 	get_world().seconds_per_tick = seconds_per_tick;

src/world.h

@@ -11,6 +11,11 @@ const int GRID_COLUMNS = 20;
 const int GRID_CAPACITY = GRID_COLUMNS*GRID_ROWS;
 const int CELL_SIZE = 16;
 
+struct Vector2i{
+	int x;
+	int y;
+};
+
 /// Class that holds information about game world
 class World {
 	public:
@@ -32,6 +37,7 @@ class World {
 
 		void draw() const;	  /// Should be called at the end of frame.
 						  /// Calls draw() on every entity	
+		void set_size(Vector2i);
 	private:
 		float clock;
 		void update_grid();
@@ -40,6 +46,7 @@ class World {
 void create_world_with(float seconds_per_tick);
 World& get_world(); // Thanks, 2ndbeam, helps a lot
 int indexify_position(Vector2 vector);
+Vector2i get_map_size(const char* path);
 void load_world(World& world, const char* path);
 
 #endif