ESC to quit; window matches native screen res

I added the option to quit the game loop with the escape key and made the window match the user's native resolution while ignoring Windows DPI.

Author: Hugo M. Ruiz-Mireles

include/RenderWindow.hpp

@@ -6,7 +6,7 @@
 class RenderWindow
 {
 public:
-	RenderWindow(const char *title, int w, int h);
+	RenderWindow(const char *title, int w, int h, Uint32 windowFlags = SDL_WINDOW_SHOWN);
 	SDL_Texture *loadTexture(const char *filePath);
 	void clear();
 	void render(Entity& entity);

src/RenderWindow.cpp

@@ -2,9 +2,9 @@
 #include "RenderWindow.hpp"
 
 
-RenderWindow::RenderWindow(const char *title, int w, int h) : window(NULL), renderer(NULL)
+RenderWindow::RenderWindow(const char *title, int w, int h, Uint32 windowFlags) : window(NULL), renderer(NULL)
 {
-	window = SDL_CreateWindow(title, SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, w, h, SDL_WINDOW_SHOWN);
+	window = SDL_CreateWindow(title, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, w, h, windowFlags);
 	if (window == NULL)
 	{
 		std::cout << "Window failed to init. ERROR: " << SDL_GetError() << std::endl;

src/meowstro.cpp

@@ -1,5 +1,7 @@
 #include <iostream>
+#include <Windows.h>
 #include <string>
+#include <SDL_ttf.h>
 #include "RenderWindow.hpp"
 #include "Entity.hpp"
 
@@ -9,8 +11,17 @@ int main(int argc, char *args[])
 		std::cout << "SDL_Init has failed, SDL ERROR: " << SDL_GetError();
 	if (!(IMG_Init(IMG_INIT_PNG)))
 		std::cout << "IMG_Init has failed, SDL ERROR: " << SDL_GetError();
-	
-	RenderWindow window("GAME v1.0", 1280, 720);
+
+	SetProcessDPIAware();
+	SDL_SetHint(SDL_HINT_VIDEO_HIGHDPI_DISABLED, "1");
+
+	int nativeWidth = GetSystemMetrics(SM_CXSCREEN);
+	int nativeHeight = GetSystemMetrics(SM_CYSCREEN);
+
+	int windowWidth = nativeWidth * 0.9;
+	int windowHeight = nativeHeight * 0.9;
+
+	RenderWindow window("Meowstro v1.0", windowWidth, windowHeight, SDL_WINDOW_SHOWN | SDL_WINDOW_RESIZABLE);
 
 #ifdef CI_BUILD
 	SDL_Delay(5000);
@@ -40,7 +51,6 @@ int main(int argc, char *args[])
 							   Entity(1092, 250, fishTextures[6]),
 							   Entity(1092, 90, fishTextures[7]) };
 
-
 	bool gameRunning = true;
 
 	SDL_Event event;
@@ -49,9 +59,18 @@ int main(int argc, char *args[])
 	{
 		while (SDL_PollEvent(&event))
 		{
-			if (event.type == SDL_QUIT)
+			switch(event.type)
 			{
+			case SDL_QUIT:
 				gameRunning = false;
+				break;
+			case SDL_KEYDOWN:
+				switch (event.key.keysym.sym)
+				{
+				case SDLK_ESCAPE:
+					gameRunning = false;
+					break;
+				}
 			}
 		}
 		window.clear();
@@ -60,12 +79,13 @@ int main(int argc, char *args[])
 		{
 			window.render(fishEntities[i]);
 		}
-		
+
 		window.display();
 	}
 
 	window.~RenderWindow();
 	SDL_Quit();
 
+
 	return 0;
 }