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#include <iostream>
#include <cstdlib>
#include <SDL2/SDL.h>
#include <SDL2/SDL_opengl.h>
#define SCREEN_WIDTH 1280
#define SCREEN_HEIGHT 720
//#define FULLSCREEN
SDL_Window *window = NULL;
SDL_Surface *renderSurface = NULL;
SDL_GLContext mainGLContext = NULL;
const float sh = SCREEN_HEIGHT;
const float sw = SCREEN_WIDTH;
bool gameRunning = true;
int main(int argc,char **argv){
SDL_Event e;
//runs startup procedures
if(SDL_Init(SDL_INIT_VIDEO) < 0){
std::cout << "SDL was not able to initialize! Error: " << SDL_GetError() << std::endl;
}else{
atexit(SDL_Quit);
//Turn on double Buffering
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
//create the window
window = SDL_CreateWindow("Sword Swinger", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, SCREEN_WIDTH, SCREEN_HEIGHT, SDL_WINDOW_SHOWN | SDL_WINDOW_OPENGL
#ifdef FULLSCREEN
| SDL_WINDOW_FULLSCREEN
#endif // FULLSCREEN
);
if(window == NULL){
std::cout << "The window failed to generate! Error: " << SDL_GetError() << std::endl;
}else{
//set opengl context
mainGLContext = SDL_GL_CreateContext(window);
if(mainGLContext == NULL){
std::cout << "The OpenGL context failed to initialize! Error: " << SDL_GetError() << std::endl;
}
}
}
// main loop
glClearColor(1,1,1,0);
while(gameRunning){
glClear(GL_COLOR_BUFFER_BIT);
SDL_GL_SwapWindow(window);
while(SDL_PollEvent(&e)){
if(e.type==SDL_QUIT)
gameRunning=false;
}
}
//closes the window and frees resources
SDL_GL_DeleteContext(mainGLContext);
SDL_DestroyWindow(window);
return 0;
}
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