diff options
Diffstat (limited to 'src/main.cpp')
| -rw-r--r-- | src/main.cpp | 48 |
1 files changed, 42 insertions, 6 deletions
diff --git a/src/main.cpp b/src/main.cpp index 71b6595..61920e7 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -7,13 +7,12 @@ SDL_GLContext mainGLContext = NULL; bool gameRunning = true; UIClass ui; -Window win; int main(int argc,char **argv){ //runs start-up procedures if(!SDL_Init(SDL_INIT_VIDEO)){ atexit(SDL_Quit); - if(!(IMG_Init(IMG_INIT_PNG)&IMG_INIT_PNG)){ + if(!(IMG_Init(IMG_INIT_PNG|IMG_INIT_JPG)&(IMG_INIT_PNG|IMG_INIT_JPG))){ std::cout<<"Could not init image libraries!\n"<<std::endl; return -1; } @@ -41,22 +40,59 @@ int main(int argc,char **argv){ return -1; } + glClearColor(.3,.5,.8,0); + glEnable(GL_BLEND); + glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA); /************************** **** GAMELOOP **** **************************/ - win.setupRender(); + World *w=new World("res/dirt.jpg", + "res/dirt.jpg", + "res/dirt.jpg", + "res/dirt.jpg"); + while(gameRunning){ - ui.handleEvents(); - win.render(); + ui.handleEvents(); // Handle events + //a matrix is a blank canvas for the computer to draw on, the matrices are stored in a "stack" + //GL_PROJECTION has 2 matrices + //GL_MODELVIEW has 32 matrices + glMatrixMode(GL_PROJECTION); //set the matrix mode as projection so we can set the ortho size and the camera settings later on + glPushMatrix(); //push the matrix to the top of the matrix stack + glLoadIdentity(); //replace the entire matrix stack with the updated GL_PROJECTION mode + //glOrtho(0,SCREEN_WIDTH, 0,SCREEN_HEIGHT, -1,1); //set the the size of the screen + glMatrixMode(GL_MODELVIEW); //set the matrix to modelview so we can draw objects + glPushMatrix(); //push the matrix to the top of the matrix stack + glLoadIdentity(); //replace the entire matrix stack with the updated GL_MODELVIEW mode + glPushMatrix(); //basically here we put a blank canvas (new matrix) on the screen to draw on + glClear(GL_COLOR_BUFFER_BIT); //clear the matrix on the top of the stack + + /************************** + **** RENDER STUFF HERE **** + **************************/ + + /*glColor3f(1.0f, 0.0f, 0.0f); //color to red + glRectf(0,0, 50,50); //draw a test rectangle + glColor3f(0.0f, 1.0f, 0.0f); //color to blue + glRectf(50,0, 100,50); //draw a test rectangle + glColor3f(0.0f, 0.0f, 1.0f); //color to green + glRectf(100,0,150,50); //draw a test rectangle*/ + + w->draw(); + + /************************** + **** CLOSE THE LOOP **** + **************************/ + + glPopMatrix(); //take the matrix(s) off the stack to pass them to the renderer + SDL_GL_SwapWindow(window); //give the stack to SDL to render it } /************************** **** CLOSE PROGRAM **** **************************/ - //closes the window and frees resources SDL_GL_DeleteContext(mainGLContext); SDL_DestroyWindow(window); |