Change screen global variable to display

Author: Kasparsu

src/engine.c

@@ -251,7 +251,7 @@ ENGINE_start(ENGINE* engine) {
   }
 
   //Create window
-  engine->window = SDL_CreateWindow("DOME", SDL_WINDOWPOS_CENTERED_DISPLAY(SCREEN), SDL_WINDOWPOS_CENTERED_DISPLAY(SCREEN), SCREEN_WIDTH, SCREEN_HEIGHT, windowFlags);
+  engine->window = SDL_CreateWindow("DOME", SDL_WINDOWPOS_CENTERED_DISPLAY(DISPLAY), SDL_WINDOWPOS_CENTERED_DISPLAY(DISPLAY), SCREEN_WIDTH, SCREEN_HEIGHT, windowFlags);
   if(engine->window == NULL)
   {
     char* message = "Window could not be created! SDL_Error: %s\n";

src/game.c

@@ -317,7 +317,7 @@ int DOME_begin(ENGINE* engine, char* entryPath) {
   initMethod = NULL;
   engine->initialized = true;
 
-  SDL_SetWindowPosition(engine->window, SDL_WINDOWPOS_CENTERED_DISPLAY(SCREEN), SDL_WINDOWPOS_CENTERED_DISPLAY(SCREEN));
+  SDL_SetWindowPosition(engine->window, SDL_WINDOWPOS_CENTERED_DISPLAY(DISPLAY), SDL_WINDOWPOS_CENTERED_DISPLAY(DISPLAY));
   SDL_ShowWindow(engine->window);
 
   loop.lag = loop.MS_PER_FRAME;

src/main.c

@@ -78,7 +78,7 @@ global_variable WrenHandle* gamepadClass = NULL;
 global_variable WrenHandle* updateInputMethod = NULL;
 
 // These are set by cmd arguments
-global_variable int SCREEN = 0;
+global_variable int DISPLAY = 0;
 #ifdef DEBUG
 global_variable bool DEBUG_MODE = true;
 #else
@@ -359,9 +359,7 @@ int main(int argc, char* argv[])
           } break;
         case 's':
           {
-            int screen = atoi(options.optarg);
-            SCREEN = screen;
-            ENGINE_printLog(&engine, "Screen force enabled\n");
+            DISPLAY = atoi(options.optarg);
           } break;
         case 'h':
           {