init commit

sdl/first/Makefile

@@ -0,0 +1,25 @@
+#OBJS specifies which files to compile as part of the project
+OBJS = main.c
+
+#CC specifies which compiler to use
+CC = clang
+
+#COMPILER_FLAGS specifies the additional compilation options we're using
+# -w suppress all warnings
+COMPILER_FLAGS = -Wall
+
+#LINKER_FLAGS specifies the libraries we're linking against
+LINKER_FLAGS = -lSDL
+
+#OBJ_NAME specifies the name of our executable
+OBJ_NAME= first
+
+#This is the target that compiles our executable
+all	:	$(OBJS)
+	$(CC) $(OBJS) $(COMPILER_FLAGS) $(LINKER_FLAGS) -o $(OBJ_NAME)
+clean :
+	rm euhelp
+install :
+	cp euhelp /usr/bin
+uninstall : 
+	rm /usr/bin/euhelp

sdl/first/main.c

@@ -0,0 +1,116 @@
+#include "SDL/SDL.h"
+
+#define TRUE 1
+#define FALSE 0
+
+const int WINDOW_WIDTH = 640;
+const int WINDOW_HEIGHT = 480;
+const char* WINDOW_TITLE = "SDL Start";
+
+void drawSprite(SDL_Surface* imageSurface,
+								SDL_Surface* screenSurface,
+								int srcX, int srcY,
+								int dstX, int dstY,
+								int width, int height);
+
+int main(int argc, char **argv)
+{
+   SDL_Init( SDL_INIT_VIDEO );
+
+   SDL_Surface* screen = SDL_SetVideoMode( WINDOW_WIDTH, WINDOW_HEIGHT, 0,
+      SDL_HWSURFACE | SDL_DOUBLEBUF );
+   SDL_WM_SetCaption( WINDOW_TITLE, 0 );
+
+	 SDL_Surface* bitmap = SDL_LoadBMP("bat.bmp");
+	 SDL_SetColorKey( bitmap, SDL_SRCCOLORKEY, SDL_MapRGB(bitmap->format, 255, 0, 255) );
+	 
+	 int batImageX = 24;
+	 int batImageY = 63;
+	 int batWidth = 65;
+	 int batHeight = 44;
+
+	 //bat pos
+	 int batX = 100;
+	 int batY = 100;
+
+   SDL_Event event;
+   int gameRunning = TRUE;
+	 int keysHeld[323] = {FALSE};
+
+   while (gameRunning == TRUE)
+   {
+		 // Handle input
+		 if (SDL_PollEvent(&event))
+     {
+			 if (event.type == SDL_QUIT)
+       {
+				 gameRunning = FALSE;
+			 }
+
+       if (event.type == SDL_KEYDOWN) {
+				 keysHeld[event.key.keysym.sym] = TRUE;
+			 }
+			 if (event.type == SDL_KEYUP)
+			 {
+				 keysHeld[event.key.keysym.sym] = FALSE;
+			 }
+		 }
+
+		 if ( keysHeld[SDLK_ESCAPE] )
+		 {
+			 gameRunning = FALSE;
+		 }
+		 if (keysHeld[SDLK_LEFT] )
+		 {
+			 batX -= 1;
+		 }
+		 if (keysHeld[SDLK_RIGHT] )
+		 {
+			 batX += 1;
+		 }
+		 if (keysHeld[SDLK_UP])
+		 {
+			 batY -= 1;
+		 }
+		 if (keysHeld[SDLK_DOWN])
+		 {
+			 batY += 1;
+		 }
+
+		 // Draw scene
+		 SDL_FillRect(screen, NULL, SDL_MapRGB(screen->format, 0, 0, 0));
+
+		 drawSprite(bitmap,
+				 				screen,
+								batImageX, batImageY,
+								batX, batY,
+								batWidth, batHeight);
+		 SDL_Flip(screen);
+   }
+		
+	 SDL_FreeSurface(bitmap);
+   SDL_Quit();
+
+   return 0;
+}
+
+void drawSprite(SDL_Surface* imageSurface,
+                SDL_Surface* screenSurface,
+                int srcX, int srcY,
+                int dstX, int dstY,
+                int width, int height)
+{
+   SDL_Rect srcRect;
+   srcRect.x = srcX;
+   srcRect.y = srcY;
+   srcRect.w = width;
+   srcRect.h = height;
+
+   SDL_Rect dstRect;
+   dstRect.x = dstX;
+   dstRect.y = dstY;
+   dstRect.w = width;
+   dstRect.h = height;
+
+   SDL_BlitSurface(imageSurface, &srcRect, screenSurface, &dstRect);
+}