From ad0fe49b1a3f7c6b0d6d622811d82ca4d6cac47a Mon Sep 17 00:00:00 2001
From: Matt Turner <mattst88@gmail.com>
Date: Fri, 22 Jan 2010 16:15:53 -0500
Subject: Clean ups. Cut down GLPong_t more.

Signed-off-by: Matt Turner <mattst88@gmail.com>
---
 glpong3d.c | 30 +++++++++++-------------------
 glpong3d.h |  1 -
 2 files changed, 11 insertions(+), 20 deletions(-)

diff --git a/glpong3d.c b/glpong3d.c
index d64faf9..ff1d064 100644
--- a/glpong3d.c
+++ b/glpong3d.c
@@ -71,6 +71,7 @@ int main(int argc, char * argv[]) {
 
 static int
 GLPong_Init(GLPong_t * GLPong) {
+	SDL_Surface * Surface = NULL;
 	SDL_Surface * temp = NULL;
 	
 	GLPong->Ball.w = 0.5f;
@@ -139,12 +140,12 @@ GLPong_Init(GLPong_t * GLPong) {
 	}
 	atexit(SDLNet_Quit);
 	
-	GLPong->Surface = SDL_SetVideoMode(GLPONG_WIDTH, GLPONG_HEIGHT, 32, SDL_OPENGL);
+	Surface = SDL_SetVideoMode(GLPONG_WIDTH, GLPONG_HEIGHT, 32, SDL_OPENGL);
 	glViewport(0, 0, GLPONG_WIDTH, GLPONG_HEIGHT);
 	
 	glMatrixMode(GL_PROJECTION);
 	glLoadIdentity();
-	gluPerspective(45.0f, GLPONG_WIDTH / GLPONG_HEIGHT, 0.1f, 50.0f);
+	gluPerspective(45.0f, GLPONG_WIDTH / GLPONG_HEIGHT, 3.0f, 9.0f);
 	
 	glMatrixMode(GL_MODELVIEW);
 	glLoadIdentity();
@@ -218,7 +219,8 @@ GLPong_HandleEvents(void) {
 	return GLPONG_NOACTION;
 }
 
-void GLPong_Move(void) {
+static void
+GLPong_Move(void) {
 	GLPong.Ball.coord.x += GLPong.Ball.xv;
 	if (GLPong.Ball.coord.x > 1.0f) {
 		GLPong.Ball.coord.x = 1.0f;
@@ -245,8 +247,11 @@ void GLPong_Move(void) {
 		GLPong.Ball.coord.z = GLPONG_FRONT_Z;
 		GLPong.Ball.zv = -GLPong.Ball.zv;
 	}
+
+#ifdef DEBUG
 	GLPong.Back.coord.x = GLPong.Ball.coord.x;
 	GLPong.Back.coord.y = GLPong.Ball.coord.y;
+#endif
 	GLPong_Collide(&GLPong.Ball, &GLPong.Front);
 }
 
@@ -256,7 +261,7 @@ void GLPong_Draw(void) {
 	glColor3f(0.0f, 1.0f, 0.0f);
 	for (count = GLPONG_FRONT_Z; count >= GLPONG_BACK_Z; count -= 1.0f) {
 		glLoadIdentity();
-		glTranslatef(0.0f, 0.0f, count);
+		glTranslatef(0.0f, 0.0f, count); /* XXX: optimize by moving glLoadIdentity out of loop? */
 		glCallList(box);
 	}
 	
@@ -333,28 +338,15 @@ NextPow2(unsigned int value) {
 }
 
 GLuint SDL_GL_SurfaceToTexture(SDL_Surface * surface) {
-	Uint32 rmask, gmask, bmask, amask;
 	GLuint texture;
 	GLenum format = GL_RGB;
 
-#if SDL_BYTEORDER == SDL_BIG_ENDIAN
-	rmask = 0xff000000;
-	gmask = 0x00ff0000;
-	bmask = 0x0000ff00;
-	amask = 0x000000ff;
-#else
-	rmask = 0x000000ff;
-	gmask = 0x0000ff00;
-	bmask = 0x00ff0000;
-	amask = 0xff000000;
-#endif
-	
-	if (surface->format->Rmask & rmask) {
+	if (surface->format->Rmask & RMASK) {
 		format = GL_RGB;
 		if (surface->format->BitsPerPixel == 32) {
 			format = GL_RGBA;
 		}
-	} else if (surface->format->Rmask & bmask) {
+	} else if (surface->format->Rmask & BMASK) {
 		format = GL_BGR;
 		if (surface->format->BitsPerPixel == 32) {
 			format = GL_BGRA;
diff --git a/glpong3d.h b/glpong3d.h
index e032fc7..318dcf0 100644
--- a/glpong3d.h
+++ b/glpong3d.h
@@ -49,7 +49,6 @@ typedef struct {
 } Ball_t;
 
 typedef struct {
-	SDL_Surface * Surface;
 	Ball_t Ball;
 	Paddle_t Front;
 	Paddle_t Back;
-- 
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