From 15e2da75f4a8550b445a4ba8cb3d21c20beb007f Mon Sep 17 00:00:00 2001
From: Matt Turner <mattst88@gmail.com>
Date: Wed, 14 May 2008 16:26:15 +0000
Subject: Make quesoglc work. Still need to sort out why GLC_TRIANGLE works but
 GLC_TEXTURE doesn't.

git-svn-id: svn://mattst88.com/svn/glpong/trunk@15 449aeecc-241a-0410-943f-e2f883e2d7a2
---
 Makefile |  4 ++--
 ball.h   |  4 ++++
 fps.c    | 11 ++++-------
 fps.h    |  3 +--
 glpong.c | 21 +++++++++++----------
 text.c   | 33 +++++++++++++++++++++++++++++----
 6 files changed, 51 insertions(+), 25 deletions(-)

diff --git a/Makefile b/Makefile
index 4259e2c..5de936c 100644
--- a/Makefile
+++ b/Makefile
@@ -1,8 +1,8 @@
 CC=gcc
 STRIP=strip
 WARN=-Wall -W -ansi -pedantic
-DEFINES=-DINLINE=inline
-CFLAGS=-Os -pipe -std=c99 -g ${DEFINES} -Wall #${WARN}
+DEFINES=-DINLINE=__inline__ -DDEBUG=1
+CFLAGS=-Os -pipe -std=c99 -g ${DEFINES} ${WARN}
 LDFLAGS=-Wl,-O1
 INCLUDES=`sdl-config --cflags`
 LIBRARIES=`sdl-config --libs` -lSDL_image -lGL -lGLC
diff --git a/ball.h b/ball.h
index 4618b46..db3ee12 100644
--- a/ball.h
+++ b/ball.h
@@ -22,5 +22,9 @@ int  GLPong_BallCollide(const Ball_t * a, const Ball_t * b);
 void GLPong_BallMoveAll(Ball_t ** balls);
 void GLPong_BallDrawAll(Ball_t * balls);
 
+#ifdef DEBUG
+int length(Ball_t * balls);
+#endif
+
 #endif
 
diff --git a/fps.c b/fps.c
index 4379e38..ca2787a 100644
--- a/fps.c
+++ b/fps.c
@@ -14,14 +14,11 @@ GLPong_FPSInit() {
 	start = SDL_GetTicks();
 }
 
-void
+INLINE GLfloat
 GLPong_FPSCount() {
-	// 10.0f is the number of frames we let draw before calculating FPS
-	fps = 10.0f / (SDL_GetTicks() - start) * 1000; // 1 sec / 1 millisec == 1000
+	/* 10.0f is the number of frames we let draw before calculating FPS */
+	fps = 10.0f / (SDL_GetTicks() - start) * 1000; /* 1 sec / 1 millisec == 1000 */
 	start = SDL_GetTicks();
+	return fps;
 }
 
-void
-GLPong_FPSPrint() {
-	printf("%.2f frames per second\n", fps);
-}
diff --git a/fps.h b/fps.h
index 4b965b9..ef16ed8 100644
--- a/fps.h
+++ b/fps.h
@@ -2,8 +2,7 @@
 #define FPS_H
 
 void GLPong_FPSInit();
-void GLPong_FPSCount();
-void GLPong_FPSPrint();
+INLINE GLfloat GLPong_FPSCount();
 
 #endif
 
diff --git a/glpong.c b/glpong.c
index a1d9b53..a7c7c7e 100644
--- a/glpong.c
+++ b/glpong.c
@@ -14,7 +14,7 @@
 static int  GLPong_Init(GLPong_t * GLPong);
 static void GLPong_Deinit(GLPong_t * GLPong);
 static int  GLPong_HandleEvents();
-
+static INLINE unsigned int NextPow2(unsigned int value);
 static GLuint SDL_GL_SurfaceToTexture(SDL_Surface * surface);
 static GLuint SDL_GL_NPOTSurfaceToTexture(SDL_Surface * surface, GLfloat * wratio, GLfloat * hratio);
 
@@ -67,15 +67,16 @@ int main(int argc, char * argv[]) {
 		
 		GLPong_BallDrawAll(GLPong.balls);
 
-		SDL_GL_SwapBuffers();
-		/* end drawing */
-
 		frames++;
-		if (frames == 10) {
-			GLPong_FPSCount();
+		if (frames == 30) {
 			frames = 0;
-			GLPong_FPSPrint();
 		}
+		GLPong_TextDrawFPS(GLPong_FPSCount());
+
+		SDL_GL_SwapBuffers();
+		/* end drawing */
+
+		
 		
 		SDL_Delay(10);
 	}
@@ -194,7 +195,7 @@ GLPong_HandleEvents() {
 
 static INLINE unsigned int
 NextPow2(unsigned int value) {   
-#if (defined __i386__ || defined __amd64__ || defined __x86_64__) \
+#if (defined __i386__ || defined __x86_64__) \
  && (defined __GNUC__)
 	unsigned int x;
 	__asm(
@@ -253,8 +254,8 @@ static GLuint
 SDL_GL_NPOTSurfaceToTexture(SDL_Surface * surface, GLfloat * wratio, GLfloat * hratio) {
 	SDL_Surface * pow2 = NULL;
 	
-	unsigned int w = NextPow2(surface->w);
-	unsigned int h = NextPow2(surface->h);
+	int w = NextPow2(surface->w);
+	int h = NextPow2(surface->h);
 	
 	if (wratio) {
 		*wratio = (GLfloat)surface->w / (GLfloat)h;
diff --git a/text.c b/text.c
index 2694e4b..06254c3 100644
--- a/text.c
+++ b/text.c
@@ -1,3 +1,5 @@
+#include <stdio.h>
+
 #include <GL/glc.h>
 
 #include "text.h"
@@ -6,6 +8,9 @@ static GLuint font;
 
 int
 GLPong_TextInit() {
+#ifdef DEBUG
+	int count, i;
+#endif
 	GLuint context = glcGenContext();
 	glcContext(context);
 
@@ -13,6 +18,7 @@ GLPong_TextInit() {
 	if (!glcIsContext(context)) {
 		return -1;
 	}
+	glcAppendCatalog("/usr/share/fonts/dejavu/");
 
 #ifdef DEBUG
 	count = glcGeti(GLC_CATALOG_COUNT);
@@ -22,10 +28,15 @@ GLPong_TextInit() {
 #endif
 		
 	font = glcGenFontID();
-	glcNewFontFromFamily(font, "Ar");
+	glcNewFontFromFamily(font, "Deja Vu Sans");
 	glcFontFace(font, "Normal");
-	glcRenderStyle(GLC_TEXTURE);
-	glcFont(font);
+/*	glcRenderStyle(GLC_TEXTURE);*/
+	glcRenderStyle(GLC_TRIANGLE);
+	if (glcIsFont(font)) {
+		glcFont(font);
+	} else {
+		return -1;
+	}
 
 	return 0;
 }
@@ -36,4 +47,18 @@ GLPong_TextDeinit() {
 }
 
 void
-GLPong_TextDrawFPS(GLfloat fps) { }
+GLPong_TextDrawFPS(GLfloat fps) {
+	char buffer[10];
+	
+	sprintf(buffer, "%.0f FPS", fps);
+#ifdef DEBUG
+	printf("%s frames per second\n", buffer);
+#endif
+	
+	glLoadIdentity();
+	glTranslatef(40.0f, 400.0f, 0.0f);
+	glScalef(25.0f, 25.0f, 0.0f);
+	glColor3f(1.0f, 0.0f, 0.0f);
+	glcRenderString(buffer);
+}
+
-- 
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