java-game-lib-cvs

[Elias N. <eli...@us...>]

Update of /cvsroot/java-game-lib/LWJGL/src/native/linux
In directory usw-pr-cvs1:/tmp/cvs-serv29246

Modified Files:
	Game.java org_lwjgl_Sys.c 
Log Message:
Added Sys timer support

Index: Game.java
CVS Browser:
http://cvs.sourceforge.net/cgi-bin/viewcvs.cgi/java-game-lib/LWJGL/src/native/linux/Game.java
===================================================================
RCS file: /cvsroot/java-game-lib/LWJGL/src/native/linux/Game.java,v
retrieving revision 1.2
retrieving revision 1.3
diff -u -d -r1.2 -r1.3
--- Game.java	15 Nov 2002 11:10:32 -0000	1.2
+++ Game.java	16 Nov 2002 19:46:18 -0000	1.3
@@ -118,10 +118,12 @@
         if (Keyboard.isKeyDown(Keyboard.KEY_ESCAPE))
              finished = true;*/
         Keyboard.read();
-        if (Keyboard.getNumKeyboardEvents() > 0) {
+        for (int i = 0; i < Keyboard.getNumKeyboardEvents(); i++) {
             Keyboard.next();
             if (Keyboard.key == Keyboard.KEY_ESCAPE && Keyboard.state)
                 finished = true;
+            if (Keyboard.key == Keyboard.KEY_T && Keyboard.state)
+                System.out.println("Current time: " + Sys.getTime());
         }
      }
  
@@ -149,6 +151,8 @@
          Keyboard.create();
          Keyboard.enableBuffer();
          Mouse.create();
+         Sys.setTime(0);
+         System.out.println("Timer resolution: " + Sys.getTimerResolution());
          // Go into orthographic projection mode.
          gl.matrixMode(GL.PROJECTION);
          gl.loadIdentity();

Index: org_lwjgl_Sys.c
CVS Browser:
http://cvs.sourceforge.net/cgi-bin/viewcvs.cgi/java-game-lib/LWJGL/src/native/linux/org_lwjgl_Sys.c
===================================================================
RCS file: /cvsroot/java-game-lib/LWJGL/src/native/linux/org_lwjgl_Sys.c,v
retrieving revision 1.2
retrieving revision 1.3
diff -u -d -r1.2 -r1.3
--- org_lwjgl_Sys.c	15 Nov 2002 11:10:32 -0000	1.2
+++ org_lwjgl_Sys.c	16 Nov 2002 19:46:18 -0000	1.3
@@ -39,6 +39,7 @@
  * @version $Revision$
  */
 
+#include <sys/time.h>
 #include "org_lwjgl_Sys.h"
 
 long int		hires_timer_freq;			// Hires timer frequency
@@ -78,6 +79,20 @@
 	return hires_timer_freq;
 }
 
+long queryTime(void) {
+	struct timeval tv;
+	if (gettimeofday(&tv, NULL) == -1) {
+#ifdef _DEBUG
+		printf("Could not read current time\n");
+#endif
+	}		
+	long result = tv.tv_sec * 1000000l + tv.tv_usec;
+#ifdef _DEBUG
+	printf("Current time (native): %ld\n", result);
+#endif
+	return result;
+}
+
 /*
  * Class:     org_lwjgl_Sys
  * Method:    getTime
@@ -86,7 +101,7 @@
 JNIEXPORT jlong JNICALL Java_org_lwjgl_Sys_getTime
   (JNIEnv * env, jclass clazz)
 {
-//	QueryPerformanceCounter((LARGE_INTEGER*) &hires_timer);
+	hires_timer = queryTime();
 	hires_timer -= hires_timer_start;
 	return hires_timer;
 }
@@ -99,8 +114,9 @@
 JNIEXPORT void JNICALL Java_org_lwjgl_Sys_setTime
   (JNIEnv * env, jclass clazz, jlong startTime)
 {
-/*	QueryPerformanceFrequency((LARGE_INTEGER*) &hires_timer_freq);
-	QueryPerformanceCounter((LARGE_INTEGER*) &hires_timer_start);*/
+	hires_timer_start = queryTime();
+	// We don't have a real resolution so assume highest possible
+	hires_timer_freq = 1000000;
 	hires_timer_start -= startTime;
 }