OpenGL canvas for Windows, Notifications for main Game, Update checker in Client (+ other client triggered events)

4 files changed, 207 insertions, 9 deletions

diff --git a/src/powdertoyjava/OpenGLCanvasWin32.cpp b/src/powdertoyjava/OpenGLCanvasWin32.cpp
new file mode 100644
index 0000000..9df0a0b
--- /dev/null
+++ b/src/powdertoyjava/OpenGLCanvasWin32.cpp
@@ -0,0 +1,169 @@
+#if defined(USE_JNI) && defined(WIN32)
+#include "OpenGLCanvasWin32.h"
+
+static jfieldID ctxID = NULL;
+
+int defaultPixelFormat(PIXELFORMATDESCRIPTOR* pfd)
+{
+    ::ZeroMemory( pfd, sizeof( PIXELFORMATDESCRIPTOR ) );
+    pfd->nSize = sizeof( PIXELFORMATDESCRIPTOR );
+    pfd->nVersion = 1;
+    pfd->dwFlags = PFD_DRAW_TO_WINDOW |
+		PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER;
+    pfd->iPixelType = PFD_TYPE_RGBA;
+    pfd->cColorBits = 24;
+    pfd->cDepthBits = 16;
+    pfd->iLayerType = PFD_MAIN_PLANE;
+    return 0;
+}
+
+HGLRC ensureContext(JAWT_Win32DrawingSurfaceInfo* dsi_win, HGLRC hRC) {
+
+	if (!hRC) {
+		int iFormat;
+		PIXELFORMATDESCRIPTOR pfd;
+		defaultPixelFormat(&pfd);
+
+	    iFormat = ChoosePixelFormat( dsi_win->hdc, &pfd );
+	    SetPixelFormat( dsi_win->hdc, iFormat, &pfd );
+
+		hRC = wglCreateContext( dsi_win->hdc );
+	}
+	if (1 && wglGetCurrentDC() != dsi_win->hdc) {
+		wglMakeCurrent( dsi_win->hdc, hRC );
+	}
+	
+	return hRC;
+}
+
+ContextInfo* getContext(JNIEnv *env, jobject canvas) 
+{
+	ContextInfo *ci;
+	if (!ctxID) {
+		jclass cls = env->GetObjectClass(canvas);
+		ctxID = env->GetFieldID(cls, "openGLContext", "J");
+	}	
+
+	ci = (ContextInfo *)(long)(env->GetLongField(canvas, ctxID));
+
+	if (!ci) {
+		ci = (ContextInfo *)calloc(sizeof(ContextInfo), 1);
+		ci->awt = (JAWT *)calloc(sizeof(JAWT), 1);
+		env->SetLongField(canvas, ctxID, (jlong)(long)ci);
+	}
+	
+	return ci;
+}
+
+void freeContext(JNIEnv *env, jobject canvas, ContextInfo* ci) 
+{
+	if (ci) {
+		free(ci->awt);
+		free(ci);
+		env->SetLongField(canvas, ctxID, 0L);
+	}
+}
+
+JNIEXPORT jboolean JNICALL Java_OpenGLCanvas_beginOpenGL(JNIEnv *env, jobject canvas)
+{
+	jint lock;
+	ContextInfo *ci = getContext(env, canvas);
+	
+    // Get the drawing surface.  This can be safely cached -- not in win32
+    // Anything below the DS (DSI, contexts, etc)
+    // can possibly change/go away and should not be cached.
+    ci->ds = ci->awt->GetDrawingSurface(env, canvas);
+    if (env->ExceptionOccurred()) {
+        env->ExceptionDescribe();
+    }
+    assert(ci->ds != NULL);
+
+	// Lock the drawing surface
+    // You must lock EACH TIME before drawing
+    lock = ci->ds->Lock(ci->ds);
+    if (env->ExceptionOccurred()) {
+        env->ExceptionDescribe();
+    }
+    assert((lock & JAWT_LOCK_ERROR) == 0);
+    
+    // Get the drawing surface info
+    ci->dsi = ci->ds->GetDrawingSurfaceInfo(ci->ds);
+	
+	// Check DrawingSurfaceInfo.  This can be NULL on Mac OS X
+    // if the windowing system is not ready
+	if (ci->dsi != NULL) {
+        // Get the platform-specific drawing info
+        // We will use this to get at Cocoa and CoreGraphics
+        // See <JavaVM/jawt_md.h>
+        ci->dsi_win = (JAWT_Win32DrawingSurfaceInfo*)ci->dsi->platformInfo;
+        if (env->ExceptionOccurred()) {
+            env->ExceptionDescribe();
+        }
+
+        // Get the corresponding peer from the caller canvas
+		ci->hRC = ensureContext(ci->dsi_win, ci->hRC);
+
+		return JNI_TRUE;
+	}
+	
+	return JNI_FALSE;
+}
+
+JNIEXPORT void JNICALL Java_OpenGLCanvas_endOpenGL(JNIEnv *env, jobject canvas)
+{
+	ContextInfo *ci = getContext(env, canvas);
+	
+	SwapBuffers( ci->dsi_win->hdc );
+
+	// Free the DrawingSurfaceInfo
+	ci->ds->FreeDrawingSurfaceInfo(ci->dsi);
+	if (env->ExceptionOccurred()){
+		env->ExceptionDescribe();
+	}
+	
+    // Unlock the drawing surface
+    // You must unlock EACH TIME when done drawing
+    ci->ds->Unlock(ci->ds); 
+    if (env->ExceptionOccurred()) {
+        env->ExceptionDescribe();
+    }
+
+    // Free the drawing surface (if not caching it)
+    ci->awt->FreeDrawingSurface(ci->ds);
+    if (env->ExceptionOccurred()) {
+        env->ExceptionDescribe();
+    }
+}
+
+JNIEXPORT void JNICALL Java_OpenGLCanvas_updateOpenGL(JNIEnv *env, jobject canvas)
+{
+	ContextInfo *ci = getContext(env, canvas);
+
+	wglMakeCurrent( ci->dsi_win->hdc, ci->hRC );
+}
+
+JNIEXPORT void JNICALL Java_OpenGLCanvas_allocOpenGL(JNIEnv *env, jobject canvas)
+{
+	ContextInfo *ci = getContext(env, canvas);
+	
+	jboolean result = JNI_FALSE;
+    
+    // get the AWT
+    ci->awt->version = JAWT_VERSION_1_4;
+    result = JAWT_GetAWT(env, ci->awt);
+    if (env->ExceptionOccurred()) {
+        env->ExceptionDescribe();
+    }
+    assert(result != JNI_FALSE);	
+}
+
+JNIEXPORT void JNICALL Java_OpenGLCanvas_releaseOpenGL(JNIEnv *env, jobject canvas) 
+{
+	ContextInfo *ci = getContext(env, canvas);
+	if (ci->hRC) {
+		wglDeleteContext(ci->hRC);
+	}
+
+	freeContext(env, canvas, ci);
+}
+#endif
diff --git a/src/powdertoyjava/OpenGLCanvasWin32.h b/src/powdertoyjava/OpenGLCanvasWin32.h
new file mode 100644
index 0000000..bff6b20
--- /dev/null
+++ b/src/powdertoyjava/OpenGLCanvasWin32.h
@@ -0,0 +1,35 @@
+#ifdef USE_JNI
+#import <jawt_md.h>
+
+#include <windows.h>
+#include <assert.h>
+#include <gl/gl.h>
+
+int defaultPixelFormat(PIXELFORMATDESCRIPTOR* pfd);
+
+HGLRC ensureContext(JAWT_Win32DrawingSurfaceInfo* dsi_win, HGLRC hRC);
+
+typedef struct {
+    JAWT* awt;
+    JAWT_DrawingSurface* ds;
+    JAWT_DrawingSurfaceInfo* dsi;
+    JAWT_Win32DrawingSurfaceInfo* dsi_win;
+	HGLRC hRC;
+} ContextInfo;
+
+ContextInfo* getContext(JNIEnv *env, jobject canvas);
+
+void freeContext(JNIEnv *env, jobject canvas, ContextInfo* ci);
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+	JNIEXPORT jboolean JNICALL Java_OpenGLCanvas_beginOpenGL(JNIEnv *env, jobject canvas);
+	JNIEXPORT void JNICALL Java_OpenGLCanvas_endOpenGL(JNIEnv *env, jobject canvas);
+	JNIEXPORT void JNICALL Java_OpenGLCanvas_updateOpenGL(JNIEnv *env, jobject canvas);
+	JNIEXPORT void JNICALL Java_OpenGLCanvas_allocOpenGL(JNIEnv *env, jobject canvas);
+	JNIEXPORT void JNICALL Java_OpenGLCanvas_releaseOpenGL(JNIEnv *env, jobject canvas);
+#ifdef __cplusplus
+}
+#endif
+#endif
diff --git a/src/powdertoyjava/PowderToyJava.cpp b/src/powdertoyjava/PowderToyJava.cpp
index 969d9b2..bcc9344 100644
--- a/src/powdertoyjava/PowderToyJava.cpp
+++ b/src/powdertoyjava/PowderToyJava.cpp
@@ -1,4 +1,4 @@
-#if defined(USE_JNI) && defined(MACOSX)
+#if defined(USE_JNI)
 
 #include <time.h>
 #include <iostream>
@@ -8,9 +8,6 @@
 #include "Config.h"
 #include "PowderToyJava.h"
 #include "Graphics.h"
-#if defined(LIN32) || defined(LIN64)
-#include "icon.h"
-#endif
 
 #include "game/GameController.h"
 
@@ -24,8 +21,6 @@ float fps = 0, delta = 1.0f;
 
 JNIEXPORT void JNICALL Java_PowderToy_initialise(JNIEnv * env, jobject canvas)
 {	
-	//InitWindowMac(env, canvas);
-	
 	ui::Engine::Ref().g = new Graphics();
 	
 	engine = &ui::Engine::Ref();
diff --git a/src/powdertoyjava/PowderToyJava.h b/src/powdertoyjava/PowderToyJava.h
index be0b8b1..d39a8a9 100644
--- a/src/powdertoyjava/PowderToyJava.h
+++ b/src/powdertoyjava/PowderToyJava.h
@@ -1,5 +1,4 @@
-//#include </System/Library/Frameworks/JavaVM.framework/Headers/jni.h>
-#include </System/Library/Frameworks/JavaVM.framework/Headers/jni.h>
+#include <jni.h>
 
 #ifndef POWDERTOYJAVA
 #define POWDERTOYJAVA
@@ -19,4 +18,4 @@ extern "C" {
 #ifdef __cplusplus
 }
 #endif
-#endif
\ No newline at end of file
+#endif