SDL Voxel Engine first pass

trunk/src/drivers/sdl/config.cpp

@@ -182,6 +182,22 @@ InitConfig()
 	config->addOption("SDL.SpecialFilter", 0);
 	config->addOption("SDL.SpecialFX", 0);
 	config->addOption("SDL.Vsync", 1);
+	config->addOption("voxel", "SDL.VoxelEngine", 1);
+	
+	// Voxel engine options
+	config->addOption("voxelXscale", "SDL.VoxelXScale", 1.0);
+	config->addOption("voxelYscale", "SDL.VoxelYScale", 1.0);
+	config->addOption("voxelZscale", "SDL.VoxelZScale", 1.0);
+	config->addOption("voxelTransparency", "SDL.VoxelTransparency", 1.0);
+	config->addOption("voxelXspace", "SDL.VoxelXSpace", 0.0);
+	config->addOption("voxelYspace", "SDL.VoxelYSpace", 0.0);
+	config->addOption("voxelBGCMethod", "SDL.VoxelBGCMethod", 0);
+	config->addOption("voxelXcoord", "SDL.VoxelXCoordBGC", 0);
+	config->addOption("voxelYcoord", "SDL.VoxelYCoordBGC", 0);
+	config->addOption("voxelWaves", "SDL.VoxelWaves", 0);
+	config->addOption("voxelWaveLength", "SDL.VoxelWavelength", 1.0);
+	config->addOption("voxelWaveFrequency", "SDL.VoxelWaveFrequency", 1.0);
+	config->addOption("voxelWaveAmplitude", "SDL.VoxelWaveAmplitude", 1.0);
 
 	// network play options - netplay is broken
 	config->addOption("server", "SDL.NetworkIsServer", 0);

trunk/src/drivers/sdl/gui.cpp

@@ -869,6 +869,15 @@ void setDoubleBuffering(GtkWidget* w, gpointer p)
 		g_config->setOption("SDL.DoubleBuffering", 0);
 	g_config->save();
 }
+
+void setVoxel(GtkWidget* w, gpointer p)
+{
+	if(gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(w)))
+		g_config->setOption("SDL.VoxelEngine", 1);
+	else
+		g_config->setOption("SDL.VoxelEngine", 0);
+	g_config->save();
+}
 #endif
 
 void openVideoConfig()
@@ -882,6 +891,7 @@ void openVideoConfig()
 	GtkWidget* glChk;
 	GtkWidget* linearChk;
 	GtkWidget* dbChk;
+	GtkWidget* voxelChk;
 	GtkWidget* palChk;
 	GtkWidget* ppuChk;
 	GtkWidget* spriteLimitChk;
@@ -951,7 +961,7 @@ void openVideoConfig()
 	else
 		gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(linearChk), 0);
   	
-    // DoubleBuffering check
+	// DoubleBuffering check
 	dbChk = gtk_check_button_new_with_label("Enable double buffering");
 	g_signal_connect(dbChk, "clicked", G_CALLBACK(setDoubleBuffering), NULL);
 	
@@ -962,6 +972,19 @@ void openVideoConfig()
 		gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(dbChk), 1);
 	else
 		gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(dbChk), 0);
+		
+	// Voxel check
+	voxelChk = gtk_check_button_new_with_label("Enable voxel engine");
+	g_signal_connect(voxelChk, "clicked", G_CALLBACK(setVoxel), NULL);
+	
+	// sync with config
+	buf = 0;
+	g_config->getOption("SDL.VoxelEngine", &buf);
+	if(buf)
+		gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(voxelChk), 1);
+	else
+		gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(voxelChk), 0);
+	
 #endif
 	
 	
@@ -1069,6 +1092,7 @@ void openVideoConfig()
 	gtk_box_pack_start(GTK_BOX(vbox), glChk, FALSE, FALSE, 5);
 	gtk_box_pack_start(GTK_BOX(vbox), linearChk, FALSE, FALSE, 5);
 	gtk_box_pack_start(GTK_BOX(vbox), dbChk, FALSE, FALSE, 5);
+	gtk_box_pack_start(GTK_BOX(vbox), voxelChk, FALSE, FALSE, 5);
 #endif
 	gtk_box_pack_start(GTK_BOX(vbox), palChk, FALSE, FALSE,5);
 	gtk_box_pack_start(GTK_BOX(vbox), ppuChk, FALSE, FALSE, 5);
@@ -1088,6 +1112,377 @@ void openVideoConfig()
 	
 	return;
 }
+
+#ifdef OPENGL
+int setVoxelXscale(GtkWidget* w, gpointer p)
+{
+	double v = gtk_spin_button_get_value(GTK_SPIN_BUTTON(w));
+	g_config->setOption("SDL.VoxelXScale", v);
+	g_config->save();
+	return 0;
+}
+
+int setVoxelYscale(GtkWidget* w, gpointer p)
+{
+	double v = gtk_spin_button_get_value(GTK_SPIN_BUTTON(w));
+	g_config->setOption("SDL.VoxelYScale", v);
+	g_config->save();
+	return 0;
+}
+
+int setVoxelZscale(GtkWidget* w, gpointer p)
+{
+	double v = gtk_spin_button_get_value(GTK_SPIN_BUTTON(w));
+	g_config->setOption("SDL.VoxelZScale", v);
+	g_config->save();
+	return 0;
+}
+
+int setTransparency(GtkWidget* w, gpointer p)
+{
+	double v = gtk_spin_button_get_value(GTK_SPIN_BUTTON(w));
+	g_config->setOption("SDL.VoxelTransparency", v);
+	g_config->save();
+	return 0;
+}
+
+int setVoxelXspace(GtkWidget* w, gpointer p)
+{
+	double v = gtk_spin_button_get_value(GTK_SPIN_BUTTON(w));
+	g_config->setOption("SDL.VoxelXSpace", v);
+	g_config->save();
+	return 0;
+}
+
+int setVoxelYspace(GtkWidget* w, gpointer p)
+{
+	double v = gtk_spin_button_get_value(GTK_SPIN_BUTTON(w));
+	g_config->setOption("SDL.VoxelYSpace", v);
+	g_config->save();
+	return 0;
+}
+
+int setXcoordBGC(GtkWidget* w, gpointer p)
+{
+	int v = gtk_spin_button_get_value(GTK_SPIN_BUTTON(w));
+	g_config->setOption("SDL.VoxelXCoordBGC", v);
+	g_config->save();
+	return 0;
+}
+
+int setYcoordBGC(GtkWidget* w, gpointer p)
+{
+	int v = gtk_spin_button_get_value(GTK_SPIN_BUTTON(w));
+	g_config->setOption("SDL.VoxelYCoordBGC", v);
+	g_config->save();
+	return 0;
+}
+
+void toggleSystemBGC(GtkToggleButton *t, gpointer user_data) 
+{
+	g_config->setOption("SDL.VoxelBGCMethod", 0);
+	g_config->save();    
+}
+
+void togglePrevalentBGC(GtkToggleButton *t, gpointer user_data) 
+{
+	g_config->setOption("SDL.VoxelBGCMethod", 1);
+	g_config->save();    
+}
+
+void toggleCoordBGC(GtkToggleButton *t, gpointer user_data) 
+{
+	g_config->setOption("SDL.VoxelBGCMethod", 2);
+	g_config->save();    
+}
+
+void setVoxelWaves(GtkWidget* w, gpointer p)
+{
+	int x = gtk_combo_box_get_active(GTK_COMBO_BOX(w));
+	g_config->setOption("SDL.VoxelWaves", x);
+	g_config->save();	
+}
+
+int setWavelength(GtkWidget* w, gpointer p)
+{
+	double v = gtk_spin_button_get_value(GTK_SPIN_BUTTON(w));
+	g_config->setOption("SDL.VoxelWavelength", v);
+	g_config->save();
+	return 0;
+}
+
+int setAmplitude(GtkWidget* w, gpointer p)
+{
+	double v = gtk_spin_button_get_value(GTK_SPIN_BUTTON(w));
+	g_config->setOption("SDL.VoxelWaveAmplitude", v);
+	g_config->save();
+	return 0;
+}
+
+int setFrequency(GtkWidget* w, gpointer p)
+{
+	double v = gtk_spin_button_get_value(GTK_SPIN_BUTTON(w));
+	g_config->setOption("SDL.VoxelWaveFrequency", v);
+	g_config->save();
+	return 0;
+}
+
+void openVoxelConfig()
+{
+	GtkWidget* win;
+	GtkWidget* vbox;
+	GtkWidget* disclaimer;
+	GtkWidget* scaleLbl;
+	GtkWidget* scaleHbox;
+	GtkWidget* xscaleSpin;
+	GtkWidget* yscaleSpin;
+	GtkWidget* xscaleLbl;
+	GtkWidget* yscaleLbl;
+	GtkWidget* depthHbox;
+	GtkWidget* depthLbl;
+	GtkWidget* depthSpin;
+	GtkWidget* transHbox;
+	GtkWidget* transLbl;
+	GtkWidget* transSpin;
+	GtkWidget* spaceLbl;
+	GtkWidget* spaceHbox;
+	GtkWidget* xspaceSpin;
+	GtkWidget* yspaceSpin;
+	GtkWidget* xspaceLbl;
+	GtkWidget* yspaceLbl;
+	GSList*    groupBGC;
+	GtkWidget* systemBGC;
+	GtkWidget* prevalentBGC;
+	GtkWidget* coordBGC;
+	GtkWidget* coordHbox;
+	GtkWidget* xcoordBGC;
+	GtkWidget* ycoordBGC;
+	GtkWidget* xcoordLbl;
+	GtkWidget* ycoordLbl;	
+	GtkWidget* waveHbox;
+	GtkWidget* waveLbl;
+	GtkWidget* waveCombo;
+	GtkWidget* wavelengthHbox;
+	GtkWidget* wavelengthLbl;
+	GtkWidget* wavelengthSpin;
+	GtkWidget* amplitudeHbox;
+	GtkWidget* amplitudeLbl;
+	GtkWidget* amplitudeSpin;
+	GtkWidget* frequencyHbox;
+	GtkWidget* frequencyLbl;
+	GtkWidget* frequencySpin;
+	GtkWidget* freqNoteLbl;
+
+	double f;
+	int i;
+
+	win = gtk_dialog_new_with_buttons("Voxel Configuration",
+				GTK_WINDOW(MainWindow),
+				(GtkDialogFlags)(GTK_DIALOG_DESTROY_WITH_PARENT),
+				GTK_STOCK_CLOSE, GTK_RESPONSE_OK, NULL);
+	gtk_window_set_icon_name(GTK_WINDOW(win), "voxels");
+	
+	vbox = gtk_dialog_get_content_area(GTK_DIALOG(win));
+	
+	disclaimer = gtk_label_new("Voxel engine is for experimentation\npurposes only, and will not work\nwell with every game that you try.");
+	
+	// Scale of voxels
+	scaleLbl = gtk_label_new("Scale of voxels");
+	scaleHbox = gtk_hbox_new(FALSE, 5);
+	xscaleLbl = gtk_label_new("X:");
+	xscaleSpin = gtk_spin_button_new_with_range(0.1, 16.0, .1);
+	yscaleLbl = gtk_label_new("Y:");
+	yscaleSpin = gtk_spin_button_new_with_range(0.1, 16.0, .1);
+	
+	gtk_box_pack_start(GTK_BOX(scaleHbox), xscaleLbl, FALSE, FALSE, 2);
+	gtk_box_pack_start(GTK_BOX(scaleHbox), xscaleSpin, FALSE, FALSE, 2);
+	gtk_box_pack_start(GTK_BOX(scaleHbox), yscaleLbl, FALSE, FALSE, 2);
+	gtk_box_pack_start(GTK_BOX(scaleHbox), yscaleSpin, FALSE, FALSE, 2);
+
+	g_signal_connect(xscaleSpin, "value-changed", G_CALLBACK(setVoxelXscale), NULL);
+	g_signal_connect(yscaleSpin, "value-changed", G_CALLBACK(setVoxelYscale), NULL);
+	
+	// sync with config
+	g_config->getOption("SDL.VoxelXScale", &f);
+	gtk_spin_button_set_value(GTK_SPIN_BUTTON(xscaleSpin), f);
+	g_config->getOption("SDL.VoxelYScale", &f);
+	gtk_spin_button_set_value(GTK_SPIN_BUTTON(yscaleSpin), f);
+
+	// Voxel depth
+	depthLbl = gtk_label_new("Voxel Thickness:");
+	depthHbox = gtk_hbox_new(FALSE, 5);
+	depthSpin = gtk_spin_button_new_with_range(0.1, 16.0, .1);
+	
+	gtk_box_pack_start(GTK_BOX(depthHbox), depthLbl, FALSE, FALSE, 2);
+	gtk_box_pack_start(GTK_BOX(depthHbox), depthSpin, FALSE, FALSE, 2);
+	g_signal_connect(depthSpin, "value-changed", G_CALLBACK(setVoxelZscale), NULL);
+
+	g_config->getOption("SDL.VoxelZScale", &f);
+	gtk_spin_button_set_value(GTK_SPIN_BUTTON(depthSpin), f);
+
+	// Voxel transparency
+	transLbl = gtk_label_new("Transparency:");
+	transHbox = gtk_hbox_new(FALSE, 5);
+	transSpin = gtk_spin_button_new_with_range(0.00, 1.00, .01);
+	
+	gtk_box_pack_start(GTK_BOX(transHbox), transLbl, FALSE, FALSE, 2);
+	gtk_box_pack_start(GTK_BOX(transHbox), transSpin, FALSE, FALSE, 2);
+	g_signal_connect(transSpin, "value-changed", G_CALLBACK(setTransparency), NULL);
+
+	g_config->getOption("SDL.VoxelTransparency", &f);
+	gtk_spin_button_set_value(GTK_SPIN_BUTTON(transSpin), f);
+
+	// Space between voxels
+	spaceLbl = gtk_label_new("Space between voxels");
+	spaceHbox = gtk_hbox_new(FALSE, 5);
+	xspaceLbl = gtk_label_new("X:");
+	xspaceSpin = gtk_spin_button_new_with_range(-10.0, 10.0, .1);
+	yspaceLbl = gtk_label_new("Y:");
+	yspaceSpin = gtk_spin_button_new_with_range(-10.0, 10.0, .1);
+	
+	gtk_box_pack_start(GTK_BOX(spaceHbox), xspaceLbl, FALSE, FALSE, 2);
+	gtk_box_pack_start(GTK_BOX(spaceHbox), xspaceSpin, FALSE, FALSE, 2);
+	gtk_box_pack_start(GTK_BOX(spaceHbox), yspaceLbl, FALSE, FALSE, 2);
+	gtk_box_pack_start(GTK_BOX(spaceHbox), yspaceSpin, FALSE, FALSE, 2);
+
+	g_signal_connect(xspaceSpin, "value-changed", G_CALLBACK(setVoxelXspace), NULL);
+	g_signal_connect(yspaceSpin, "value-changed", G_CALLBACK(setVoxelYspace), NULL);
+	
+	// sync with config
+	g_config->getOption("SDL.VoxelXSpace", &f);
+	gtk_spin_button_set_value(GTK_SPIN_BUTTON(xspaceSpin), f);
+	g_config->getOption("SDL.VoxelYSpace", &f);
+	gtk_spin_button_set_value(GTK_SPIN_BUTTON(yspaceSpin), f);
+
+	// How to get the background color
+	systemBGC = gtk_radio_button_new_with_mnemonic (NULL, "Use system background color, or");
+	gtk_radio_button_set_group (GTK_RADIO_BUTTON (systemBGC), groupBGC);
+	groupBGC = g_slist_append (groupBGC, systemBGC);
+
+	prevalentBGC = gtk_radio_button_new_with_mnemonic (NULL, "Use frame's most prevalent color, or");
+	gtk_radio_button_set_group (GTK_RADIO_BUTTON (prevalentBGC), groupBGC);
+	groupBGC = g_slist_append (groupBGC, prevalentBGC);
+
+	coordBGC = gtk_radio_button_new_with_mnemonic (NULL, "Use coordinate background color:");
+	gtk_radio_button_set_group (GTK_RADIO_BUTTON (coordBGC), groupBGC);
+	groupBGC = g_slist_append (groupBGC, coordBGC);
+
+	coordHbox = gtk_hbox_new(FALSE, 5);
+	xcoordLbl = gtk_label_new("\tX:");
+	xcoordBGC = gtk_spin_button_new_with_range(0, 255, 1);
+	ycoordLbl = gtk_label_new("Y:");
+	ycoordBGC = gtk_spin_button_new_with_range(0, 255, 1);
+	
+	gtk_box_pack_start(GTK_BOX(coordHbox), xcoordLbl, FALSE, FALSE, 2);
+	gtk_box_pack_start(GTK_BOX(coordHbox), xcoordBGC, FALSE, FALSE, 2);
+	gtk_box_pack_start(GTK_BOX(coordHbox), ycoordLbl, FALSE, FALSE, 2);
+	gtk_box_pack_start(GTK_BOX(coordHbox), ycoordBGC, FALSE, FALSE, 2);
+
+	g_signal_connect(systemBGC, "toggled", G_CALLBACK(toggleSystemBGC), NULL);
+	g_signal_connect(prevalentBGC, "toggled", G_CALLBACK(togglePrevalentBGC), NULL);
+	g_signal_connect(coordBGC, "toggled", G_CALLBACK(toggleCoordBGC), NULL);
+	g_signal_connect(xcoordBGC, "value-changed", G_CALLBACK(setXcoordBGC), NULL);
+	g_signal_connect(ycoordBGC, "value-changed", G_CALLBACK(setYcoordBGC), NULL);
+
+	// sync with config
+	g_config->getOption("SDL.VoxelBGCMethod", &i);
+	switch (i)
+	{
+	case 0:
+		gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (systemBGC), TRUE);
+		break;
+	case 1:
+		gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (prevalentBGC), TRUE);
+		break;
+	case 2:
+		gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (coordBGC), TRUE);
+		break;	
+	}
+	g_config->getOption("SDL.VoxelXCoordBGC", &i);
+	gtk_spin_button_set_value(GTK_SPIN_BUTTON(xcoordBGC), i);
+	g_config->getOption("SDL.VoxelYCoordBGC", &i);
+	gtk_spin_button_set_value(GTK_SPIN_BUTTON(ycoordBGC), i);
+
+	// wave widgets
+	waveHbox = gtk_hbox_new(FALSE, 3);
+	waveLbl = gtk_label_new("Waves: ");
+	waveCombo = gtk_combo_box_text_new();
+	// -Wave Types Tag-
+	gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(waveCombo), "disabled");
+	gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(waveCombo), "Horizontal");
+	gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(waveCombo), "Vertical");
+	gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(waveCombo), "Diagonal \\");
+	gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(waveCombo), "Diagonal /");
+
+	// sync with cfg
+	g_config->getOption("SDL.VoxelWaves", &i);
+	gtk_combo_box_set_active(GTK_COMBO_BOX(waveCombo), i);
+	
+	g_signal_connect(waveCombo, "changed", G_CALLBACK(setVoxelWaves), NULL);
+	gtk_box_pack_start(GTK_BOX(waveHbox), waveLbl, FALSE, FALSE, 5);
+	gtk_box_pack_start(GTK_BOX(waveHbox), waveCombo, FALSE, FALSE, 5);
+
+	// Wave settings
+	wavelengthLbl = gtk_label_new("\tWavelength:");
+	wavelengthHbox = gtk_hbox_new(FALSE, 5);
+	wavelengthSpin = gtk_spin_button_new_with_range(0.1, 10.0, .1);
+	
+	gtk_box_pack_start(GTK_BOX(wavelengthHbox), wavelengthLbl, FALSE, FALSE, 2);
+	gtk_box_pack_start(GTK_BOX(wavelengthHbox), wavelengthSpin, FALSE, FALSE, 2);
+
+	amplitudeLbl = gtk_label_new("\tAmplitude:");
+	amplitudeHbox = gtk_hbox_new(FALSE, 5);
+	amplitudeSpin = gtk_spin_button_new_with_range(0.1, 10.0, .1);
+	
+	gtk_box_pack_start(GTK_BOX(amplitudeHbox), amplitudeLbl, FALSE, FALSE, 2);
+	gtk_box_pack_start(GTK_BOX(amplitudeHbox), amplitudeSpin, FALSE, FALSE, 2);
+
+	frequencyLbl = gtk_label_new("\tFrequency:");
+	frequencyHbox = gtk_hbox_new(FALSE, 5);
+	frequencySpin = gtk_spin_button_new_with_range(-10.0, 10.0, .1);
+	freqNoteLbl = gtk_label_new("(Negative frequency reverses\ndirection.  Zero freezes.)");
+	
+	gtk_box_pack_start(GTK_BOX(frequencyHbox), frequencyLbl, FALSE, FALSE, 2);
+	gtk_box_pack_start(GTK_BOX(frequencyHbox), frequencySpin, FALSE, FALSE, 2);
+
+	g_signal_connect(wavelengthSpin, "value-changed", G_CALLBACK(setWavelength), NULL);
+	g_signal_connect(amplitudeSpin, "value-changed", G_CALLBACK(setAmplitude), NULL);
+	g_signal_connect(frequencySpin, "value-changed", G_CALLBACK(setFrequency), NULL);
+	
+	// sync with config
+	g_config->getOption("SDL.VoxelWavelength", &f);
+	gtk_spin_button_set_value(GTK_SPIN_BUTTON(wavelengthSpin), f);
+	g_config->getOption("SDL.VoxelWaveAmplitude", &f);
+	gtk_spin_button_set_value(GTK_SPIN_BUTTON(amplitudeSpin), f);
+	g_config->getOption("SDL.VoxelWaveFrequency", &f);
+	gtk_spin_button_set_value(GTK_SPIN_BUTTON(frequencySpin), f);
+
+	gtk_box_pack_start(GTK_BOX(vbox), disclaimer, FALSE, FALSE, 5);	
+	gtk_box_pack_start(GTK_BOX(vbox), scaleLbl, FALSE, FALSE, 5);
+	gtk_box_pack_start(GTK_BOX(vbox), scaleHbox, FALSE, FALSE, 5);
+	gtk_box_pack_start(GTK_BOX(vbox), depthHbox, FALSE, FALSE, 5);
+	gtk_box_pack_start(GTK_BOX(vbox), transHbox, FALSE, FALSE, 5);
+	gtk_box_pack_start(GTK_BOX(vbox), spaceLbl, FALSE, FALSE, 5);
+	gtk_box_pack_start(GTK_BOX(vbox), spaceHbox, FALSE, FALSE, 5);
+	gtk_box_pack_start(GTK_BOX(vbox), systemBGC, FALSE, FALSE, 5);
+	gtk_box_pack_start(GTK_BOX(vbox), prevalentBGC, FALSE, FALSE, 5);
+	gtk_box_pack_start(GTK_BOX(vbox), coordBGC, FALSE, FALSE, 5);
+	gtk_box_pack_start(GTK_BOX(vbox), coordHbox, FALSE, FALSE, 5);
+	gtk_box_pack_start(GTK_BOX(vbox), waveHbox, FALSE, FALSE, 5);
+	gtk_box_pack_start(GTK_BOX(vbox), wavelengthHbox, FALSE, FALSE, 5);
+	gtk_box_pack_start(GTK_BOX(vbox), amplitudeHbox, FALSE, FALSE, 5);
+	gtk_box_pack_start(GTK_BOX(vbox), frequencyHbox, FALSE, FALSE, 5);
+	gtk_box_pack_start(GTK_BOX(vbox), freqNoteLbl, FALSE, FALSE, 5);
+
+	g_signal_connect(win, "delete-event", G_CALLBACK(closeVideoWin), NULL);
+	g_signal_connect(win, "response", G_CALLBACK(closeVideoWin), NULL);
+	
+	gtk_widget_show_all(win);
+	
+	return;
+}
+#endif
+
 const char* mixerStrings[6] = {"Volume", "Triangle", "Square1", "Square2", "Noise", "PCM"};
 
 int mixerChanged(GtkWidget* w, gpointer p)
@@ -2134,7 +2529,7 @@ gint convertKeypress(GtkWidget *grab, GdkEventKey *event, gpointer user_data)
 			sdlev.key.state = SDL_RELEASED;
 			keystate = 0;
 			break;
-		
+			
 		default:
 			fprintf(stderr, "Unhandled GDK event type: %d", event->type);
 			return FALSE;
@@ -2212,6 +2607,9 @@ static char* menuXml =
 	"      <menuitem action='VideoConfigAction' />"
 	"      <menuitem action='PaletteConfigAction' />"
 	"      <menuitem action='NetworkConfigAction' />"
+#ifdef OPENGL
+	"      <menuitem action='VoxelConfigAction' />"
+#endif
 	"      <menuitem action='AutoResumeAction' />"
 	"      <separator />"
 	"      <menuitem action='FullscreenAction' />"
@@ -2272,6 +2670,9 @@ static GtkActionEntry normal_entries[] = {
 	{"VideoConfigAction", "video-display", "_Video Config", NULL, NULL, G_CALLBACK(openVideoConfig)},
 	{"PaletteConfigAction", GTK_STOCK_SELECT_COLOR, "_Palette Config", NULL, NULL, G_CALLBACK(openPaletteConfig)},
 	{"NetworkConfigAction", GTK_STOCK_NETWORK, "_Network Config", NULL, NULL, G_CALLBACK(openNetworkConfig)},
+#ifdef OPENGL
+	{"VoxelConfigAction", "voxels", "_Voxel Config", NULL, NULL, G_CALLBACK(openVoxelConfig)},
+#endif
 	{"FullscreenAction", GTK_STOCK_FULLSCREEN, "_Fullscreen", "<alt>Return", NULL, G_CALLBACK(enableFullscreen)},	
 	{"EmulationMenuAction", NULL, "_Emulation"},
 	{"PowerAction", NULL, "P_ower", NULL, NULL, G_CALLBACK(FCEUI_PowerNES)},
@@ -2389,7 +2790,7 @@ gint handleMouseClick(GtkWidget* widget, GdkEvent *event, gpointer callback_data
 		if(button == 3)
 			GtkMouseData[2] |= 0x3;
 	}
-
+	
 	// this doesn't work because we poll the mouse position rather
 	// than use events
 	/*
@@ -2409,6 +2810,36 @@ gint handleMouseClick(GtkWidget* widget, GdkEvent *event, gpointer callback_data
   
 	return 0;
 }
+
+gint handleMouseMove(GtkWidget* widget, GdkEvent *event, gpointer callback_data)
+{
+	GtkMouseData[0] = ((GdkEventMotion*)event)->x;
+	GtkMouseData[1] = ((GdkEventMotion*)event)->y;
+
+	return 0;
+}
+
+extern float cameraZ;
+gint handleMouseScroll(GtkWidget* widget, GdkEvent *event, gpointer callback_data)
+{
+	switch (((GdkEventScroll *)event)->direction)
+	{
+	case GDK_SCROLL_UP:
+		cameraZ -= 10.0f;
+		if (cameraZ < 100.0f)
+			cameraZ = 100.0f;
+		break;
+
+	case GDK_SCROLL_DOWN:
+		cameraZ += 10.0f;
+		if (cameraZ > 800.0f)
+			cameraZ = 800.0f;
+		break;
+	}
+	
+	return 0;
+}
+
 // NES resolution = 256x240
 const int NES_WIDTH=256;
 const int NES_HEIGHT=240;
@@ -2495,6 +2926,10 @@ int InitGTKSubsystem(int argc, char** argv)
 	// prg - Bryan Cain, you are the man!
 	
 	evbox = gtk_event_box_new();
+	
+	// Absolutely necessary in order to poll data from mouse continuously:
+	gtk_widget_set_events(evbox, GDK_POINTER_MOTION_MASK);
+
 	gtk_box_pack_start (GTK_BOX(vbox), evbox, TRUE, TRUE, 0);
 	
 	double xscale, yscale;
@@ -2513,9 +2948,12 @@ int InitGTKSubsystem(int argc, char** argv)
 	gtk_key_snooper_install(convertKeypress, NULL);
 
 	// pass along mouse data from GTK to SDL
-	g_signal_connect(G_OBJECT(evbox), "button-press-event", G_CALLBACK(handleMouseClick), NULL);
+	g_signal_connect(G_OBJECT(evbox), "button-press-event",   G_CALLBACK(handleMouseClick),  NULL);
-	g_signal_connect(G_OBJECT(evbox), "button-release-event", G_CALLBACK(handleMouseClick), NULL);
+	g_signal_connect(G_OBJECT(evbox), "button-release-event", G_CALLBACK(handleMouseClick),  NULL);
 
+	// Collect mouse motion and wheel scrolls for voxel camera.
+	g_signal_connect(G_OBJECT(evbox), "motion-notify-event",  G_CALLBACK(handleMouseMove),   NULL);
+	g_signal_connect(G_OBJECT(evbox), "scroll-event",         G_CALLBACK(handleMouseScroll), NULL);
 	
 	// signal handlers
 	g_signal_connect(MainWindow, "delete-event", quit, NULL);

trunk/src/drivers/sdl/input.cpp

@@ -915,6 +915,7 @@ GetMouseData (uint32 (&d)[3])
 	{
 		d[2] |= 0x2;
 	}
+	
 
 	// get the mouse position from the SDL video driver
 	t = PtoV (x, y);
@@ -922,8 +923,13 @@ GetMouseData (uint32 (&d)[3])
 	d[1] = (t >> 16) & 0xFFFF;
 	// debug print 
 	// printf("mouse %d %d %d\n", d[0], d[1], d[2]);
+	
+	// Set these for the voxel camera.
+	GtkMouseData[0] = x;
+	GtkMouseData[1] = y;
 }
 
+extern float cameraZ;
 /**
  * Handles outstanding SDL events.
  */
@@ -951,6 +957,21 @@ UpdatePhysicalInput ()
 						FCEU_printf ("Warning: unknown hotkey event %d\n",
 									event.user.code);
 				}
+			case SDL_MOUSEBUTTONDOWN: 
+			// Capture mouse scroll wheel for the voxel camera.
+				switch(event.button.button)
+				{ 
+				case SDL_BUTTON_WHEELUP: 
+					cameraZ -= 10.0f;
+					if (cameraZ < 100.0f)
+						cameraZ = 100.0f;
+					break; 
+				case SDL_BUTTON_WHEELDOWN: 
+					cameraZ += 10.0f;
+					if (cameraZ > 800.0f)
+						cameraZ = 800.0f;
+					break;
+				}
 			default:
 				break;
 		}

trunk/src/drivers/sdl/sdl-opengl.cpp

@@ -25,7 +25,7 @@ static GLuint textures[2]={0,0};	// Normal image, scanline overlay.
 
 static int left,right,top,bottom; // right and bottom are not inclusive.
 static int scanlines;
-static void *HiBuffer;
+void *HiBuffer;
 
 typedef void APIENTRY (*glColorTableEXT_Func)(GLenum target,
 		GLenum internalformat,  GLsizei width, GLenum format, GLenum type,

trunk/src/drivers/sdl/sdl-video.cpp

@@ -23,6 +23,7 @@
 
 #include "sdl.h"
 #include "sdl-opengl.h"
+#include "sdl-voxel.h"
 #include "../common/vidblit.h"
 #include "../../fceu.h"
 #include "../../version.h"
@@ -65,6 +66,7 @@ static int s_inited;
 
 #ifdef OPENGL
 static int s_useOpenGL;
+static int s_voxelEngine;
 #endif
 static double s_exs, s_eys;
 static int s_eefx;
@@ -175,6 +177,7 @@ InitVideo(FCEUGI *gi)
 	g_config->getOption("SDL.DoubleBuffering", &doublebuf);
 #ifdef OPENGL
 	g_config->getOption("SDL.OpenGL", &s_useOpenGL);
+	g_config->getOption("SDL.VoxelEngine", &s_voxelEngine);
 #endif
 	g_config->getOption("SDL.SpecialFilter", &s_sponge);
 	g_config->getOption("SDL.XStretch", &xstretch);
@@ -486,10 +489,16 @@ InitVideo(FCEUGI *gi)
 #ifdef OPENGL
 		if(s_useOpenGL) 
 		{
-			int openGLip;
+			int openGLip, voxelEngine;
 			g_config->getOption("SDL.OpenGLip", &openGLip);
 
-			if(!InitOpenGL(NOFFSET, 256 - (s_clipSides ? 8 : 0),
+			if(s_voxelEngine)
+			{
+				initVoxelGL(NOFFSET, 256 - (s_clipSides ? 8 : 0),
+						s_srendline, s_erendline + 1,
+						s_screen, s_eefx);
+			}
+			else if(!InitOpenGL(NOFFSET, 256 - (s_clipSides ? 8 : 0),
 						s_srendline, s_erendline + 1,
 						s_exs, s_eys, s_eefx,
 						openGLip, xstretch, ystretch, s_screen)) 
@@ -629,7 +638,14 @@ BlitScreen(uint8 *XBuf)
 #ifdef OPENGL
 	// OpenGL is handled separately
 	if(s_useOpenGL) {
-		BlitOpenGL(XBuf);
+		if (s_voxelEngine)
+		{
+			drawVoxelScene(XBuf);
+		}
+		else
+		{
+			BlitOpenGL(XBuf);
+		}
 		return;
 	}
 #endif

trunk/src/input/zapper.cpp

@@ -169,25 +169,26 @@ static void UpdateZapper(int w, void *data, int arg)
 {
 	uint32 *ptr=(uint32 *)data;
 
-    bool newclicked = (ptr[2]&3)!=0;
+	bool newclicked = (ptr[2]&3)!=0;
-    bool oldclicked = (ZD[w].lastInput)!=0;
+	bool oldclicked = (ZD[w].lastInput)!=0;
 
 	if(ZD[w].bogo)
-    {
+	{
 		ZD[w].bogo--;	
-    }
+	}
 
-    ZD[w].lastInput = ptr[2]&3;
+	ZD[w].lastInput = ptr[2]&3;
 
-    //woah.. this looks like broken bit logic.
+	//woah.. this looks like broken bit logic.
 	if(newclicked && !oldclicked)
-    {
+	{
 		ZD[w].bogo=5;
-	    ZD[w].mzb=ptr[2];
+		ZD[w].mzb=ptr[2];
-	    ZD[w].mzx=ptr[0];
+	}
-	    ZD[w].mzy=ptr[1];
-    }
 
+	// Keep this outside of the above if block to keep the crosshairs updated 
+	ZD[w].mzx=ptr[0];
+	ZD[w].mzy=ptr[1];
 }
 
 static void LogZapper(int w, MovieRecord* mr)