- reimplemented zooming (limited range, option to reset)

- video debugging info now written to a file (if flag set)

Makefile.gc

@@ -34,8 +34,8 @@ CFLAGS	=	-g -O2 -Wall $(MACHDEP) $(INCLUDE) \
 			-DCPU_SHUTDOWN -DSPC700_SHUTDOWN \
 			-DSPC700_C -DSDD1_DECOMP \
 			-DCORRECT_VRAM_READS -DNEW_COLOUR_BLENDING \
-			$(CUSTOMFLAGS) \
+			-fomit-frame-pointer -fno-exceptions -Wno-unused-parameter -pipe \
-			-fomit-frame-pointer -fno-exceptions -Wno-unused-parameter -pipe
+			#-D_DEBUG_VIDEO
 CXXFLAGS	=	$(CFLAGS)
 
 LDFLAGS	=	-g $(MACHDEP) -Wl,-Map,$(notdir $@).map -Wl,--cref

Makefile.wii

@@ -34,8 +34,8 @@ CFLAGS	=	-g -O2 -Wall $(MACHDEP) $(INCLUDE) \
 			-DCPU_SHUTDOWN -DSPC700_SHUTDOWN \
 			-DSPC700_C -DSDD1_DECOMP \
 			-DCORRECT_VRAM_READS -DNEW_COLOUR_BLENDING \
-			$(CUSTOMFLAGS) \
+			-fomit-frame-pointer -fno-exceptions -Wno-unused-parameter \
-			-fomit-frame-pointer -fno-exceptions -Wno-unused-parameter # -pipe
+			#-D_DEBUG_VIDEO -pipe
 CXXFLAGS	=	-save-temps -Xassembler -aln=$@.lst $(CFLAGS)
 
 LDFLAGS	=	-g $(MACHDEP) -Wl,-Map,$(notdir $@).map

source/ngc/input.cpp

@@ -479,11 +479,11 @@ void NGCReportButtons ()
 	/*** Check for video zoom ***/
 	if (GCSettings.NGCZoom)
 	{
-		if (gc_py < -18 || gc_py > 18)
+		if (gc_py < -36 || gc_py > 36)
-			zoom ((float) gc_py / -18);
+			zoom ((float) gc_py / -36);
 #ifdef HW_RVL
-		if (wm_sy < -18 || wm_sy > 18)
+		if (wm_sy < -36 || wm_sy > 36)
-			zoom ((float) wm_sy / -18);
+			zoom ((float) wm_sy / -36);
 #endif
 	}
 

source/ngc/menu.cpp

@@ -129,7 +129,7 @@ static char prefmenu[][50] = {
 	"Interpolated Sound",
 	"Transparency",
 	"Display Frame Rate",
-	"C-Stick Zoom",
+	"Enable Zooming",
 	"Video Filtering",
 	"Widescreen",
 
@@ -238,7 +238,7 @@ PreferencesMenu ()
 		sprintf (prefmenu[10], "Display Frame Rate %s",
 			Settings.DisplayFrameRate == true ? " ON" : "OFF");
 
-		sprintf (prefmenu[11], "C-Stick Zoom %s",
+		sprintf (prefmenu[11], "Enable Zooming %s",
 			GCSettings.NGCZoom == true ? " ON" : "OFF");
 
 		if ( GCSettings.render == 0 )
@@ -514,7 +514,7 @@ void CheatMenu()
 int
 GameMenu ()
 {
-	int gamemenuCount = 9;
+	int gamemenuCount = 10;
 	char gamemenu[][50] = {
 	  "Return to Game",
 	  "Reset Game",
@@ -522,6 +522,7 @@ GameMenu ()
 	  "Cheats",
 	  "Load SRAM", "Save SRAM",
 	  "Load Game Snapshot", "Save Game Snapshot",
+	  "Reset Zoom",
 	  "Back to Main Menu"
 	};
 
@@ -590,9 +591,13 @@ GameMenu ()
 			case 7: // Save Freeze
 				NGCFreezeGame (GCSettings.SaveMethod, NOTSILENT);
 				break;
+				
+			case 8:	// Reset Zoom
+				zoom_reset ();
+				break;
 
 			case -1: // Button B
-			case 8: // Return to previous menu
+			case 9: // Return to previous menu
 				retval = 0;
 				quit = 1;
 				break;

source/ngc/snes9xGX.cpp

@@ -61,6 +61,8 @@ extern "C" {
 
 unsigned long ARAM_ROMSIZE = 0;
 int ConfigRequested = 0;
+FILE* debughandle;
+
 extern int FrameTimer;
 
 extern long long prev;
@@ -164,10 +166,17 @@ emulate ()
 			//S9xReportControllers ();
 
 			ConfigRequested = 0;
+			
+			#ifdef _DEBUG_VIDEO
+			// log stuff
+			fprintf(debughandle, "\n\nPlaying ROM: %s", Memory.ROMFilename);
+			fprintf(debughandle, "\nrender: %u", GCSettings.render);
+			#endif
 
 			CheckVideo = 1;	// force video update
 			prevRenderedFrameCount = IPPU.RenderedFramesCount;
 
+
 		}//if ConfigRequested
 
 	}//while
@@ -249,6 +258,11 @@ main ()
 
 	// Initialize libFAT for SD and USB
 	fatInitDefault();
+	
+	#ifdef _DEBUG_VIDEO
+	// log stuff
+	debughandle = fopen ("log.txt", "wb");
+	#endif
 
 	// Initialize DVD subsystem (GameCube only)
 	#ifndef HW_RVL

source/ngc/video.cpp

@@ -48,6 +48,10 @@ GXTexObj texobj;
 Mtx view;
 int vwidth, vheight, oldvwidth, oldvheight;
 
+float zoom_level = 1;
+int zoom_xshift = 0;
+int zoom_yshift = 0;
+
 u32 FrameTimer = 0;
 
 u8 vmode_60hz = 0;
@@ -334,8 +338,7 @@ draw_init ()
 	GX_SetNumChans (0);
 
 	GX_SetTexCoordGen (GX_TEXCOORD0, GX_TG_MTX2x4, GX_TG_TEX0, GX_IDENTITY);
-	//GX_SetTevOp (GX_TEVSTAGE0, GX_DECAL);
+
-	//GX_SetTevOrder (GX_TEVSTAGE0, GX_TEXCOORD0, GX_TEXMAP0, GX_COLOR0A0);
 	GX_SetTevOp (GX_TEVSTAGE0, GX_REPLACE);
 	GX_SetTevOrder (GX_TEVSTAGE0, GX_TEXCOORD0, GX_TEXMAP0, GX_COLORNULL);
 
@@ -409,8 +412,6 @@ StartGX ()
 
 	gui_alphasetup ();
 
-//	guPerspective (p, 60, 1.33F, 10.0F, 1000.0F);
-//	GX_LoadProjectionMtx (p, GX_PERSPECTIVE);
 	guOrtho(p, vmode->efbHeight/2, -(vmode->efbHeight/2), -(vmode->fbWidth/2), vmode->fbWidth/2, 10, 1000);	// matrix, t, b, l, r, n, f
 	GX_LoadProjectionMtx (p, GX_ORTHOGRAPHIC);
 
@@ -553,9 +554,7 @@ ResetVideo_Emu ()
 			TV_478i.viTVMode = VI_TVMODE_PAL_INT;
 			TV_224p.viTVMode = VI_TVMODE_PAL_DS;
 			TV_448i.viTVMode = VI_TVMODE_PAL_INT;
-			// set VI sizing
+			// set VI position
-			//TV_239p.viWidth = TV_478i.viWidth = TV_224p.viWidth = TV_448i.viWidth = 640;
-			//TV_239p.viHeight = TV_478i.viHeight = TV_224p.viHeight = TV_448i.viHeight = 480;
 			TV_239p.viXOrigin = TV_478i.viXOrigin = TV_224p.viXOrigin = TV_448i.viXOrigin = (VI_MAX_WIDTH_PAL - 640)/2;
 			TV_239p.viYOrigin = TV_478i.viYOrigin = (VI_MAX_HEIGHT_PAL/2 - 478/2)/2;
 			TV_224p.viYOrigin = TV_448i.viYOrigin = (VI_MAX_HEIGHT_PAL/2 - 448/2)/2;
@@ -569,9 +568,7 @@ ResetVideo_Emu ()
 			TV_478i.viTVMode = VI_TVMODE_NTSC_INT;
 			TV_224p.viTVMode = VI_TVMODE_NTSC_DS;
 			TV_448i.viTVMode = VI_TVMODE_NTSC_INT;
-			// set VI sizing
+			// set VI position
-			//TV_239p.viWidth = TV_478i.viWidth = TV_224p.viWidth = TV_448i.viWidth = 640;
-			//TV_239p.viHeight = TV_478i.viHeight = TV_224p.viHeight = TV_448i.viHeight = 480;
 			TV_239p.viXOrigin = TV_224p.viXOrigin = TV_478i.viXOrigin = TV_448i.viXOrigin = (VI_MAX_WIDTH_NTSC - 640)/2;
 			TV_239p.viYOrigin = TV_478i.viYOrigin = (VI_MAX_HEIGHT_NTSC/2 - 478/2)/2;
 			TV_224p.viYOrigin = TV_448i.viYOrigin = (VI_MAX_HEIGHT_NTSC/2 - 448/2)/2;
@@ -585,9 +582,7 @@ ResetVideo_Emu ()
 			TV_478i.viTVMode = VI_TVMODE(vmode->viTVMode >> 2, VI_INTERLACE);
 			TV_224p.viTVMode = VI_TVMODE(vmode->viTVMode >> 2, VI_NON_INTERLACE);
 			TV_448i.viTVMode = VI_TVMODE(vmode->viTVMode >> 2, VI_INTERLACE);
-			// set VI sizing
+			// set VI position
-			//TV_239p.viWidth = TV_478i.viWidth = TV_224p.viWidth = TV_448i.viWidth = 640;
-			//TV_239p.viHeight = TV_478i.viHeight = TV_224p.viHeight = TV_448i.viHeight = 480;
 			TV_239p.viXOrigin = TV_224p.viXOrigin = TV_478i.viXOrigin = TV_448i.viXOrigin = (VI_MAX_WIDTH_NTSC - 640)/2;
 			TV_239p.viYOrigin = TV_478i.viYOrigin = (VI_MAX_HEIGHT_NTSC/2 - 478/2)/2;
 			TV_224p.viYOrigin = TV_448i.viYOrigin = (VI_MAX_HEIGHT_NTSC/2 - 448/2)/2;
@@ -595,10 +590,9 @@ ResetVideo_Emu ()
 			break;
 	}
 
-
+	int i = -1;
 	if (GCSettings.render == 0)	// original render mode
 	{
-		int i;
 		for (i=0; i<4; i++) {
 			if (tvmodes[i]->efbHeight == vheight) {
 				// FIX: ok?
@@ -637,20 +631,14 @@ ResetVideo_Emu ()
 	GX_SetFieldMode (rmode->field_rendering, ((rmode->viHeight == 2 * rmode->xfbHeight) ? GX_ENABLE : GX_DISABLE));
 	GX_SetPixelFmt (GX_PF_RGB8_Z24, GX_ZC_LINEAR);
 
-//	guPerspective (p, 60, 1.33F, 10.0F, 1000.0F);
-//	GX_LoadProjectionMtx (p, GX_PERSPECTIVE);
 	guOrtho(p, rmode->efbHeight/2, -(rmode->efbHeight/2), -(rmode->fbWidth/2), rmode->fbWidth/2, 10, 1000);	// matrix, t, b, l, r, n, f
 	GX_LoadProjectionMtx (p, GX_ORTHOGRAPHIC);
 
-
+	#ifdef _DEBUG_VIDEO
-	/*
+	// log stuff
-		// DEBUG
+	fprintf(debughandle, "\n\nrmode = tvmodes[%d], field_rendering: %d", i, (rmode->viHeight == 2 * rmode->xfbHeight));
-		char* msg = (char*) malloc(256*sizeof(char));
+	fprintf(debughandle, "\nInterlaced: %i,\t vwidth: %d, vheight: %d,\t fb_W: %u, efb_H: %u", IPPU.Interlace, vwidth, vheight, rmode->fbWidth, rmode->efbHeight);
-		sprintf (msg, (char*)"Interlaced: %i, vwidth: %d, vheight: %d, fb_W: %u, efb_H: %u", IPPU.Interlace, vwidth, vheight, rmode->fbWidth, rmode->efbHeight);
+	#endif
-		S9xMessage (0, 0, msg);
-		free(msg);
-	*/
-
 
 }
 
@@ -682,8 +670,6 @@ ResetVideo_Menu ()
 	GX_SetFieldMode (vmode->field_rendering, ((vmode->viHeight == 2 * vmode->xfbHeight) ? GX_ENABLE : GX_DISABLE));
 	GX_SetPixelFmt (GX_PF_RGB8_Z24, GX_ZC_LINEAR);
 
-//	guPerspective (p, 60, 1.33F, 10.0F, 1000.0F);
-//	GX_LoadProjectionMtx (p, GX_PERSPECTIVE);
 	guOrtho(p, vmode->efbHeight/2, -(vmode->efbHeight/2), -(vmode->fbWidth/2), vmode->fbWidth/2, 10, 1000);	// matrix, t, b, l, r, n, f
 	GX_LoadProjectionMtx (p, GX_ORTHOGRAPHIC);
 }
@@ -782,6 +768,9 @@ update_video (int width, int height)
 		// yes its pretty cheap and ugly, but its easy!
 		if (GCSettings.widescreen)
 			xscale -= (4.0*yscale)/9;
+			
+		xscale *= zoom_level;
+		yscale *= zoom_level;
 
 		square[6] = square[3]  =  xscale + xshift;
 		square[0] = square[9]  = -xscale + xshift;
@@ -797,26 +786,16 @@ update_video (int width, int height)
 
 		GX_LoadTexObj (&texobj, GX_TEXMAP0);	// load texture object so its ready to use
 
-		/*
+		#ifdef _DEBUG_VIDEO
-		// DEBUG
+		// log stuff
-		char* msg = (char*) malloc(256*sizeof(char));
+		fprintf(debughandle, "\nxscale: %d, yscale: %d", xscale, yscale);
-		sprintf (msg, (char*)"xscale: %d, yscale: %d", xscale, yscale);
+		#endif
-		S9xMessage (0, 0, msg);
-		free(msg);
-		*/
 
 		oldvwidth = vwidth;
 		oldvheight = vheight;
 		CheckVideo = 0;
 	}
 
-	/*
-	// for zooming
-	memset (&view, 0, sizeof (Mtx));
-	guLookAt(view, &cam.pos, &cam.up, &cam.view);
-	GX_LoadPosMtxImm (view, GX_PNMTX0);
-	*/
-
 	MakeTexture ((char *) GFX.Screen, (char *) texturemem, vwidth, vheight);	// convert image to texture
 
 	DCFlushRange (texturemem, TEX_WIDTH * TEX_HEIGHT * 2);	// update the texture memory
@@ -836,34 +815,27 @@ update_video (int width, int height)
 
 }
 
-// FIX
 /****************************************************************************
  * Zoom Functions
  ***************************************************************************/
 void
 zoom (float speed)
 {
-	Vector v;
+	if (zoom_level > 1)
-
+		zoom_level += (speed / -100.0);
-	v.x = cam.view.x - cam.pos.x;
+	else
-	v.y = cam.view.y - cam.pos.y;
+		zoom_level += (speed / -200.0);
-	v.z = cam.view.z - cam.pos.z;
+	
-
+	if (zoom_level < 0.5) zoom_level = 0.5;
-	cam.pos.x += v.x * speed;
+	else if (zoom_level > 10.0) zoom_level = 10.0;
-	cam.pos.z += v.z * speed;
+	
-	cam.view.x += v.x * speed;
-	cam.view.z += v.z * speed;
-
 	oldvheight = 0;	// update video
 }
 
 void
 zoom_reset ()
 {
-	// reset cam to defaults
+	zoom_level = 1.0;
-	cam.pos.x = cam.pos.y = cam.pos.z = cam.up.x = cam.up.z = 0.0F;
-	cam.up.y = 0.0F;
-	cam.view.z = -0.5F;
 
 	oldvheight = 0;	// update video
 }

source/ngc/video.h

@@ -28,4 +28,9 @@ void zoom_reset ();
 
 extern bool progressive;
 
+#ifdef _DEBUG_VIDEO
+ // log stuff
+extern FILE * debughandle;
+#endif
+
 #endif