PhracturedBlue's planet stuff fixes, details in ChangeLog

git-svn-id: svn://svn.code.sf.net/p/sc2/code/trunk@390 8092fc87-c524-0410-9efc-e669fe64eaf9

sc2/src/sc2code/gameopt.c

@@ -1150,6 +1150,7 @@ PickGame (PMENU_STATE
 	if (pSolarSysState)
 	{
 		++pSolarSysState->MenuState.Initialized;
+		pSolarSysState->PauseRotate = 1;
 		TaskSwitch ();
 	}
 
@@ -1197,6 +1198,8 @@ if (CommData.ConversationPhrases
 		if (pSolarSysState)
 		{
 			--pSolarSysState->MenuState.Initialized;
+			pSolarSysState->PauseRotate = 0;
+
 			if (CommData.ConversationPhrases == 0 && !PLRPlaying ((MUSIC_REF)~0))
 			{
 				if (pSolarSysState->MenuState.Initialized < 3)

sc2/src/sc2code/libs/graphics/sdl/3do_getbody.c

@@ -133,32 +133,38 @@ process_font (FRAMEPTR FramePtr, SDL_Surface *img[], int cel_ct)
 //stretch_frame
 // create a new frame of size neww x newh, and blit a scaled version FramePtr into it 
 // destroy the old frame if 'destroy' is 1
-FRAMEPTR stretch_frame (FRAMEPTR FramePtr, int neww, int newh,int destroy)
+FRAMEPTR stretch_frame (FRAMEPTR FramePtr, int neww, int newh, int destroy)
 {
 	FRAMEPTR NewFrame;
 	UBYTE type;
-	SDL_Surface *src,*dst;
+	TFB_Image *tfbImg;
+	SDL_Surface *src, *dst;
 	type = (UBYTE)TYPE_GET (GetFrameParentDrawable (FramePtr)
 			->FlagsAndIndex) >> FTYPE_SHIFT;
 	NewFrame = CaptureDrawable (
 				CreateDrawable (type, (SIZE)neww, (SIZE)newh, 1)
 					);
-    src = ((TFB_Image *)((BYTE *)(FramePtr) + FramePtr->DataOffs))->NormalImg;
+	tfbImg = (TFB_Image *)((BYTE *)(FramePtr) + FramePtr->DataOffs);
+	LockMutex (tfbImg->mutex);
+    src = tfbImg->NormalImg;
     dst = ((TFB_Image *)((BYTE *)(NewFrame) + NewFrame->DataOffs))->NormalImg;
 	SDL_LockSurface (src);
+	SDL_LockSurface (dst);
 
 	zoomSurfaceRGBA(src, dst, 0);
+	SDL_UnlockSurface (dst);
 	SDL_UnlockSurface (src);
-	if(destroy) {
+	UnlockMutex (tfbImg->mutex);
+	if (destroy)
 		DestroyDrawable (ReleaseDrawable (FramePtr));
-	}
+	return (NewFrame);
-	return(NewFrame);
 }
 
 void process_rgb_bmp (FRAMEPTR FramePtr, Uint32 *rgba, int maxx, int maxy)
 {
 	int x, y;
-	SDL_Surface *img;				
+	TFB_Image *tfbImg;
+	SDL_Surface *img;
 	PutPixelFn putpix;
 
 //	TYPE_SET (FramePtr->TypeIndexAndFlags, WANT_PIXMAP << FTYPE_SHIFT);
@@ -166,30 +172,34 @@ void process_rgb_bmp (FRAMEPTR FramePtr, Uint32 *rgba, int maxx, int maxy)
 
 
 	// convert 32-bit png font to indexed
-    img = ((TFB_Image *)((BYTE *)(FramePtr) + FramePtr->DataOffs))->NormalImg;
+	tfbImg = (TFB_Image *)((BYTE *)(FramePtr) + FramePtr->DataOffs);
+	LockMutex (tfbImg->mutex);
+    img = tfbImg->NormalImg;
 	SDL_LockSurface (img);
 
 	putpix = putpixel_for (img);
 
 	for (y = 0; y < maxy; ++y)
-	{
 		for (x = 0; x < maxx; ++x)
-		{
 			putpix (img, x, y, *rgba++);
-		}
-	}
 	SDL_UnlockSurface (img);
+	UnlockMutex (tfbImg->mutex);
 }
 
 void fill_frame_rgb (FRAMEPTR FramePtr, Uint32 color, int x0, int y0, int x, int y)
 {
 	SDL_Surface *img;
+	TFB_Image *tfbImg;
 	SDL_Rect rect;
-    img = ((TFB_Image *)((BYTE *)(FramePtr) + FramePtr->DataOffs))->NormalImg;
+
+	tfbImg = (TFB_Image *)((BYTE *)(FramePtr) + FramePtr->DataOffs);
+	LockMutex (tfbImg->mutex);
+    img = tfbImg->NormalImg;
 	SDL_LockSurface (img);
-	if (x0 == 0 && y0 == 0 && x == 0 && y == 0) {
+	if (x0 == 0 && y0 == 0 && x == 0 && y == 0)
 		SDL_FillRect(img, NULL, color);
-	} else {
+	else
+	{
 		rect.x = x0;
 		rect.y = y0;
 		rect.w = x - x0;
@@ -197,40 +207,88 @@ void fill_frame_rgb (FRAMEPTR FramePtr, Uint32 color, int x0, int y0, int x, int
 		SDL_FillRect(img, &rect, color);
 	}
 	SDL_UnlockSurface (img);
+	UnlockMutex (tfbImg->mutex);
+}
+void add_sub_frame (FRAMEPTR srcFrame, RECT *rsrc, FRAMEPTR dstFrame, RECT *rdst, int add_sub)
+{
+	int add = 0, sub = 0;
+	TFB_Image *srcImg, *dstImg;
+	SDL_Surface *src, *dst;
+	SDL_Rect srcRect, dstRect, *srp = NULL, *drp = NULL;
+	srcImg = (TFB_Image *)((BYTE *)(srcFrame)  + srcFrame->DataOffs);
+	dstImg = (TFB_Image *)((BYTE *)(dstFrame)  + dstFrame->DataOffs);
+	LockMutex (srcImg->mutex);
+	LockMutex (dstImg->mutex);
+	src = srcImg->NormalImg;
+	dst = dstImg->NormalImg;
+	if (rsrc)
+	{
+		srcRect.x = rsrc->corner.x;
+		srcRect.y = rsrc->corner.y;
+		srcRect.w = rsrc->extent.width;
+		srcRect.h = rsrc->extent.height;
+		srp = &srcRect;
+	}
+	if (rdst)
+	{
+		dstRect.x = rdst->corner.x;
+		dstRect.y = rdst->corner.y;
+		dstRect.w = rdst->extent.width;
+		dstRect.h = rdst->extent.height;
+		drp = &dstRect;
+	}
+	if (add_sub > 0)
+	{
+		add = -1;
+		sub = 1;
+	} 
+	else if (add_sub < 0) 
+	{
+		add = 1;
+		sub = -1;
+	}
+	TFB_BlitSurface (src, srp, dst, drp, sub, add);
+	UnlockMutex (srcImg->mutex);
+	UnlockMutex (dstImg->mutex);
 }
 
-	// Generate an array of all pixels in FramePtr
+// Generate an array of all pixels in FramePtr
 // The pixel format is :
 //  bits 25-32 : red
 //  bits 17-24 : green
 //  bits 9-16  : blue
 //  bits 1-8   : alpha
-Uint32 **getpixelarray(FRAMEPTR FramePtr,int width, int height)
+Uint32 **getpixelarray(FRAMEPTR FramePtr, int width, int height)
 {
 	Uint8 r,g,b,a;
 	Uint32 p, **map;
+	TFB_Image *tfbImg;
 	SDL_Surface *img;
 	GetPixelFn getpix;
 	int x,y;
 
-    img = ((TFB_Image *)((BYTE *)(FramePtr) + FramePtr->DataOffs))->NormalImg;
+	tfbImg = (TFB_Image *)((BYTE *)(FramePtr) + FramePtr->DataOffs);
+	LockMutex (tfbImg->mutex);
+    img = tfbImg->NormalImg;
 	SDL_LockSurface (img);
 	getpix = getpixel_for (img);
-	map=(Uint32 **)HMalloc(sizeof(Uint32 *)*(height+1));
+	map=(Uint32 **)HMalloc (sizeof(Uint32 *) * (height + 1));
-	for (y=0;y<height;y++) {
+	for (y = 0; y < height; y++)
-		map[y]=(Uint32 *)HCalloc(width*sizeof(Uint32));
+	{
-		if(y>=img->h) {
+		map[y]=(Uint32 *)HCalloc (width * sizeof(Uint32));
+		if(y >= img->h)
 			continue;
-		}
+		for(x = 0; x < img->w; x++)
-		for(x=0;x<img->w;x++) {
+		{
-				p=getpix(img,x,y);
+				p = getpix (img, x, y);
-				SDL_GetRGBA(p,img->format,&r,&g,&b,&a);
+				SDL_GetRGBA (p,img->format, &r, &g, &b, &a);
-				map[y][x]=r<<24 | g<<16 | b<<8 | a;
+				map[y][x] = r << 24 | g << 16 | b << 8 | a;
 		}
 	}
 	SDL_UnlockSurface (img);
-	map[y]=NULL;
+	UnlockMutex (tfbImg->mutex);
-	return(map);
+	map[y] = NULL;
+	return (map);
 
 }
 // Generate a pixel (in the correct format to be applied to FramePtr) from the
@@ -238,7 +296,7 @@ Uint32 **getpixelarray(FRAMEPTR FramePtr,int width, int height)
 Uint32 frame_mapRGBA (FRAMEPTR FramePtr,Uint8 r, Uint8 g,  Uint8 b, Uint8 a)
 {
 	SDL_Surface *img= ((TFB_Image *)((BYTE *)(FramePtr) + FramePtr->DataOffs))->NormalImg;
-	return(SDL_MapRGBA(img->format,r,g,b,a));
+	return (SDL_MapRGBA (img->format, r, g, b, a));
 }
 
 MEM_HANDLE

sc2/src/sc2code/planets/lander.c

@@ -21,6 +21,10 @@
 #include "lifeform.h"
 #include "libs/graphics/gfx_common.h"
 
+//define SPIN_ON_LAUNCH tolet the planet spin while
+// the lander animation is playing
+#undef SPIN_ON_LAUNCH
+
 //Added by Chris
 
 void InsertPrim (PRIM_LINKS *pLinks, COUNT primIndex, COUNT iPI);
@@ -1445,6 +1449,9 @@ InitPlanetSide (void)
 		DrawStamp (&s);
 		ClearSemaphore (GraphicsSem);
 	}
+#ifndef SPIN_ON_LAUNCH
+	pSolarSysState->PauseRotate = 1;
+#endif
 	SleepThreadUntil (Time + (ONE_SECOND / 15));
 
 	SetSemaphore (GraphicsSem);
@@ -1452,7 +1459,12 @@ InitPlanetSide (void)
 			GAME_SOUND_PRIORITY + 1);
 	SetContext (SpaceContext);
 	AnimateLaunch (LanderFrame[5], FALSE);
-
+#ifdef SPIN_ON_LAUNCH
+	pSolarSysState->PauseRotate = 1;
+	ClearSemaphore (GraphicsSem);
+	SleepThread (1);
+	SetSemaphore (GraphicsSem);
+#endif
 	// Adjust pSolarSysState->MenuState.first_item by a random jitter.
 #define RANDOM_MISS 64
 	pt = pSolarSysState->MenuState.first_item;
@@ -1853,7 +1865,7 @@ ReturnToOrbit (PRECT pRect)
 	SetContext (OldContext);
 	ClearSemaphore (GraphicsSem);
 
-	SetPlanetTilt (0);
+//	SetPlanetTilt (0);
 }
 
 void
@@ -1997,13 +2009,17 @@ PlanetSide (PMENU_STATE pMS)
 			}
 
 			ReturnToOrbit (&r);
-
+#ifdef SPIN_ON_LAUNCH
-			pSolarSysState->MenuState.Initialized -= 4;
+			// If PauseRotate is set to 2 the plaet will be displayed, but won't rotate
+			// Until the lander animation is complete
+			pSolarSysState->PauseRotate = 0;
+			// Give The RotatePlanet thread a slice to draw the planet
 			SleepThread (1);
-			pSolarSysState->MenuState.Initialized += 4;
+#endif
 
 			SetSemaphore (GraphicsSem);
 			SetContext (SpaceContext);
+
 			AnimateLaunch (LanderFrame[6], TRUE);
 			DeltaSISGauges (crew_left, 0, 0);
 
@@ -2054,6 +2070,7 @@ PlanetSide (PMENU_STATE pMS)
 	MenuSounds = PSD.OldMenuSounds;
 	
 	pSolarSysState->MenuState.Initialized -= 4;
+	pSolarSysState->PauseRotate = 0;
 }
 
 void

sc2/src/sc2code/planets/pl_stuff.c

@@ -20,15 +20,27 @@
 #include "libs/graphics/gfx_common.h"
 #include "libs/graphics/drawable.h"
 
+// define USE_ADDITIVE_SCAN_BLIT to use additive blittting
+// instead of transparency for the planet scans.
+// It still doesn't look right though (it is too bright)
+#define USE_ADDITIVE_SCAN_BLIT
+
 DWORD frame_mapRGBA (FRAME FramePtr,UBYTE r, UBYTE g,  UBYTE b, UBYTE a);
 
 DWORD frame_mapRGBA (FRAME FramePtr,UBYTE r, UBYTE g,  UBYTE b, UBYTE a);
 
 void process_rgb_bmp (FRAME FramePtr, DWORD *rgba, int maxx, int maxy);
+
 void fill_frame_rgb (FRAMEPTR FramePtr, DWORD color, int x0, int y0, int x, int y);
 
+void add_sub_frame (FRAMEPTR srcFrame, RECT *rsrc, FRAMEPTR dstFrame, RECT *rdst, int add_sub);
+
 extern FRAME stretch_frame (FRAME FramePtr, int neww, int newh,int destroy);
-extern void RenderLevelMasks (int, int);
+
+extern void RenderLevelMasks (int);
+
+void RepairBackRect (PRECT pRect);
+
 // RotatePlanet
 // This will take care of zooming into a planet on orbit, generating the planet frames
 // And applying the shield.
@@ -45,10 +57,13 @@ RotatePlanet (int x, int da, int dx, int dy, int zoom)
 	FRAME pFrame[2];
 	COUNT i, num_frames;
 	static COUNT scale_amt = PLANET_INIT_ZOOM_SIZE;
+	RECT r,  *rp = NULL;
+	CONTEXT OldContext;
+
 
 	// If thiis frame hasn' been generted, generate it
 	if (! pSolarSysState->isPFADefined[x]) {
-		RenderLevelMasks (x, da);
+		RenderLevelMasks (x);
 		pSolarSysState->isPFADefined[x] = 1;
 	}
 	num_frames = (pSolarSysState->ShieldFrame == 0) ? 1 : 2;
@@ -56,8 +71,14 @@ RotatePlanet (int x, int da, int dx, int dy, int zoom)
 	if (num_frames == 2)
 		pFrame[1] = pSolarSysState->ShieldFrame;
 	if (zoom)
-	{
+	{	
-		//  we're zooming in, take care of scalinng the frames
+		r.corner.x = 0;
+		r.corner.y = 0;
+		r.extent.width = SIS_SCREEN_WIDTH;
+		r.extent.height = SIS_SCREEN_HEIGHT - MAP_HEIGHT;
+		rp = &r;
+
+		//  we're zooming in, take care of scaling the frames
 		for (i=0; i < num_frames; i++)
 		{
 			COUNT frameh, this_scale;
@@ -91,6 +112,11 @@ RotatePlanet (int x, int da, int dx, int dy, int zoom)
 			zoom = 0;
 		}
 	}
+	SetSemaphore (GraphicsSem);
+	OldContext = SetContext (SpaceContext);
+	BatchGraphics ();
+	if (rp)
+		RepairBackRect (rp);
 	s.origin.x = dx;
 	s.origin.y = dy;
 	for (i = 0; i < num_frames; i++)
@@ -98,6 +124,9 @@ RotatePlanet (int x, int da, int dx, int dy, int zoom)
 		s.frame = pFrame[i];
 		DrawStamp (&s);
 	}
+	UnbatchGraphics ();
+	SetContext (OldContext);
+	ClearSemaphore (GraphicsSem);
 	return (zoom);
 }
 
@@ -109,35 +138,50 @@ DrawPlanet (int x, int y, int dy, unsigned int rgb)
 	s.origin.x = x;
 	s.origin.y = y;
 	s.frame = pSolarSysState->TopoFrame;
-	DrawStamp (&s);
 	if (pSolarSysState->ShieldFrame != 0)
 	{
 		rgb = 0x1f << 10;
 		dy = GetFrameHeight (s.frame);
 		a = 200;
 	}
-	if (rgb)
+	BatchGraphics ();
+	if (! rgb)
+		DrawStamp (&s);
+	else
 	{
 		UBYTE r, g, b;
 		DWORD p;
 		COUNT framew;
-		FRAME tintFrame=pSolarSysState->TintFrame;
+		RECT drect;
-
+		FRAME tintFrame = pSolarSysState->TintFrame[0];
+		FRAME tintLine = pSolarSysState->TintFrame[1];
 		if (rgb != pSolarSysState->Tint_rgb)
 		{
-			DWORD clear;
 			pSolarSysState->Tint_rgb=rgb;
-			clear = frame_mapRGBA (tintFrame, 0, 0, 0, 0);
+			// Buffer the topoMap to the tintFrame;
-			fill_frame_rgb (tintFrame, clear, 0, 0, 0, 0);
+			add_sub_frame (s.frame, NULL, tintFrame, NULL, 0);
+			r = (rgb & (0x1f << 10)) >> 8;
+			g = (rgb & (0x1f << 5)) >> 3;
+			b = (rgb & 0x1f) << 2;
+#ifdef USE_ADDITIVE_SCAN_BLIT
+			a = 255;
+#endif
+			p = frame_mapRGBA (tintFrame, r, g, b, a);
+			fill_frame_rgb (tintLine, p, 0, 0, 0, 0);
 		}
 		framew = GetFrameWidth (tintFrame);
-		r = (rgb & (0x1f << 10)) >> 8;
+		drect.corner.x = 0;
-		g = (rgb & (0x1f << 5)) >> 3;
+		drect.corner.y = dy;
-		b = (rgb & 0x1f) << 2;
+		drect.extent.width = framew;
-		p = frame_mapRGBA (tintFrame, r, g, b, a);
+		drect.extent.height = 1;
-		fill_frame_rgb (tintFrame, p, 0, 0, framew, dy);
+#ifdef USE_ADDITIVE_SCAN_BLIT
+		add_sub_frame (tintLine, NULL, tintFrame, &drect, 1);
+#else
+		add_sub_frame (tintLine, NULL, tintFrame, &drect, 0);
+#endif
 		s.frame = tintFrame;
 		DrawStamp (&s);
 	}
+	UnbatchGraphics ();
 }
 

sc2/src/sc2code/planets/planets.c

@@ -61,7 +61,6 @@ void
 LoadPlanet (BOOLEAN IsDefined)
 {
 	STAMP s;
-
 	SetSemaphore (GraphicsSem);
 
 	BatchGraphics ();
@@ -114,16 +113,11 @@ LoadPlanet (BOOLEAN IsDefined)
 		}
 		DrawSISMessage (NULL_PTR);
 		DrawSISTitle (GLOBAL_SIS (PlanetName));
-
-		DrawStarBackGround (TRUE);
 	}
 
 	SetContext (SpaceContext);
 	SetContextDrawState (DEST_PIXMAP | DRAW_REPLACE);
 
-	BatchGraphics ();
-	DrawPlanet (SIS_SCREEN_WIDTH - MAP_WIDTH, SIS_SCREEN_HEIGHT - MAP_HEIGHT, 0, 0);
-	UnbatchGraphics ();
 
 	s.frame = pSolarSysState->PlanetSideFrame[2];
 	if (s.frame)
@@ -137,6 +131,10 @@ LoadPlanet (BOOLEAN IsDefined)
 	{
 		RECT r;
 
+		BatchGraphics ();
+		DrawPlanet (SIS_SCREEN_WIDTH - MAP_WIDTH, SIS_SCREEN_HEIGHT - MAP_HEIGHT, 0, 0);
+		UnbatchGraphics ();
+
 		r.corner.x = SIS_ORG_X;
 		r.corner.y = SIS_ORG_Y;
 		r.extent.width = SIS_SCREEN_WIDTH;
@@ -167,12 +165,19 @@ LoadPlanet (BOOLEAN IsDefined)
 	if (LastActivity & CHECK_LOAD)
 	{
 		RECT r;
+		CONTEXT oldContext;
 
 		r.corner.x = SIS_ORG_X;
 		r.corner.y = SIS_ORG_Y;
 		r.extent.width = SIS_SCREEN_WIDTH;
 		r.extent.height = SIS_SCREEN_HEIGHT;
 		SetSemaphore (GraphicsSem);
+		oldContext = SetContext (SpaceContext);
+		DrawStarBackGround (TRUE);
+		SetContext (oldContext);
+		BatchGraphics();
+		DrawPlanet (SIS_SCREEN_WIDTH - MAP_WIDTH, SIS_SCREEN_HEIGHT - MAP_HEIGHT, 0, 0);
+		UnbatchGraphics();
 		ScreenTransition (3, &r);
 		UnbatchGraphics ();
 		LoadIntoExtraScreen (&r);
@@ -220,22 +225,24 @@ FreePlanet (void)
 	HFree (pSolarSysState->isPFADefined);
 	pSolarSysState->isPFADefined = 0;
 	for (i = 0; i < 2; i++)
+	{
 		if (pSolarSysState->ScaleFrame[i]) 
 		{
 			DestroyDrawable (ReleaseDrawable (pSolarSysState->ScaleFrame[i]));
 			pSolarSysState->ScaleFrame[i]=0;
 		}
+		if (pSolarSysState->TintFrame[i])
+		{
+			DestroyDrawable (ReleaseDrawable (pSolarSysState->TintFrame[i]));
+			pSolarSysState->TintFrame[i] = 0;
+		}
+	}
+	pSolarSysState->Tint_rgb = 0;
 	if(pSolarSysState->ShieldFrame != 0)
 	{
 		DestroyDrawable (ReleaseDrawable (pSolarSysState->ShieldFrame));
 		pSolarSysState->ShieldFrame = 0;
 	}
-	if (pSolarSysState->TintFrame != 0)
-	{
-		DestroyDrawable (ReleaseDrawable (pSolarSysState->TintFrame));
-		pSolarSysState->TintFrame = 0;
-	}
-	pSolarSysState->Tint_rgb = 0;
 	if (pSolarSysState->lpTopoMap!=0)
 	{
 		for (i=0; pSolarSysState->lpTopoMap[i] != NULL; i++)

sc2/src/sc2code/planets/planets.h

@@ -169,9 +169,10 @@ typedef struct solarsys_state
 	BYTE *isPFADefined;
 	FRAME ScaleFrame[2];
 	FRAME ShieldFrame;
-	FRAME TintFrame;
+	FRAME TintFrame[2];
 	UWORD Tint_rgb;
 	DWORD **lpTopoMap;
+	UBYTE PauseRotate;
 } SOLARSYS_STATE;
 typedef SOLARSYS_STATE *PSOLARSYS_STATE;
 

sc2/src/sc2code/planets/plangen.c

@@ -1087,9 +1087,12 @@ GeneratePlanetMask (PPLANET_DESC pPlanetDesc, BOOLEAN IsEarth)
 
 	OldContext = SetContext (TaskContext);
 	pSolarSysState->isPFADefined = (BYTE *)HCalloc (sizeof(BYTE) * 255);
-	pSolarSysState->TintFrame = CaptureDrawable (
+	pSolarSysState->TintFrame[0] = CaptureDrawable (
 			CreateDrawable (WANT_PIXMAP, (SWORD)MAP_WIDTH, (SWORD)MAP_HEIGHT, 1)
 			);
+	pSolarSysState->TintFrame[1] = CaptureDrawable (
+			CreateDrawable (WANT_PIXMAP, (SWORD)MAP_WIDTH, (SWORD)1, 1)
+			);
 
 	pSolarSysState->PlanetFrameArray = CaptureDrawable (
 			CreateDrawable (WANT_PIXMAP, DIAMETER, DIAMETER, (COUNT)MAP_WIDTH)
@@ -1276,30 +1279,18 @@ rotate_planet_task (void *data)
 		view_index = MAP_WIDTH;
 		do
 		{
-			CONTEXT OldContext;
+			if (((PSOLARSYS_STATE volatile)pSS)->PauseRotate !=1
-			
+//			if (((PSOLARSYS_STATE volatile)pSS)->MenuState.Initialized <= 3
-			SetSemaphore (GraphicsSem);
-			if (((PSOLARSYS_STATE volatile)pSS)->MenuState.Initialized <= 3
 					&& !(GLOBAL (CurrentActivity) & CHECK_ABORT))
 			{
-				OldContext = SetContext (SpaceContext);
+				//PauseRotate == 2 is a single-step
-				BatchGraphics ();
+				if (((PSOLARSYS_STATE volatile)pSS)->PauseRotate == 2)
-				if (repair)
+					pSS->PauseRotate = 1;
-				{
+
-					RECT r;
-	
-					r.corner.x = 0;
-					r.corner.y = 0;
-					r.extent.width = SIS_SCREEN_WIDTH;
-					r.extent.height = SIS_SCREEN_HEIGHT - MAP_HEIGHT;
-					RepairBackRect (&r);
-				}
 				repair = RotatePlanet (x, angle, SIS_SCREEN_WIDTH >> 1,
 						(148 - SIS_ORG_Y) >> 1, zooming
 						);
 
-				UnbatchGraphics ();
-				SetContext (OldContext);
 				if (!repair && zooming)
 				{
 					zooming = FALSE;
@@ -1307,7 +1298,6 @@ rotate_planet_task (void *data)
 				}
 				x += i;
 			}
-			ClearSemaphore (GraphicsSem);
 
 			SleepThreadUntil (TimeIn + (ONE_SECOND * ROTATION_TIME) / (MAP_WIDTH));
 //			SleepThreadUntil (TimeIn + (ONE_SECOND * 5 / (MAP_WIDTH-32)));

sc2/src/sc2code/planets/scan.c

@@ -29,6 +29,10 @@ void WaitForNoInput (SIZE Duration);
 
 //End Added by Chris
 
+// define SPIN_ON_SCAN to allow the planet to spin 
+// while scaning  is going on
+#undef SPIN_ON_SCAN
+
 #define FLASH_INDEX 105
 #define FLASH_WIDTH 9
 #define FLASH_HEIGHT 9
@@ -761,8 +765,10 @@ DoScan (INPUT_STATE InputState, PMENU_STATE
 			return (PickPlanetSide (InputState, pMS));
 		}
 
-pSolarSysState->MenuState.Initialized += 4;
+		pSolarSysState->MenuState.Initialized += 4;
-
+#ifndef SPIN_ON_SCAN
+		pSolarSysState->PauseRotate = 1;
+#endif
 		if ((min_scan = pMS->CurState) != AUTO_SCAN)
 			max_scan = min_scan;
 		else
@@ -857,7 +863,7 @@ pSolarSysState->MenuState.Initialized += 4;
 				DrawScannedStuff (i, min_scan);
 			UnbatchGraphics ();
 			ClearSemaphore (GraphicsSem);
-			
+//			FlushGraphics ();
 			SleepThread (2);
 		}
 	}
@@ -884,7 +890,8 @@ pSolarSysState->MenuState.Initialized += 4;
 		else
 			ClearSemaphore (GraphicsSem);
 			
-pSolarSysState->MenuState.Initialized -= 4;
+		pSolarSysState->MenuState.Initialized -= 4;
+		pSolarSysState->PauseRotate = 0;
 		WaitForNoInput (ONE_SECOND / 2);
 	}
 	else if (!(pSolarSysState->pOrbitalDesc->data_index & PLANET_SHIELDED)