From d0c2493be50c3c28c57be5317061af413c699062 Mon Sep 17 00:00:00 2001
From: Paul Gilbert
Date: Sat, 23 Nov 2013 17:09:35 -0500
Subject: TSAGE: Further fixes for object centroid handling

---
 engines/tsage/core.cpp | 26 ++++++++++----------------
 engines/tsage/core.h   |  4 ++--
 2 files changed, 12 insertions(+), 18 deletions(-)

diff --git a/engines/tsage/core.cpp b/engines/tsage/core.cpp
index a281354f0d..320d3ddd2c 100644
--- a/engines/tsage/core.cpp
+++ b/engines/tsage/core.cpp
@@ -2707,8 +2707,16 @@ GfxSurface SceneObject::getFrame() {
 	_visageImages.setVisage(_visage, _strip);
 	GfxSurface frame = _visageImages.getFrame(_frame);
 
-	// Reset any centroid adjustment flags
-	_visageImages.getFrameFlags(_frame) &= ~(FRAME_FLIP_CENTROID_X | FRAME_FLIP_CENTROID_Y);
+	// Reset any centroid adjustment flags, in 
+	frame._flags &= ~(FRAME_FLIP_CENTROID_X | FRAME_FLIP_CENTROID_Y);
+
+	// For later games, check whether the appropriate object flags are set for flipping
+	if (g_vm->getGameID() != GType_Ringworld) {
+		if ((_flags & OBJFLAG_FLIP_CENTROID_X) || _visageImages._flipHoriz)
+			frame._flags |= FRAME_FLIP_CENTROID_X;
+		if ((_flags & OBJFLAG_FLIP_CENTROID_Y) || _visageImages._flipVert)
+			frame._flags |= FRAME_FLIP_CENTROID_Y;
+	}
 
 	// If shading is needed, post apply the shadiing onto the frame
 	if ((g_vm->getGameID() == GType_Ringworld2) && (_shade >= 1)) {
@@ -3300,20 +3308,6 @@ GfxSurface Visage::getFrame(int frameNum) {
 	return result;
 }
 
-byte &Visage::getFrameFlags(int frameNum) {
-	int numFrames = READ_LE_UINT16(_data);
-	if (frameNum > numFrames)
-		frameNum = numFrames;
-	if (frameNum > 0)
-		--frameNum;
-
-	int offset = READ_LE_UINT32(_data + 2 + frameNum * 4);
-	byte *frameData = _data + offset;
-
-	return *(frameData + 9);
-}
-
-
 int Visage::getFrameCount() const {
 	return READ_LE_UINT16(_data);
 }
diff --git a/engines/tsage/core.h b/engines/tsage/core.h
index 62f4cf2c7e..f86172f6a1 100644
--- a/engines/tsage/core.h
+++ b/engines/tsage/core.h
@@ -490,7 +490,6 @@ public:
 
 	void setVisage(int resNum, int rlbNum = 9999);
 	GfxSurface getFrame(int frameNum);
-	byte &getFrameFlags(int frameNum);
 	int getFrameCount() const;
 	Visage &operator=(const Visage &gfxSurface);
 };
@@ -516,7 +515,8 @@ public:
 enum ObjectFlags {OBJFLAG_FIXED_PRIORITY = 1, OBJFLAG_NO_UPDATES = 2, OBJFLAG_ZOOMED = 4,
 	OBJFLAG_SUPPRESS_DISPATCH = 8, OBJFLAG_HIDE = 0x100, OBJFLAG_HIDING = 0x200, OBJFLAG_REMOVE = 0x400,
 	OBJFLAG_CLONED = 0x800, OBJFLAG_CHECK_REGION = 0x1000, OBJFLAG_PANE_0 = 0x4000, OBJFLAG_PANE_1 = 0x8000,
-	OBJFLAG_PANES = OBJFLAG_PANE_0 | OBJFLAG_PANE_1
+	OBJFLAG_PANES = OBJFLAG_PANE_0 | OBJFLAG_PANE_1,
+	OBJFLAG_FLIP_CENTROID_X = 0x10000, OBJFLAG_FLIP_CENTROID_Y = 0x20000
 };
 
 class SceneObject : public SceneHotspot {
-- 
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