Add initial support for oracle icons in FF

svn-id: r21579

4 files changed, 95 insertions, 2 deletions

diff --git a/engines/simon/icons.cpp b/engines/simon/icons.cpp
index e508002468..c81c686c87 100644
--- a/engines/simon/icons.cpp
+++ b/engines/simon/icons.cpp
@@ -52,6 +52,19 @@ void SimonEngine::loadIconFile() {
 	in.close();
 }
 
+void SimonEngine::loadIconData() {
+	loadZone(8);
+	VgaPointersEntry *vpe = &_vgaBufferPointers[8];
+	byte *src = vpe->vgaFile2;
+
+	_iconFilePtr = (byte *)malloc(43 * 336);
+	if (_iconFilePtr == NULL)
+		error("Out of icon memory");
+
+	memcpy(_iconFilePtr, src, 43 * 336);
+	o_unfreezeBottom();
+}
+
 // Thanks to Stuart Caie for providing the original
 // C conversion upon which this function is based.
 void decompress_icon_amiga (byte *dst, byte *src, byte base, uint pitch) {
diff --git a/engines/simon/oracle.cpp b/engines/simon/oracle.cpp
index eadfee6ce8..716aa16fd6 100644
--- a/engines/simon/oracle.cpp
+++ b/engines/simon/oracle.cpp
@@ -52,4 +52,72 @@ void SimonEngine::hyperLinkOff()
 	_hyperLink = 0;
 }
 
+void SimonEngine::oracleLogo() {
+	Common::Rect srcRect, dstRect;
+	byte *src, *dst;
+	uint16 w, h;
+
+	dstRect.left = 16;
+	dstRect.top = 16;
+	dstRect.right = 58;
+	dstRect.bottom = 59;
+
+	srcRect.left = 0;
+	srcRect.top = 0;
+	srcRect.right = 42;
+	srcRect.bottom = 43;
+
+	src = _iconFilePtr;
+	dst = getBackBuf() + _screenWidth * dstRect.top + dstRect.left;
+
+	for (h = 0; h < dstRect.height(); h++) {
+		for (w = 0; w < dstRect.width(); w++) {
+			if (src[w])
+				dst[w] = src[w];
+		}
+		src += 336;
+		dst += _screenWidth;
+	}
+}
+
+void SimonEngine::swapCharacterLogo() {
+	Common::Rect srcRect, dstRect;
+	byte *src, *dst;
+	uint16 w, h;
+	int x;
+
+	dstRect.left = 64;
+	dstRect.top = 16;
+	dstRect.right = 106;
+	dstRect.bottom = 59;
+
+	srcRect.top = 0;
+	srcRect.bottom = 43;
+
+	x = _variableArray[91];
+	if (x > _variableArray[90])
+		x--;
+	if( x < _variableArray[90])
+		x++;
+	_variableArray[91] = x;
+
+	x++;
+	x *= 42;
+
+	srcRect.left = x;
+	srcRect.right = srcRect.left + 42;
+
+	src = _iconFilePtr + srcRect.top * 336 + srcRect.left;
+	dst = getBackBuf() + _screenWidth * dstRect.top + dstRect.left;
+
+	for (h = 0; h < dstRect.height(); h++) {
+		for (w = 0; w < dstRect.width(); w++) {
+			if (src[w])
+				dst[w] = src[w];
+		}
+		src += 336;
+		dst += _screenWidth;
+	}
+}
+
 } // End of namespace Simon
diff --git a/engines/simon/simon.cpp b/engines/simon/simon.cpp
index 93e5a7f563..1d4ab3f5d6 100644
--- a/engines/simon/simon.cpp
+++ b/engines/simon/simon.cpp
@@ -2857,6 +2857,13 @@ void SimonEngine::timer_proc1() {
 	}
 
 	if (_updateScreen) {
+		if (getGameType() == GType_FF) {
+			if (vcGetBit(78) == false) {
+				oracleLogo();
+			} else if (vcGetBit(76) == true) {
+				swapCharacterLogo();
+			}
+		}
 		handle_mouse_moved();
 		dx_update_screen_and_palette();
 		_updateScreen = false;
@@ -3817,7 +3824,9 @@ void SimonEngine::openGameFile() {
 #endif
 	}
 
-	if (getGameType() != GType_FF)
+	if (getGameType() == GType_FF)
+		loadIconData();
+	else
 		loadIconFile();
 
 	vc34_setMouseOff();
diff --git a/engines/simon/simon.h b/engines/simon/simon.h
index 1c763c5f7c..a7d1b17bca 100644
--- a/engines/simon/simon.h
+++ b/engines/simon/simon.h
@@ -589,7 +589,9 @@ protected:
 
  	void hyperLinkOn(uint16 x);
  	void hyperLinkOff();
- 
+	void oracleLogo();
+	void swapCharacterLogo();
+
 	void mouseOff();
 	void mouseOn();
 
@@ -647,6 +649,7 @@ protected:
 	uint setup_icon_hit_area(FillOrCopyStruct *fcs, uint x, uint y, uint icon_number, Item *item_ptr);
 	void addArrows(FillOrCopyStruct *fcs, uint fcs_index);
 
+	void loadIconData();	
 	void loadIconFile();
 	void processSpecialKeys();
 	void hitarea_stuff_helper();