Older scaleTable and scale values are still use by HE games.

svn-id: r14069

1 files changed, 50 insertions, 14 deletions

diff --git a/scumm/akos.cpp b/scumm/akos.cpp
index 7a3104c2c5..696e1512ed 100644
--- a/scumm/akos.cpp
+++ b/scumm/akos.cpp
@@ -432,7 +432,43 @@ void AkosRenderer::codec1_genericDecode() {
 
 #ifdef __PALM_OS__
 const byte *defaultScaleTable;
+const byte *old_scaleTable;
 #else
+const byte oldScaleTable[256] = {
+	0xFF, 0xFD, 0x7D, 0xBD, 0x3D, 0xDD, 0x5D, 0x9D,
+	0x1D, 0xED, 0x6D, 0xAD, 0x2D, 0xCD, 0x4D, 0x8D,
+	0x0D, 0xF5, 0x75, 0xB5, 0x35, 0xD5, 0x55, 0x95,
+	0x15, 0xE5, 0x65, 0xA5, 0x25, 0xC5, 0x45, 0x85,
+	0x05, 0xF9, 0x79, 0xB9, 0x39, 0xD9, 0x59, 0x99,
+	0x19, 0xE9, 0x69, 0xA9, 0x29, 0xC9, 0x49, 0x89,
+	0x09, 0xF1, 0x71, 0xB1, 0x31, 0xD1, 0x51, 0x91,
+	0x11, 0xE1, 0x61, 0xA1, 0x21, 0xC1, 0x41, 0x81,
+	0x01, 0xFB, 0x7B, 0xBB, 0x3B, 0xDB, 0x5B, 0x9B,
+	0x1B, 0xEB, 0x6B, 0xAB, 0x2B, 0xCB, 0x4B, 0x8B,
+	0x0B, 0xF3, 0x73, 0xB3, 0x33, 0xD3, 0x53, 0x93,
+	0x13, 0xE3, 0x63, 0xA3, 0x23, 0xC3, 0x43, 0x83,
+	0x03, 0xF7, 0x77, 0xB7, 0x37, 0xD7, 0x57, 0x97,
+	0x17, 0xE7, 0x67, 0xA7, 0x27, 0xC7, 0x47, 0x87,
+	0x07, 0xEF, 0x6F, 0xAF, 0x2F, 0xCF, 0x4F, 0x8F,
+	0x0F, 0xDF, 0x5F, 0x9F, 0x1F, 0xBF, 0x3F, 0x7F,
+	0x00, 0x80, 0x40, 0xC0, 0x20, 0xA0, 0x60, 0xE0,
+	0x10, 0x90, 0x50, 0xD0, 0x30, 0xB0, 0x70, 0xF0,
+	0x08, 0x88, 0x48, 0xC8, 0x28, 0xA8, 0x68, 0xE8,
+	0x18, 0x98, 0x58, 0xD8, 0x38, 0xB8, 0x78, 0xF8,
+	0x04, 0x84, 0x44, 0xC4, 0x24, 0xA4, 0x64, 0xE4,
+	0x14, 0x94, 0x54, 0xD4, 0x34, 0xB4, 0x74, 0xF4,
+	0x0C, 0x8C, 0x4C, 0xCC, 0x2C, 0xAC, 0x6C, 0xEC,
+	0x1C, 0x9C, 0x5C, 0xDC, 0x3C, 0xBC, 0x7C, 0xFC,
+	0x02, 0x82, 0x42, 0xC2, 0x22, 0xA2, 0x62, 0xE2,
+	0x12, 0x92, 0x52, 0xD2, 0x32, 0xB2, 0x72, 0xF2,
+	0x0A, 0x8A, 0x4A, 0xCA, 0x2A, 0xAA, 0x6A, 0xEA,
+	0x1A, 0x9A, 0x5A, 0xDA, 0x3A, 0xBA, 0x7A, 0xFA,
+	0x06, 0x86, 0x46, 0xC6, 0x26, 0xA6, 0x66, 0xE6,
+	0x16, 0x96, 0x56, 0xD6, 0x36, 0xB6, 0x76, 0xF6,
+	0x0E, 0x8E, 0x4E, 0xCE, 0x2E, 0xAE, 0x6E, 0xEE,
+	0x1E, 0x9E, 0x5E, 0xDE, 0x3E, 0xBE, 0x7E, 0xFE
+};
+
 const byte defaultScaleTable[768] = {
 	0x00, 0x80, 0x40, 0xC0, 0x20, 0xA0, 0x60, 0xE0,
 	0x10, 0x90, 0x50, 0xD0, 0x30, 0xB0, 0x70, 0xF0,
@@ -536,7 +572,7 @@ const byte defaultScaleTable[768] = {
 #endif
 
 byte AkosRenderer::codec1(int xmoveCur, int ymoveCur) {
-	int num_colors;
+	int num_colors, value;
 	bool use_scaling;
 	int i, j;
 	int skip = 0, startScaleIndexX, startScaleIndexY;
@@ -545,10 +581,10 @@ byte AkosRenderer::codec1(int xmoveCur, int ymoveCur) {
 	int step;
 	byte drawFlag = 1;
 
-	/* implement custom scale table */
-
-	v1.scaletable = defaultScaleTable;
+	value = (_vm->_features & GF_HUMONGOUS) ? 0x80 : 0x180;
 
+	/* implement custom scale table */
+	v1.scaletable = (_vm->_features & GF_HUMONGOUS) ? oldScaleTable : defaultScaleTable;
 	if (_vm->VAR_CUSTOMSCALETABLE != 0xFF && _vm->isGlobInMemory(rtString, _vm->VAR(_vm->VAR_CUSTOMSCALETABLE))) {
 		v1.scaletable = _vm->getStringAddressVar(_vm->VAR_CUSTOMSCALETABLE);
 	}
@@ -556,13 +592,13 @@ byte AkosRenderer::codec1(int xmoveCur, int ymoveCur) {
 	// Setup color decoding variables
 	num_colors = _vm->getResourceDataSize(akpl);
 	if (num_colors == 32) {
-		v1.mask = (1 << 3) - 1;
+		v1.mask = 7;
 		v1.shr = 3;
 	} else if (num_colors == 64) {
-		v1.mask = (1 << 2) - 1;
+		v1.mask = 3;
 		v1.shr = 2;
 	} else {
-		v1.mask = (1 << 4) - 1;
+		v1.mask = 15;
 		v1.shr = 4;
 	}
 
@@ -582,7 +618,7 @@ byte AkosRenderer::codec1(int xmoveCur, int ymoveCur) {
 
 		if (_mirror) {
 			/* Adjust X position */
-			startScaleIndexX = j = 0x180 - xmoveCur;
+			startScaleIndexX = j = value - xmoveCur;
 			for (i = 0; i < xmoveCur; i++) {
 				if (v1.scaletable[j++] < _scaleX)
 					cur_x -= v1.scaleXstep;
@@ -602,7 +638,7 @@ byte AkosRenderer::codec1(int xmoveCur, int ymoveCur) {
 		} else {
 			/* No mirror */
 			/* Adjust X position */
-			startScaleIndexX = j = 0x180 + xmoveCur;
+			startScaleIndexX = j = value + xmoveCur;
 			for (i = 0; i < xmoveCur; i++) {
 				if (v1.scaletable[j--] < _scaleX)
 					cur_x += v1.scaleXstep;
@@ -631,20 +667,20 @@ byte AkosRenderer::codec1(int xmoveCur, int ymoveCur) {
 			step = -step;
 		}
 
-		startScaleIndexY = 0x180 - ymoveCur;
+		startScaleIndexY = value - ymoveCur;
 		for (i = 0; i < ymoveCur; i++) {
 			if (v1.scaletable[startScaleIndexY++] < _scaleY)
 				cur_y -= step;
 		}
 
 		rect.top = rect.bottom = cur_y;
-		startScaleIndexY = 0x180 - ymoveCur;
+		startScaleIndexY = value - ymoveCur;
 		for (i = 0; i < _height; i++) {
 			if (v1.scaletable[startScaleIndexY++] < _scaleY)
 				rect.bottom++;
 		}
 
-		startScaleIndexY = 0x180 - ymoveCur;
+		startScaleIndexY = value - ymoveCur;
 	} else {
 		if (!_mirror)
 			xmoveCur = -xmoveCur;
@@ -663,8 +699,8 @@ byte AkosRenderer::codec1(int xmoveCur, int ymoveCur) {
 		rect.top = cur_y;
 		rect.bottom = cur_y + _height;
 
-		startScaleIndexX = 0x180;
-		startScaleIndexY = 0x180;
+		startScaleIndexX = value;
+		startScaleIndexY = value;
 	}
 
 	v1.scaleXindex = startScaleIndexX;