[Scummvm-cvs-logs] SF.net SVN: scummvm: [32281] scummvm/trunk/engines/made
john_doe at users.sourceforge.net
john_doe at users.sourceforge.net
Mon May 26 13:07:19 CEST 2008
Revision: 32281
http://scummvm.svn.sourceforge.net/scummvm/?rev=32281&view=rev
Author: john_doe
Date: 2008-05-26 04:07:18 -0700 (Mon, 26 May 2008)
Log Message:
-----------
Fixed graphics decoding bug in Manhole: N&E
Modified Paths:
--------------
scummvm/trunk/engines/made/graphics.cpp
scummvm/trunk/engines/made/graphics.h
scummvm/trunk/engines/made/resource.cpp
Modified: scummvm/trunk/engines/made/graphics.cpp
===================================================================
--- scummvm/trunk/engines/made/graphics.cpp 2008-05-26 11:03:21 UTC (rev 32280)
+++ scummvm/trunk/engines/made/graphics.cpp 2008-05-26 11:07:18 UTC (rev 32281)
@@ -29,8 +29,25 @@
namespace Made {
-void decompressImage(byte *source, Graphics::Surface &surface, uint16 cmdOffs, uint16 pixelOffs, uint16 maskOffs, uint16 lineSize, bool deltaFrame) {
+byte ValueReader::readPixel() {
+ byte value;
+ if (_nibbleMode) {
+ if (_nibbleSwitch) {
+ value = (_buffer[0] >> 4) & 0x0F;
+ _buffer++;
+ } else {
+ value = _buffer[0] & 0x0F;
+ }
+ _nibbleSwitch = !_nibbleSwitch;
+ } else {
+ value = _buffer[0];
+ _buffer++;
+ }
+ return value;
+}
+void decompressImage(byte *source, Graphics::Surface &surface, uint16 cmdOffs, uint16 pixelOffs, uint16 maskOffs, uint16 lineSize, byte cmdFlags, byte pixelFlags, byte maskFlags, bool deltaFrame) {
+
const int offsets[] = {
0, 1, 2, 3,
320, 321, 322, 323,
@@ -43,7 +60,7 @@
byte *cmdBuffer = source + cmdOffs;
byte *maskBuffer = source + maskOffs;
- byte *pixelBuffer = source + pixelOffs;
+ ValueReader pixelReader(source + pixelOffs, pixelFlags & 2);
byte *destPtr = (byte*)surface.getBasePtr(0, 0);
@@ -84,14 +101,14 @@
switch (cmd) {
case 0:
- pixels[0] = *pixelBuffer++;
+ pixels[0] = pixelReader.readPixel();
for (int i = 0; i < 16; i++)
lineBuf[drawDestOfs + offsets[i]] = pixels[0];
break;
case 1:
- pixels[0] = *pixelBuffer++;
- pixels[1] = *pixelBuffer++;
+ pixels[0] = pixelReader.readPixel();
+ pixels[1] = pixelReader.readPixel();
mask = READ_LE_UINT16(maskBuffer);
maskBuffer += 2;
for (int i = 0; i < 16; i++) {
@@ -101,10 +118,10 @@
break;
case 2:
- pixels[0] = *pixelBuffer++;
- pixels[1] = *pixelBuffer++;
- pixels[2] = *pixelBuffer++;
- pixels[3] = *pixelBuffer++;
+ pixels[0] = pixelReader.readPixel();
+ pixels[1] = pixelReader.readPixel();
+ pixels[2] = pixelReader.readPixel();
+ pixels[3] = pixelReader.readPixel();
mask = READ_LE_UINT32(maskBuffer);
maskBuffer += 4;
for (int i = 0; i < 16; i++) {
Modified: scummvm/trunk/engines/made/graphics.h
===================================================================
--- scummvm/trunk/engines/made/graphics.h 2008-05-26 11:03:21 UTC (rev 32280)
+++ scummvm/trunk/engines/made/graphics.h 2008-05-26 11:07:18 UTC (rev 32281)
@@ -33,7 +33,17 @@
namespace Made {
-void decompressImage(byte *source, Graphics::Surface &surface, uint16 cmdOffs, uint16 pixelOffs, uint16 maskOffs, uint16 lineSize, bool deltaFrame = false);
+class ValueReader {
+public:
+ ValueReader(byte *source, bool nibbleMode) : _buffer(source), _nibbleBuf(0), _nibbleMode(nibbleMode), _nibbleSwitch(false) {}
+ byte readPixel();
+protected:
+ byte _nibbleBuf;
+ bool _nibbleMode, _nibbleSwitch;
+ byte *_buffer;
+};
+
+void decompressImage(byte *source, Graphics::Surface &surface, uint16 cmdOffs, uint16 pixelOffs, uint16 maskOffs, uint16 lineSize, byte cmdFlags, byte pixelFlags, byte maskFlags, bool deltaFrame = false);
void decompressMovieImage(byte *source, Graphics::Surface &surface, uint16 cmdOffs, uint16 pixelOffs, uint16 maskOffs, uint16 lineSize);
} // End of namespace Made
Modified: scummvm/trunk/engines/made/resource.cpp
===================================================================
--- scummvm/trunk/engines/made/resource.cpp 2008-05-26 11:03:21 UTC (rev 32280)
+++ scummvm/trunk/engines/made/resource.cpp 2008-05-26 11:07:18 UTC (rev 32281)
@@ -59,9 +59,9 @@
Common::MemoryReadStream *sourceS = new Common::MemoryReadStream(source, size);
_hasPalette = (sourceS->readByte() != 0);
- sourceS->readByte();
- sourceS->readByte();
- sourceS->readByte();
+ byte cmdFlags = sourceS->readByte();
+ byte pixelFlags = sourceS->readByte();
+ byte maskFlags = sourceS->readByte();
uint16 cmdOffs = sourceS->readUint16LE();
uint16 pixelOffs = sourceS->readUint16LE();
uint16 maskOffs = sourceS->readUint16LE();
@@ -69,7 +69,11 @@
/*uint16 u = */sourceS->readUint16LE();
uint16 width = sourceS->readUint16LE();
uint16 height = sourceS->readUint16LE();
-
+
+ if (cmdFlags || pixelFlags || maskFlags) {
+ warning("PictureResource::load() Graphic has flags set");
+ }
+
_paletteColorCount = (cmdOffs - 18) / 3; // 18 = sizeof header
debug(2, "width = %d; height = %d\n", width, height);
@@ -82,7 +86,7 @@
_picture = new Graphics::Surface();
_picture->create(width, height, 1);
- decompressImage(source, *_picture, cmdOffs, pixelOffs, maskOffs, lineSize);
+ decompressImage(source, *_picture, cmdOffs, pixelOffs, maskOffs, lineSize, cmdFlags, pixelFlags, maskFlags);
delete sourceS;
@@ -137,7 +141,7 @@
Graphics::Surface *frame = new Graphics::Surface();
frame->create(frameWidth, frameHeight, 1);
- decompressImage(source + frameOffs, *frame, cmdOffs, pixelOffs, maskOffs, lineSize, _flags & 1);
+ decompressImage(source + frameOffs, *frame, cmdOffs, pixelOffs, maskOffs, lineSize, 0, 0, 0, _flags & 1);
_frames.push_back(frame);
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