aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--engines/voyeur/graphics.cpp120
1 files changed, 59 insertions, 61 deletions
diff --git a/engines/voyeur/graphics.cpp b/engines/voyeur/graphics.cpp
index 831ca81fc9..00d6c02d4e 100644
--- a/engines/voyeur/graphics.cpp
+++ b/engines/voyeur/graphics.cpp
@@ -121,10 +121,9 @@ void GraphicsManager::sDrawPic(DisplayResource *srcDisplay, DisplayResource *des
ViewPortResource *destViewPort = NULL;
Common::Rect newBounds;
Common::Rect backBounds;
- int var22 = 0;
- int var24 = 0;
+ int tmpWidth = 0;
+ int tmpHeight = 0;
bool isClipped = false;
- int var26;
byte pixel = 0;
int runLength;
@@ -132,17 +131,18 @@ void GraphicsManager::sDrawPic(DisplayResource *srcDisplay, DisplayResource *des
byte *srcP, *destP;
byte byteVal, byteVal2;
- // Get the picture parameters, or deference viewport pointers to get their pictures
- PictureResource *srcPic = (PictureResource *)srcDisplay;
- PictureResource *destPic = (PictureResource *)destDisplay;
+ PictureResource *srcPic;
+ PictureResource *destPic;
+ // Get the picture parameters, or deference viewport pointers to get their pictures
if (srcDisplay->_flags & DISPFLAG_VIEWPORT) {
// A viewport was passed, not a picture
srcPic = ((ViewPortResource *)srcDisplay)->_currentPic;
- }
- if (destDisplay->_flags & DISPFLAG_VIEWPORT) {
destViewPort = (ViewPortResource *)destDisplay;
destPic = destViewPort->_currentPic;
+ } else {
+ srcPic = (PictureResource *)srcDisplay;
+ destPic = (PictureResource *)destDisplay;
}
Common::Point offset = Common::Point(initialOffset.x + srcPic->_bounds.left - destPic->_bounds.left,
@@ -168,10 +168,10 @@ void GraphicsManager::sDrawPic(DisplayResource *srcDisplay, DisplayResource *des
newBounds = Common::Rect(0, 0, destPic->_bounds.width(), destPic->_bounds.height());
}
- var24 = offset.y - newBounds.top;
- if (var24 < 0) {
- srcOffset -= var24 * width2;
- height1 += var24;
+ tmpHeight = offset.y - newBounds.top;
+ if (tmpHeight < 0) {
+ srcOffset -= tmpHeight * width2;
+ height1 += tmpHeight;
offset.y = newBounds.top;
if (height1 <= 0)
@@ -180,17 +180,17 @@ void GraphicsManager::sDrawPic(DisplayResource *srcDisplay, DisplayResource *des
isClipped = true;
}
- int var20 = newBounds.bottom - (offset.y + height1);
- if (var20 < 0) {
- height1 += var20;
+ int yMin = newBounds.bottom - (offset.y + height1);
+ if (yMin < 0) {
+ height1 += yMin;
if (height1 <= 0)
return;
}
- var22 = offset.x - newBounds.left;
- if (var22 < 0) {
- srcOffset -= var22;
- width2 += var22;
+ tmpWidth = offset.x - newBounds.left;
+ if (tmpWidth < 0) {
+ srcOffset -= tmpWidth;
+ width2 += tmpWidth;
offset.x = newBounds.left;
if (width2 <= 0)
@@ -199,9 +199,9 @@ void GraphicsManager::sDrawPic(DisplayResource *srcDisplay, DisplayResource *des
isClipped = true;
}
- var26 = newBounds.right - (offset.x + width2);
- if (var26 < 0) {
- width2 += var26;
+ int xMin = newBounds.right - (offset.x + width2);
+ if (xMin < 0) {
+ width2 += xMin;
if (width2 <= 0)
return;
@@ -247,16 +247,14 @@ void GraphicsManager::sDrawPic(DisplayResource *srcDisplay, DisplayResource *des
if (imageDataShift < 4)
++imageDataShift;
}
- } else {
- srcImgData = srcPic->_imgData;
- }
- if (destFlags & DISPFLAG_1000) {
+
destImgData = destPic->_imgData + (imageDataShift << 14);
for (uint idx = 0; idx < srcPic->_maskData; ++idx) {
if (imageDataShift < 4)
++imageDataShift;
}
} else {
+ srcImgData = srcPic->_imgData;
destImgData = destPic->_imgData;
}
@@ -357,12 +355,12 @@ void GraphicsManager::sDrawPic(DisplayResource *srcDisplay, DisplayResource *des
srcP = srcImgData;
if (isClipped) {
// loc_26199
- var22 = (var22 < 0) ? -var22 : 0;
- var26 = var22 + width2;
- var24 = (var24 < 0) ? -var24 : 0;
+ tmpWidth = (tmpWidth < 0) ? -tmpWidth : 0;
+ int xMax = tmpWidth + width2;
+ tmpHeight = (tmpHeight < 0) ? -tmpHeight : 0;
width2 = srcPic->_bounds.width();
- height1 = var24 + height1;
+ height1 = tmpHeight + height1;
for (int yp = 0; yp < height1; ++yp) {
runLength = 0;
@@ -378,14 +376,14 @@ void GraphicsManager::sDrawPic(DisplayResource *srcDisplay, DisplayResource *des
}
}
- if (yp >= var24 && xp >= var22 && xp < var26) {
+ if (yp >= tmpHeight && xp >= tmpWidth && xp < xMax) {
if (pixel > 0)
*destP = pixel;
++destP;
}
}
- if (yp >= var24)
+ if (yp >= tmpHeight)
destP += widthDiff2;
}
} else {
@@ -435,11 +433,11 @@ void GraphicsManager::sDrawPic(DisplayResource *srcDisplay, DisplayResource *des
if (isClipped) {
// loc_26424
- var22 = (var22 < 0) ? -var22 : 0;
- var26 = var22 + width2;
- var24 = (var24 < 0) ? -var24 : 0;
+ tmpWidth = (tmpWidth < 0) ? -tmpWidth : 0;
+ int xMax = tmpWidth + width2;
+ tmpHeight = (tmpHeight < 0) ? -tmpHeight : 0;
width2 = srcPic->_bounds.width();
- height1 = var24 + height1;
+ height1 = tmpHeight + height1;
for (int yp = 0; yp < height1; ++yp) {
runLength = 0;
@@ -455,12 +453,12 @@ void GraphicsManager::sDrawPic(DisplayResource *srcDisplay, DisplayResource *des
}
}
- if (yp >= var24 && xp >= var22 && xp < var26) {
+ if (yp >= tmpHeight && xp >= tmpWidth && xp < xMax) {
*destP++ = pixel;
}
}
- if (yp >= var24)
+ if (yp >= tmpHeight)
destP += widthDiff2;
}
} else {
@@ -558,12 +556,12 @@ void GraphicsManager::sDrawPic(DisplayResource *srcDisplay, DisplayResource *des
if (isClipped) {
// loc_266E3
destP = (byte *)_screenSurface.getPixels() + screenOffset;
- var22 = (var22 < 0) ? -var22 : 0;
- var26 = var22 + width2;
- var24 = (var24 < 0) ? -var24 : 0;
+ tmpWidth = (tmpWidth < 0) ? -tmpWidth : 0;
+ int xMax = tmpWidth + width2;
+ tmpHeight = (tmpHeight < 0) ? -tmpHeight : 0;
pick = 0x7F;
width2 = srcPic->_bounds.width();
- height1 = var24 + height1;
+ height1 = tmpHeight + height1;
for (int yp = 0; yp < height1; ++yp) {
int runLength = 0;
@@ -578,14 +576,14 @@ void GraphicsManager::sDrawPic(DisplayResource *srcDisplay, DisplayResource *des
}
}
- if (yp >= var24 && xp >= var22 && xp < var26) {
+ if (yp >= tmpHeight && xp >= tmpWidth && xp < xMax) {
if (pixel) {
*destP = (pixel & pick) ^ onOff;
}
++destP;
}
}
- if (yp >= var24)
+ if (yp >= tmpHeight)
destP += widthDiff2;
}
} else {
@@ -632,11 +630,11 @@ void GraphicsManager::sDrawPic(DisplayResource *srcDisplay, DisplayResource *des
srcP = srcImgData;
if (isClipped) {
// loc_269FD
- var22 = (var22 < 0) ? -var22 : 0;
- var26 = var22 + width2;
- var24 = (var24 < 0) ? -var24 : 0;
+ tmpWidth = (tmpWidth < 0) ? -tmpWidth : 0;
+ int xMax = tmpWidth + width2;
+ tmpHeight = (tmpHeight < 0) ? -tmpHeight : 0;
width2 = srcPic->_bounds.width();
- height1 = var24 + height1;
+ height1 = tmpHeight + height1;
for (int yp = 0; yp < height1; ++yp) {
runLength = 0;
@@ -652,7 +650,7 @@ void GraphicsManager::sDrawPic(DisplayResource *srcDisplay, DisplayResource *des
}
}
- if (yp >= var24 && xp >= var22 && xp < var26) {
+ if (yp >= tmpHeight && xp >= tmpWidth && xp < xMax) {
*destP++ = (pixel & 0x80) ^ onOff;
}
}
@@ -704,11 +702,11 @@ void GraphicsManager::sDrawPic(DisplayResource *srcDisplay, DisplayResource *des
if (isClipped) {
// loc_26D6A
- var22 = (var22 < 0) ? -var22 : 0;
- var26 = var22 + width2;
- var24 = (var24 < 0) ? -var24 : 0;
+ tmpWidth = (tmpWidth < 0) ? -tmpWidth : 0;
+ int xMax = tmpWidth + width2;
+ tmpHeight = (tmpHeight < 0) ? -tmpHeight : 0;
width2 = srcPic->_bounds.width();
- height1 = var24 + height1;
+ height1 = tmpHeight + height1;
for (int yp = 0; yp < height1; ++yp) {
runLength = 0;
@@ -724,7 +722,7 @@ void GraphicsManager::sDrawPic(DisplayResource *srcDisplay, DisplayResource *des
}
}
- if (yp >= var24 && xp >= var22 && xp < var26) {
+ if (yp >= tmpHeight && xp >= tmpWidth && xp < xMax) {
if (pixel)
*destP = (pixel & pick) ^ onOff;
@@ -732,7 +730,7 @@ void GraphicsManager::sDrawPic(DisplayResource *srcDisplay, DisplayResource *des
}
}
- if (yp >= var24)
+ if (yp >= tmpHeight)
destP += widthDiff2;
}
} else {
@@ -785,11 +783,11 @@ void GraphicsManager::sDrawPic(DisplayResource *srcDisplay, DisplayResource *des
if (isClipped) {
// loc_2700A
- var22 = (var22 < 0) ? -var22 : 0;
- var26 = var22 + width2;
- var24 = (var24 < 0) ? -var24 : 0;
+ tmpWidth = (tmpWidth < 0) ? -tmpWidth : 0;
+ int xMax = tmpWidth + width2;
+ tmpHeight = (tmpHeight < 0) ? -tmpHeight : 0;
width2 = srcPic->_bounds.width();
- height1 = var24 + height1;
+ height1 = tmpHeight + height1;
for (int yp = 0; yp < height1; ++yp) {
runLength = 0;
@@ -805,12 +803,12 @@ void GraphicsManager::sDrawPic(DisplayResource *srcDisplay, DisplayResource *des
}
}
- if (yp >= var24 && xp >= var22 && xp < var26) {
+ if (yp >= tmpHeight && xp >= tmpWidth && xp < xMax) {
*destP++ = (pixel & pick) ^ onOff;
}
}
- if (yp >= var24)
+ if (yp >= tmpHeight)
destP += widthDiff2;
}
} else {
generated by cgit v1.2.3 (git 2.25.1) at 2025-02-28 10:03:56 +0000