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-rw-r--r--engines/zvision/render_manager.cpp106
-rw-r--r--engines/zvision/render_manager.h11
2 files changed, 88 insertions, 29 deletions
diff --git a/engines/zvision/render_manager.cpp b/engines/zvision/render_manager.cpp
index b8dcd0dd87..78fcf59a56 100644
--- a/engines/zvision/render_manager.cpp
+++ b/engines/zvision/render_manager.cpp
@@ -53,13 +53,6 @@ RenderManager::~RenderManager() {
}
}
-void RenderManager::renderSubRectToScreen(uint16 *buffer, uint32 imageWidth, uint32 imageHeight, uint32 horizontalPitch, uint32 destinationX, uint32 destinationY, Common::Rect subRectangle, bool autoCenter) {
- // Panoramas are transposed
- // The actual data is transposed in mutateImage
- if (_renderTable.getRenderState() == RenderTable::PANORAMA || _renderTable.getRenderState() == RenderTable::TILT) {
- uint32 temp = imageHeight;
- imageHeight = imageWidth;
- imageWidth = temp;
void RenderManager::update(uint deltaTimeInMillis) {
// An inverse velocity of 0 would be infinitely fast, so we'll let 0 mean no velocity.
if (_backgroundInverseVelocity == 0)
@@ -78,29 +71,72 @@ void RenderManager::update(uint deltaTimeInMillis) {
// Choose the direction of movement using the sign of the velocity
moveBackground(_backgroundInverseVelocity < 0 ? -numberOfSteps : numberOfSteps);
}
+
+void RenderManager::renderSubRectToScreen(uint16 *buffer, uint32 imageWidth, uint32 imageHeight, uint32 horizontalPitch, uint32 destinationX, uint32 destinationY, Common::Rect subRectangle, bool wrap) {
+ if (wrap) {
+ _backgroundWidth = imageWidth;
+ _backgroundHeight = imageHeight;
}
// If subRect is empty, use the entire image
if (subRectangle.isEmpty())
- subRectangle = Common::Rect(imageWidth, imageHeight);
+ subRectangle = Common::Rect(subRectangle.left, subRectangle.top, subRectangle.left + imageWidth, subRectangle.top + imageHeight);
- // Clip to image bounds
- subRectangle.clip(imageWidth, imageHeight);
- // Clip destRect to screen bounds
+ // Clip destRect to working window bounds
Common::Rect destRect(destinationX, destinationY, destinationX + subRectangle.width(), destinationY + subRectangle.height());
- destRect.clip(_width, _height);
- // Clip subRect to screen bounds
+ destRect.clip(_workingWidth, _workingHeight);
+ // Clip subRect to working window bounds
subRectangle.translate(destRect.left - destinationX, destRect.top - destinationY);
subRectangle.setWidth(destRect.width());
subRectangle.setHeight(destRect.height());
+ // Clip to image bounds
+ Common::Point subRectOrigOrigin(subRectangle.left, subRectangle.top);
+ subRectangle.clip(imageWidth, imageHeight);
- // Check for validity
- if (!subRectangle.isValidRect() || subRectangle.isEmpty() || !destRect.isValidRect() || destRect.isEmpty())
- return;
+ // If the image is to be wrapped, check if it's smaller than destRect
+ // If it is, then call renderSubRectToScreen with a subRect representing wrapping
+ if (wrap && subRectangle.width() < destRect.width()) {
+ uint32 wrapDestX;
+ uint32 wrapDestY;
+ Common::Rect wrapSubRect;
+
+ if (_backgroundWidth - subRectangle.left < destRect.width()) {
+ wrapDestX = destRect.left + subRectangle.width();
+ wrapDestY = destRect.top;
+ wrapSubRect = Common::Rect(0, 0, destRect.width() - subRectangle.width(), subRectangle.bottom);
+ } else {
+ wrapDestX = destRect.left;
+ wrapDestY = destRect.top;
+ wrapSubRect = Common::Rect(_backgroundWidth - subRectangle.width(), 0, _backgroundWidth - 1, subRectangle.bottom);
+ }
+ renderSubRectToScreen(buffer, imageWidth, imageHeight, horizontalPitch, wrapDestX, wrapDestY, wrapSubRect, false);
+ } else if (wrap && subRectangle.height() < destRect.height()) {
+ uint32 wrapDestX;
+ uint32 wrapDestY;
+ Common::Rect wrapSubRect;
+
+ if (_backgroundHeight - subRectangle.top < destRect.height()) {
+ wrapDestX = destRect.left;
+ wrapDestY = destRect.height() - subRectangle.height();
+ wrapSubRect = Common::Rect(0, 0, subRectangle.right, destRect.height() - subRectangle.height());
+ } else {
+ wrapDestX = destRect.left;
+ wrapDestY = destRect.top;
+ wrapSubRect = Common::Rect(0, _backgroundHeight - subRectangle.height(), subRectangle.right, _backgroundHeight - 1);
+ }
+
+ renderSubRectToScreen(buffer, imageWidth, imageHeight, horizontalPitch, wrapDestX, wrapDestY, wrapSubRect, false);
}
- _backgroundOffset = Common::Point(destRect.left, destRect.top);
+ // Clip destRect to image bounds
+ destRect.translate(subRectangle.left - subRectOrigOrigin.x, subRectangle.top - subRectOrigOrigin.y);
+ destRect.setWidth(subRectangle.width());
+ destRect.setHeight(subRectangle.height());
+
+ // Check all Rects for validity
+ if (!subRectangle.isValidRect() || subRectangle.isEmpty() || !destRect.isValidRect() || destRect.isEmpty())
+ return;
if (_renderTable.getRenderState() == RenderTable::FLAT) {
// Convert destRect to screen space by adding _workingWindowOffset
@@ -109,13 +145,13 @@ void RenderManager::update(uint deltaTimeInMillis) {
uint16 *destBuffer = new uint16[destRect.width() * destRect.height()];
_renderTable.mutateImage((uint16 *)buffer, destBuffer, imageWidth, imageHeight, subRectangle, destRect);
- // Convert destRect to screen space by adding _workingWindow offest
+ // Convert destRect to screen space by adding _workingWindow offset
_system->copyRectToScreen(destBuffer, subRectangle.width() * sizeof(uint16), destRect.left + _workingWindow.left, destRect.top + _workingWindow.top, destRect.width(), destRect.height());
delete[] destBuffer;
}
}
-void RenderManager::renderImageToScreen(const Common::String &fileName, uint32 destinationX, uint32 destinationY, Common::Rect subRectangle, bool autoCenter) {
+void RenderManager::renderImageToScreen(const Common::String &fileName, uint32 destinationX, uint32 destinationY, Common::Rect subRectangle, bool wrap) {
Common::File file;
if (!file.open(fileName)) {
@@ -123,10 +159,10 @@ void RenderManager::renderImageToScreen(const Common::String &fileName, uint32 d
return;
}
- renderImageToScreen(file, destinationX, destinationY, subRectangle, autoCenter);
+ renderImageToScreen(file, destinationX, destinationY, subRectangle);
}
-void RenderManager::renderImageToScreen(Common::SeekableReadStream &stream, uint32 destinationX, uint32 destinationY, Common::Rect subRectangle, bool autoCenter) {
+void RenderManager::renderImageToScreen(Common::SeekableReadStream &stream, uint32 destinationX, uint32 destinationY, Common::Rect subRectangle, bool wrap) {
// Read the magic number
// Some files are true TGA, while others are TGZ
uint32 fileType;
@@ -145,7 +181,15 @@ void RenderManager::renderImageToScreen(Common::SeekableReadStream &stream, uint
uint32 horizontalPitch = imageWidth * sizeof(uint16);
- renderSubRectToScreen((uint16 *)buffer, imageWidth, imageHeight, horizontalPitch, destinationX, destinationY, subRectangle, autoCenter);
+ // Panoramas are transposed
+ // The actual data is transposed in mutateImage
+ if (_renderTable.getRenderState() == RenderTable::PANORAMA || _renderTable.getRenderState() == RenderTable::TILT) {
+ uint32 temp = imageHeight;
+ imageHeight = imageWidth;
+ imageWidth = temp;
+ }
+
+ renderSubRectToScreen((uint16 *)buffer, imageWidth, imageHeight, horizontalPitch, destinationX, destinationY, subRectangle, wrap);
delete[] buffer;
} else {
// Reset the cursor
@@ -159,8 +203,19 @@ void RenderManager::renderImageToScreen(Common::SeekableReadStream &stream, uint
}
const Graphics::Surface *tgaSurface = tga.getSurface();
- renderSubRectToScreen((uint16 *)tgaSurface->pixels, tgaSurface->w, tgaSurface->h, tgaSurface->pitch, destinationX, destinationY, subRectangle, autoCenter);
+ uint32 imageWidth = tgaSurface->w;
+ uint32 imageHeight = tgaSurface->h;
+
+ // Panoramas are transposed
+ // The actual data is transposed in mutateImage
+ if (_renderTable.getRenderState() == RenderTable::PANORAMA || _renderTable.getRenderState() == RenderTable::TILT) {
+ uint32 temp = imageHeight;
+ imageHeight = imageWidth;
+ imageWidth = temp;
+ }
+
+ renderSubRectToScreen((uint16 *)tgaSurface->pixels, tgaSurface->w, tgaSurface->h, tgaSurface->pitch, destinationX, destinationY, subRectangle, wrap);
tga.destroy();
}
}
@@ -199,7 +254,10 @@ void RenderManager::setBackgroundImage(const Common::String &fileName) {
}
_currentBackground = file;
- renderImageToScreen(*_currentBackground, 0, 0, Common::Rect(), true);
+ // Purposely make the subRectangle empty. renderImageToScreen will then set the width and height automatically.
+ renderImageToScreen(*_currentBackground, 0, 0, Common::Rect(_backgroundOffset.x, _backgroundOffset.y, _backgroundOffset.x, _backgroundOffset.y), true);
+}
+
void RenderManager::setBackgroundPosition(int offset) {
if (_renderTable.getRenderState() == RenderTable::TILT) {
_backgroundOffset = Common::Point(0, offset);
diff --git a/engines/zvision/render_manager.h b/engines/zvision/render_manager.h
index 7d44a37726..a394586380 100644
--- a/engines/zvision/render_manager.h
+++ b/engines/zvision/render_manager.h
@@ -61,7 +61,6 @@ private:
int _backgroundInverseVelocity;
uint _accumulatedVelocityMilliseconds;
- Video::VideoDecoder *_currentVideo;
byte *_scaledVideoFrameBuffer;
public:
@@ -77,7 +76,7 @@ public:
* @param destinationY Y position where the image should be put. Coords are in working window space, not screen space!
* @param subRectangle The subrectangle of the image that should be rendered. If this is an empty rectangle, it will blit the entire image. Coords are in working window space, not screen space!
*/
- void renderImageToScreen(const Common::String &fileName, uint32 destinationX, uint32 destinationY, Common::Rect subRectangle = Common::Rect(0, 0, 0, 0), bool autoCenter = false);
+ void renderImageToScreen(const Common::String &fileName, uint32 destinationX, uint32 destinationY, Common::Rect subRectangle = Common::Rect(0, 0, 0, 0), bool wrap = false);
/**
* Blits the image or a portion of the image to the screen. Actual screen updates won't happen until the end of the frame.
@@ -88,7 +87,7 @@ public:
* @param destinationY Y position where the image should be put. Coords are in working window space, not screen space!
* @param subRectangle The subrectangle of the image that should be rendered. If this is an empty rectangle, it will blit the entire image. Coords are in working window space, not screen space!
*/
- void renderImageToScreen(Common::SeekableReadStream &stream, uint32 destinationX, uint32 destinationY, Common::Rect subRectangle = Common::Rect(0, 0, 0, 0), bool autoCenter = false);
+ void renderImageToScreen(Common::SeekableReadStream &stream, uint32 destinationX, uint32 destinationY, Common::Rect subRectangle = Common::Rect(0, 0, 0, 0), bool wrap = false);
/**
* Sets the current background image to be used by the RenderManager and immediately
@@ -99,7 +98,7 @@ public:
void setBackgroundImage(const Common::String &fileName);
void setBackgroundPosition(int offset);
-
+
void setBackgroundVelocity(int velocity);
const Common::Point screenSpaceToImageSpace(const Common::Point &point);
@@ -107,7 +106,9 @@ public:
RenderTable *getRenderTable();
private:
- void renderSubRectToScreen(uint16 *buffer, uint32 imageWidth, uint32 imageHeight, uint32 horizontalPitch, uint32 destinationX, uint32 destinationY, Common::Rect subRectangle, bool autoCenter);
+ void renderSubRectToScreen(uint16 *buffer, uint32 imageWidth, uint32 imageHeight, uint32 horizontalPitch, uint32 destinationX, uint32 destinationY, Common::Rect subRectangle, bool wrap);
+
+ void moveBackground(int offset);
};
} // End of namespace ZVision
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-26 22:00:25 +0000