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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "sherlock/scalpel/scalpel_screen.h"
#include "sherlock/scalpel/scalpel.h"
#include "sherlock/scalpel/3do/scalpel_3do_screen.h"
namespace Sherlock {
namespace Scalpel {
Scalpel3DOScreen::Scalpel3DOScreen(SherlockEngine *vm): ScalpelScreen(vm) {
}
void Scalpel3DOScreen::SHblitFrom(const Graphics::Surface &src, const Common::Point &pt, const Common::Rect &srcBounds) {
if (!_vm->_isScreenDoubled) {
ScalpelScreen::SHblitFrom(src, pt, srcBounds);
return;
}
Common::Rect srcRect = srcBounds;
Common::Rect destRect(pt.x, pt.y, pt.x + srcRect.width(), pt.y + srcRect.height());
if (!srcRect.isValidRect() || !clip(srcRect, destRect))
return;
// Add dirty area remapped to the 640x200 surface
addDirtyRect(Common::Rect(destRect.left * 2, destRect.top * 2, destRect.right * 2, destRect.bottom * 2));
// Transfer the area, doubling each pixel
for (int yp = 0; yp < srcRect.height(); ++yp) {
const uint16 *srcP = (const uint16 *)src.getBasePtr(srcRect.left, srcRect.top + yp);
uint16 *destP = (uint16 *)getBasePtr(destRect.left * 2, (destRect.top + yp) * 2);
for (int xp = srcRect.left; xp < srcRect.right; ++xp, ++srcP, destP += 2) {
*destP = *srcP;
*(destP + 1) = *srcP;
*(destP + 640) = *srcP;
*(destP + 640 + 1) = *srcP;
}
}
}
void Scalpel3DOScreen::transBlitFromUnscaled(const Graphics::Surface &src, const Common::Point &pt,
bool flipped, int overrideColor) {
error("TODO: Refactor");
#if 0
if (!_vm->_isScreenDoubled) {
ScalpelScreen::transBlitFromUnscaled(src, pt, flipped, overrideColor);
return;
}
Common::Rect drawRect(0, 0, src.w, src.h);
Common::Rect destRect(pt.x, pt.y, pt.x + src.w, pt.y + src.h);
// Clip the display area to on-screen
if (!clip(drawRect, destRect))
// It's completely off-screen
return;
if (flipped)
drawRect = Common::Rect(src.w - drawRect.right, src.h - drawRect.bottom,
src.w - drawRect.left, src.h - drawRect.top);
Common::Point destPt(destRect.left, destRect.top);
addDirtyRect(Common::Rect(destPt.x * 2, destPt.y * 2, (destPt.x + drawRect.width()) * 2,
(destPt.y + drawRect.height()) * 2));
assert(src.format.bytesPerPixel == 2 && _surface.format.bytesPerPixel == 2);
for (int yp = 0; yp < drawRect.height(); ++yp) {
const uint16 *srcP = (const uint16 *)src.getBasePtr(
flipped ? drawRect.right - 1 : drawRect.left, drawRect.top + yp);
uint16 *destP = (uint16 *)getBasePtr(destPt.x * 2, (destPt.y + yp) * 2);
for (int xp = 0; xp < drawRect.width(); ++xp, destP += 2) {
// RGB 0, 0, 0 -> transparent on 3DO
if (*srcP) {
*destP = *srcP;
*(destP + 1) = *srcP;
*(destP + 640) = *srcP;
*(destP + 640 + 1) = *srcP;
}
srcP = flipped ? srcP - 1 : srcP + 1;
}
}
#endif
}
void Scalpel3DOScreen::fillRect(const Common::Rect &r, uint color) {
if (_vm->_isScreenDoubled)
ScalpelScreen::fillRect(Common::Rect(r.left * 2, r.top * 2, r.right * 2, r.bottom * 2), color);
else
ScalpelScreen::fillRect(r, color);
}
void Scalpel3DOScreen::fadeIntoScreen3DO(int speed) {
Events &events = *_vm->_events;
uint16 *currentScreenBasePtr = (uint16 *)getPixels();
uint16 *targetScreenBasePtr = (uint16 *)_backBuffer.getPixels();
uint16 currentScreenPixel = 0;
uint16 targetScreenPixel = 0;
uint16 currentScreenPixelRed = 0;
uint16 currentScreenPixelGreen = 0;
uint16 currentScreenPixelBlue = 0;
uint16 targetScreenPixelRed = 0;
uint16 targetScreenPixelGreen = 0;
uint16 targetScreenPixelBlue = 0;
uint16 screenWidth = SHERLOCK_SCREEN_WIDTH;
uint16 screenHeight = SHERLOCK_SCREEN_HEIGHT;
uint16 screenX = 0;
uint16 screenY = 0;
uint16 pixelsChanged = 0;
clearDirtyRects();
do {
pixelsChanged = 0;
uint16 *currentScreenPtr = currentScreenBasePtr;
uint16 *targetScreenPtr = targetScreenBasePtr;
for (screenY = 0; screenY < screenHeight; screenY++) {
for (screenX = 0; screenX < screenWidth; screenX++) {
currentScreenPixel = *currentScreenPtr;
targetScreenPixel = *targetScreenPtr;
if (currentScreenPixel != targetScreenPixel) {
// pixel doesn't match, adjust accordingly
currentScreenPixelRed = currentScreenPixel & 0xF800;
currentScreenPixelGreen = currentScreenPixel & 0x07E0;
currentScreenPixelBlue = currentScreenPixel & 0x001F;
targetScreenPixelRed = targetScreenPixel & 0xF800;
targetScreenPixelGreen = targetScreenPixel & 0x07E0;
targetScreenPixelBlue = targetScreenPixel & 0x001F;
if (currentScreenPixelRed != targetScreenPixelRed) {
if (currentScreenPixelRed < targetScreenPixelRed) {
currentScreenPixelRed += 0x0800;
} else {
currentScreenPixelRed -= 0x0800;
}
}
if (currentScreenPixelGreen != targetScreenPixelGreen) {
// Adjust +2/-2 because we are running RGB555 at RGB565
if (currentScreenPixelGreen < targetScreenPixelGreen) {
currentScreenPixelGreen += 0x0040;
} else {
currentScreenPixelGreen -= 0x0040;
}
}
if (currentScreenPixelBlue != targetScreenPixelBlue) {
if (currentScreenPixelBlue < targetScreenPixelBlue) {
currentScreenPixelBlue += 0x0001;
} else {
currentScreenPixelBlue -= 0x0001;
}
}
uint16 v = currentScreenPixelRed | currentScreenPixelGreen | currentScreenPixelBlue;
*currentScreenPtr = v;
if (_vm->_isScreenDoubled) {
*(currentScreenPtr + 1) = v;
*(currentScreenPtr + 640) = v;
*(currentScreenPtr + 640 + 1) = v;
}
pixelsChanged++;
}
currentScreenPtr += _vm->_isScreenDoubled ? 2 : 1;
targetScreenPtr++;
}
if (_vm->_isScreenDoubled)
currentScreenPtr += 640;
}
// Too much considered dirty at the moment
if (_vm->_isScreenDoubled)
addDirtyRect(Common::Rect(0, 0, screenWidth * 2, screenHeight * 2));
else
addDirtyRect(Common::Rect(0, 0, screenWidth, screenHeight));
events.pollEvents();
events.delay(10 * speed);
} while ((pixelsChanged) && (!_vm->shouldQuit()));
}
void Scalpel3DOScreen::blitFrom3DOcolorLimit(uint16 limitColor) {
uint16 *currentScreenPtr = (uint16 *)getPixels();
uint16 *targetScreenPtr = (uint16 *)_backBuffer.getPixels();
uint16 currentScreenPixel = 0;
uint16 screenWidth = SHERLOCK_SCREEN_WIDTH;
uint16 screenHeight = SHERLOCK_SCREEN_HEIGHT;
uint16 screenX = 0;
uint16 screenY = 0;
uint16 currentScreenPixelRed = 0;
uint16 currentScreenPixelGreen = 0;
uint16 currentScreenPixelBlue = 0;
uint16 limitPixelRed = limitColor & 0xF800;
uint16 limitPixelGreen = limitColor & 0x07E0;
uint16 limitPixelBlue = limitColor & 0x001F;
for (screenY = 0; screenY < screenHeight; screenY++) {
for (screenX = 0; screenX < screenWidth; screenX++) {
currentScreenPixel = *targetScreenPtr;
currentScreenPixelRed = currentScreenPixel & 0xF800;
currentScreenPixelGreen = currentScreenPixel & 0x07E0;
currentScreenPixelBlue = currentScreenPixel & 0x001F;
if (currentScreenPixelRed < limitPixelRed)
currentScreenPixelRed = limitPixelRed;
if (currentScreenPixelGreen < limitPixelGreen)
currentScreenPixelGreen = limitPixelGreen;
if (currentScreenPixelBlue < limitPixelBlue)
currentScreenPixelBlue = limitPixelBlue;
uint16 v = currentScreenPixelRed | currentScreenPixelGreen | currentScreenPixelBlue;
*currentScreenPtr = v;
if (_vm->_isScreenDoubled) {
*(currentScreenPtr + 1) = v;
*(currentScreenPtr + 640) = v;
*(currentScreenPtr + 640 + 1) = v;
}
currentScreenPtr += _vm->_isScreenDoubled ? 2 : 1;
targetScreenPtr++;
}
if (_vm->_isScreenDoubled)
currentScreenPtr += 640;
}
// Too much considered dirty at the moment
if (_vm->_isScreenDoubled)
addDirtyRect(Common::Rect(0, 0, screenWidth * 2, screenHeight * 2));
else
addDirtyRect(Common::Rect(0, 0, screenWidth, screenHeight));
}
uint16 Scalpel3DOScreen::width() const {
return _vm->_isScreenDoubled ? this->w / 2 : this->w;
}
uint16 Scalpel3DOScreen::height() const {
return _vm->_isScreenDoubled ? this->h / 2 : this->h;
}
void Scalpel3DOScreen::rawBlitFrom(const Graphics::Surface &src, const Common::Point &pt) {
Common::Rect srcRect(0, 0, src.w, src.h);
Common::Rect destRect(pt.x, pt.y, pt.x + src.w, pt.y + src.h);
addDirtyRect(destRect);
copyRectToSurface(src, destRect.left, destRect.top, srcRect);
}
} // End of namespace Scalpel
} // End of namespace Sherlock
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