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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 "titanic/support/screen_manager.h"
#include "titanic/titanic.h"
#include "titanic/support/video_surface.h"
namespace Titanic {
CScreenManager *CScreenManager::_screenManagerPtr;
CScreenManager *CScreenManager::_currentScreenManagerPtr;
CScreenManager::CScreenManager(TitanicEngine *vm): _vm(vm) {
_screenManagerPtr = nullptr;
_currentScreenManagerPtr = nullptr;
_frontRenderSurface = nullptr;
_mouseCursor = nullptr;
_textCursor = nullptr;
_inputHandler = nullptr;
_fontNumber = 0;
// TODO: Further initialization
_screenManagerPtr = this;
}
CScreenManager::~CScreenManager() {
_screenManagerPtr = nullptr;
}
void CScreenManager::setWindowHandle(int v) {
// Not needed
}
bool CScreenManager::resetWindowHandle(int v) {
hideCursor();
return true;
}
CScreenManager *CScreenManager::setCurrent() {
if (!_currentScreenManagerPtr)
_currentScreenManagerPtr = _screenManagerPtr;
return _currentScreenManagerPtr;
}
void CScreenManager::setSurfaceBounds(SurfaceNum surfaceNum, const Rect &r) {
if (surfaceNum >= 0 && surfaceNum < (int)_backSurfaces.size())
_backSurfaces[surfaceNum]._bounds = r;
}
int CScreenManager::setFontNumber(int fontNumber) {
int oldFontNumber = _fontNumber;
_fontNumber = fontNumber;
return oldFontNumber;
}
/*------------------------------------------------------------------------*/
OSScreenManager::OSScreenManager(TitanicEngine *vm): CScreenManager(vm),
_directDrawManager(vm, false) {
_field48 = 0;
_field4C = 0;
_field50 = 0;
_field54 = 0;
}
OSScreenManager::~OSScreenManager() {
destroyFrontAndBackBuffers();
delete _mouseCursor;
delete _textCursor;
}
void OSScreenManager::setMode(int width, int height, int bpp, uint numBackSurfaces, bool flag2) {
assert(bpp == 16);
destroyFrontAndBackBuffers();
_directDrawManager.initVideo(width, height, bpp, numBackSurfaces);
_vm->_screen->create(width, height, g_system->getScreenFormat());
_frontRenderSurface = new OSVideoSurface(this, nullptr);
_frontRenderSurface->setSurface(this, _directDrawManager._mainSurface);
_backSurfaces.resize(numBackSurfaces);
for (uint idx = 0; idx < numBackSurfaces; ++idx) {
_backSurfaces[idx]._surface = new OSVideoSurface(this, nullptr);
_backSurfaces[idx]._surface->setSurface(this, _directDrawManager._backSurfaces[idx]);
}
// Load fonts
_fonts[0].load(149);
_fonts[1].load(151);
_fonts[2].load(152);
_fonts[3].load(153);
// Load the cursors
loadCursors();
}
void OSScreenManager::drawCursors() {
// Nothing needed here, since ScummVM handles cursor drawing
}
DirectDrawSurface *OSScreenManager::getDDSurface(SurfaceNum surfaceNum) {
if (surfaceNum == SURFACE_PRIMARY)
return _directDrawManager._mainSurface;
else if (surfaceNum < (int)_backSurfaces.size())
return _directDrawManager._backSurfaces[surfaceNum];
else
return nullptr;
}
void OSScreenManager::proc6() {}
void OSScreenManager::proc7() {}
CVideoSurface *OSScreenManager::getSurface(SurfaceNum surfaceNum) const {
if (surfaceNum == SURFACE_PRIMARY)
return _frontRenderSurface;
else if (surfaceNum >= 0 && surfaceNum < (int)_backSurfaces.size())
return _backSurfaces[surfaceNum]._surface;
else
return nullptr;
}
void OSScreenManager::fillRect(SurfaceNum surfaceNum, Rect *rect, byte r, byte g, byte b) {
DirectDrawSurface *surface = getDDSurface(surfaceNum);
if (!surface)
return;
// If bounds are provided, clip and use them. Otherwise, use entire surface area
Rect surfaceRect(0, 0, surface->getWidth(), surface->getHeight());
Rect tempRect;
if (rect) {
tempRect = *rect;
tempRect.clip(surfaceRect);
} else {
tempRect = surfaceRect;
}
if (tempRect.isValidRect())
surface->fillRect(&tempRect, r, g, b);
}
void OSScreenManager::blitFrom(SurfaceNum surfaceNum, CVideoSurface *src,
const Point *destPos, const Rect *srcRect) {
// Get the dest surface
CVideoSurface *destSurface = _frontRenderSurface;
if (surfaceNum < -1)
return;
if (surfaceNum >= 0 && surfaceNum < (int)_backSurfaces.size())
destSurface = _backSurfaces[surfaceNum]._surface;
if (!destSurface->hasSurface())
return;
Point destPoint = destPos ? *destPos : Point(0, 0);
Rect srcBounds = srcRect ? *srcRect : Rect(0, 0, src->getWidth(), src->getHeight());
Rect *bounds = &srcBounds;
Rect rect2;
if (surfaceNum >= 0 && !_backSurfaces[surfaceNum]._bounds.isEmpty()) {
// Perform clipping to the bounds of the back surface
rect2 = srcBounds;
rect2.translate(-srcBounds.left, -srcBounds.top);
rect2.translate(destPoint.x, destPoint.y);
rect2.constrain(_backSurfaces[surfaceNum]._bounds);
rect2.translate(-destPoint.x, -destPoint.y);
rect2.translate(srcBounds.left, srcBounds.top);
if (rect2.isEmpty())
return;
destPoint.x += rect2.left - srcBounds.left;
destPoint.y += rect2.top - srcBounds.top;
bounds = &rect2;
}
if (!bounds->isEmpty())
destSurface->blitFrom(destPoint, src, bounds);
}
void OSScreenManager::proc12() {}
int OSScreenManager::writeString(int surfaceNum, const Rect &destRect,
int yOffset, const CString &str, CTextCursor *textCursor) {
CVideoSurface *surface;
Rect bounds;
if (surfaceNum >= 0 && surfaceNum < (int)_backSurfaces.size()) {
surface = _backSurfaces[surfaceNum]._surface;
bounds = _backSurfaces[surfaceNum]._bounds;
} else if (surfaceNum == -1) {
surface = _frontRenderSurface;
bounds = Rect(0, 0, surface->getWidth(), surface->getHeight());
} else {
return -1;
}
return _fonts[_fontNumber].writeString(surface, destRect, bounds,
yOffset, str, textCursor);
}
void OSScreenManager::proc14() {}
void OSScreenManager::setFontColor(byte r, byte g, byte b) {
_fonts[_fontNumber].setColor(r, g, b);
}
int OSScreenManager::getTextBounds(const CString &str, int maxWidth, Point *sizeOut) const {
return _fonts[_fontNumber].getTextBounds(str, maxWidth, sizeOut);
}
int OSScreenManager::getFontHeight() const {
return _fonts[_fontNumber]._fontHeight;
}
int OSScreenManager::stringWidth(const CString &str) {
return _fonts[_fontNumber].stringWidth(str);
}
void OSScreenManager::proc19() {}
void OSScreenManager::clearSurface(SurfaceNum surfaceNum, Rect *bounds) {
if (surfaceNum == SURFACE_PRIMARY)
_directDrawManager._mainSurface->fill(bounds, 0);
else if (surfaceNum >= 0 && surfaceNum < (int)_backSurfaces.size())
_directDrawManager._backSurfaces[surfaceNum]->fill(bounds, 0);
}
void OSScreenManager::resizeSurface(CVideoSurface *surface, int width, int height) {
DirectDrawSurface *ddSurface = _directDrawManager.createSurface(width, height, 0);
surface->setSurface(this, ddSurface);
}
CVideoSurface *OSScreenManager::createSurface(int w, int h) {
DirectDrawSurface *ddSurface = _directDrawManager.createSurface(w, h, 0);
return new OSVideoSurface(this, ddSurface);
}
CVideoSurface *OSScreenManager::createSurface(const CResourceKey &key) {
return new OSVideoSurface(this, key);
}
void OSScreenManager::proc23() {}
void OSScreenManager::proc24() {}
void OSScreenManager::proc25() {}
void OSScreenManager::showCursor() {
}
void OSScreenManager::hideCursor() {
}
void OSScreenManager::destroyFrontAndBackBuffers() {
delete _frontRenderSurface;
_frontRenderSurface = nullptr;
for (uint idx = 0; idx < _backSurfaces.size(); ++idx)
delete _backSurfaces[idx]._surface;
_backSurfaces.clear();
}
void OSScreenManager::loadCursors() {
if (_mouseCursor) {
hideCursor();
delete _mouseCursor;
}
_mouseCursor = new CMouseCursor(this);
showCursor();
if (!_textCursor) {
_textCursor = new CTextCursor(this);
}
}
} // End of namespace Titanic
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