scummvm/engines/mohawk/cursors.cpp
2013-04-15 18:19:09 -04:00

274 lines
7.4 KiB
C++

/* 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 "mohawk/cursors.h"
#include "mohawk/mohawk.h"
#include "mohawk/resource.h"
#include "common/macresman.h"
#include "common/system.h"
#include "common/textconsole.h"
#include "common/winexe_ne.h"
#include "common/winexe_pe.h"
#include "graphics/cursorman.h"
#include "graphics/maccursor.h"
#include "graphics/wincursor.h"
#ifdef ENABLE_MYST
#include "mohawk/bitmap.h"
#include "mohawk/myst.h"
#endif
namespace Mohawk {
void CursorManager::showCursor() {
CursorMan.showMouse(true);
}
void CursorManager::hideCursor() {
CursorMan.showMouse(false);
}
void CursorManager::setDefaultCursor() {
Graphics::Cursor *cursor = Graphics::makeDefaultWinCursor();
CursorMan.replaceCursor(cursor->getSurface(), cursor->getWidth(), cursor->getHeight(), cursor->getHotspotX(),
cursor->getHotspotY(), cursor->getKeyColor());
CursorMan.replaceCursorPalette(cursor->getPalette(), cursor->getPaletteStartIndex(), cursor->getPaletteCount());
delete cursor;
}
void CursorManager::setCursor(uint16 id) {
// For the base class, just use the default cursor always
setDefaultCursor();
}
void CursorManager::setMacCursor(Common::SeekableReadStream *stream) {
assert(stream);
Graphics::MacCursor *macCursor = new Graphics::MacCursor();
if (!macCursor->readFromStream(*stream))
error("Could not parse Mac cursor");
CursorMan.replaceCursor(macCursor->getSurface(), macCursor->getWidth(), macCursor->getHeight(),
macCursor->getHotspotX(), macCursor->getHotspotY(), macCursor->getKeyColor());
CursorMan.replaceCursorPalette(macCursor->getPalette(), 0, 256);
delete macCursor;
delete stream;
}
void DefaultCursorManager::setCursor(uint16 id) {
setMacCursor(_vm->getResource(_tag, id));
}
#ifdef ENABLE_MYST
MystCursorManager::MystCursorManager(MohawkEngine_Myst *vm) : _vm(vm) {
_bmpDecoder = new MystBitmap();
}
MystCursorManager::~MystCursorManager() {
delete _bmpDecoder;
}
void MystCursorManager::showCursor() {
CursorMan.showMouse(true);
_vm->_needsUpdate = true;
}
void MystCursorManager::hideCursor() {
CursorMan.showMouse(false);
_vm->_needsUpdate = true;
}
void MystCursorManager::setCursor(uint16 id) {
// Zero means empty cursor
if (id == 0) {
static const byte emptyCursor[4] = { 0, 0, 0, 0 };
CursorMan.replaceCursor(&emptyCursor, 2, 2, 0, 0, 0);
return;
}
// Both Myst and Myst ME use the "MystBitmap" format for cursor images.
MohawkSurface *mhkSurface = _bmpDecoder->decodeImage(_vm->getResource(ID_WDIB, id));
Graphics::Surface *surface = mhkSurface->getSurface();
Common::SeekableReadStream *clrcStream = _vm->getResource(ID_CLRC, id);
uint16 hotspotX = clrcStream->readUint16LE();
uint16 hotspotY = clrcStream->readUint16LE();
delete clrcStream;
// Myst ME stores some cursors as 24bpp images instead of 8bpp
if (surface->format.bytesPerPixel == 1) {
CursorMan.replaceCursor(surface->pixels, surface->w, surface->h, hotspotX, hotspotY, 0);
CursorMan.replaceCursorPalette(mhkSurface->getPalette(), 0, 256);
} else {
Graphics::PixelFormat pixelFormat = g_system->getScreenFormat();
CursorMan.replaceCursor(surface->pixels, surface->w, surface->h, hotspotX, hotspotY, pixelFormat.RGBToColor(255, 255, 255), false, &pixelFormat);
}
_vm->_needsUpdate = true;
delete mhkSurface;
}
void MystCursorManager::setDefaultCursor() {
setCursor(kDefaultMystCursor);
}
#endif
NECursorManager::NECursorManager(const Common::String &appName) {
_exe = new Common::NEResources();
if (!_exe->loadFromEXE(appName)) {
// Not all have cursors anyway, so this is not a problem
delete _exe;
_exe = 0;
}
}
NECursorManager::~NECursorManager() {
delete _exe;
}
void NECursorManager::setCursor(uint16 id) {
if (_exe) {
Graphics::WinCursorGroup *cursorGroup = Graphics::WinCursorGroup::createCursorGroup(*_exe, id);
if (cursorGroup) {
Graphics::Cursor *cursor = cursorGroup->cursors[0].cursor;
CursorMan.replaceCursor(cursor->getSurface(), cursor->getWidth(), cursor->getHeight(), cursor->getHotspotX(), cursor->getHotspotY(), cursor->getKeyColor());
CursorMan.replaceCursorPalette(cursor->getPalette(), 0, 256);
delete cursorGroup;
return;
}
}
// Last resort (not all have cursors)
setDefaultCursor();
}
MacCursorManager::MacCursorManager(const Common::String &appName) {
if (!appName.empty()) {
_resFork = new Common::MacResManager();
if (!_resFork->open(appName)) {
// Not all have cursors anyway, so this is not a problem
delete _resFork;
_resFork = 0;
}
} else {
_resFork = 0;
}
}
MacCursorManager::~MacCursorManager() {
delete _resFork;
}
void MacCursorManager::setCursor(uint16 id) {
if (!_resFork) {
setDefaultCursor();
return;
}
// Try a color cursor first
Common::SeekableReadStream *stream = _resFork->getResource(MKTAG('c','r','s','r'), id);
// Fall back to monochrome cursors
if (!stream)
stream = _resFork->getResource(MKTAG('C','U','R','S'), id);
if (stream)
setMacCursor(stream);
else
setDefaultCursor();
}
LivingBooksCursorManager_v2::LivingBooksCursorManager_v2() {
// Try to open the system archive if we have it
_sysArchive = new MohawkArchive();
if (!_sysArchive->openFile("system.mhk")) {
delete _sysArchive;
_sysArchive = 0;
}
}
LivingBooksCursorManager_v2::~LivingBooksCursorManager_v2() {
delete _sysArchive;
}
void LivingBooksCursorManager_v2::setCursor(uint16 id) {
if (_sysArchive && _sysArchive->hasResource(ID_TCUR, id)) {
setMacCursor(_sysArchive->getResource(ID_TCUR, id));
} else {
// TODO: Handle generated cursors
}
}
void LivingBooksCursorManager_v2::setCursor(const Common::String &name) {
if (!_sysArchive)
return;
uint16 id = _sysArchive->findResourceID(ID_TCUR, name);
if (id == 0xffff)
error("Could not find cursor '%s'", name.c_str());
else
setCursor(id);
}
PECursorManager::PECursorManager(const Common::String &appName) {
_exe = new Common::PEResources();
if (!_exe->loadFromEXE(appName)) {
// Not all have cursors anyway, so this is not a problem
delete _exe;
_exe = 0;
}
}
PECursorManager::~PECursorManager() {
delete _exe;
}
void PECursorManager::setCursor(uint16 id) {
if (_exe) {
Graphics::WinCursorGroup *cursorGroup = Graphics::WinCursorGroup::createCursorGroup(*_exe, id);
if (cursorGroup) {
Graphics::Cursor *cursor = cursorGroup->cursors[0].cursor;
CursorMan.replaceCursor(cursor->getSurface(), cursor->getWidth(), cursor->getHeight(), cursor->getHotspotX(), cursor->getHotspotY(), cursor->getKeyColor());
CursorMan.replaceCursorPalette(cursor->getPalette(), 0, 256);
delete cursorGroup;
return;
}
}
// Last resort (not all have cursors)
setDefaultCursor();
}
} // End of namespace Mohawk