scummvm/engines/toon/hotspot.cpp
2018-05-07 20:06:29 +02:00

152 lines
3.8 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 "common/debug.h"
#include "toon/hotspot.h"
#include "toon/tools.h"
namespace Toon {
Hotspots::Hotspots(ToonEngine *vm) : _vm(vm) {
_items = NULL;
_numItems = 0;
}
Hotspots::~Hotspots() {
delete[] _items;
}
void Hotspots::load(Common::ReadStream *Stream) {
delete[] _items;
_numItems = Stream->readSint16BE();
_items = new HotspotData[_numItems];
for (int32 i = 0; i < _numItems; i++) {
for (int32 a = 0; a < 256; a++)
_items[i].setData(a, Stream->readSint16BE());
}
}
void Hotspots::save(Common::WriteStream *Stream) {
Stream->writeSint16BE(_numItems);
for (int32 i = 0; i < _numItems; i++) {
for (int32 a = 0; a < 256; a++)
Stream->writeSint16BE(_items[i].getData(a));
}
}
int32 Hotspots::findBasedOnCorner(int16 x, int16 y) {
debugC(1, kDebugHotspot, "findBasedOnCorner(%d, %d)", x, y);
for (int32 i = 0; i < _numItems; i++) {
if (x == _items[i].getX1()) {
if (y == _items[i].getY1()) {
if (_items[i].getMode() == -1)
return _items[i].getRef();
return i;
}
}
}
return -1;
}
int32 Hotspots::find(int16 x, int16 y) {
debugC(6, kDebugHotspot, "find(%d, %d)", x, y);
int32 priority = -1;
int32 foundId = -1;
int32 testId = -1;
for (int i = 0; i < _numItems; i++) {
if (x >= _items[i].getX1() && x <= _items[i].getX2() && y >= _items[i].getY1() && y <= _items[i].getY2()) {
if (_items[i].getMode() == -1)
testId = _items[i].getRef();
else
testId = i;
if (_items[testId].getPriority() > priority) {
foundId = testId;
priority = _items[testId].getPriority();
}
}
}
return foundId;
}
bool Hotspots::loadRif(const Common::String &rifName, const Common::String &additionalRifName) {
debugC(1, kDebugHotspot, "loadRif(%s, %s)", rifName.c_str(), additionalRifName.c_str());
uint32 size = 0;
uint8 *rifData = _vm->resources()->getFileData(rifName, &size);
if (!rifData)
return false;
uint32 size2 = 0;
uint8 *rifData2 = 0;
if (additionalRifName.size())
rifData2 = _vm->resources()->getFileData(additionalRifName, &size2);
// figure out the number of hotspots based on file size
int32 rifsize = READ_BE_UINT32(&rifData[4]);
int32 rifsize2 = 0;
if (size2)
rifsize2 = READ_BE_UINT32(&rifData2[4]);
_numItems = (rifsize + rifsize2) / 512;
delete[] _items;
_items = new HotspotData[_numItems];
// RIFs are compressed in RNC1
RncDecoder decoder;
decoder.unpackM1(rifData, size, _items);
if (rifsize2) {
RncDecoder decoder2;
decoder2.unpackM1(rifData2 , size2, _items + (rifsize >> 9));
for (int32 i = 0; i < (rifsize2 >> 9); i++) {
HotspotData *hot = _items + (rifsize >> 9) + i;
hot->setData(0, hot->getX1() + 1280);
hot->setData(2, hot->getX2() + 1280);
if (hot->getMode() == -1)
hot->setData(5, hot->getRef() + (rifsize >> 9));
}
}
return true;
}
HotspotData *Hotspots::get(int32 id) {
debugC(5, kDebugHotspot, "get(%d)", id);
if (id < 0 || id >= _numItems)
return 0;
else
return &_items[id];
}
} // End of namespace Toon