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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 "common/stream.h"
#include "cryomni3d/wam_parser.h"
#include "cryomni3d/omni3d.h"
namespace CryOmni3D {
void WAMParser::loadStream(Common::ReadStream &stream) {
char str[16];
_places.clear();
// These are unused and unknown values
(void) stream.readByte();
(void) stream.readByte();
(void) stream.read(str, 16);
(void) stream.readUint32LE();
uint nPlaces = stream.readByte();
//debug("nPlaces = %u", nPlaces);
for (uint i = 0; i < nPlaces; i++) {
Place place;
uint nWarps = stream.readByte();
//debug("nWarps = %u", nWarps);
for (uint k = 0; k < 8; k++) {
stream.read(str, 16);
//debug("Warp: %.16s", str);
if (nWarps > 0) {
place.warps.push_back(str);
nWarps--;
}
}
place.placeId = stream.readUint32LE();
// Normally placeId should be unique but it's not always the case
// In original game the last place is considered but we try to be efficient and stop at the first place in findPlaceById
// Let's be a little less efficient at startup by removing duplicates
Place *oldPlace = findPlaceById_(place.placeId);
if (oldPlace) {
debug("Found duplicate place %u at %u, removing it", place.placeId,
(uint)(oldPlace - _places.begin()));
_places.erase(oldPlace);
}
//debug("nPlaceId = %u", place.placeId);
(void) stream.readUint32LE();
uint nTransitions = stream.readByte();
//debug("nTransitions = %u", nTransitions);
uint nZones = stream.readByte();
//debug("nZones = %u", nZones);
for (uint j = 0; j < nTransitions; j++) {
Transition trans;
(void) stream.readUint32LE();
uint nAnimations = stream.readByte();
for (uint k = 0; k < 8; k++) {
stream.read(str, 16);
if (nAnimations > 0) {
trans.animations.push_back(str);
nAnimations--;
}
}
(void) stream.readUint32LE();
trans.dstId = stream.readUint32LE();
// Unused byte
(void) stream.readByte();
trans.srcAlpha = stream.readDoubleLE();
trans.srcBeta = stream.readDoubleLE();
trans.dstAlpha = stream.readDoubleLE();
trans.dstBeta = stream.readDoubleLE();
place.transitions.push_back(trans);
}
for (uint j = 0; j < nZones; j++) {
Zone zone;
zone.zoneId = stream.readSint32LE();
zone.rct.left = stream.readSint32LE();
zone.rct.top = stream.readSint32LE();
zone.rct.setWidth(stream.readSint32LE());
zone.rct.setHeight(stream.readSint32LE());
zone.action = stream.readSint32LE();
place.zones.push_back(zone);
}
_places.push_back(place);
}
}
const Place *WAMParser::findPlaceById(uint placeId) const {
for (Common::Array<Place>::const_iterator it = _places.begin(); it != _places.end(); it++) {
if (it->placeId == placeId) {
return it;
}
}
return nullptr;
}
Place *WAMParser::findPlaceById_(uint placeId) {
for (Common::Array<Place>::iterator it = _places.begin(); it != _places.end(); it++) {
if (it->placeId == placeId) {
return it;
}
}
return nullptr;
}
void Place::setupWarpConstraints(Omni3DManager &omni3d) const {
int16 iAlphaMin = -32768, iAlphaMax = 32767;
bool alphaConstraint = false;
omni3d.clearConstraints();
for (Common::Array<Zone>::const_iterator it = zones.begin(); it != zones.end(); it++) {
if (it->action == 100000) {
int16 aMin = it->rct.left;
if (aMin < 0) {
aMin += 2048;
}
int16 aMax = aMin + it->rct.width();
if (aMax > 2048) {
aMax -= 2048;
}
// debug("x1=%d x2=%d", aMin, aMax);
if (aMax < aMin) {
int16 tmp = aMax;
aMax = aMin;
aMin = tmp;
}
if (alphaConstraint) {
if (aMin < iAlphaMax && aMax > iAlphaMax) {
iAlphaMax = aMax;
}
if (aMin < iAlphaMin && aMax > iAlphaMin) {
iAlphaMin = aMin;
}
} else {
iAlphaMin = aMin;
iAlphaMax = aMax;
alphaConstraint = true;
}
} else if (it->action == 200000) {
double betaMin = ((int)it->rct.bottom - (768 / 2)) / 768. * M_PI;
omni3d.setBetaMinConstraint(betaMin);
} else if (it->action == 300000) {
double betaMax = ((int)it->rct.top - (768 / 2)) / 768. * M_PI;
omni3d.setBetaMaxConstraint(betaMax);
}
}
if (alphaConstraint) {
double alphaMin = (1 - iAlphaMin / 2048.) * M_PI * 2.;
alphaMin += 75. / 180. * M_PI_2;
if (alphaMin < 0.) {
alphaMin += M_PI * 2.;
} else if (alphaMin > M_PI * 2.) {
alphaMin -= M_PI * 2.;
}
double alphaMax = (1 - iAlphaMax / 2048.) * M_PI * 2.;
alphaMax -= 75. / 180. * M_PI_2;
if (alphaMax < 0.) {
alphaMax += M_PI * 2.;
} else if (alphaMax > M_PI * 2.) {
alphaMax -= M_PI * 2.;
}
omni3d.setAlphaConstraints(alphaMin, alphaMax);
}
}
uint Place::hitTest(const Common::Point &point) const {
for (Common::Array<Zone>::const_iterator it = zones.begin(); it != zones.end(); it++) {
if (it->action) {
if (it->rct.contains(point)) {
return it->action;
}
if (it->rct.left < 0) {
Common::Rect rct = it->rct;
rct.translate(2048, 0);
if (rct.contains(point)) {
return it->action;
}
} else if (it->rct.right > 2048) {
Common::Rect rct = it->rct;
rct.translate(-2048, 0);
if (rct.contains(point)) {
return it->action;
}
}
}
}
return 0;
}
const Transition *Place::findTransition(uint nextPlaceId) const {
for (Common::Array<Transition>::const_iterator it = transitions.begin(); it != transitions.end();
it++) {
if (it->dstId == nextPlaceId) {
return it;
}
}
return nullptr;
}
} // End of namespace CryOmni3D
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