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scummvm/engines/titanic/star_control/star_view.cpp
T

527 lines
13 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 "titanic/star_control/star_view.h"
#include "titanic/star_control/camera_mover.h"
#include "titanic/star_control/error_code.h"
#include "titanic/star_control/fvector.h"
#include "titanic/star_control/star_control.h"
#include "titanic/star_control/star_field.h"
#include "titanic/support/screen_manager.h"
#include "titanic/support/simple_file.h"
#include "titanic/core/game_object.h"
#include "titanic/messages/pet_messages.h"
#include "titanic/pet_control/pet_control.h"
namespace Titanic {
CStarView::CStarView() : _camera((const CNavigationInfo *)nullptr), _owner(nullptr),
_starField(nullptr), _videoSurface(nullptr), _hasReference(0),
_photoSurface(nullptr), _homePhotoMask(nullptr),
_field218(false), _showingPhoto(false) {
CNavigationInfo data = { 0, 0, 100000.0, 0, 20.0, 1.0, 1.0, 1.0 };
_camera.proc3(&data);
}
CStarView::~CStarView() {
delete _videoSurface;
delete _photoSurface;
}
void CStarView::load(SimpleFile *file, int param) {
if (!param) {
_camera.load(file, param);
_hasReference = file->readNumber();
if (_hasReference)
_photoViewport.load(file, 0);
_field218 = file->readNumber();
_showingPhoto = file->readNumber();
}
}
void CStarView::save(SimpleFile *file, int indent) {
_camera.save(file, indent);
file->writeNumberLine(_hasReference, indent);
if (_hasReference)
_photoViewport.save(file, indent);
file->writeNumberLine(_field218, indent);
file->writeNumberLine(_showingPhoto, indent);
}
void CStarView::setup(CScreenManager *screenManager, CStarField *starField, CStarControl *starControl) {
_starField = starField;
_owner = starControl;
}
void CStarView::reset() {
if (_hasReference) {
CStarCamera camera(&_photoViewport);
fn18(&camera);
}
}
void CStarView::draw(CScreenManager *screenManager) {
if (!screenManager || !_videoSurface || !_starField)
return;
if (_fader.isActive()) {
CVideoSurface *surface = _showingPhoto ? _photoSurface : _videoSurface;
surface = _fader.draw(screenManager, surface);
screenManager->blitFrom(SURFACE_PRIMARY, surface);
} else {
Point destPos(20, 10);
if (_showingPhoto) {
if (_photoSurface)
screenManager->blitFrom(SURFACE_PRIMARY, _photoSurface, &destPos);
if (!_homePhotoMask && _owner) {
_homePhotoMask = _owner->getHiddenObject("HomePhotoMask");
}
if (_homePhotoMask)
_homePhotoMask->draw(screenManager, Point(20, 187));
} else {
updateCamera();
// Render the display
_videoSurface->clear();
_videoSurface->lock();
_starField->render(_videoSurface, &_camera);
_videoSurface->unlock();
// Blit the resulting surface to the screen
screenManager->blitFrom(SURFACE_PRIMARY, _videoSurface, &destPos);
}
}
}
bool CStarView::MouseButtonDownMsg(int flags, const Point &pt) {
if (_starField) {
return _starField->mouseButtonDown(
_showingPhoto ? _photoSurface : _videoSurface,
&_camera, flags, pt);
}
return false;
}
bool CStarView::MouseMoveMsg(int unused, const Point &pt) {
if (!_showingPhoto && (_fader._index < 0 || _fader._count >= 0)) {
FPoint fpt = pt;
FPoint centerPt(300.0, 170.0);
if (fpt != centerPt) {
float threshold = MIN(centerPt._x, centerPt._y) * 0.5;
FPoint tempPt = fpt - centerPt;
float distance = tempPt.normalize();
if (distance >= threshold) {
distance -= threshold;
FPoint angle(tempPt._x * -2.0 * distance / threshold,
tempPt._y * -2.0 * distance / threshold);
_camera.setViewportAngle(angle);
return true;
}
}
}
return false;
}
bool CStarView::KeyCharMsg(int key, CErrorCode *errorCode) {
FPose pose;
int matchedIndex = _starField ? _starField->getMatchedIndex() : -1;
switch (tolower(key)) {
case Common::KEYCODE_TAB:
if (_starField) {
toggleMode();
return true;
}
break;
case Common::KEYCODE_l: {
CPetControl *pet = _owner->getPetControl();
if (pet && pet->_remoteTarget) {
CPETStarFieldLockMsg lockMsg(1);
lockMsg.execute(pet->_remoteTarget);
}
return true;
}
case Common::KEYCODE_d: {
CPetControl *pet = _owner->getPetControl();
if (pet && pet->_remoteTarget) {
CPETStarFieldLockMsg lockMsg(0);
lockMsg.execute(pet->_remoteTarget);
}
return true;
}
case Common::KEYCODE_z:
if (matchedIndex == -1) {
pose.setRotationMatrix(Y_AXIS, -1.0);
_camera.changeOrientation(pose);
_camera.updatePosition(errorCode);
return true;
}
break;
case Common::KEYCODE_SEMICOLON:
if (matchedIndex == -1) {
_camera.increaseForwardSpeed();
errorCode->set();
return true;
}
break;
case Common::KEYCODE_PERIOD:
if (matchedIndex == -1) {
_camera.increaseBackwardSpeed();
errorCode->set();
return true;
}
break;
case Common::KEYCODE_SPACE:
if (matchedIndex == -1) {
_camera.stop();
errorCode->set();
return true;
}
break;
case Common::KEYCODE_x:
if (matchedIndex == -1) {
pose.setRotationMatrix(Y_AXIS, 1.0);
_camera.changeOrientation(pose);
_camera.updatePosition(errorCode);
return true;
}
break;
case Common::KEYCODE_QUOTE:
if (matchedIndex == -1) {
pose.setRotationMatrix(X_AXIS, 1.0);
_camera.changeOrientation(pose);
_camera.updatePosition(errorCode);
return true;
}
break;
case Common::KEYCODE_SLASH:
if (matchedIndex == -1) {
pose.setRotationMatrix(X_AXIS, -1.0);
_camera.changeOrientation(pose);
_camera.updatePosition(errorCode);
return true;
}
break;
default:
break;
}
return false;
}
bool CStarView::canSetStarDestination() const {
return _camera.isMoved();
}
void CStarView::starDestinationSet() {
_camera.clearIsMoved();
}
void CStarView::resetPosition() {
_camera.setPosition(FVector(0.0, 0.0, 0.0));
}
bool CStarView::updateCamera() {
if (_fader.isActive() || _showingPhoto)
return false;
if (_videoSurface) {
CErrorCode errorCode;
_camera.updatePosition(&errorCode);
if (_fader._index < 0 || _fader._index >= _fader._count)
_starField->fn1(&errorCode);
else
errorCode.set();
return errorCode.get();
}
return false;
}
void CStarView::fn2() {
if (!_videoSurface) {
CScreenManager *scrManager = CScreenManager::setCurrent();
if (scrManager)
resizeSurface(scrManager, 600, 340, &_videoSurface);
if (_videoSurface) {
fn13();
fn19(244);
draw(scrManager);
}
}
}
void CStarView::fn3(bool fadeIn) {
_fader.reset();
_fader.setFadeIn(fadeIn);
}
void CStarView::fn4() {
FVector v1, v2;
randomizeVectors1(v1, v2);
_camera.setPosition(v1);
_camera.setOrientation(v2);
}
void CStarView::fn5() {
_starField->set1(!_starField->get1());
}
void CStarView::fn6() {
_starField->set2(!_starField->get2());
}
void CStarView::fn7() {
const CBaseStarEntry *star = _starField->getRandomStar();
if (star) {
FVector pos, orientation;
randomizeVectors1(pos, orientation);
pos += star->_position;
_camera.setPosition(pos);
_camera.setOrientation(orientation);
}
}
void CStarView::fn19(int index) {
const CBaseStarEntry *star = _starField->getStar(index);
if (star) {
FVector pos, orientation;
randomizeVectors1(pos, orientation);
pos += star->_position;
_camera.setPosition(pos);
_camera.setOrientation(orientation);
}
}
void CStarView::fullSpeed() {
_camera.fullSpeed();
}
void CStarView::fn9() {
_field218 = !_field218;
if (_field218) {
_camera.proc12(MODE_PHOTO, 30.0);
_camera.proc12(MODE_STARFIELD, 28000.0);
} else {
_camera.proc12(MODE_PHOTO, 0.0);
_camera.proc12(MODE_STARFIELD, 0.0);
}
}
void CStarView::toggleMode() {
if (!_photoSurface)
return;
_showingPhoto = !_showingPhoto;
if (_starField)
_starField->setMode(_showingPhoto ? MODE_PHOTO : MODE_STARFIELD);
}
void CStarView::fn11() {
if (_starField)
_starField->fn9();
}
void CStarView::toggleBox() {
if (_starField)
_starField->toggleBox();
}
void CStarView::fn13() {
_field218 = true;
_camera.proc12(MODE_PHOTO, 30.0);
_camera.proc12(MODE_STARFIELD, 28000.0);
}
void CStarView::fn14() {
_field218 = false;
_camera.proc12(MODE_PHOTO, 0.0);
_camera.proc12(MODE_STARFIELD, 0.0);
}
void CStarView::setHasReference() {
FVector pos, orientation;
getRandomPhotoViewpoint(pos, orientation);
_photoViewport.setPosition(pos);
_photoViewport.setOrientation(orientation);
_field218 = false;
_photoViewport.changeStarColorPixel(MODE_PHOTO, 0.0);
_photoViewport.changeStarColorPixel(MODE_STARFIELD, 0.0);
_hasReference = true;
reset();
_field218 = true;
}
void CStarView::lockStar() {
if (_starField && !_showingPhoto) {
CSurfaceArea surfaceArea(_videoSurface);
FVector v1, v2, v3;
double val = _starField->fn5(&surfaceArea, &_camera, v1, v2, v3);
bool lockSuccess = false;
if (val > -1.0) {
v1 -= surfaceArea._centroid;
v3 -= surfaceArea._centroid;
switch (_starField->getMatchedIndex()) {
case -1:
// First star match
lockSuccess = _camera.lockMarker1(v1, v2, v3);
assert(lockSuccess); // lockMarker1 should always succeed
_starField->incMatches();
break;
case 0:
// Second star match
lockSuccess = _camera.lockMarker2(&_photoViewport, v2);
if (lockSuccess) // lockMarker2 may have issues
_starField->incMatches();
break;
case 1:
// Third star match
lockSuccess = _camera.lockMarker3(&_photoViewport, v2);
assert(lockSuccess); // lockMarker3 should always succeed
_starField->incMatches();
break;
default:
break;
}
}
}
}
void CStarView::unlockStar() {
if (_starField && !_showingPhoto && _camera.isNotInLockingProcess()) {
_camera.removeLockedStar();
_starField->fn8(_photoSurface);
}
}
void CStarView::fn18(CStarCamera *camera) {
if (_starField) {
if (!_photoSurface) {
CScreenManager *scrManager = CScreenManager::setCurrent();
if (scrManager)
resizeSurface(scrManager, 600, 340, &_photoSurface);
}
if (_photoSurface) {
int oldVal = _starField->get54();
bool oldCrosshairs = _starField->setBoxVisible(false);
// Render the starfield for the photograph view
_photoSurface->clear();
_photoSurface->lock();
_starField->render(_photoSurface, camera);
// Render any previously set crosshairs
_starField->setBoxVisible(oldCrosshairs);
_starField->set54(oldVal);
_starField->fn6(_photoSurface, camera);
_photoSurface->unlock();
}
}
}
void CStarView::randomizeVectors1(FVector &pos, FVector &orientation) {
/* ***DEBUG***
v1._x = 3072.0 - g_vm->getRandomFloat() * -4096.0;
v1._y = 3072.0 - g_vm->getRandomFloat() * -4096.0;
v1._z = 3072.0 - g_vm->getRandomFloat() * -4096.0;
v2._x = -v1._x;
v2._y = -v1._y;
v2._z = -v1._z;
v2.normalize();
*/
// Values temporarily hardcoded to match hacked values in original EXE
pos = FVector((float)69481544.0, (float)69481544.0, (float)69481544.0);
orientation = FVector((float)-0.577350259, (float)-0.577350259, (float)-0.577350259);
}
void CStarView::getRandomPhotoViewpoint(FVector &pos, FVector &orientation) {
/* ****DEBUG***
v1._x = 3072.0 - g_vm->getRandomFloat() * -4096.0;
v1._y = 3072.0 - g_vm->getRandomFloat() * -4096.0;
v1._z = 3072.0 - g_vm->getRandomFloat() * -4096.0;
v2._x = g_vm->getRandomFloat() * 8192.0 - v1._x;
v2._y = g_vm->getRandomFloat() * 1024.0 - v1._y;
v2._z = -v1._z;
v2.normalize();
*/
// Values temporarily hardcoded to match hacked values in original EXE
pos = FVector((float)69481544.0, (float)69481544.0, (float)69481544.0);
orientation = FVector((float)0.624659300, (float)-0.468542814, (float)-0.624714553);
}
void CStarView::resizeSurface(CScreenManager *scrManager, int width, int height,
CVideoSurface **surface) {
if (!surface)
// Surface pointer must be provided
return;
if (*surface) {
// If there's an existing surface of the correct size, re-use it
if ((*surface)->getWidth() == width && (*surface)->getHeight() == height)
return;
// Delete the old surface
delete *surface;
*surface = nullptr;
}
CVideoSurface *newSurface = scrManager->createSurface(width, height);
if (newSurface)
*surface = newSurface;
}
} // End of namespace Titanic