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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.
*
* Additional copyright for this file:
* Copyright (C) 1995-1997 Presto Studios, Inc.
*
* 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 "pegasus/pegasus.h"
#include "pegasus/neighborhood/mars/mars.h"
#include "pegasus/neighborhood/mars/spacejunk.h"
namespace Pegasus {
//const TimeValue kWeaponReboundTime = kTwoSeconds * kJunkTimeScale;
//const TimeValue kCollisionReboundTime = kOneSecond * kJunkTimeScale;
const CoordType kMaxBounceSize = 90;
const CoordType kBounceTargetHRange = 640 - kMaxBounceSize - 2;
const CoordType kBounceTargetVRange = 480 - kMaxBounceSize - 2;
const float kJunkXTarget = 0;
const float kJunkYTarget = 0;
const float kJunkZTarget = kJunkMinDistance;
SpaceJunk *g_spaceJunk = 0;
SpaceJunk::SpaceJunk(const DisplayElementID id) : ScalingMovie(id) {
_timer.setScale(kJunkTimeScale);
_bouncing = false;
g_spaceJunk = this;
}
SpaceJunk::~SpaceJunk() {
g_spaceJunk = 0;
}
void SpaceJunk::launchJunk(int16 whichJunk, CoordType xOrigin, CoordType yOrigin) {
_bouncing = false;
TimeValue startTime = whichJunk * 16 * 40;
TimeValue stopTime = startTime + 16 * 40;
_launchPoint = Point3D(convertScreenHToSpaceX(xOrigin, kJunkMaxDistance),
convertScreenVToSpaceY(yOrigin, kJunkMaxDistance), kJunkMaxDistance);
startIdling();
stop();
setFlags(0);
setSegment(startTime, stopTime);
setFlags(kLoopTimeBase);
setTime(startTime);
start();
show();
_timer.stop();
_timer.setSegment(0, kJunkTravelTime);
_timer.setTime(0);
// Force it to set up correctly from the get-go
useIdleTime();
_timer.start();
}
void SpaceJunk::setCenter(const CoordType centerX, const CoordType centerY) {
_center.x = centerX;
_center.y = centerY;
Common::Rect r;
getBounds(r);
r.moveTo(CLIP<int>(centerX - (r.width() >> 1), 0, 640), CLIP<int>(centerY - (r.height() >> 1), 0, 480));
setBounds(r);
}
void SpaceJunk::setScaleSize(const CoordType size) {
Common::Rect r;
r.left = _center.x - (size >> 1);
r.top = _center.y - (size >> 1);
r.right = r.left + size;
r.bottom = r.top + size;
setBounds(r);
}
void SpaceJunk::useIdleTime() {
if (_bouncing) {
TimeValue time = _timer.getTime();
Common::Point pt;
pt.x = linearInterp(0, _bounceTime, time, _bounceStart.x, _bounceStop.x);
pt.y = linearInterp(0, _bounceTime, time, _bounceStart.y, _bounceStop.y);
CoordType size = linearInterp(0, _bounceTime, time, _bounceSizeStart, _bounceSizeStop);
setCenter(pt.x, pt.y);
setScaleSize(size);
if (time == _bounceTime) {
stop();
stopIdling();
hide();
((Mars *)g_neighborhood)->setUpNextDropTime();
}
} else {
float t = (float)_timer.getTime() / kJunkTravelTime;
linearInterp(_launchPoint, kJunkXTarget, kJunkYTarget, kJunkZTarget, t, _junkPosition);
Common::Point pt2D;
project3DTo2D(_junkPosition, pt2D);
setCenter(pt2D.x, pt2D.y);
setScaleSize((int)(convertSpaceYToScreenV(_junkPosition.y - kJunkSize / 2, _junkPosition.z) -
convertSpaceYToScreenV(_junkPosition.y + kJunkSize / 2, _junkPosition.z)));
if (t == 1.0) {
rebound(kCollisionReboundTime);
((Mars *)g_neighborhood)->hitByJunk();
}
}
}
bool SpaceJunk::pointInJunk(const Common::Point &pt) {
Common::Rect r;
getBounds(r);
int dx = r.width() / 4;
int dy = r.height() / 4;
r.left += dx;
r.right -= dx;
r.top += dy;
r.top -= dy;
return r.contains(pt);
}
void SpaceJunk::rebound(const TimeValue reboundTime) {
Common::Rect bounds;
getBounds(bounds);
_bounceStart.x = (bounds.left + bounds.right) >> 1;
_bounceStart.y = (bounds.top + bounds.bottom) >> 1;
PegasusEngine *vm = (PegasusEngine *)g_engine;
switch (vm->getRandomNumber(3)) {
case 0:
_bounceStop.x = kMaxBounceSize / 2 + 1 + vm->getRandomNumber(kBounceTargetHRange - 1);
_bounceStop.y = kMaxBounceSize / 2 + 1;
break;
case 1:
_bounceStop.x = kMaxBounceSize / 2 + 1 + vm->getRandomNumber(kBounceTargetHRange - 1);
_bounceStop.y = 480 - kMaxBounceSize / 2 + 1;
break;
case 2:
_bounceStop.x = kMaxBounceSize / 2 + 1;
_bounceStop.y = kMaxBounceSize / 2 + 1 + vm->getRandomNumber(kBounceTargetVRange - 1);
break;
case 3:
_bounceStop.x = 640 - kMaxBounceSize / 2 + 1;
_bounceStop.y = kMaxBounceSize / 2 + 1 + vm->getRandomNumber(kBounceTargetVRange - 1);
break;
}
_bounceSizeStart = bounds.width();
_bounceSizeStop = MIN(_bounceSizeStart, kMaxBounceSize);
_timer.stop();
_timer.setSegment(0, reboundTime);
_bounceTime = reboundTime;
_timer.setTime(0);
_timer.start();
_bouncing = true;
}
void SpaceJunk::hitByEnergyBeam(Common::Point) {
rebound(kWeaponReboundTime);
setGlowing(true);
((PegasusEngine *)g_engine)->delayShell(1, 3);
setGlowing(false);
}
void SpaceJunk::hitByGravitonCannon(Common::Point impactPoint) {
stop();
stopIdling();
hide();
Common::Rect r;
getBounds(r);
r = Common::Rect::center(impactPoint.x, impactPoint.y, r.width(), r.height());
((Mars *)g_neighborhood)->showBigExplosion(r, kShuttleJunkOrder);
((Mars *)g_neighborhood)->setUpNextDropTime();
}
void SpaceJunk::getJunkPosition(Point3D &position) {
position = _junkPosition;
}
bool SpaceJunk::isJunkFlying() {
return isIdling();
}
} // End of namespace Pegasus
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