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Diffstat (limited to 'engines/pegasus/neighborhood/mars/spacejunk.cpp')
| -rw-r--r-- | engines/pegasus/neighborhood/mars/spacejunk.cpp | 212 |
1 files changed, 212 insertions, 0 deletions
diff --git a/engines/pegasus/neighborhood/mars/spacejunk.cpp b/engines/pegasus/neighborhood/mars/spacejunk.cpp new file mode 100644 index 0000000000..ac8b1a23cc --- /dev/null +++ b/engines/pegasus/neighborhood/mars/spacejunk.cpp @@ -0,0 +1,212 @@ +/* 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 { + +static const CoordType kMaxBounceSize = 90; +static const CoordType kBounceTargetHRange = 640 - kMaxBounceSize - 2; +static const CoordType kBounceTargetVRange = 480 - kMaxBounceSize - 2; + +static const float kJunkXTarget = 0; +static const float kJunkYTarget = 0; +static 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 - r.width()), CLIP<int>(centerY - (r.height() >> 1), 0, 480 - r.height())); + 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 |