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PEGASUS: Add the shuttle weapon base class
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Matthew Hoops
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Oct 27, 2011
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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. | ||
* | ||
*/ | ||
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#include "pegasus/neighborhood/mars/shuttleweapon.h" | ||
#include "pegasus/neighborhood/mars/spacejunk.h" | ||
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namespace Pegasus { | ||
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ShuttleWeapon::ShuttleWeapon() : IdlerAnimation(kNoDisplayElement) { | ||
setScale(kShuttleWeaponScale); | ||
_weaponDuration = kShuttleWeaponScale * 2; | ||
setSegment(0, _weaponDuration); | ||
setBounds(kShuttleWindowLeft, kShuttleWindowTop, kShuttleWindowLeft + kShuttleWindowWidth, | ||
kShuttleWindowTop + kShuttleWindowHeight); | ||
setDisplayOrder(kShuttleWeaponFrontOrder); | ||
} | ||
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void ShuttleWeapon::initShuttleWeapon() { | ||
startDisplaying(); | ||
} | ||
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void ShuttleWeapon::cleanUpShuttleWeapon() { | ||
stop(); | ||
hide(); | ||
stopDisplaying(); | ||
} | ||
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bool ShuttleWeapon::canFireWeapon() { | ||
return !isRunning(); | ||
} | ||
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void ShuttleWeapon::fireWeapon(const tCoordType hStop, const tCoordType vStop) { | ||
if (!isRunning()) { | ||
stop(); | ||
setTime(0); | ||
show(); | ||
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Common::Point pt2D(hStop, vStop); | ||
project2DTo3D(pt2D, kShuttleDistance, _weaponTarget); | ||
_weaponTime = 0; | ||
setDisplayOrder(kShuttleWeaponFrontOrder); | ||
start(); | ||
} | ||
} | ||
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void ShuttleWeapon::updateWeaponPosition() { | ||
_weaponTime = (float)_lastTime / _weaponDuration; | ||
linearInterp(_weaponOrigin, _weaponTarget, _weaponTime, _weaponLocation); | ||
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if (_weaponTime == 1.0) { | ||
stop(); | ||
hide(); | ||
} else { | ||
triggerRedraw(); | ||
} | ||
} | ||
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void ShuttleWeapon::timeChanged(const TimeValue) { | ||
updateWeaponPosition(); | ||
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bool hit = false; | ||
Common::Point impactPoint; | ||
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if (g_spaceJunk->isJunkFlying()) { | ||
hit = collisionWithJunk(impactPoint); | ||
if (hit) { | ||
stop(); | ||
hide(); | ||
hitJunk(impactPoint); | ||
} | ||
} | ||
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if (!hit && _weaponTime == 1.0 && collisionWithShuttle(impactPoint)) | ||
hitShuttle(impactPoint); | ||
} | ||
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bool ShuttleWeapon::collisionWithJunk(Common::Point &impactPoint) { | ||
if (getDisplayOrder() == kShuttleWeaponFrontOrder) { | ||
Point3D junkPosition; | ||
g_spaceJunk->getJunkPosition(junkPosition); | ||
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if (junkPosition.z < _weaponLocation.z) { | ||
setDisplayOrder(kShuttleWeaponBackOrder); | ||
project3DTo2D(_weaponLocation, impactPoint); | ||
return g_spaceJunk->pointInJunk(impactPoint); | ||
} | ||
} | ||
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return false; | ||
} | ||
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bool ShuttleWeapon::collisionWithShuttle(Common::Point &impactPoint) { | ||
project3DTo2D(_weaponLocation, impactPoint); | ||
return g_robotShip->pointInShuttle(impactPoint); | ||
} | ||
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void ShuttleWeapon::hitJunk(Common::Point impactPoint) { | ||
g_spaceJunk->hitByEnergyBeam(impactPoint); | ||
} | ||
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void ShuttleWeapon::hitShuttle(Common::Point impactPoint) { | ||
g_robotShip->hitByEnergyBeam(impactPoint); | ||
} | ||
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} // End of namespace Pegasus |
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,68 @@ | ||
/* 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. | ||
* | ||
*/ | ||
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#ifndef PEGASUS_NEIGHBORHOOD_MARS_SHUTTLEWEAPON_H | ||
#define PEGASUS_NEIGHBORHOOD_MARS_SHUTTLEWEAPON_H | ||
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#include "pegasus/timers.h" | ||
#include "pegasus/neighborhood/mars/spacechase3d.h" | ||
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namespace Pegasus { | ||
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// Can fire multiple times? | ||
// For now, no... | ||
// clone2727 adds: And now forever | ||
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const TimeScale kShuttleWeaponScale = kFifteenTicksPerSecond; | ||
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class ShuttleWeapon : public IdlerAnimation { | ||
public: | ||
ShuttleWeapon(); | ||
virtual ~ShuttleWeapon() {} | ||
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virtual void initShuttleWeapon(); | ||
virtual void cleanUpShuttleWeapon(); | ||
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virtual void fireWeapon(const tCoordType, const tCoordType); | ||
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bool canFireWeapon(); | ||
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protected: | ||
void timeChanged(const TimeValue); | ||
virtual void updateWeaponPosition(); | ||
virtual bool collisionWithJunk(Common::Point &impactPoint); | ||
bool collisionWithShuttle(Common::Point &impactPoint); | ||
virtual void hitJunk(Common::Point impactPoint); | ||
virtual void hitShuttle(Common::Point impactPoint); | ||
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Point3D _weaponOrigin, _weaponTarget; | ||
Point3D _weaponLocation; | ||
float _weaponTime; | ||
TimeValue _weaponDuration; | ||
}; | ||
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} // End of namespace Pegasus | ||
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#endif |