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Diffstat (limited to 'engines/pegasus/neighborhood/mars/gravitoncannon.cpp')
| -rw-r--r-- | engines/pegasus/neighborhood/mars/gravitoncannon.cpp | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/engines/pegasus/neighborhood/mars/gravitoncannon.cpp b/engines/pegasus/neighborhood/mars/gravitoncannon.cpp new file mode 100644 index 0000000000..13dc6dfc77 --- /dev/null +++ b/engines/pegasus/neighborhood/mars/gravitoncannon.cpp @@ -0,0 +1,134 @@ +/* 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/neighborhood/mars/gravitoncannon.h" +#include "pegasus/neighborhood/mars/robotship.h" +#include "pegasus/neighborhood/mars/spacejunk.h" + +namespace Pegasus { + +static const TimeValue kGravitonTime = kOneSecond * kShuttleWeaponScale; + +static const CoordType kGravitonOriginH = kShuttleWindowLeft - 1; +static const CoordType kGravitonOriginV = kShuttleWindowMidV; + +static const float kGravitonXOrigin = convertScreenHToSpaceX(kGravitonOriginH, kGravitonMinDistance); +static const float kGravitonYOrigin = convertScreenVToSpaceY(kGravitonOriginV, kGravitonMinDistance); +static const float kGravitonZOrigin = kGravitonMinDistance; + +// Width of graviton sprite... +static const CoordType kGravitonMaxScreenWidth = 78; +static const CoordType kGravitonMaxScreenHeight = 46; + +static const float kGravitonWidth = convertScreenHToSpaceX(kShuttleWindowMidH + kGravitonMaxScreenWidth / 2, kGravitonMinDistance) + - convertScreenHToSpaceX(kShuttleWindowMidH - kGravitonMaxScreenWidth / 2, kGravitonMinDistance); +static const float kGravitonHeight = convertScreenVToSpaceY(kShuttleWindowMidV - kGravitonMaxScreenHeight / 2, kGravitonMinDistance) + - convertScreenVToSpaceY(kShuttleWindowMidV + kGravitonMaxScreenHeight / 2, kGravitonMinDistance); + +GravitonCannon::GravitonCannon() { + _weaponDuration = kGravitonTime; + setSegment(0, kGravitonTime); + _weaponOrigin = Point3D(kGravitonXOrigin, kGravitonYOrigin, kGravitonZOrigin); + _rightOrigin = Point3D(-kGravitonXOrigin, kGravitonYOrigin, kGravitonZOrigin); +} + +void GravitonCannon::initShuttleWeapon() { + ShuttleWeapon::initShuttleWeapon(); + _gravitonImage.getImageFromPICTFile("Images/Mars/Graviton Cannon"); + _gravitonImage.getSurfaceBounds(_gravitonBounds); +} + +void GravitonCannon::cleanUpShuttleWeapon() { + _gravitonImage.deallocateSurface(); + ShuttleWeapon::cleanUpShuttleWeapon(); +} + +void GravitonCannon::draw(const Common::Rect &) { + // Left graviton... + Point3D pt3D = _weaponLocation; + pt3D.translate(-kGravitonWidth / 2, kGravitonHeight / 2, 0); + Common::Point pt2D; + project3DTo2D(pt3D, pt2D); + Common::Rect gravitonRect; + gravitonRect.left = pt2D.x; + gravitonRect.top = pt2D.y; + + pt3D.translate(kGravitonWidth, -kGravitonHeight, 0); + project3DTo2D(pt3D, pt2D); + gravitonRect.right = pt2D.x; + gravitonRect.bottom = pt2D.y; + + _gravitonImage.scaleTransparentCopy(_gravitonBounds, gravitonRect); + + // Right graviton... + pt3D = _rightLocation; + pt3D.translate(-kGravitonWidth / 2, kGravitonHeight / 2, 0); + project3DTo2D(pt3D, pt2D); + gravitonRect.left = pt2D.x; + gravitonRect.top = pt2D.y; + + pt3D.translate(kGravitonWidth, -kGravitonHeight, 0); + project3DTo2D(pt3D, pt2D); + gravitonRect.right = pt2D.x; + gravitonRect.bottom = pt2D.y; + + _gravitonImage.scaleTransparentCopy(_gravitonBounds, gravitonRect); +} + +void GravitonCannon::updateWeaponPosition() { + ShuttleWeapon::updateWeaponPosition(); + if (_weaponTime != 1.0) + linearInterp(_rightOrigin, _weaponTarget, _weaponTime, _rightLocation); +} + +bool GravitonCannon::collisionWithJunk(Common::Point &impactPoint) { + if (getDisplayOrder() == kShuttleWeaponFrontOrder) { + Point3D junkPosition; + g_spaceJunk->getJunkPosition(junkPosition); + + if (junkPosition.z < _weaponLocation.z) { + setDisplayOrder(kShuttleWeaponBackOrder); + project3DTo2D(_weaponLocation, impactPoint); + + if (g_spaceJunk->pointInJunk(impactPoint)) + return true; + + project3DTo2D(_rightLocation, impactPoint); + return g_spaceJunk->pointInJunk(impactPoint); + } + } + + return false; +} + +void GravitonCannon::hitJunk(Common::Point impactPoint) { + g_spaceJunk->hitByGravitonCannon(impactPoint); +} + +void GravitonCannon::hitShuttle(Common::Point impactPoint) { + g_robotShip->hitByGravitonCannon(impactPoint); +} + +} // End of namespace Pegasus |