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Diffstat (limited to 'engines/zvision/scripting/controls/lever_control.h')
| -rw-r--r-- | engines/zvision/scripting/controls/lever_control.h | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/engines/zvision/scripting/controls/lever_control.h b/engines/zvision/scripting/controls/lever_control.h new file mode 100644 index 0000000000..69473cf119 --- /dev/null +++ b/engines/zvision/scripting/controls/lever_control.h @@ -0,0 +1,127 @@ +/* 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. + * + */ + +#ifndef ZVISION_LEVER_CONTROL_H +#define ZVISION_LEVER_CONTROL_H + +#include "zvision/scripting/control.h" + +#include "common/list.h" +#include "common/rect.h" + + +namespace ZVision { + +class ZorkAVIDecoder; +class RlfAnimation; + +class LeverControl : public Control { +public: + LeverControl(ZVision *engine, uint32 key, Common::SeekableReadStream &stream); + ~LeverControl(); + +private: + enum FileType { + RLF = 1, + AVI = 2 + }; + + struct Direction { + Direction(uint a, uint t) : angle(a), toFrame(t) {} + + uint angle; + uint toFrame; + }; + + struct FrameInfo { + Common::Rect hotspot; + Common::List<Direction> directions; + Common::List<uint> returnRoute; + }; + + enum { + ANGLE_DELTA = 30, // How far off a mouse angle can be and still be considered valid. This is in both directions, so the total buffer zone is (2 * ANGLE_DELTA) + ANIMATION_FRAME_TIME = 30 // In millis + }; + +private: + union { + RlfAnimation *rlf; + ZorkAVIDecoder *avi; + } _animation; + FileType _fileType; + + Common::String _cursorName; + Common::Rect _animationCoords; + bool _mirrored; + uint _frameCount; + uint _startFrame; + Common::Point _hotspotDelta; + FrameInfo *_frameInfo; + + uint _currentFrame; + uint _lastRenderedFrame; + bool _mouseIsCaptured; + bool _isReturning; + Common::Point _lastMousePos; + Common::List<uint>::iterator _returnRoutesCurrentProgress; + uint _returnRoutesCurrentFrame; + uint32 _accumulatedTime; + +public: + void onMouseDown(const Common::Point &screenSpacePos, const Common::Point &backgroundImageSpacePos); + void onMouseUp(const Common::Point &screenSpacePos, const Common::Point &backgroundImageSpacePos); + bool onMouseMove(const Common::Point &screenSpacePos, const Common::Point &backgroundImageSpacePos); + bool process(uint32 deltaTimeInMillis); + +private: + void parseLevFile(const Common::String &fileName); + /** + * Calculates the angle a vector makes with the negative y-axis + * + * 90 + * pointTwo * ^ + * \ | + * \ | + * \ | + * \ | + * angle ( \|pointOne + * 180 <-----------*-----------> 0 + * | + * | + * | + * | + * | + * ^ + * 270 + * + * @param pointOne The origin of the vector + * @param pointTwo The end of the vector + * @return The angle the vector makes with the negative y-axis + */ + static int calculateVectorAngle(const Common::Point &pointOne, const Common::Point &pointTwo); + void renderFrame(uint frameNumber); +}; + +} // End of namespace ZVision + +#endif |