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Format is: common/scummsys.h (Only if a .cpp file) header file for this file (Only if a .cpp file) zengine includes other includes, grouped by module
128 lines
3.4 KiB
C++
128 lines
3.4 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef ZVISION_LEVER_CONTROL_H
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#define ZVISION_LEVER_CONTROL_H
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#include "zvision/control.h"
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#include "common/list.h"
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#include "common/rect.h"
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namespace ZVision {
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class ZorkAVIDecoder;
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class RlfAnimation;
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class LeverControl : public Control {
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public:
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LeverControl(ZVision *engine, uint32 key, Common::SeekableReadStream &stream);
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~LeverControl();
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private:
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enum FileType {
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RLF = 1,
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AVI = 2
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};
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struct Direction {
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Direction(uint a, uint t) : angle(a), toFrame(t) {}
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uint angle;
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uint toFrame;
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};
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struct FrameInfo {
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Common::Rect hotspot;
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Common::List<Direction> directions;
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Common::List<uint> returnRoute;
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};
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enum {
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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)
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ANIMATION_FRAME_TIME = 30 // In millis
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};
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private:
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union {
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RlfAnimation *rlf;
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ZorkAVIDecoder *avi;
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} _animation;
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FileType _fileType;
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Common::String _cursorName;
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Common::Rect _animationCoords;
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bool _mirrored;
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uint _frameCount;
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uint _startFrame;
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Common::Point _hotspotDelta;
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FrameInfo *_frameInfo;
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uint _currentFrame;
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uint _lastRenderedFrame;
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bool _mouseIsCaptured;
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bool _isReturning;
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Common::Point _lastMousePos;
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Common::List<uint>::iterator _returnRoutesCurrentProgress;
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uint _returnRoutesCurrentFrame;
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uint32 _accumulatedTime;
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public:
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void onMouseDown(const Common::Point &screenSpacePos, const Common::Point &backgroundImageSpacePos);
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void onMouseUp(const Common::Point &screenSpacePos, const Common::Point &backgroundImageSpacePos);
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bool onMouseMove(const Common::Point &screenSpacePos, const Common::Point &backgroundImageSpacePos);
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bool process(uint32 deltaTimeInMillis);
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private:
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void parseLevFile(const Common::String &fileName);
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/**
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* Calculates the angle a vector makes with the negative y-axis
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*
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* 90
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* pointTwo * ^
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* \ |
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* \ |
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* \ |
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* \ |
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* angle ( \|pointOne
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* 180 <-----------*-----------> 0
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* |
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* |
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* |
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* |
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* |
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* ^
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* 270
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*
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* @param pointOne The origin of the vector
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* @param pointTwo The end of the vector
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* @return The angle the vector makes with the negative y-axis
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*/
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static int calculateVectorAngle(const Common::Point &pointOne, const Common::Point &pointTwo);
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void renderFrame(uint frameNumber);
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};
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} // End of namespace ZVision
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#endif
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