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// Copyright 2023 Leszek Koltunski //
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// //
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// This file is part of Magic Cube. //
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// //
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// Magic Cube is proprietary software licensed under an EULA which you should have received //
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// along with the code. If not, check https://distorted.org/magic/License-Magic-Cube.html //
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///////////////////////////////////////////////////////////////////////////////////////////////////
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package org.distorted.objectlib.main;
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import org.distorted.library.effect.VertexEffectRotate;
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import org.distorted.library.main.DistortedEffects;
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import org.distorted.library.message.EffectListener;
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import org.distorted.library.type.Dynamic1D;
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import org.distorted.library.type.Static1D;
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import org.distorted.library.type.Static3D;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public class TwistyLayerRotations
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{
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private static final int STATE_NOTHING = 0;
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private static final int STATE_ROTATE = 1;
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private static final int STATE_FINISH = 2;
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private static final int POST_ROTATION_MILLISEC = 500;
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private static final Static3D CENTER = new Static3D(0,0,0);
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private int mRotationState;
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private int mRotRowBitmap;
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private int mCurrentRotAxis;
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private final int mMaxNumLayers;
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private final Static3D mRotationAxis;
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private final VertexEffectRotate mRotateEffect;
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private final Dynamic1D mRotationAngle;
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private final Static1D mRotationAngleStatic, mRotationAngleMiddle, mRotationAngleFinal;
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private final TwistyObject mParent;
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// ghost angle
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private final int mGhostAngle;
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private final Static3D[] mAxis;
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private final int[] mNumLayers;
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private int mSolvedBitmap;
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private int mGhostEffectBitmap;
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private VertexEffectRotate mGhostEffect1;
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private boolean mCanGhost;
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private Static3D mEffectAx;
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private int mAxNum;
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private int mGhostRot;
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TwistyLayerRotations(TwistyObject parent, Static3D[] axis, int[] numLayers, int ghostAngle, DistortedEffects effect)
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{
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mParent = parent;
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mGhostAngle = ghostAngle;
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mAxis = axis;
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mNumLayers = numLayers;
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int maxLayers = -1;
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for(int numLayer : numLayers) if(maxLayers<numLayer) maxLayers = numLayer;
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mMaxNumLayers = maxLayers;
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mRotationState = STATE_NOTHING;
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mRotationAngleStatic = new Static1D(0);
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mRotationAngleMiddle = new Static1D(0);
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mRotationAngleFinal = new Static1D(0);
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mRotationAngle= new Dynamic1D();
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mRotationAxis = new Static3D(1,0,0);
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mRotateEffect = new VertexEffectRotate(mRotationAngle, mRotationAxis, CENTER);
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effect.apply(mRotateEffect);
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if( mGhostAngle!=0 )
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{
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mAxNum = 0;
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int nL = mNumLayers[mAxNum];
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mEffectAx = mAxis[mAxNum];
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int numRightRows = nL - nL/2;
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mSolvedBitmap = ((1<<numRightRows)-1)<<(nL/2);
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mGhostEffectBitmap = mSolvedBitmap;
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mParent.enableGhostAxis(mAxNum,false);
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Static1D ghostAngle1= new Static1D(mGhostAngle);
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mGhostEffect1 = new VertexEffectRotate(ghostAngle1, mEffectAx, CENTER);
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mGhostEffect1.setMeshAssociation(mGhostEffectBitmap,-1);
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effect.apply(mGhostEffect1);
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// GHOST
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private int computeGhostAngle(int row, int basicAngle, float angle, float speed)
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{
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boolean ghosted = rowIsGhosted(row);
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int basic = 360/basicAngle;
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int nearest = computeNearest( ghosted ? basic-mGhostAngle : mGhostAngle, basic, angle );
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if( (nearest%basic)!=0 )
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{
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changeRow(row);
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mGhostRot = (ghosted ? 1:-1)*mGhostAngle;
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}
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int ret= computeNoGhostAngle(basicAngle,angle,speed);
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android.util.Log.e("D", "computeGhostAngle: "+ret+" ghostRot="+mGhostRot+" angle>0: "+(angle>0)+" ghosted="+ghosted);
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return ret;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private boolean rowIsGhosted(int row)
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{
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return ((mGhostEffectBitmap>>row)&0x1)==1;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private int computeNearest(int ghostAngle, int basicAngle, float angle)
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{
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float A = (2*angle-ghostAngle)/basicAngle;
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int k = A>=0 ? (int)A : (int)A-1;
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return (k%2)==0 ? (k/2)*basicAngle+ghostAngle : ((k+1)/2)*basicAngle;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private void changeRow(int row)
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{
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android.util.Log.e("D", "changing row "+row);
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int nL = mNumLayers[mAxNum];
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if( mGhostEffectBitmap==0 || mGhostEffectBitmap==((1<<nL)-1) ) mParent.enableGhostAxis(mAxNum,false);
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mGhostEffectBitmap ^= (1<<row);
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if( mGhostEffectBitmap==0 || mGhostEffectBitmap==((1<<nL)-1) ) mParent.enableGhostAxis(mAxNum,true);
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mGhostEffect1.setMeshAssociation( mGhostEffectBitmap, -1);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// END GHOST
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private int computeNoGhostAngle(int basicAngle, float angle, float speed)
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{
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int basicDeg = 360/basicAngle;
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int numRot = (int)(angle/basicDeg + 0.5f);
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if( angle< -(basicDeg*0.5) ) numRot-=1;
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if( numRot==0 && speed>1.1f ) numRot = (angle>0 ? 1:-1);
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return basicDeg*numRot;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private int computeNearestAngle(int axisIndex, int row, int basicAngle, float angle, float speed)
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{
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if( mGhostAngle==0 || axisIndex!=0 /*|| !mCanGhost*/ )
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{
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return computeNoGhostAngle(basicAngle,angle,speed);
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}
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else
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{
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return computeGhostAngle(row,basicAngle,angle,speed);
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private float getAngle()
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{
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int pointNum = mRotationAngle.getNumPoints();
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return pointNum>=1 ? mRotationAngle.getPoint(pointNum-1).get0() : 0;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// API
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// the rotation has fully finished (everything including the last mini 'come back'). Delete it.
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synchronized float removeRotation()
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{
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float angle = getAngle();
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mRotationAngleStatic.set0(0);
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mRotationAngle.removeAll();
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mParent.rotateAllCubits(mCurrentRotAxis,mRotRowBitmap, (int)angle );
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mRotationState = STATE_NOTHING;
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return angle;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// we have just lifted the finger; create this last little 'come back'
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long finishRotation(ObjectPreRender pre, int axisIndex, int row, int basicAngle, float finishAngle, float avgSpeed)
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{
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mGhostRot = 0;
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int nearestAngleInDegrees = computeNearestAngle(axisIndex,row,basicAngle,finishAngle,avgSpeed);
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mRotationState = STATE_FINISH;
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float angle = getAngle() + mGhostRot;
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mRotationAngleStatic.set0(angle);
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mRotationAngleFinal.set0(nearestAngleInDegrees);
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mRotationAngleMiddle.set0( nearestAngleInDegrees + (nearestAngleInDegrees-angle)*0.2f );
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mRotationAngle.setDuration(POST_ROTATION_MILLISEC);
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mRotationAngle.resetToBeginning();
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mRotationAngle.removeAll();
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mRotationAngle.add(mRotationAngleStatic);
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mRotationAngle.add(mRotationAngleMiddle);
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mRotationAngle.add(mRotationAngleFinal);
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mRotateEffect.notifyWhenFinished(pre);
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return mRotateEffect.getID();
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// rotation has begun and we have just moved the finger a bit
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void continueRotation(float angleInDegrees)
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{
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mRotationAngleStatic.set0(angleInDegrees);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// this is 'programmatic' rotation - i.e. for example the one induced by the 'backMove' button.
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synchronized long addRotation(EffectListener listener, int axisIndex, int rowBitmap, int angle, long durationMillis )
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{
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int mult = 1;
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if( mRotationState==STATE_ROTATE ) return 0;
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if( mRotationState==STATE_FINISH ) { removeRotation(); mult = -1; }
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mRotationState = STATE_ROTATE;
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mCurrentRotAxis= axisIndex;
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mRotRowBitmap = mParent.computeBandagedBitmap(rowBitmap,axisIndex);
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mRotationAngleStatic.set0(0.0f);
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mRotationAxis.set(mAxis[axisIndex]);
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mRotationAngle.setDuration(durationMillis);
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mRotationAngle.resetToBeginning();
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mRotationAngle.add(new Static1D(0));
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mRotationAngle.add(new Static1D(angle));
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mRotateEffect.setMeshAssociation( mRotRowBitmap<<(axisIndex*mMaxNumLayers) , -1);
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mRotateEffect.notifyWhenFinished(listener);
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return mult*mRotateEffect.getID();
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// i.e. we just touched the screen, moved it a little bit and the TouchControl has figured out
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// along which axis we are going to rotate.
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synchronized boolean beginRotation(int axisIndex, int row )
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{
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if( mRotationState==STATE_ROTATE ) return false;
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if( mRotationState==STATE_FINISH ) removeRotation();
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mRotationState = STATE_ROTATE;
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mCurrentRotAxis= axisIndex;
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mRotRowBitmap = mParent.computeBandagedBitmap( (1<<row),axisIndex );
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mRotationAngleStatic.set0(0.0f);
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mRotationAxis.set( mAxis[axisIndex] );
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mRotationAngle.add(mRotationAngleStatic);
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mRotateEffect.setMeshAssociation( mRotRowBitmap<<(axisIndex*mMaxNumLayers) , -1);
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return true;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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boolean isSolved(boolean solved)
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{
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mCanGhost = solved;
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return (solved && (mGhostAngle==0 || mGhostEffectBitmap==mSolvedBitmap) );
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}
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}
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