1 |
29b82486
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
2 |
|
|
// Copyright 2021 Leszek Koltunski //
|
3 |
|
|
// //
|
4 |
|
|
// This file is part of Magic Cube. //
|
5 |
|
|
// //
|
6 |
a7a40b3c
|
Leszek Koltunski
|
// Magic Cube is proprietary software licensed under an EULA which you should have received //
|
7 |
|
|
// along with the code. If not, check https://distorted.org/magic/License-Magic-Cube.html //
|
8 |
29b82486
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
9 |
|
|
|
10 |
198c5bf0
|
Leszek Koltunski
|
package org.distorted.objectlib.helpers;
|
11 |
29b82486
|
Leszek Koltunski
|
|
12 |
9b1fe915
|
Leszek Koltunski
|
import org.distorted.library.main.QuatHelper;
|
13 |
|
|
import org.distorted.library.type.Static3D;
|
14 |
5931ae4d
|
Leszek Koltunski
|
import org.distorted.library.type.Static4D;
|
15 |
|
|
import org.distorted.objectlib.main.TwistyObject;
|
16 |
|
|
|
17 |
29b82486
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
18 |
|
|
|
19 |
|
|
public class ObjectShape
|
20 |
|
|
{
|
21 |
9b1fe915
|
Leszek Koltunski
|
private static final float[] mTmp1 = new float[4];
|
22 |
|
|
private static final float[] mTmp2 = new float[4];
|
23 |
|
|
|
24 |
57ef6378
|
Leszek Koltunski
|
private final float[][] mVertices;
|
25 |
29b82486
|
Leszek Koltunski
|
private final int[][] mVertIndices;
|
26 |
|
|
|
27 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
28 |
|
|
|
29 |
59a971c1
|
Leszek Koltunski
|
public ObjectShape(float[][] vertices, int[][] vertIndices)
|
30 |
29b82486
|
Leszek Koltunski
|
{
|
31 |
59a971c1
|
Leszek Koltunski
|
mVertices = vertices;
|
32 |
|
|
mVertIndices= vertIndices;
|
33 |
29b82486
|
Leszek Koltunski
|
}
|
34 |
|
|
|
35 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
36 |
|
|
|
37 |
57ef6378
|
Leszek Koltunski
|
public float[][] getVertices()
|
38 |
29b82486
|
Leszek Koltunski
|
{
|
39 |
|
|
return mVertices;
|
40 |
|
|
}
|
41 |
|
|
|
42 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
43 |
|
|
|
44 |
|
|
public int[][] getVertIndices()
|
45 |
|
|
{
|
46 |
|
|
return mVertIndices;
|
47 |
|
|
}
|
48 |
|
|
|
49 |
c187cb69
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
50 |
|
|
|
51 |
ac97ecc0
|
Leszek Koltunski
|
public static int computeNumComponents(ObjectShape[] shapes)
|
52 |
c187cb69
|
Leszek Koltunski
|
{
|
53 |
ac97ecc0
|
Leszek Koltunski
|
int ret = 0;
|
54 |
|
|
|
55 |
|
|
for( ObjectShape shape : shapes )
|
56 |
|
|
{
|
57 |
|
|
int numShape = shape.mVertIndices.length;
|
58 |
|
|
if( numShape>ret ) ret = numShape;
|
59 |
|
|
}
|
60 |
|
|
|
61 |
|
|
return ret;
|
62 |
c187cb69
|
Leszek Koltunski
|
}
|
63 |
5931ae4d
|
Leszek Koltunski
|
|
64 |
9b1fe915
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
65 |
|
|
// take vertex, apply quat, apply move, write to output
|
66 |
|
|
|
67 |
|
|
private static void computeVertex(float[] output, float[] vertex, float[] move, Static4D quat)
|
68 |
|
|
{
|
69 |
|
|
QuatHelper.rotateVectorByQuat(mTmp2,vertex[0],vertex[1],vertex[2],1.0f,quat);
|
70 |
|
|
|
71 |
|
|
int numMoves = move.length/3;
|
72 |
|
|
float moveX=0.0f, moveY=0.0f, moveZ=0.0f;
|
73 |
|
|
|
74 |
|
|
for(int m=0; m<numMoves; m++)
|
75 |
|
|
{
|
76 |
|
|
moveX += move[3*m ];
|
77 |
|
|
moveY += move[3*m+1];
|
78 |
|
|
moveZ += move[3*m+2];
|
79 |
|
|
}
|
80 |
|
|
|
81 |
|
|
output[0] = mTmp2[0] + moveX/numMoves;
|
82 |
|
|
output[1] = mTmp2[1] + moveY/numMoves;
|
83 |
|
|
output[2] = mTmp2[2] + moveZ/numMoves;
|
84 |
|
|
}
|
85 |
|
|
|
86 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
87 |
|
|
|
88 |
|
|
private static boolean vertInFace(float[] vertex, Static3D faceAxis, float dist)
|
89 |
|
|
{
|
90 |
802fe251
|
Leszek Koltunski
|
final float MAX_ERROR = 0.04f; // Rex Cube requires this
|
91 |
9b1fe915
|
Leszek Koltunski
|
|
92 |
|
|
float x= faceAxis.get0();
|
93 |
|
|
float y= faceAxis.get1();
|
94 |
|
|
float z= faceAxis.get2();
|
95 |
|
|
|
96 |
|
|
float a = vertex[0]*x + vertex[1]*y + vertex[2]*z;
|
97 |
|
|
float diff = a - dist;
|
98 |
|
|
|
99 |
|
|
return diff>-MAX_ERROR && diff<MAX_ERROR;
|
100 |
|
|
}
|
101 |
|
|
|
102 |
5931ae4d
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
103 |
|
|
|
104 |
9b1fe915
|
Leszek Koltunski
|
private static boolean indexContains(int[] indices, int index)
|
105 |
5931ae4d
|
Leszek Koltunski
|
{
|
106 |
9b1fe915
|
Leszek Koltunski
|
for( int j : indices )
|
107 |
|
|
if( j==index ) return true;
|
108 |
|
|
|
109 |
|
|
return false;
|
110 |
|
|
}
|
111 |
|
|
|
112 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
113 |
|
|
|
114 |
|
|
private static int[] computeCubitFaceColors(ObjectShape shape, float[] move, Static4D quat, Static3D[] faceAxis, float[] dist3D, float size)
|
115 |
|
|
{
|
116 |
|
|
float[][] vertices = shape.getVertices();
|
117 |
|
|
int[][] indices = shape.getVertIndices();
|
118 |
|
|
int numVert = vertices.length;
|
119 |
|
|
int numFaces = faceAxis.length;
|
120 |
|
|
int numIndices = indices.length;
|
121 |
|
|
int[] cubitFaceColor = new int[numIndices];
|
122 |
|
|
for(int face=0; face<numIndices; face++) cubitFaceColor[face] = 0xffffffff;
|
123 |
|
|
|
124 |
|
|
for(int vert=0; vert<numVert; vert++)
|
125 |
|
|
{
|
126 |
|
|
computeVertex(mTmp1,vertices[vert],move,quat);
|
127 |
|
|
int vertBelongsBitmap = 0x00000000;
|
128 |
|
|
|
129 |
|
|
for(int face=0; face<numFaces; face++)
|
130 |
|
|
if( vertInFace(mTmp1,faceAxis[face],dist3D[face]*size) ) vertBelongsBitmap |= (1<<face);
|
131 |
|
|
|
132 |
|
|
for(int index=0; index<numIndices; index++)
|
133 |
|
|
if( cubitFaceColor[index]!=0 && indexContains(indices[index],vert) ) cubitFaceColor[index] &= vertBelongsBitmap;
|
134 |
|
|
}
|
135 |
|
|
|
136 |
|
|
return cubitFaceColor;
|
137 |
|
|
}
|
138 |
|
|
|
139 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
140 |
|
|
|
141 |
|
|
private static void translateFromBitmap(int cubit, int[] colorsBitmap)
|
142 |
|
|
{
|
143 |
|
|
int len = colorsBitmap.length;
|
144 |
|
|
|
145 |
|
|
for(int face=0; face<len; face++)
|
146 |
|
|
{
|
147 |
|
|
if( colorsBitmap[face]==0 ) colorsBitmap[face] = -1;
|
148 |
|
|
else
|
149 |
|
|
{
|
150 |
|
|
int shift=0;
|
151 |
|
|
|
152 |
|
|
while( (colorsBitmap[face]&0x1) != 1 )
|
153 |
|
|
{
|
154 |
|
|
colorsBitmap[face]>>=1;
|
155 |
|
|
shift++;
|
156 |
|
|
}
|
157 |
|
|
|
158 |
|
|
if( colorsBitmap[face]!=1 )
|
159 |
|
|
{
|
160 |
|
|
android.util.Log.e("D", "ERROR, cubit= "+cubit+" face "+face+" seems to belong to "+shift+" and still "+colorsBitmap[face]);
|
161 |
|
|
}
|
162 |
|
|
|
163 |
|
|
colorsBitmap[face] = shift;
|
164 |
|
|
}
|
165 |
|
|
}
|
166 |
5931ae4d
|
Leszek Koltunski
|
}
|
167 |
|
|
|
168 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
169 |
|
|
|
170 |
9b1fe915
|
Leszek Koltunski
|
public static int[][] computeColors(ObjectShape[] shapes, float[][] moves, Static4D[] quats, TwistyObject object)
|
171 |
5931ae4d
|
Leszek Koltunski
|
{
|
172 |
9b1fe915
|
Leszek Koltunski
|
int numCubits = moves.length;
|
173 |
5931ae4d
|
Leszek Koltunski
|
int[][] colors = new int[numCubits][];
|
174 |
|
|
int[] numLayers = object.getNumLayers();
|
175 |
9b1fe915
|
Leszek Koltunski
|
Static3D[] faceAxis = object.getFaceAxis();
|
176 |
|
|
float[] dist3D = object.getDist3D(numLayers);
|
177 |
|
|
float size = object.getSize();
|
178 |
5931ae4d
|
Leszek Koltunski
|
|
179 |
|
|
for(int cubit=0; cubit<numCubits; cubit++)
|
180 |
|
|
{
|
181 |
|
|
int variant = object.getCubitVariant(cubit,numLayers);
|
182 |
9b1fe915
|
Leszek Koltunski
|
colors[cubit] = computeCubitFaceColors(shapes[variant],moves[cubit],quats[cubit],faceAxis,dist3D,size);
|
183 |
|
|
translateFromBitmap(cubit,colors[cubit]);
|
184 |
5931ae4d
|
Leszek Koltunski
|
}
|
185 |
|
|
|
186 |
|
|
return colors;
|
187 |
|
|
}
|
188 |
29b82486
|
Leszek Koltunski
|
}
|