OctahedralGroup.java

com.mojang.math.OctahedralGroup

信息

全限定名：com.mojang.math.OctahedralGroup
类型：public enum
包：com.mojang.math
源码路径：src/main/java/com/mojang/math/OctahedralGroup.java
起始行号：L15
实现：StringRepresentable
职责：

TODO

字段/常量

false, false, true, true, false, true, true, true, false, false, true, false, true, true, true, false, true, false, true, false, false, true, false, false, true, false, false, true, true, false, true, true, false, false, false, true, false, false, false, false, true, true, true, false, false, true, true, true
- 类型: IDENTITY(,SymmetricGroup3.P123,false,false,
- 修饰符: package-private
- 源码定位: L16
- 说明:
  
  TODO
BLOCK_ROT_X_270
- 类型: OctahedralGroup
- 修饰符: public static final
- 源码定位: L65
- 说明:
  
  TODO
BLOCK_ROT_X_180
- 类型: OctahedralGroup
- 修饰符: public static final
- 源码定位: L66
- 说明:
  
  TODO
BLOCK_ROT_X_90
- 类型: OctahedralGroup
- 修饰符: public static final
- 源码定位: L67
- 说明:
  
  TODO
BLOCK_ROT_Y_270
- 类型: OctahedralGroup
- 修饰符: public static final
- 源码定位: L68
- 说明:
  
  TODO
BLOCK_ROT_Y_180
- 类型: OctahedralGroup
- 修饰符: public static final
- 源码定位: L69
- 说明:
  
  TODO
BLOCK_ROT_Y_90
- 类型: OctahedralGroup
- 修饰符: public static final
- 源码定位: L70
- 说明:
  
  TODO
BLOCK_ROT_Z_270
- 类型: OctahedralGroup
- 修饰符: public static final
- 源码定位: L71
- 说明:
  
  TODO
BLOCK_ROT_Z_180
- 类型: OctahedralGroup
- 修饰符: public static final
- 源码定位: L72
- 说明:
  
  TODO
BLOCK_ROT_Z_90
- 类型: OctahedralGroup
- 修饰符: public static final
- 源码定位: L73
- 说明:
  
  TODO
transformation
- 类型: Matrix3fc
- 修饰符: private final
- 源码定位: L74
- 说明:
  
  TODO
name
- 类型: String
- 修饰符: private final
- 源码定位: L75
- 说明:
  
  TODO
rotatedDirections
- 类型: Map<Direction,Direction>
- 修饰符: private
- 源码定位: L76
- 说明:
  
  TODO
invertX
- 类型: boolean
- 修饰符: private final
- 源码定位: L77
- 说明:
  
  TODO
invertY
- 类型: boolean
- 修饰符: private final
- 源码定位: L78
- 说明:
  
  TODO
invertZ
- 类型: boolean
- 修饰符: private final
- 源码定位: L79
- 说明:
  
  TODO
permutation
- 类型: SymmetricGroup3
- 修饰符: private final
- 源码定位: L80
- 说明:
  
  TODO
CAYLEY_TABLE
- 类型: OctahedralGroup[][]
- 修饰符: private static final
- 源码定位: L81
- 说明:
  
  TODO
INVERSE_TABLE
- 类型: OctahedralGroup[]
- 修饰符: private static final
- 源码定位: L98
- 说明:
  
  TODO

内部类/嵌套类型

构造器

`private OctahedralGroup(String name, SymmetricGroup3 permutation, boolean invertX, boolean invertY, boolean invertZ)` @ `L102`

构造器名：OctahedralGroup
源码定位：L102
修饰符：private

参数:

name: String
permutation: SymmetricGroup3
invertX: boolean
invertY: boolean
invertZ: boolean

说明:

方法

`private static int trace(boolean invertX, boolean invertY, boolean invertZ, SymmetricGroup3 permutation)` @ `L111`

方法名：trace
源码定位：L111
返回类型：int
修饰符：private static

参数:

invertX: boolean
invertY: boolean
invertZ: boolean
permutation: SymmetricGroup3

说明:

`private int trace()` @ `L116`

方法名：trace
源码定位：L116
返回类型：int
修饰符：private

参数:

说明:

`public OctahedralGroup compose(OctahedralGroup that)` @ `L120`

方法名：compose
源码定位：L120
返回类型：OctahedralGroup
修饰符：public

参数:

that: OctahedralGroup

说明:

`public OctahedralGroup inverse()` @ `L124`

方法名：inverse
源码定位：L124
返回类型：OctahedralGroup
修饰符：public

参数:

说明:

`public Matrix3fc transformation()` @ `L128`

方法名：transformation
源码定位：L128
返回类型：Matrix3fc
修饰符：public

参数:

说明:

`public String toString()` @ `L132`

方法名：toString
源码定位：L132
返回类型：String
修饰符：public

参数:

说明:

`public String getSerializedName()` @ `L137`

方法名：getSerializedName
源码定位：L137
返回类型：String
修饰符：public

参数:

说明:

`public Direction rotate(Direction direction)` @ `L142`

方法名：rotate
源码定位：L142
返回类型：Direction
修饰符：public

参数:

direction: Direction

说明:

`public Vector3i rotate(Vector3i v)` @ `L156`

方法名：rotate
源码定位：L156
返回类型：Vector3i
修饰符：public

参数:

v: Vector3i

说明:

`public boolean inverts(Direction.Axis axis)` @ `L164`

方法名：inverts
源码定位：L164
返回类型：boolean
修饰符：public

参数:

axis: Direction.Axis

说明:

`public SymmetricGroup3 permutation()` @ `L172`

方法名：permutation
源码定位：L172
返回类型：SymmetricGroup3
修饰符：public

参数:

说明:

`public FrontAndTop rotate(FrontAndTop input)` @ `L176`

方法名：rotate
源码定位：L176
返回类型：FrontAndTop
修饰符：public

参数:

input: FrontAndTop

说明:

代码

public enum OctahedralGroup implements StringRepresentable {
    IDENTITY("identity", SymmetricGroup3.P123, false, false, false),
    ROT_180_FACE_XY("rot_180_face_xy", SymmetricGroup3.P123, true, true, false),
    ROT_180_FACE_XZ("rot_180_face_xz", SymmetricGroup3.P123, true, false, true),
    ROT_180_FACE_YZ("rot_180_face_yz", SymmetricGroup3.P123, false, true, true),
    ROT_120_NNN("rot_120_nnn", SymmetricGroup3.P231, false, false, false),
    ROT_120_NNP("rot_120_nnp", SymmetricGroup3.P312, true, false, true),
    ROT_120_NPN("rot_120_npn", SymmetricGroup3.P312, false, true, true),
    ROT_120_NPP("rot_120_npp", SymmetricGroup3.P231, true, false, true),
    ROT_120_PNN("rot_120_pnn", SymmetricGroup3.P312, true, true, false),
    ROT_120_PNP("rot_120_pnp", SymmetricGroup3.P231, true, true, false),
    ROT_120_PPN("rot_120_ppn", SymmetricGroup3.P231, false, true, true),
    ROT_120_PPP("rot_120_ppp", SymmetricGroup3.P312, false, false, false),
    ROT_180_EDGE_XY_NEG("rot_180_edge_xy_neg", SymmetricGroup3.P213, true, true, true),
    ROT_180_EDGE_XY_POS("rot_180_edge_xy_pos", SymmetricGroup3.P213, false, false, true),
    ROT_180_EDGE_XZ_NEG("rot_180_edge_xz_neg", SymmetricGroup3.P321, true, true, true),
    ROT_180_EDGE_XZ_POS("rot_180_edge_xz_pos", SymmetricGroup3.P321, false, true, false),
    ROT_180_EDGE_YZ_NEG("rot_180_edge_yz_neg", SymmetricGroup3.P132, true, true, true),
    ROT_180_EDGE_YZ_POS("rot_180_edge_yz_pos", SymmetricGroup3.P132, true, false, false),
    ROT_90_X_NEG("rot_90_x_neg", SymmetricGroup3.P132, false, false, true),
    ROT_90_X_POS("rot_90_x_pos", SymmetricGroup3.P132, false, true, false),
    ROT_90_Y_NEG("rot_90_y_neg", SymmetricGroup3.P321, true, false, false),
    ROT_90_Y_POS("rot_90_y_pos", SymmetricGroup3.P321, false, false, true),
    ROT_90_Z_NEG("rot_90_z_neg", SymmetricGroup3.P213, false, true, false),
    ROT_90_Z_POS("rot_90_z_pos", SymmetricGroup3.P213, true, false, false),
    INVERSION("inversion", SymmetricGroup3.P123, true, true, true),
    INVERT_X("invert_x", SymmetricGroup3.P123, true, false, false),
    INVERT_Y("invert_y", SymmetricGroup3.P123, false, true, false),
    INVERT_Z("invert_z", SymmetricGroup3.P123, false, false, true),
    ROT_60_REF_NNN("rot_60_ref_nnn", SymmetricGroup3.P312, true, true, true),
    ROT_60_REF_NNP("rot_60_ref_nnp", SymmetricGroup3.P231, true, false, false),
    ROT_60_REF_NPN("rot_60_ref_npn", SymmetricGroup3.P231, false, false, true),
    ROT_60_REF_NPP("rot_60_ref_npp", SymmetricGroup3.P312, false, false, true),
    ROT_60_REF_PNN("rot_60_ref_pnn", SymmetricGroup3.P231, false, true, false),
    ROT_60_REF_PNP("rot_60_ref_pnp", SymmetricGroup3.P312, true, false, false),
    ROT_60_REF_PPN("rot_60_ref_ppn", SymmetricGroup3.P312, false, true, false),
    ROT_60_REF_PPP("rot_60_ref_ppp", SymmetricGroup3.P231, true, true, true),
    SWAP_XY("swap_xy", SymmetricGroup3.P213, false, false, false),
    SWAP_YZ("swap_yz", SymmetricGroup3.P132, false, false, false),
    SWAP_XZ("swap_xz", SymmetricGroup3.P321, false, false, false),
    SWAP_NEG_XY("swap_neg_xy", SymmetricGroup3.P213, true, true, false),
    SWAP_NEG_YZ("swap_neg_yz", SymmetricGroup3.P132, false, true, true),
    SWAP_NEG_XZ("swap_neg_xz", SymmetricGroup3.P321, true, false, true),
    ROT_90_REF_X_NEG("rot_90_ref_x_neg", SymmetricGroup3.P132, true, false, true),
    ROT_90_REF_X_POS("rot_90_ref_x_pos", SymmetricGroup3.P132, true, true, false),
    ROT_90_REF_Y_NEG("rot_90_ref_y_neg", SymmetricGroup3.P321, true, true, false),
    ROT_90_REF_Y_POS("rot_90_ref_y_pos", SymmetricGroup3.P321, false, true, true),
    ROT_90_REF_Z_NEG("rot_90_ref_z_neg", SymmetricGroup3.P213, false, true, true),
    ROT_90_REF_Z_POS("rot_90_ref_z_pos", SymmetricGroup3.P213, true, false, true);
 
    public static final OctahedralGroup BLOCK_ROT_X_270 = ROT_90_X_POS;
    public static final OctahedralGroup BLOCK_ROT_X_180 = ROT_180_FACE_YZ;
    public static final OctahedralGroup BLOCK_ROT_X_90 = ROT_90_X_NEG;
    public static final OctahedralGroup BLOCK_ROT_Y_270 = ROT_90_Y_POS;
    public static final OctahedralGroup BLOCK_ROT_Y_180 = ROT_180_FACE_XZ;
    public static final OctahedralGroup BLOCK_ROT_Y_90 = ROT_90_Y_NEG;
    public static final OctahedralGroup BLOCK_ROT_Z_270 = ROT_90_Z_POS;
    public static final OctahedralGroup BLOCK_ROT_Z_180 = ROT_180_FACE_XY;
    public static final OctahedralGroup BLOCK_ROT_Z_90 = ROT_90_Z_NEG;
    private final Matrix3fc transformation;
    private final String name;
    private @Nullable Map<Direction, Direction> rotatedDirections;
    private final boolean invertX;
    private final boolean invertY;
    private final boolean invertZ;
    private final SymmetricGroup3 permutation;
    private static final OctahedralGroup[][] CAYLEY_TABLE = Util.make(() -> {
        OctahedralGroup[] values = values();
        OctahedralGroup[][] table = new OctahedralGroup[values.length][values.length];
        Map<Integer, OctahedralGroup> fingerprints = Arrays.stream(values).collect(Collectors.toMap(OctahedralGroup::trace, o -> (OctahedralGroup)o));
 
        for (OctahedralGroup first : values) {
            for (OctahedralGroup second : values) {
                SymmetricGroup3 composedPermutation = second.permutation.compose(first.permutation);
                boolean composedInvertX = first.inverts(Direction.Axis.X) ^ second.inverts(first.permutation.permuteAxis(Direction.Axis.X));
                boolean composedInvertY = first.inverts(Direction.Axis.Y) ^ second.inverts(first.permutation.permuteAxis(Direction.Axis.Y));
                boolean composedInvertZ = first.inverts(Direction.Axis.Z) ^ second.inverts(first.permutation.permuteAxis(Direction.Axis.Z));
                table[first.ordinal()][second.ordinal()] = fingerprints.get(trace(composedInvertX, composedInvertY, composedInvertZ, composedPermutation));
            }
        }
 
        return table;
    });
    private static final OctahedralGroup[] INVERSE_TABLE = Arrays.stream(values())
        .map(f -> Arrays.stream(values()).filter(s -> f.compose(s) == IDENTITY).findAny().get())
        .toArray(OctahedralGroup[]::new);
 
    private OctahedralGroup(String name, SymmetricGroup3 permutation, boolean invertX, boolean invertY, boolean invertZ) {
        this.name = name;
        this.invertX = invertX;
        this.invertY = invertY;
        this.invertZ = invertZ;
        this.permutation = permutation;
        this.transformation = new Matrix3f().scaling(invertX ? -1.0F : 1.0F, invertY ? -1.0F : 1.0F, invertZ ? -1.0F : 1.0F).mul(permutation.transformation());
    }
 
    private static int trace(boolean invertX, boolean invertY, boolean invertZ, SymmetricGroup3 permutation) {
        int inversionIndex = (invertZ ? 4 : 0) + (invertY ? 2 : 0) + (invertX ? 1 : 0);
        return permutation.ordinal() << 3 | inversionIndex;
    }
 
    private int trace() {
        return trace(this.invertX, this.invertY, this.invertZ, this.permutation);
    }
 
    public OctahedralGroup compose(OctahedralGroup that) {
        return CAYLEY_TABLE[this.ordinal()][that.ordinal()];
    }
 
    public OctahedralGroup inverse() {
        return INVERSE_TABLE[this.ordinal()];
    }
 
    public Matrix3fc transformation() {
        return this.transformation;
    }
 
    @Override
    public String toString() {
        return this.name;
    }
 
    @Override
    public String getSerializedName() {
        return this.name;
    }
 
    public Direction rotate(Direction direction) {
        if (this.rotatedDirections == null) {
            this.rotatedDirections = Util.makeEnumMap(Direction.class, facing -> {
                Direction.Axis oldAxis = facing.getAxis();
                Direction.AxisDirection oldDirection = facing.getAxisDirection();
                Direction.Axis newAxis = this.permutation.inverse().permuteAxis(oldAxis);
                Direction.AxisDirection newDirection = this.inverts(newAxis) ? oldDirection.opposite() : oldDirection;
                return Direction.fromAxisAndDirection(newAxis, newDirection);
            });
        }
 
        return this.rotatedDirections.get(direction);
    }
 
    public Vector3i rotate(Vector3i v) {
        this.permutation.permuteVector(v);
        v.x = v.x * (this.invertX ? -1 : 1);
        v.y = v.y * (this.invertY ? -1 : 1);
        v.z = v.z * (this.invertZ ? -1 : 1);
        return v;
    }
 
    public boolean inverts(Direction.Axis axis) {
        return switch (axis) {
            case X -> this.invertX;
            case Y -> this.invertY;
            case Z -> this.invertZ;
        };
    }
 
    public SymmetricGroup3 permutation() {
        return this.permutation;
    }
 
    public FrontAndTop rotate(FrontAndTop input) {
        return FrontAndTop.fromFrontAndTop(this.rotate(input.front()), this.rotate(input.top()));
    }
}

引用的其他类

Axis
- 引用位置: 参数
SymmetricGroup3
- 引用位置: 参数/字段/返回值
Direction
- 引用位置: 参数/字段/方法调用/返回值
- 关联成员: Direction.fromAxisAndDirection()
FrontAndTop
- 引用位置: 参数/方法调用/返回值
- 关联成员: FrontAndTop.fromFrontAndTop()
StringRepresentable
- 引用位置: 实现
Util
- 引用位置: 方法调用
- 关联成员: Util.make(), Util.makeEnumMap()

Quartz 4

Explorer

OctahedralGroup.java

OctahedralGroup.java

com.mojang.math.OctahedralGroup

信息

字段/常量

内部类/嵌套类型

构造器

`private OctahedralGroup(String name, SymmetricGroup3 permutation, boolean invertX, boolean invertY, boolean invertZ)` @ `L102`

方法

`private static int trace(boolean invertX, boolean invertY, boolean invertZ, SymmetricGroup3 permutation)` @ `L111`

`private int trace()` @ `L116`

`public OctahedralGroup compose(OctahedralGroup that)` @ `L120`

`public OctahedralGroup inverse()` @ `L124`

`public Matrix3fc transformation()` @ `L128`

`public String toString()` @ `L132`

`public String getSerializedName()` @ `L137`

`public Direction rotate(Direction direction)` @ `L142`

`public Vector3i rotate(Vector3i v)` @ `L156`

`public boolean inverts(Direction.Axis axis)` @ `L164`

`public SymmetricGroup3 permutation()` @ `L172`

`public FrontAndTop rotate(FrontAndTop input)` @ `L176`

代码

引用的其他类

Graph View

Table of Contents

Backlinks

Quartz 4

Explorer

OctahedralGroup.java

OctahedralGroup.java

com.mojang.math.OctahedralGroup

信息

字段/常量

内部类/嵌套类型

构造器

private OctahedralGroup(String name, SymmetricGroup3 permutation, boolean invertX, boolean invertY, boolean invertZ) @ L102

方法

private static int trace(boolean invertX, boolean invertY, boolean invertZ, SymmetricGroup3 permutation) @ L111

private int trace() @ L116

public OctahedralGroup compose(OctahedralGroup that) @ L120

public OctahedralGroup inverse() @ L124

public Matrix3fc transformation() @ L128

public String toString() @ L132

public String getSerializedName() @ L137

public Direction rotate(Direction direction) @ L142

public Vector3i rotate(Vector3i v) @ L156

public boolean inverts(Direction.Axis axis) @ L164

public SymmetricGroup3 permutation() @ L172

public FrontAndTop rotate(FrontAndTop input) @ L176

代码

引用的其他类

Graph View

Table of Contents

Backlinks

`private OctahedralGroup(String name, SymmetricGroup3 permutation, boolean invertX, boolean invertY, boolean invertZ)` @ `L102`

`private static int trace(boolean invertX, boolean invertY, boolean invertZ, SymmetricGroup3 permutation)` @ `L111`

`private int trace()` @ `L116`

`public OctahedralGroup compose(OctahedralGroup that)` @ `L120`

`public OctahedralGroup inverse()` @ `L124`

`public Matrix3fc transformation()` @ `L128`

`public String toString()` @ `L132`

`public String getSerializedName()` @ `L137`

`public Direction rotate(Direction direction)` @ `L142`

`public Vector3i rotate(Vector3i v)` @ `L156`

`public boolean inverts(Direction.Axis axis)` @ `L164`

`public SymmetricGroup3 permutation()` @ `L172`

`public FrontAndTop rotate(FrontAndTop input)` @ `L176`