1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
|
// Copyright (c) 2019-2021 Jean-Philippe Bruyère <jp_bruyere@hotmail.com>
//
// This code is licensed under the MIT license (MIT) (http://opensource.org/licenses/MIT)
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Numerics;
using vke;
namespace vkChess {
public class ChessMoves : List<String> {
public void AddMove(string move) {
if (!string.IsNullOrEmpty(move))
base.Add(move);
}
public void AddMove(string[] moves) {
if (moves == null)
return;
if (moves.Length > 0)
base.AddRange(moves);
}
}
[DebuggerDisplay("{DebuggerDisplay}")]
public class Piece {
public static Vector4 blackColor = new Vector4(0.03f, 0.03f, 0.03f, 1f);
public static Vector4 whiteColor = new Vector4(1.0f, 1.0f, 1.0f, 1f);
public static HostBuffer<VkChess.InstanceData> instanceBuff;
public static VkChess.InstanceData[] boardDatas;
public static uint flushStart, flushEnd;
static uint nextInstanceIdx;
float xAngle, zAngle;
Vector3 position, capturePos;
public PieceType Type;
public readonly ChessColor Player;
public uint instanceIdx;
public bool IsPromoted;
public bool HasMoved;
public bool Captured {
get => BoardCell < 0;
set {
if (value)
BoardCell = -1;
else
BoardCell = 0;
}
}
public void SetCaptured (Vector3 capturePos) {
Captured = true;
HasMoved = true;
this.capturePos = capturePos;
}
public int initX, initY;
VkChess.InstanceData instData;
public Piece (ChessColor player, PieceType type, int col, int line, Vector3 color) {
this.instanceIdx = nextInstanceIdx++;
this.Type = type;
this.Player = player;
initX = col;
initY = line;
position.X = initX;
position.Y = initY;
BoardCell = new Crow.Point (col, line);
instData = new VkChess.InstanceData(new Vector4 (color, 1), Matrix4x4.Identity);
if (player == ChessColor.Black && type == PieceType.Knight)
zAngle = MathHelper.Pi;
updatePos ();
}
public Crow.Point BoardCell;
public Vector3 Position {
get => position;
set {
if (value == position)
return;
position = value;
updatePos();
}
}
public float X {
get => position.X;
set {
if (position.X == value)
return;
position.X = value;
updatePos();
}
}
public float Y {
get => position.Y;
set {
if (position.Y == value)
return;
position.Y = value;
updatePos();
}
}
public float Z {
get => position.Z;
set {
if (position.Z == value)
return;
position.Z = value;
updatePos();
}
}
public float XAngle {
get => xAngle;
set {
if (xAngle == value)
return;
xAngle = value;
updatePos();
}
}
public float ZAngle {
get => zAngle;
set {
if (zAngle == value)
return;
zAngle = value;
updatePos();
}
}
static Vector3 centerDiff = new Vector3(3.5f, 0, 3.5f);
public void updatePos() {
Quaternion q = Quaternion.CreateFromYawPitchRoll (zAngle, 0f, xAngle);
Vector3 pos = (new Vector3 (position.X, position.Z, 7f-position.Y) - centerDiff) * 2;
instData.mat = Matrix4x4.CreateFromQuaternion(q) * Matrix4x4.CreateTranslation(pos);
UpdateBuff (instanceIdx, ref instData);
}
public static void UpdateBuff (uint instIdx, ref VkChess.InstanceData data) {
if (instanceBuff == null)
return;
instanceBuff.Update (instIdx, data);
if (flushEnd == 0) {
flushStart = instIdx;
flushEnd = instIdx + 1;
} else if (instIdx < flushStart)
flushStart = instIdx;
else if (flushEnd <= instIdx)
flushEnd = instIdx + 1;
}
public void SetColor (Vector3 newColor) {
instData.color = new Vector4 (newColor, 1);
UpdateBuff (instanceIdx, ref instData);
}
public static void UpdateCase (int x, int y, Vector4 colorDiff) {
int index = y * 8 + x;
boardDatas[index].color += colorDiff;
UpdateBuff ((uint)index+32, ref boardDatas[index]);
}
public static void FlushHostBuffer () {
if (flushEnd == 0)
return;
instanceBuff.Flush(flushStart, flushEnd);
flushEnd = flushStart = 0;
}
public void Reset(bool animate = true) {
xAngle = 0f;
if (HasMoved) {
if (animate)
Animation.StartAnimation(new PathAnimation(this, "Position",
new BezierPath(
Position,
new Vector3(initX, initY, 0f), Vector3.UnitZ)));
}
if (IsPromoted)
Unpromote();
IsPromoted = false;
HasMoved = false;
BoardCell = new Crow.Point (initX, initY);
}
public void MoveTo (Crow.Point newPos, bool animate = false) {
BoardCell = newPos;
if (animate) {
if (Captured)
Animation.StartAnimation (new PathAnimation (this, "Position",
new BezierPath (
Position,
capturePos, Vector3.UnitZ), VkChess.animationSteps),
0);
else if (BoardCell.X != Position.X || BoardCell.Y != Position.Y)
Animation.StartAnimation (new PathAnimation (this, "Position",
new BezierPath (
Position,
new Vector3 (newPos.X, newPos.Y, 0f), Vector3.UnitZ), VkChess.animationSteps),
0);
}
}
public void Promote(char prom, bool preview = false) {
if (IsPromoted)
throw new Exception("trying to promote already promoted " + Type.ToString());
if (Type != PieceType.Pawn)
throw new Exception("trying to promote " + Type.ToString());
IsPromoted = true;
switch (prom) {
case 'q':
Type = PieceType.Queen;
break;
case 'r':
Type = PieceType.Rook;
break;
case 'b':
Type = PieceType.Bishop;
break;
case 'k':
Type = PieceType.Knight;
break;
case 'n':
IsPromoted = false;
return;
default:
throw new Exception("Unrecognized promotion");
}
VkChess.updateInstanceCmds = true;
}
public void Unpromote() {
IsPromoted = false;
Type = PieceType.Pawn;
VkChess.updateInstanceCmds = true;
}
string DebuggerDisplay => string.Format($"{Type}:{BoardCell.ToString()}");
}
}
|
