corrade-vassal – Blame information for rev 1
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1 | vero | 1 | /* |
2 | * Copyright (c) 2006-2014, openmetaverse.org |
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3 | * All rights reserved. |
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4 | * |
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5 | * - Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions are met: |
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7 | * |
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8 | * - Redistributions of source code must retain the above copyright notice, this |
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9 | * list of conditions and the following disclaimer. |
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10 | * - Neither the name of the openmetaverse.org nor the names |
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11 | * of its contributors may be used to endorse or promote products derived from |
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12 | * this software without specific prior written permission. |
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13 | * |
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14 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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15 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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16 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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17 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
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18 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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19 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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20 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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21 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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22 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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23 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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24 | * POSSIBILITY OF SUCH DAMAGE. |
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25 | */ |
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26 | using System; |
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27 | |||
28 | namespace OpenMetaverse |
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29 | { |
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30 | /// <summary> |
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31 | /// Reads in a byte array of an Animation Asset created by the SecondLife(tm) client. |
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32 | /// </summary> |
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33 | public class BinBVHAnimationReader |
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34 | { |
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35 | /// <summary> |
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36 | /// Rotation Keyframe count (used internally) |
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37 | /// </summary> |
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38 | private int rotationkeys; |
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39 | |||
40 | /// <summary> |
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41 | /// Position Keyframe count (used internally) |
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42 | /// </summary> |
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43 | private int positionkeys; |
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44 | |||
45 | public UInt16 unknown0; // Always 1 |
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46 | public UInt16 unknown1; // Always 0 |
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47 | |||
48 | /// <summary> |
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49 | /// Animation Priority |
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50 | /// </summary> |
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51 | public int Priority; |
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52 | |||
53 | /// <summary> |
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54 | /// The animation length in seconds. |
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55 | /// </summary> |
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56 | public Single Length; |
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57 | |||
58 | /// <summary> |
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59 | /// Expression set in the client. Null if [None] is selected |
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60 | /// </summary> |
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61 | public string ExpressionName; // "" (null) |
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62 | |||
63 | /// <summary> |
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64 | /// The time in seconds to start the animation |
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65 | /// </summary> |
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66 | public Single InPoint; |
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67 | |||
68 | /// <summary> |
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69 | /// The time in seconds to end the animation |
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70 | /// </summary> |
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71 | public Single OutPoint; |
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72 | |||
73 | /// <summary> |
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74 | /// Loop the animation |
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75 | /// </summary> |
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76 | public bool Loop; |
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77 | |||
78 | /// <summary> |
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79 | /// Meta data. Ease in Seconds. |
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80 | /// </summary> |
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81 | public Single EaseInTime; |
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82 | |||
83 | /// <summary> |
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84 | /// Meta data. Ease out seconds. |
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85 | /// </summary> |
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86 | public Single EaseOutTime; |
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87 | |||
88 | /// <summary> |
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89 | /// Meta Data for the Hand Pose |
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90 | /// </summary> |
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91 | public uint HandPose; |
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92 | |||
93 | /// <summary> |
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94 | /// Number of joints defined in the animation |
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95 | /// </summary> |
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96 | public uint JointCount; |
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97 | |||
98 | |||
99 | /// <summary> |
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100 | /// Contains an array of joints |
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101 | /// </summary> |
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102 | public binBVHJoint[] joints; |
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103 | |||
104 | /// <summary> |
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105 | /// Searialize an animation asset into it's joints/keyframes/meta data |
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106 | /// </summary> |
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107 | /// <param name="animationdata"></param> |
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108 | public BinBVHAnimationReader(byte[] animationdata) |
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109 | { |
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110 | int i = 0; |
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111 | if (!BitConverter.IsLittleEndian) |
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112 | { |
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113 | unknown0 = Utils.BytesToUInt16(EndianSwap(animationdata, i, 2)); i += 2; // Always 1 |
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114 | unknown1 = Utils.BytesToUInt16(EndianSwap(animationdata, i, 2)); i += 2; // Always 0 |
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115 | Priority = Utils.BytesToInt(EndianSwap(animationdata, i, 4)); i += 4; |
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116 | Length = Utils.BytesToFloat(EndianSwap(animationdata, i, 4), 0); i += 4; |
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117 | } |
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118 | else |
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119 | { |
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120 | unknown0 = Utils.BytesToUInt16(animationdata, i); i += 2; // Always 1 |
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121 | unknown1 = Utils.BytesToUInt16(animationdata, i); i += 2; // Always 0 |
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122 | Priority = Utils.BytesToInt(animationdata, i); i += 4; |
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123 | Length = Utils.BytesToFloat(animationdata, i); i += 4; |
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124 | } |
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125 | ExpressionName = ReadBytesUntilNull(animationdata, ref i); |
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126 | if (!BitConverter.IsLittleEndian) |
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127 | { |
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128 | InPoint = Utils.BytesToFloat(EndianSwap(animationdata, i, 4), 0); i += 4; |
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129 | OutPoint = Utils.BytesToFloat(EndianSwap(animationdata, i, 4), 0); i += 4; |
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130 | Loop = (Utils.BytesToInt(EndianSwap(animationdata, i, 4)) != 0); i += 4; |
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131 | EaseInTime = Utils.BytesToFloat(EndianSwap(animationdata, i, 4), 0); i += 4; |
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132 | EaseOutTime = Utils.BytesToFloat(EndianSwap(animationdata, i, 4), 0); i += 4; |
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133 | HandPose = Utils.BytesToUInt(EndianSwap(animationdata, i, 4)); i += 4; // Handpose? |
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134 | |||
135 | JointCount = Utils.BytesToUInt(animationdata, i); i += 4; // Get Joint count |
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136 | } |
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137 | else |
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138 | { |
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139 | InPoint = Utils.BytesToFloat(animationdata, i); i += 4; |
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140 | OutPoint = Utils.BytesToFloat(animationdata, i); i += 4; |
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141 | Loop = (Utils.BytesToInt(animationdata, i) != 0); i += 4; |
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142 | EaseInTime = Utils.BytesToFloat(animationdata, i); i += 4; |
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143 | EaseOutTime = Utils.BytesToFloat(animationdata, i); i += 4; |
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144 | HandPose = Utils.BytesToUInt(animationdata, i); i += 4; // Handpose? |
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145 | |||
146 | JointCount = Utils.BytesToUInt(animationdata, i); i += 4; // Get Joint count |
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147 | } |
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148 | joints = new binBVHJoint[JointCount]; |
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149 | |||
150 | // deserialize the number of joints in the animation. |
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151 | // Joints are variable length blocks of binary data consisting of joint data and keyframes |
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152 | for (int iter = 0; iter < JointCount; iter++) |
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153 | { |
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154 | binBVHJoint joint = readJoint(animationdata, ref i); |
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155 | joints[iter] = joint; |
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156 | } |
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157 | } |
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158 | |||
159 | private byte[] EndianSwap(byte[] arr, int offset, int len) |
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160 | { |
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161 | byte[] bendian = new byte[offset + len]; |
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162 | Buffer.BlockCopy(arr, offset, bendian, 0, len); |
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163 | Array.Reverse(bendian); |
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164 | return bendian; |
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165 | } |
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166 | /// <summary> |
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167 | /// Variable length strings seem to be null terminated in the animation asset.. but.. |
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168 | /// use with caution, home grown. |
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169 | /// advances the index. |
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170 | /// </summary> |
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171 | /// <param name="data">The animation asset byte array</param> |
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172 | /// <param name="i">The offset to start reading</param> |
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173 | /// <returns>a string</returns> |
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174 | public string ReadBytesUntilNull(byte[] data, ref int i) |
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175 | { |
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176 | char nterm = '\0'; // Null terminator |
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177 | int endpos = i; |
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178 | int startpos = i; |
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179 | |||
180 | // Find the null character |
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181 | for (int j = i; j < data.Length; j++) |
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182 | { |
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183 | char spot = Convert.ToChar(data[j]); |
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184 | if (spot == nterm) |
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185 | { |
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186 | endpos = j; |
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187 | break; |
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188 | } |
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189 | } |
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190 | |||
191 | // if we got to the end, then it's a zero length string |
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192 | if (i == endpos) |
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193 | { |
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194 | // advance the 1 null character |
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195 | i++; |
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196 | return string.Empty; |
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197 | } |
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198 | else |
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199 | { |
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200 | // We found the end of the string |
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201 | // append the bytes from the beginning of the string to the end of the string |
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202 | // advance i |
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203 | byte[] interm = new byte[endpos - i]; |
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204 | for (; i < endpos; i++) |
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205 | { |
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206 | interm[i - startpos] = data[i]; |
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207 | } |
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208 | i++; // advance past the null character |
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209 | |||
210 | return Utils.BytesToString(interm); |
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211 | } |
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212 | } |
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213 | |||
214 | /// <summary> |
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215 | /// Read in a Joint from an animation asset byte array |
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216 | /// Variable length Joint fields, yay! |
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217 | /// Advances the index |
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218 | /// </summary> |
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219 | /// <param name="data">animation asset byte array</param> |
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220 | /// <param name="i">Byte Offset of the start of the joint</param> |
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221 | /// <returns>The Joint data serialized into the binBVHJoint structure</returns> |
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222 | public binBVHJoint readJoint(byte[] data, ref int i) |
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223 | { |
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224 | |||
225 | binBVHJointKey[] positions; |
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226 | binBVHJointKey[] rotations; |
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227 | |||
228 | binBVHJoint pJoint = new binBVHJoint(); |
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229 | |||
230 | /* |
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231 | 109 |
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232 | 84 |
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233 | 111 |
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234 | 114 |
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235 | 114 |
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236 | 111 |
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237 | |||
238 | */ |
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239 | |||
240 | pJoint.Name = ReadBytesUntilNull(data, ref i); // Joint name |
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241 | |||
242 | /* |
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243 | 2 <- Priority Revisited |
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244 | |||
245 | |||
246 | |||
247 | */ |
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248 | |||
249 | /* |
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250 | 5 <-- 5 keyframes |
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251 | |||
252 | |||
253 | |||
254 | ... 5 Keyframe data blocks |
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255 | */ |
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256 | |||
257 | /* |
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258 | 2 <-- 2 keyframes |
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259 | |||
260 | |||
261 | |||
262 | .. 2 Keyframe data blocks |
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263 | */ |
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264 | if (!BitConverter.IsLittleEndian) |
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265 | { |
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266 | pJoint.Priority = Utils.BytesToInt(EndianSwap(data, i, 4)); i += 4; // Joint Priority override? |
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267 | rotationkeys = Utils.BytesToInt(EndianSwap(data, i, 4)); i += 4; // How many rotation keyframes |
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268 | } |
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269 | else |
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270 | { |
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271 | pJoint.Priority = Utils.BytesToInt(data, i); i += 4; // Joint Priority override? |
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272 | rotationkeys = Utils.BytesToInt(data, i); i += 4; // How many rotation keyframes |
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273 | } |
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274 | |||
275 | // Sanity check how many rotation keys there are |
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276 | if (rotationkeys < 0 || rotationkeys > 10000) |
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277 | { |
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278 | rotationkeys = 0; |
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279 | } |
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280 | |||
281 | rotations = readKeys(data, ref i, rotationkeys, -1.0f, 1.0f); |
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282 | |||
283 | if (!BitConverter.IsLittleEndian) |
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284 | { |
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285 | positionkeys = Utils.BytesToInt(EndianSwap(data, i, 4)); i += 4; // How many position keyframes |
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286 | } |
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287 | else |
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288 | { |
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289 | positionkeys = Utils.BytesToInt(data, i); i += 4; // How many position keyframes |
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290 | } |
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291 | |||
292 | // Sanity check how many positions keys there are |
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293 | if (positionkeys < 0 || positionkeys > 10000) |
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294 | { |
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295 | positionkeys = 0; |
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296 | } |
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297 | |||
298 | // Read in position keyframes |
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299 | positions = readKeys(data, ref i, positionkeys, -0.5f, 1.5f); |
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300 | |||
301 | pJoint.rotationkeys = rotations; |
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302 | pJoint.positionkeys = positions; |
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303 | |||
304 | return pJoint; |
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305 | } |
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306 | |||
307 | /// <summary> |
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308 | /// Read Keyframes of a certain type |
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309 | /// advance i |
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310 | /// </summary> |
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311 | /// <param name="data">Animation Byte array</param> |
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312 | /// <param name="i">Offset in the Byte Array. Will be advanced</param> |
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313 | /// <param name="keycount">Number of Keyframes</param> |
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314 | /// <param name="min">Scaling Min to pass to the Uint16ToFloat method</param> |
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315 | /// <param name="max">Scaling Max to pass to the Uint16ToFloat method</param> |
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316 | /// <returns></returns> |
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317 | public binBVHJointKey[] readKeys(byte[] data, ref int i, int keycount, float min, float max) |
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318 | { |
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319 | float x; |
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320 | float y; |
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321 | float z; |
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322 | |||
323 | /* |
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324 | 17 255 <-- Time Code |
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325 | 17 255 <-- Time Code |
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326 | 255 255 <-- X |
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327 | 127 127 <-- X |
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328 | 255 255 <-- Y |
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329 | 127 127 <-- Y |
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330 | 213 213 <-- Z |
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331 | 142 142 <---Z |
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332 | |||
333 | */ |
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334 | |||
335 | binBVHJointKey[] m_keys = new binBVHJointKey[keycount]; |
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336 | for (int j = 0; j < keycount; j++) |
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337 | { |
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338 | binBVHJointKey pJKey = new binBVHJointKey(); |
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339 | if (!BitConverter.IsLittleEndian) |
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340 | { |
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341 | pJKey.time = Utils.UInt16ToFloat(EndianSwap(data, i, 2), 0, InPoint, OutPoint); i += 2; |
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342 | x = Utils.UInt16ToFloat(EndianSwap(data, i, 2), 0, min, max); i += 2; |
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343 | y = Utils.UInt16ToFloat(EndianSwap(data, i, 2), 0, min, max); i += 2; |
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344 | z = Utils.UInt16ToFloat(EndianSwap(data, i, 2), 0, min, max); i += 2; |
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345 | } |
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346 | else |
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347 | { |
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348 | pJKey.time = Utils.UInt16ToFloat(data, i, InPoint, OutPoint); i += 2; |
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349 | x = Utils.UInt16ToFloat(data, i, min, max); i += 2; |
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350 | y = Utils.UInt16ToFloat(data, i, min, max); i += 2; |
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351 | z = Utils.UInt16ToFloat(data, i, min, max); i += 2; |
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352 | } |
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353 | pJKey.key_element = new Vector3(x, y, z); |
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354 | m_keys[j] = pJKey; |
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355 | } |
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356 | return m_keys; |
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357 | } |
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358 | |||
359 | public bool Equals(BinBVHAnimationReader other) |
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360 | { |
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361 | if (ReferenceEquals(null, other)) return false; |
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362 | if (ReferenceEquals(this, other)) return true; |
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363 | return other.Loop.Equals(Loop) && other.OutPoint == OutPoint && other.InPoint == InPoint && other.Length == Length && other.HandPose == HandPose && other.JointCount == JointCount && Equals(other.joints, joints) && other.EaseInTime == EaseInTime && other.EaseOutTime == EaseOutTime && other.Priority == Priority && other.unknown1 == unknown1 && other.unknown0 == unknown0 && other.positionkeys == positionkeys && other.rotationkeys == rotationkeys; |
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364 | } |
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365 | |||
366 | /// <summary> |
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367 | /// Determines whether the specified <see cref="T:System.Object"/> is equal to the current <see cref="T:System.Object"/>. |
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368 | /// </summary> |
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369 | /// <returns> |
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370 | /// true if the specified <see cref="T:System.Object"/> is equal to the current <see cref="T:System.Object"/>; otherwise, false. |
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371 | /// </returns> |
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372 | /// <param name="obj">The <see cref="T:System.Object"/> to compare with the current <see cref="T:System.Object"/>. |
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373 | /// </param><exception cref="T:System.NullReferenceException">The <paramref name="obj"/> parameter is null. |
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374 | /// </exception><filterpriority>2</filterpriority> |
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375 | public override bool Equals(object obj) |
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376 | { |
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377 | if (ReferenceEquals(null, obj)) return false; |
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378 | if (ReferenceEquals(this, obj)) return true; |
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379 | if (obj.GetType() != typeof(BinBVHAnimationReader)) return false; |
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380 | return Equals((BinBVHAnimationReader)obj); |
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381 | } |
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382 | |||
383 | /// <summary> |
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384 | /// Serves as a hash function for a particular type. |
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385 | /// </summary> |
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386 | /// <returns> |
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387 | /// A hash code for the current <see cref="T:System.Object"/>. |
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388 | /// </returns> |
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389 | /// <filterpriority>2</filterpriority> |
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390 | public override int GetHashCode() |
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391 | { |
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392 | unchecked |
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393 | { |
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394 | int result = Loop.GetHashCode(); |
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395 | result = (result * 397) ^ OutPoint.GetHashCode(); |
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396 | result = (result * 397) ^ InPoint.GetHashCode(); |
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397 | result = (result * 397) ^ Length.GetHashCode(); |
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398 | result = (result * 397) ^ HandPose.GetHashCode(); |
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399 | result = (result * 397) ^ JointCount.GetHashCode(); |
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400 | result = (result * 397) ^ (joints != null ? joints.GetHashCode() : 0); |
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401 | result = (result * 397) ^ EaseInTime.GetHashCode(); |
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402 | result = (result * 397) ^ EaseOutTime.GetHashCode(); |
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403 | result = (result * 397) ^ Priority; |
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404 | result = (result * 397) ^ unknown1.GetHashCode(); |
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405 | result = (result * 397) ^ unknown0.GetHashCode(); |
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406 | result = (result * 397) ^ positionkeys; |
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407 | result = (result * 397) ^ rotationkeys; |
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408 | return result; |
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409 | } |
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410 | } |
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411 | |||
412 | public static bool Equals(binBVHJoint[] arr1, binBVHJoint[] arr2) |
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413 | { |
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414 | if (arr1.Length == arr2.Length) |
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415 | { |
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416 | for (int i = 0; i < arr1.Length; i++) |
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417 | if (!arr1[i].Equals(arr2[i])) |
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418 | return false; |
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419 | /* not same*/ |
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420 | return true; |
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421 | } |
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422 | return false; |
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423 | } |
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424 | |||
425 | } |
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426 | |||
427 | |||
428 | /// <summary> |
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429 | /// A Joint and it's associated meta data and keyframes |
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430 | /// </summary> |
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431 | public struct binBVHJoint |
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432 | { |
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433 | public static bool Equals(binBVHJointKey[] arr1, binBVHJointKey[] arr2) |
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434 | { |
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435 | if (arr1.Length == arr2.Length) |
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436 | { |
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437 | for (int i = 0; i < arr1.Length; i++) |
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438 | if (!Equals(arr1[i], arr2[i])) |
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439 | return false; |
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440 | /* not same*/ |
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441 | return true; |
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442 | } |
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443 | return false; |
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444 | } |
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445 | public static bool Equals(binBVHJointKey arr1, binBVHJointKey arr2) |
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446 | { |
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447 | return (arr1.time == arr2.time && arr1.key_element == arr2.key_element); |
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448 | } |
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449 | |||
450 | public bool Equals(binBVHJoint other) |
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451 | { |
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452 | return other.Priority == Priority && Equals(other.rotationkeys, rotationkeys) && Equals(other.Name, Name) && Equals(other.positionkeys, positionkeys); |
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453 | } |
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454 | |||
455 | /// <summary> |
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456 | /// Indicates whether this instance and a specified object are equal. |
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457 | /// </summary> |
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458 | /// <returns> |
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459 | /// true if <paramref name="obj"/> and this instance are the same type and represent the same value; otherwise, false. |
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460 | /// </returns> |
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461 | /// <param name="obj">Another object to compare to. |
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462 | /// </param><filterpriority>2</filterpriority> |
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463 | public override bool Equals(object obj) |
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464 | { |
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465 | if (ReferenceEquals(null, obj)) return false; |
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466 | if (obj.GetType() != typeof(binBVHJoint)) return false; |
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467 | return Equals((binBVHJoint)obj); |
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468 | } |
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469 | |||
470 | /// <summary> |
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471 | /// Returns the hash code for this instance. |
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472 | /// </summary> |
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473 | /// <returns> |
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474 | /// A 32-bit signed integer that is the hash code for this instance. |
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475 | /// </returns> |
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476 | /// <filterpriority>2</filterpriority> |
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477 | public override int GetHashCode() |
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478 | { |
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479 | unchecked |
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480 | { |
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481 | int result = Priority; |
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482 | result = (result * 397) ^ (rotationkeys != null ? rotationkeys.GetHashCode() : 0); |
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483 | result = (result * 397) ^ (Name != null ? Name.GetHashCode() : 0); |
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484 | result = (result * 397) ^ (positionkeys != null ? positionkeys.GetHashCode() : 0); |
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485 | return result; |
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486 | } |
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487 | } |
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488 | |||
489 | public static bool operator ==(binBVHJoint left, binBVHJoint right) |
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490 | { |
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491 | return left.Equals(right); |
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492 | } |
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493 | |||
494 | public static bool operator !=(binBVHJoint left, binBVHJoint right) |
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495 | { |
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496 | return !left.Equals(right); |
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497 | } |
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498 | |||
499 | /// <summary> |
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500 | /// Name of the Joint. Matches the avatar_skeleton.xml in client distros |
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501 | /// </summary> |
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502 | public string Name; |
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503 | |||
504 | /// <summary> |
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505 | /// Joint Animation Override? Was the same as the Priority in testing.. |
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506 | /// </summary> |
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507 | public int Priority; |
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508 | |||
509 | /// <summary> |
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510 | /// Array of Rotation Keyframes in order from earliest to latest |
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511 | /// </summary> |
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512 | public binBVHJointKey[] rotationkeys; |
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513 | |||
514 | /// <summary> |
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515 | /// Array of Position Keyframes in order from earliest to latest |
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516 | /// This seems to only be for the Pelvis? |
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517 | /// </summary> |
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518 | public binBVHJointKey[] positionkeys; |
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519 | |||
520 | /// <summary> |
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521 | /// Custom application data that can be attached to a joint |
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522 | /// </summary> |
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523 | public object Tag; |
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524 | } |
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525 | |||
526 | /// <summary> |
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527 | /// A Joint Keyframe. This is either a position or a rotation. |
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528 | /// </summary> |
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529 | public struct binBVHJointKey |
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530 | { |
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531 | // Time in seconds for this keyframe. |
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532 | public float time; |
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533 | |||
534 | /// <summary> |
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535 | /// Either a Vector3 position or a Vector3 Euler rotation |
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536 | /// </summary> |
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537 | public Vector3 key_element; |
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538 | } |
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539 | |||
540 | /// <summary> |
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541 | /// Poses set in the animation metadata for the hands. |
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542 | /// </summary> |
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543 | public enum HandPose : uint |
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544 | { |
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545 | Spread = 0, |
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546 | Relaxed = 1, |
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547 | Point_Both = 2, |
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548 | Fist = 3, |
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549 | Relaxed_Left = 4, |
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550 | Point_Left = 5, |
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551 | Fist_Left = 6, |
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552 | Relaxed_Right = 7, |
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553 | Point_Right = 8, |
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554 | Fist_Right = 9, |
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555 | Salute_Right = 10, |
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556 | Typing = 11, |
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557 | Peace_Right = 12 |
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558 | } |
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559 | } |