1 | /*
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2 | -----------------------------------------------------------------------------
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3 | This source file is part of OGRE
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4 | (Object-oriented Graphics Rendering Engine)
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5 | For the latest info, see http://www.ogre3d.org/
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6 |
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7 | Copyright (c) 2000-2005 The OGRE Team
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8 | Also see acknowledgements in Readme.html
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9 |
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10 | This program is free software; you can redistribute it and/or modify it under
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11 | the terms of the GNU Lesser General Public License as published by the Free Software
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12 | Foundation; either version 2 of the License, or (at your option) any later
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13 | version.
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14 |
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15 | This program is distributed in the hope that it will be useful, but WITHOUT
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16 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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17 | FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
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18 |
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19 | You should have received a copy of the GNU Lesser General Public License along with
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20 | this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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21 | Place - Suite 330, Boston, MA 02111-1307, USA, or go to
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22 | http://www.gnu.org/copyleft/lesser.txt.
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23 | -----------------------------------------------------------------------------
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24 | */
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25 | #include "OgreStableHeaders.h"
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26 | #include "OgreAnimation.h"
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27 | #include "OgreKeyFrame.h"
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28 | #include "OgreException.h"
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29 | #include "OgreSkeleton.h"
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30 | #include "OgreBone.h"
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31 | #include "OgreEntity.h"
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32 | #include "OgreSubEntity.h"
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33 | #include "OgreMesh.h"
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34 | #include "OgreSubMesh.h"
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35 |
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36 | namespace Ogre {
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37 |
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38 | Animation::InterpolationMode Animation::msDefaultInterpolationMode = Animation::IM_LINEAR;
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39 | Animation::RotationInterpolationMode
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40 | Animation::msDefaultRotationInterpolationMode = Animation::RIM_LINEAR;
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41 | //---------------------------------------------------------------------
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42 | Animation::Animation(const String& name, Real length) : mName(name), mLength(length)
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43 | {
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44 | mInterpolationMode = Animation::msDefaultInterpolationMode;
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45 | mRotationInterpolationMode = Animation::msDefaultRotationInterpolationMode;
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46 | }
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47 | //---------------------------------------------------------------------
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48 | Animation::~Animation()
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49 | {
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50 | destroyAllTracks();
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51 | }
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52 | //---------------------------------------------------------------------
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53 | Real Animation::getLength(void) const
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54 | {
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55 | return mLength;
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56 | }
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57 | //---------------------------------------------------------------------
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58 | NodeAnimationTrack* Animation::createNodeTrack(unsigned short handle)
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59 | {
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60 | NodeAnimationTrack* ret = new NodeAnimationTrack(this, handle);
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61 |
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62 | mNodeTrackList[handle] = ret;
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63 | return ret;
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64 | }
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65 | //---------------------------------------------------------------------
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66 | NodeAnimationTrack* Animation::createNodeTrack(unsigned short handle, Node* node)
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67 | {
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68 | NodeAnimationTrack* ret = createNodeTrack(handle);
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69 |
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70 | ret->setAssociatedNode(node);
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71 |
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72 | return ret;
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73 | }
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74 | //---------------------------------------------------------------------
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75 | unsigned short Animation::getNumNodeTracks(void) const
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76 | {
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77 | return (unsigned short)mNodeTrackList.size();
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78 | }
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79 | //---------------------------------------------------------------------
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80 | bool Animation::hasNodeTrack(unsigned short handle) const
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81 | {
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82 | return (mNodeTrackList.find(handle) != mNodeTrackList.end());
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83 | }
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84 | //---------------------------------------------------------------------
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85 | NodeAnimationTrack* Animation::getNodeTrack(unsigned short handle) const
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86 | {
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87 | NodeTrackList::const_iterator i = mNodeTrackList.find(handle);
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88 |
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89 | if (i == mNodeTrackList.end())
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90 | {
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91 | OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND,
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92 | "Cannot find node track with the specified handle",
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93 | "Animation::getNodeTrack");
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94 | }
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95 |
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96 | return i->second;
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97 |
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98 | }
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99 | //---------------------------------------------------------------------
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100 | void Animation::destroyNodeTrack(unsigned short handle)
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101 | {
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102 | NodeTrackList::iterator i = mNodeTrackList.find(handle);
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103 |
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104 | if (i != mNodeTrackList.end())
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105 | {
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106 | delete i->second;
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107 | mNodeTrackList.erase(i);
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108 | }
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109 | }
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110 | //---------------------------------------------------------------------
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111 | void Animation::destroyAllNodeTracks(void)
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112 | {
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113 | NodeTrackList::iterator i;
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114 | for (i = mNodeTrackList.begin(); i != mNodeTrackList.end(); ++i)
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115 | {
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116 | delete i->second;
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117 | }
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118 | mNodeTrackList.clear();
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119 | }
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120 | //---------------------------------------------------------------------
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121 | NumericAnimationTrack* Animation::createNumericTrack(unsigned short handle)
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122 | {
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123 | NumericAnimationTrack* ret = new NumericAnimationTrack(this, handle);
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124 |
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125 | mNumericTrackList[handle] = ret;
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126 | return ret;
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127 | }
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128 | //---------------------------------------------------------------------
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129 | NumericAnimationTrack* Animation::createNumericTrack(unsigned short handle,
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130 | const AnimableValuePtr& anim)
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131 | {
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132 | NumericAnimationTrack* ret = createNumericTrack(handle);
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133 |
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134 | ret->setAssociatedAnimable(anim);
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135 |
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136 | return ret;
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137 | }
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138 | //---------------------------------------------------------------------
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139 | unsigned short Animation::getNumNumericTracks(void) const
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140 | {
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141 | return (unsigned short)mNumericTrackList.size();
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142 | }
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143 | //---------------------------------------------------------------------
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144 | bool Animation::hasNumericTrack(unsigned short handle) const
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145 | {
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146 | return (mNumericTrackList.find(handle) != mNumericTrackList.end());
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147 | }
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148 | //---------------------------------------------------------------------
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149 | NumericAnimationTrack* Animation::getNumericTrack(unsigned short handle) const
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150 | {
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151 | NumericTrackList::const_iterator i = mNumericTrackList.find(handle);
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152 |
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153 | if (i == mNumericTrackList.end())
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154 | {
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155 | OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND,
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156 | "Cannot find Numeric track with the specified handle",
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157 | "Animation::getNumericTrack");
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158 | }
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159 |
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160 | return i->second;
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161 |
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162 | }
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163 | //---------------------------------------------------------------------
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164 | void Animation::destroyNumericTrack(unsigned short handle)
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165 | {
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166 | NumericTrackList::iterator i = mNumericTrackList.find(handle);
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167 |
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168 | if (i != mNumericTrackList.end())
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169 | {
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170 | delete i->second;
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171 | mNumericTrackList.erase(i);
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172 | }
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173 | }
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174 | //---------------------------------------------------------------------
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175 | void Animation::destroyAllNumericTracks(void)
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176 | {
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177 | NumericTrackList::iterator i;
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178 | for (i = mNumericTrackList.begin(); i != mNumericTrackList.end(); ++i)
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179 | {
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180 | delete i->second;
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181 | }
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182 | mNumericTrackList.clear();
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183 | }
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184 | //---------------------------------------------------------------------
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185 | VertexAnimationTrack* Animation::createVertexTrack(unsigned short handle,
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186 | VertexAnimationType animType)
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187 | {
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188 | VertexAnimationTrack* ret = new VertexAnimationTrack(this, handle, animType);
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189 |
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190 | mVertexTrackList[handle] = ret;
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191 | return ret;
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192 |
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193 | }
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194 | //---------------------------------------------------------------------
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195 | VertexAnimationTrack* Animation::createVertexTrack(unsigned short handle,
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196 | VertexData* data, VertexAnimationType animType)
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197 | {
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198 | VertexAnimationTrack* ret = createVertexTrack(handle, animType);
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199 |
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200 | ret->setAssociatedVertexData(data);
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201 |
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202 | return ret;
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203 | }
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204 | //---------------------------------------------------------------------
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205 | unsigned short Animation::getNumVertexTracks(void) const
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206 | {
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207 | return (unsigned short)mVertexTrackList.size();
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208 | }
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209 | //---------------------------------------------------------------------
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210 | bool Animation::hasVertexTrack(unsigned short handle) const
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211 | {
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212 | return (mVertexTrackList.find(handle) != mVertexTrackList.end());
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213 | }
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214 | //---------------------------------------------------------------------
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215 | VertexAnimationTrack* Animation::getVertexTrack(unsigned short handle) const
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216 | {
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217 | VertexTrackList::const_iterator i = mVertexTrackList.find(handle);
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218 |
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219 | if (i == mVertexTrackList.end())
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220 | {
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221 | OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND,
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222 | "Cannot find Vertex track with the specified handle",
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223 | "Animation::getVertexTrack");
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224 | }
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225 |
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226 | return i->second;
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227 |
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228 | }
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229 | //---------------------------------------------------------------------
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230 | void Animation::destroyVertexTrack(unsigned short handle)
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231 | {
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232 | VertexTrackList::iterator i = mVertexTrackList.find(handle);
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233 |
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234 | if (i != mVertexTrackList.end())
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235 | {
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236 | delete i->second;
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237 | mVertexTrackList.erase(i);
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238 | }
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239 | }
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240 | //---------------------------------------------------------------------
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241 | void Animation::destroyAllVertexTracks(void)
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242 | {
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243 | VertexTrackList::iterator i;
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244 | for (i = mVertexTrackList.begin(); i != mVertexTrackList.end(); ++i)
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245 | {
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246 | delete i->second;
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247 | }
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248 | mVertexTrackList.clear();
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249 | }
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250 | //---------------------------------------------------------------------
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251 | void Animation::destroyAllTracks(void)
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252 | {
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253 | destroyAllNodeTracks();
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254 | destroyAllNumericTracks();
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255 | destroyAllVertexTracks();
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256 | }
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257 | //---------------------------------------------------------------------
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258 | const String& Animation::getName(void) const
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259 | {
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260 | return mName;
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261 | }
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262 | //---------------------------------------------------------------------
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263 | void Animation::apply(Real timePos, Real weight, bool accumulate, Real scale)
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264 | {
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265 | NodeTrackList::iterator i;
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266 | for (i = mNodeTrackList.begin(); i != mNodeTrackList.end(); ++i)
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267 | {
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268 | i->second->apply(timePos, weight, accumulate, scale);
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269 | }
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270 | NumericTrackList::iterator j;
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271 | for (j = mNumericTrackList.begin(); j != mNumericTrackList.end(); ++j)
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272 | {
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273 | j->second->apply(timePos, weight, accumulate, scale);
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274 | }
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275 | VertexTrackList::iterator k;
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276 | for (k = mVertexTrackList.begin(); k != mVertexTrackList.end(); ++k)
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277 | {
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278 | k->second->apply(timePos, weight, accumulate, scale);
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279 | }
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280 |
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281 | }
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282 | //---------------------------------------------------------------------
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283 | void Animation::apply(Skeleton* skel, Real timePos, Real weight,
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284 | bool accumulate, Real scale)
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285 | {
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286 | NodeTrackList::iterator i;
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287 | for (i = mNodeTrackList.begin(); i != mNodeTrackList.end(); ++i)
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288 | {
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289 | // get bone to apply to
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290 | Bone* b = skel->getBone(i->first);
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291 | i->second->applyToNode(b, timePos, weight, accumulate, scale);
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292 | }
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293 |
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294 |
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295 | }
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296 | //---------------------------------------------------------------------
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297 | void Animation::apply(Entity* entity, Real timePos, Real weight,
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298 | bool software, bool hardware)
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299 | {
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300 | VertexTrackList::iterator i;
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301 | for (i = mVertexTrackList.begin(); i != mVertexTrackList.end(); ++i)
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302 | {
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303 | unsigned short handle = i->first;
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304 | VertexAnimationTrack* track = i->second;
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305 |
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306 | VertexData* swVertexData;
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307 | VertexData* hwVertexData;
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308 | VertexData* origVertexData;
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309 | bool firstAnim = false;
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310 | if (handle == 0)
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311 | {
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312 | // shared vertex data
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313 | firstAnim = !entity->_getBuffersMarkedForAnimation();
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314 | swVertexData = entity->_getSoftwareVertexAnimVertexData();
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315 | hwVertexData = entity->_getHardwareVertexAnimVertexData();
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316 | origVertexData = entity->getMesh()->sharedVertexData;
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317 | entity->_markBuffersUsedForAnimation();
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318 | }
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319 | else
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320 | {
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321 | // sub entity vertex data (-1)
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322 | SubEntity* s = entity->getSubEntity(handle - 1);
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323 | firstAnim = !s->_getBuffersMarkedForAnimation();
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324 | swVertexData = s->_getSoftwareVertexAnimVertexData();
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325 | hwVertexData = s->_getHardwareVertexAnimVertexData();
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326 | origVertexData = s->getSubMesh()->vertexData;
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327 | s->_markBuffersUsedForAnimation();
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328 | }
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329 | // Apply to both hardware and software, if requested
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330 | if (software)
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331 | {
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332 | if (firstAnim && track->getAnimationType() == VAT_POSE)
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333 | {
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334 | // First time through for a piece of pose animated vertex data
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335 | // We need to copy the original position values to the temp accumulator
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336 | const VertexElement* origelem =
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337 | origVertexData->vertexDeclaration->findElementBySemantic(VES_POSITION);
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338 | const VertexElement* destelem =
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339 | swVertexData->vertexDeclaration->findElementBySemantic(VES_POSITION);
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340 | HardwareVertexBufferSharedPtr origBuffer =
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341 | origVertexData->vertexBufferBinding->getBuffer(origelem->getSource());
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342 | HardwareVertexBufferSharedPtr destBuffer =
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343 | swVertexData->vertexBufferBinding->getBuffer(destelem->getSource());
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344 | destBuffer->copyData(*origBuffer.get(), 0, 0, destBuffer->getSizeInBytes(), true);
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345 | }
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346 | track->setTargetMode(VertexAnimationTrack::TM_SOFTWARE);
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347 | track->applyToVertexData(swVertexData, timePos, weight,
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348 | &(entity->getMesh()->getPoseList()));
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349 | }
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350 | if (hardware)
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351 | {
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352 | track->setTargetMode(VertexAnimationTrack::TM_HARDWARE);
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353 | track->applyToVertexData(hwVertexData, timePos, weight,
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354 | &(entity->getMesh()->getPoseList()));
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355 | }
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356 | }
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357 |
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358 | }
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359 | //---------------------------------------------------------------------
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360 | void Animation::setInterpolationMode(InterpolationMode im)
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361 | {
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362 | mInterpolationMode = im;
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363 | }
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364 | //---------------------------------------------------------------------
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365 | Animation::InterpolationMode Animation::getInterpolationMode(void) const
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366 | {
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367 | return mInterpolationMode;
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368 | }
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369 | //---------------------------------------------------------------------
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370 | void Animation::setDefaultInterpolationMode(InterpolationMode im)
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371 | {
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372 | msDefaultInterpolationMode = im;
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373 | }
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374 | //---------------------------------------------------------------------
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375 | Animation::InterpolationMode Animation::getDefaultInterpolationMode(void)
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376 | {
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377 | return msDefaultInterpolationMode;
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378 | }
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379 | //---------------------------------------------------------------------
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380 | const Animation::NodeTrackList& Animation::_getNodeTrackList(void) const
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381 | {
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382 | return mNodeTrackList;
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383 |
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384 | }
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385 | //---------------------------------------------------------------------
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386 | const Animation::NumericTrackList& Animation::_getNumericTrackList(void) const
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387 | {
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388 | return mNumericTrackList;
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389 | }
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390 | //---------------------------------------------------------------------
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391 | void Animation::setRotationInterpolationMode(RotationInterpolationMode im)
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392 | {
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393 | mRotationInterpolationMode = im;
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394 | }
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395 | //---------------------------------------------------------------------
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396 | Animation::RotationInterpolationMode Animation::getRotationInterpolationMode(void) const
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397 | {
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398 | return mRotationInterpolationMode;
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399 | }
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400 | //---------------------------------------------------------------------
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401 | void Animation::setDefaultRotationInterpolationMode(RotationInterpolationMode im)
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402 | {
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403 | msDefaultRotationInterpolationMode = im;
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404 | }
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405 | //---------------------------------------------------------------------
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406 | Animation::RotationInterpolationMode Animation::getDefaultRotationInterpolationMode(void)
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407 | {
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408 | return msDefaultRotationInterpolationMode;
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409 | }
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410 | //---------------------------------------------------------------------
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411 | void Animation::optimise(void)
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412 | {
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413 | optimiseNodeTracks();
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414 | optimiseVertexTracks();
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415 |
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416 | }
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417 | //-----------------------------------------------------------------------
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418 | void Animation::optimiseNodeTracks(void)
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419 | {
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420 | // Iterate over the node tracks and identify those with no useful keyframes
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421 | std::list<unsigned short> tracksToDestroy;
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422 | NodeTrackList::iterator i;
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423 | for (i = mNodeTrackList.begin(); i != mNodeTrackList.end(); ++i)
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424 | {
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425 | NodeAnimationTrack* track = i->second;
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426 | if (!track->hasNonZeroKeyFrames())
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427 | {
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428 | // mark the entire track for destruction
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429 | tracksToDestroy.push_back(i->first);
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430 | }
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431 | else
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432 | {
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433 | track->optimise();
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434 | }
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435 |
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436 | }
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437 |
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438 | // Now destroy the tracks we marked for death
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439 | for(std::list<unsigned short>::iterator h = tracksToDestroy.begin();
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440 | h != tracksToDestroy.end(); ++h)
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441 | {
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442 | destroyNodeTrack(*h);
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443 | }
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444 | }
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445 | //-----------------------------------------------------------------------
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446 | void Animation::optimiseVertexTracks(void)
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447 | {
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448 | // Iterate over the node tracks and identify those with no useful keyframes
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449 | std::list<unsigned short> tracksToDestroy;
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450 | VertexTrackList::iterator i;
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451 | for (i = mVertexTrackList.begin(); i != mVertexTrackList.end(); ++i)
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452 | {
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453 | VertexAnimationTrack* track = i->second;
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454 | if (!track->hasNonZeroKeyFrames())
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455 | {
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456 | // mark the entire track for destruction
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457 | tracksToDestroy.push_back(i->first);
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458 | }
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459 | else
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460 | {
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461 | track->optimise();
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462 | }
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463 |
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464 | }
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465 |
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466 | // Now destroy the tracks we marked for death
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467 | for(std::list<unsigned short>::iterator h = tracksToDestroy.begin();
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468 | h != tracksToDestroy.end(); ++h)
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469 | {
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470 | destroyVertexTrack(*h);
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471 | }
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472 |
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473 | }
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474 |
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475 | }
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476 |
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477 |
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