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nuclear@54
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1 /*
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2 goat3d - 3D scene, character, and animation file format library.
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3 Copyright (C) 2013-2014 John Tsiombikas <nuclear@member.fsf.org>
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4
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5 This program is free software: you can redistribute it and/or modify
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6 it under the terms of the GNU Lesser General Public License as published by
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7 the Free Software Foundation, either version 3 of the License, or
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8 (at your option) any later version.
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9
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10 This program is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 GNU Lesser General Public License for more details.
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14
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15 You should have received a copy of the GNU Lesser General Public License
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16 along with this program. If not, see <http://www.gnu.org/licenses/>.
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17 */
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18 #include <assert.h>
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19 #include <algorithm>
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20 #include "xform_node.h"
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21 #include "anim/anim.h"
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22 #include "anim/track.h"
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23
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24 using namespace g3dimpl;
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25
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26 static inline anm_interpolator track_interpolator(Interp in);
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27 static inline anm_extrapolator track_extrapolator(Extrap ex);
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28
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29 XFormNode::XFormNode()
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30 {
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31 anm = new anm_node;
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32 anm_init_node(anm);
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33 parent = 0;
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34
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35 // TODO read them from anm to get the correct initial values
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36 interp = INTERP_LINEAR;
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37 extrap = EXTRAP_EXTEND;
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38 }
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39
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40 XFormNode::~XFormNode()
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41 {
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42 anm_destroy_node(anm);
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43 delete anm;
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44 }
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45
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46 struct anm_node *XFormNode::get_libanim_node() const
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47 {
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48 return anm;
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49 }
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50
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51 void XFormNode::set_name(const char *name)
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52 {
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53 anm_set_node_name(anm, name);
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54 }
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55
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56 const char *XFormNode::get_name() const
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57 {
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58 return anm_get_node_name(anm);
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59 }
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60
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61 void XFormNode::set_interpolator(Interp in)
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62 {
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63 anm_set_interpolator(anm, track_interpolator(in));
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64 interp = in;
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65 }
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66
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67 Interp XFormNode::get_interpolator() const
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68 {
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69 return interp;
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70 }
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71
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72 void XFormNode::set_extrapolator(Extrap ex)
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73 {
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74 anm_set_extrapolator(anm, track_extrapolator(ex));
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75 extrap = ex;
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76 }
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77
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78 Extrap XFormNode::get_extrapolator() const
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79 {
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80 return extrap;
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81 }
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82
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83 XFormNode *XFormNode::get_parent()
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84 {
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85 return parent;
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86 }
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87
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88 const XFormNode *XFormNode::get_parent() const
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89 {
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90 return parent;
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91 }
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92
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93 void XFormNode::add_child(XFormNode *child)
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94 {
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95 children.push_back(child);
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96 anm_link_node(anm, child->anm);
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97 child->parent = this;
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98 }
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99
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100 void XFormNode::remove_child(XFormNode *child)
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101 {
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102 std::vector<XFormNode*>::iterator it;
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103 it = std::find(children.begin(), children.end(), child);
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104 if(it != children.end()) {
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105 children.erase(it);
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106 anm_unlink_node(anm, child->anm);
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107
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108 if(child->parent == this) {
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109 child->parent = 0;
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110 }
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111 }
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112 }
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113
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114 int XFormNode::get_children_count() const
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115 {
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116 return (int)children.size();
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117 }
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118
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119 XFormNode *XFormNode::get_child(int idx)
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120 {
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121 if(idx >= 0 && idx < get_children_count()) {
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122 return children[idx];
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123 }
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124 return 0;
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125 }
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126
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127 const XFormNode *XFormNode::get_child(int idx) const
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128 {
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129 if(idx >= 0 && idx < get_children_count()) {
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130 return children[idx];
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131 }
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132 return 0;
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133 }
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134
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135
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136 void XFormNode::use_animation(int idx)
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137 {
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138 if(idx >= 0) {
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139 anm_use_animation(anm, idx);
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140 }
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141 }
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142
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143 void XFormNode::use_animation(const char *name)
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144 {
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145 anm_use_animation(anm, anm_find_animation(anm, name));
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146 }
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147
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148 void XFormNode::use_animation(int aidx, int bidx, float t)
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149 {
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150 anm_use_animations(anm, aidx, bidx, t);
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151 }
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152
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153 void XFormNode::use_animation(const char *aname, const char *bname, float t)
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154 {
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155 int aidx = anm_find_animation(anm, aname);
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156 int bidx = anm_find_animation(anm, bname);
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157
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158 if(aidx == -1) {
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159 use_animation(bidx);
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160 }
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161 if(bidx == -1) {
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162 use_animation(aidx);
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163 }
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164 anm_use_animations(anm, aidx, bidx, t);
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165 }
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166
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167 int XFormNode::get_active_animation_index(int which) const
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168 {
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169 return anm_get_active_animation_index(anm, which);
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170 }
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171
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172 float XFormNode::get_active_animation_mix() const
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173 {
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174 return anm_get_active_animation_mix(anm);
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175 }
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176
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177 int XFormNode::get_animation_count() const
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178 {
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179 return anm_get_animation_count(anm);
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180 }
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181
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182 void XFormNode::add_animation(const char *name)
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183 {
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184 int idx = get_animation_count();
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185
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186 anm_add_animation(anm);
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187 use_animation(idx);
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188
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189 if(name) {
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190 set_animation_name(name);
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191 }
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192 }
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193
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194 void XFormNode::set_animation_name(const char *name)
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195 {
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196 anm_set_active_animation_name(anm, name);
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197 }
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198
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199 const char *XFormNode::get_animation_name() const
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200 {
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201 return anm_get_active_animation_name(anm);
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202 }
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203
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204 static const int track_type_base[] = {ANM_TRACK_POS_X, ANM_TRACK_ROT_X, ANM_TRACK_SCL_X};
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205 static const int track_type_nelem[] = {3, 4, 3};
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206
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207 int XFormNode::get_key_count(int trackid) const
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208 {
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209 struct anm_animation *anim = anm_get_active_animation(anm, 0);
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210 return anim->tracks[track_type_base[trackid]].count;
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211 }
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212
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213 int XFormNode::get_position_key_count() const
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214 {
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215 return get_key_count(POSITION_TRACK);
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216 }
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217
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218 int XFormNode::get_rotation_key_count() const
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219 {
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220 return get_key_count(ROTATION_TRACK);
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221 }
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222
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223 int XFormNode::get_scaling_key_count() const
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224 {
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225 return get_key_count(SCALING_TRACK);
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226 }
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227
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228 long XFormNode::get_key_time(int trackid, int idx) const
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229 {
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230 struct anm_animation *anim = anm_get_active_animation(anm, 0);
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231 struct anm_keyframe *key = anm_get_keyframe(anim->tracks + track_type_base[trackid], idx);
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232 return ANM_TM2MSEC(key->time);
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233 }
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234
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235 long XFormNode::get_position_key_time(int idx) const
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236 {
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237 return get_key_time(POSITION_TRACK, idx);
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238 }
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239
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240 long XFormNode::get_rotation_key_time(int idx) const
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241 {
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242 return get_key_time(ROTATION_TRACK, idx);
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243 }
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244
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245 long XFormNode::get_scaling_key_time(int idx) const
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246 {
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247 return get_key_time(SCALING_TRACK, idx);
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248 }
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249
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250 int XFormNode::get_key_value(int trackid, int idx, float *val) const
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251 {
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252 struct anm_animation *anim = anm_get_active_animation(anm, 0);
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253
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254 int nelem = track_type_nelem[trackid];
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255 for(int i=0; i<nelem; i++) {
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256 struct anm_keyframe *key = anm_get_keyframe(anim->tracks + track_type_base[trackid] + i, idx);
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257 val[i] = key->val;
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258 }
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259 return nelem;
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260 }
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261
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262 Vector3 XFormNode::get_position_key_value(int idx) const
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263 {
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264 float val[3];
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265 get_key_value(POSITION_TRACK, idx, val);
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266 return Vector3(val[0], val[1], val[2]);
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267 }
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268
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269 Quaternion XFormNode::get_rotation_key_value(int idx) const
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270 {
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271 float val[4];
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272 get_key_value(ROTATION_TRACK, idx, val);
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273 return Quaternion(val[3], val[0], val[1], val[2]);
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274 }
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275
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276 Vector3 XFormNode::get_scaling_key_value(int idx) const
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277 {
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278 float val[3];
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279 get_key_value(SCALING_TRACK, idx, val);
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280 return Vector3(val[0], val[1], val[2]);
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281 }
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282
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283 void XFormNode::set_position(const Vector3 &pos, long tmsec)
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284 {
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285 anm_set_position(anm, v3_cons(pos.x, pos.y, pos.z), ANM_MSEC2TM(tmsec));
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286 }
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287
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288 Vector3 XFormNode::get_node_position(long tmsec) const
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289 {
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290 vec3_t p = anm_get_node_position(anm, ANM_MSEC2TM(tmsec));
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291 return Vector3(p.x, p.y, p.z);
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292 }
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293
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294 void XFormNode::set_rotation(const Quaternion &quat, long tmsec)
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295 {
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296 anm_set_rotation(anm, quat_cons(quat.s, quat.v.x, quat.v.y, quat.v.z), ANM_MSEC2TM(tmsec));
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297 }
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298
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299 Quaternion XFormNode::get_node_rotation(long tmsec) const
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300 {
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301 quat_t q = anm_get_node_rotation(anm, ANM_MSEC2TM(tmsec));
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302 return Quaternion(q.w, q.x, q.y, q.z);
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303 }
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304
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305 void XFormNode::set_scaling(const Vector3 &pos, long tmsec)
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306 {
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307 anm_set_scaling(anm, v3_cons(pos.x, pos.y, pos.z), ANM_MSEC2TM(tmsec));
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308 }
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309
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310 Vector3 XFormNode::get_node_scaling(long tmsec) const
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311 {
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312 vec3_t s = anm_get_node_scaling(anm, ANM_MSEC2TM(tmsec));
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313 return Vector3(s.x, s.y, s.z);
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314 }
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315
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316 // these take hierarchy into account
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317 Vector3 XFormNode::get_position(long tmsec) const
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318 {
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319 vec3_t v = anm_get_position(anm, ANM_MSEC2TM(tmsec));
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320 return Vector3(v.x, v.y, v.z);
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321 }
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322
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323 Quaternion XFormNode::get_rotation(long tmsec) const
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324 {
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325 quat_t q = anm_get_rotation(anm, tmsec);
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326 return Quaternion(q.w, q.x, q.y, q.z);
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327 }
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328
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329 Vector3 XFormNode::get_scaling(long tmsec) const
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330 {
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331 vec3_t v = anm_get_scaling(anm, ANM_MSEC2TM(tmsec));
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332 return Vector3(v.x, v.y, v.z);
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333 }
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334
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335 void XFormNode::set_pivot(const Vector3 &pivot)
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336 {
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337 anm_set_pivot(anm, v3_cons(pivot.x, pivot.y, pivot.z));
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338 }
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339
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340 Vector3 XFormNode::get_pivot() const
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341 {
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342 vec3_t p = anm_get_pivot(anm);
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343 return Vector3(p.x, p.y, p.z);
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344 }
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345
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346 void XFormNode::set_local_matrix(const Matrix4x4 &mat)
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347 {
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348 local_matrix = mat;
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349 }
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350
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351 const Matrix4x4 &XFormNode::get_local_matrix() const
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352 {
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353 return local_matrix;
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354 }
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355
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356 void XFormNode::set_bone_matrix(const Matrix4x4 &bmat)
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357 {
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358 bone_matrix = bmat;
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359 }
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360
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361 const Matrix4x4 &XFormNode::get_bone_matrix() const
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362 {
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363 return bone_matrix;
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364 }
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365
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366 #define FOO
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367
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368 void XFormNode::get_node_xform(long tmsec, Matrix4x4 *mat, Matrix4x4 *inv_mat) const
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369 {
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370 anm_time_t tm = ANM_MSEC2TM(tmsec);
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371
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372 if(mat) {
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373 anm_get_node_matrix(anm, (scalar_t(*)[4])mat, tm);
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nuclear@1
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374 #ifdef FOO
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375 *mat = local_matrix * *mat;
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376 #else
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377 *mat = *mat * local_matrix;
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378 #endif
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379 }
|
nuclear@1
|
380 if(inv_mat) {
|
nuclear@1
|
381 anm_get_inv_matrix(anm, (scalar_t(*)[4])inv_mat, tm);
|
nuclear@1
|
382 }
|
nuclear@1
|
383 }
|
nuclear@1
|
384
|
nuclear@1
|
385 void XFormNode::get_xform(long tmsec, Matrix4x4 *mat, Matrix4x4 *inv_mat) const
|
nuclear@1
|
386 {
|
nuclear@1
|
387 anm_time_t tm = ANM_MSEC2TM(tmsec);
|
nuclear@1
|
388
|
nuclear@1
|
389 if(mat) {
|
nuclear@1
|
390 anm_get_matrix(anm, (scalar_t(*)[4])mat, tm);
|
nuclear@1
|
391 #ifdef FOO
|
nuclear@1
|
392 *mat = local_matrix * *mat;
|
nuclear@1
|
393 #else
|
nuclear@1
|
394 *mat = *mat * local_matrix;
|
nuclear@1
|
395 #endif
|
nuclear@1
|
396 }
|
nuclear@1
|
397 if(inv_mat) {
|
nuclear@1
|
398 anm_get_inv_matrix(anm, (scalar_t(*)[4])inv_mat, tm);
|
nuclear@1
|
399 }
|
nuclear@1
|
400 }
|
nuclear@1
|
401
|
nuclear@1
|
402
|
nuclear@1
|
403 // ---- Track ----
|
nuclear@1
|
404
|
nuclear@1
|
405 Track::Track()
|
nuclear@1
|
406 {
|
nuclear@1
|
407 trk = new anm_track;
|
nuclear@1
|
408 anm_init_track(trk);
|
nuclear@1
|
409 }
|
nuclear@1
|
410
|
nuclear@1
|
411 Track::~Track()
|
nuclear@1
|
412 {
|
nuclear@1
|
413 anm_destroy_track(trk);
|
nuclear@1
|
414 delete trk;
|
nuclear@1
|
415 }
|
nuclear@1
|
416
|
nuclear@1
|
417 Track::Track(const Track &rhs)
|
nuclear@1
|
418 {
|
nuclear@1
|
419 trk = new anm_track;
|
nuclear@1
|
420 anm_init_track(trk);
|
nuclear@1
|
421 anm_copy_track(trk, rhs.trk);
|
nuclear@1
|
422 interp = rhs.interp;
|
nuclear@1
|
423 extrap = rhs.extrap;
|
nuclear@1
|
424 }
|
nuclear@1
|
425
|
nuclear@1
|
426 Track &Track::operator =(const Track &rhs)
|
nuclear@1
|
427 {
|
nuclear@1
|
428 if(&rhs == this) {
|
nuclear@1
|
429 return *this;
|
nuclear@1
|
430 }
|
nuclear@1
|
431
|
nuclear@1
|
432 anm_copy_track(trk, rhs.trk);
|
nuclear@1
|
433 interp = rhs.interp;
|
nuclear@1
|
434 extrap = rhs.extrap;
|
nuclear@1
|
435 return *this;
|
nuclear@1
|
436 }
|
nuclear@1
|
437
|
nuclear@1
|
438
|
nuclear@1
|
439 void Track::set_interpolator(Interp in)
|
nuclear@1
|
440 {
|
nuclear@1
|
441 anm_set_track_interpolator(trk, track_interpolator(in));
|
nuclear@1
|
442 interp = in;
|
nuclear@1
|
443 }
|
nuclear@1
|
444
|
nuclear@1
|
445 Interp Track::get_interpolator() const
|
nuclear@1
|
446 {
|
nuclear@1
|
447 return interp;
|
nuclear@1
|
448 }
|
nuclear@1
|
449
|
nuclear@1
|
450 void Track::set_extrapolator(Extrap ex)
|
nuclear@1
|
451 {
|
nuclear@1
|
452 anm_set_track_extrapolator(trk, track_extrapolator(ex));
|
nuclear@1
|
453 extrap = ex;
|
nuclear@1
|
454 }
|
nuclear@1
|
455
|
nuclear@1
|
456 Extrap Track::get_extrapolator() const
|
nuclear@1
|
457 {
|
nuclear@1
|
458 return extrap;
|
nuclear@1
|
459 }
|
nuclear@1
|
460
|
nuclear@1
|
461 void Track::set_default(double def)
|
nuclear@1
|
462 {
|
nuclear@1
|
463 anm_set_track_default(trk, def);
|
nuclear@1
|
464 }
|
nuclear@1
|
465
|
nuclear@1
|
466 void Track::set_value(float val, long tmsec)
|
nuclear@1
|
467 {
|
nuclear@1
|
468 anm_set_value(trk, ANM_MSEC2TM(tmsec), val);
|
nuclear@1
|
469 }
|
nuclear@1
|
470
|
nuclear@1
|
471 float Track::get_value(long tmsec) const
|
nuclear@1
|
472 {
|
nuclear@1
|
473 return anm_get_value(trk, ANM_MSEC2TM(tmsec));
|
nuclear@1
|
474 }
|
nuclear@1
|
475
|
nuclear@1
|
476 float Track::operator ()(long tmsec) const
|
nuclear@1
|
477 {
|
nuclear@1
|
478 return anm_get_value(trk, ANM_MSEC2TM(tmsec));
|
nuclear@1
|
479 }
|
nuclear@1
|
480
|
nuclear@1
|
481
|
nuclear@1
|
482 // ---- Track3 ----
|
nuclear@1
|
483
|
nuclear@1
|
484 void Track3::set_interpolator(Interp in)
|
nuclear@1
|
485 {
|
nuclear@1
|
486 for(int i=0; i<3; i++) {
|
nuclear@1
|
487 track[i].set_interpolator(in);
|
nuclear@1
|
488 }
|
nuclear@1
|
489 }
|
nuclear@1
|
490
|
nuclear@1
|
491 Interp Track3::get_interpolator() const
|
nuclear@1
|
492 {
|
nuclear@1
|
493 return track[0].get_interpolator();
|
nuclear@1
|
494 }
|
nuclear@1
|
495
|
nuclear@1
|
496 void Track3::set_extrapolator(Extrap ex)
|
nuclear@1
|
497 {
|
nuclear@1
|
498 for(int i=0; i<3; i++) {
|
nuclear@1
|
499 track[i].set_extrapolator(ex);
|
nuclear@1
|
500 }
|
nuclear@1
|
501 }
|
nuclear@1
|
502
|
nuclear@1
|
503 Extrap Track3::get_extrapolator() const
|
nuclear@1
|
504 {
|
nuclear@1
|
505 return track[0].get_extrapolator();
|
nuclear@1
|
506 }
|
nuclear@1
|
507
|
nuclear@1
|
508 void Track3::set_default(const Vector3 &def)
|
nuclear@1
|
509 {
|
nuclear@1
|
510 for(int i=0; i<3; i++) {
|
nuclear@1
|
511 track[i].set_default(def[i]);
|
nuclear@1
|
512 }
|
nuclear@1
|
513 }
|
nuclear@1
|
514
|
nuclear@1
|
515 void Track3::set_value(const Vector3 &val, long tmsec)
|
nuclear@1
|
516 {
|
nuclear@1
|
517 for(int i=0; i<3; i++) {
|
nuclear@1
|
518 track[i].set_value(val[i], tmsec);
|
nuclear@1
|
519 }
|
nuclear@1
|
520 }
|
nuclear@1
|
521
|
nuclear@1
|
522 Vector3 Track3::get_value(long tmsec) const
|
nuclear@1
|
523 {
|
nuclear@1
|
524 return Vector3(track[0](tmsec), track[1](tmsec), track[2](tmsec));
|
nuclear@1
|
525 }
|
nuclear@1
|
526
|
nuclear@1
|
527 Vector3 Track3::operator ()(long tmsec) const
|
nuclear@1
|
528 {
|
nuclear@1
|
529 return Vector3(track[0](tmsec), track[1](tmsec), track[2](tmsec));
|
nuclear@1
|
530 }
|
nuclear@1
|
531
|
nuclear@1
|
532
|
nuclear@1
|
533 static inline anm_interpolator track_interpolator(Interp in)
|
nuclear@1
|
534 {
|
nuclear@1
|
535 switch(in) {
|
nuclear@1
|
536 case INTERP_STEP:
|
nuclear@1
|
537 return ANM_INTERP_STEP;
|
nuclear@1
|
538 case INTERP_LINEAR:
|
nuclear@1
|
539 return ANM_INTERP_LINEAR;
|
nuclear@1
|
540 case INTERP_CUBIC:
|
nuclear@1
|
541 return ANM_INTERP_CUBIC;
|
nuclear@1
|
542 }
|
nuclear@1
|
543
|
nuclear@1
|
544 assert(0);
|
nuclear@1
|
545 return ANM_INTERP_STEP;
|
nuclear@1
|
546 }
|
nuclear@1
|
547
|
nuclear@1
|
548 static inline anm_extrapolator track_extrapolator(Extrap ex)
|
nuclear@1
|
549 {
|
nuclear@1
|
550 switch(ex) {
|
nuclear@1
|
551 case EXTRAP_EXTEND:
|
nuclear@1
|
552 return ANM_EXTRAP_EXTEND;
|
nuclear@1
|
553 case EXTRAP_CLAMP:
|
nuclear@1
|
554 return ANM_EXTRAP_CLAMP;
|
nuclear@1
|
555 case EXTRAP_REPEAT:
|
nuclear@1
|
556 return ANM_EXTRAP_REPEAT;
|
nuclear@1
|
557 }
|
nuclear@1
|
558
|
nuclear@1
|
559 assert(0);
|
nuclear@1
|
560 return ANM_EXTRAP_EXTEND;
|
nuclear@1
|
561 }
|
nuclear@1
|
562
|