2 Copyright (C) 1999-2007 id Software, Inc. and contributors.
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3 For a list of contributors, see the accompanying CONTRIBUTORS file.
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5 This file is part of GtkRadiant.
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7 GtkRadiant is free software; you can redistribute it and/or modify
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8 it under the terms of the GNU General Public License as published by
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9 the Free Software Foundation; either version 2 of the License, or
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10 (at your option) any later version.
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12 GtkRadiant is distributed in the hope that it will be useful,
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13 but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 GNU General Public License for more details.
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17 You should have received a copy of the GNU General Public License
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18 along with GtkRadiant; if not, write to the Free Software
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19 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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24 #include "entity_entitymodel.h"
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28 // CEntityMiscModel implementation
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31 CEntityMiscModel::CEntityMiscModel (entity_t *e)
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36 VectorSet(m_translate, 0,0,0);
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37 VectorSet(m_euler, 0,0,0);
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38 VectorSet(m_scale, 1,1,1);
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39 VectorSet(m_pivot, 0,0,0);
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40 m4x4_identity(m_transform);
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41 m4x4_identity(m_inverse_transform);
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44 CEntityMiscModel::~CEntityMiscModel ()
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46 if(m_cachereq.GetBuffer()[0] != ':'
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47 && m_version.c_str()[0] != '\0')
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48 GetModelCache()->DeleteByID(m_cachereq.GetBuffer(), m_version.c_str());
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54 void CEntityMiscModel::Draw(int state, int rflags) const
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56 // push the current modelview matrix
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57 // FIXME: put in a check for stack recursion depth..
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58 // or avoid recursion of opengl matrix stack
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59 g_QglTable.m_pfn_qglPushMatrix();
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60 // apply the parent-to-local transform
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61 g_QglTable.m_pfn_qglMultMatrixf(m_transform);
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63 pivot_draw(m_pivot);
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66 if(m_model && m_model->pRender)
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68 m_model->pRender->Draw(state, rflags);
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71 g_QglTable.m_pfn_qglPopMatrix();
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76 bool CEntityMiscModel::TestRay(const ray_t *ray, vec_t *dist) const
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78 vec_t dist_start = *dist;
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79 vec_t dist_local = *dist;
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80 ray_t ray_local = *ray;
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82 if (aabb_test_ray(&m_BBox, ray) == 0)
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85 ray_transform(&ray_local, m_inverse_transform);
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87 if(m_model && m_model->pSelect)
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89 if(m_model->pSelect->TestRay(&ray_local, &dist_local))
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92 else *dist = dist_local;
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94 return *dist < dist_start;
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100 void CEntityMiscModel::Translate(const vec3_t translation)
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102 VectorIncrement(translation, m_translate);
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103 UpdateCachedData();
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106 void CEntityMiscModel::Rotate(const vec3_t pivot, const vec3_t rotation)
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108 m4x4_t rotation_matrix;
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110 m4x4_identity(rotation_matrix);
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111 m4x4_pivoted_rotate_by_vec3(rotation_matrix, rotation, eXYZ, pivot);
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112 m4x4_transform_point(rotation_matrix, m_translate);
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114 VectorIncrement(rotation, m_euler);
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116 UpdateCachedData();
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119 void CEntityMiscModel::OnKeyValueChanged(entity_t *e, const char *key, const char* value)
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121 if(strcmp(key, "model") == 0)
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123 else if(strcmp(key, "_frame") == 0)
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125 SetName(ValueForKey(e, "model"));
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127 else if(strcmp(key, "angle") == 0)
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129 VectorSet(m_euler, 0.f, 0.f, 0.f);
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130 m_euler[2] = atof(value);
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131 UpdateCachedData();
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133 else if(strcmp(key, "angles") == 0)
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135 VectorSet(m_euler, 0.f, 0.f, 0.f);
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136 if (value[0] != '\0')
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137 sscanf (value, "%f %f %f", &m_euler[1], &m_euler[2], &m_euler[0]);
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138 UpdateCachedData();
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140 else if(strcmp(key, "modelscale") == 0 || strcmp(key,"modelscale_vec") == 0)
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143 VectorSet(m_scale, 1.f, 1.f, 1.f);
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144 s = ValueForKey(e,"modelscale");
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149 VectorSet(m_scale, f, f, f);
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151 Sys_FPrintf(SYS_WRN, "WARNING: ignoring 0 modelscale key\n");
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153 s = ValueForKey(e,"modelscale_vec");
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156 sscanf (s, "%f %f %f", &m_scale[0], &m_scale[1], &m_scale[2]);
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157 if (m_scale[0] == 0.0 && m_scale[1] == 0.0 && m_scale[2] == 0.0)
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159 VectorSet(m_scale, 1,1,1);
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160 Sys_FPrintf(SYS_WRN, "WARNING: ignoring 0 0 0 modelscale_vec key\n");
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163 UpdateCachedData();
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165 else if(strcmp(key, "origin") == 0)
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167 sscanf(value, "%f %f %f", &m_translate[0], &m_translate[1], &m_translate[2]);
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168 UpdateCachedData();
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170 else if(strncmp(key,"_remap",6) == 0)
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172 SetName(ValueForKey(e, "model"));
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177 // CEntityMiscModel
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182 void CEntityMiscModel::BuildCacheRequestString(const char *name)
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184 bool hasRemaps = false;
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186 m_cachereq.Format( "%s:%i", name, IntForKey(m_entity,"_frame") );
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188 for (epair_t* ep = m_entity->epairs ; ep ; ep=ep->next)
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190 if( strncmp(ep->key,"_remap",6) == 0 )
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199 m_cachereq += ep->value;
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204 void CEntityMiscModel::SetName(const char *name)
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206 Str m_oldcachereq = m_cachereq;
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208 if( name[0] == '\0' ) {
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212 BuildCacheRequestString(name);
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214 if(strcmp(m_oldcachereq, m_cachereq) == 0)
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217 if(m_cachereq.GetBuffer()[0] != ':'
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218 && m_version.c_str()[0] != '\0')
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219 GetModelCache()->DeleteByID(m_cachereq.GetBuffer(), m_version.c_str());
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223 if(name[0] != '\0')
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225 const char* dot = strrchr(name, '.');
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229 m_model = GetModelCache()->GetByID(m_cachereq.GetBuffer(), m_version.c_str());
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233 UpdateCachedData();
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237 void CEntityMiscModel::UpdateCachedData()
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241 m4x4_identity(m_transform);
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242 m4x4_pivoted_transform_by_vec3(m_transform, m_translate, m_euler, eXYZ, m_scale, m_pivot);
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243 memcpy(m_inverse_transform, m_transform, sizeof(m4x4_t));
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244 m4x4_invert(m_inverse_transform);
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246 aabb_clear(&aabb_temp);
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248 if(m_model && m_model->pRender)
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249 aabb_extend_by_aabb(&aabb_temp, m_model->pRender->GetAABB());
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251 VectorSet(aabb_temp.extents, 8, 8, 8);
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253 aabb_for_transformed_aabb(&m_BBox, &aabb_temp, m_transform);
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