1 | #include "OgreRenderingrun.h"
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2 |
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3 | MovablePlane* OgreRenderingRun::fullScreenQuad = NULL;
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4 | Entity* OgreRenderingRun::fullScreenQuadEntity = NULL;
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5 | SceneNode* OgreRenderingRun::fullScreenQuadNode = NULL;
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6 |
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7 | class MaterialSetVisitor : public QueuedRenderableVisitor
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8 | {
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9 | private:
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10 | String materialName;
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11 | std::map<Renderable*, String>* visibleObjects;
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12 | public:
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13 |
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14 | MaterialSetVisitor(String& materialName, std::map<Renderable*, String>* visibleObjects)
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15 | {
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16 | this->materialName = materialName;
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17 | this->visibleObjects = visibleObjects;
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18 | }
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19 |
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20 | void visit(const Renderable* r)
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21 | {
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22 | Renderable* rend = (Renderable*) r; //sorry for removing the const
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23 |
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24 | if( visibleObjects->count(rend) == 0)
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25 | {
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26 | (*visibleObjects)[rend] = rend->getMaterial().getPointer()->getName();
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27 | rend->setMaterialName(materialName);
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28 | }
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29 | }
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30 | bool visit(const Pass* p){return true;}
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31 | void visit(const RenderablePass* rp)
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32 | {
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33 | Renderable* rend = rp->renderable;
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34 |
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35 | if( visibleObjects->count(rend) == 0)
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36 | {
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37 | (*visibleObjects)[rend] = rend->getMaterial().getPointer()->getName();
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38 | rend->setMaterialName(materialName);
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39 | }
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40 | }
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41 |
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42 | };
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43 |
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44 | Vector3 OgreRenderingRun::getCubeMapFaceDirection(unsigned char faceId)
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45 | {
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46 | switch(faceId)
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47 | {
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48 | case 0: //positive X
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49 | return Vector3(1,0,0);
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50 | case 1: //negative X
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51 | return Vector3(-1,0,0);
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52 | case 2: //positiove Y
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53 | return Vector3(0,1,0);
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54 | case 3: //negative Y
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55 | return Vector3(0,-1,0);
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56 | case 4: //positiove Z
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57 | return Vector3(0,0,-1);
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58 | case 5: //negative Z
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59 | return Vector3(0,0,1);
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60 | default:
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61 | return Vector3(0,0,0);
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62 | }
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63 | }
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64 |
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65 | Texture* OgreRenderingRun::createCubeRenderTexture(String name, const Vector3 position, unsigned int resolution, PixelFormat format, int numMips, ColourValue clearColor)
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66 | {
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67 | //create texture
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68 | TexturePtr texPtr = Ogre::TextureManager::getSingleton().createManual( name,
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69 | "default",
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70 | TEX_TYPE_CUBE_MAP,
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71 | resolution,
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72 | resolution,
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73 | 0,
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74 | numMips,
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75 | format,
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76 | TU_RENDERTARGET);
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77 | Texture* result = texPtr.getPointer();
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78 |
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79 | //add viewports to faces
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80 | for(unsigned int i = 0; i < 6; i++)
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81 | {
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82 | Camera* cam = Root::getSingleton()._getCurrentSceneManager()
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83 | ->createCamera(name + "CUBEMAPFACE_" + StringConverter::toString(i) + "_CAMERA");
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84 |
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85 | cam->setPosition(position);
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86 | cam->setAspectRatio(1);
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87 | cam->setFOVy(Radian(Degree(90)));
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88 | cam->setNearClipDistance(0.1);
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89 |
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90 | //set camera orientation
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91 | switch(i)
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92 | {
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93 | case 2:
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94 | cam->setOrientation(Quaternion(Radian(Degree(90)),Vector3(1,0,0)));
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95 | break;
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96 | case 3:
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97 | cam->setOrientation(Quaternion(Radian(Degree(90)),Vector3(-1,0,0)));
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98 | break;
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99 | default:
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100 | cam->setDirection(getCubeMapFaceDirection(i));
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101 | break;
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102 | }
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103 |
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104 | HardwarePixelBuffer* hpb = (result->getBuffer(i, 0)).getPointer();
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105 | RenderTarget* rt = hpb->getRenderTarget(0);
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106 | Viewport* v = rt->addViewport(cam);
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107 | v->setOverlaysEnabled(false);
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108 | rt->setAutoUpdated(false);
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109 |
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110 | Root::getSingleton().getRenderSystem()->_setViewport(v);
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111 | Root::getSingleton().getRenderSystem()->clearFrameBuffer( FBT_COLOUR, clearColor);
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112 | }
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113 |
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114 | return result;
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115 |
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116 | }
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117 |
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118 | void OgreRenderingRun::setMaterialForRenderables(String& materialName, RenderQueue* rq, bool solidsonly)
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119 | {
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120 | RenderQueue::QueueGroupIterator queueIt = rq->_getQueueGroupIterator();
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121 |
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122 | while (queueIt.hasMoreElements())
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123 | {
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124 | RenderQueueGroup* pGroup = queueIt.getNext();
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125 |
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126 | RenderQueueGroup::PriorityMapIterator groupIt = pGroup->getIterator();
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127 |
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128 | while (groupIt.hasMoreElements())
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129 | {
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130 | RenderPriorityGroup* pPriorityGrp = groupIt.getNext();
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131 | const QueuedRenderableCollection& solids = pPriorityGrp->getSolidsBasic();
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132 | const QueuedRenderableCollection& transparents = pPriorityGrp->getTransparents();
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133 | MaterialSetVisitor visitor(materialName, &visibleObjects);
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134 | solids.acceptVisitor(&visitor, QueuedRenderableCollection::OM_PASS_GROUP);
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135 | if(!solidsonly)
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136 | transparents.acceptVisitor(&visitor, QueuedRenderableCollection::OM_SORT_ASCENDING);
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137 | }
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138 | }
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139 |
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140 | //refill renderqueue
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141 | rq->clear();
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142 |
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143 | std::map<Renderable*, String>::iterator it = visibleObjects.begin();
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144 | std::map<Renderable*, String>::iterator itend = visibleObjects.end();
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145 |
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146 | while(it != itend)
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147 | {
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148 | rq->addRenderable((*it).first);
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149 | it++;
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150 | }
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151 |
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152 | SceneManager* sm = Ogre::Root::getSingleton()._getCurrentSceneManager();
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153 | sm->setFindVisibleObjects(false);
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154 | }
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155 |
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156 | void OgreRenderingRun::setMaterialForVisibles(String& materialName, Camera* cam, bool shadowcastersonly, bool solidsonly)
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157 | {
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158 | SceneManager* sm = Ogre::Root::getSingleton()._getCurrentSceneManager();
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159 |
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160 | RenderQueue* rq = sm->getRenderQueue();
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161 | rq->clear();
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162 |
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163 | RenderQueue::QueueGroupIterator groupIter = rq->_getQueueGroupIterator();
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164 | while (groupIter.hasMoreElements())
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165 | {
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166 | RenderQueueGroup* g = groupIter.getNext();
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167 | g->defaultOrganisationMode();
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168 | }
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169 |
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170 | sm->_findVisibleObjects (cam, shadowcastersonly);
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171 |
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172 | setMaterialForRenderables(materialName, rq, solidsonly);
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173 | }
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174 |
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175 | void OgreRenderingRun::restoreMaterials()
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176 | {
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177 | std::map<Renderable*, String>::iterator it = visibleObjects.begin();
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178 | std::map<Renderable*, String>::iterator itend = visibleObjects.end();
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179 |
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180 | while(it != itend)
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181 | {
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182 | ((*it).first)->setMaterialName((*it).second);
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183 | it++;
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184 | }
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185 |
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186 | visibleObjects.clear();
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187 |
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188 | SceneManager* sm = Ogre::Root::getSingleton()._getCurrentSceneManager();
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189 | sm->setFindVisibleObjects(true);
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190 | }
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191 |
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192 | void OgreRenderingRun::renderFullscreenQuad(String materialName, RenderTarget* target)
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193 | {
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194 | SceneManager* sm = Ogre::Root::getSingleton()._getCurrentSceneManager();
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195 |
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196 | if(fullScreenQuad == NULL)
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197 | {
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198 | fullScreenQuad = new MovablePlane("PASS_FULLSCREENQUAD_PLANE");
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199 | fullScreenQuad->d = 0;
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200 | fullScreenQuad->normal = Vector3::UNIT_Z;
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201 | MeshManager::getSingleton().createPlane("PASS_FULLSCREENQUAD_MESH",
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202 | ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
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203 | *fullScreenQuad, 2, 2,
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204 | 1, 1, true, 1, 1, 1, Vector3::UNIT_Y);
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205 | fullScreenQuadEntity = sm->createEntity( "PASS_FULLSCREENQUAD_ENTITY", "PASS_FULLSCREENQUAD_MESH" );
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206 | sm->getRootSceneNode()->attachObject(fullScreenQuadEntity);
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207 | fullScreenQuadEntity->setVisible(false);
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208 | }
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209 |
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210 | fullScreenQuadEntity->setMaterialName(materialName);
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211 | sm->getRenderQueue()->clear();
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212 | sm->getRenderQueue()->addRenderable(fullScreenQuadEntity->getSubEntity(0));
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213 | sm->setFindVisibleObjects(false);
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214 | target->update();
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215 | sm->setFindVisibleObjects(true);
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216 | }
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217 |
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218 | void OgreRenderingRun::renderFullscreenGrid(String& materialName, RenderTarget* rt, int width, int height)
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219 | {
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220 | SceneManager* sm = Root::getSingleton()._getCurrentSceneManager();
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221 |
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222 | if(this->fullscreenGrid == NULL)
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223 | {
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224 | MeshPtr mesh = MeshManager::getSingleton().createManual("FullScreenGrid",ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
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225 | SubMesh* subMesh = mesh->createSubMesh();
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226 |
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227 | mesh->sharedVertexData = new VertexData();
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228 | VertexData* vertexData = mesh->sharedVertexData;
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229 |
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230 | // define the vertex format
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231 | VertexDeclaration* vertexDecl = vertexData->vertexDeclaration;
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232 | size_t currOffset = 0;
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233 | // positions
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234 | vertexDecl->addElement(0, currOffset, VET_FLOAT3, VES_POSITION);
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235 | currOffset += VertexElement::getTypeSize(VET_FLOAT3);
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236 |
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237 | // allocate the vertex buffer
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238 | vertexData->vertexCount = width * height;
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239 | HardwareVertexBufferSharedPtr vBuf = HardwareBufferManager::getSingleton().createVertexBuffer(vertexDecl->getVertexSize(0), vertexData->vertexCount, HardwareBuffer::HBU_STATIC_WRITE_ONLY, false);
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240 | VertexBufferBinding* binding = vertexData->vertexBufferBinding;
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241 | binding->setBinding(0, vBuf);
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242 | float* pVertex = static_cast<float*>(vBuf->lock(HardwareBuffer::HBL_DISCARD));
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243 |
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244 | // allocate index buffer
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245 | subMesh->indexData->indexCount = 6 * (width - 1) * (height - 1);
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246 | subMesh->indexData->indexBuffer = HardwareBufferManager::getSingleton().createIndexBuffer(HardwareIndexBuffer::IT_16BIT, subMesh->indexData->indexCount, HardwareBuffer::HBU_STATIC_WRITE_ONLY, false);
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247 | HardwareIndexBufferSharedPtr iBuf = subMesh->indexData->indexBuffer;
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248 | unsigned short* pIndices = static_cast<unsigned short*>(iBuf->lock(HardwareBuffer::HBL_DISCARD));
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249 |
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250 | unsigned short wVerticeIndex = 0 ;
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251 |
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252 |
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253 | for( int j = 0; j < height; j++ )
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254 | {
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255 | for( int i = 0; i < width; i++ )
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256 | { //positions
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257 | float x = ((float)i + 0.5) / (float) width;
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258 | float y = ((float)j + 0.5) / (float) height;
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259 | *pVertex++ = x;
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260 | *pVertex++ = y;
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261 | *pVertex++ = 0;
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262 |
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263 | //indexes
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264 | if( j < height - 1 && i < width -1 )
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265 | {
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266 | *pIndices++ = j * width + i;
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267 | *pIndices++ = (j + 1) * width + i;
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268 | *pIndices++ = j * width + i + 1;
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269 | *pIndices++ = j * width + i + 1;
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270 | *pIndices++ = (j + 1) * width + i;
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271 | *pIndices++ = (j + 1) * width + i + 1;
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272 | }
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273 |
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274 | }
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275 | }
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276 |
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277 | // Unlock
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278 | vBuf->unlock();
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279 | iBuf->unlock();
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280 | // Generate face list
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281 | subMesh->useSharedVertices = true;
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282 |
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283 | // this line makes clear the mesh is loaded (avoids memory leaks)
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284 | mesh->load();
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285 |
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286 | fullscreenGrid = sm->createEntity("FullScreenGridEntity", "FullScreenGrid");
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287 | SceneNode* n = sm->getRootSceneNode()->createChildSceneNode("FullScreenGridNode");
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288 | n->attachObject(fullscreenGrid);
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289 | fullscreenGrid->setVisible(false);
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290 | }
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291 |
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292 | fullscreenGrid->setMaterialName(materialName);
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293 |
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294 | sm->getRenderQueue()->clear();
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295 | sm->getRenderQueue()->addRenderable(fullscreenGrid->getSubEntity(0));
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296 | sm->setFindVisibleObjects(false);
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297 | rt->update();
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298 | sm->setFindVisibleObjects(true);
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299 |
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300 | }
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301 |
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302 | void OgreRenderingRun::renderPixelSprites(String& materialName, RenderTarget* rt, int width, int height)
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303 | {
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304 | SceneManager* sm = Ogre::Root::getSingleton()._getCurrentSceneManager();
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305 |
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306 | if(pixelSprites == 0)
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307 | {
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308 | int resolutionX = width;
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309 | int resolutionY = height;
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310 | pixelSprites = new BillboardSet(spriteSetName, resolutionX * resolutionY, true);
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311 | pixelSprites->setBillboardsInWorldSpace(true);
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312 | pixelSprites->setCullIndividually(false);
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313 | pixelSprites->setPointRenderingEnabled(true);
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314 | //pixelSprites->setDefaultDimensions(1.0 / (float) resolutionX, 1.0 / resolutionY);
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315 | pixelSprites->beginBillboards();
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316 | for(int i = 0; i < resolutionX; i++)
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317 | {
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318 | for(int j = 0; j < resolutionY; j++)
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319 | {
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320 | Billboard bb( Vector3(
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321 | ( (float)i + 0.5 )/ (float) resolutionX, //position x
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322 | ( (float)j + 0.5 )/ (float) resolutionY, //position y
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323 | 0),
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324 | pixelSprites);
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325 | bb.setDimensions(1.0 / (float) resolutionX, 1.0 / resolutionY);
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326 | pixelSprites->injectBillboard(bb);
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327 | }
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328 | }
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329 | pixelSprites->endBillboards();
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330 |
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331 | sm->getRootSceneNode()->attachObject(pixelSprites);
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332 |
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333 | pixelSprites->setVisible(false);
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334 | }
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335 |
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336 | pixelSprites->setMaterialName(materialName);
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337 |
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338 | sm->getRenderQueue()->clear();
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339 | sm->getRenderQueue()->addRenderable(pixelSprites);
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340 | sm->setFindVisibleObjects(false);
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341 | rt->update();
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342 | sm->setFindVisibleObjects(true);
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343 |
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344 | }
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345 |
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