1 | #include "dxstdafx.h"
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2 | #include ".\subentity.h"
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3 | #include "Entity.h"
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4 | #include "SubMesh.h"
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5 | #include "Mesh.h"
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6 | #include "PathMapEffect.h"
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7 | #include "DepthRenderStrategy.h"
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8 | #include "Radion.hpp"
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9 | #include "Transformed.h"
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10 | #include "L.h"
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11 | #include <queue>
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12 | #include <fstream>
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13 |
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14 | #define NFINDNEARSAMPLES 100
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15 |
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16 | SubEntity::SubEntity(Entity* parent, SubMesh* subMesh, int nNearClusters)
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17 | {
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18 | this->parent = parent;
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19 | this->subMesh = subMesh;
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20 | this->nNearClusters = nNearClusters;
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21 |
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22 | LPDIRECT3DDEVICE9 device = subMesh->parent->pathMapEffect->device;
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23 |
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24 | prmxres = subMesh->parent->prmAtlasSize * nNearClusters;
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25 | prmyres = subMesh->parent->prmAtlasSize;
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26 | while(prmxres > 4096)
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27 | {
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28 | prmxres /= 2;
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29 | prmyres *= 2;
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30 | if(prmyres > 4096)
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31 | {
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32 | MessageBoxA( NULL, "PRM too big", "Error", MB_OK);
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33 | exit(-1);
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34 | }
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35 | }
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36 |
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37 | device->CreateTexture(prmxres, prmyres, 1, D3DUSAGE_RENDERTARGET,D3DFMT_A16B16G16R16F,D3DPOOL_DEFAULT,&prmTexture,NULL);
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38 | prmTexture->GetSurfaceLevel(0,&prmSurface);
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39 |
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40 | createRayTraceEntity();
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41 | }
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42 |
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43 | SubEntity::~SubEntity(void)
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44 | {
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45 | prmTexture->Release();
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46 | prmSurface->Release();
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47 | delete rayTraceEntity;
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48 | }
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49 |
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50 | void SubEntity::createRayTraceEntity()
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51 | {
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52 | if(subMesh->rayTraceMesh)
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53 | {
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54 | rayTraceEntity = new Transformed(subMesh->rayTraceMesh);
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55 | rayTraceEntity->setTransforms(parent->modelWorldTransform, parent->inverseTransposedModelWorldTransform);
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56 | }
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57 | else
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58 | rayTraceEntity = NULL;
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59 |
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60 | }
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61 |
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62 | void SubEntity::renderPRM( std::vector<Radion>& clusterRadions, unsigned int clusterId )
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63 | {
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64 | LPDIRECT3DDEVICE9 device = subMesh->parent->pathMapEffect->device;
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65 | LPD3DXEFFECT effect = subMesh->parent->pathMapEffect->effect;
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66 |
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67 | HRESULT hr; UINT nPasses=1;
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68 |
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69 | //# clusterId -> nearestIdx
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70 | int radinx = 0xffffff;
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71 | for(int i=0; i<nNearClusters; i++)
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72 | if(nearClusterIndices[i] == clusterId)
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73 | radinx = i;
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74 | if(radinx == 0xffffff)
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75 | return;
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76 |
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77 | /* if(clusterId != 0)
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78 | return;*/
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79 |
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80 | hr = device->SetRenderTarget(0, prmSurface);
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81 | int tilex = radinx % (prmxres / subMesh->parent->prmAtlasSize);
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82 | int tiley = radinx / (prmxres / subMesh->parent->prmAtlasSize);
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83 |
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84 | D3DVIEWPORT9 vp, defaultViewPort;
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85 | vp.X = tilex * subMesh->parent->prmAtlasSize; vp.Y = tiley * subMesh->parent->prmAtlasSize;
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86 | vp.Width = vp.Height = subMesh->parent->prmAtlasSize;
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87 | vp.MinZ = 0.0; vp.MaxZ = 1.0;
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88 |
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89 | defaultViewPort.X = defaultViewPort.Y = 0;
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90 | defaultViewPort.Width = defaultViewPort.Height = subMesh->parent->pathMapEffect->DEPTHMAPRES;
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91 |
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92 | //clear everything
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93 | device->SetRenderTarget(0, prmSurface);
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94 | device->SetDepthStencilSurface(NULL);
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95 | device->SetViewport(&vp);
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96 |
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97 | DWORD ccol = D3DCOLOR_RGBA(0,0,0,0);
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98 | device->Clear( 0, NULL, D3DCLEAR_TARGET,
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99 | ccol, 1.0f, 0 );
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100 |
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101 | unsigned int nRadions = clusterRadions.size();
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102 | for(int ir=0; ir < nRadions; ir++)
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103 | {
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104 | device->SetViewport(&defaultViewPort);
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105 | DepthRenderStrategy depthRenderStrategy(subMesh->parent->pathMapEffect);
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106 |
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107 | depthRenderStrategy.camera.SetViewParams((D3DXVECTOR3*)&clusterRadions[ir].position, (D3DXVECTOR3*)&(clusterRadions[ir].position + clusterRadions[ir].normal));
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108 | depthRenderStrategy.camera.SetProjParams( D3DX_PI/1.9, 1.0f, 0.1f, 300.0f ); //#WARN scene size!
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109 |
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110 | subMesh->parent->pathMapEffect->renderScene(depthRenderStrategy);
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111 |
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112 | // blend-add contribution of virtual light source to PRM
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113 | device->SetRenderTarget(0, prmSurface);
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114 | device->SetDepthStencilSurface(NULL);
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115 | device->SetViewport(&vp);
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116 | device->SetRenderState(D3DRS_CULLMODE, D3DCULL_NONE);
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117 | device->SetRenderState(D3DRS_ALPHABLENDENABLE, true);
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118 | device->SetRenderState(D3DRS_SRCBLEND, D3DBLEND_ONE);
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119 | device->SetRenderState(D3DRS_DESTBLEND, D3DBLEND_ONE);
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120 | device->SetRenderState(D3DRS_BLENDOP, D3DBLENDOP_ADD);
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121 | device->SetRenderState(D3DRS_ZENABLE, D3DZB_FALSE);
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122 |
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123 | if( SUCCEEDED( device->BeginScene() ) )
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124 | {
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125 | Radion radion = clusterRadions[ir];
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126 |
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127 | if( effect != NULL ){
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128 | D3DXHANDLE hTechnique = effect->GetTechniqueByName((LPSTR)"BushToAtlas");
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129 | if(hTechnique==NULL){
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130 | return;
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131 | }
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132 | effect->SetTechnique( hTechnique );
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133 |
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134 | effect->Begin( &nPasses, 0 );
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135 | for(UINT j=0;j<nPasses;j++){
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136 | effect->BeginPass(j);
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137 |
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138 | hr=effect->SetFloatArray("lightPos", (float*)&clusterRadions[ir].position, 3);
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139 | hr=effect->SetFloatArray("lightDir", (float*)&clusterRadions[ir].normal, 3);
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140 | static float opttme[9] = {0.5f, 0.0f, 0.0f,
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141 | 0.0f, -0.5f, 0.0f,
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142 | 0.5f + (0.5f / subMesh->parent->pathMapEffect->DEPTHMAPRES), 0.5f + (0.5f / subMesh->parent->pathMapEffect->DEPTHMAPRES), 1.0f};
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143 | effect->SetTexture("depthMap", subMesh->parent->pathMapEffect->depthMapTexture);
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144 |
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145 | float acs = 4096.0f / nRadions;
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146 | effect->SetFloat("alphaCounterStep", acs);
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147 |
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148 | Vector bb0 = this->rayTraceEntity->bbox.minPoint;
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149 | Vector bb1 = this->rayTraceEntity->bbox.maxPoint;
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150 | float nne = 5.0f / clusterRadions[ir].probability;
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151 | effect->SetFloat("cutNearness2", nne);
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152 |
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153 | //set global params
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154 | effect->SetFloatArray("occProjToTexMatrix", opttme, 9);
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155 | effect->SetMatrix("occWorldToProjMatrix", &(*depthRenderStrategy.camera.GetViewMatrix() * *depthRenderStrategy.camera.GetProjMatrix()));
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156 | effect->SetMatrix("modelToWorldMatrix", &(parent->modelWorldTransform));
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157 | effect->SetMatrix("inverseTransposedModelToWorldMatrix", &(parent->inverseTransposedModelWorldTransform));
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158 | Vector scaledPower = clusterRadions[ir].radiance;
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159 | hr=effect->SetFloatArray("lightPower", (float*)&scaledPower, 3);
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160 |
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161 | effect->CommitChanges();
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162 | subMesh->drawToAtlas();
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163 |
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164 | effect->EndPass();
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165 | }
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166 | effect->End();
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167 | }
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168 | device->EndScene();
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169 |
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170 | }
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171 | device->SetRenderState(D3DRS_CULLMODE, D3DCULL_CCW);
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172 | device->SetRenderState(D3DRS_ALPHABLENDENABLE, false);
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173 | device->SetRenderState(D3DRS_ZENABLE, D3DZB_TRUE);
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174 | }
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175 | }
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176 |
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177 | void SubEntity::normalizePRM()
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178 | {
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179 | LPDIRECT3DDEVICE9 device = subMesh->parent->pathMapEffect->device;
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180 | LPD3DXEFFECT effect = subMesh->parent->pathMapEffect->effect;
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181 |
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182 | device->SetRenderTarget(0, prmSurface);
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183 | device->SetDepthStencilSurface(NULL);
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184 |
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185 | device->SetRenderState(D3DRS_ZENABLE, D3DZB_FALSE);
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186 | if( SUCCEEDED( device->BeginScene() ) )
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187 | {
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188 | HRESULT dfdghr = effect->SetTechnique("NormalizePRM");
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189 | UINT nPasses;
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190 | effect->Begin(&nPasses, 0);
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191 | effect->BeginPass(0);
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192 |
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193 | dfdghr = effect->SetTexture("atlas", prmTexture);
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194 | effect->CommitChanges();
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195 |
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196 | subMesh->parent->pathMapEffect->renderFullScreen();
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197 |
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198 | effect->EndPass();
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199 | effect->End();
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200 | device->EndScene();
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201 | }
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202 | device->SetRenderState(D3DRS_ZENABLE, D3DZB_TRUE);
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203 | }
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204 |
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205 | void SubEntity::clearPRM()
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206 | {
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207 | LPDIRECT3DDEVICE9 device = subMesh->parent->pathMapEffect->device;
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208 | LPD3DXEFFECT effect = subMesh->parent->pathMapEffect->effect;
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209 |
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210 | device->SetRenderTarget(0, prmSurface);
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211 | device->SetDepthStencilSurface(NULL);
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212 |
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213 | device->Clear(0, NULL, D3DCLEAR_TARGET, D3DCOLOR_ARGB(0, 0, 0, 0), 1.0, 0);
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214 | }
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215 |
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216 | struct ClusterDist2{
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217 | unsigned int index;
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218 | double dist2;
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219 | ClusterDist2(unsigned int index, double dist2) {this->index = index; this->dist2 = dist2;}
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220 | bool operator<(const ClusterDist2& o) const {return dist2 > o.dist2;}
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221 | bool operator>(const ClusterDist2& o) const {return dist2 < o.dist2;}
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222 | bool operator<=(const ClusterDist2& o) const {return dist2 >= o.dist2;}
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223 | bool operator>=(const ClusterDist2& o) const {return dist2 <= o.dist2;}
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224 | };
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225 |
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226 |
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227 | void SubEntity::findNearClusters(const std::vector<Radion>& starters, unsigned int nClusters)
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228 | {
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229 | D3DXVECTOR3 cc = (D3DXVECTOR3&)rayTraceEntity->bbox.getCentre();
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230 |
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231 | Radion slabRadions[NFINDNEARSAMPLES];
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232 | for(int c=0; c < NFINDNEARSAMPLES; c++)
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233 | {
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234 | rayTraceEntity->sampleSurface(slabRadions[c]);
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235 | }
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236 |
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237 | std::priority_queue<ClusterDist2> nearestClusterDists;
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238 |
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239 | unsigned int iRadion = 0;
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240 | for(unsigned int iCluster = 0; iCluster < subMesh->parent->pathMapEffect->NCLUSTERS; iCluster++)
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241 | {
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242 | unsigned int nRadionsPerCluster = subMesh->parent->pathMapEffect->clusterLenghts[iCluster];
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243 | double ffsum = 0.0;
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244 | for(unsigned int iric=0; iric < nRadionsPerCluster; iric++, iRadion++)
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245 | {
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246 | for(int ci=0; ci<NFINDNEARSAMPLES; ci++)
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247 | {
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248 | //ffsum += starters[iRadion].getFormFactorTo(slabRadions[ci]);
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249 | ffsum += 1.0 / (starters[iRadion].position - slabRadions[ci].position).norm2();
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250 | }
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251 | }
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252 | nearestClusterDists.push( ClusterDist2(iCluster, nRadionsPerCluster / ffsum) );
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253 | }
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254 | for(unsigned int i=0; i<nNearClusters; i++)
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255 | {
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256 | // nearClusterIndices[i] = nNearClusters - 1 - i;
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257 | nearClusterIndices[i] = nearestClusterDists.top().index;
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258 | nearestClusterDists.pop();
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259 | }
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260 | }
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261 |
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262 | void SubEntity::draw(const RenderStrategy& renderStrategy)
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263 | {
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264 | renderStrategy.applyTextures(this);
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265 | subMesh->draw();
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266 | }
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267 |
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268 | float SubEntity::getSurfaceArea()
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269 | {
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270 | return rayTraceEntity->getSurfaceArea();
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271 | }
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272 |
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273 | void SubEntity::savePRM()
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274 | {
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275 | char prmFileName[300];
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276 | sprintf(prmFileName, "%s_%d.hdr", parent->prmFileName, subMesh->subsetId);
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277 | D3DXSaveSurfaceToFile(L::l+prmFileName, D3DXIFF_HDR, prmSurface, NULL, NULL);
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278 | }
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279 |
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280 | void SubEntity::loadPRM()
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281 | {
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282 | char prmFileName[300];
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283 | sprintf(prmFileName, "%s_%d.hdr", parent->prmFileName, subMesh->subsetId);
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284 | D3DXLoadSurfaceFromFile(prmSurface, NULL, NULL, L::l+prmFileName, NULL, D3DX_DEFAULT, 0, NULL);
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285 | }
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286 |
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287 | Intersectable* SubEntity::getRayTraceEntity()
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288 | {
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289 | return rayTraceEntity;
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290 | }
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291 |
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292 | const Material* SubEntity::sampleSurface(Radion& sample)
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293 | {
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294 | rayTraceEntity->sampleSurface(sample);
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295 | return rayTraceEntity->getMaterial();
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296 | }
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297 |
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298 | void SubEntity::saveSceneInfo(std::ofstream& psf)
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299 | {
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300 | psf << "\t\tsubentity " << subMesh->subsetId << " clusters ";
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301 | for(int buu=0; buu<nNearClusters; buu++)
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302 | psf << nearClusterIndices[buu] << ' ';
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303 | psf << '\n';
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304 | } |
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