1 | |
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2 | #include "LBBCBillboardCloudDiffuseColorTextureViewMode.h" |
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3 | #include "LBBCLeaves.h" |
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4 | #include "LBBCManager.h" |
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5 | |
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6 | namespace LBBC { |
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7 | |
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8 | BillboardCloudDiffuseColorTextureViewMode::BillboardCloudDiffuseColorTextureViewMode(Ogre::RenderWindow* win, unsigned int ogreFrameListenerModeHandle, bool useBufferedInputKeys, bool useBufferedInputMouse) |
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9 | :OBA::OgreFrameListenerMode(win, ogreFrameListenerModeHandle, useBufferedInputKeys, useBufferedInputMouse) |
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10 | { |
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11 | mFrame = 0; |
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12 | mCurrentBillboardGroup = 0; |
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13 | mCurrentBillboard = 0; |
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14 | showDebugOverlay(false); |
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15 | mDebugBillboardGeneration = false; |
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16 | mDebugTextureAtlasGeneration = false; |
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17 | } |
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18 | |
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19 | BillboardCloudDiffuseColorTextureViewMode::~BillboardCloudDiffuseColorTextureViewMode() |
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20 | { |
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21 | |
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22 | } |
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23 | |
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24 | |
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25 | void BillboardCloudDiffuseColorTextureViewMode::setBillboardCloudGroupedTextureAtlasDebug(bool debugTextureAtlasGeneration) |
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26 | { |
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27 | mDebugTextureAtlasGeneration = debugTextureAtlasGeneration; |
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28 | } |
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29 | |
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30 | void BillboardCloudDiffuseColorTextureViewMode::configureBillboardOrthogonalAlignedCamera(unsigned int iBillboard)
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31 | {
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32 | BBC::BillboardPtr billboardPtr = ((LBBC::LBBCManager*)LBBC::LBBCManager::getSingletonPtr())->getLeaves()->getBillboardCloud()->getBillboard(iBillboard);
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33 | Ogre::Vector3 vTopLeft = billboardPtr->getBillboardClusterData()->getQuadTopLeftCorner();
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34 | Ogre::Vector3 vTopRight = billboardPtr->getBillboardClusterData()->getQuadTopRightCorner();
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35 | Ogre::Vector3 vBottomLeft = billboardPtr->getBillboardClusterData()->getQuadBottomLeftCorner();
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36 | Ogre::Vector3 vBottomRight = billboardPtr->getBillboardClusterData()->getQuadBottomRightCorner();
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37 |
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38 | Ogre::Vector3 vMidPoint = vTopLeft.midPoint(vBottomRight);
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39 | Ogre::Vector3 vWidth(vTopRight - vTopLeft);
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40 | Ogre::Vector3 vHeight(vBottomLeft - vTopLeft);
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41 |
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42 | Ogre::Real w = vWidth.length();
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43 | Ogre::Real h = vHeight.length();
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44 | Ogre::Real aspect = w / h;
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45 | Ogre::Radian fovy = Ogre::Radian(Ogre::Degree(90.0));
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46 | Ogre::Real nearPlane = h / Ogre::Math::Tan(fovy/2.0,false);
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47 | Ogre::Real farPlane = 100000;
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48 |
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49 | Ogre::Vector3 vUp = vTopLeft - vBottomLeft;
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50 | vUp.normalise();
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51 |
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52 | Ogre::Vector3 vI(vTopRight-vTopLeft);
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53 | vI.normalise();
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54 |
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55 | Ogre::Vector3 vJ(vBottomLeft-vTopLeft);
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56 | vJ.normalise();
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57 |
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58 | Ogre::Vector3 vDir = -vI.crossProduct(vJ);
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59 | vDir.normalise();
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60 |
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61 | Ogre::Vector3 vRight = vDir.crossProduct(vUp);
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62 | vRight.normalise();
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63 |
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64 | Ogre::Quaternion qOrientation(vRight, vUp, -vDir);
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65 |
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66 | mCamera->setNearClipDistance(nearPlane);
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67 | mCamera->setOrientation(qOrientation);
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68 | mCamera->setPosition(vMidPoint - (vDir * (nearPlane*nearPlane)));
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69 |
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70 | if (Ogre::Root::getSingleton().getRenderSystem()->getName() != "Direct3D9 Rendering SubSystem")
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71 | {
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72 | Ogre::Radian thetaY (fovy / 2.0f);
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73 | Ogre::Real tanThetaY = Ogre::Math::Tan(thetaY);
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74 |
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75 | Ogre::Real tanThetaX = tanThetaY * aspect;
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76 |
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77 | Ogre::Real half_w,half_h;
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78 | half_w = w / 2.0;
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79 | half_h = h / 2.0;
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80 |
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81 | Ogre::Real iw = 1.0 / half_w;
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82 | Ogre::Real ih = 1.0 / half_h;
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83 | Ogre::Real q;
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84 | if (farPlane == 0)
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85 | {
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86 | q = 0;
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87 | }
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88 | else
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89 | {
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90 | q = 2.0 / (farPlane - nearPlane);
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91 | }
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92 | mCustomProjMatrix = Ogre::Matrix4::ZERO;
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93 | mCustomProjMatrix[0][0] = iw;
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94 | mCustomProjMatrix[1][1] = ih;
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95 | mCustomProjMatrix[2][2] = -q;
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96 | mCustomProjMatrix[2][3] = - (farPlane + nearPlane)/(farPlane - nearPlane);
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97 | mCustomProjMatrix[3][3] = 1;
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98 | }
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99 | else
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100 | {
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101 | Ogre::Radian thetaY (fovy / 2.0f);
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102 | Ogre::Real tanThetaY = Ogre::Math::Tan(thetaY);
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103 |
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104 | //Real thetaX = thetaY * aspect;
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105 | Ogre::Real tanThetaX = tanThetaY * aspect; //Math::Tan(thetaX);
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106 | Ogre::Real half_w = w / 2;
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107 | Ogre::Real half_h = h / 2;
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108 | Ogre::Real iw = 1.0 / half_w;
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109 | Ogre::Real ih = 1.0 / half_h;
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110 | Ogre::Real q;
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111 | if (farPlane == 0)
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112 | {
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113 | q = 0;
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114 | }
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115 | else
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116 | {
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117 | q = 1.0 / (farPlane - nearPlane);
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118 | }
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119 |
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120 | mCustomProjMatrix = Ogre::Matrix4::ZERO;
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121 | mCustomProjMatrix[0][0] = iw;
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122 | mCustomProjMatrix[1][1] = ih;
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123 | mCustomProjMatrix[2][2] = q;
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124 | mCustomProjMatrix[2][3] = -nearPlane / (farPlane - nearPlane);
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125 | mCustomProjMatrix[3][3] = 1;
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126 |
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127 | mCustomProjMatrix[2][2] = -mCustomProjMatrix[2][2];
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128 | }
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129 | }
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130 |
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131 | void BillboardCloudDiffuseColorTextureViewMode::saveTextureAtlas()
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132 | {
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133 | if (mBitRange == 32)
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134 | {
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135 | mDestPixelFormat = Ogre::PF_FLOAT32_RGBA;
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136 | }
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137 | else if (mBitRange == 16)
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138 | {
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139 | mDestPixelFormat = Ogre::PF_FLOAT16_RGBA;
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140 | }
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141 | else // mBitRange == 8
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142 | {
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143 | mDestPixelFormat = Ogre::PF_BYTE_RGBA;
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144 | }
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145 |
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146 | Ogre::String textureAtlasFileName = BBC::Util::getBaseName(mTextureAtlasName) + Ogre::StringConverter::toString(mCurrentBillboardGroup) + "." + BBC::Util::getExtensionName(mTextureAtlasName);
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147 | mTextureAtlas->save(mTextureAtlasFolder, textureAtlasFileName, mDestPixelFormat);
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148 | }
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149 |
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150 | void BillboardCloudDiffuseColorTextureViewMode::disableEntityClusterCustomOrthogonalCameraMaterial(unsigned int iEntityClusterGrouped)
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151 | {
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152 | //mEntityClustersGrouped->getSubEntity(iEntityClusterGrouped)->getMaterial()->getTechnique(0)->getPass(0)->setVertexProgram("");
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153 | //mEntityClustersGrouped->getSubEntity(iEntityClusterGrouped)->getMaterial()->getTechnique(0)->getPass(0)->setFragmentProgram("");
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154 | //mEntityClustersGrouped->getSubEntity(iEntityClusterGrouped)->getMaterial()->reload();
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155 | }
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156 |
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157 | void BillboardCloudDiffuseColorTextureViewMode::enableEntityClusterCustomOrthogonalCameraMaterial(unsigned int iEntityClusterGrouped)
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158 | {
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159 | //mEntityClustersGrouped->getSubEntity(iEntityClusterGrouped)->getMaterial()->getTechnique(0)->getPass(0)->setVertexProgram("diffuseTextureScreenAligned_VP20");
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160 | mEntityClustersGrouped->getSubEntity(iEntityClusterGrouped)->getMaterial()->getTechnique(0)->getPass(0)->setFragmentProgram("diffuseTextureScreenAligned_FP20"); |
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161 |
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162 | //Ogre::GpuProgramParametersSharedPtr vertParams;
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163 | //Ogre::GpuProgramParametersSharedPtr fragParams;
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164 | //vertParams = mEntityClustersGrouped->getSubEntity(iEntityClusterGrouped)->getMaterial()->getTechnique(0)->getPass(0)->getVertexProgramParameters();
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165 | //fragParams = mEntityClustersGrouped->getSubEntity(iEntityClusterGrouped)->getMaterial()->getTechnique(0)->getPass(0)->getFragmentProgramParameters();
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166 |
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167 | //vertParams->setNamedConstant("projectionmatrix", mCamera->getProjectionMatrixWithRSDepth());
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168 | //vertParams->setNamedAutoConstant("worldmatrix", Ogre::GpuProgramParameters::ACT_WORLD_MATRIX);
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169 | //vertParams->setNamedAutoConstant("viewmatrix", Ogre::GpuProgramParameters::ACT_VIEW_MATRIX);
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170 | //mEntityClustersGrouped->getSubEntity(iEntityClusterGrouped)->getMaterial()->reload();
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171 | }
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172 |
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173 | void BillboardCloudDiffuseColorTextureViewMode::configureTexture()
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174 | {
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175 | mTextureAtlas->getRectangle2D()->setVisible(false);
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176 | mEntityClustersGrouped->getSubEntity((mCurrentTexture-1) % mEntityClustersGrouped->getNumSubEntities())->setVisible(false); |
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177 | mEntityClustersGrouped->getSubEntity(mCurrentTexture % mEntityClustersGrouped->getNumSubEntities())->setVisible(true); |
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178 | |
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179 | configureBillboardOrthogonalAlignedCamera(mCurrentTexture % mBillboardCloudSplitted->getNumSubEntities()); |
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180 | mCamera->setCustomProjectionMatrix(true,mCustomProjMatrix);
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181 |
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182 | if (mDebugTextureAtlasGeneration)
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183 | {
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184 | mClusterTexture->getMaterial()->getTechnique(0)->getPass(0)->setAmbient(Ogre::Math::RangeRandom(0.0,1.0), Ogre::Math::RangeRandom(0.0,1.0), Ogre::Math::RangeRandom(0.0,1.0));
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185 | mClusterTexture->getMaterial()->getTechnique(0)->getPass(0)->setDiffuse(Ogre::Math::RangeRandom(0.0,1.0), Ogre::Math::RangeRandom(0.0,1.0), Ogre::Math::RangeRandom(0.0,1.0), 1.0);
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186 | }
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187 | }
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188 |
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189 | void BillboardCloudDiffuseColorTextureViewMode::generateTexture()
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190 | {
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191 | configureTexture(); |
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192 | |
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193 | enableEntityClusterCustomOrthogonalCameraMaterial(mCurrentTexture % mEntityClustersGrouped->getNumSubEntities()); |
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194 |
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195 | mClusterTexture->update();
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196 |
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197 | disableEntityClusterCustomOrthogonalCameraMaterial(mCurrentTexture % mEntityClustersGrouped->getNumSubEntities());
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198 | }
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199 |
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200 | void BillboardCloudDiffuseColorTextureViewMode::initializeEntityClustersGrouped()
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201 | {
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202 | if (mFrame == 1) |
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203 | { |
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204 | for (unsigned int iSubEntity = 0; iSubEntity < mEntityClustersGrouped->getNumSubEntities(); iSubEntity++) |
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205 | { |
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206 | mEntityClustersGrouped->getSubEntity(iSubEntity)->setVisible(false); |
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207 | } |
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208 | }
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209 | }
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210 |
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211 | void BillboardCloudDiffuseColorTextureViewMode::initializeBillboardCloudSplitted()
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212 | {
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213 | if (mFrame == 1) |
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214 | { |
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215 | ((LBBC::LBBCManager*)LBBC::LBBCManager::getSingletonPtr())->loadBillboardCloudGroupedDiffuseColorXML(); |
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216 | for (unsigned int iSubEntity = 0; iSubEntity < mBillboardCloudSplitted->getNumSubEntities(); iSubEntity++) |
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217 | {
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218 | mBillboardCloudSplitted->getSubEntity(iSubEntity)->setVisible(false);
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219 | }
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220 | }
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221 | }
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222 |
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223 | bool BillboardCloudDiffuseColorTextureViewMode::processUnbufferedKeyInput(const Ogre::FrameEvent& evt)
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224 | {
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225 | if (mInputDevice->isKeyDown(Ogre::KC_SPACE))
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226 | {
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227 | mCurrentTexture++;
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228 | }
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229 |
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230 | return OgreFrameListenerMode::processUnbufferedKeyInput(evt);
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231 | }
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232 |
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233 | void BillboardCloudDiffuseColorTextureViewMode::configureTextureAtlas()
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234 | {
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235 | mEntityClustersGrouped->getSubEntity(mCurrentTexture % mEntityClustersGrouped->getNumSubEntities())->setVisible(false);
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236 |
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237 | mClusterTexture->getRectangle2D()->setVisible(true);
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238 | mTextureAtlas->getRectangle2D()->setVisible(true);
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239 |
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240 | Ogre::Vector2 uvMapMax = ((LBBC::LBBCManager*)LBBC::LBBCManager::getSingletonPtr())->getLeaves()->getBillboardCloud()->getBillboard(mCurrentTexture % mEntityClustersGrouped->getNumSubEntities())->getBillboardClusterData()->getBillboardUVMapMax(0);
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241 | Ogre::Vector2 uvMapMin = ((LBBC::LBBCManager*)LBBC::LBBCManager::getSingletonPtr())->getLeaves()->getBillboardCloud()->getBillboard(mCurrentTexture % mEntityClustersGrouped->getNumSubEntities())->getBillboardClusterData()->getBillboardUVMapMin(0);
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242 |
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243 | mClusterTexture->setCorners(uvMapMin[0], uvMapMax[1], uvMapMax[0], uvMapMin[1]);
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244 | }
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245 |
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246 | void BillboardCloudDiffuseColorTextureViewMode::generateTextureAtlas()
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247 | {
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248 | configureTextureAtlas();
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249 |
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250 | mTextureAtlas->update();
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251 | //mTextureAtlas->debug();
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252 |
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253 | mClusterTexture->getRectangle2D()->setVisible(false);
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254 | }
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255 |
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256 | bool BillboardCloudDiffuseColorTextureViewMode::frameStarted(const Ogre::FrameEvent& evt, Ogre::InputReader *inputReader) |
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257 | { |
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258 | showDebugOverlay(false); |
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259 | initializeEntityClustersGrouped(); |
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260 | initializeBillboardCloudSplitted(); |
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261 | |
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262 | if (mFrame > 1) |
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263 | {
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264 | if (!mDebugBillboardGeneration)
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265 | {
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266 | mWindow->getViewport(0)->setBackgroundColour(Ogre::ColourValue(1.0, 1.0, 1.0, 1.0));
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267 |
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268 | if (mCurrentTexture < mNumTextures)
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269 | {
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270 | generateTexture();
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271 |
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272 | generateTextureAtlas();
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273 |
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274 | mCurrentTexture++;
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275 | mCurrentBillboard++;
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276 |
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277 | unsigned int numBillboardsCurrentGroups = ((LBBC::LBBCManager*)LBBC::LBBCManager::getSingletonPtr())->getLeaves()->getBillboardCloud()->getBillboardGroup(mCurrentBillboardGroup)->getNumBillboards();
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278 |
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279 | if (mCurrentBillboard == numBillboardsCurrentGroups)
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280 | {
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281 | saveTextureAtlas();
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282 |
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283 | unsigned int numBillboardGroups = ((LBBC::LBBCManager*)LBBC::LBBCManager::getSingletonPtr())->getLeaves()->getBillboardCloud()->getNumBillboardGroups();
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284 |
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285 | if (mCurrentBillboardGroup < numBillboardGroups)
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286 | {
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287 | mCurrentBillboard = 0;
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288 | mCurrentBillboardGroup++;
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289 |
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290 | mTextureAtlas->getRectangle2D()->setVisible(false);
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291 | mTextureAtlas->update();
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292 | //mTextureAtlas->debug();
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293 | }
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294 | }
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295 | }
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296 |
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297 | if (mCurrentTexture == mNumTextures) |
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298 | { |
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299 | mDebugBillboardGeneration = true; |
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300 |
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301 | mWindow->getViewport(0)->setBackgroundColour(Ogre::ColourValue(0.0, 0.0, 0.0, 1.0));
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302 |
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303 | mTextureAtlas->getRectangle2D()->setVisible(false);
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304 | |
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305 | mCurrentTexture = 0; |
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306 | }
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307 | }
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308 | else
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309 | {
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310 | mWindow->getViewport(0)->setBackgroundColour(Ogre::ColourValue(0.0, 0.0, 0.0, 1.0));
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311 |
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312 | configureBillboard();
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313 |
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314 | configureTexture();
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315 |
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316 | mCurrentTexture = mCurrentTexture % mNumTextures;
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317 | } |
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318 | } |
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319 | |
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320 | mFrame++; |
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321 | |
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322 | return OgreFrameListenerMode::frameStarted(evt, inputReader); |
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323 | } |
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324 | |
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325 | void BillboardCloudDiffuseColorTextureViewMode::configureBillboard() |
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326 | { |
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327 | mBillboardCloudSplitted->getSubEntity((mCurrentTexture-1) % mEntityClustersGrouped->getNumSubEntities())->setVisible(false);
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328 | mBillboardCloudSplitted->getSubEntity(mCurrentTexture % mEntityClustersGrouped->getNumSubEntities())->setVisible(true); |
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329 | } |
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330 | |
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331 | void BillboardCloudDiffuseColorTextureViewMode::setTextureAtlasSize(unsigned int size) |
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332 | { |
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333 | mTextureAtlasSize = size; |
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334 | } |
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335 | |
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336 | void BillboardCloudDiffuseColorTextureViewMode::setEntityClustersGroupedName(Ogre::String entityClustersGroupedName) |
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337 | { |
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338 | mEntityClustersGroupedName = entityClustersGroupedName; |
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339 | } |
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340 | |
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341 | void BillboardCloudDiffuseColorTextureViewMode::setBillboardCloudSplittedName(Ogre::String billboardCloudSplittedName) |
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342 | { |
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343 | mBillboardCloudSplittedName = billboardCloudSplittedName; |
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344 | } |
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345 | |
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346 | void BillboardCloudDiffuseColorTextureViewMode::setTextureAtlasBitRange(unsigned int bitRange) |
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347 | { |
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348 | mBitRange = bitRange; |
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349 | } |
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350 | |
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351 | void BillboardCloudDiffuseColorTextureViewMode::setTextureSize(unsigned int size) |
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352 | { |
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353 | mTextureSize = size; |
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354 | } |
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355 | |
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356 | void BillboardCloudDiffuseColorTextureViewMode::setTextureAtlasFolder(Ogre::String textureAtlasFolder) |
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357 | { |
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358 | mTextureAtlasFolder = textureAtlasFolder; |
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359 | } |
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360 |
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361 | void BillboardCloudDiffuseColorTextureViewMode::setTextureAtlasName(Ogre::String textureAtlasName)
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362 | {
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363 | mTextureAtlasName = textureAtlasName;
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364 | } |
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365 | |
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366 | void BillboardCloudDiffuseColorTextureViewMode::setTextureName(Ogre::String textureName) |
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367 | { |
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368 | mTextureName = textureName; |
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369 | } |
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370 | |
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371 | void BillboardCloudDiffuseColorTextureViewMode::createScene() |
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372 | { |
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373 | if (mBitRange == 32)
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374 | {
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375 | mSrcPixelFormat = Ogre::PF_FLOAT32_RGBA;
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376 | }
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377 | else if (mBitRange == 16)
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378 | {
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379 | mSrcPixelFormat = Ogre::PF_FLOAT16_RGBA;
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380 | }
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381 | else // mBitRange == 8
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382 | {
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383 | mSrcPixelFormat = Ogre::PF_A8R8G8B8;
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384 | } |
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385 | |
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386 | IMG::TexturePtr texturePtr ( new IMG::Texture() );
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387 | texturePtr->bind(mTextureName);
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388 | Ogre::ColourValue avgColour = texturePtr->getAvgColour();
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389 | mWindow->getViewport(0)->setBackgroundColour(Ogre::ColourValue(1.0, 1.0, 1.0, 1.0));
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390 | |
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391 | mEntityClustersGroupedSceneNode = mSceneMgr->getRootSceneNode()->createChildSceneNode();
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392 | mBillboardCloudSplittedSceneNode = mSceneMgr->getRootSceneNode()->createChildSceneNode();
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393 |
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394 | mEntityClustersGrouped = mSceneMgr->createEntity(mEntityClustersGroupedName, mEntityClustersGroupedName);
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395 | mEntityClustersGroupedSceneNode->attachObject(mEntityClustersGrouped); |
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396 | |
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397 | mBillboardCloudSplitted = mSceneMgr->createEntity(mBillboardCloudSplittedName, mBillboardCloudSplittedName);
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398 | mBillboardCloudSplittedSceneNode->attachObject(mBillboardCloudSplitted); |
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399 | |
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400 | mTextureAtlas = IMG::TextureAtlasPtr( new IMG::TextureAtlas() );
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401 | mTextureAtlas->create("TextureAtlasDiffuseColor", mTextureAtlasSize, mTextureAtlasSize, mSrcPixelFormat, mCamera, avgColour);
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402 | mTextureAtlas->setTextureAtlasSceneNode(mEntityClustersGroupedSceneNode);
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403 | Ogre::MaterialPtr materialPtr1 = Ogre::MaterialManager::getSingleton().create("DiffuseColorTextureAtlasMaterial", Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
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404 | materialPtr1->getTechnique(0)->getPass(0)->setAlphaRejectSettings(Ogre::CMPF_GREATER_EQUAL, 10);
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405 | materialPtr1->getTechnique(0)->getPass(0)->createTextureUnitState("transparent.png"); |
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406 | materialPtr1->getTechnique(0)->getPass(0)->getTextureUnitState(0)->setTextureFiltering(Ogre::FO_NONE, Ogre::FO_NONE, Ogre::FO_NONE); |
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407 | materialPtr1->getTechnique(0)->getPass(0)->getTextureUnitState(0)->setTextureAddressingMode(Ogre::TextureUnitState::TAM_CLAMP);
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408 | materialPtr1->getTechnique(0)->getPass(0)->setLightingEnabled(false);
|
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409 | mTextureAtlas->setMaterial(materialPtr1.getPointer());
|
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410 | mTextureAtlas->setCorners(-1.0, 1.0, 1.0, -1.0);
|
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411 |
|
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412 | mClusterTexture = IMG::TexturePtr( new IMG::Texture() );
|
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413 | mClusterTexture->create("ClusterTextureDiffuseColor", mTextureSize, mTextureSize, mSrcPixelFormat, mCamera, avgColour);
|
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414 | Ogre::MaterialPtr materialPtr = Ogre::MaterialManager::getSingleton().create("DiffuseColorTextureMaterial", Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
|
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415 | if (!mDebugTextureAtlasGeneration)
|
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416 | {
|
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417 | materialPtr->getTechnique(0)->getPass(0)->setAlphaRejectSettings(Ogre::CMPF_GREATER_EQUAL, 10);
|
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418 | materialPtr->getTechnique(0)->getPass(0)->createTextureUnitState("ClusterTextureDiffuseColor", 0);
|
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419 | materialPtr->getTechnique(0)->getPass(0)->getTextureUnitState(0)->setTextureFiltering(Ogre::FO_NONE, Ogre::FO_NONE, Ogre::FO_NONE); |
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420 | materialPtr->getTechnique(0)->getPass(0)->getTextureUnitState(0)->setTextureAddressingMode(Ogre::TextureUnitState::TAM_CLAMP);
|
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421 | materialPtr->getTechnique(0)->getPass(0)->setLightingEnabled(false);
|
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422 | }
|
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423 | mClusterTexture->setMaterial(materialPtr.getPointer());
|
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424 |
|
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425 | mTextureAtlas->addTexture(mClusterTexture);
|
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426 |
|
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427 | mNumTextures = mEntityClustersGrouped->getNumSubEntities();
|
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428 | mCurrentTexture = 0;
|
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429 | } |
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430 | |
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431 | void BillboardCloudDiffuseColorTextureViewMode::destroyScene() |
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432 | { |
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433 | |
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434 | } |
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435 | |
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436 | } |
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