[2285] | 1 | #include "OgreCausticReceiverRenderTechnique.h"
|
---|
| 2 | #include "OgreTechniqueGroup.h"
|
---|
| 3 | #include "OgreIlluminationManager.h"
|
---|
| 4 | #include "OgreCausticCubeMapRenderingRun.h"
|
---|
| 5 | #include "OgreCubeMapRenderingRun.h"
|
---|
| 6 |
|
---|
| 7 | OgreCausticReceiverRenderTechnique::OgreCausticReceiverRenderTechnique(
|
---|
| 8 | int maxcasters,
|
---|
| 9 | String causticVertexProgram,
|
---|
| 10 | String causticFragmentProgram,
|
---|
[2299] | 11 | SceneBlendFactor passBlendingSRC,
|
---|
| 12 | SceneBlendFactor passBlendingDEST,
|
---|
[2366] | 13 | bool createNewPasses,
|
---|
| 14 | int startTextureUnitID,
|
---|
| 15 | String casterCenterVariableName,
|
---|
| 16 | String attenuationVariableName,
|
---|
[2285] | 17 | Pass* pass,
|
---|
| 18 | OgreRenderable* parentRenderable,
|
---|
| 19 | OgreTechniqueGroup* parentTechniqueGroup)
|
---|
| 20 | :RenderTechnique( parentRenderable, parentTechniqueGroup),
|
---|
| 21 | OgreRenderTechnique(pass, parentRenderable, parentTechniqueGroup),
|
---|
| 22 | CausticReceiverRenderTechnique(parentRenderable, parentTechniqueGroup)
|
---|
| 23 | {
|
---|
[2299] | 24 | this->passBlendingSRC = passBlendingSRC;
|
---|
| 25 | this->passBlendingDEST = passBlendingDEST;
|
---|
[2285] | 26 | this->maxcasters = maxcasters;
|
---|
| 27 | this->causticVertexProgram = causticVertexProgram;
|
---|
| 28 | this->causticFragmentProgram = causticFragmentProgram;
|
---|
[2366] | 29 | this->createNewPasses = createNewPasses;
|
---|
| 30 | this->startTextureUnitID = startTextureUnitID;
|
---|
| 31 | this->casterCenterVariableName = casterCenterVariableName;
|
---|
| 32 | this->attenuationVariableName = attenuationVariableName;
|
---|
[2285] | 33 |
|
---|
[2366] | 34 | if(createNewPasses)
|
---|
[2285] | 35 | {
|
---|
[2366] | 36 | //insert new passes
|
---|
| 37 | Ogre::Technique* techn = pass->getParent();
|
---|
| 38 | Technique::PassIterator it = techn->getPassIterator();
|
---|
| 39 |
|
---|
| 40 | int index = 0;
|
---|
| 41 | while(it.hasMoreElements())
|
---|
| 42 | {
|
---|
| 43 | if( it.getNext() == pass)
|
---|
| 44 | break;
|
---|
| 45 | index++;
|
---|
| 46 | it.moveNext();
|
---|
| 47 | }
|
---|
| 48 |
|
---|
[2285] | 49 | index++;
|
---|
[2366] | 50 | for(int i = 0; i < maxcasters; i++)
|
---|
| 51 | {
|
---|
| 52 | int lastpass = techn->getNumPasses();
|
---|
| 53 | Pass* newpass = techn->createPass();
|
---|
| 54 | passes.push_back(newpass);
|
---|
[2285] | 55 |
|
---|
[2366] | 56 | newpass->setVertexProgram(causticVertexProgram);
|
---|
| 57 | newpass->setFragmentProgram(causticFragmentProgram);
|
---|
| 58 |
|
---|
| 59 | GpuProgramParameters* Vparams = newpass->getVertexProgramParameters().getPointer();
|
---|
| 60 | Vparams->setNamedAutoConstant("WorldViewProj",
|
---|
| 61 | GpuProgramParameters::ACT_WORLDVIEWPROJ_MATRIX);
|
---|
| 62 | Vparams->setNamedAutoConstant("World",
|
---|
| 63 | GpuProgramParameters::ACT_WORLD_MATRIX);
|
---|
| 64 | GpuProgramParameters* Fparams = newpass->getFragmentProgramParameters().getPointer();
|
---|
| 65 | //Fparams->setNamedConstant("cubeMapCameraPosition", Vector3(0,0,0));
|
---|
[2285] | 66 |
|
---|
[2366] | 67 | TextureUnitState* st = newpass->createTextureUnitState();
|
---|
| 68 | TextureUnitState* st2 = newpass->createTextureUnitState();
|
---|
[2285] | 69 |
|
---|
[2366] | 70 | st->setTextureFiltering(TFO_BILINEAR);
|
---|
| 71 | st2->setTextureFiltering(TFO_BILINEAR);
|
---|
[2285] | 72 |
|
---|
[2366] | 73 | newpass->setSceneBlending(passBlendingSRC, passBlendingDEST);
|
---|
| 74 | newpass->setDepthBias(1);
|
---|
| 75 |
|
---|
| 76 | techn->movePass(lastpass, index);
|
---|
| 77 | }
|
---|
[2285] | 78 | }
|
---|
| 79 |
|
---|
| 80 | }
|
---|
| 81 |
|
---|
| 82 | OgreCausticReceiverRenderTechnique::~OgreCausticReceiverRenderTechnique()
|
---|
| 83 | {
|
---|
| 84 |
|
---|
| 85 | }
|
---|
| 86 |
|
---|
| 87 | void OgreCausticReceiverRenderTechnique::update(unsigned long frameNum)
|
---|
| 88 | {
|
---|
| 89 | //find nearest casters
|
---|
| 90 | causticCasters.clear();
|
---|
| 91 | OgreIlluminationManager::getSingleton().getNearestCausticCasters(
|
---|
| 92 | ((OgreSharedRuns*)sharedRuns)->getRootPosition(),
|
---|
| 93 | &causticCasters,
|
---|
| 94 | maxcasters);
|
---|
[2366] | 95 |
|
---|
[2285] | 96 | //fill passes
|
---|
[2366] | 97 | for(unsigned int i = 0; i < maxcasters; i++)
|
---|
[2285] | 98 | {
|
---|
| 99 | if(causticCasters.size() > i)
|
---|
| 100 | {
|
---|
| 101 | //update caustic caster
|
---|
| 102 | causticCasters.at(i)->updateRun(ILLUMRUN_PHOTONMAP, frameNum);
|
---|
| 103 | causticCasters.at(i)->updateRun(ILLUMRUN_CAUSTIC_CUBEMAP, frameNum);
|
---|
| 104 |
|
---|
| 105 | //set texture to pass
|
---|
| 106 | OgreCausticCubeMapRenderingRun* cauCubeRun =
|
---|
| 107 | (OgreCausticCubeMapRenderingRun*) causticCasters.at(i)->
|
---|
| 108 | getRun(ILLUMRUN_CAUSTIC_CUBEMAP)->asOgreRenderingRun();
|
---|
[2366] | 109 |
|
---|
| 110 | Pass* passToSet = this->pass;
|
---|
| 111 | int textureUnit = startTextureUnitID + i;
|
---|
| 112 | if(createNewPasses)
|
---|
| 113 | {
|
---|
| 114 | passToSet = passes.at(i);
|
---|
| 115 | passToSet->setActive(true);
|
---|
| 116 | textureUnit = 0;
|
---|
| 117 | }
|
---|
| 118 |
|
---|
| 119 | passToSet->getTextureUnitState(textureUnit)->setTextureName(
|
---|
[2285] | 120 | cauCubeRun->getCausticCubeMapTextureName());
|
---|
[2366] | 121 |
|
---|
| 122 | //set caster position nad caustic attenuation
|
---|
| 123 | GpuProgramParameters* Fparams = passToSet->getFragmentProgramParameters().getPointer();
|
---|
| 124 | String centerVarName = casterCenterVariableName;
|
---|
| 125 | String attenuationVarName = attenuationVariableName;
|
---|
| 126 | if(!createNewPasses)
|
---|
| 127 | {
|
---|
| 128 | centerVarName += String("[") + StringConverter::toString(i) + String("]");
|
---|
| 129 | attenuationVarName += String("[") + StringConverter::toString(i) + String("]");
|
---|
| 130 | }
|
---|
| 131 | Fparams->setNamedConstant(centerVarName,
|
---|
| 132 | causticCasters.at(i)->getRootPosition(ILLUMRUN_CAUSTIC_CUBEMAP));
|
---|
| 133 | Fparams->setNamedConstant(attenuationVarName,
|
---|
| 134 | cauCubeRun->getAttenuation());
|
---|
[2285] | 135 | }
|
---|
[2366] | 136 | else if(createNewPasses)
|
---|
[2285] | 137 | passes.at(i)->setActive(false);
|
---|
| 138 | }
|
---|
| 139 | }
|
---|
| 140 |
|
---|
| 141 |
|
---|
| 142 | namespace CausticReceiverParsers
|
---|
| 143 | {
|
---|
| 144 | ///Technique parsers
|
---|
| 145 | void parseMaxCasters(String& params, RenderTechniqueFactory* factory)
|
---|
| 146 | {
|
---|
| 147 | OgreCausticReceiverRenderTechniqueFactory* f = (OgreCausticReceiverRenderTechniqueFactory*) factory;
|
---|
| 148 | f->maxcasters = StringConverter::parseInt(params);
|
---|
| 149 | }
|
---|
| 150 |
|
---|
| 151 | void parseVertexProgram(String& params, RenderTechniqueFactory* factory)
|
---|
| 152 | {
|
---|
| 153 | OgreCausticReceiverRenderTechniqueFactory* f = (OgreCausticReceiverRenderTechniqueFactory*) factory;
|
---|
| 154 | f->causticVertexProgram = params;
|
---|
| 155 | }
|
---|
| 156 |
|
---|
| 157 | void parseFragmentProgram(String& params, RenderTechniqueFactory* factory)
|
---|
| 158 | {
|
---|
| 159 | OgreCausticReceiverRenderTechniqueFactory* f = (OgreCausticReceiverRenderTechniqueFactory*) factory;
|
---|
| 160 | f->causticFragmentProgram = params;
|
---|
| 161 | }
|
---|
| 162 |
|
---|
[2299] | 163 | SceneBlendFactor convertBlendFactor(const String& param)
|
---|
| 164 | {
|
---|
| 165 | if (param == "one")
|
---|
| 166 | return SBF_ONE;
|
---|
| 167 | else if (param == "zero")
|
---|
| 168 | return SBF_ZERO;
|
---|
| 169 | else if (param == "dest_colour")
|
---|
| 170 | return SBF_DEST_COLOUR;
|
---|
| 171 | else if (param == "src_colour")
|
---|
| 172 | return SBF_SOURCE_COLOUR;
|
---|
| 173 | else if (param == "one_minus_dest_colour")
|
---|
| 174 | return SBF_ONE_MINUS_DEST_COLOUR;
|
---|
| 175 | else if (param == "one_minus_src_colour")
|
---|
| 176 | return SBF_ONE_MINUS_SOURCE_COLOUR;
|
---|
| 177 | else if (param == "dest_alpha")
|
---|
| 178 | return SBF_DEST_ALPHA;
|
---|
| 179 | else if (param == "src_alpha")
|
---|
| 180 | return SBF_SOURCE_ALPHA;
|
---|
| 181 | else if (param == "one_minus_dest_alpha")
|
---|
| 182 | return SBF_ONE_MINUS_DEST_ALPHA;
|
---|
| 183 | else if (param == "one_minus_src_alpha")
|
---|
| 184 | return SBF_ONE_MINUS_SOURCE_ALPHA;
|
---|
| 185 | }
|
---|
| 186 |
|
---|
| 187 | void parsePassBlending(String& params, RenderTechniqueFactory* factory)
|
---|
| 188 | {
|
---|
| 189 | OgreCausticReceiverRenderTechniqueFactory* f = (OgreCausticReceiverRenderTechniqueFactory*) factory;
|
---|
| 190 | StringVector vecparams = StringUtil::split(params, " \t");
|
---|
| 191 | if(vecparams.size() == 1)
|
---|
| 192 | {
|
---|
| 193 | if (vecparams[0] == "none")
|
---|
| 194 | {
|
---|
| 195 | f->passBlendingSRC = SBF_ONE;
|
---|
| 196 | f->passBlendingDEST = SBF_ZERO;
|
---|
| 197 | }
|
---|
| 198 | if (vecparams[0] == "add")
|
---|
| 199 | {
|
---|
| 200 | f->passBlendingSRC = SBF_ONE;
|
---|
| 201 | f->passBlendingDEST = SBF_ONE;
|
---|
| 202 | }
|
---|
| 203 | else if (vecparams[0] == "modulate")
|
---|
| 204 | {
|
---|
| 205 | f->passBlendingSRC = SBF_DEST_COLOUR;
|
---|
| 206 | f->passBlendingDEST = SBF_ZERO;
|
---|
| 207 | }
|
---|
| 208 | else if (vecparams[0] == "colour_blend")
|
---|
| 209 | {
|
---|
| 210 | f->passBlendingSRC = SBF_SOURCE_COLOUR;
|
---|
| 211 | f->passBlendingDEST = SBF_ONE_MINUS_SOURCE_COLOUR;
|
---|
| 212 | }
|
---|
| 213 | else if (vecparams[0] == "alpha_blend")
|
---|
| 214 | {
|
---|
| 215 | f->passBlendingSRC = SBF_SOURCE_ALPHA;
|
---|
| 216 | f->passBlendingDEST = SBF_ONE_MINUS_SOURCE_ALPHA;
|
---|
| 217 | }
|
---|
| 218 | }
|
---|
| 219 | else if (vecparams.size() == 2)
|
---|
| 220 | {
|
---|
| 221 | f->passBlendingSRC = convertBlendFactor(vecparams[0]);
|
---|
| 222 | f->passBlendingDEST = convertBlendFactor(vecparams[1]) ;
|
---|
| 223 | }
|
---|
[2366] | 224 | }
|
---|
| 225 |
|
---|
| 226 | void parseCreateNewPasses(String& params, RenderTechniqueFactory* factory)
|
---|
| 227 | {
|
---|
| 228 | OgreCausticReceiverRenderTechniqueFactory* f = (OgreCausticReceiverRenderTechniqueFactory*) factory;
|
---|
| 229 | f->createNewPasses = StringConverter::parseBool(params);
|
---|
| 230 | }
|
---|
| 231 |
|
---|
| 232 | void parseStartTexID(String& params, RenderTechniqueFactory* factory)
|
---|
| 233 | {
|
---|
| 234 | OgreCausticReceiverRenderTechniqueFactory* f = (OgreCausticReceiverRenderTechniqueFactory*) factory;
|
---|
| 235 | f->startTextureUnitID = StringConverter::parseInt(params);
|
---|
| 236 | }
|
---|
| 237 |
|
---|
| 238 | void parseCenterVarName(String& params, RenderTechniqueFactory* factory)
|
---|
| 239 | {
|
---|
| 240 | OgreCausticReceiverRenderTechniqueFactory* f = (OgreCausticReceiverRenderTechniqueFactory*) factory;
|
---|
| 241 | f->casterCenterVariableName = params;
|
---|
| 242 | }
|
---|
| 243 |
|
---|
| 244 | void parseAttenuationVarName(String& params, RenderTechniqueFactory* factory)
|
---|
| 245 | {
|
---|
| 246 | OgreCausticReceiverRenderTechniqueFactory* f = (OgreCausticReceiverRenderTechniqueFactory*) factory;
|
---|
| 247 | f->attenuationVariableName = params;
|
---|
| 248 | }
|
---|
[2285] | 249 | }
|
---|
[2366] | 250 |
|
---|
[2285] | 251 | OgreCausticReceiverRenderTechniqueFactory::OgreCausticReceiverRenderTechniqueFactory()
|
---|
| 252 | {
|
---|
| 253 | typeName = "CausticReceiver";
|
---|
| 254 |
|
---|
| 255 | using namespace CausticReceiverParsers;
|
---|
| 256 | //register parsers
|
---|
| 257 | this->attributeParsers.insert(AttribParserList::value_type("max_caster_count", (ILLUM_ATTRIBUTE_PARSER) parseMaxCasters));
|
---|
| 258 | this->attributeParsers.insert(AttribParserList::value_type("vertex_program_name", (ILLUM_ATTRIBUTE_PARSER) parseVertexProgram));
|
---|
| 259 | this->attributeParsers.insert(AttribParserList::value_type("fragment_program_name", (ILLUM_ATTRIBUTE_PARSER) parseFragmentProgram));
|
---|
[2299] | 260 | this->attributeParsers.insert(AttribParserList::value_type("pass_blending", (ILLUM_ATTRIBUTE_PARSER) parsePassBlending));
|
---|
[2366] | 261 | this->attributeParsers.insert(AttribParserList::value_type("new_passes", (ILLUM_ATTRIBUTE_PARSER) parseCreateNewPasses));
|
---|
| 262 | this->attributeParsers.insert(AttribParserList::value_type("start_tex_id", (ILLUM_ATTRIBUTE_PARSER) parseStartTexID));
|
---|
| 263 | this->attributeParsers.insert(AttribParserList::value_type("center_var_name", (ILLUM_ATTRIBUTE_PARSER) parseCenterVarName));
|
---|
| 264 | this->attributeParsers.insert(AttribParserList::value_type("attenuation_var_name", (ILLUM_ATTRIBUTE_PARSER) parseAttenuationVarName));
|
---|
[2285] | 265 | }
|
---|
| 266 |
|
---|
| 267 | OgreRenderTechnique* OgreCausticReceiverRenderTechniqueFactory::createInstance(
|
---|
| 268 | IllumTechniqueParams* params,
|
---|
| 269 | Pass* pass,
|
---|
| 270 | OgreRenderable* parentRenderable,
|
---|
| 271 | OgreTechniqueGroup* parentTechniqueGroup)
|
---|
| 272 | {
|
---|
| 273 | //reset parameters
|
---|
| 274 | maxcasters = 1;
|
---|
| 275 | causticVertexProgram = "GTP/Basic/Shaded_VS";
|
---|
| 276 | causticFragmentProgram = "GTP/Caustic/GatherCaustic_Cube_PS";
|
---|
[2299] | 277 | passBlendingSRC = SBF_DEST_COLOUR;
|
---|
| 278 | passBlendingDEST = SBF_ONE;
|
---|
[2366] | 279 | createNewPasses = true;
|
---|
| 280 | startTextureUnitID = 0;
|
---|
| 281 | casterCenterVariableName = "cubeMapCameraPosition";
|
---|
| 282 | String attenuationVariableName = "attenuation";
|
---|
[2285] | 283 |
|
---|
| 284 | parseParams(params);
|
---|
| 285 |
|
---|
| 286 | OgreCausticReceiverRenderTechnique* result = new OgreCausticReceiverRenderTechnique(
|
---|
| 287 | maxcasters,
|
---|
| 288 | causticVertexProgram,
|
---|
| 289 | causticFragmentProgram,
|
---|
[2299] | 290 | passBlendingSRC,
|
---|
| 291 | passBlendingDEST,
|
---|
[2366] | 292 | createNewPasses,
|
---|
| 293 | startTextureUnitID,
|
---|
| 294 | casterCenterVariableName,
|
---|
| 295 | attenuationVariableName,
|
---|
[2285] | 296 | pass,
|
---|
| 297 | parentRenderable,
|
---|
| 298 | parentTechniqueGroup);
|
---|
| 299 |
|
---|
| 300 | return result;
|
---|
| 301 | }
|
---|