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- #include "include/bt3.h"
- bt3::bt3(void)
- {
- }
- bt3::~bt3(void)
- {
- }
- void bt3::destroyScene(void)
- {
- OGRE_DELETE mTerrainGroup;
- OGRE_DELETE mTerrainGlobals;
- }
- void getTerrainImage(bool flipX, bool flipY, Ogre::Image& img)
- {
- img.load("terrain.png", Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
- if (flipX)
- img.flipAroundY();
- if (flipY)
- img.flipAroundX();
- }
- void bt3::defineTerrain(long x, long y)
- {
- Ogre::String filename = mTerrainGroup->generateFilename(x, y);
- if (Ogre::ResourceGroupManager::getSingleton().resourceExists(mTerrainGroup->getResourceGroup(), filename))
- {
- mTerrainGroup->defineTerrain(x, y);
- }
- else
- {
- Ogre::Image img;
- getTerrainImage( x % 2 != 0, y % 2 != 0, img);
- mTerrainGroup->defineTerrain(x, y, &img);
- mTerrainsImported = true;
- }
- }
- void bt3::initBlendMaps(Ogre::Terrain* terrain)
- {
- Ogre::TerrainLayerBlendMap* blendMap0 = terrain->getLayerBlendMap(1);
- Ogre::TerrainLayerBlendMap* blendMap1 = terrain->getLayerBlendMap(2);
- Ogre::Real minHeight0 = 70;
- Ogre::Real fadeDist0 = 40;
- Ogre::Real minHeight1 = 70;
- Ogre::Real fadeDist1 = 15;
- float* pBlend0 = blendMap0->getBlendPointer();
- float* pBlend1 = blendMap1->getBlendPointer();
- for (Ogre::uint16 y = 0; y < terrain->getLayerBlendMapSize(); ++y)
- {
- for (Ogre::uint16 x = 0; x < terrain->getLayerBlendMapSize(); ++x)
- {
- Ogre::Real tx, ty;
- blendMap0->convertImageToTerrainSpace(x, y, &tx, &ty);
- Ogre::Real height = terrain->getHeightAtTerrainPosition(tx, ty);
- Ogre::Real val = (height - minHeight0) / fadeDist0;
- val = Ogre::Math::Clamp(val, (Ogre::Real)0, (Ogre::Real)1);
- *pBlend0++ = val;
- val = (height - minHeight1) / fadeDist1;
- val = Ogre::Math::Clamp(val, (Ogre::Real)0, (Ogre::Real)1);
- *pBlend1++ = val;
- }
- }
- blendMap0->dirty();
- blendMap1->dirty();
- blendMap0->update();
- blendMap1->update();
- }
- void bt3::configureTerrainDefaults(Ogre::Light* light)
- {
- // Configure global
- mTerrainGlobals->setMaxPixelError(8);
- //testing composite map
- mTerrainGlobals->setCompositeMapDistance(3000);
- // Important to set there so that the terrain knows what to use for derived data
- mTerrainGlobals->setLightMapDirection(light->getDerivedDirection());
- mTerrainGlobals->setCompositeMapAmbient(mSceneMgr->getAmbientLight());
- mTerrainGlobals->setCompositeMapDiffuse(light->getDiffuseColour());
- // Configure default import settings in case we use imported image
- Ogre::Terrain::ImportData& defaultimp = mTerrainGroup->getDefaultImportSettings();
- defaultimp.terrainSize = 513;
- defaultimp.worldSize = 12000.0f;
- defaultimp.inputScale = 600;
- defaultimp.minBatchSize = 33;
- defaultimp.maxBatchSize = 65;
- //textures
- defaultimp.layerList.resize(3);
- defaultimp.layerList[0].worldSize = 100;
- defaultimp.layerList[0].textureNames.push_back("dirt_grayrocky_diffusespecular.dds");
- defaultimp.layerList[1].worldSize = 30;
- defaultimp.layerList[1].textureNames.push_back("grass_green-01_diffusespecular.dds");
- defaultimp.layerList[1].textureNames.push_back("grass_green-01_normalheight.dds");
- defaultimp.layerList[2].worldSize = 200;
- defaultimp.layerList[2].textureNames.push_back("growth_weirdfungus-03_diffusespecular.dds");
- defaultimp.layerList[2].textureNames.push_back("growth_weirdfungus-03_normalheight.dds");
- }
- void bt3::createScene(void)
- {
- mCamera->setPosition(Ogre::Vector3(83, 50, 16));
- mCamera->lookAt(Ogre::Vector3(1963, 50, 1660));
- mCamera->setNearClipDistance(0.1);
- mCamera->setFarClipDistance(50000);
- if (mRoot->getRenderSystem()->getCapabilities()->hasCapability(Ogre::RSC_INFINITE_FAR_PLANE))
- {
- mCamera->setFarClipDistance(0);
- }
- //setting the directional and abient light
- Ogre::Vector3 lightdir(0.55, -0.3, 0.75);
- lightdir.normalise();
-
- Ogre::Light* light = mSceneMgr->createLight("tstLight");
- light->setType(Ogre::Light::LT_DIRECTIONAL);
- light->setDirection(lightdir);
- light->setDiffuseColour(Ogre::ColourValue::White);
- light->setSpecularColour(Ogre::ColourValue(0.4, 0.4, 0.4));
- mSceneMgr->setAmbientLight(Ogre::ColourValue(0.2, 0.2, 0.2));
- //Creating a set of global terrain options
- mTerrainGlobals = OGRE_NEW Ogre::TerrainGlobalOptions();
- mTerrainGroup = OGRE_NEW Ogre::TerrainGroup(mSceneMgr, Ogre::Terrain::ALIGN_X_Z, 513, 12000.00f);
- mTerrainGroup->setFilenameConvention(Ogre::String("bt3Terrain"), Ogre::String("dat"));
- mTerrainGroup->setOrigin(Ogre::Vector3::ZERO);
- configureTerrainDefaults(light);
-
- for (long x = 0; x <= 0; ++x)
- for (long y = 0; y <= 0; ++y)
- defineTerrain(x,y);
- // sync load since we want everithing in place when we start
- mTerrainGroup->loadAllTerrains(true);
- if (mTerrainsImported)
- {
- Ogre::TerrainGroup::TerrainIterator ti = mTerrainGroup->getTerrainIterator();
- while (ti.hasMoreElements())
- {
- Ogre::Terrain* t = ti.getNext()->instance;
- initBlendMaps(t);
- }
- }
- mTerrainGroup->freeTemporaryResources();
- //set the skybox
- mSceneMgr->setSkyDome(true, "Examples/CloudySky", 5, 8);
- }
- bool bt3::frameRenderingQueued(const Ogre::FrameEvent& evt)
- {
- bool ret = Base::frameRenderingQueued(evt);
- if (mTerrainGroup->isDerivedDataUpdateInProgress())
- {
- mTrayMgr->moveWidgetToTray( mInfoLabel, OgreBites::TL_TOP, 0);
- mInfoLabel->show();
- if (mTerrainsImported)
- {
- mInfoLabel->setCaption("Building terrain, please wait...");
- }
- else
- {
- mInfoLabel->setCaption("Updating textures, gtfo...");
- }
- }
- else
- {
- mTrayMgr->removeWidgetFromTray(mInfoLabel);
- mInfoLabel->hide();
- if (mTerrainsImported)
- {
- mTerrainGroup->saveAllTerrains(true);
- mTerrainsImported = false;
- }
- }
-
- return ret;
- }
- void bt3::createFrameListener(void)
- {
- Base::createFrameListener();
- mInfoLabel = mTrayMgr->createLabel(OgreBites::TL_TOP, "TInfo", "", 350);
- }
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