mirror of https://github.com/minetest/irrlicht.git
1293 lines
33 KiB
C++
1293 lines
33 KiB
C++
// Copyright (C) 2002-2012 Nikolaus Gebhardt
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// This file is part of the "Irrlicht Engine".
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// For conditions of distribution and use, see copyright notice in irrlicht.h
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#include "IrrCompileConfig.h"
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#include "CSceneManager.h"
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#include "IVideoDriver.h"
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#include "IFileSystem.h"
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#include "SAnimatedMesh.h"
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#include "CMeshCache.h"
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#include "ISceneUserDataSerializer.h"
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#include "IGUIEnvironment.h"
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#include "IMaterialRenderer.h"
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#include "IReadFile.h"
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#include "IWriteFile.h"
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#include "ISceneLoader.h"
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#include "EProfileIDs.h"
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#include "IProfiler.h"
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#include "os.h"
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// We need this include for the case of skinned mesh support without
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// any such loader
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#ifdef _IRR_COMPILE_WITH_SKINNED_MESH_SUPPORT_
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#include "CSkinnedMesh.h"
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#endif
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#ifdef _IRR_COMPILE_WITH_X_LOADER_
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#include "CXMeshFileLoader.h"
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#endif
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#ifdef _IRR_COMPILE_WITH_OBJ_LOADER_
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#include "COBJMeshFileLoader.h"
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#endif
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#ifdef _IRR_COMPILE_WITH_B3D_LOADER_
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#include "CB3DMeshFileLoader.h"
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#endif
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#ifdef _IRR_COMPILE_WITH_BILLBOARD_SCENENODE_
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#include "CBillboardSceneNode.h"
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#endif // _IRR_COMPILE_WITH_BILLBOARD_SCENENODE_
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#include "CAnimatedMeshSceneNode.h"
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#include "CCameraSceneNode.h"
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#include "CMeshSceneNode.h"
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#include "CDummyTransformationSceneNode.h"
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#include "CEmptySceneNode.h"
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#include "CDefaultSceneNodeFactory.h"
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#include "CSceneCollisionManager.h"
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namespace irr
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{
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namespace scene
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{
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//! constructor
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CSceneManager::CSceneManager(video::IVideoDriver* driver, io::IFileSystem* fs,
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gui::ICursorControl* cursorControl, IMeshCache* cache,
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gui::IGUIEnvironment* gui)
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: ISceneNode(0, 0), Driver(driver), FileSystem(fs), GUIEnvironment(gui),
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CursorControl(cursorControl),
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ActiveCamera(0), ShadowColor(150,0,0,0), AmbientLight(0,0,0,0), Parameters(0),
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MeshCache(cache), CurrentRenderPass(ESNRP_NONE)
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{
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#ifdef _DEBUG
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ISceneManager::setDebugName("CSceneManager ISceneManager");
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ISceneNode::setDebugName("CSceneManager ISceneNode");
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#endif
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// root node's scene manager
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SceneManager = this;
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if (Driver)
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Driver->grab();
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if (FileSystem)
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FileSystem->grab();
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if (CursorControl)
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CursorControl->grab();
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if (GUIEnvironment)
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GUIEnvironment->grab();
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// create mesh cache if not there already
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if (!MeshCache)
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MeshCache = new CMeshCache();
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else
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MeshCache->grab();
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// set scene parameters
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Parameters = new io::CAttributes();
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Parameters->setAttribute(DEBUG_NORMAL_LENGTH, 1.f);
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Parameters->setAttribute(DEBUG_NORMAL_COLOR, video::SColor(255, 34, 221, 221));
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// create collision manager
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CollisionManager = new CSceneCollisionManager(this, Driver);
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// add file format loaders. add the least commonly used ones first,
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// as these are checked last
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// TODO: now that we have multiple scene managers, these should be
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// shallow copies from the previous manager if there is one.
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#ifdef _IRR_COMPILE_WITH_X_LOADER_
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MeshLoaderList.push_back(new CXMeshFileLoader(this, FileSystem));
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#endif
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#ifdef _IRR_COMPILE_WITH_OBJ_LOADER_
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MeshLoaderList.push_back(new COBJMeshFileLoader(this, FileSystem));
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#endif
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#ifdef _IRR_COMPILE_WITH_B3D_LOADER_
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MeshLoaderList.push_back(new CB3DMeshFileLoader(this));
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#endif
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// factories
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ISceneNodeFactory* factory = new CDefaultSceneNodeFactory(this);
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registerSceneNodeFactory(factory);
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factory->drop();
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IRR_PROFILE(
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static bool initProfile = false;
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if (!initProfile )
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{
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initProfile = true;
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getProfiler().add(EPID_SM_DRAW_ALL, L"drawAll", L"Irrlicht scene");
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getProfiler().add(EPID_SM_ANIMATE, L"animate", L"Irrlicht scene");
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getProfiler().add(EPID_SM_RENDER_CAMERAS, L"cameras", L"Irrlicht scene");
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getProfiler().add(EPID_SM_RENDER_LIGHTS, L"lights", L"Irrlicht scene");
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getProfiler().add(EPID_SM_RENDER_SKYBOXES, L"skyboxes", L"Irrlicht scene");
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getProfiler().add(EPID_SM_RENDER_DEFAULT, L"defaultnodes", L"Irrlicht scene");
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getProfiler().add(EPID_SM_RENDER_SHADOWS, L"shadows", L"Irrlicht scene");
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getProfiler().add(EPID_SM_RENDER_TRANSPARENT, L"transp.nodes", L"Irrlicht scene");
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getProfiler().add(EPID_SM_RENDER_EFFECT, L"effectnodes", L"Irrlicht scene");
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getProfiler().add(EPID_SM_RENDER_GUI_NODES, L"guinodes", L"Irrlicht scene");
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getProfiler().add(EPID_SM_REGISTER, L"reg.render.node", L"Irrlicht scene");
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}
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)
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}
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//! destructor
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CSceneManager::~CSceneManager()
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{
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clearDeletionList();
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//! force to remove hardwareTextures from the driver
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//! because Scenes may hold internally data bounded to sceneNodes
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//! which may be destroyed twice
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if (Driver)
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Driver->removeAllHardwareBuffers();
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if (FileSystem)
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FileSystem->drop();
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if (CursorControl)
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CursorControl->drop();
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if (CollisionManager)
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CollisionManager->drop();
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if (GUIEnvironment)
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GUIEnvironment->drop();
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u32 i;
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for (i=0; i<MeshLoaderList.size(); ++i)
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MeshLoaderList[i]->drop();
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for (i=0; i<SceneLoaderList.size(); ++i)
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SceneLoaderList[i]->drop();
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if (ActiveCamera)
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ActiveCamera->drop();
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ActiveCamera = 0;
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if (MeshCache)
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MeshCache->drop();
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if (Parameters)
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Parameters->drop();
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for (i=0; i<SceneNodeFactoryList.size(); ++i)
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SceneNodeFactoryList[i]->drop();
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// remove all nodes before dropping the driver
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// as render targets may be destroyed twice
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removeAll();
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if (Driver)
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Driver->drop();
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}
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//! gets an animateable mesh. loads it if needed. returned pointer must not be dropped.
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IAnimatedMesh* CSceneManager::getMesh(const io::path& filename, const io::path& alternativeCacheName)
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{
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io::path cacheName = alternativeCacheName.empty() ? filename : alternativeCacheName;
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IAnimatedMesh* msh = MeshCache->getMeshByName(cacheName);
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if (msh)
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return msh;
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io::IReadFile* file = FileSystem->createAndOpenFile(filename);
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if (!file)
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{
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os::Printer::log("Could not load mesh, because file could not be opened: ", filename, ELL_ERROR);
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return 0;
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}
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msh = getUncachedMesh(file, filename, cacheName);
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file->drop();
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return msh;
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}
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//! gets an animateable mesh. loads it if needed. returned pointer must not be dropped.
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IAnimatedMesh* CSceneManager::getMesh(io::IReadFile* file)
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{
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if (!file)
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return 0;
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io::path name = file->getFileName();
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IAnimatedMesh* msh = MeshCache->getMeshByName(name);
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if (msh)
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return msh;
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msh = getUncachedMesh(file, name, name);
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return msh;
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}
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// load and create a mesh which we know already isn't in the cache and put it in there
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IAnimatedMesh* CSceneManager::getUncachedMesh(io::IReadFile* file, const io::path& filename, const io::path& cachename)
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{
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IAnimatedMesh* msh = 0;
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// iterate the list in reverse order so user-added loaders can override the built-in ones
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s32 count = MeshLoaderList.size();
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for (s32 i=count-1; i>=0; --i)
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{
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if (MeshLoaderList[i]->isALoadableFileExtension(filename))
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{
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// reset file to avoid side effects of previous calls to createMesh
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file->seek(0);
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msh = MeshLoaderList[i]->createMesh(file);
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if (msh)
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{
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MeshCache->addMesh(cachename, msh);
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msh->drop();
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break;
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}
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}
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}
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if (!msh)
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os::Printer::log("Could not load mesh, file format seems to be unsupported", filename, ELL_ERROR);
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else
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os::Printer::log("Loaded mesh", filename, ELL_DEBUG);
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return msh;
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}
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//! returns the video driver
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video::IVideoDriver* CSceneManager::getVideoDriver()
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{
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return Driver;
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}
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//! returns the GUI Environment
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gui::IGUIEnvironment* CSceneManager::getGUIEnvironment()
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{
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return GUIEnvironment;
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}
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//! Get the active FileSystem
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/** \return Pointer to the FileSystem
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This pointer should not be dropped. See IReferenceCounted::drop() for more information. */
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io::IFileSystem* CSceneManager::getFileSystem()
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{
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return FileSystem;
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}
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//! adds a scene node for rendering a static mesh
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//! the returned pointer must not be dropped.
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IMeshSceneNode* CSceneManager::addMeshSceneNode(IMesh* mesh, ISceneNode* parent, s32 id,
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const core::vector3df& position, const core::vector3df& rotation,
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const core::vector3df& scale, bool alsoAddIfMeshPointerZero)
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{
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if (!alsoAddIfMeshPointerZero && !mesh)
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return 0;
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if (!parent)
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parent = this;
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IMeshSceneNode* node = new CMeshSceneNode(mesh, parent, this, id, position, rotation, scale);
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node->drop();
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return node;
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}
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//! adds a scene node for rendering an animated mesh model
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IAnimatedMeshSceneNode* CSceneManager::addAnimatedMeshSceneNode(IAnimatedMesh* mesh, ISceneNode* parent, s32 id,
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const core::vector3df& position, const core::vector3df& rotation,
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const core::vector3df& scale, bool alsoAddIfMeshPointerZero)
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{
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if (!alsoAddIfMeshPointerZero && !mesh)
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return 0;
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if (!parent)
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parent = this;
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IAnimatedMeshSceneNode* node =
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new CAnimatedMeshSceneNode(mesh, parent, this, id, position, rotation, scale);
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node->drop();
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return node;
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}
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//! Adds a camera scene node to the tree and sets it as active camera.
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//! \param position: Position of the space relative to its parent where the camera will be placed.
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//! \param lookat: Position where the camera will look at. Also known as target.
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//! \param parent: Parent scene node of the camera. Can be null. If the parent moves,
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//! the camera will move too.
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//! \return Returns pointer to interface to camera
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ICameraSceneNode* CSceneManager::addCameraSceneNode(ISceneNode* parent,
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const core::vector3df& position, const core::vector3df& lookat, s32 id,
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bool makeActive)
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{
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if (!parent)
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parent = this;
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ICameraSceneNode* node = new CCameraSceneNode(parent, this, id, position, lookat);
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if (makeActive)
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setActiveCamera(node);
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node->drop();
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return node;
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}
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//! Adds a billboard scene node to the scene. A billboard is like a 3d sprite: A 2d element,
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//! which always looks to the camera. It is usually used for things like explosions, fire,
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//! lensflares and things like that.
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IBillboardSceneNode* CSceneManager::addBillboardSceneNode(ISceneNode* parent,
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const core::dimension2d<f32>& size, const core::vector3df& position, s32 id,
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video::SColor colorTop, video::SColor colorBottom
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)
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{
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#ifdef _IRR_COMPILE_WITH_BILLBOARD_SCENENODE_
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if (!parent)
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parent = this;
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IBillboardSceneNode* node = new CBillboardSceneNode(parent, this, id, position, size,
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colorTop, colorBottom);
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node->drop();
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return node;
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#else
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return 0;
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#endif
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}
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//! Adds an empty scene node.
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ISceneNode* CSceneManager::addEmptySceneNode(ISceneNode* parent, s32 id)
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{
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if (!parent)
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parent = this;
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ISceneNode* node = new CEmptySceneNode(parent, this, id);
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node->drop();
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return node;
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}
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//! Adds a dummy transformation scene node to the scene graph.
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IDummyTransformationSceneNode* CSceneManager::addDummyTransformationSceneNode(
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ISceneNode* parent, s32 id)
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{
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if (!parent)
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parent = this;
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IDummyTransformationSceneNode* node = new CDummyTransformationSceneNode(
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parent, this, id);
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node->drop();
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return node;
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}
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//! Returns the root scene node. This is the scene node which is parent
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//! of all scene nodes. The root scene node is a special scene node which
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//! only exists to manage all scene nodes. It is not rendered and cannot
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//! be removed from the scene.
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//! \return Returns a pointer to the root scene node.
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ISceneNode* CSceneManager::getRootSceneNode()
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{
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return this;
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}
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//! Returns the current active camera.
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//! \return The active camera is returned. Note that this can be NULL, if there
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//! was no camera created yet.
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ICameraSceneNode* CSceneManager::getActiveCamera() const
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{
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return ActiveCamera;
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}
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//! Sets the active camera. The previous active camera will be deactivated.
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//! \param camera: The new camera which should be active.
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void CSceneManager::setActiveCamera(ICameraSceneNode* camera)
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{
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if (camera)
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camera->grab();
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if (ActiveCamera)
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ActiveCamera->drop();
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ActiveCamera = camera;
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}
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//! renders the node.
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void CSceneManager::render()
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{
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}
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//! returns the axis aligned bounding box of this node
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const core::aabbox3d<f32>& CSceneManager::getBoundingBox() const
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{
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_IRR_DEBUG_BREAK_IF(true) // Bounding Box of Scene Manager should never be used.
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static const core::aabbox3d<f32> dummy;
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return dummy;
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}
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//! returns if node is culled
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bool CSceneManager::isCulled(const ISceneNode* node) const
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{
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const ICameraSceneNode* cam = getActiveCamera();
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if (!cam)
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{
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return false;
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}
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bool result = false;
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// has occlusion query information
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if (node->getAutomaticCulling() & scene::EAC_OCC_QUERY)
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{
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result = (Driver->getOcclusionQueryResult(const_cast<ISceneNode*>(node))==0);
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}
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// can be seen by a bounding box ?
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if (!result && (node->getAutomaticCulling() & scene::EAC_BOX))
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{
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core::aabbox3d<f32> tbox = node->getBoundingBox();
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node->getAbsoluteTransformation().transformBoxEx(tbox);
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result = !(tbox.intersectsWithBox(cam->getViewFrustum()->getBoundingBox() ));
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}
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// can be seen by a bounding sphere
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if (!result && (node->getAutomaticCulling() & scene::EAC_FRUSTUM_SPHERE))
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{
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const core::aabbox3df nbox = node->getTransformedBoundingBox();
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const float rad = nbox.getRadius();
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const core::vector3df center = nbox.getCenter();
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const float camrad = cam->getViewFrustum()->getBoundingRadius();
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const core::vector3df camcenter = cam->getViewFrustum()->getBoundingCenter();
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const float dist = (center - camcenter).getLengthSQ();
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const float maxdist = (rad + camrad) * (rad + camrad);
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result = dist > maxdist;
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}
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// can be seen by cam pyramid planes ?
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if (!result && (node->getAutomaticCulling() & scene::EAC_FRUSTUM_BOX))
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{
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SViewFrustum frust = *cam->getViewFrustum();
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//transform the frustum to the node's current absolute transformation
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core::matrix4 invTrans(node->getAbsoluteTransformation(), core::matrix4::EM4CONST_INVERSE);
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//invTrans.makeInverse();
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frust.transform(invTrans);
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core::vector3df edges[8];
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node->getBoundingBox().getEdges(edges);
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for (s32 i=0; i<scene::SViewFrustum::VF_PLANE_COUNT; ++i)
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{
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bool boxInFrustum=false;
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for (u32 j=0; j<8; ++j)
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{
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if (frust.planes[i].classifyPointRelation(edges[j]) != core::ISREL3D_FRONT)
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{
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boxInFrustum=true;
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break;
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}
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}
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if (!boxInFrustum)
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{
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result = true;
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break;
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}
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}
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}
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return result;
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}
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//! registers a node for rendering it at a specific time.
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u32 CSceneManager::registerNodeForRendering(ISceneNode* node, E_SCENE_NODE_RENDER_PASS pass)
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{
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IRR_PROFILE(CProfileScope p1(EPID_SM_REGISTER);)
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u32 taken = 0;
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switch(pass)
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{
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// take camera if it is not already registered
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case ESNRP_CAMERA:
|
|
{
|
|
taken = 1;
|
|
for (u32 i = 0; i != CameraList.size(); ++i)
|
|
{
|
|
if (CameraList[i] == node)
|
|
{
|
|
taken = 0;
|
|
break;
|
|
}
|
|
}
|
|
if (taken)
|
|
{
|
|
CameraList.push_back(node);
|
|
}
|
|
}
|
|
break;
|
|
case ESNRP_SKY_BOX:
|
|
SkyBoxList.push_back(node);
|
|
taken = 1;
|
|
break;
|
|
case ESNRP_SOLID:
|
|
if (!isCulled(node))
|
|
{
|
|
SolidNodeList.push_back(node);
|
|
taken = 1;
|
|
}
|
|
break;
|
|
case ESNRP_TRANSPARENT:
|
|
if (!isCulled(node))
|
|
{
|
|
TransparentNodeList.push_back(TransparentNodeEntry(node, camWorldPos));
|
|
taken = 1;
|
|
}
|
|
break;
|
|
case ESNRP_TRANSPARENT_EFFECT:
|
|
if (!isCulled(node))
|
|
{
|
|
TransparentEffectNodeList.push_back(TransparentNodeEntry(node, camWorldPos));
|
|
taken = 1;
|
|
}
|
|
break;
|
|
case ESNRP_AUTOMATIC:
|
|
if (!isCulled(node))
|
|
{
|
|
const u32 count = node->getMaterialCount();
|
|
|
|
taken = 0;
|
|
for (u32 i=0; i<count; ++i)
|
|
{
|
|
if (Driver->needsTransparentRenderPass(node->getMaterial(i)))
|
|
{
|
|
// register as transparent node
|
|
TransparentNodeEntry e(node, camWorldPos);
|
|
TransparentNodeList.push_back(e);
|
|
taken = 1;
|
|
break;
|
|
}
|
|
}
|
|
|
|
// not transparent, register as solid
|
|
if (!taken)
|
|
{
|
|
SolidNodeList.push_back(node);
|
|
taken = 1;
|
|
}
|
|
}
|
|
break;
|
|
case ESNRP_GUI:
|
|
if (!isCulled(node))
|
|
{
|
|
GuiNodeList.push_back(node);
|
|
taken = 1;
|
|
}
|
|
|
|
// as of yet unused
|
|
case ESNRP_LIGHT:
|
|
case ESNRP_SHADOW:
|
|
case ESNRP_NONE: // ignore this one
|
|
break;
|
|
}
|
|
|
|
#ifdef _IRR_SCENEMANAGER_DEBUG
|
|
s32 index = Parameters->findAttribute("calls");
|
|
Parameters->setAttribute(index, Parameters->getAttributeAsInt(index)+1);
|
|
|
|
if (!taken)
|
|
{
|
|
index = Parameters->findAttribute("culled");
|
|
Parameters->setAttribute(index, Parameters->getAttributeAsInt(index)+1);
|
|
}
|
|
#endif
|
|
|
|
return taken;
|
|
}
|
|
|
|
void CSceneManager::clearAllRegisteredNodesForRendering()
|
|
{
|
|
CameraList.clear();
|
|
SkyBoxList.clear();
|
|
SolidNodeList.clear();
|
|
TransparentNodeList.clear();
|
|
TransparentEffectNodeList.clear();
|
|
GuiNodeList.clear();
|
|
}
|
|
|
|
//! This method is called just before the rendering process of the whole scene.
|
|
//! draws all scene nodes
|
|
void CSceneManager::drawAll()
|
|
{
|
|
IRR_PROFILE(CProfileScope psAll(EPID_SM_DRAW_ALL);)
|
|
|
|
if (!Driver)
|
|
return;
|
|
|
|
#ifdef _IRR_SCENEMANAGER_DEBUG
|
|
// reset attributes
|
|
Parameters->setAttribute("culled", 0);
|
|
Parameters->setAttribute("calls", 0);
|
|
Parameters->setAttribute("drawn_solid", 0);
|
|
Parameters->setAttribute("drawn_transparent", 0);
|
|
Parameters->setAttribute("drawn_transparent_effect", 0);
|
|
#endif
|
|
|
|
u32 i; // new ISO for scoping problem in some compilers
|
|
|
|
// reset all transforms
|
|
Driver->setMaterial(video::SMaterial());
|
|
Driver->setTransform ( video::ETS_PROJECTION, core::IdentityMatrix );
|
|
Driver->setTransform ( video::ETS_VIEW, core::IdentityMatrix );
|
|
Driver->setTransform ( video::ETS_WORLD, core::IdentityMatrix );
|
|
for (i=video::ETS_COUNT-1; i>=video::ETS_TEXTURE_0; --i)
|
|
Driver->setTransform ( (video::E_TRANSFORMATION_STATE)i, core::IdentityMatrix );
|
|
// TODO: This should not use an attribute here but a real parameter when necessary (too slow!)
|
|
Driver->setAllowZWriteOnTransparent(Parameters->getAttributeAsBool(ALLOW_ZWRITE_ON_TRANSPARENT));
|
|
|
|
// do animations and other stuff.
|
|
IRR_PROFILE(getProfiler().start(EPID_SM_ANIMATE));
|
|
OnAnimate(os::Timer::getTime());
|
|
IRR_PROFILE(getProfiler().stop(EPID_SM_ANIMATE));
|
|
|
|
/*!
|
|
First Scene Node for prerendering should be the active camera
|
|
consistent Camera is needed for culling
|
|
*/
|
|
IRR_PROFILE(getProfiler().start(EPID_SM_RENDER_CAMERAS));
|
|
camWorldPos.set(0,0,0);
|
|
if (ActiveCamera)
|
|
{
|
|
ActiveCamera->render();
|
|
camWorldPos = ActiveCamera->getAbsolutePosition();
|
|
}
|
|
IRR_PROFILE(getProfiler().stop(EPID_SM_RENDER_CAMERAS));
|
|
|
|
// let all nodes register themselves
|
|
OnRegisterSceneNode();
|
|
|
|
//render camera scenes
|
|
{
|
|
IRR_PROFILE(CProfileScope psCam(EPID_SM_RENDER_CAMERAS);)
|
|
CurrentRenderPass = ESNRP_CAMERA;
|
|
Driver->getOverrideMaterial().Enabled = ((Driver->getOverrideMaterial().EnablePasses & CurrentRenderPass) != 0);
|
|
|
|
for (i=0; i<CameraList.size(); ++i)
|
|
CameraList[i]->render();
|
|
|
|
CameraList.set_used(0);
|
|
}
|
|
|
|
// render skyboxes
|
|
{
|
|
IRR_PROFILE(CProfileScope psSkyBox(EPID_SM_RENDER_SKYBOXES);)
|
|
CurrentRenderPass = ESNRP_SKY_BOX;
|
|
Driver->getOverrideMaterial().Enabled = ((Driver->getOverrideMaterial().EnablePasses & CurrentRenderPass) != 0);
|
|
|
|
for (i=0; i<SkyBoxList.size(); ++i)
|
|
SkyBoxList[i]->render();
|
|
|
|
SkyBoxList.set_used(0);
|
|
}
|
|
|
|
// render default objects
|
|
{
|
|
IRR_PROFILE(CProfileScope psDefault(EPID_SM_RENDER_DEFAULT);)
|
|
CurrentRenderPass = ESNRP_SOLID;
|
|
Driver->getOverrideMaterial().Enabled = ((Driver->getOverrideMaterial().EnablePasses & CurrentRenderPass) != 0);
|
|
|
|
SolidNodeList.sort(); // sort by textures
|
|
|
|
for (i=0; i<SolidNodeList.size(); ++i)
|
|
SolidNodeList[i].Node->render();
|
|
|
|
#ifdef _IRR_SCENEMANAGER_DEBUG
|
|
Parameters->setAttribute("drawn_solid", (s32) SolidNodeList.size() );
|
|
#endif
|
|
SolidNodeList.set_used(0);
|
|
}
|
|
|
|
// render transparent objects.
|
|
{
|
|
IRR_PROFILE(CProfileScope psTrans(EPID_SM_RENDER_TRANSPARENT);)
|
|
CurrentRenderPass = ESNRP_TRANSPARENT;
|
|
Driver->getOverrideMaterial().Enabled = ((Driver->getOverrideMaterial().EnablePasses & CurrentRenderPass) != 0);
|
|
|
|
TransparentNodeList.sort(); // sort by distance from camera
|
|
for (i=0; i<TransparentNodeList.size(); ++i)
|
|
TransparentNodeList[i].Node->render();
|
|
|
|
#ifdef _IRR_SCENEMANAGER_DEBUG
|
|
Parameters->setAttribute ( "drawn_transparent", (s32) TransparentNodeList.size() );
|
|
#endif
|
|
TransparentNodeList.set_used(0);
|
|
}
|
|
|
|
// render transparent effect objects.
|
|
{
|
|
IRR_PROFILE(CProfileScope psEffect(EPID_SM_RENDER_EFFECT);)
|
|
CurrentRenderPass = ESNRP_TRANSPARENT_EFFECT;
|
|
Driver->getOverrideMaterial().Enabled = ((Driver->getOverrideMaterial().EnablePasses & CurrentRenderPass) != 0);
|
|
|
|
TransparentEffectNodeList.sort(); // sort by distance from camera
|
|
|
|
for (i=0; i<TransparentEffectNodeList.size(); ++i)
|
|
TransparentEffectNodeList[i].Node->render();
|
|
#ifdef _IRR_SCENEMANAGER_DEBUG
|
|
Parameters->setAttribute("drawn_transparent_effect", (s32) TransparentEffectNodeList.size());
|
|
#endif
|
|
TransparentEffectNodeList.set_used(0);
|
|
}
|
|
|
|
// render custom gui nodes
|
|
{
|
|
IRR_PROFILE(CProfileScope psEffect(EPID_SM_RENDER_GUI_NODES);)
|
|
CurrentRenderPass = ESNRP_GUI;
|
|
Driver->getOverrideMaterial().Enabled = ((Driver->getOverrideMaterial().EnablePasses & CurrentRenderPass) != 0);
|
|
|
|
for (i=0; i<GuiNodeList.size(); ++i)
|
|
GuiNodeList[i]->render();
|
|
#ifdef _IRR_SCENEMANAGER_DEBUG
|
|
Parameters->setAttribute("drawn_gui_nodes", (s32) GuiNodeList.size());
|
|
#endif
|
|
GuiNodeList.set_used(0);
|
|
}
|
|
clearDeletionList();
|
|
|
|
CurrentRenderPass = ESNRP_NONE;
|
|
}
|
|
|
|
|
|
//! Adds an external mesh loader.
|
|
void CSceneManager::addExternalMeshLoader(IMeshLoader* externalLoader)
|
|
{
|
|
if (!externalLoader)
|
|
return;
|
|
|
|
externalLoader->grab();
|
|
MeshLoaderList.push_back(externalLoader);
|
|
}
|
|
|
|
|
|
//! Returns the number of mesh loaders supported by Irrlicht at this time
|
|
u32 CSceneManager::getMeshLoaderCount() const
|
|
{
|
|
return MeshLoaderList.size();
|
|
}
|
|
|
|
|
|
//! Retrieve the given mesh loader
|
|
IMeshLoader* CSceneManager::getMeshLoader(u32 index) const
|
|
{
|
|
if (index < MeshLoaderList.size())
|
|
return MeshLoaderList[index];
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
|
|
//! Adds an external scene loader.
|
|
void CSceneManager::addExternalSceneLoader(ISceneLoader* externalLoader)
|
|
{
|
|
if (!externalLoader)
|
|
return;
|
|
|
|
externalLoader->grab();
|
|
SceneLoaderList.push_back(externalLoader);
|
|
}
|
|
|
|
|
|
//! Returns the number of scene loaders
|
|
u32 CSceneManager::getSceneLoaderCount() const
|
|
{
|
|
return SceneLoaderList.size();
|
|
}
|
|
|
|
|
|
//! Retrieve the given scene loader
|
|
ISceneLoader* CSceneManager::getSceneLoader(u32 index) const
|
|
{
|
|
if (index < SceneLoaderList.size())
|
|
return SceneLoaderList[index];
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
//! Returns a pointer to the scene collision manager.
|
|
ISceneCollisionManager* CSceneManager::getSceneCollisionManager()
|
|
{
|
|
return CollisionManager;
|
|
}
|
|
|
|
|
|
//! Returns a pointer to the mesh manipulator.
|
|
IMeshManipulator* CSceneManager::getMeshManipulator()
|
|
{
|
|
return Driver->getMeshManipulator();
|
|
}
|
|
|
|
|
|
//! Adds a scene node to the deletion queue.
|
|
void CSceneManager::addToDeletionQueue(ISceneNode* node)
|
|
{
|
|
if (!node)
|
|
return;
|
|
|
|
node->grab();
|
|
DeletionList.push_back(node);
|
|
}
|
|
|
|
|
|
//! clears the deletion list
|
|
void CSceneManager::clearDeletionList()
|
|
{
|
|
if (DeletionList.empty())
|
|
return;
|
|
|
|
for (u32 i=0; i<DeletionList.size(); ++i)
|
|
{
|
|
DeletionList[i]->remove();
|
|
DeletionList[i]->drop();
|
|
}
|
|
|
|
DeletionList.clear();
|
|
}
|
|
|
|
|
|
//! Returns the first scene node with the specified name.
|
|
ISceneNode* CSceneManager::getSceneNodeFromName(const char* name, ISceneNode* start)
|
|
{
|
|
if (start == 0)
|
|
start = getRootSceneNode();
|
|
|
|
if (!strcmp(start->getName(),name))
|
|
return start;
|
|
|
|
ISceneNode* node = 0;
|
|
|
|
const ISceneNodeList& list = start->getChildren();
|
|
ISceneNodeList::ConstIterator it = list.begin();
|
|
for (; it!=list.end(); ++it)
|
|
{
|
|
node = getSceneNodeFromName(name, *it);
|
|
if (node)
|
|
return node;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
//! Returns the first scene node with the specified id.
|
|
ISceneNode* CSceneManager::getSceneNodeFromId(s32 id, ISceneNode* start)
|
|
{
|
|
if (start == 0)
|
|
start = getRootSceneNode();
|
|
|
|
if (start->getID() == id)
|
|
return start;
|
|
|
|
ISceneNode* node = 0;
|
|
|
|
const ISceneNodeList& list = start->getChildren();
|
|
ISceneNodeList::ConstIterator it = list.begin();
|
|
for (; it!=list.end(); ++it)
|
|
{
|
|
node = getSceneNodeFromId(id, *it);
|
|
if (node)
|
|
return node;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
//! Returns the first scene node with the specified type.
|
|
ISceneNode* CSceneManager::getSceneNodeFromType(scene::ESCENE_NODE_TYPE type, ISceneNode* start)
|
|
{
|
|
if (start == 0)
|
|
start = getRootSceneNode();
|
|
|
|
if (start->getType() == type || ESNT_ANY == type)
|
|
return start;
|
|
|
|
ISceneNode* node = 0;
|
|
|
|
const ISceneNodeList& list = start->getChildren();
|
|
ISceneNodeList::ConstIterator it = list.begin();
|
|
for (; it!=list.end(); ++it)
|
|
{
|
|
node = getSceneNodeFromType(type, *it);
|
|
if (node)
|
|
return node;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
//! returns scene nodes by type.
|
|
void CSceneManager::getSceneNodesFromType(ESCENE_NODE_TYPE type, core::array<scene::ISceneNode*>& outNodes, ISceneNode* start)
|
|
{
|
|
if (start == 0)
|
|
start = getRootSceneNode();
|
|
|
|
if (start->getType() == type || ESNT_ANY == type)
|
|
outNodes.push_back(start);
|
|
|
|
const ISceneNodeList& list = start->getChildren();
|
|
ISceneNodeList::ConstIterator it = list.begin();
|
|
|
|
for (; it!=list.end(); ++it)
|
|
{
|
|
getSceneNodesFromType(type, outNodes, *it);
|
|
}
|
|
}
|
|
|
|
|
|
//! Posts an input event to the environment. Usually you do not have to
|
|
//! use this method, it is used by the internal engine.
|
|
bool CSceneManager::postEventFromUser(const SEvent& event)
|
|
{
|
|
bool ret = false;
|
|
ICameraSceneNode* cam = getActiveCamera();
|
|
if (cam)
|
|
ret = cam->OnEvent(event);
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
//! Removes all children of this scene node
|
|
void CSceneManager::removeAll()
|
|
{
|
|
ISceneNode::removeAll();
|
|
setActiveCamera(0);
|
|
// Make sure the driver is reset, might need a more complex method at some point
|
|
if (Driver)
|
|
Driver->setMaterial(video::SMaterial());
|
|
}
|
|
|
|
|
|
//! Clears the whole scene. All scene nodes are removed.
|
|
void CSceneManager::clear()
|
|
{
|
|
removeAll();
|
|
}
|
|
|
|
|
|
//! Returns interface to the parameters set in this scene.
|
|
io::IAttributes* CSceneManager::getParameters()
|
|
{
|
|
return Parameters;
|
|
}
|
|
|
|
|
|
//! Returns current render pass.
|
|
E_SCENE_NODE_RENDER_PASS CSceneManager::getSceneNodeRenderPass() const
|
|
{
|
|
return CurrentRenderPass;
|
|
}
|
|
|
|
|
|
//! Returns an interface to the mesh cache which is shared between all existing scene managers.
|
|
IMeshCache* CSceneManager::getMeshCache()
|
|
{
|
|
return MeshCache;
|
|
}
|
|
|
|
|
|
//! Creates a new scene manager.
|
|
ISceneManager* CSceneManager::createNewSceneManager(bool cloneContent)
|
|
{
|
|
CSceneManager* manager = new CSceneManager(Driver, FileSystem, CursorControl, MeshCache, GUIEnvironment);
|
|
|
|
if (cloneContent)
|
|
manager->cloneMembers(this, manager);
|
|
|
|
return manager;
|
|
}
|
|
|
|
|
|
//! Returns the default scene node factory which can create all built in scene nodes
|
|
ISceneNodeFactory* CSceneManager::getDefaultSceneNodeFactory()
|
|
{
|
|
return getSceneNodeFactory(0);
|
|
}
|
|
|
|
|
|
//! Adds a scene node factory to the scene manager.
|
|
void CSceneManager::registerSceneNodeFactory(ISceneNodeFactory* factoryToAdd)
|
|
{
|
|
if (factoryToAdd)
|
|
{
|
|
factoryToAdd->grab();
|
|
SceneNodeFactoryList.push_back(factoryToAdd);
|
|
}
|
|
}
|
|
|
|
|
|
//! Returns amount of registered scene node factories.
|
|
u32 CSceneManager::getRegisteredSceneNodeFactoryCount() const
|
|
{
|
|
return SceneNodeFactoryList.size();
|
|
}
|
|
|
|
|
|
//! Returns a scene node factory by index
|
|
ISceneNodeFactory* CSceneManager::getSceneNodeFactory(u32 index)
|
|
{
|
|
if (index < SceneNodeFactoryList.size())
|
|
return SceneNodeFactoryList[index];
|
|
|
|
return 0;
|
|
}
|
|
|
|
//! Saves the current scene into a file.
|
|
//! \param filename: Name of the file .
|
|
bool CSceneManager::saveScene(const io::path& filename, ISceneUserDataSerializer* userDataSerializer, ISceneNode* node)
|
|
{
|
|
bool ret = false;
|
|
io::IWriteFile* file = FileSystem->createAndWriteFile(filename);
|
|
if (file)
|
|
{
|
|
ret = saveScene(file, userDataSerializer, node);
|
|
file->drop();
|
|
}
|
|
else
|
|
os::Printer::log("Unable to open file", filename, ELL_ERROR);
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
//! Saves the current scene into a file.
|
|
bool CSceneManager::saveScene(io::IWriteFile* file, ISceneUserDataSerializer* userDataSerializer, ISceneNode* node)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
|
|
//! Loads a scene.
|
|
bool CSceneManager::loadScene(const io::path& filename, ISceneUserDataSerializer* userDataSerializer, ISceneNode* rootNode)
|
|
{
|
|
io::IReadFile* file = FileSystem->createAndOpenFile(filename);
|
|
if (!file)
|
|
{
|
|
os::Printer::log("Unable to open scene file", filename.c_str(), ELL_ERROR);
|
|
return false;
|
|
}
|
|
|
|
const bool ret = loadScene(file, userDataSerializer, rootNode);
|
|
file->drop();
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
//! Loads a scene. Note that the current scene is not cleared before.
|
|
bool CSceneManager::loadScene(io::IReadFile* file, ISceneUserDataSerializer* userDataSerializer, ISceneNode* rootNode)
|
|
{
|
|
if (!file)
|
|
{
|
|
os::Printer::log("Unable to open scene file", ELL_ERROR);
|
|
return false;
|
|
}
|
|
|
|
bool ret = false;
|
|
|
|
// try scene loaders in reverse order
|
|
s32 i = SceneLoaderList.size()-1;
|
|
for (; i >= 0 && !ret; --i)
|
|
if (SceneLoaderList[i]->isALoadableFileFormat(file))
|
|
ret = SceneLoaderList[i]->loadScene(file, userDataSerializer, rootNode);
|
|
|
|
if (!ret)
|
|
os::Printer::log("Could not load scene file, perhaps the format is unsupported: ", file->getFileName().c_str(), ELL_ERROR);
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
//! Returns a typename from a scene node type or null if not found
|
|
const c8* CSceneManager::getSceneNodeTypeName(ESCENE_NODE_TYPE type)
|
|
{
|
|
const char* name = 0;
|
|
|
|
for (s32 i=(s32)SceneNodeFactoryList.size()-1; !name && i>=0; --i)
|
|
name = SceneNodeFactoryList[i]->getCreateableSceneNodeTypeName(type);
|
|
|
|
return name;
|
|
}
|
|
|
|
//! Adds a scene node to the scene by name
|
|
ISceneNode* CSceneManager::addSceneNode(const char* sceneNodeTypeName, ISceneNode* parent)
|
|
{
|
|
ISceneNode* node = 0;
|
|
|
|
for (s32 i=(s32)SceneNodeFactoryList.size()-1; i>=0 && !node; --i)
|
|
node = SceneNodeFactoryList[i]->addSceneNode(sceneNodeTypeName, parent);
|
|
|
|
return node;
|
|
}
|
|
|
|
//! Writes attributes of the scene node.
|
|
void CSceneManager::serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options) const
|
|
{
|
|
out->addString ("Name", Name.c_str());
|
|
out->addInt ("Id", ID );
|
|
out->addColorf ("AmbientLight", AmbientLight);
|
|
|
|
// fog attributes from video driver
|
|
video::SColor color;
|
|
video::E_FOG_TYPE fogType;
|
|
f32 start, end, density;
|
|
bool pixelFog, rangeFog;
|
|
|
|
Driver->getFog(color, fogType, start, end, density, pixelFog, rangeFog);
|
|
|
|
out->addEnum("FogType", fogType, video::FogTypeNames);
|
|
out->addColorf("FogColor", color);
|
|
out->addFloat("FogStart", start);
|
|
out->addFloat("FogEnd", end);
|
|
out->addFloat("FogDensity", density);
|
|
out->addBool("FogPixel", pixelFog);
|
|
out->addBool("FogRange", rangeFog);
|
|
}
|
|
|
|
//! Reads attributes of the scene node.
|
|
void CSceneManager::deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options)
|
|
{
|
|
Name = in->getAttributeAsString("Name");
|
|
ID = in->getAttributeAsInt("Id");
|
|
AmbientLight = in->getAttributeAsColorf("AmbientLight");
|
|
|
|
// fog attributes
|
|
video::SColor color;
|
|
video::E_FOG_TYPE fogType;
|
|
f32 start, end, density;
|
|
bool pixelFog, rangeFog;
|
|
if (in->existsAttribute("FogType"))
|
|
{
|
|
fogType = (video::E_FOG_TYPE) in->getAttributeAsEnumeration("FogType", video::FogTypeNames);
|
|
color = in->getAttributeAsColorf("FogColor").toSColor();
|
|
start = in->getAttributeAsFloat("FogStart");
|
|
end = in->getAttributeAsFloat("FogEnd");
|
|
density = in->getAttributeAsFloat("FogDensity");
|
|
pixelFog = in->getAttributeAsBool("FogPixel");
|
|
rangeFog = in->getAttributeAsBool("FogRange");
|
|
Driver->setFog(color, fogType, start, end, density, pixelFog, rangeFog);
|
|
}
|
|
|
|
RelativeTranslation.set(0,0,0);
|
|
RelativeRotation.set(0,0,0);
|
|
RelativeScale.set(1,1,1);
|
|
IsVisible = true;
|
|
AutomaticCullingState = scene::EAC_BOX;
|
|
DebugDataVisible = scene::EDS_OFF;
|
|
IsDebugObject = false;
|
|
|
|
updateAbsolutePosition();
|
|
}
|
|
|
|
|
|
//! Sets ambient color of the scene
|
|
void CSceneManager::setAmbientLight(const video::SColorf &ambientColor)
|
|
{
|
|
AmbientLight = ambientColor;
|
|
}
|
|
|
|
|
|
//! Returns ambient color of the scene
|
|
const video::SColorf& CSceneManager::getAmbientLight() const
|
|
{
|
|
return AmbientLight;
|
|
}
|
|
|
|
|
|
//! Get a skinned mesh, which is not available as header-only code
|
|
ISkinnedMesh* CSceneManager::createSkinnedMesh()
|
|
{
|
|
#ifdef _IRR_COMPILE_WITH_SKINNED_MESH_SUPPORT_
|
|
return new CSkinnedMesh();
|
|
#else
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
//! Returns a mesh writer implementation if available
|
|
IMeshWriter* CSceneManager::createMeshWriter(EMESH_WRITER_TYPE type)
|
|
{
|
|
switch(type)
|
|
{
|
|
case EMWT_IRR_MESH:
|
|
case EMWT_COLLADA:
|
|
return 0;
|
|
case EMWT_STL:
|
|
#ifdef _IRR_COMPILE_WITH_STL_WRITER_
|
|
return new CSTLMeshWriter(this);
|
|
#else
|
|
return 0;
|
|
#endif
|
|
case EMWT_OBJ:
|
|
#ifdef _IRR_COMPILE_WITH_OBJ_WRITER_
|
|
return new COBJMeshWriter(this, FileSystem);
|
|
#else
|
|
return 0;
|
|
#endif
|
|
|
|
case EMWT_PLY:
|
|
#ifdef _IRR_COMPILE_WITH_PLY_WRITER_
|
|
return new CPLYMeshWriter();
|
|
#else
|
|
return 0;
|
|
#endif
|
|
|
|
case EMWT_B3D:
|
|
#ifdef _IRR_COMPILE_WITH_B3D_WRITER_
|
|
return new CB3DMeshWriter();
|
|
#else
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
// creates a scenemanager
|
|
ISceneManager* createSceneManager(video::IVideoDriver* driver,
|
|
io::IFileSystem* fs, gui::ICursorControl* cursorcontrol,
|
|
gui::IGUIEnvironment *guiEnvironment)
|
|
{
|
|
return new CSceneManager(driver, fs, cursorcontrol, 0, guiEnvironment );
|
|
}
|
|
|
|
|
|
} // end namespace scene
|
|
} // end namespace irr
|
|
|