1039 lines
26 KiB
C++
1039 lines
26 KiB
C++
// Copyright (C) 2002-2007 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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// orginally written by Christian Stehno, modified by Nikolaus Gebhardt
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#include "IrrCompileConfig.h"
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#ifdef _IRR_COMPILE_WITH_OGRE_LOADER_
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#include "COgreMeshFileLoader.h"
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#include "os.h"
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#include "SMeshBuffer.h"
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#include "SAnimatedMesh.h"
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#include "IReadFile.h"
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#include "fast_atof.h"
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#include "coreutil.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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// Main Chunks
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const u16 COGRE_HEADER= 0x1000;
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const u16 COGRE_MESH= 0x3000;
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// sub chunks of COGRE_MESH
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const u16 COGRE_SUBMESH= 0x4000;
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const u16 COGRE_GEOMETRY= 0x5000;
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const u16 COGRE_SKELETON_LINK= 0x6000;
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const u16 COGRE_BONE_ASSIGNMENT= 0x7000;
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const u16 COGRE_MESH_LOD= 0x8000;
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const u16 COGRE_MESH_BOUNDS= 0x9000;
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const u16 COGRE_MESH_SUBMESH_NAME_TABLE= 0xA000;
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const u16 COGRE_MESH_EDGE_LISTS= 0xB000;
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// sub chunks of COGRE_GEOMETRY
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const u16 COGRE_GEOMETRY_VERTEX_DECLARATION= 0x5100;
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const u16 COGRE_GEOMETRY_VERTEX_ELEMENT= 0x5110;
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const u16 COGRE_GEOMETRY_VERTEX_BUFFER= 0x5200;
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const u16 COGRE_GEOMETRY_VERTEX_BUFFER_DATA= 0x5210;
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// sub chunks of COGRE_SUBMESH
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const u16 COGRE_SUBMESH_OPERATION= 0x4010;
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const u16 COGRE_SUBMESH_BONE_ASSIGNMENT= 0x4100;
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const u16 COGRE_SUBMESH_TEXTURE_ALIAS= 0x4200;
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//! Constructor
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COgreMeshFileLoader::COgreMeshFileLoader(IMeshManipulator* manip,io::IFileSystem* fs, video::IVideoDriver* driver)
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: FileSystem(fs), Driver(driver), SwapEndian(false), Mesh(0), Manipulator(manip), NumUV(0)
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{
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if (FileSystem)
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FileSystem->grab();
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if (Driver)
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Driver->grab();
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}
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//! destructor
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COgreMeshFileLoader::~COgreMeshFileLoader()
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{
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clearMeshes();
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if (FileSystem)
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FileSystem->drop();
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if (Driver)
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Driver->drop();
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if (Mesh)
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Mesh->drop();
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}
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//! returns true if the file maybe is able to be loaded by this class
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//! based on the file extension (e.g. ".bsp")
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bool COgreMeshFileLoader::isALoadableFileExtension(const c8* filename) const
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{
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return strstr(filename, ".mesh")!=0;
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}
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//! creates/loads an animated mesh from the file.
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//! \return Pointer to the created mesh. Returns 0 if loading failed.
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//! If you no longer need the mesh, you should call IAnimatedMesh::drop().
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//! See IReferenceCounted::drop() for more information.
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IAnimatedMesh* COgreMeshFileLoader::createMesh(io::IReadFile* file)
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{
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s16 id;
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file->read(&id, 2);
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if (id == COGRE_HEADER)
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SwapEndian=false;
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else if (id == 0x0010)
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SwapEndian=true;
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else
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return 0;
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ChunkData data;
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readString(file, data, Version);
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if ((Version != "[MeshSerializer_v1.30]") && (Version != "[MeshSerializer_v1.40]"))
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return 0;
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clearMeshes();
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if (Mesh)
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Mesh->drop();
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Mesh = new SMesh();
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setCurrentlyLoadingPath(file);
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loadMaterials(file);
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if (readChunk(file))
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{
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// success
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SAnimatedMesh* am = new SAnimatedMesh();
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am->Type = EAMT_3DS;
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for (u32 i=0; i<Mesh->getMeshBufferCount(); ++i)
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((SMeshBuffer*)Mesh->getMeshBuffer(i))->recalculateBoundingBox();
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Mesh->recalculateBoundingBox();
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am->addMesh(Mesh);
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am->recalculateBoundingBox();
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Mesh->drop();
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Mesh = 0;
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return am;
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}
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Mesh->drop();
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Mesh = 0;
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return 0;
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}
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bool COgreMeshFileLoader::readChunk(io::IReadFile* file)
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{
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while(file->getPos() < file->getSize())
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{
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ChunkData data;
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readChunkData(file, data);
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switch(data.header.id)
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{
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case COGRE_MESH:
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{
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Meshes.push_back(OgreMesh());
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readObjectChunk(file, data, Meshes.getLast());
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composeObject();
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}
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break;
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default:
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return true;
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}
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}
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return true;
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}
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bool COgreMeshFileLoader::readObjectChunk(io::IReadFile* file, ChunkData& parent, OgreMesh& mesh)
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{
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readBool(file, parent, mesh.SkeletalAnimation);
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while ((parent.read < parent.header.length)&&(file->getPos() < file->getSize()))
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{
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ChunkData data;
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readChunkData(file, data);
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switch(data.header.id)
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{
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case COGRE_GEOMETRY:
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{
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readGeometry(file, data, mesh.Geometry);
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}
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break;
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case COGRE_SUBMESH:
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mesh.SubMeshes.push_back(OgreSubMesh());
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readSubMesh(file, data, mesh.SubMeshes.getLast());
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break;
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case COGRE_MESH_BOUNDS:
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{
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readVector(file, data, mesh.BBoxMinEdge);
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readVector(file, data, mesh.BBoxMaxEdge);
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readFloat(file, data, mesh.BBoxRadius);
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}
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break;
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case COGRE_SKELETON_LINK:
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case COGRE_BONE_ASSIGNMENT:
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case COGRE_MESH_LOD:
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case COGRE_MESH_SUBMESH_NAME_TABLE:
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case COGRE_MESH_EDGE_LISTS:
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// ignore chunk
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file->seek(data.header.length-data.read, true);
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data.read += data.header.length-data.read;
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break;
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default:
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parent.read=parent.header.length;
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file->seek(-(long)sizeof(ChunkHeader), true);
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return true;
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}
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parent.read += data.read;
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}
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return true;
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}
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bool COgreMeshFileLoader::readGeometry(io::IReadFile* file, ChunkData& parent, OgreGeometry& geometry)
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{
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readInt(file, parent, geometry.NumVertex);
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while(parent.read < parent.header.length)
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{
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ChunkData data;
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readChunkData(file, data);
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switch(data.header.id)
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{
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case COGRE_GEOMETRY_VERTEX_DECLARATION:
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readVertexDeclaration(file, data, geometry);
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break;
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case COGRE_GEOMETRY_VERTEX_BUFFER:
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readVertexBuffer(file, data, geometry);
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break;
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default:
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// ignore chunk
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file->seek(data.header.length-data.read, true);
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data.read += data.header.length-data.read;
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}
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parent.read += data.read;
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}
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return true;
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}
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bool COgreMeshFileLoader::readVertexDeclaration(io::IReadFile* file, ChunkData& parent, OgreGeometry& geometry)
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{
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NumUV = 0;
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while(parent.read < parent.header.length)
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{
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ChunkData data;
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readChunkData(file, data);
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switch(data.header.id)
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{
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case COGRE_GEOMETRY_VERTEX_ELEMENT:
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{
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OgreVertexElement elem;
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readShort(file, data, elem.Source);
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readShort(file, data, elem.Type);
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readShort(file, data, elem.Semantic);
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if (elem.Semantic == 7) //Tex coords
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{
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++NumUV;
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}
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readShort(file, data, elem.Offset);
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elem.Offset /= sizeof(f32);
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readShort(file, data, elem.Index);
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geometry.Elements.push_back(elem);
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}
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break;
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default:
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// ignore chunk
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file->seek(data.header.length-data.read, true);
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data.read += data.header.length-data.read;
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}
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parent.read += data.read;
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}
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return true;
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}
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bool COgreMeshFileLoader::readVertexBuffer(io::IReadFile* file, ChunkData& parent, OgreGeometry& geometry)
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{
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OgreVertexBuffer buf;
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readShort(file, parent, buf.BindIndex);
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readShort(file, parent, buf.VertexSize);
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buf.VertexSize /= sizeof(f32);
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ChunkData data;
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readChunkData(file, data);
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if (data.header.id == COGRE_GEOMETRY_VERTEX_BUFFER_DATA)
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{
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buf.Data = new f32[geometry.NumVertex*buf.VertexSize];
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for (s32 i=0; i<geometry.NumVertex*buf.VertexSize; ++i)
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readFloat(file, data, buf.Data[i]);
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}
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geometry.Buffers.push_back(buf);
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parent.read += data.read;
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return true;
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}
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bool COgreMeshFileLoader::readSubMesh(io::IReadFile* file, ChunkData& parent, OgreSubMesh& subMesh)
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{
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readString(file, parent, subMesh.Material);
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readBool(file, parent, subMesh.SharedVertices);
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s32 numIndices;
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readInt(file, parent, numIndices);
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subMesh.Indices.set_used(numIndices);
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readBool(file, parent, subMesh.Indices32Bit);
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if (subMesh.Indices32Bit)
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for (s32 i=0; i<numIndices; ++i)
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readInt(file, parent, subMesh.Indices[i]);
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else
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for (s32 i=0; i<numIndices; ++i)
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{
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u16 num;
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readShort(file, parent, num);
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subMesh.Indices[i]=num;
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}
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if (!subMesh.SharedVertices)
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{
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ChunkData data;
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readChunkData(file, data);
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if (data.header.id==COGRE_GEOMETRY)
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{
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readGeometry(file, data, subMesh.Geometry);
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}
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parent.read += data.read;
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}
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while(parent.read < parent.header.length)
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{
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ChunkData data;
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readChunkData(file, data);
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switch(data.header.id)
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{
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case COGRE_SUBMESH_OPERATION:
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readShort(file, data, subMesh.Operation);
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break;
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case COGRE_SUBMESH_TEXTURE_ALIAS:
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{
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core::stringc texture, alias;
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readString(file, data, texture);
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readString(file, data, alias);
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subMesh.TextureAliases.push_back(OgreTextureAlias(texture,alias));
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}
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break;
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case COGRE_SUBMESH_BONE_ASSIGNMENT:
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// currently ignore chunk
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file->seek(data.header.length-data.read, true);
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data.read += data.header.length-data.read;
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break;
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default:
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parent.read=parent.header.length;
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file->seek(-(long)sizeof(ChunkHeader), true);
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return true;
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}
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parent.read += data.read;
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}
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return true;
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}
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void COgreMeshFileLoader::composeMeshBufferMaterial(scene::IMeshBuffer* mb, const core::stringc& materialName)
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{
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video::SMaterial& material=mb->getMaterial();
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for (u32 k=0; k<Materials.size(); ++k)
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{
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if ((materialName==Materials[k].Name)&&(Materials[k].Techniques.size())&&(Materials[k].Techniques[0].Passes.size()))
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{
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material=Materials[k].Techniques[0].Passes[0].Material;
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if (Materials[k].Techniques[0].Passes[0].Texture.Filename.size())
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{
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material.setTexture(0, Driver->getTexture(Materials[k].Techniques[0].Passes[0].Texture.Filename.c_str()));
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if (!material.getTexture(0))
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{
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// retry with relative path
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core::stringc relative = Materials[k].Techniques[0].Passes[0].Texture.Filename;
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s32 idx = relative.findLast('\\');
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if (idx != -1)
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relative = relative.subString(idx+1, relative.size()-idx-1);
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idx = relative.findLast('/');
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if (idx != -1)
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relative = relative.subString(idx+1, relative.size()-idx-1);
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material.setTexture(0, Driver->getTexture((CurrentlyLoadingFromPath+"/"+relative).c_str()));
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}
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}
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break;
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}
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}
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}
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scene::SMeshBuffer* COgreMeshFileLoader::composeMeshBuffer(const core::array<s32>& indices, const OgreGeometry& geom)
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{
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scene::SMeshBuffer *mb=new scene::SMeshBuffer();
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u32 i;
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mb->Indices.set_used(indices.size());
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for (i=0; i<indices.size(); ++i)
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mb->Indices[i]=indices[i];
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mb->Vertices.set_used(geom.NumVertex);
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for (i=0; i<geom.Elements.size(); ++i)
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{
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if (geom.Elements[i].Semantic==1) //Pos
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{
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for (u32 j=0; j<geom.Buffers.size(); ++j)
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{
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if (geom.Elements[i].Index==geom.Buffers[j].BindIndex)
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{
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u32 eSize=geom.Buffers[j].VertexSize;
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u32 ePos=geom.Elements[i].Offset;
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for (s32 k=0; k<geom.NumVertex; ++k)
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{
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mb->Vertices[k].Color=mb->Material.DiffuseColor;
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mb->Vertices[k].Pos.set(geom.Buffers[j].Data[ePos],geom.Buffers[j].Data[ePos+1],geom.Buffers[j].Data[ePos+2]);
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ePos += eSize;
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}
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}
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}
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}
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if (geom.Elements[i].Semantic==4) //Normal
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{
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for (u32 j=0; j<geom.Buffers.size(); ++j)
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{
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if (geom.Elements[i].Index==geom.Buffers[j].BindIndex)
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{
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u32 eSize=geom.Buffers[j].VertexSize;
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u32 ePos=geom.Elements[i].Offset;
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for (s32 k=0; k<geom.NumVertex; ++k)
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{
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mb->Vertices[k].Normal.set(geom.Buffers[j].Data[ePos],geom.Buffers[j].Data[ePos+1],geom.Buffers[j].Data[ePos+2]);
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ePos += eSize;
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}
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}
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}
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}
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if (geom.Elements[i].Semantic==7) //TexCoord
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{
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for (u32 j=0; j<geom.Buffers.size(); ++j)
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{
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if (geom.Elements[i].Index==geom.Buffers[j].BindIndex)
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{
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u32 eSize=geom.Buffers[j].VertexSize;
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u32 ePos=geom.Elements[i].Offset;
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for (s32 k=0; k<geom.NumVertex; ++k)
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{
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mb->Vertices[k].TCoords.set(geom.Buffers[j].Data[ePos],geom.Buffers[j].Data[ePos+1]);
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ePos += eSize;
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}
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}
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}
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}
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}
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return mb;
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}
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scene::SMeshBufferLightMap* COgreMeshFileLoader::composeMeshBufferLightMap(const core::array<s32>& indices, const OgreGeometry& geom)
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{
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scene::SMeshBufferLightMap *mb=new scene::SMeshBufferLightMap();
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u32 i;
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mb->Indices.set_used(indices.size());
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for (i=0; i<indices.size(); ++i)
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mb->Indices[i]=indices[i];
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mb->Vertices.set_used(geom.NumVertex);
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for (i=0; i<geom.Elements.size(); ++i)
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{
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if (geom.Elements[i].Semantic==1) //Pos
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{
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for (u32 j=0; j<geom.Buffers.size(); ++j)
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{
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if (geom.Elements[i].Index==geom.Buffers[j].BindIndex)
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{
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u32 eSize=geom.Buffers[j].VertexSize;
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u32 ePos=geom.Elements[i].Offset;
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for (s32 k=0; k<geom.NumVertex; ++k)
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{
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mb->Vertices[k].Color=mb->Material.DiffuseColor;
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mb->Vertices[k].Pos.set(geom.Buffers[j].Data[ePos],geom.Buffers[j].Data[ePos+1],geom.Buffers[j].Data[ePos+2]);
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ePos += eSize;
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}
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}
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}
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}
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if (geom.Elements[i].Semantic==4) //Normal
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{
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for (u32 j=0; j<geom.Buffers.size(); ++j)
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{
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if (geom.Elements[i].Index==geom.Buffers[j].BindIndex)
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{
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u32 eSize=geom.Buffers[j].VertexSize;
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u32 ePos=geom.Elements[i].Offset;
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for (s32 k=0; k<geom.NumVertex; ++k)
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{
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mb->Vertices[k].Normal.set(geom.Buffers[j].Data[ePos],geom.Buffers[j].Data[ePos+1],geom.Buffers[j].Data[ePos+2]);
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ePos += eSize;
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}
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}
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}
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}
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if (geom.Elements[i].Semantic==7) //TexCoord
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{
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for (u32 j=0; j<geom.Buffers.size(); ++j)
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{
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if (geom.Elements[i].Index==geom.Buffers[j].BindIndex)
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{
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u32 eSize=geom.Buffers[j].VertexSize;
|
|
u32 ePos=geom.Elements[i].Offset;
|
|
for (s32 k=0; k<geom.NumVertex; ++k)
|
|
{
|
|
mb->Vertices[k].TCoords.set(geom.Buffers[j].Data[ePos], geom.Buffers[j].Data[ePos+1]);
|
|
mb->Vertices[k].TCoords2.set(geom.Buffers[j].Data[ePos+2], geom.Buffers[j].Data[ePos+3]);
|
|
|
|
ePos += eSize;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return mb;
|
|
}
|
|
|
|
|
|
|
|
void COgreMeshFileLoader::composeObject(void)
|
|
{
|
|
for (u32 i=0; i<Meshes.size(); ++i)
|
|
{
|
|
for (u32 j=0; j<Meshes[i].SubMeshes.size(); ++j)
|
|
{
|
|
IMeshBuffer* mb;
|
|
if (Meshes[i].SubMeshes[j].SharedVertices)
|
|
{
|
|
if (NumUV < 2)
|
|
{
|
|
mb = composeMeshBuffer(Meshes[i].SubMeshes[j].Indices, Meshes[i].Geometry);
|
|
}
|
|
else
|
|
{
|
|
mb = composeMeshBufferLightMap(Meshes[i].SubMeshes[j].Indices, Meshes[i].Geometry);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (NumUV < 2)
|
|
{
|
|
mb = composeMeshBuffer(Meshes[i].SubMeshes[j].Indices, Meshes[i].SubMeshes[j].Geometry);
|
|
}
|
|
else
|
|
{
|
|
mb = composeMeshBufferLightMap(Meshes[i].SubMeshes[j].Indices, Meshes[i].SubMeshes[j].Geometry);
|
|
}
|
|
}
|
|
|
|
if (mb != 0)
|
|
{
|
|
composeMeshBufferMaterial(mb, Meshes[i].SubMeshes[j].Material);
|
|
Mesh->addMeshBuffer(mb);
|
|
mb->drop();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
core::stringc COgreMeshFileLoader::getTextureFileName(const core::stringc& texture,
|
|
core::stringc& model)
|
|
{
|
|
s32 idx = -1;
|
|
idx = model.findLast('/');
|
|
|
|
if (idx == -1)
|
|
idx = model.findLast('\\');
|
|
|
|
if (idx == -1)
|
|
return core::stringc();
|
|
|
|
core::stringc p = model.subString(0, idx+1);
|
|
p.append(texture);
|
|
return p;
|
|
}
|
|
|
|
|
|
void COgreMeshFileLoader::getMaterialToken(io::IReadFile* file, core::stringc& token, bool noNewLine)
|
|
{
|
|
c8 c=0;
|
|
token = "";
|
|
|
|
file->read(&c, sizeof(c8));
|
|
while ( core::isspace(c) && (file->getPos() < file->getSize()))
|
|
{
|
|
if (noNewLine && c=='\n')
|
|
{
|
|
file->seek(-1, true);
|
|
return;
|
|
}
|
|
file->read(&c, sizeof(c8));
|
|
}
|
|
do
|
|
{
|
|
if (c=='/')
|
|
{
|
|
file->read(&c, sizeof(c8));
|
|
if (c=='/')
|
|
{ // skip comments
|
|
while(c!='\n')
|
|
file->read(&c, sizeof(c8));
|
|
}
|
|
else
|
|
{
|
|
token.append('/');
|
|
if (core::isspace(c))
|
|
return;
|
|
}
|
|
}
|
|
token.append(c);
|
|
file->read(&c, sizeof(c8));
|
|
}
|
|
while ((!core::isspace(c)) && (file->getPos() < file->getSize()));
|
|
if (c == '\n' && noNewLine)
|
|
file->seek(-1, true);
|
|
}
|
|
|
|
|
|
|
|
bool COgreMeshFileLoader::readColor(io::IReadFile* file, video::SColor& col)
|
|
{
|
|
core::stringc token;
|
|
|
|
getMaterialToken(file, token);
|
|
if (token!="vertexcolour")
|
|
{
|
|
video::SColorf col_f;
|
|
col_f.r=core::fast_atof(token.c_str());
|
|
getMaterialToken(file, token);
|
|
col_f.g=core::fast_atof(token.c_str());
|
|
getMaterialToken(file, token);
|
|
col_f.b=core::fast_atof(token.c_str());
|
|
getMaterialToken(file, token, true);
|
|
if (token.size())
|
|
col_f.a=core::fast_atof(token.c_str());
|
|
else
|
|
col_f.a=1.0f;
|
|
if ((col_f.r==0.0f)&&(col_f.g==0.0f)&&(col_f.b==0.0f))
|
|
col.set(255,255,255,255);
|
|
else
|
|
col=col_f.toSColor();
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
|
|
void COgreMeshFileLoader::readPass(io::IReadFile* file, OgreTechnique& technique)
|
|
{
|
|
core::stringc token;
|
|
technique.Passes.push_back(OgrePass());
|
|
OgrePass& pass=technique.Passes.getLast();
|
|
|
|
getMaterialToken(file, token); //open brace or name
|
|
if (token != "{")
|
|
getMaterialToken(file, token); //open brace
|
|
|
|
getMaterialToken(file, token);
|
|
u32 inBlocks=1;
|
|
while(inBlocks)
|
|
{
|
|
if (token=="ambient")
|
|
pass.AmbientTokenColor=readColor(file, pass.Material.AmbientColor);
|
|
else if (token=="diffuse")
|
|
pass.DiffuseTokenColor=readColor(file, pass.Material.AmbientColor);
|
|
else if (token=="specular")
|
|
{
|
|
pass.SpecularTokenColor=readColor(file, pass.Material.AmbientColor);
|
|
getMaterialToken(file, token);
|
|
pass.Material.Shininess=core::fast_atof(token.c_str());
|
|
}
|
|
else if (token=="emissive")
|
|
pass.EmissiveTokenColor=readColor(file, pass.Material.AmbientColor);
|
|
else if (token=="scene_blend")
|
|
{ // TODO: Choose correct values
|
|
getMaterialToken(file, token);
|
|
if (token=="add")
|
|
pass.Material.MaterialType=video::EMT_TRANSPARENT_ADD_COLOR;
|
|
else if (token=="modulate")
|
|
pass.Material.MaterialType=video::EMT_SOLID;
|
|
else if (token=="alpha_blend")
|
|
pass.Material.MaterialType=video::EMT_TRANSPARENT_ALPHA_CHANNEL;
|
|
else if (token=="colour_blend")
|
|
pass.Material.MaterialType=video::EMT_TRANSPARENT_VERTEX_ALPHA;
|
|
else
|
|
getMaterialToken(file, token);
|
|
}
|
|
else if (token=="depth_check")
|
|
{
|
|
getMaterialToken(file, token);
|
|
pass.Material.ZBuffer=(token=="on");
|
|
}
|
|
else if (token=="depth_write")
|
|
{
|
|
getMaterialToken(file, token);
|
|
pass.Material.ZWriteEnable=(token=="on");
|
|
}
|
|
else if (token=="depth_func")
|
|
{
|
|
getMaterialToken(file, token); // Function name
|
|
}
|
|
else if (token=="depth_bias")
|
|
{
|
|
getMaterialToken(file, token); // bias value
|
|
}
|
|
else if (token=="alpha_rejection")
|
|
{
|
|
getMaterialToken(file, token); // function name
|
|
getMaterialToken(file, token); // value
|
|
}
|
|
else if (token=="cull_hardware")
|
|
{
|
|
getMaterialToken(file, token); // rotation name
|
|
}
|
|
else if (token=="cull_software")
|
|
{
|
|
getMaterialToken(file, token); // culling side
|
|
}
|
|
else if (token=="lighting")
|
|
{
|
|
getMaterialToken(file, token);
|
|
pass.Material.Lighting=(token=="on");
|
|
}
|
|
else if (token=="shading")
|
|
{
|
|
getMaterialToken(file, token);
|
|
// We take phong as gouraud
|
|
pass.Material.GouraudShading=(token!="flat");
|
|
}
|
|
else if (token=="polygon_mode")
|
|
{
|
|
getMaterialToken(file, token);
|
|
// We take points as wireframe
|
|
pass.Material.Wireframe=(token!="solid");
|
|
}
|
|
else if (token=="colour_write")
|
|
{
|
|
getMaterialToken(file, token);
|
|
pass.ColorWrite=(token=="on");
|
|
}
|
|
else if (token=="max_lights")
|
|
{
|
|
getMaterialToken(file, token);
|
|
pass.MaxLights=strtol(token.c_str(),NULL,10);
|
|
}
|
|
else if (token=="point_size")
|
|
{
|
|
getMaterialToken(file, token);
|
|
pass.PointSize=core::fast_atof(token.c_str());
|
|
}
|
|
else if (token=="point_sprites")
|
|
{
|
|
getMaterialToken(file, token);
|
|
pass.PointSprites=(token=="on");
|
|
}
|
|
else if (token=="point_size_min")
|
|
{
|
|
getMaterialToken(file, token);
|
|
pass.PointSizeMin=strtol(token.c_str(),NULL,10);
|
|
}
|
|
else if (token=="point_size_max")
|
|
{
|
|
getMaterialToken(file, token);
|
|
pass.PointSizeMax=strtol(token.c_str(),NULL,10);
|
|
}
|
|
else if (token=="texture_unit")
|
|
{
|
|
getMaterialToken(file, token); //open brace
|
|
getMaterialToken(file, token);
|
|
while(token != "}")
|
|
{
|
|
if (token=="texture")
|
|
{
|
|
getMaterialToken(file, pass.Texture.Filename);
|
|
getMaterialToken(file, pass.Texture.CoordsType, true);
|
|
getMaterialToken(file, pass.Texture.MipMaps, true);
|
|
getMaterialToken(file, pass.Texture.Alpha, true);
|
|
}
|
|
else if (token=="texture_alias")
|
|
getMaterialToken(file, pass.Texture.Alias);
|
|
else if (token=="colour_op")
|
|
{ // TODO: Choose correct values
|
|
getMaterialToken(file, token);
|
|
if (token=="add")
|
|
pass.Material.MaterialType=video::EMT_TRANSPARENT_ADD_COLOR;
|
|
else if (token=="modulate")
|
|
pass.Material.MaterialType=video::EMT_SOLID;
|
|
else if (token=="alpha_blend")
|
|
pass.Material.MaterialType=video::EMT_TRANSPARENT_ALPHA_CHANNEL;
|
|
else if (token=="colour_blend")
|
|
pass.Material.MaterialType=video::EMT_TRANSPARENT_VERTEX_ALPHA;
|
|
else
|
|
getMaterialToken(file, token);
|
|
}
|
|
getMaterialToken(file, token);
|
|
}
|
|
}
|
|
//fog_override, iteration, point_size_attenuation
|
|
//not considered yet!
|
|
getMaterialToken(file, token);
|
|
if (token=="{")
|
|
++inBlocks;
|
|
else if (token=="}")
|
|
--inBlocks;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
void COgreMeshFileLoader::readTechnique(io::IReadFile* file, OgreMaterial& mat)
|
|
{
|
|
core::stringc token;
|
|
mat.Techniques.push_back(OgreTechnique());
|
|
OgreTechnique& technique=mat.Techniques.getLast();
|
|
|
|
getMaterialToken(file, technique.Name); //open brace or name
|
|
if (technique.Name != "{")
|
|
getMaterialToken(file, token); //open brace
|
|
else
|
|
technique.Name=core::stringc((int)mat.Techniques.size());
|
|
|
|
getMaterialToken(file, token);
|
|
while (token != "}")
|
|
{
|
|
if (token == "pass")
|
|
readPass(file, technique);
|
|
else if (token == "scheme")
|
|
getMaterialToken(file, token);
|
|
else if (token == "lod_index")
|
|
getMaterialToken(file, token);
|
|
getMaterialToken(file, token);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
void COgreMeshFileLoader::loadMaterials(io::IReadFile* meshFile)
|
|
{
|
|
core::stringc token,filename=meshFile->getFileName();
|
|
core::stringc material = filename.subString(0, filename.size()-4) + "material";
|
|
io::IReadFile* file = FileSystem->createAndOpenFile(material.c_str());
|
|
|
|
if (!file)
|
|
{
|
|
os::Printer::log("Could not load OGRE material", material.c_str());
|
|
return;
|
|
}
|
|
|
|
getMaterialToken(file, token);
|
|
|
|
while (file->getPos() < file->getSize())
|
|
{
|
|
Materials.push_back(OgreMaterial());
|
|
OgreMaterial& mat = Materials.getLast();
|
|
|
|
if (token != "material")
|
|
return;
|
|
getMaterialToken(file, mat.Name);
|
|
getMaterialToken(file, token); //open brace
|
|
getMaterialToken(file, token);
|
|
while(token != "}")
|
|
{
|
|
if (token=="lod_distances") // can have several items
|
|
getMaterialToken(file, token);
|
|
else if (token=="receive_shadows")
|
|
{
|
|
getMaterialToken(file, token);
|
|
mat.ReceiveShadows=(token=="on");
|
|
}
|
|
else if (token=="transparency_casts_shadows")
|
|
{
|
|
getMaterialToken(file, token);
|
|
mat.TransparencyCastsShadows=(token=="on");
|
|
}
|
|
else if (token=="set_texture_alias")
|
|
{
|
|
getMaterialToken(file, token);
|
|
getMaterialToken(file, token);
|
|
}
|
|
else if (token=="technique")
|
|
readTechnique(file, mat);
|
|
getMaterialToken(file, token);
|
|
}
|
|
getMaterialToken(file, token);
|
|
}
|
|
|
|
file->drop();
|
|
}
|
|
|
|
|
|
|
|
void COgreMeshFileLoader::readChunkData(io::IReadFile* file, ChunkData& data)
|
|
{
|
|
file->read(&data.header, sizeof(ChunkHeader));
|
|
if (SwapEndian)
|
|
{
|
|
data.header.id = os::Byteswap::byteswap(data.header.id);
|
|
data.header.length = os::Byteswap::byteswap(data.header.length);
|
|
}
|
|
data.read += sizeof(ChunkHeader);
|
|
}
|
|
|
|
|
|
void COgreMeshFileLoader::readString(io::IReadFile* file, ChunkData& data, core::stringc& out)
|
|
{
|
|
c8 c = 0;
|
|
out = "";
|
|
|
|
while (c!='\n')
|
|
{
|
|
file->read(&c, sizeof(c8));
|
|
if (c!='\n')
|
|
out.append(c);
|
|
|
|
}
|
|
data.read+=out.size()+1;
|
|
}
|
|
|
|
|
|
void COgreMeshFileLoader::readBool(io::IReadFile* file, ChunkData& data, bool& out)
|
|
{
|
|
// normal C type because we read a bit string
|
|
char c = 0;
|
|
file->read(&c, sizeof(char));
|
|
out=(c!=0);
|
|
++data.read;
|
|
}
|
|
|
|
|
|
void COgreMeshFileLoader::readInt(io::IReadFile* file, ChunkData& data, s32& out)
|
|
{
|
|
// normal C type because we read a bit string
|
|
int tmp;
|
|
file->read(&tmp, sizeof(int));
|
|
if (SwapEndian)
|
|
{
|
|
tmp = os::Byteswap::byteswap(tmp);
|
|
}
|
|
out=tmp;
|
|
data.read+=sizeof(int);
|
|
}
|
|
|
|
|
|
void COgreMeshFileLoader::readShort(io::IReadFile* file, ChunkData& data, u16& out)
|
|
{
|
|
// normal C type because we read a bit string
|
|
short tmp;
|
|
file->read(&tmp, sizeof(short));
|
|
if (SwapEndian)
|
|
{
|
|
tmp = os::Byteswap::byteswap(tmp);
|
|
}
|
|
out=tmp;
|
|
data.read+=sizeof(short);
|
|
}
|
|
|
|
|
|
void COgreMeshFileLoader::readFloat(io::IReadFile* file, ChunkData& data, f32& out)
|
|
{
|
|
// normal C type because we read a bit string
|
|
float tmp;
|
|
file->read(&tmp, sizeof(float));
|
|
if (SwapEndian)
|
|
{
|
|
tmp = os::Byteswap::byteswap(tmp);
|
|
}
|
|
out=tmp;
|
|
data.read+=sizeof(float);
|
|
}
|
|
|
|
|
|
void COgreMeshFileLoader::readVector(io::IReadFile* file, ChunkData& data, core::vector3df& out)
|
|
{
|
|
readFloat(file, data, out.X);
|
|
readFloat(file, data, out.Y);
|
|
readFloat(file, data, out.Z);
|
|
}
|
|
|
|
void COgreMeshFileLoader::setCurrentlyLoadingPath(io::IReadFile* file)
|
|
{
|
|
CurrentlyLoadingFromPath = file->getFileName();
|
|
int idx = CurrentlyLoadingFromPath.findLast('/');
|
|
|
|
if (idx != -1)
|
|
{
|
|
CurrentlyLoadingFromPath = CurrentlyLoadingFromPath.subString(0, idx);
|
|
}
|
|
else
|
|
{
|
|
idx = CurrentlyLoadingFromPath.findLast('\\');
|
|
|
|
if (idx != -1)
|
|
CurrentlyLoadingFromPath = CurrentlyLoadingFromPath.subString(0, idx);
|
|
}
|
|
}
|
|
|
|
void COgreMeshFileLoader::clearMeshes()
|
|
{
|
|
for (u32 i=0; i<Meshes.size(); ++i)
|
|
{
|
|
for (int k=0; k<(int)Meshes[i].Geometry.Buffers.size(); ++k)
|
|
Meshes[i].Geometry.Buffers[k].destroy();
|
|
|
|
for (u32 j=0; j<Meshes[i].SubMeshes.size(); ++j)
|
|
{
|
|
for (int h=0; h<(int)Meshes[i].SubMeshes[j].Geometry.Buffers.size(); ++h)
|
|
Meshes[i].SubMeshes[j].Geometry.Buffers[h].destroy();
|
|
}
|
|
}
|
|
|
|
Meshes.clear();
|
|
}
|
|
|
|
|
|
} // end namespace scene
|
|
} // end namespace irr
|
|
|
|
#endif // _IRR_COMPILE_WITH_OGRE_LOADER_
|