From 7028cbe09c688437910a25623098762bf0fa592d Mon Sep 17 00:00:00 2001 From: David Walter Seikel Date: Mon, 28 Mar 2016 22:28:34 +1000 Subject: Move Irrlicht to src/others. --- .../source/Irrlicht/CB3DMeshFileLoader.cpp | 1105 ++++++++++++++++++++ 1 file changed, 1105 insertions(+) create mode 100644 src/others/irrlicht-1.8.1/source/Irrlicht/CB3DMeshFileLoader.cpp (limited to 'src/others/irrlicht-1.8.1/source/Irrlicht/CB3DMeshFileLoader.cpp') diff --git a/src/others/irrlicht-1.8.1/source/Irrlicht/CB3DMeshFileLoader.cpp b/src/others/irrlicht-1.8.1/source/Irrlicht/CB3DMeshFileLoader.cpp new file mode 100644 index 0000000..3d8769e --- /dev/null +++ b/src/others/irrlicht-1.8.1/source/Irrlicht/CB3DMeshFileLoader.cpp @@ -0,0 +1,1105 @@ +// Copyright (C) 2006-2012 Luke Hoschke +// This file is part of the "Irrlicht Engine". +// For conditions of distribution and use, see copyright notice in irrlicht.h + +// B3D Mesh loader +// File format designed by Mark Sibly for the Blitz3D engine and has been +// declared public domain + +#include "IrrCompileConfig.h" +#ifdef _IRR_COMPILE_WITH_B3D_LOADER_ + +#include "CB3DMeshFileLoader.h" + +#include "IVideoDriver.h" +#include "IFileSystem.h" +#include "os.h" + +#ifdef _DEBUG +#define _B3D_READER_DEBUG +#endif + +namespace irr +{ +namespace scene +{ + +//! Constructor +CB3DMeshFileLoader::CB3DMeshFileLoader(scene::ISceneManager* smgr) +: SceneManager(smgr), AnimatedMesh(0), B3DFile(0), NormalsInFile(false), + HasVertexColors(false), ShowWarning(true) +{ + #ifdef _DEBUG + setDebugName("CB3DMeshFileLoader"); + #endif +} + + +//! returns true if the file maybe is able to be loaded by this class +//! based on the file extension (e.g. ".bsp") +bool CB3DMeshFileLoader::isALoadableFileExtension(const io::path& filename) const +{ + return core::hasFileExtension ( filename, "b3d" ); +} + + +//! creates/loads an animated mesh from the file. +//! \return Pointer to the created mesh. Returns 0 if loading failed. +//! If you no longer need the mesh, you should call IAnimatedMesh::drop(). +//! See IReferenceCounted::drop() for more information. +IAnimatedMesh* CB3DMeshFileLoader::createMesh(io::IReadFile* f) +{ + if (!f) + return 0; + + B3DFile = f; + AnimatedMesh = new scene::CSkinnedMesh(); + ShowWarning = true; // If true a warning is issued if too many textures are used + VerticesStart=0; + + if ( load() ) + { + AnimatedMesh->finalize(); + } + else + { + AnimatedMesh->drop(); + AnimatedMesh = 0; + } + + return AnimatedMesh; +} + + +bool CB3DMeshFileLoader::load() +{ + B3dStack.clear(); + + NormalsInFile=false; + HasVertexColors=false; + + //------ Get header ------ + + SB3dChunkHeader header; + B3DFile->read(&header, sizeof(header)); +#ifdef __BIG_ENDIAN__ + header.size = os::Byteswap::byteswap(header.size); +#endif + + if ( strncmp( header.name, "BB3D", 4 ) != 0 ) + { + os::Printer::log("File is not a b3d file. Loading failed (No header found)", B3DFile->getFileName(), ELL_ERROR); + return false; + } + + // Add main chunk... + B3dStack.push_back(SB3dChunk(header, B3DFile->getPos()-8)); + + // Get file version, but ignore it, as it's not important with b3d files... + s32 fileVersion; + B3DFile->read(&fileVersion, sizeof(fileVersion)); +#ifdef __BIG_ENDIAN__ + fileVersion = os::Byteswap::byteswap(fileVersion); +#endif + + //------ Read main chunk ------ + + while ( (B3dStack.getLast().startposition + B3dStack.getLast().length) > B3DFile->getPos() ) + { + B3DFile->read(&header, sizeof(header)); +#ifdef __BIG_ENDIAN__ + header.size = os::Byteswap::byteswap(header.size); +#endif + B3dStack.push_back(SB3dChunk(header, B3DFile->getPos()-8)); + + if ( strncmp( B3dStack.getLast().name, "TEXS", 4 ) == 0 ) + { + if (!readChunkTEXS()) + return false; + } + else if ( strncmp( B3dStack.getLast().name, "BRUS", 4 ) == 0 ) + { + if (!readChunkBRUS()) + return false; + } + else if ( strncmp( B3dStack.getLast().name, "NODE", 4 ) == 0 ) + { + if (!readChunkNODE((CSkinnedMesh::SJoint*)0) ) + return false; + } + else + { + os::Printer::log("Unknown chunk found in mesh base - skipping"); + B3DFile->seek(B3dStack.getLast().startposition + B3dStack.getLast().length); + B3dStack.erase(B3dStack.size()-1); + } + } + + B3dStack.clear(); + + BaseVertices.clear(); + AnimatedVertices_VertexID.clear(); + AnimatedVertices_BufferID.clear(); + + Materials.clear(); + Textures.clear(); + + return true; +} + + +bool CB3DMeshFileLoader::readChunkNODE(CSkinnedMesh::SJoint *inJoint) +{ + CSkinnedMesh::SJoint *joint = AnimatedMesh->addJoint(inJoint); + readString(joint->Name); + +#ifdef _B3D_READER_DEBUG + core::stringc logStr; + for ( u32 i=1; i < B3dStack.size(); ++i ) + logStr += "-"; + logStr += "read ChunkNODE"; + os::Printer::log(logStr.c_str(), joint->Name.c_str()); +#endif + + f32 position[3], scale[3], rotation[4]; + + readFloats(position, 3); + readFloats(scale, 3); + readFloats(rotation, 4); + + joint->Animatedposition = core::vector3df(position[0],position[1],position[2]) ; + joint->Animatedscale = core::vector3df(scale[0],scale[1],scale[2]); + joint->Animatedrotation = core::quaternion(rotation[1], rotation[2], rotation[3], rotation[0]); + + //Build LocalMatrix: + + core::matrix4 positionMatrix; + positionMatrix.setTranslation( joint->Animatedposition ); + core::matrix4 scaleMatrix; + scaleMatrix.setScale( joint->Animatedscale ); + core::matrix4 rotationMatrix; + joint->Animatedrotation.getMatrix_transposed(rotationMatrix); + + joint->LocalMatrix = positionMatrix * rotationMatrix * scaleMatrix; + + if (inJoint) + joint->GlobalMatrix = inJoint->GlobalMatrix * joint->LocalMatrix; + else + joint->GlobalMatrix = joint->LocalMatrix; + + while(B3dStack.getLast().startposition + B3dStack.getLast().length > B3DFile->getPos()) // this chunk repeats + { + SB3dChunkHeader header; + B3DFile->read(&header, sizeof(header)); +#ifdef __BIG_ENDIAN__ + header.size = os::Byteswap::byteswap(header.size); +#endif + + B3dStack.push_back(SB3dChunk(header, B3DFile->getPos()-8)); + + if ( strncmp( B3dStack.getLast().name, "NODE", 4 ) == 0 ) + { + if (!readChunkNODE(joint)) + return false; + } + else if ( strncmp( B3dStack.getLast().name, "MESH", 4 ) == 0 ) + { + VerticesStart=BaseVertices.size(); + if (!readChunkMESH(joint)) + return false; + } + else if ( strncmp( B3dStack.getLast().name, "BONE", 4 ) == 0 ) + { + if (!readChunkBONE(joint)) + return false; + } + else if ( strncmp( B3dStack.getLast().name, "KEYS", 4 ) == 0 ) + { + if(!readChunkKEYS(joint)) + return false; + } + else if ( strncmp( B3dStack.getLast().name, "ANIM", 4 ) == 0 ) + { + if (!readChunkANIM()) + return false; + } + else + { + os::Printer::log("Unknown chunk found in node chunk - skipping"); + B3DFile->seek(B3dStack.getLast().startposition + B3dStack.getLast().length); + B3dStack.erase(B3dStack.size()-1); + } + } + + B3dStack.erase(B3dStack.size()-1); + + return true; +} + + +bool CB3DMeshFileLoader::readChunkMESH(CSkinnedMesh::SJoint *inJoint) +{ +#ifdef _B3D_READER_DEBUG + core::stringc logStr; + for ( u32 i=1; i < B3dStack.size(); ++i ) + logStr += "-"; + logStr += "read ChunkMESH"; + os::Printer::log(logStr.c_str()); +#endif + + s32 brushID; + B3DFile->read(&brushID, sizeof(brushID)); +#ifdef __BIG_ENDIAN__ + brushID = os::Byteswap::byteswap(brushID); +#endif + + NormalsInFile=false; + HasVertexColors=false; + + while((B3dStack.getLast().startposition + B3dStack.getLast().length) > B3DFile->getPos()) //this chunk repeats + { + SB3dChunkHeader header; + B3DFile->read(&header, sizeof(header)); +#ifdef __BIG_ENDIAN__ + header.size = os::Byteswap::byteswap(header.size); +#endif + + B3dStack.push_back(SB3dChunk(header, B3DFile->getPos()-8)); + + if ( strncmp( B3dStack.getLast().name, "VRTS", 4 ) == 0 ) + { + if (!readChunkVRTS(inJoint)) + return false; + } + else if ( strncmp( B3dStack.getLast().name, "TRIS", 4 ) == 0 ) + { + scene::SSkinMeshBuffer *meshBuffer = AnimatedMesh->addMeshBuffer(); + + if (brushID!=-1) + { + loadTextures(Materials[brushID]); + meshBuffer->Material=Materials[brushID].Material; + } + + if(readChunkTRIS(meshBuffer,AnimatedMesh->getMeshBuffers().size()-1, VerticesStart)==false) + return false; + + if (!NormalsInFile) + { + s32 i; + + for ( i=0; i<(s32)meshBuffer->Indices.size(); i+=3) + { + core::plane3df p(meshBuffer->getVertex(meshBuffer->Indices[i+0])->Pos, + meshBuffer->getVertex(meshBuffer->Indices[i+1])->Pos, + meshBuffer->getVertex(meshBuffer->Indices[i+2])->Pos); + + meshBuffer->getVertex(meshBuffer->Indices[i+0])->Normal += p.Normal; + meshBuffer->getVertex(meshBuffer->Indices[i+1])->Normal += p.Normal; + meshBuffer->getVertex(meshBuffer->Indices[i+2])->Normal += p.Normal; + } + + for ( i = 0; i<(s32)meshBuffer->getVertexCount(); ++i ) + { + meshBuffer->getVertex(i)->Normal.normalize(); + BaseVertices[VerticesStart+i].Normal=meshBuffer->getVertex(i)->Normal; + } + } + } + else + { + os::Printer::log("Unknown chunk found in mesh - skipping"); + B3DFile->seek(B3dStack.getLast().startposition + B3dStack.getLast().length); + B3dStack.erase(B3dStack.size()-1); + } + } + + B3dStack.erase(B3dStack.size()-1); + + return true; +} + + +/* +VRTS: + int flags ;1=normal values present, 2=rgba values present + int tex_coord_sets ;texture coords per vertex (eg: 1 for simple U/V) max=8 + but we only support 3 + int tex_coord_set_size ;components per set (eg: 2 for simple U/V) max=4 + { + float x,y,z ;always present + float nx,ny,nz ;vertex normal: present if (flags&1) + float red,green,blue,alpha ;vertex color: present if (flags&2) + float tex_coords[tex_coord_sets][tex_coord_set_size] ;tex coords + } +*/ +bool CB3DMeshFileLoader::readChunkVRTS(CSkinnedMesh::SJoint *inJoint) +{ +#ifdef _B3D_READER_DEBUG + core::stringc logStr; + for ( u32 i=1; i < B3dStack.size(); ++i ) + logStr += "-"; + logStr += "ChunkVRTS"; + os::Printer::log(logStr.c_str()); +#endif + + const s32 max_tex_coords = 3; + s32 flags, tex_coord_sets, tex_coord_set_size; + + B3DFile->read(&flags, sizeof(flags)); + B3DFile->read(&tex_coord_sets, sizeof(tex_coord_sets)); + B3DFile->read(&tex_coord_set_size, sizeof(tex_coord_set_size)); +#ifdef __BIG_ENDIAN__ + flags = os::Byteswap::byteswap(flags); + tex_coord_sets = os::Byteswap::byteswap(tex_coord_sets); + tex_coord_set_size = os::Byteswap::byteswap(tex_coord_set_size); +#endif + + if (tex_coord_sets >= max_tex_coords || tex_coord_set_size >= 4) // Something is wrong + { + os::Printer::log("tex_coord_sets or tex_coord_set_size too big", B3DFile->getFileName(), ELL_ERROR); + return false; + } + + //------ Allocate Memory, for speed -----------// + + s32 numberOfReads = 3; + + if (flags & 1) + { + NormalsInFile = true; + numberOfReads += 3; + } + if (flags & 2) + { + numberOfReads += 4; + HasVertexColors=true; + } + + numberOfReads += tex_coord_sets*tex_coord_set_size; + + const s32 memoryNeeded = (B3dStack.getLast().length / sizeof(f32)) / numberOfReads; + + BaseVertices.reallocate(memoryNeeded + BaseVertices.size() + 1); + AnimatedVertices_VertexID.reallocate(memoryNeeded + AnimatedVertices_VertexID.size() + 1); + + //--------------------------------------------// + + while( (B3dStack.getLast().startposition + B3dStack.getLast().length) > B3DFile->getPos()) // this chunk repeats + { + f32 position[3]; + f32 normal[3]={0.f, 0.f, 0.f}; + f32 color[4]={1.0f, 1.0f, 1.0f, 1.0f}; + f32 tex_coords[max_tex_coords][4]; + + readFloats(position, 3); + + if (flags & 1) + readFloats(normal, 3); + if (flags & 2) + readFloats(color, 4); + + for (s32 i=0; i= 1 && tex_coord_set_size >= 2) + { + tu=tex_coords[0][0]; + tv=tex_coords[0][1]; + } + + f32 tu2=0.0f, tv2=0.0f; + if (tex_coord_sets>1 && tex_coord_set_size>1) + { + tu2=tex_coords[1][0]; + tv2=tex_coords[1][1]; + } + + // Create Vertex... + video::S3DVertex2TCoords Vertex(position[0], position[1], position[2], + normal[0], normal[1], normal[2], + video::SColorf(color[0], color[1], color[2], color[3]).toSColor(), + tu, tv, tu2, tv2); + + // Transform the Vertex position by nested node... + inJoint->GlobalMatrix.transformVect(Vertex.Pos); + inJoint->GlobalMatrix.rotateVect(Vertex.Normal); + + //Add it... + BaseVertices.push_back(Vertex); + + AnimatedVertices_VertexID.push_back(-1); + AnimatedVertices_BufferID.push_back(-1); + } + + B3dStack.erase(B3dStack.size()-1); + + return true; +} + + +bool CB3DMeshFileLoader::readChunkTRIS(scene::SSkinMeshBuffer *meshBuffer, u32 meshBufferID, s32 vertices_Start) +{ +#ifdef _B3D_READER_DEBUG + core::stringc logStr; + for ( u32 i=1; i < B3dStack.size(); ++i ) + logStr += "-"; + logStr += "ChunkTRIS"; + os::Printer::log(logStr.c_str()); +#endif + + bool showVertexWarning=false; + + s32 triangle_brush_id; // Note: Irrlicht can't have different brushes for each triangle (using a workaround) + B3DFile->read(&triangle_brush_id, sizeof(triangle_brush_id)); +#ifdef __BIG_ENDIAN__ + triangle_brush_id = os::Byteswap::byteswap(triangle_brush_id); +#endif + + SB3dMaterial *B3dMaterial; + + if (triangle_brush_id != -1) + { + loadTextures(Materials[triangle_brush_id]); + B3dMaterial = &Materials[triangle_brush_id]; + meshBuffer->Material = B3dMaterial->Material; + } + else + B3dMaterial = 0; + + const s32 memoryNeeded = B3dStack.getLast().length / sizeof(s32); + meshBuffer->Indices.reallocate(memoryNeeded + meshBuffer->Indices.size() + 1); + + while((B3dStack.getLast().startposition + B3dStack.getLast().length) > B3DFile->getPos()) // this chunk repeats + { + s32 vertex_id[3]; + + B3DFile->read(vertex_id, 3*sizeof(s32)); +#ifdef __BIG_ENDIAN__ + vertex_id[0] = os::Byteswap::byteswap(vertex_id[0]); + vertex_id[1] = os::Byteswap::byteswap(vertex_id[1]); + vertex_id[2] = os::Byteswap::byteswap(vertex_id[2]); +#endif + + //Make Ids global: + vertex_id[0] += vertices_Start; + vertex_id[1] += vertices_Start; + vertex_id[2] += vertices_Start; + + for(s32 i=0; i<3; ++i) + { + if ((u32)vertex_id[i] >= AnimatedVertices_VertexID.size()) + { + os::Printer::log("Illegal vertex index found", B3DFile->getFileName(), ELL_ERROR); + return false; + } + + if (AnimatedVertices_VertexID[ vertex_id[i] ] != -1) + { + if ( AnimatedVertices_BufferID[ vertex_id[i] ] != (s32)meshBufferID ) //If this vertex is linked in a different meshbuffer + { + AnimatedVertices_VertexID[ vertex_id[i] ] = -1; + AnimatedVertices_BufferID[ vertex_id[i] ] = -1; + showVertexWarning=true; + } + } + if (AnimatedVertices_VertexID[ vertex_id[i] ] == -1) //If this vertex is not in the meshbuffer + { + //Check for lightmapping: + if (BaseVertices[ vertex_id[i] ].TCoords2 != core::vector2df(0.f,0.f)) + meshBuffer->convertTo2TCoords(); //Will only affect the meshbuffer the first time this is called + + //Add the vertex to the meshbuffer: + if (meshBuffer->VertexType == video::EVT_STANDARD) + meshBuffer->Vertices_Standard.push_back( BaseVertices[ vertex_id[i] ] ); + else + meshBuffer->Vertices_2TCoords.push_back(BaseVertices[ vertex_id[i] ] ); + + //create vertex id to meshbuffer index link: + AnimatedVertices_VertexID[ vertex_id[i] ] = meshBuffer->getVertexCount()-1; + AnimatedVertices_BufferID[ vertex_id[i] ] = meshBufferID; + + if (B3dMaterial) + { + // Apply Material/Color/etc... + video::S3DVertex *Vertex=meshBuffer->getVertex(meshBuffer->getVertexCount()-1); + + if (!HasVertexColors) + Vertex->Color=B3dMaterial->Material.DiffuseColor; + else if (Vertex->Color.getAlpha() == 255) + Vertex->Color.setAlpha( (s32)(B3dMaterial->alpha * 255.0f) ); + + // Use texture's scale + if (B3dMaterial->Textures[0]) + { + Vertex->TCoords.X *= B3dMaterial->Textures[0]->Xscale; + Vertex->TCoords.Y *= B3dMaterial->Textures[0]->Yscale; + } + /* + if (B3dMaterial->Textures[1]) + { + Vertex->TCoords2.X *=B3dMaterial->Textures[1]->Xscale; + Vertex->TCoords2.Y *=B3dMaterial->Textures[1]->Yscale; + } + */ + } + } + } + + meshBuffer->Indices.push_back( AnimatedVertices_VertexID[ vertex_id[0] ] ); + meshBuffer->Indices.push_back( AnimatedVertices_VertexID[ vertex_id[1] ] ); + meshBuffer->Indices.push_back( AnimatedVertices_VertexID[ vertex_id[2] ] ); + } + + B3dStack.erase(B3dStack.size()-1); + + if (showVertexWarning) + os::Printer::log("B3dMeshLoader: Warning, different meshbuffers linking to the same vertex, this will cause problems with animated meshes"); + + return true; +} + + +bool CB3DMeshFileLoader::readChunkBONE(CSkinnedMesh::SJoint *inJoint) +{ +#ifdef _B3D_READER_DEBUG + core::stringc logStr; + for ( u32 i=1; i < B3dStack.size(); ++i ) + logStr += "-"; + logStr += "read ChunkBONE"; + os::Printer::log(logStr.c_str()); +#endif + + if (B3dStack.getLast().length > 8) + { + while((B3dStack.getLast().startposition + B3dStack.getLast().length) > B3DFile->getPos()) // this chunk repeats + { + u32 globalVertexID; + f32 strength; + B3DFile->read(&globalVertexID, sizeof(globalVertexID)); + B3DFile->read(&strength, sizeof(strength)); +#ifdef __BIG_ENDIAN__ + globalVertexID = os::Byteswap::byteswap(globalVertexID); + strength = os::Byteswap::byteswap(strength); +#endif + globalVertexID += VerticesStart; + + if (AnimatedVertices_VertexID[globalVertexID]==-1) + { + os::Printer::log("B3dMeshLoader: Weight has bad vertex id (no link to meshbuffer index found)"); + } + else if (strength >0) + { + CSkinnedMesh::SWeight *weight=AnimatedMesh->addWeight(inJoint); + weight->strength=strength; + //Find the meshbuffer and Vertex index from the Global Vertex ID: + weight->vertex_id = AnimatedVertices_VertexID[globalVertexID]; + weight->buffer_id = AnimatedVertices_BufferID[globalVertexID]; + } + } + } + + B3dStack.erase(B3dStack.size()-1); + return true; +} + + +bool CB3DMeshFileLoader::readChunkKEYS(CSkinnedMesh::SJoint *inJoint) +{ +#ifdef _B3D_READER_DEBUG + // Only print first, that's just too much output otherwise + if ( !inJoint || (inJoint->PositionKeys.empty() && inJoint->ScaleKeys.empty() && inJoint->RotationKeys.empty()) ) + { + core::stringc logStr; + for ( u32 i=1; i < B3dStack.size(); ++i ) + logStr += "-"; + logStr += "read ChunkKEYS"; + os::Printer::log(logStr.c_str()); + } +#endif + + s32 flags; + B3DFile->read(&flags, sizeof(flags)); +#ifdef __BIG_ENDIAN__ + flags = os::Byteswap::byteswap(flags); +#endif + + CSkinnedMesh::SPositionKey *oldPosKey=0; + core::vector3df oldPos[2]; + CSkinnedMesh::SScaleKey *oldScaleKey=0; + core::vector3df oldScale[2]; + CSkinnedMesh::SRotationKey *oldRotKey=0; + core::quaternion oldRot[2]; + bool isFirst[3]={true,true,true}; + while((B3dStack.getLast().startposition + B3dStack.getLast().length) > B3DFile->getPos()) //this chunk repeats + { + s32 frame; + + B3DFile->read(&frame, sizeof(frame)); + #ifdef __BIG_ENDIAN__ + frame = os::Byteswap::byteswap(frame); + #endif + + // Add key frames, frames in Irrlicht are zero-based + f32 data[4]; + if (flags & 1) + { + readFloats(data, 3); + if ((oldPosKey!=0) && (oldPos[0]==oldPos[1])) + { + const core::vector3df pos(data[0], data[1], data[2]); + if (oldPos[1]==pos) + oldPosKey->frame = (f32)frame-1; + else + { + oldPos[0]=oldPos[1]; + oldPosKey=AnimatedMesh->addPositionKey(inJoint); + oldPosKey->frame = (f32)frame-1; + oldPos[1].set(oldPosKey->position.set(pos)); + } + } + else if (oldPosKey==0 && isFirst[0]) + { + oldPosKey=AnimatedMesh->addPositionKey(inJoint); + oldPosKey->frame = (f32)frame-1; + oldPos[0].set(oldPosKey->position.set(data[0], data[1], data[2])); + oldPosKey=0; + isFirst[0]=false; + } + else + { + if (oldPosKey!=0) + oldPos[0]=oldPos[1]; + oldPosKey=AnimatedMesh->addPositionKey(inJoint); + oldPosKey->frame = (f32)frame-1; + oldPos[1].set(oldPosKey->position.set(data[0], data[1], data[2])); + } + } + if (flags & 2) + { + readFloats(data, 3); + if ((oldScaleKey!=0) && (oldScale[0]==oldScale[1])) + { + const core::vector3df scale(data[0], data[1], data[2]); + if (oldScale[1]==scale) + oldScaleKey->frame = (f32)frame-1; + else + { + oldScale[0]=oldScale[1]; + oldScaleKey=AnimatedMesh->addScaleKey(inJoint); + oldScaleKey->frame = (f32)frame-1; + oldScale[1].set(oldScaleKey->scale.set(scale)); + } + } + else if (oldScaleKey==0 && isFirst[1]) + { + oldScaleKey=AnimatedMesh->addScaleKey(inJoint); + oldScaleKey->frame = (f32)frame-1; + oldScale[0].set(oldScaleKey->scale.set(data[0], data[1], data[2])); + oldScaleKey=0; + isFirst[1]=false; + } + else + { + if (oldScaleKey!=0) + oldScale[0]=oldScale[1]; + oldScaleKey=AnimatedMesh->addScaleKey(inJoint); + oldScaleKey->frame = (f32)frame-1; + oldScale[1].set(oldScaleKey->scale.set(data[0], data[1], data[2])); + } + } + if (flags & 4) + { + readFloats(data, 4); + if ((oldRotKey!=0) && (oldRot[0]==oldRot[1])) + { + // meant to be in this order since b3d stores W first + const core::quaternion rot(data[1], data[2], data[3], data[0]); + if (oldRot[1]==rot) + oldRotKey->frame = (f32)frame-1; + else + { + oldRot[0]=oldRot[1]; + oldRotKey=AnimatedMesh->addRotationKey(inJoint); + oldRotKey->frame = (f32)frame-1; + oldRot[1].set(oldRotKey->rotation.set(data[1], data[2], data[3], data[0])); + } + } + else if (oldRotKey==0 && isFirst[2]) + { + oldRotKey=AnimatedMesh->addRotationKey(inJoint); + oldRotKey->frame = (f32)frame-1; + // meant to be in this order since b3d stores W first + oldRot[0].set(oldRotKey->rotation.set(data[1], data[2], data[3], data[0])); + oldRotKey=0; + isFirst[2]=false; + } + else + { + if (oldRotKey!=0) + oldRot[0]=oldRot[1]; + oldRotKey=AnimatedMesh->addRotationKey(inJoint); + oldRotKey->frame = (f32)frame-1; + // meant to be in this order since b3d stores W first + oldRot[1].set(oldRotKey->rotation.set(data[1], data[2], data[3], data[0])); + } + } + } + + B3dStack.erase(B3dStack.size()-1); + return true; +} + + +bool CB3DMeshFileLoader::readChunkANIM() +{ +#ifdef _B3D_READER_DEBUG + core::stringc logStr; + for ( u32 i=1; i < B3dStack.size(); ++i ) + logStr += "-"; + logStr += "read ChunkANIM"; + os::Printer::log(logStr.c_str()); +#endif + + s32 animFlags; //not stored\used + s32 animFrames;//not stored\used + f32 animFPS; //not stored\used + + B3DFile->read(&animFlags, sizeof(s32)); + B3DFile->read(&animFrames, sizeof(s32)); + readFloats(&animFPS, 1); + if (animFPS>0.f) + AnimatedMesh->setAnimationSpeed(animFPS); + os::Printer::log("FPS", io::path((double)animFPS), ELL_DEBUG); + + #ifdef __BIG_ENDIAN__ + animFlags = os::Byteswap::byteswap(animFlags); + animFrames = os::Byteswap::byteswap(animFrames); + #endif + + B3dStack.erase(B3dStack.size()-1); + return true; +} + + +bool CB3DMeshFileLoader::readChunkTEXS() +{ +#ifdef _B3D_READER_DEBUG + core::stringc logStr; + for ( u32 i=1; i < B3dStack.size(); ++i ) + logStr += "-"; + logStr += "read ChunkTEXS"; + os::Printer::log(logStr.c_str()); +#endif + + while((B3dStack.getLast().startposition + B3dStack.getLast().length) > B3DFile->getPos()) //this chunk repeats + { + Textures.push_back(SB3dTexture()); + SB3dTexture& B3dTexture = Textures.getLast(); + + readString(B3dTexture.TextureName); + B3dTexture.TextureName.replace('\\','/'); +#ifdef _B3D_READER_DEBUG + os::Printer::log("read Texture", B3dTexture.TextureName.c_str()); +#endif + + B3DFile->read(&B3dTexture.Flags, sizeof(s32)); + B3DFile->read(&B3dTexture.Blend, sizeof(s32)); +#ifdef __BIG_ENDIAN__ + B3dTexture.Flags = os::Byteswap::byteswap(B3dTexture.Flags); + B3dTexture.Blend = os::Byteswap::byteswap(B3dTexture.Blend); +#endif +#ifdef _B3D_READER_DEBUG + os::Printer::log("Flags", core::stringc(B3dTexture.Flags).c_str()); + os::Printer::log("Blend", core::stringc(B3dTexture.Blend).c_str()); +#endif + readFloats(&B3dTexture.Xpos, 1); + readFloats(&B3dTexture.Ypos, 1); + readFloats(&B3dTexture.Xscale, 1); + readFloats(&B3dTexture.Yscale, 1); + readFloats(&B3dTexture.Angle, 1); + } + + B3dStack.erase(B3dStack.size()-1); + + return true; +} + + +bool CB3DMeshFileLoader::readChunkBRUS() +{ +#ifdef _B3D_READER_DEBUG + core::stringc logStr; + for ( u32 i=1; i < B3dStack.size(); ++i ) + logStr += "-"; + logStr += "read ChunkBRUS"; + os::Printer::log(logStr.c_str()); +#endif + + u32 n_texs; + B3DFile->read(&n_texs, sizeof(u32)); +#ifdef __BIG_ENDIAN__ + n_texs = os::Byteswap::byteswap(n_texs); +#endif + + // number of texture ids read for Irrlicht + const u32 num_textures = core::min_(n_texs, video::MATERIAL_MAX_TEXTURES); + // number of bytes to skip (for ignored texture ids) + const u32 n_texs_offset = (num_textures B3DFile->getPos()) //this chunk repeats + { + // This is what blitz basic calls a brush, like a Irrlicht Material + + core::stringc name; + readString(name); +#ifdef _B3D_READER_DEBUG + os::Printer::log("read Material", name); +#endif + Materials.push_back(SB3dMaterial()); + SB3dMaterial& B3dMaterial=Materials.getLast(); + + readFloats(&B3dMaterial.red, 1); + readFloats(&B3dMaterial.green, 1); + readFloats(&B3dMaterial.blue, 1); + readFloats(&B3dMaterial.alpha, 1); + readFloats(&B3dMaterial.shininess, 1); + + B3DFile->read(&B3dMaterial.blend, sizeof(B3dMaterial.blend)); + B3DFile->read(&B3dMaterial.fx, sizeof(B3dMaterial.fx)); +#ifdef __BIG_ENDIAN__ + B3dMaterial.blend = os::Byteswap::byteswap(B3dMaterial.blend); + B3dMaterial.fx = os::Byteswap::byteswap(B3dMaterial.fx); +#endif +#ifdef _B3D_READER_DEBUG + os::Printer::log("Blend", core::stringc(B3dMaterial.blend).c_str()); + os::Printer::log("FX", core::stringc(B3dMaterial.fx).c_str()); +#endif + + u32 i; + for (i=0; iread(&texture_id, sizeof(s32)); +#ifdef __BIG_ENDIAN__ + texture_id = os::Byteswap::byteswap(texture_id); +#endif + //--- Get pointers to the texture, based on the IDs --- + if ((u32)texture_id < Textures.size()) + { + B3dMaterial.Textures[i]=&Textures[texture_id]; +#ifdef _B3D_READER_DEBUG + os::Printer::log("Layer", core::stringc(i).c_str()); + os::Printer::log("using texture", Textures[texture_id].TextureName.c_str()); +#endif + } + else + B3dMaterial.Textures[i]=0; + } + // skip other texture ids + for (i=0; iread(&texture_id, sizeof(s32)); +#ifdef __BIG_ENDIAN__ + texture_id = os::Byteswap::byteswap(texture_id); +#endif + if (ShowWarning && (texture_id != -1) && (n_texs>video::MATERIAL_MAX_TEXTURES)) + { + os::Printer::log("Too many textures used in one material", B3DFile->getFileName(), ELL_WARNING); + ShowWarning = false; + } + } + + //Fixes problems when the lightmap is on the first texture: + if (B3dMaterial.Textures[0] != 0) + { + if (B3dMaterial.Textures[0]->Flags & 65536) // 65536 = secondary UV + { + SB3dTexture *TmpTexture; + TmpTexture = B3dMaterial.Textures[1]; + B3dMaterial.Textures[1] = B3dMaterial.Textures[0]; + B3dMaterial.Textures[0] = TmpTexture; + } + } + + //If a preceeding texture slot is empty move the others down: + for (i=num_textures; i>0; --i) + { + for (u32 j=i-1; jBlend == 5) //(Multiply 2) + B3dMaterial.Material.MaterialType = video::EMT_LIGHTMAP_M2; + else + B3dMaterial.Material.MaterialType = video::EMT_LIGHTMAP; + B3dMaterial.Material.Lighting = false; + } + else + { + B3dMaterial.Material.MaterialType = video::EMT_TRANSPARENT_VERTEX_ALPHA; + B3dMaterial.Material.ZWriteEnable = false; + } + } + else if (B3dMaterial.Textures[0]) //One texture: + { + // Flags & 0x1 is usual SOLID, 0x8 is mipmap (handled before) + if (B3dMaterial.Textures[0]->Flags & 0x2) //(Alpha mapped) + { + B3dMaterial.Material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL; + B3dMaterial.Material.ZWriteEnable = false; + } + else if (B3dMaterial.Textures[0]->Flags & 0x4) //(Masked) + B3dMaterial.Material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF; // TODO: create color key texture + else if (B3dMaterial.Textures[0]->Flags & 0x40) + B3dMaterial.Material.MaterialType = video::EMT_SPHERE_MAP; + else if (B3dMaterial.Textures[0]->Flags & 0x80) + B3dMaterial.Material.MaterialType = video::EMT_SPHERE_MAP; // TODO: Should be cube map + else if (B3dMaterial.alpha == 1.f) + B3dMaterial.Material.MaterialType = video::EMT_SOLID; + else + { + B3dMaterial.Material.MaterialType = video::EMT_TRANSPARENT_VERTEX_ALPHA; + B3dMaterial.Material.ZWriteEnable = false; + } + } + else //No texture: + { + if (B3dMaterial.alpha == 1.f) + B3dMaterial.Material.MaterialType = video::EMT_SOLID; + else + { + B3dMaterial.Material.MaterialType = video::EMT_TRANSPARENT_VERTEX_ALPHA; + B3dMaterial.Material.ZWriteEnable = false; + } + } + + B3dMaterial.Material.DiffuseColor = video::SColorf(B3dMaterial.red, B3dMaterial.green, B3dMaterial.blue, B3dMaterial.alpha).toSColor(); + B3dMaterial.Material.ColorMaterial=video::ECM_NONE; + + //------ Material fx ------ + + if (B3dMaterial.fx & 1) //full-bright + { + B3dMaterial.Material.AmbientColor = video::SColor(255, 255, 255, 255); + B3dMaterial.Material.Lighting = false; + } + else + B3dMaterial.Material.AmbientColor = B3dMaterial.Material.DiffuseColor; + + if (B3dMaterial.fx & 2) //use vertex colors instead of brush color + B3dMaterial.Material.ColorMaterial=video::ECM_DIFFUSE_AND_AMBIENT; + + if (B3dMaterial.fx & 4) //flatshaded + B3dMaterial.Material.GouraudShading = false; + + if (B3dMaterial.fx & 16) //disable backface culling + B3dMaterial.Material.BackfaceCulling = false; + + if (B3dMaterial.fx & 32) //force vertex alpha-blending + { + B3dMaterial.Material.MaterialType = video::EMT_TRANSPARENT_VERTEX_ALPHA; + B3dMaterial.Material.ZWriteEnable = false; + } + + B3dMaterial.Material.Shininess = B3dMaterial.shininess; + } + + B3dStack.erase(B3dStack.size()-1); + + return true; +} + + +void CB3DMeshFileLoader::loadTextures(SB3dMaterial& material) const +{ + const bool previous32BitTextureFlag = SceneManager->getVideoDriver()->getTextureCreationFlag(video::ETCF_ALWAYS_32_BIT); + SceneManager->getVideoDriver()->setTextureCreationFlag(video::ETCF_ALWAYS_32_BIT, true); + + // read texture from disk + // note that mipmaps might be disabled by Flags & 0x8 + const bool doMipMaps = SceneManager->getVideoDriver()->getTextureCreationFlag(video::ETCF_CREATE_MIP_MAPS); + + for (u32 i=0; iTextureName.size() && !material.Material.getTexture(i)) + { + if (!SceneManager->getParameters()->getAttributeAsBool(B3D_LOADER_IGNORE_MIPMAP_FLAG)) + SceneManager->getVideoDriver()->setTextureCreationFlag(video::ETCF_CREATE_MIP_MAPS, (B3dTexture->Flags & 0x8) ? true:false); + { + video::ITexture* tex = 0; + io::IFileSystem* fs = SceneManager->getFileSystem(); + io::path texnameWithUserPath( SceneManager->getParameters()->getAttributeAsString(B3D_TEXTURE_PATH) ); + if ( texnameWithUserPath.size() ) + { + texnameWithUserPath += '/'; + texnameWithUserPath += B3dTexture->TextureName; + } + if (fs->existFile(texnameWithUserPath)) + tex = SceneManager->getVideoDriver()->getTexture(texnameWithUserPath); + else if (fs->existFile(B3dTexture->TextureName)) + tex = SceneManager->getVideoDriver()->getTexture(B3dTexture->TextureName); + else if (fs->existFile(fs->getFileDir(B3DFile->getFileName()) +"/"+ fs->getFileBasename(B3dTexture->TextureName))) + tex = SceneManager->getVideoDriver()->getTexture(fs->getFileDir(B3DFile->getFileName()) +"/"+ fs->getFileBasename(B3dTexture->TextureName)); + else + tex = SceneManager->getVideoDriver()->getTexture(fs->getFileBasename(B3dTexture->TextureName)); + + material.Material.setTexture(i, tex); + } + if (material.Textures[i]->Flags & 0x10) // Clamp U + material.Material.TextureLayer[i].TextureWrapU=video::ETC_CLAMP; + if (material.Textures[i]->Flags & 0x20) // Clamp V + material.Material.TextureLayer[i].TextureWrapV=video::ETC_CLAMP; + } + } + + SceneManager->getVideoDriver()->setTextureCreationFlag(video::ETCF_CREATE_MIP_MAPS, doMipMaps); + SceneManager->getVideoDriver()->setTextureCreationFlag(video::ETCF_ALWAYS_32_BIT, previous32BitTextureFlag); +} + + +void CB3DMeshFileLoader::readString(core::stringc& newstring) +{ + newstring=""; + while (B3DFile->getPos() <= B3DFile->getSize()) + { + c8 character; + B3DFile->read(&character, sizeof(character)); + if (character==0) + return; + newstring.append(character); + } +} + + +void CB3DMeshFileLoader::readFloats(f32* vec, u32 count) +{ + B3DFile->read(vec, count*sizeof(f32)); + #ifdef __BIG_ENDIAN__ + for (u32 n=0; n