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https://github.com/minetest/irrlicht.git
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61bc7d3a22
Xcode 12.4 MacOS 10.15.7 git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6367 dfc29bdd-3216-0410-991c-e03cc46cb475
1374 lines
33 KiB
C++
1374 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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#ifdef _IRR_COMPILE_WITH_3DS_LOADER_
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#include "C3DSMeshFileLoader.h"
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#include "CMeshTextureLoader.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 "IVideoDriver.h"
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#include "IMeshManipulator.h"
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#ifdef _DEBUG
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#define _IRR_DEBUG_3DS_LOADER_
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#endif
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namespace irr
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{
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namespace scene
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{
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namespace
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{
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enum e3DSChunk
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{
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// Primary chunk
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C3DS_MAIN3DS = 0x4D4D,
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// Main Chunks
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C3DS_EDIT3DS = 0x3D3D,
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C3DS_KEYF3DS = 0xB000,
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C3DS_VERSION = 0x0002,
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C3DS_MESHVERSION = 0x3D3E,
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// sub chunks of C3DS_EDIT3DS
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C3DS_EDIT_MATERIAL = 0xAFFF,
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C3DS_EDIT_OBJECT = 0x4000,
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// sub chunks of C3DS_EDIT_MATERIAL
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C3DS_MATNAME = 0xA000,
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C3DS_MATAMBIENT = 0xA010,
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C3DS_MATDIFFUSE = 0xA020,
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C3DS_MATSPECULAR = 0xA030,
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C3DS_MATSHININESS = 0xA040,
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C3DS_MATSHIN2PCT = 0xA041,
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C3DS_TRANSPARENCY = 0xA050,
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C3DS_TRANSPARENCY_FALLOFF = 0xA052,
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C3DS_REFL_BLUR = 0xA053,
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C3DS_TWO_SIDE = 0xA081,
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C3DS_WIRE = 0xA085,
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C3DS_SHADING = 0xA100,
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C3DS_MATTEXMAP = 0xA200,
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C3DS_MATSPECMAP = 0xA204,
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C3DS_MATOPACMAP = 0xA210,
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C3DS_MATREFLMAP = 0xA220,
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C3DS_MATBUMPMAP = 0xA230,
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C3DS_MATMAPFILE = 0xA300,
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C3DS_MAT_TEXTILING = 0xA351,
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C3DS_MAT_USCALE = 0xA354,
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C3DS_MAT_VSCALE = 0xA356,
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C3DS_MAT_UOFFSET = 0xA358,
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C3DS_MAT_VOFFSET = 0xA35A,
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// subs of C3DS_EDIT_OBJECT
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C3DS_OBJTRIMESH = 0x4100,
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// subs of C3DS_OBJTRIMESH
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C3DS_TRIVERT = 0x4110,
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C3DS_POINTFLAGARRAY= 0x4111,
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C3DS_TRIFACE = 0x4120,
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C3DS_TRIFACEMAT = 0x4130,
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C3DS_TRIUV = 0x4140,
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C3DS_TRISMOOTH = 0x4150,
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C3DS_TRIMATRIX = 0x4160,
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C3DS_MESHCOLOR = 0x4165,
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C3DS_DIRECT_LIGHT = 0x4600,
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C3DS_DL_INNER_RANGE= 0x4659,
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C3DS_DL_OUTER_RANGE= 0x465A,
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C3DS_DL_MULTIPLIER = 0x465B,
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C3DS_CAMERA = 0x4700,
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C3DS_CAM_SEE_CONE = 0x4710,
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C3DS_CAM_RANGES = 0x4720,
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// subs of C3DS_KEYF3DS
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C3DS_KF_HDR = 0xB00A,
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C3DS_AMBIENT_TAG = 0xB001,
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C3DS_OBJECT_TAG = 0xB002,
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C3DS_CAMERA_TAG = 0xB003,
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C3DS_TARGET_TAG = 0xB004,
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C3DS_LIGHTNODE_TAG = 0xB005,
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C3DS_KF_SEG = 0xB008,
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C3DS_KF_CURTIME = 0xB009,
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C3DS_KF_NODE_HDR = 0xB010,
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C3DS_PIVOTPOINT = 0xB013,
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C3DS_BOUNDBOX = 0xB014,
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C3DS_MORPH_SMOOTH = 0xB015,
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C3DS_POS_TRACK_TAG = 0xB020,
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C3DS_ROT_TRACK_TAG = 0xB021,
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C3DS_SCL_TRACK_TAG = 0xB022,
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C3DS_NODE_ID = 0xB030,
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// Viewport definitions
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C3DS_VIEWPORT_LAYOUT = 0x7001,
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C3DS_VIEWPORT_DATA = 0x7011,
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C3DS_VIEWPORT_DATA_3 = 0x7012,
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C3DS_VIEWPORT_SIZE = 0x7020,
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// different color chunk types
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C3DS_COL_RGB = 0x0010,
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C3DS_COL_TRU = 0x0011,
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C3DS_COL_LIN_24 = 0x0012,
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C3DS_COL_LIN_F = 0x0013,
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// percentage chunk types
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C3DS_PERCENTAGE_I = 0x0030,
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C3DS_PERCENTAGE_F = 0x0031,
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C3DS_CHUNK_MAX = 0xFFFF
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};
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}
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//! Constructor
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C3DSMeshFileLoader::C3DSMeshFileLoader(ISceneManager* smgr, io::IFileSystem* fs)
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: SceneManager(smgr), FileSystem(fs), Vertices(0), Indices(0), SmoothingGroups(0), TCoords(0),
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CountVertices(0), CountFaces(0), CountTCoords(0), Mesh(0)
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{
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#ifdef _DEBUG
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setDebugName("C3DSMeshFileLoader");
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#endif
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if (FileSystem)
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FileSystem->grab();
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TextureLoader = new CMeshTextureLoader( FileSystem, SceneManager->getVideoDriver() );
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}
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//! destructor
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C3DSMeshFileLoader::~C3DSMeshFileLoader()
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{
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cleanUp();
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if (FileSystem)
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FileSystem->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 C3DSMeshFileLoader::isALoadableFileExtension(const io::path& filename) const
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{
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return core::hasFileExtension ( filename, "3ds" );
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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* C3DSMeshFileLoader::createMesh(io::IReadFile* file)
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{
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if ( getMeshTextureLoader() )
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getMeshTextureLoader()->setMeshFile(file);
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ChunkData data;
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readChunkData(file, data);
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if (data.header.id != C3DS_MAIN3DS )
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return 0;
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CurrentMaterial.clear();
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Materials.clear();
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MeshBufferNames.clear();
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cleanUp();
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if (Mesh)
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Mesh->drop();
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Mesh = new SMesh();
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if (readChunk(file, &data))
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{
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// success
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for (u32 i=0; i<Mesh->getMeshBufferCount(); ++i)
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{
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SMeshBuffer* mb = ((SMeshBuffer*)Mesh->getMeshBuffer(i));
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// drop empty buffers
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if (mb->getIndexCount() == 0 || mb->getVertexCount() == 0)
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{
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Mesh->MeshBuffers.erase(i--);
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mb->drop();
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}
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else
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{
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if (mb->Material.MaterialType == video::EMT_PARALLAX_MAP_SOLID)
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{
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SMesh tmp;
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tmp.addMeshBuffer(mb);
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mb->drop();
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IMesh* tangentMesh = SceneManager->getMeshManipulator()->createMeshWithTangents(&tmp);
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Mesh->MeshBuffers[i]=tangentMesh->getMeshBuffer(0);
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// we need to grab because we replace the buffer manually.
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Mesh->MeshBuffers[i]->grab();
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// clean up intermediate mesh struct
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tangentMesh->drop();
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}
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Mesh->MeshBuffers[i]->recalculateBoundingBox();
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}
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}
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Mesh->recalculateBoundingBox();
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SAnimatedMesh* am = new SAnimatedMesh();
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am->Type = EAMT_3DS;
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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 C3DSMeshFileLoader::readPercentageChunk(io::IReadFile* file,
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ChunkData* chunk, f32& percentage)
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{
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#ifdef _IRR_DEBUG_3DS_LOADER_
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os::Printer::log("Load percentage chunk.", ELL_DEBUG);
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#endif
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ChunkData data;
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readChunkData(file, data);
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short intpercentage;
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float fpercentage;
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switch(data.header.id)
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{
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case C3DS_PERCENTAGE_I:
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{
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// read short
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file->read(&intpercentage, 2);
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#ifdef __BIG_ENDIAN__
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intpercentage = os::Byteswap::byteswap(intpercentage);
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#endif
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percentage=intpercentage/100.0f;
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data.read += 2;
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}
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break;
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case C3DS_PERCENTAGE_F:
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{
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// read float
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file->read(&fpercentage, sizeof(float));
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data.read += sizeof(float);
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#ifdef __BIG_ENDIAN__
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percentage = os::Byteswap::byteswap(fpercentage);
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#else
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percentage = (f32)fpercentage;
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#endif
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}
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break;
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default:
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{
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// unknown percentage chunk
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os::Printer::log("Unknown percentage chunk in 3Ds file.", ELL_WARNING);
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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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}
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chunk->read += data.read;
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return true;
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}
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bool C3DSMeshFileLoader::readColorChunk(io::IReadFile* file, ChunkData* chunk,
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video::SColor& out)
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{
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#ifdef _IRR_DEBUG_3DS_LOADER_
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os::Printer::log("Load color chunk.", ELL_DEBUG);
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#endif
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ChunkData data;
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readChunkData(file, data);
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u8 c[3];
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f32 cf[3];
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switch(data.header.id)
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{
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case C3DS_COL_TRU:
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case C3DS_COL_LIN_24:
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{
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// read 8 bit data
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file->read(c, sizeof(c));
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out.set(255, c[0], c[1], c[2]);
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data.read += sizeof(c);
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}
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break;
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case C3DS_COL_RGB:
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case C3DS_COL_LIN_F:
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{
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// read float data
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file->read(cf, sizeof(cf));
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#ifdef __BIG_ENDIAN__
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cf[0] = os::Byteswap::byteswap(cf[0]);
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cf[1] = os::Byteswap::byteswap(cf[1]);
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cf[2] = os::Byteswap::byteswap(cf[2]);
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#endif
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out.set(255, (s32)(cf[0]*255.0f), (s32)(cf[1]*255.0f), (s32)(cf[2]*255.0f));
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data.read += sizeof(cf);
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}
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break;
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default:
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{
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// unknown color chunk size
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os::Printer::log("Unknown size of color chunk in 3Ds file.", ELL_WARNING);
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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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}
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chunk->read += data.read;
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return true;
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}
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bool C3DSMeshFileLoader::readMaterialChunk(io::IReadFile* file, ChunkData* parent)
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{
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#ifdef _IRR_DEBUG_3DS_LOADER_
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os::Printer::log("Load material chunk.", ELL_DEBUG);
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#endif
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u16 matSection=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 C3DS_MATNAME:
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{
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c8* c = new c8[data.header.length - data.read];
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file->read(c, data.header.length - data.read);
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if (strlen(c))
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CurrentMaterial.Name = c;
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data.read += data.header.length - data.read;
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delete [] c;
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}
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break;
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case C3DS_MATAMBIENT:
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readColorChunk(file, &data, CurrentMaterial.Material.AmbientColor);
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break;
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case C3DS_MATDIFFUSE:
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readColorChunk(file, &data, CurrentMaterial.Material.DiffuseColor);
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break;
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case C3DS_MATSPECULAR:
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readColorChunk(file, &data, CurrentMaterial.Material.SpecularColor);
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break;
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case C3DS_MATSHININESS:
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readPercentageChunk(file, &data, CurrentMaterial.Material.Shininess);
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CurrentMaterial.Material.Shininess = (1.f-CurrentMaterial.Material.Shininess)*128.f;
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break;
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case C3DS_TRANSPARENCY:
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{
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f32 percentage;
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readPercentageChunk(file, &data, percentage);
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if (percentage>0.0f)
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{
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CurrentMaterial.Material.MaterialTypeParam=percentage;
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CurrentMaterial.Material.MaterialType=video::EMT_TRANSPARENT_VERTEX_ALPHA;
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}
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else
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{
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CurrentMaterial.Material.MaterialType=video::EMT_SOLID;
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}
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}
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break;
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case C3DS_WIRE:
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CurrentMaterial.Material.Wireframe=true;
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break;
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case C3DS_TWO_SIDE:
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CurrentMaterial.Material.BackfaceCulling=false;
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break;
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case C3DS_SHADING:
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{
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s16 flags;
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file->read(&flags, 2);
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#ifdef __BIG_ENDIAN__
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flags = os::Byteswap::byteswap(flags);
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#endif
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switch (flags)
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{
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case 0:
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CurrentMaterial.Material.Wireframe=true;
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break;
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case 1:
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CurrentMaterial.Material.Wireframe=false;
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CurrentMaterial.Material.GouraudShading=false;
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break;
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case 2:
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CurrentMaterial.Material.Wireframe=false;
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CurrentMaterial.Material.GouraudShading=true;
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break;
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default:
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// phong and metal missing
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break;
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}
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data.read += data.header.length - data.read;
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}
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break;
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case C3DS_MATTEXMAP:
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case C3DS_MATSPECMAP:
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case C3DS_MATOPACMAP:
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case C3DS_MATREFLMAP:
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case C3DS_MATBUMPMAP:
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{
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matSection=data.header.id;
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// Should contain a percentage chunk, but does
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// not always have it
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s16 testval;
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const long pos = file->getPos();
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file->read(&testval, 2);
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#ifdef __BIG_ENDIAN__
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testval = os::Byteswap::byteswap(testval);
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#endif
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file->seek(pos, false);
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if ((testval == C3DS_PERCENTAGE_I) ||
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(testval == C3DS_PERCENTAGE_F))
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switch (matSection)
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{
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case C3DS_MATTEXMAP:
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readPercentageChunk(file, &data, CurrentMaterial.Strength[0]);
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break;
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case C3DS_MATSPECMAP:
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readPercentageChunk(file, &data, CurrentMaterial.Strength[1]);
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break;
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case C3DS_MATOPACMAP:
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readPercentageChunk(file, &data, CurrentMaterial.Strength[2]);
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break;
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case C3DS_MATBUMPMAP:
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readPercentageChunk(file, &data, CurrentMaterial.Strength[4]);
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break;
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}
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}
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break;
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case C3DS_MATMAPFILE:
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{
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// read texture file name
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c8* c = new c8[data.header.length - data.read];
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file->read(c, data.header.length - data.read);
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switch (matSection)
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{
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case C3DS_MATTEXMAP:
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CurrentMaterial.Filename[0] = c;
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break;
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case C3DS_MATSPECMAP:
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CurrentMaterial.Filename[1] = c;
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break;
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case C3DS_MATOPACMAP:
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CurrentMaterial.Filename[2] = c;
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break;
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case C3DS_MATREFLMAP:
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CurrentMaterial.Filename[3] = c;
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break;
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case C3DS_MATBUMPMAP:
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CurrentMaterial.Filename[4] = c;
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break;
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}
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data.read += data.header.length - data.read;
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delete [] c;
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}
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break;
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case C3DS_MAT_TEXTILING:
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{
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s16 flags;
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file->read(&flags, 2);
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#ifdef __BIG_ENDIAN__
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flags = os::Byteswap::byteswap(flags);
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#endif
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data.read += 2;
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}
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break;
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case C3DS_MAT_USCALE:
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case C3DS_MAT_VSCALE:
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case C3DS_MAT_UOFFSET:
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case C3DS_MAT_VOFFSET:
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{
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f32 value;
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file->read(&value, 4);
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#ifdef __BIG_ENDIAN__
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value = os::Byteswap::byteswap(value);
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#endif
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u32 i=0;
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if (matSection != C3DS_MATTEXMAP)
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i=1;
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u32 j=0,k=0;
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if (data.header.id == C3DS_MAT_VSCALE)
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{
|
|
j=1;
|
|
k=1;
|
|
}
|
|
else if (data.header.id == C3DS_MAT_UOFFSET)
|
|
{
|
|
j=2;
|
|
k=0;
|
|
}
|
|
else if (data.header.id == C3DS_MAT_VOFFSET)
|
|
{
|
|
j=2;
|
|
k=1;
|
|
}
|
|
CurrentMaterial.Material.getTextureMatrix(i)(j,k)=value;
|
|
|
|
data.read += 4;
|
|
}
|
|
break;
|
|
default:
|
|
// ignore chunk
|
|
file->seek(data.header.length - data.read, true);
|
|
data.read += data.header.length - data.read;
|
|
}
|
|
|
|
parent->read += data.read;
|
|
}
|
|
|
|
Materials.push_back(CurrentMaterial);
|
|
CurrentMaterial.clear();
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
|
|
bool C3DSMeshFileLoader::readTrackChunk(io::IReadFile* file, ChunkData& data,
|
|
IMeshBuffer* mb, const core::vector3df& pivot)
|
|
{
|
|
#ifdef _IRR_DEBUG_3DS_LOADER_
|
|
os::Printer::log("Load track chunk.", ELL_DEBUG);
|
|
#endif
|
|
u16 flags;
|
|
u32 flags2;
|
|
// Track flags
|
|
file->read(&flags, 2);
|
|
#ifdef __BIG_ENDIAN__
|
|
flags = os::Byteswap::byteswap(flags);
|
|
#endif
|
|
file->read(&flags2, 4);
|
|
#ifdef __BIG_ENDIAN__
|
|
flags2 = os::Byteswap::byteswap(flags2);
|
|
#endif
|
|
file->read(&flags2, 4);
|
|
#ifdef __BIG_ENDIAN__
|
|
flags2 = os::Byteswap::byteswap(flags2);
|
|
#endif
|
|
// Num keys
|
|
file->read(&flags2, 4);
|
|
#ifdef __BIG_ENDIAN__
|
|
flags2 = os::Byteswap::byteswap(flags2);
|
|
#endif
|
|
file->read(&flags2, 4);
|
|
#ifdef __BIG_ENDIAN__
|
|
flags2 = os::Byteswap::byteswap(flags2);
|
|
#endif
|
|
// TCB flags
|
|
file->read(&flags, 2);
|
|
#ifdef __BIG_ENDIAN__
|
|
flags = os::Byteswap::byteswap(flags);
|
|
#endif
|
|
data.read += 20;
|
|
|
|
f32 angle=0.0f;
|
|
if (data.header.id== C3DS_ROT_TRACK_TAG)
|
|
{
|
|
// Angle
|
|
file->read(&angle, sizeof(f32));
|
|
#ifdef __BIG_ENDIAN__
|
|
angle = os::Byteswap::byteswap(angle);
|
|
#endif
|
|
data.read += sizeof(f32);
|
|
}
|
|
core::vector3df vec;
|
|
file->read(&vec.X, sizeof(f32));
|
|
file->read(&vec.Y, sizeof(f32));
|
|
file->read(&vec.Z, sizeof(f32));
|
|
#ifdef __BIG_ENDIAN__
|
|
vec.X = os::Byteswap::byteswap(vec.X);
|
|
vec.Y = os::Byteswap::byteswap(vec.Y);
|
|
vec.Z = os::Byteswap::byteswap(vec.Z);
|
|
#endif
|
|
data.read += 12;
|
|
vec-=pivot;
|
|
|
|
// apply transformation to mesh buffer
|
|
#if 0
|
|
if (false)//mb)
|
|
{
|
|
video::S3DVertex *vertices=(video::S3DVertex*)mb->getVertices();
|
|
if (data.header.id==C3DS_POS_TRACK_TAG)
|
|
{
|
|
for (u32 i=0; i<mb->getVertexCount(); ++i)
|
|
vertices[i].Pos+=vec;
|
|
}
|
|
else if (data.header.id==C3DS_ROT_TRACK_TAG)
|
|
{
|
|
//TODO
|
|
}
|
|
else if (data.header.id==C3DS_SCL_TRACK_TAG)
|
|
{
|
|
//TODO
|
|
}
|
|
}
|
|
#endif
|
|
// skip further frames
|
|
file->seek(data.header.length - data.read, true);
|
|
data.read += data.header.length - data.read;
|
|
return true;
|
|
}
|
|
|
|
|
|
bool C3DSMeshFileLoader::readFrameChunk(io::IReadFile* file, ChunkData* parent)
|
|
{
|
|
#ifdef _IRR_DEBUG_3DS_LOADER_
|
|
os::Printer::log("Load frame chunk.", ELL_DEBUG);
|
|
#endif
|
|
ChunkData data;
|
|
|
|
//KF_HDR is always at the beginning
|
|
readChunkData(file, data);
|
|
if (data.header.id != C3DS_KF_HDR)
|
|
return false;
|
|
else
|
|
{
|
|
#ifdef _IRR_DEBUG_3DS_LOADER_
|
|
os::Printer::log("Load keyframe header.", ELL_DEBUG);
|
|
#endif
|
|
u16 version;
|
|
file->read(&version, 2);
|
|
#ifdef __BIG_ENDIAN__
|
|
version = os::Byteswap::byteswap(version);
|
|
#endif
|
|
core::stringc name;
|
|
readString(file, data, name);
|
|
u32 flags;
|
|
file->read(&flags, 4);
|
|
#ifdef __BIG_ENDIAN__
|
|
flags = os::Byteswap::byteswap(flags);
|
|
#endif
|
|
|
|
data.read += 4;
|
|
parent->read += data.read;
|
|
}
|
|
data.read=0;
|
|
|
|
IMeshBuffer* mb=0;
|
|
core::vector3df pivot,bboxCenter;
|
|
while(parent->read < parent->header.length)
|
|
{
|
|
readChunkData(file, data);
|
|
|
|
switch(data.header.id)
|
|
{
|
|
case C3DS_OBJECT_TAG:
|
|
{
|
|
#ifdef _IRR_DEBUG_3DS_LOADER_
|
|
os::Printer::log("Load object tag.", ELL_DEBUG);
|
|
#endif
|
|
mb=0;
|
|
pivot.set(0.0f, 0.0f, 0.0f);
|
|
}
|
|
break;
|
|
case C3DS_KF_SEG:
|
|
{
|
|
#ifdef _IRR_DEBUG_3DS_LOADER_
|
|
os::Printer::log("Load keyframe segment.", ELL_DEBUG);
|
|
#endif
|
|
u32 flags;
|
|
file->read(&flags, 4);
|
|
#ifdef __BIG_ENDIAN__
|
|
flags = os::Byteswap::byteswap(flags);
|
|
#endif
|
|
file->read(&flags, 4);
|
|
#ifdef __BIG_ENDIAN__
|
|
flags = os::Byteswap::byteswap(flags);
|
|
#endif
|
|
data.read += 8;
|
|
}
|
|
break;
|
|
case C3DS_KF_NODE_HDR:
|
|
{
|
|
#ifdef _IRR_DEBUG_3DS_LOADER_
|
|
os::Printer::log("Load keyframe node header.", ELL_DEBUG);
|
|
#endif
|
|
s16 flags;
|
|
c8* c = new c8[data.header.length - data.read-6];
|
|
file->read(c, data.header.length - data.read-6);
|
|
|
|
// search mesh buffer to apply these transformations to
|
|
for (u32 i=0; i<MeshBufferNames.size(); ++i)
|
|
{
|
|
if (MeshBufferNames[i]==c)
|
|
{
|
|
mb=Mesh->getMeshBuffer(i);
|
|
break;
|
|
}
|
|
}
|
|
|
|
file->read(&flags, 2);
|
|
#ifdef __BIG_ENDIAN__
|
|
flags = os::Byteswap::byteswap(flags);
|
|
#endif
|
|
file->read(&flags, 2);
|
|
#ifdef __BIG_ENDIAN__
|
|
flags = os::Byteswap::byteswap(flags);
|
|
#endif
|
|
file->read(&flags, 2);
|
|
#ifdef __BIG_ENDIAN__
|
|
flags = os::Byteswap::byteswap(flags);
|
|
#endif
|
|
data.read += data.header.length - data.read;
|
|
delete [] c;
|
|
}
|
|
break;
|
|
case C3DS_KF_CURTIME:
|
|
{
|
|
#ifdef _IRR_DEBUG_3DS_LOADER_
|
|
os::Printer::log("Load keyframe current time.", ELL_DEBUG);
|
|
#endif
|
|
u32 flags;
|
|
file->read(&flags, 4);
|
|
#ifdef __BIG_ENDIAN__
|
|
flags = os::Byteswap::byteswap(flags);
|
|
#endif
|
|
data.read += 4;
|
|
}
|
|
break;
|
|
case C3DS_NODE_ID:
|
|
{
|
|
#ifdef _IRR_DEBUG_3DS_LOADER_
|
|
os::Printer::log("Load node ID.", ELL_DEBUG);
|
|
#endif
|
|
u16 flags;
|
|
file->read(&flags, 2);
|
|
#ifdef __BIG_ENDIAN__
|
|
flags = os::Byteswap::byteswap(flags);
|
|
#endif
|
|
data.read += 2;
|
|
}
|
|
break;
|
|
case C3DS_PIVOTPOINT:
|
|
{
|
|
#ifdef _IRR_DEBUG_3DS_LOADER_
|
|
os::Printer::log("Load pivot point.", ELL_DEBUG);
|
|
#endif
|
|
file->read(&pivot.X, sizeof(f32));
|
|
file->read(&pivot.Y, sizeof(f32));
|
|
file->read(&pivot.Z, sizeof(f32));
|
|
#ifdef __BIG_ENDIAN__
|
|
pivot.X = os::Byteswap::byteswap(pivot.X);
|
|
pivot.Y = os::Byteswap::byteswap(pivot.Y);
|
|
pivot.Z = os::Byteswap::byteswap(pivot.Z);
|
|
#endif
|
|
data.read += 12;
|
|
}
|
|
break;
|
|
case C3DS_BOUNDBOX:
|
|
{
|
|
#ifdef _IRR_DEBUG_3DS_LOADER_
|
|
os::Printer::log("Load bounding box.", ELL_DEBUG);
|
|
#endif
|
|
core::aabbox3df bbox;
|
|
// abuse bboxCenter as temporary variable
|
|
file->read(&bboxCenter.X, sizeof(f32));
|
|
file->read(&bboxCenter.Y, sizeof(f32));
|
|
file->read(&bboxCenter.Z, sizeof(f32));
|
|
#ifdef __BIG_ENDIAN__
|
|
bboxCenter.X = os::Byteswap::byteswap(bboxCenter.X);
|
|
bboxCenter.Y = os::Byteswap::byteswap(bboxCenter.Y);
|
|
bboxCenter.Z = os::Byteswap::byteswap(bboxCenter.Z);
|
|
#endif
|
|
bbox.reset(bboxCenter);
|
|
file->read(&bboxCenter.X, sizeof(f32));
|
|
file->read(&bboxCenter.Y, sizeof(f32));
|
|
file->read(&bboxCenter.Z, sizeof(f32));
|
|
#ifdef __BIG_ENDIAN__
|
|
bboxCenter.X = os::Byteswap::byteswap(bboxCenter.X);
|
|
bboxCenter.Y = os::Byteswap::byteswap(bboxCenter.Y);
|
|
bboxCenter.Z = os::Byteswap::byteswap(bboxCenter.Z);
|
|
#endif
|
|
bbox.addInternalPoint(bboxCenter);
|
|
bboxCenter=bbox.getCenter();
|
|
data.read += 24;
|
|
}
|
|
break;
|
|
case C3DS_MORPH_SMOOTH:
|
|
{
|
|
#ifdef _IRR_DEBUG_3DS_LOADER_
|
|
os::Printer::log("Load morph smooth.", ELL_DEBUG);
|
|
#endif
|
|
f32 flag;
|
|
file->read(&flag, 4);
|
|
#ifdef __BIG_ENDIAN__
|
|
flag = os::Byteswap::byteswap(flag);
|
|
#endif
|
|
data.read += 4;
|
|
}
|
|
break;
|
|
case C3DS_POS_TRACK_TAG:
|
|
case C3DS_ROT_TRACK_TAG:
|
|
case C3DS_SCL_TRACK_TAG:
|
|
readTrackChunk(file, data, mb, bboxCenter-pivot);
|
|
break;
|
|
default:
|
|
// ignore chunk
|
|
file->seek(data.header.length - data.read, true);
|
|
data.read += data.header.length - data.read;
|
|
}
|
|
|
|
parent->read += data.read;
|
|
data.read=0;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
bool C3DSMeshFileLoader::readChunk(io::IReadFile* file, ChunkData* parent)
|
|
{
|
|
while(parent->read < parent->header.length)
|
|
{
|
|
ChunkData data;
|
|
readChunkData(file, data);
|
|
|
|
switch(data.header.id)
|
|
{
|
|
case C3DS_VERSION:
|
|
{
|
|
u16 version;
|
|
file->read(&version, sizeof(u16));
|
|
#ifdef __BIG_ENDIAN__
|
|
version = os::Byteswap::byteswap(version);
|
|
#endif
|
|
file->seek(data.header.length - data.read - 2, true);
|
|
data.read += data.header.length - data.read;
|
|
if (version != 0x03)
|
|
os::Printer::log("3ds file version is other than 3.", ELL_ERROR);
|
|
}
|
|
break;
|
|
case C3DS_EDIT_MATERIAL:
|
|
readMaterialChunk(file, &data);
|
|
break;
|
|
case C3DS_KEYF3DS:
|
|
readFrameChunk(file, &data);
|
|
break;
|
|
case C3DS_EDIT3DS:
|
|
break;
|
|
case C3DS_MESHVERSION:
|
|
case 0x01:
|
|
{
|
|
u32 version;
|
|
file->read(&version, sizeof(u32));
|
|
#ifdef __BIG_ENDIAN__
|
|
version = os::Byteswap::byteswap(version);
|
|
#endif
|
|
data.read += sizeof(u32);
|
|
}
|
|
break;
|
|
case C3DS_EDIT_OBJECT:
|
|
{
|
|
core::stringc name;
|
|
readString(file, data, name);
|
|
readObjectChunk(file, &data);
|
|
composeObject(file, name);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
// ignore chunk
|
|
file->seek(data.header.length - data.read, true);
|
|
data.read += data.header.length - data.read;
|
|
}
|
|
|
|
parent->read += data.read;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
bool C3DSMeshFileLoader::readObjectChunk(io::IReadFile* file, ChunkData* parent)
|
|
{
|
|
#ifdef _IRR_DEBUG_3DS_LOADER_
|
|
os::Printer::log("Load object chunk.", ELL_DEBUG);
|
|
#endif
|
|
while(parent->read < parent->header.length)
|
|
{
|
|
ChunkData data;
|
|
readChunkData(file, data);
|
|
|
|
switch(data.header.id)
|
|
{
|
|
case C3DS_OBJTRIMESH:
|
|
readObjectChunk(file, &data);
|
|
break;
|
|
|
|
case C3DS_TRIVERT:
|
|
readVertices(file, data);
|
|
break;
|
|
|
|
case C3DS_POINTFLAGARRAY:
|
|
{
|
|
u16 numVertex, flags;
|
|
file->read(&numVertex, sizeof(u16));
|
|
#ifdef __BIG_ENDIAN__
|
|
numVertex= os::Byteswap::byteswap(numVertex);
|
|
#endif
|
|
for (u16 i=0; i<numVertex; ++i)
|
|
{
|
|
file->read(&flags, sizeof(u16));
|
|
#ifdef __BIG_ENDIAN__
|
|
flags = os::Byteswap::byteswap(flags);
|
|
#endif
|
|
}
|
|
data.read += (numVertex+1)*sizeof(u16);
|
|
}
|
|
break;
|
|
|
|
case C3DS_TRIFACE:
|
|
readIndices(file, data);
|
|
readObjectChunk(file, &data); // read smooth and material groups
|
|
break;
|
|
|
|
case C3DS_TRIFACEMAT:
|
|
readMaterialGroup(file, data);
|
|
break;
|
|
|
|
case C3DS_TRIUV: // getting texture coordinates
|
|
readTextureCoords(file, data);
|
|
break;
|
|
|
|
case C3DS_TRIMATRIX:
|
|
{
|
|
f32 mat[4][3];
|
|
file->read(&mat, 12*sizeof(f32));
|
|
TransformationMatrix.makeIdentity();
|
|
for (int i=0; i<4; ++i)
|
|
{
|
|
for (int j=0; j<3; ++j)
|
|
{
|
|
#ifdef __BIG_ENDIAN__
|
|
TransformationMatrix(i,j)=os::Byteswap::byteswap(mat[i][j]);
|
|
#else
|
|
TransformationMatrix(i,j)=mat[i][j];
|
|
#endif
|
|
}
|
|
}
|
|
data.read += 12*sizeof(f32);
|
|
}
|
|
break;
|
|
case C3DS_MESHCOLOR:
|
|
{
|
|
u8 flag;
|
|
file->read(&flag, sizeof(u8));
|
|
++data.read;
|
|
}
|
|
break;
|
|
case C3DS_TRISMOOTH: // TODO
|
|
{
|
|
SmoothingGroups = new u32[CountFaces];
|
|
file->read(SmoothingGroups, CountFaces*sizeof(u32));
|
|
#ifdef __BIG_ENDIAN__
|
|
for (u16 i=0; i<CountFaces; ++i)
|
|
SmoothingGroups[i] = os::Byteswap::byteswap(SmoothingGroups[i]);
|
|
#endif
|
|
data.read += CountFaces*sizeof(u32);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
// ignore chunk
|
|
file->seek(data.header.length - data.read, true);
|
|
data.read += data.header.length - data.read;
|
|
}
|
|
|
|
parent->read += data.read;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
void C3DSMeshFileLoader::composeObject(io::IReadFile* file, const core::stringc& name)
|
|
{
|
|
#ifdef _IRR_DEBUG_3DS_LOADER_
|
|
os::Printer::log("Compose object.", ELL_DEBUG);
|
|
#endif
|
|
if (Mesh->getMeshBufferCount() != Materials.size())
|
|
loadMaterials(file);
|
|
|
|
if (MaterialGroups.empty())
|
|
{
|
|
// no material group, so add all
|
|
SMaterialGroup group;
|
|
group.faceCount = CountFaces;
|
|
group.faces = new u16[group.faceCount];
|
|
for (u16 i=0; i<group.faceCount; ++i)
|
|
group.faces[i] = i;
|
|
MaterialGroups.push_back(group);
|
|
|
|
// if we've got no material, add one without a texture
|
|
if (Materials.empty())
|
|
{
|
|
SCurrentMaterial m;
|
|
Materials.push_back(m);
|
|
SMeshBuffer* mb = new scene::SMeshBuffer();
|
|
Mesh->addMeshBuffer(mb);
|
|
mb->getMaterial() = Materials[0].Material;
|
|
mb->drop();
|
|
// add an empty mesh buffer name
|
|
MeshBufferNames.push_back("");
|
|
}
|
|
}
|
|
|
|
for (u32 i=0; i<MaterialGroups.size(); ++i)
|
|
{
|
|
SMeshBuffer* mb = 0;
|
|
video::SMaterial* mat=0;
|
|
u32 mbPos;
|
|
// -3 because we add three vertices at once
|
|
u32 maxPrimitives = core::min_(SceneManager->getVideoDriver()->getMaximalPrimitiveCount(), (u32)((1<<16)-1))-3; // currently hardcoded s16 max value for index pointers
|
|
|
|
// find mesh buffer for this group
|
|
for (mbPos=0; mbPos<Materials.size(); ++mbPos)
|
|
{
|
|
if (MaterialGroups[i].MaterialName == Materials[mbPos].Name)
|
|
{
|
|
mb = (SMeshBuffer*)Mesh->getMeshBuffer(mbPos);
|
|
mat=&Materials[mbPos].Material;
|
|
MeshBufferNames[mbPos]=name;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (mb != 0)
|
|
{
|
|
// add geometry to the buffer.
|
|
|
|
video::S3DVertex vtx;
|
|
core::vector3df vec;
|
|
vtx.Color=mat->DiffuseColor;
|
|
if (mat->MaterialType==video::EMT_TRANSPARENT_VERTEX_ALPHA)
|
|
{
|
|
vtx.Color.setAlpha((int)(255.0f*mat->MaterialTypeParam));
|
|
}
|
|
vtx.Normal.set(0,0,0);
|
|
|
|
for (s32 f=0; f<MaterialGroups[i].faceCount; ++f)
|
|
{
|
|
u32 vtxCount = mb->Vertices.size();
|
|
if (vtxCount>maxPrimitives)
|
|
{
|
|
IMeshBuffer* tmp = mb;
|
|
mb = new SMeshBuffer();
|
|
Mesh->addMeshBuffer(mb);
|
|
mb->drop();
|
|
Mesh->MeshBuffers[mbPos] = Mesh->MeshBuffers.getLast();
|
|
Mesh->MeshBuffers[Mesh->MeshBuffers.size()-1] = tmp;
|
|
mb->getMaterial() = tmp->getMaterial();
|
|
vtxCount=0;
|
|
}
|
|
|
|
for (s32 v=0; v<3; ++v)
|
|
{
|
|
s32 idx = Indices[MaterialGroups[i].faces[f]*4 +v];
|
|
|
|
if (CountVertices > idx)
|
|
{
|
|
vtx.Pos.X = Vertices[idx*3 + 0];
|
|
vtx.Pos.Z = Vertices[idx*3 + 1];
|
|
vtx.Pos.Y = Vertices[idx*3 + 2];
|
|
// TransformationMatrix.transformVect(vtx.Pos);
|
|
}
|
|
|
|
if (CountTCoords > idx)
|
|
{
|
|
vtx.TCoords.X = TCoords[idx*2 + 0];
|
|
vtx.TCoords.Y = 1.0f -TCoords[idx*2 + 1];
|
|
}
|
|
|
|
mb->Vertices.push_back(vtx);
|
|
}
|
|
|
|
// compute normal
|
|
core::plane3d<f32> pl(mb->Vertices[vtxCount].Pos, mb->Vertices[vtxCount+2].Pos,
|
|
mb->Vertices[vtxCount+1].Pos);
|
|
|
|
mb->Vertices[vtxCount].Normal = pl.Normal;
|
|
mb->Vertices[vtxCount+1].Normal = pl.Normal;
|
|
mb->Vertices[vtxCount+2].Normal = pl.Normal;
|
|
|
|
// add indices
|
|
|
|
mb->Indices.push_back(vtxCount);
|
|
mb->Indices.push_back(vtxCount+2);
|
|
mb->Indices.push_back(vtxCount+1);
|
|
}
|
|
}
|
|
else
|
|
os::Printer::log("Found no matching material for Group in 3ds file.", ELL_WARNING);
|
|
}
|
|
|
|
cleanUp();
|
|
}
|
|
|
|
|
|
void C3DSMeshFileLoader::loadMaterials(io::IReadFile* file)
|
|
{
|
|
if (Materials.empty())
|
|
os::Printer::log("No materials found in 3ds file.", ELL_INFORMATION);
|
|
|
|
// create a mesh buffer for every material
|
|
MeshBufferNames.reallocate(Materials.size());
|
|
for (u32 i=0; i<Materials.size(); ++i)
|
|
{
|
|
MeshBufferNames.push_back("");
|
|
SMeshBuffer* m = new scene::SMeshBuffer();
|
|
Mesh->addMeshBuffer(m);
|
|
|
|
m->getMaterial() = Materials[i].Material;
|
|
if (Materials[i].Filename[0].size())
|
|
{
|
|
video::ITexture* texture = getMeshTextureLoader() ? getMeshTextureLoader()->getTexture(Materials[i].Filename[0]) : NULL;
|
|
if (!texture)
|
|
{
|
|
os::Printer::log("Could not load a texture for entry in 3ds file",
|
|
Materials[i].Filename[0].c_str(), ELL_WARNING);
|
|
}
|
|
else
|
|
m->getMaterial().setTexture(0, texture);
|
|
}
|
|
|
|
if (Materials[i].Filename[2].size())
|
|
{
|
|
video::ITexture* texture = getMeshTextureLoader() ? getMeshTextureLoader()->getTexture(Materials[i].Filename[2]) : NULL;
|
|
if (!texture)
|
|
{
|
|
os::Printer::log("Could not load a texture for entry in 3ds file",
|
|
Materials[i].Filename[2].c_str(), ELL_WARNING);
|
|
}
|
|
else
|
|
{
|
|
m->getMaterial().setTexture(0, texture);
|
|
m->getMaterial().MaterialType = video::EMT_TRANSPARENT_ADD_COLOR;
|
|
}
|
|
}
|
|
|
|
if (Materials[i].Filename[3].size())
|
|
{
|
|
video::ITexture* texture = getMeshTextureLoader() ? getMeshTextureLoader()->getTexture(Materials[i].Filename[3]) : NULL;
|
|
if (!texture)
|
|
{
|
|
os::Printer::log("Could not load a texture for entry in 3ds file",
|
|
Materials[i].Filename[3].c_str(), ELL_WARNING);
|
|
}
|
|
else
|
|
{
|
|
m->getMaterial().setTexture(1, m->getMaterial().getTexture(0));
|
|
m->getMaterial().setTexture(0, texture);
|
|
m->getMaterial().MaterialType = video::EMT_REFLECTION_2_LAYER;
|
|
}
|
|
}
|
|
|
|
if (Materials[i].Filename[4].size())
|
|
{
|
|
video::ITexture* texture = getMeshTextureLoader() ? getMeshTextureLoader()->getTexture(Materials[i].Filename[4]) : NULL;
|
|
if (!texture)
|
|
{
|
|
os::Printer::log("Could not load a texture for entry in 3ds file",
|
|
Materials[i].Filename[4].c_str(), ELL_WARNING);
|
|
}
|
|
else
|
|
{
|
|
m->getMaterial().setTexture(1, texture);
|
|
SceneManager->getVideoDriver()->makeNormalMapTexture(texture, Materials[i].Strength[4]*10.f);
|
|
m->getMaterial().MaterialType=video::EMT_PARALLAX_MAP_SOLID;
|
|
m->getMaterial().MaterialTypeParam=.035f;
|
|
}
|
|
}
|
|
|
|
m->drop();
|
|
}
|
|
}
|
|
|
|
|
|
void C3DSMeshFileLoader::cleanUp()
|
|
{
|
|
delete [] Vertices;
|
|
CountVertices = 0;
|
|
Vertices = 0;
|
|
delete [] Indices;
|
|
Indices = 0;
|
|
CountFaces = 0;
|
|
delete [] SmoothingGroups;
|
|
SmoothingGroups = 0;
|
|
delete [] TCoords;
|
|
TCoords = 0;
|
|
CountTCoords = 0;
|
|
|
|
MaterialGroups.clear();
|
|
}
|
|
|
|
|
|
void C3DSMeshFileLoader::readTextureCoords(io::IReadFile* file, ChunkData& data)
|
|
{
|
|
#ifdef _IRR_DEBUG_3DS_LOADER_
|
|
os::Printer::log("Load texture coords.", ELL_DEBUG);
|
|
#endif
|
|
file->read(&CountTCoords, sizeof(CountTCoords));
|
|
#ifdef __BIG_ENDIAN__
|
|
CountTCoords = os::Byteswap::byteswap(CountTCoords);
|
|
#endif
|
|
data.read += sizeof(CountTCoords);
|
|
|
|
s32 tcoordsBufferByteSize = CountTCoords * sizeof(f32) * 2;
|
|
|
|
if (data.header.length - data.read != tcoordsBufferByteSize)
|
|
{
|
|
os::Printer::log("Invalid size of tcoords found in 3ds file.", ELL_WARNING);
|
|
return;
|
|
}
|
|
|
|
TCoords = new f32[CountTCoords * 3];
|
|
file->read(TCoords, tcoordsBufferByteSize);
|
|
#ifdef __BIG_ENDIAN__
|
|
for (int i=0;i<CountTCoords*2;i++) TCoords[i] = os::Byteswap::byteswap(TCoords[i]);
|
|
#endif
|
|
data.read += tcoordsBufferByteSize;
|
|
}
|
|
|
|
|
|
void C3DSMeshFileLoader::readMaterialGroup(io::IReadFile* file, ChunkData& data)
|
|
{
|
|
#ifdef _IRR_DEBUG_3DS_LOADER_
|
|
os::Printer::log("Load material group.", ELL_DEBUG);
|
|
#endif
|
|
SMaterialGroup group;
|
|
|
|
readString(file, data, group.MaterialName);
|
|
|
|
file->read(&group.faceCount, sizeof(group.faceCount));
|
|
#ifdef __BIG_ENDIAN__
|
|
group.faceCount = os::Byteswap::byteswap(group.faceCount);
|
|
#endif
|
|
data.read += sizeof(group.faceCount);
|
|
|
|
// read faces
|
|
group.faces = new u16[group.faceCount];
|
|
file->read(group.faces, sizeof(u16) * group.faceCount);
|
|
#ifdef __BIG_ENDIAN__
|
|
for (u32 i=0;i<group.faceCount;++i)
|
|
group.faces[i] = os::Byteswap::byteswap(group.faces[i]);
|
|
#endif
|
|
data.read += sizeof(u16) * group.faceCount;
|
|
|
|
MaterialGroups.push_back(group);
|
|
}
|
|
|
|
|
|
void C3DSMeshFileLoader::readIndices(io::IReadFile* file, ChunkData& data)
|
|
{
|
|
#ifdef _IRR_DEBUG_3DS_LOADER_
|
|
os::Printer::log("Load indices.", ELL_DEBUG);
|
|
#endif
|
|
file->read(&CountFaces, sizeof(CountFaces));
|
|
#ifdef __BIG_ENDIAN__
|
|
CountFaces = os::Byteswap::byteswap(CountFaces);
|
|
#endif
|
|
data.read += sizeof(CountFaces);
|
|
|
|
s32 indexBufferByteSize = CountFaces * sizeof(u16) * 4;
|
|
|
|
// Indices are u16s.
|
|
// After every 3 Indices in the array, there follows an edge flag.
|
|
Indices = new u16[CountFaces * 4];
|
|
file->read(Indices, indexBufferByteSize);
|
|
#ifdef __BIG_ENDIAN__
|
|
for (int i=0;i<CountFaces*4;++i)
|
|
Indices[i] = os::Byteswap::byteswap(Indices[i]);
|
|
#endif
|
|
data.read += indexBufferByteSize;
|
|
}
|
|
|
|
|
|
void C3DSMeshFileLoader::readVertices(io::IReadFile* file, ChunkData& data)
|
|
{
|
|
#ifdef _IRR_DEBUG_3DS_LOADER_
|
|
os::Printer::log("Load vertices.", ELL_DEBUG);
|
|
#endif
|
|
file->read(&CountVertices, sizeof(CountVertices));
|
|
#ifdef __BIG_ENDIAN__
|
|
CountVertices = os::Byteswap::byteswap(CountVertices);
|
|
#endif
|
|
data.read += sizeof(CountVertices);
|
|
|
|
const s32 vertexBufferByteSize = CountVertices * sizeof(f32) * 3;
|
|
|
|
if (data.header.length - data.read != vertexBufferByteSize)
|
|
{
|
|
os::Printer::log("Invalid size of vertices found in 3ds file", core::stringc(CountVertices), ELL_ERROR);
|
|
return;
|
|
}
|
|
|
|
Vertices = new f32[CountVertices * 3];
|
|
file->read(Vertices, vertexBufferByteSize);
|
|
#ifdef __BIG_ENDIAN__
|
|
for (int i=0;i<CountVertices*3;i++)
|
|
Vertices[i] = os::Byteswap::byteswap(Vertices[i]);
|
|
#endif
|
|
data.read += vertexBufferByteSize;
|
|
}
|
|
|
|
|
|
void C3DSMeshFileLoader::readChunkData(io::IReadFile* file, ChunkData& data)
|
|
{
|
|
file->read(&data.header, sizeof(ChunkHeader));
|
|
#ifdef __BIG_ENDIAN__
|
|
data.header.id = os::Byteswap::byteswap(data.header.id);
|
|
data.header.length = os::Byteswap::byteswap(data.header.length);
|
|
#endif
|
|
data.read += sizeof(ChunkHeader);
|
|
}
|
|
|
|
|
|
void C3DSMeshFileLoader::readString(io::IReadFile* file, ChunkData& data, core::stringc& out)
|
|
{
|
|
c8 c = 1;
|
|
out = "";
|
|
|
|
while (c)
|
|
{
|
|
file->read(&c, sizeof(c8));
|
|
if (c)
|
|
out.append(c);
|
|
}
|
|
data.read+=out.size()+1;
|
|
}
|
|
|
|
|
|
} // end namespace scene
|
|
} // end namespace irr
|
|
|
|
#endif // _IRR_COMPILE_WITH_3DS_LOADER_
|
|
|