diff options
Diffstat (limited to 'source/Irrlicht/CMD2MeshFileLoader.cpp')
| -rw-r--r-- | source/Irrlicht/CMD2MeshFileLoader.cpp | 363 |
1 files changed, 0 insertions, 363 deletions
diff --git a/source/Irrlicht/CMD2MeshFileLoader.cpp b/source/Irrlicht/CMD2MeshFileLoader.cpp deleted file mode 100644 index f32e4e3..0000000 --- a/source/Irrlicht/CMD2MeshFileLoader.cpp +++ /dev/null @@ -1,363 +0,0 @@ -// Copyright (C) 2002-2012 Nikolaus Gebhardt
-// This file is part of the "Irrlicht Engine".
-// For conditions of distribution and use, see copyright notice in irrlicht.h
-
-#include "IrrCompileConfig.h"
-#ifdef _IRR_COMPILE_WITH_MD2_LOADER_
-
-#include "CMD2MeshFileLoader.h"
-#include "CAnimatedMeshMD2.h"
-#include "os.h"
-
-namespace irr
-{
-namespace scene
-{
-
-
- // structs needed to load the md2-format
-
- const s32 MD2_MAGIC_NUMBER = 844121161;
- const s32 MD2_VERSION = 8;
- const s32 MD2_MAX_VERTS = 2048;
-
-// byte-align structures
-#include "irrpack.h"
-
- struct SMD2Header
- {
- s32 magic; // four character code "IDP2"
- s32 version; // must be 8
- s32 skinWidth; // width of the texture
- s32 skinHeight; // height of the texture
- s32 frameSize; // size in bytes of an animation frame
- s32 numSkins; // number of textures
- s32 numVertices; // total number of vertices
- s32 numTexcoords; // number of vertices with texture coords
- s32 numTriangles; // number of triangles
- s32 numGlCommands; // number of opengl commands (triangle strip or triangle fan)
- s32 numFrames; // animation keyframe count
- s32 offsetSkins; // offset in bytes to 64 character skin names
- s32 offsetTexcoords; // offset in bytes to texture coordinate list
- s32 offsetTriangles; // offset in bytes to triangle list
- s32 offsetFrames; // offset in bytes to frame list
- s32 offsetGlCommands;// offset in bytes to opengl commands
- s32 offsetEnd; // offset in bytes to end of file
- } PACK_STRUCT;
-
- struct SMD2Vertex
- {
- u8 vertex[3]; // [0] = X, [1] = Z, [2] = Y
- u8 lightNormalIndex; // index in the normal table
- } PACK_STRUCT;
-
- struct SMD2Frame
- {
- f32 scale[3]; // first scale the vertex position
- f32 translate[3]; // then translate the position
- c8 name[16]; // the name of the animation that this key belongs to
- SMD2Vertex vertices[1]; // vertex 1 of SMD2Header.numVertices
- } PACK_STRUCT;
-
- struct SMD2Triangle
- {
- u16 vertexIndices[3];
- u16 textureIndices[3];
- } PACK_STRUCT;
-
- struct SMD2TextureCoordinate
- {
- s16 s;
- s16 t;
- } PACK_STRUCT;
-
- struct SMD2GLCommand
- {
- f32 s, t;
- s32 vertexIndex;
- } PACK_STRUCT;
-
-// Default alignment
-#include "irrunpack.h"
-
-//! Constructor
-CMD2MeshFileLoader::CMD2MeshFileLoader()
-{
- #ifdef _DEBUG
- setDebugName("CMD2MeshFileLoader");
- #endif
-}
-
-
-//! returns true if the file maybe is able to be loaded by this class
-//! based on the file extension (e.g. ".bsp")
-bool CMD2MeshFileLoader::isALoadableFileExtension(const io::path& filename) const
-{
- return core::hasFileExtension ( filename, "md2" );
-}
-
-
-//! 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* CMD2MeshFileLoader::createMesh(io::IReadFile* file)
-{
- IAnimatedMesh* msh = new CAnimatedMeshMD2();
- if (msh)
- {
- if (loadFile(file, (CAnimatedMeshMD2*)msh) )
- return msh;
-
- msh->drop();
- }
-
- return 0;
-}
-
-//! loads an md2 file
-bool CMD2MeshFileLoader::loadFile(io::IReadFile* file, CAnimatedMeshMD2* mesh)
-{
- if (!file)
- return false;
-
- SMD2Header header;
-
- file->read(&header, sizeof(SMD2Header));
-
-#ifdef __BIG_ENDIAN__
- header.magic = os::Byteswap::byteswap(header.magic);
- header.version = os::Byteswap::byteswap(header.version);
- header.skinWidth = os::Byteswap::byteswap(header.skinWidth);
- header.skinHeight = os::Byteswap::byteswap(header.skinHeight);
- header.frameSize = os::Byteswap::byteswap(header.frameSize);
- header.numSkins = os::Byteswap::byteswap(header.numSkins);
- header.numVertices = os::Byteswap::byteswap(header.numVertices);
- header.numTexcoords = os::Byteswap::byteswap(header.numTexcoords);
- header.numTriangles = os::Byteswap::byteswap(header.numTriangles);
- header.numGlCommands = os::Byteswap::byteswap(header.numGlCommands);
- header.numFrames = os::Byteswap::byteswap(header.numFrames);
- header.offsetSkins = os::Byteswap::byteswap(header.offsetSkins);
- header.offsetTexcoords = os::Byteswap::byteswap(header.offsetTexcoords);
- header.offsetTriangles = os::Byteswap::byteswap(header.offsetTriangles);
- header.offsetFrames = os::Byteswap::byteswap(header.offsetFrames);
- header.offsetGlCommands = os::Byteswap::byteswap(header.offsetGlCommands);
- header.offsetEnd = os::Byteswap::byteswap(header.offsetEnd);
-#endif
-
- if (header.magic != MD2_MAGIC_NUMBER || header.version != MD2_VERSION)
- {
- os::Printer::log("MD2 Loader: Wrong file header", file->getFileName(), ELL_WARNING);
- return false;
- }
-
- //
- // prepare mesh and allocate memory
- //
-
- mesh->FrameCount = header.numFrames;
-
- // create keyframes
- mesh->FrameTransforms.set_used(header.numFrames);
-
- // create vertex arrays for each keyframe
- delete [] mesh->FrameList;
- mesh->FrameList = new core::array<CAnimatedMeshMD2::SMD2Vert>[header.numFrames];
-
- // allocate space in vertex arrays
- s32 i;
- for (i=0; i<header.numFrames; ++i)
- mesh->FrameList[i].reallocate(header.numVertices);
-
- // allocate interpolation buffer vertices
- mesh->InterpolationBuffer->Vertices.set_used(header.numTriangles*3);
-
- // populate triangles
- mesh->InterpolationBuffer->Indices.reallocate(header.numTriangles*3);
- const s32 count = header.numTriangles*3;
- for (i=0; i<count; i+=3)
- {
- mesh->InterpolationBuffer->Indices.push_back(i);
- mesh->InterpolationBuffer->Indices.push_back(i+1);
- mesh->InterpolationBuffer->Indices.push_back(i+2);
- }
-
- //
- // read texture coordinates
- //
-
- file->seek(header.offsetTexcoords);
- SMD2TextureCoordinate* textureCoords = new SMD2TextureCoordinate[header.numTexcoords];
-
- if (!file->read(textureCoords, sizeof(SMD2TextureCoordinate)*header.numTexcoords))
- {
- delete[] textureCoords;
- os::Printer::log("MD2 Loader: Error reading TextureCoords.", file->getFileName(), ELL_ERROR);
- return false;
- }
-
-#ifdef __BIG_ENDIAN__
- for (i=0; i<header.numTexcoords; ++i)
- {
- textureCoords[i].s = os::Byteswap::byteswap(textureCoords[i].s);
- textureCoords[i].t = os::Byteswap::byteswap(textureCoords[i].t);
- }
-#endif
-
- // read Triangles
-
- file->seek(header.offsetTriangles);
-
- SMD2Triangle *triangles = new SMD2Triangle[header.numTriangles];
- if (!file->read(triangles, header.numTriangles *sizeof(SMD2Triangle)))
- {
- delete[] triangles;
- delete[] textureCoords;
-
- os::Printer::log("MD2 Loader: Error reading triangles.", file->getFileName(), ELL_ERROR);
- return false;
- }
-
-#ifdef __BIG_ENDIAN__
- for (i=0; i<header.numTriangles; ++i)
- {
- triangles[i].vertexIndices[0] = os::Byteswap::byteswap(triangles[i].vertexIndices[0]);
- triangles[i].vertexIndices[1] = os::Byteswap::byteswap(triangles[i].vertexIndices[1]);
- triangles[i].vertexIndices[2] = os::Byteswap::byteswap(triangles[i].vertexIndices[2]);
- triangles[i].textureIndices[0] = os::Byteswap::byteswap(triangles[i].textureIndices[0]);
- triangles[i].textureIndices[1] = os::Byteswap::byteswap(triangles[i].textureIndices[1]);
- triangles[i].textureIndices[2] = os::Byteswap::byteswap(triangles[i].textureIndices[2]);
- }
-#endif
-
- // read Vertices
-
- u8 buffer[MD2_MAX_VERTS*4+128];
- SMD2Frame* frame = (SMD2Frame*)buffer;
-
- file->seek(header.offsetFrames);
-
- for (i = 0; i<header.numFrames; ++i)
- {
- // read vertices
-
- file->read(frame, header.frameSize);
-
-#ifdef __BIG_ENDIAN__
- frame->scale[0] = os::Byteswap::byteswap(frame->scale[0]);
- frame->scale[1] = os::Byteswap::byteswap(frame->scale[1]);
- frame->scale[2] = os::Byteswap::byteswap(frame->scale[2]);
- frame->translate[0] = os::Byteswap::byteswap(frame->translate[0]);
- frame->translate[1] = os::Byteswap::byteswap(frame->translate[1]);
- frame->translate[2] = os::Byteswap::byteswap(frame->translate[2]);
-#endif
- //
- // store frame data
- //
-
- CAnimatedMeshMD2::SAnimationData adata;
- adata.begin = i;
- adata.end = i;
- adata.fps = 7;
-
- // Add new named animation if necessary
- if (frame->name[0])
- {
- // get animation name
- for (s32 s = 0; s < 16 && frame->name[s]!=0 && (frame->name[s] < '0' || frame->name[s] > '9'); ++s)
- {
- adata.name += frame->name[s];
- }
-
- // Does this keyframe have the same animation name as the current animation?
- if (!mesh->AnimationData.empty() && mesh->AnimationData[mesh->AnimationData.size()-1].name == adata.name)
- {
- // Increase the length of the animation
- ++mesh->AnimationData[mesh->AnimationData.size() - 1].end;
- }
- else
- {
- // Add the new animation
- mesh->AnimationData.push_back(adata);
- }
- }
-
- // save keyframe scale and translation
-
- mesh->FrameTransforms[i].scale.X = frame->scale[0];
- mesh->FrameTransforms[i].scale.Z = frame->scale[1];
- mesh->FrameTransforms[i].scale.Y = frame->scale[2];
- mesh->FrameTransforms[i].translate.X = frame->translate[0];
- mesh->FrameTransforms[i].translate.Z = frame->translate[1];
- mesh->FrameTransforms[i].translate.Y = frame->translate[2];
-
- // add vertices
- for (s32 j=0; j<header.numTriangles; ++j)
- {
- for (u32 ti=0; ti<3; ++ti)
- {
- CAnimatedMeshMD2::SMD2Vert v;
- u32 num = triangles[j].vertexIndices[ti];
- v.Pos.X = frame->vertices[num].vertex[0];
- v.Pos.Z = frame->vertices[num].vertex[1];
- v.Pos.Y = frame->vertices[num].vertex[2];
- v.NormalIdx = frame->vertices[num].lightNormalIndex;
-
- mesh->FrameList[i].push_back(v);
- }
- }
-
- // calculate bounding boxes
- if (header.numVertices)
- {
- core::aabbox3d<f32> box;
- core::vector3df pos;
- pos.X = f32(mesh->FrameList[i] [0].Pos.X) * mesh->FrameTransforms[i].scale.X + mesh->FrameTransforms[i].translate.X;
- pos.Y = f32(mesh->FrameList[i] [0].Pos.Y) * mesh->FrameTransforms[i].scale.Y + mesh->FrameTransforms[i].translate.Y;
- pos.Z = f32(mesh->FrameList[i] [0].Pos.Z) * mesh->FrameTransforms[i].scale.Z + mesh->FrameTransforms[i].translate.Z;
-
- box.reset(pos);
-
- for (s32 j=1; j<header.numTriangles*3; ++j)
- {
- pos.X = f32(mesh->FrameList[i] [j].Pos.X) * mesh->FrameTransforms[i].scale.X + mesh->FrameTransforms[i].translate.X;
- pos.Y = f32(mesh->FrameList[i] [j].Pos.Y) * mesh->FrameTransforms[i].scale.Y + mesh->FrameTransforms[i].translate.Y;
- pos.Z = f32(mesh->FrameList[i] [j].Pos.Z) * mesh->FrameTransforms[i].scale.Z + mesh->FrameTransforms[i].translate.Z;
-
- box.addInternalPoint(pos);
- }
- mesh->BoxList.push_back(box);
- }
- }
-
- // populate interpolation buffer with texture coordinates and colors
- if (header.numFrames)
- {
- f32 dmaxs = 1.0f/(header.skinWidth);
- f32 dmaxt = 1.0f/(header.skinHeight);
-
- for (s32 t=0; t<header.numTriangles; ++t)
- {
- for (s32 n=0; n<3; ++n)
- {
- mesh->InterpolationBuffer->Vertices[t*3 + n].TCoords.X = (textureCoords[triangles[t].textureIndices[n]].s + 0.5f) * dmaxs;
- mesh->InterpolationBuffer->Vertices[t*3 + n].TCoords.Y = (textureCoords[triangles[t].textureIndices[n]].t + 0.5f) * dmaxt;
- mesh->InterpolationBuffer->Vertices[t*3 + n].Color = video::SColor(255,255,255,255);
- }
- }
- }
-
- // clean up
- delete [] triangles;
- delete [] textureCoords;
-
- // init buffer with start frame.
- mesh->getMesh(0);
- return true;
-}
-
-} // end namespace scene
-} // end namespace irr
-
-
-#endif // _IRR_COMPILE_WITH_MD2_LOADER_
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