irrlicht/source/Irrlicht/CAnimatedMeshMD2.cpp

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// Copyright (C) 2002-2007 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 "CAnimatedMeshMD2.h"
#include "os.h"
#include "SColor.h"
#include "IReadFile.h"
#include "irrMath.h"
namespace irr
{
namespace scene
{
#if defined(_MSC_VER) || defined(__BORLANDC__) || defined (__BCPLUSPLUS__)
# pragma pack( push, packing )
# pragma pack( 1 )
# define PACK_STRUCT
#elif defined( __GNUC__ )
# define PACK_STRUCT __attribute__((packed))
#else
# error compiler not supported
#endif
// structs needed to load the md2-format
const s32 MD2_MAGIC_NUMBER = 844121161;
const s32 MD2_VERSION = 8;
const s32 MD2_MAX_VERTS = 2048;
// TA: private
const s32 MD2_FRAME_SHIFT = 2;
const f32 MD2_FRAME_SHIFT_RECIPROCAL = 1.f / ( 1 << MD2_FRAME_SHIFT );
struct SMD2Header
{
s32 magic;
s32 version;
s32 skinWidth;
s32 skinHeight;
s32 frameSize;
s32 numSkins;
s32 numVertices;
s32 numTexcoords;
s32 numTriangles;
s32 numGlCommands;
s32 numFrames;
s32 offsetSkins;
s32 offsetTexcoords;
s32 offsetTriangles;
s32 offsetFrames;
s32 offsetGlCommands;
s32 offsetEnd;
} PACK_STRUCT;
struct SMD2Vertex
{
u8 vertex[3];
u8 lightNormalIndex;
} PACK_STRUCT;
struct SMD2Frame
{
f32 scale[3];
f32 translate[3];
c8 name[16];
SMD2Vertex vertices[1];
} 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
#if defined(_MSC_VER) || defined(__BORLANDC__) || defined (__BCPLUSPLUS__)
# pragma pack( pop, packing )
#endif
#undef PACK_STRUCT
const s32 Q2_VERTEX_NORMAL_TABLE_SIZE = 162;
static const f32 Q2_VERTEX_NORMAL_TABLE[Q2_VERTEX_NORMAL_TABLE_SIZE][3] = {
{-0.525731f, 0.000000f, 0.850651f},
{-0.442863f, 0.238856f, 0.864188f},
{-0.295242f, 0.000000f, 0.955423f},
{-0.309017f, 0.500000f, 0.809017f},
{-0.162460f, 0.262866f, 0.951056f},
{0.000000f, 0.000000f, 1.000000f},
{0.000000f, 0.850651f, 0.525731f},
{-0.147621f, 0.716567f, 0.681718f},
{0.147621f, 0.716567f, 0.681718f},
{0.000000f, 0.525731f, 0.850651f},
{0.309017f, 0.500000f, 0.809017f},
{0.525731f, 0.000000f, 0.850651f},
{0.295242f, 0.000000f, 0.955423f},
{0.442863f, 0.238856f, 0.864188f},
{0.162460f, 0.262866f, 0.951056f},
{-0.681718f, 0.147621f, 0.716567f},
{-0.809017f, 0.309017f, 0.500000f},
{-0.587785f, 0.425325f, 0.688191f},
{-0.850651f, 0.525731f, 0.000000f},
{-0.864188f, 0.442863f, 0.238856f},
{-0.716567f, 0.681718f, 0.147621f},
{-0.688191f, 0.587785f, 0.425325f},
{-0.500000f, 0.809017f, 0.309017f},
{-0.238856f, 0.864188f, 0.442863f},
{-0.425325f, 0.688191f, 0.587785f},
{-0.716567f, 0.681718f, -0.147621f},
{-0.500000f, 0.809017f, -0.309017f},
{-0.525731f, 0.850651f, 0.000000f},
{0.000000f, 0.850651f, -0.525731f},
{-0.238856f, 0.864188f, -0.442863f},
{0.000000f, 0.955423f, -0.295242f},
{-0.262866f, 0.951056f, -0.162460f},
{0.000000f, 1.000000f, 0.000000f},
{0.000000f, 0.955423f, 0.295242f},
{-0.262866f, 0.951056f, 0.162460f},
{0.238856f, 0.864188f, 0.442863f},
{0.262866f, 0.951056f, 0.162460f},
{0.500000f, 0.809017f, 0.309017f},
{0.238856f, 0.864188f, -0.442863f},
{0.262866f, 0.951056f, -0.162460f},
{0.500000f, 0.809017f, -0.309017f},
{0.850651f, 0.525731f, 0.000000f},
{0.716567f, 0.681718f, 0.147621f},
{0.716567f, 0.681718f, -0.147621f},
{0.525731f, 0.850651f, 0.000000f},
{0.425325f, 0.688191f, 0.587785f},
{0.864188f, 0.442863f, 0.238856f},
{0.688191f, 0.587785f, 0.425325f},
{0.809017f, 0.309017f, 0.500000f},
{0.681718f, 0.147621f, 0.716567f},
{0.587785f, 0.425325f, 0.688191f},
{0.955423f, 0.295242f, 0.000000f},
{1.000000f, 0.000000f, 0.000000f},
{0.951056f, 0.162460f, 0.262866f},
{0.850651f, -0.525731f, 0.000000f},
{0.955423f, -0.295242f, 0.000000f},
{0.864188f, -0.442863f, 0.238856f},
{0.951056f, -0.162460f, 0.262866f},
{0.809017f, -0.309017f, 0.500000f},
{0.681718f, -0.147621f, 0.716567f},
{0.850651f, 0.000000f, 0.525731f},
{0.864188f, 0.442863f, -0.238856f},
{0.809017f, 0.309017f, -0.500000f},
{0.951056f, 0.162460f, -0.262866f},
{0.525731f, 0.000000f, -0.850651f},
{0.681718f, 0.147621f, -0.716567f},
{0.681718f, -0.147621f, -0.716567f},
{0.850651f, 0.000000f, -0.525731f},
{0.809017f, -0.309017f, -0.500000f},
{0.864188f, -0.442863f, -0.238856f},
{0.951056f, -0.162460f, -0.262866f},
{0.147621f, 0.716567f, -0.681718f},
{0.309017f, 0.500000f, -0.809017f},
{0.425325f, 0.688191f, -0.587785f},
{0.442863f, 0.238856f, -0.864188f},
{0.587785f, 0.425325f, -0.688191f},
{0.688191f, 0.587785f, -0.425325f},
{-0.147621f, 0.716567f, -0.681718f},
{-0.309017f, 0.500000f, -0.809017f},
{0.000000f, 0.525731f, -0.850651f},
{-0.525731f, 0.000000f, -0.850651f},
{-0.442863f, 0.238856f, -0.864188f},
{-0.295242f, 0.000000f, -0.955423f},
{-0.162460f, 0.262866f, -0.951056f},
{0.000000f, 0.000000f, -1.000000f},
{0.295242f, 0.000000f, -0.955423f},
{0.162460f, 0.262866f, -0.951056f},
{-0.442863f, -0.238856f, -0.864188f},
{-0.309017f, -0.500000f, -0.809017f},
{-0.162460f, -0.262866f, -0.951056f},
{0.000000f, -0.850651f, -0.525731f},
{-0.147621f, -0.716567f, -0.681718f},
{0.147621f, -0.716567f, -0.681718f},
{0.000000f, -0.525731f, -0.850651f},
{0.309017f, -0.500000f, -0.809017f},
{0.442863f, -0.238856f, -0.864188f},
{0.162460f, -0.262866f, -0.951056f},
{0.238856f, -0.864188f, -0.442863f},
{0.500000f, -0.809017f, -0.309017f},
{0.425325f, -0.688191f, -0.587785f},
{0.716567f, -0.681718f, -0.147621f},
{0.688191f, -0.587785f, -0.425325f},
{0.587785f, -0.425325f, -0.688191f},
{0.000000f, -0.955423f, -0.295242f},
{0.000000f, -1.000000f, 0.000000f},
{0.262866f, -0.951056f, -0.162460f},
{0.000000f, -0.850651f, 0.525731f},
{0.000000f, -0.955423f, 0.295242f},
{0.238856f, -0.864188f, 0.442863f},
{0.262866f, -0.951056f, 0.162460f},
{0.500000f, -0.809017f, 0.309017f},
{0.716567f, -0.681718f, 0.147621f},
{0.525731f, -0.850651f, 0.000000f},
{-0.238856f, -0.864188f, -0.442863f},
{-0.500000f, -0.809017f, -0.309017f},
{-0.262866f, -0.951056f, -0.162460f},
{-0.850651f, -0.525731f, 0.000000f},
{-0.716567f, -0.681718f, -0.147621f},
{-0.716567f, -0.681718f, 0.147621f},
{-0.525731f, -0.850651f, 0.000000f},
{-0.500000f, -0.809017f, 0.309017f},
{-0.238856f, -0.864188f, 0.442863f},
{-0.262866f, -0.951056f, 0.162460f},
{-0.864188f, -0.442863f, 0.238856f},
{-0.809017f, -0.309017f, 0.500000f},
{-0.688191f, -0.587785f, 0.425325f},
{-0.681718f, -0.147621f, 0.716567f},
{-0.442863f, -0.238856f, 0.864188f},
{-0.587785f, -0.425325f, 0.688191f},
{-0.309017f, -0.500000f, 0.809017f},
{-0.147621f, -0.716567f, 0.681718f},
{-0.425325f, -0.688191f, 0.587785f},
{-0.162460f, -0.262866f, 0.951056f},
{0.442863f, -0.238856f, 0.864188f},
{0.162460f, -0.262866f, 0.951056f},
{0.309017f, -0.500000f, 0.809017f},
{0.147621f, -0.716567f, 0.681718f},
{0.000000f, -0.525731f, 0.850651f},
{0.425325f, -0.688191f, 0.587785f},
{0.587785f, -0.425325f, 0.688191f},
{0.688191f, -0.587785f, 0.425325f},
{-0.955423f, 0.295242f, 0.000000f},
{-0.951056f, 0.162460f, 0.262866f},
{-1.000000f, 0.000000f, 0.000000f},
{-0.850651f, 0.000000f, 0.525731f},
{-0.955423f, -0.295242f, 0.000000f},
{-0.951056f, -0.162460f, 0.262866f},
{-0.864188f, 0.442863f, -0.238856f},
{-0.951056f, 0.162460f, -0.262866f},
{-0.809017f, 0.309017f, -0.500000f},
{-0.864188f, -0.442863f, -0.238856f},
{-0.951056f, -0.162460f, -0.262866f},
{-0.809017f, -0.309017f, -0.500000f},
{-0.681718f, 0.147621f, -0.716567f},
{-0.681718f, -0.147621f, -0.716567f},
{-0.850651f, 0.000000f, -0.525731f},
{-0.688191f, 0.587785f, -0.425325f},
{-0.587785f, 0.425325f, -0.688191f},
{-0.425325f, 0.688191f, -0.587785f},
{-0.425325f, -0.688191f, -0.587785f},
{-0.587785f, -0.425325f, -0.688191f},
{-0.688191f, -0.587785f, -0.425325f},
};
struct SMD2AnimationType
{
s32 begin;
s32 end;
s32 fps;
};
static const SMD2AnimationType MD2AnimationTypeList[21] =
{
{ 0, 39, 9 }, // STAND
{ 40, 45, 10 }, // RUN
{ 46, 53, 10 }, // ATTACK
{ 54, 57, 7 }, // PAIN_A
{ 58, 61, 7 }, // PAIN_B
{ 62, 65, 7 }, // PAIN_C
{ 66, 71, 7 }, // JUMP
{ 72, 83, 7 }, // FLIP
{ 84, 94, 7 }, // SALUTE
{ 95, 111, 10 }, // FALLBACK
{ 112, 122, 7 }, // WAVE
{ 123, 134, 6 }, // POINT
{ 135, 153, 10 }, // CROUCH_STAND
{ 154, 159, 7 }, // CROUCH_WALK
{ 160, 168, 10 }, // CROUCH_ATTACK
{ 169, 172, 7 }, // CROUCH_PAIN
{ 173, 177, 5 }, // CROUCH_DEATH
{ 178, 183, 7 }, // DEATH_FALLBACK
{ 184, 189, 7 }, // DEATH_FALLFORWARD
{ 190, 197, 7 }, // DEATH_FALLBACKSLOW
{ 198, 198, 5 }, // BOOM
};
//! constructor
CAnimatedMeshMD2::CAnimatedMeshMD2()
: FrameList(0), FrameCount(0), TriangleCount(0)
{
#ifdef _DEBUG
IAnimatedMesh::setDebugName("CAnimatedMeshMD2 IAnimatedMesh");
IMesh::setDebugName("CAnimatedMeshMD2 IMesh");
#endif
}
//! destructor
CAnimatedMeshMD2::~CAnimatedMeshMD2()
{
if (FrameList)
delete [] FrameList;
}
//! returns the amount of frames in milliseconds. If the amount is 1, it is a static (=non animated) mesh.
u32 CAnimatedMeshMD2::getFrameCount() const
{
return FrameCount<<MD2_FRAME_SHIFT;
}
//! returns the animated mesh based on a detail level. 0 is the lowest, 255 the highest detail. Note, that some Meshes will ignore the detail level.
IMesh* CAnimatedMeshMD2::getMesh(s32 frame, s32 detailLevel, s32 startFrameLoop, s32 endFrameLoop)
{
if ((u32)frame > (FrameCount<<MD2_FRAME_SHIFT))
frame = (frame % (FrameCount<<MD2_FRAME_SHIFT));
if (startFrameLoop == -1 && endFrameLoop == -1)
{
startFrameLoop = 0;
endFrameLoop = FrameCount<<MD2_FRAME_SHIFT;
}
updateInterpolationBuffer(frame, startFrameLoop, endFrameLoop);
return this;
}
//! returns amount of mesh buffers.
u32 CAnimatedMeshMD2::getMeshBufferCount() const
{
return 1;
}
//! returns pointer to a mesh buffer
IMeshBuffer* CAnimatedMeshMD2::getMeshBuffer(u32 nr) const
{
return const_cast<IMeshBuffer*>(reinterpret_cast<const IMeshBuffer*>(&InterpolationBuffer));
}
//! Returns pointer to a mesh buffer which fits a material
IMeshBuffer* CAnimatedMeshMD2::getMeshBuffer(const video::SMaterial &material) const
{
if (InterpolationBuffer.Material == material)
return const_cast<IMeshBuffer*>(reinterpret_cast<const IMeshBuffer*>(&InterpolationBuffer));
else
return 0;
}
// updates the interpolation buffer
void CAnimatedMeshMD2::updateInterpolationBuffer(s32 frame, s32 startFrameLoop, s32 endFrameLoop)
{
u32 firstFrame, secondFrame;
f32 div;
// TA: resolve missing ipol in loop between end-start
if (endFrameLoop - startFrameLoop == 0)
{
firstFrame = frame>>MD2_FRAME_SHIFT;
secondFrame = frame>>MD2_FRAME_SHIFT;
div = 1.0f;
}
else
{
// key frames
u32 s = startFrameLoop >> MD2_FRAME_SHIFT;
u32 e = endFrameLoop >> MD2_FRAME_SHIFT;
firstFrame = frame >> MD2_FRAME_SHIFT;
secondFrame = core::if_c_a_else_b ( firstFrame + 1 > e, s, firstFrame + 1 );
firstFrame = core::s32_min ( FrameCount - 1, firstFrame );
secondFrame = core::s32_min ( FrameCount - 1, secondFrame );
//div = (frame % (1<<MD2_FRAME_SHIFT)) / (f32)(1<<MD2_FRAME_SHIFT);
frame &= (1<<MD2_FRAME_SHIFT) - 1;
div = frame * MD2_FRAME_SHIFT_RECIPROCAL;
}
video::S3DVertex* target = reinterpret_cast<video::S3DVertex*>(InterpolationBuffer.getVertices());
video::S3DVertex* first = FrameList[firstFrame].pointer();
video::S3DVertex* second = FrameList[secondFrame].pointer();
s32 count = FrameList[firstFrame].size();
// interpolate both frames
for (s32 i=0; i<count; ++i)
{
target->Pos = (second->Pos - first->Pos) * div + first->Pos;
target->Normal = (second->Normal - first->Normal) * div + first->Normal;
++target;
++first;
++second;
}
//update bounding box
InterpolationBuffer.setBoundingBox(BoxList[secondFrame].getInterpolated(BoxList[firstFrame], div));
}
//! loads an md2 file
bool CAnimatedMeshMD2::loadFile(io::IReadFile* file)
{
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;
}
// create Memory for indices and frames
TriangleCount = header.numTriangles;
if (FrameList)
delete [] FrameList;
FrameList = new core::array<video::S3DVertex>[header.numFrames];
FrameCount = header.numFrames;
s32 i;
for (i=0; i<header.numFrames; ++i)
FrameList[i].reallocate(header.numVertices);
// read TextureCoords
file->seek(header.offsetTexcoords);
SMD2TextureCoordinate* textureCoords = new SMD2TextureCoordinate[header.numTexcoords];
if (!file->read(textureCoords, sizeof(SMD2TextureCoordinate)*header.numTexcoords))
{
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)))
{
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;
core::array< core::vector3df >* vertices = new core::array< core::vector3df >[header.numFrames];
core::array< core::vector3df >* normals = new core::array< core::vector3df >[header.numFrames];
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
SFrameData fdata;
fdata.begin = i;
fdata.end = i;
fdata.fps = 7;
if (frame->name[0])
{
for (s32 s = 0; frame->name[s]!=0 && (frame->name[s] < '0' ||
frame->name[s] > '9'); ++s)
fdata.name += frame->name[s];
if (!FrameData.empty() && FrameData[FrameData.size()-1].name == fdata.name)
++FrameData[FrameData.size()-1].end;
else
FrameData.push_back(fdata);
}
// add vertices
vertices[i].reallocate(header.numVertices);
for (s32 j=0; j<header.numVertices; ++j)
{
core::vector3df v;
v.X = frame->vertices[j].vertex[0] * frame->scale[0] + frame->translate[0];
v.Z = frame->vertices[j].vertex[1] * frame->scale[1] + frame->translate[1];
v.Y = frame->vertices[j].vertex[2] * frame->scale[2] + frame->translate[2];
vertices[i].push_back(v);
u8 normalidx = frame->vertices[j].lightNormalIndex;
if (normalidx < Q2_VERTEX_NORMAL_TABLE_SIZE)
{
v.X = Q2_VERTEX_NORMAL_TABLE[normalidx][0];
v.Z = Q2_VERTEX_NORMAL_TABLE[normalidx][1];
v.Y = Q2_VERTEX_NORMAL_TABLE[normalidx][2];
}
normals[i].push_back(v);
}
// calculate bounding boxes
if (header.numVertices)
{
core::aabbox3d<f32> box;
box.reset(vertices[i][0]);
for (s32 j=1; j<header.numVertices; ++j)
box.addInternalPoint(vertices[i][j]);
BoxList.push_back(box);
}
}
// put triangles into frame list
f32 dmaxs = 1.0f/(header.skinWidth);
f32 dmaxt = 1.0f/(header.skinHeight);
video::S3DVertex vtx;
vtx.Color = video::SColor(255,255,255,255);
for (s32 f = 0; f<header.numFrames; ++f)
{
core::array< core::vector3df >& vert = vertices[f];
for (s32 t=0; t<header.numTriangles; ++t)
{
for (s32 n=0; n<3; ++n)
{
vtx.Pos = vert[triangles[t].vertexIndices[n]];
vtx.Normal = normals[f].pointer()[triangles[t].vertexIndices[n]];
vtx.TCoords.X = (textureCoords[triangles[t].textureIndices[n]].s + 0.5f) * dmaxs;
vtx.TCoords.Y = (textureCoords[triangles[t].textureIndices[n]].t + 0.5f) * dmaxt;
FrameList[f].push_back(vtx);
}
}
}
// create indices
InterpolationBuffer.Indices.reallocate(header.numVertices);
s16 count = TriangleCount*3;
for (s16 n=0; n<count; n+=3)
{
InterpolationBuffer.Indices.push_back(n);
InterpolationBuffer.Indices.push_back(n+1);
InterpolationBuffer.Indices.push_back(n+2);
}
// reallocate interpolate buffer
if (header.numFrames)
{
u32 currCount = FrameList[0].size();
InterpolationBuffer.Vertices.set_used(currCount);
for (u32 num=0; num<currCount; ++num)
{
InterpolationBuffer.Vertices[num].TCoords = FrameList[0].pointer()[num].TCoords;
InterpolationBuffer.Vertices[num].Color = vtx.Color;
}
}
// clean up
delete [] normals;
delete [] vertices;
delete [] triangles;
delete [] textureCoords;
// return
calculateBoundingBox();
return true;
}
//! calculates the bounding box
void CAnimatedMeshMD2::calculateBoundingBox()
{
InterpolationBuffer.BoundingBox.reset(0,0,0);
if (FrameCount)
{
u32 defaultFrame = 1;
if (defaultFrame>=FrameCount)
defaultFrame = 0;
for (u32 j=0; j<FrameList[defaultFrame].size(); ++j)
InterpolationBuffer.BoundingBox.addInternalPoint(FrameList[defaultFrame].pointer()[j].Pos);
}
}
//! sets a flag of all contained materials to a new value
void CAnimatedMeshMD2::setMaterialFlag(video::E_MATERIAL_FLAG flag, bool newvalue)
{
InterpolationBuffer.Material.setFlag(flag, newvalue);
}
//! returns an axis aligned bounding box
const core::aabbox3d<f32>& CAnimatedMeshMD2::getBoundingBox() const
{
return InterpolationBuffer.BoundingBox;
}
//! set user axis aligned bounding box
void CAnimatedMeshMD2::setBoundingBox( const core::aabbox3df& box)
{
InterpolationBuffer.BoundingBox = box;
}
//! Returns the type of the animated mesh.
E_ANIMATED_MESH_TYPE CAnimatedMeshMD2::getMeshType() const
{
return EAMT_MD2;
}
//! Returns frame loop data for a special MD2 animation type.
void CAnimatedMeshMD2::getFrameLoop(EMD2_ANIMATION_TYPE l,
s32& outBegin, s32& outEnd, s32& outFPS) const
{
if (l < 0 || l >= EMAT_COUNT)
return;
outBegin = MD2AnimationTypeList[l].begin << MD2_FRAME_SHIFT;
outEnd = MD2AnimationTypeList[l].end << MD2_FRAME_SHIFT;
// correct to anim between last->first frame
outEnd += MD2_FRAME_SHIFT == 0 ? 1 : ( 1 << MD2_FRAME_SHIFT ) - 1;
outFPS = MD2AnimationTypeList[l].fps << MD2_FRAME_SHIFT;
}
//! Returns frame loop data for a special MD2 animation type.
bool CAnimatedMeshMD2::getFrameLoop(const c8* name,
s32& outBegin, s32&outEnd, s32& outFPS) const
{
for (s32 i=0; i<(s32)FrameData.size(); ++i)
if (FrameData[i].name == name)
{
outBegin = FrameData[i].begin << MD2_FRAME_SHIFT;
outEnd = FrameData[i].end << MD2_FRAME_SHIFT;
outEnd += MD2_FRAME_SHIFT == 0 ? 1 : ( 1 << MD2_FRAME_SHIFT ) - 1;
outFPS = FrameData[i].fps << MD2_FRAME_SHIFT;
return true;
}
return false;
}
//! Returns amount of md2 animations in this file.
s32 CAnimatedMeshMD2::getAnimationCount() const
{
return FrameData.size();
}
//! Returns name of md2 animation.
const c8* CAnimatedMeshMD2::getAnimationName(s32 nr) const
{
if (nr < 0 || nr >= (s32)FrameData.size())
return 0;
return FrameData[nr].name.c_str();
}
} // end namespace scene
} // end namespace irr
#endif // _IRR_COMPILE_WITH_MD2_LOADER_