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// 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 "CAnimatedMeshMD2.h"
#include "SColor.h"
#include "irrMath.h"
namespace irr
{
namespace scene
{
const s32 MD2_FRAME_SHIFT = 2;
const f32 MD2_FRAME_SHIFT_RECIPROCAL = 1.f / (1 << MD2_FRAME_SHIFT);
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()
: InterpolationBuffer(0), FrameList(0), FrameCount(0), FramesPerSecond((f32)(MD2AnimationTypeList[0].fps << MD2_FRAME_SHIFT))
{
#ifdef _DEBUG
IAnimatedMesh::setDebugName("CAnimatedMeshMD2 IAnimatedMesh");
IMesh::setDebugName("CAnimatedMeshMD2 IMesh");
#endif
InterpolationBuffer = new SMeshBuffer;
}
//! destructor
CAnimatedMeshMD2::~CAnimatedMeshMD2()
{
delete [] FrameList;
if (InterpolationBuffer)
InterpolationBuffer->drop();
}
//! 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 > getFrameCount())
frame = (frame % getFrameCount());
if (startFrameLoop == -1 && endFrameLoop == -1)
{
startFrameLoop = 0;
endFrameLoop = getFrameCount();
}
updateInterpolationBuffer(frame, startFrameLoop, endFrameLoop);
return this;
}
//! returns amount of mesh buffers. MD2 meshes only have one buffer
u32 CAnimatedMeshMD2::getMeshBufferCount() const
{
return 1;
}
//! returns pointer to a mesh buffer
IMeshBuffer* CAnimatedMeshMD2::getMeshBuffer(u32 nr) const
{
if (nr == 0)
return InterpolationBuffer;
else
return 0;
}
//! Returns pointer to a mesh buffer which fits a material
IMeshBuffer* CAnimatedMeshMD2::getMeshBuffer(const video::SMaterial &material) const
{
if (InterpolationBuffer->Material == material)
return 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 = static_cast<video::S3DVertex*>(InterpolationBuffer->getVertices());
SMD2Vert* first = FrameList[firstFrame].pointer();
SMD2Vert* second = FrameList[secondFrame].pointer();
// interpolate both frames
const u32 count = FrameList[firstFrame].size();
for (u32 i=0; i<count; ++i)
{
const core::vector3df one = core::vector3df(f32(first->Pos.X) * FrameTransforms[firstFrame].scale.X + FrameTransforms[firstFrame].translate.X,
f32(first->Pos.Y) * FrameTransforms[firstFrame].scale.Y + FrameTransforms[firstFrame].translate.Y,
f32(first->Pos.Z) * FrameTransforms[firstFrame].scale.Z + FrameTransforms[firstFrame].translate.Z);
const core::vector3df two = core::vector3df(f32(second->Pos.X) * FrameTransforms[secondFrame].scale.X + FrameTransforms[secondFrame].translate.X,
f32(second->Pos.Y) * FrameTransforms[secondFrame].scale.Y + FrameTransforms[secondFrame].translate.Y,
f32(second->Pos.Z) * FrameTransforms[secondFrame].scale.Z + FrameTransforms[secondFrame].translate.Z);
target->Pos = two.getInterpolated(one, div);
const core::vector3df n1(
Q2_VERTEX_NORMAL_TABLE[first->NormalIdx][0],
Q2_VERTEX_NORMAL_TABLE[first->NormalIdx][2],
Q2_VERTEX_NORMAL_TABLE[first->NormalIdx][1]);
const core::vector3df n2(
Q2_VERTEX_NORMAL_TABLE[second->NormalIdx][0],
Q2_VERTEX_NORMAL_TABLE[second->NormalIdx][2],
Q2_VERTEX_NORMAL_TABLE[second->NormalIdx][1]);
target->Normal = n2.getInterpolated(n1, div);
++target;
++first;
++second;
}
//update bounding box
InterpolationBuffer->setBoundingBox(BoxList[secondFrame].getInterpolated(BoxList[firstFrame], div));
InterpolationBuffer->setDirty();
}
//! 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);
}
//! set the hardware mapping hint, for driver
void CAnimatedMeshMD2::setHardwareMappingHint(E_HARDWARE_MAPPING newMappingHint,
E_BUFFER_TYPE buffer)
{
InterpolationBuffer->setHardwareMappingHint(newMappingHint, buffer);
}
//! flags the meshbuffer as changed, reloads hardware buffers
void CAnimatedMeshMD2::setDirty(E_BUFFER_TYPE buffer)
{
InterpolationBuffer->setDirty(buffer);
}
//! 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 (u32 i=0; i < AnimationData.size(); ++i)
{
if (AnimationData[i].name == name)
{
outBegin = AnimationData[i].begin << MD2_FRAME_SHIFT;
outEnd = AnimationData[i].end << MD2_FRAME_SHIFT;
outEnd += MD2_FRAME_SHIFT == 0 ? 1 : (1 << MD2_FRAME_SHIFT) - 1;
outFPS = AnimationData[i].fps << MD2_FRAME_SHIFT;
return true;
}
}
return false;
}
//! Returns amount of md2 animations in this file.
s32 CAnimatedMeshMD2::getAnimationCount() const
{
return AnimationData.size();
}
//! Returns name of md2 animation.
const c8* CAnimatedMeshMD2::getAnimationName(s32 nr) const
{
if ((u32)nr >= AnimationData.size())
return 0;
return AnimationData[nr].name.c_str();
}
} // end namespace scene
} // end namespace irr
#endif // _IRR_COMPILE_WITH_MD2_LOADER_
|
