mirror of
https://github.com/minetest/irrlicht.git
synced 2024-11-14 06:20:26 +01:00
9954667c45
The exact commands to make this commit were: git reset --hard origin/master find -type f | # list all regular files grep -E '\.(h|cpp|fsh|vsh|mm)|LICENSE$' | # filter for text files xargs -n 1 -P $(nproc) sed -i 's:\s*$::' # for each file, trim trailing whitespace including the CR git commit -a
1531 lines
38 KiB
C++
1531 lines
38 KiB
C++
// 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 "CSkinnedMesh.h"
|
|
#include "CBoneSceneNode.h"
|
|
#include "IAnimatedMeshSceneNode.h"
|
|
#include "os.h"
|
|
|
|
namespace
|
|
{
|
|
// Frames must always be increasing, so we remove objects where this isn't the case
|
|
// return number of kicked keys
|
|
template <class T> // T = objects containing a "frame" variable
|
|
irr::u32 dropBadKeys(irr::core::array<T>& array)
|
|
{
|
|
if (array.size()<2)
|
|
return 0;
|
|
|
|
irr::u32 n=1; // new index
|
|
for(irr::u32 j=1;j<array.size();++j)
|
|
{
|
|
if (array[j].frame < array[n-1].frame)
|
|
continue; //bad frame, unneeded and may cause problems
|
|
if ( n != j )
|
|
array[n] = array[j];
|
|
++n;
|
|
}
|
|
irr::u32 d = array.size()-n; // remove already copied keys
|
|
if ( d > 0 )
|
|
{
|
|
array.erase(n, d);
|
|
}
|
|
return d;
|
|
}
|
|
|
|
// drop identical middle keys - we only need the first and last
|
|
// return number of kicked keys
|
|
template <class T, typename Cmp> // Cmp = comparison for keys of type T
|
|
irr::u32 dropMiddleKeys(irr::core::array<T>& array, Cmp & cmp)
|
|
{
|
|
if ( array.size() < 3 )
|
|
return 0;
|
|
|
|
irr::u32 s = 0; // old index for current key
|
|
irr::u32 n = 1; // new index for next key
|
|
for(irr::u32 j=1;j<array.size();++j)
|
|
{
|
|
if ( cmp(array[j], array[s]) )
|
|
continue; // same key, handle later
|
|
|
|
if ( j > s+1 ) // had there been identical keys?
|
|
array[n++] = array[j-1]; // keep the last
|
|
array[n++] = array[j]; // keep the new one
|
|
s = j;
|
|
}
|
|
if ( array.size() > s+1 ) // identical keys at the array end?
|
|
array[n++] = array[array.size()-1]; // keep the last
|
|
|
|
irr::u32 d = array.size()-n; // remove already copied keys
|
|
if ( d > 0 )
|
|
{
|
|
array.erase(n, d);
|
|
}
|
|
return d;
|
|
}
|
|
|
|
bool identicalPos(const irr::scene::ISkinnedMesh::SPositionKey& a, const irr::scene::ISkinnedMesh::SPositionKey& b)
|
|
{
|
|
return a.position == b.position;
|
|
}
|
|
|
|
bool identicalScale(const irr::scene::ISkinnedMesh::SScaleKey& a, const irr::scene::ISkinnedMesh::SScaleKey& b)
|
|
{
|
|
return a.scale == b.scale;
|
|
}
|
|
|
|
bool identicalRotation(const irr::scene::ISkinnedMesh::SRotationKey& a, const irr::scene::ISkinnedMesh::SRotationKey& b)
|
|
{
|
|
return a.rotation == b.rotation;
|
|
}
|
|
}
|
|
|
|
namespace irr
|
|
{
|
|
namespace scene
|
|
{
|
|
|
|
|
|
//! constructor
|
|
CSkinnedMesh::CSkinnedMesh()
|
|
: SkinningBuffers(0), EndFrame(0.f), FramesPerSecond(25.f),
|
|
LastAnimatedFrame(-1), SkinnedLastFrame(false),
|
|
InterpolationMode(EIM_LINEAR),
|
|
HasAnimation(false), PreparedForSkinning(false),
|
|
AnimateNormals(true), HardwareSkinning(false)
|
|
{
|
|
#ifdef _DEBUG
|
|
setDebugName("CSkinnedMesh");
|
|
#endif
|
|
|
|
SkinningBuffers=&LocalBuffers;
|
|
}
|
|
|
|
|
|
//! destructor
|
|
CSkinnedMesh::~CSkinnedMesh()
|
|
{
|
|
for (u32 i=0; i<AllJoints.size(); ++i)
|
|
delete AllJoints[i];
|
|
|
|
for (u32 j=0; j<LocalBuffers.size(); ++j)
|
|
{
|
|
if (LocalBuffers[j])
|
|
LocalBuffers[j]->drop();
|
|
}
|
|
}
|
|
|
|
|
|
//! returns the amount of frames in milliseconds.
|
|
//! If the amount is 1, it is a static (=non animated) mesh.
|
|
u32 CSkinnedMesh::getFrameCount() const
|
|
{
|
|
return core::floor32(EndFrame+1.f);
|
|
}
|
|
|
|
|
|
//! Gets the default animation speed of the animated mesh.
|
|
/** \return Amount of frames per second. If the amount is 0, it is a static, non animated mesh. */
|
|
f32 CSkinnedMesh::getAnimationSpeed() const
|
|
{
|
|
return FramesPerSecond;
|
|
}
|
|
|
|
|
|
//! Gets the frame count of the animated mesh.
|
|
/** \param fps Frames per second to play the animation with. If the amount is 0, it is not animated.
|
|
The actual speed is set in the scene node the mesh is instantiated in.*/
|
|
void CSkinnedMesh::setAnimationSpeed(f32 fps)
|
|
{
|
|
FramesPerSecond=fps;
|
|
}
|
|
|
|
|
|
//! 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* CSkinnedMesh::getMesh(s32 frame, s32 detailLevel, s32 startFrameLoop, s32 endFrameLoop)
|
|
{
|
|
//animate(frame,startFrameLoop, endFrameLoop);
|
|
if (frame==-1)
|
|
return this;
|
|
|
|
animateMesh((f32)frame, 1.0f);
|
|
skinMesh();
|
|
return this;
|
|
}
|
|
|
|
|
|
//--------------------------------------------------------------------------
|
|
// Keyframe Animation
|
|
//--------------------------------------------------------------------------
|
|
|
|
|
|
//! Animates this mesh's joints based on frame input
|
|
//! blend: {0-old position, 1-New position}
|
|
void CSkinnedMesh::animateMesh(f32 frame, f32 blend)
|
|
{
|
|
if (!HasAnimation || LastAnimatedFrame==frame)
|
|
return;
|
|
|
|
LastAnimatedFrame=frame;
|
|
SkinnedLastFrame=false;
|
|
|
|
if (blend<=0.f)
|
|
return; //No need to animate
|
|
|
|
for (u32 i=0; i<AllJoints.size(); ++i)
|
|
{
|
|
//The joints can be animated here with no input from their
|
|
//parents, but for setAnimationMode extra checks are needed
|
|
//to their parents
|
|
SJoint *joint = AllJoints[i];
|
|
|
|
const core::vector3df oldPosition = joint->Animatedposition;
|
|
const core::vector3df oldScale = joint->Animatedscale;
|
|
const core::quaternion oldRotation = joint->Animatedrotation;
|
|
|
|
core::vector3df position = oldPosition;
|
|
core::vector3df scale = oldScale;
|
|
core::quaternion rotation = oldRotation;
|
|
|
|
getFrameData(frame, joint,
|
|
position, joint->positionHint,
|
|
scale, joint->scaleHint,
|
|
rotation, joint->rotationHint);
|
|
|
|
if (blend==1.0f)
|
|
{
|
|
//No blending needed
|
|
joint->Animatedposition = position;
|
|
joint->Animatedscale = scale;
|
|
joint->Animatedrotation = rotation;
|
|
}
|
|
else
|
|
{
|
|
//Blend animation
|
|
joint->Animatedposition = core::lerp(oldPosition, position, blend);
|
|
joint->Animatedscale = core::lerp(oldScale, scale, blend);
|
|
joint->Animatedrotation.slerp(oldRotation, rotation, blend);
|
|
}
|
|
}
|
|
|
|
//Note:
|
|
//LocalAnimatedMatrix needs to be built at some point, but this function may be called lots of times for
|
|
//one render (to play two animations at the same time) LocalAnimatedMatrix only needs to be built once.
|
|
//a call to buildAllLocalAnimatedMatrices is needed before skinning the mesh, and before the user gets the joints to move
|
|
|
|
//----------------
|
|
// Temp!
|
|
buildAllLocalAnimatedMatrices();
|
|
//-----------------
|
|
|
|
updateBoundingBox();
|
|
}
|
|
|
|
|
|
void CSkinnedMesh::buildAllLocalAnimatedMatrices()
|
|
{
|
|
for (u32 i=0; i<AllJoints.size(); ++i)
|
|
{
|
|
SJoint *joint = AllJoints[i];
|
|
|
|
//Could be faster:
|
|
|
|
if (joint->UseAnimationFrom &&
|
|
(joint->UseAnimationFrom->PositionKeys.size() ||
|
|
joint->UseAnimationFrom->ScaleKeys.size() ||
|
|
joint->UseAnimationFrom->RotationKeys.size() ))
|
|
{
|
|
joint->GlobalSkinningSpace=false;
|
|
|
|
// IRR_TEST_BROKEN_QUATERNION_USE: TODO - switched to getMatrix_transposed instead of getMatrix for downward compatibility.
|
|
// Not tested so far if this was correct or wrong before quaternion fix!
|
|
joint->Animatedrotation.getMatrix_transposed(joint->LocalAnimatedMatrix);
|
|
|
|
// --- joint->LocalAnimatedMatrix *= joint->Animatedrotation.getMatrix() ---
|
|
f32 *m1 = joint->LocalAnimatedMatrix.pointer();
|
|
core::vector3df &Pos = joint->Animatedposition;
|
|
m1[0] += Pos.X*m1[3];
|
|
m1[1] += Pos.Y*m1[3];
|
|
m1[2] += Pos.Z*m1[3];
|
|
m1[4] += Pos.X*m1[7];
|
|
m1[5] += Pos.Y*m1[7];
|
|
m1[6] += Pos.Z*m1[7];
|
|
m1[8] += Pos.X*m1[11];
|
|
m1[9] += Pos.Y*m1[11];
|
|
m1[10] += Pos.Z*m1[11];
|
|
m1[12] += Pos.X*m1[15];
|
|
m1[13] += Pos.Y*m1[15];
|
|
m1[14] += Pos.Z*m1[15];
|
|
// -----------------------------------
|
|
|
|
if (joint->ScaleKeys.size())
|
|
{
|
|
/*
|
|
core::matrix4 scaleMatrix;
|
|
scaleMatrix.setScale(joint->Animatedscale);
|
|
joint->LocalAnimatedMatrix *= scaleMatrix;
|
|
*/
|
|
|
|
// -------- joint->LocalAnimatedMatrix *= scaleMatrix -----------------
|
|
core::matrix4& mat = joint->LocalAnimatedMatrix;
|
|
mat[0] *= joint->Animatedscale.X;
|
|
mat[1] *= joint->Animatedscale.X;
|
|
mat[2] *= joint->Animatedscale.X;
|
|
mat[3] *= joint->Animatedscale.X;
|
|
mat[4] *= joint->Animatedscale.Y;
|
|
mat[5] *= joint->Animatedscale.Y;
|
|
mat[6] *= joint->Animatedscale.Y;
|
|
mat[7] *= joint->Animatedscale.Y;
|
|
mat[8] *= joint->Animatedscale.Z;
|
|
mat[9] *= joint->Animatedscale.Z;
|
|
mat[10] *= joint->Animatedscale.Z;
|
|
mat[11] *= joint->Animatedscale.Z;
|
|
// -----------------------------------
|
|
}
|
|
}
|
|
else
|
|
{
|
|
joint->LocalAnimatedMatrix=joint->LocalMatrix;
|
|
}
|
|
}
|
|
SkinnedLastFrame=false;
|
|
}
|
|
|
|
|
|
void CSkinnedMesh::buildAllGlobalAnimatedMatrices(SJoint *joint, SJoint *parentJoint)
|
|
{
|
|
if (!joint)
|
|
{
|
|
for (u32 i=0; i<RootJoints.size(); ++i)
|
|
buildAllGlobalAnimatedMatrices(RootJoints[i], 0);
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
// Find global matrix...
|
|
if (!parentJoint || joint->GlobalSkinningSpace)
|
|
joint->GlobalAnimatedMatrix = joint->LocalAnimatedMatrix;
|
|
else
|
|
joint->GlobalAnimatedMatrix = parentJoint->GlobalAnimatedMatrix * joint->LocalAnimatedMatrix;
|
|
}
|
|
|
|
for (u32 j=0; j<joint->Children.size(); ++j)
|
|
buildAllGlobalAnimatedMatrices(joint->Children[j], joint);
|
|
}
|
|
|
|
|
|
void CSkinnedMesh::getFrameData(f32 frame, SJoint *joint,
|
|
core::vector3df &position, s32 &positionHint,
|
|
core::vector3df &scale, s32 &scaleHint,
|
|
core::quaternion &rotation, s32 &rotationHint)
|
|
{
|
|
s32 foundPositionIndex = -1;
|
|
s32 foundScaleIndex = -1;
|
|
s32 foundRotationIndex = -1;
|
|
|
|
if (joint->UseAnimationFrom)
|
|
{
|
|
const core::array<SPositionKey> &PositionKeys=joint->UseAnimationFrom->PositionKeys;
|
|
const core::array<SScaleKey> &ScaleKeys=joint->UseAnimationFrom->ScaleKeys;
|
|
const core::array<SRotationKey> &RotationKeys=joint->UseAnimationFrom->RotationKeys;
|
|
|
|
if (PositionKeys.size())
|
|
{
|
|
foundPositionIndex = -1;
|
|
|
|
//Test the Hints...
|
|
if (positionHint>=0 && (u32)positionHint < PositionKeys.size())
|
|
{
|
|
//check this hint
|
|
if (positionHint>0 && PositionKeys[positionHint].frame>=frame && PositionKeys[positionHint-1].frame<frame )
|
|
foundPositionIndex=positionHint;
|
|
else if (positionHint+1 < (s32)PositionKeys.size())
|
|
{
|
|
//check the next index
|
|
if ( PositionKeys[positionHint+1].frame>=frame &&
|
|
PositionKeys[positionHint+0].frame<frame)
|
|
{
|
|
positionHint++;
|
|
foundPositionIndex=positionHint;
|
|
}
|
|
}
|
|
}
|
|
|
|
//The hint test failed, do a full scan...
|
|
if (foundPositionIndex==-1)
|
|
{
|
|
for (u32 i=0; i<PositionKeys.size(); ++i)
|
|
{
|
|
if (PositionKeys[i].frame >= frame) //Keys should to be sorted by frame
|
|
{
|
|
foundPositionIndex=i;
|
|
positionHint=i;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
//Do interpolation...
|
|
if (foundPositionIndex!=-1)
|
|
{
|
|
if (InterpolationMode==EIM_CONSTANT || foundPositionIndex==0)
|
|
{
|
|
position = PositionKeys[foundPositionIndex].position;
|
|
}
|
|
else if (InterpolationMode==EIM_LINEAR)
|
|
{
|
|
const SPositionKey& KeyA = PositionKeys[foundPositionIndex];
|
|
const SPositionKey& KeyB = PositionKeys[foundPositionIndex-1];
|
|
|
|
const f32 fd1 = frame - KeyA.frame;
|
|
const f32 fd2 = KeyB.frame - frame;
|
|
position = ((KeyB.position-KeyA.position)/(fd1+fd2))*fd1 + KeyA.position;
|
|
}
|
|
}
|
|
}
|
|
|
|
//------------------------------------------------------------
|
|
|
|
if (ScaleKeys.size())
|
|
{
|
|
foundScaleIndex = -1;
|
|
|
|
//Test the Hints...
|
|
if (scaleHint>=0 && (u32)scaleHint < ScaleKeys.size())
|
|
{
|
|
//check this hint
|
|
if (scaleHint>0 && ScaleKeys[scaleHint].frame>=frame && ScaleKeys[scaleHint-1].frame<frame )
|
|
foundScaleIndex=scaleHint;
|
|
else if (scaleHint+1 < (s32)ScaleKeys.size())
|
|
{
|
|
//check the next index
|
|
if ( ScaleKeys[scaleHint+1].frame>=frame &&
|
|
ScaleKeys[scaleHint+0].frame<frame)
|
|
{
|
|
scaleHint++;
|
|
foundScaleIndex=scaleHint;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
//The hint test failed, do a full scan...
|
|
if (foundScaleIndex==-1)
|
|
{
|
|
for (u32 i=0; i<ScaleKeys.size(); ++i)
|
|
{
|
|
if (ScaleKeys[i].frame >= frame) //Keys should to be sorted by frame
|
|
{
|
|
foundScaleIndex=i;
|
|
scaleHint=i;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
//Do interpolation...
|
|
if (foundScaleIndex!=-1)
|
|
{
|
|
if (InterpolationMode==EIM_CONSTANT || foundScaleIndex==0)
|
|
{
|
|
scale = ScaleKeys[foundScaleIndex].scale;
|
|
}
|
|
else if (InterpolationMode==EIM_LINEAR)
|
|
{
|
|
const SScaleKey& KeyA = ScaleKeys[foundScaleIndex];
|
|
const SScaleKey& KeyB = ScaleKeys[foundScaleIndex-1];
|
|
|
|
const f32 fd1 = frame - KeyA.frame;
|
|
const f32 fd2 = KeyB.frame - frame;
|
|
scale = ((KeyB.scale-KeyA.scale)/(fd1+fd2))*fd1 + KeyA.scale;
|
|
}
|
|
}
|
|
}
|
|
|
|
//-------------------------------------------------------------
|
|
|
|
if (RotationKeys.size())
|
|
{
|
|
foundRotationIndex = -1;
|
|
|
|
//Test the Hints...
|
|
if (rotationHint>=0 && (u32)rotationHint < RotationKeys.size())
|
|
{
|
|
//check this hint
|
|
if (rotationHint>0 && RotationKeys[rotationHint].frame>=frame && RotationKeys[rotationHint-1].frame<frame )
|
|
foundRotationIndex=rotationHint;
|
|
else if (rotationHint+1 < (s32)RotationKeys.size())
|
|
{
|
|
//check the next index
|
|
if ( RotationKeys[rotationHint+1].frame>=frame &&
|
|
RotationKeys[rotationHint+0].frame<frame)
|
|
{
|
|
rotationHint++;
|
|
foundRotationIndex=rotationHint;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
//The hint test failed, do a full scan...
|
|
if (foundRotationIndex==-1)
|
|
{
|
|
for (u32 i=0; i<RotationKeys.size(); ++i)
|
|
{
|
|
if (RotationKeys[i].frame >= frame) //Keys should be sorted by frame
|
|
{
|
|
foundRotationIndex=i;
|
|
rotationHint=i;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
//Do interpolation...
|
|
if (foundRotationIndex!=-1)
|
|
{
|
|
if (InterpolationMode==EIM_CONSTANT || foundRotationIndex==0)
|
|
{
|
|
rotation = RotationKeys[foundRotationIndex].rotation;
|
|
}
|
|
else if (InterpolationMode==EIM_LINEAR)
|
|
{
|
|
const SRotationKey& KeyA = RotationKeys[foundRotationIndex];
|
|
const SRotationKey& KeyB = RotationKeys[foundRotationIndex-1];
|
|
|
|
const f32 fd1 = frame - KeyA.frame;
|
|
const f32 fd2 = KeyB.frame - frame;
|
|
const f32 t = fd1/(fd1+fd2);
|
|
|
|
/*
|
|
f32 t = 0;
|
|
if (KeyA.frame!=KeyB.frame)
|
|
t = (frame-KeyA.frame) / (KeyB.frame - KeyA.frame);
|
|
*/
|
|
|
|
rotation.slerp(KeyA.rotation, KeyB.rotation, t);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//--------------------------------------------------------------------------
|
|
// Software Skinning
|
|
//--------------------------------------------------------------------------
|
|
|
|
//! Preforms a software skin on this mesh based of joint positions
|
|
void CSkinnedMesh::skinMesh()
|
|
{
|
|
if (!HasAnimation || SkinnedLastFrame)
|
|
return;
|
|
|
|
//----------------
|
|
// This is marked as "Temp!". A shiny dubloon to whomever can tell me why.
|
|
buildAllGlobalAnimatedMatrices();
|
|
//-----------------
|
|
|
|
SkinnedLastFrame=true;
|
|
if (!HardwareSkinning)
|
|
{
|
|
//Software skin....
|
|
u32 i;
|
|
|
|
//rigid animation
|
|
for (i=0; i<AllJoints.size(); ++i)
|
|
{
|
|
for (u32 j=0; j<AllJoints[i]->AttachedMeshes.size(); ++j)
|
|
{
|
|
SSkinMeshBuffer* Buffer=(*SkinningBuffers)[ AllJoints[i]->AttachedMeshes[j] ];
|
|
Buffer->Transformation=AllJoints[i]->GlobalAnimatedMatrix;
|
|
}
|
|
}
|
|
|
|
//clear skinning helper array
|
|
for (i=0; i<Vertices_Moved.size(); ++i)
|
|
for (u32 j=0; j<Vertices_Moved[i].size(); ++j)
|
|
Vertices_Moved[i][j]=false;
|
|
|
|
//skin starting with the root joints
|
|
for (i=0; i<RootJoints.size(); ++i)
|
|
skinJoint(RootJoints[i], 0);
|
|
|
|
for (i=0; i<SkinningBuffers->size(); ++i)
|
|
(*SkinningBuffers)[i]->setDirty(EBT_VERTEX);
|
|
}
|
|
updateBoundingBox();
|
|
}
|
|
|
|
|
|
void CSkinnedMesh::skinJoint(SJoint *joint, SJoint *parentJoint)
|
|
{
|
|
if (joint->Weights.size())
|
|
{
|
|
//Find this joints pull on vertices...
|
|
core::matrix4 jointVertexPull(core::matrix4::EM4CONST_NOTHING);
|
|
jointVertexPull.setbyproduct(joint->GlobalAnimatedMatrix, joint->GlobalInversedMatrix);
|
|
|
|
core::vector3df thisVertexMove, thisNormalMove;
|
|
|
|
core::array<scene::SSkinMeshBuffer*> &buffersUsed=*SkinningBuffers;
|
|
|
|
//Skin Vertices Positions and Normals...
|
|
for (u32 i=0; i<joint->Weights.size(); ++i)
|
|
{
|
|
SWeight& weight = joint->Weights[i];
|
|
|
|
// Pull this vertex...
|
|
jointVertexPull.transformVect(thisVertexMove, weight.StaticPos);
|
|
|
|
if (AnimateNormals)
|
|
jointVertexPull.rotateVect(thisNormalMove, weight.StaticNormal);
|
|
|
|
if (! (*(weight.Moved)) )
|
|
{
|
|
*(weight.Moved) = true;
|
|
|
|
buffersUsed[weight.buffer_id]->getVertex(weight.vertex_id)->Pos = thisVertexMove * weight.strength;
|
|
|
|
if (AnimateNormals)
|
|
buffersUsed[weight.buffer_id]->getVertex(weight.vertex_id)->Normal = thisNormalMove * weight.strength;
|
|
|
|
//*(weight._Pos) = thisVertexMove * weight.strength;
|
|
}
|
|
else
|
|
{
|
|
buffersUsed[weight.buffer_id]->getVertex(weight.vertex_id)->Pos += thisVertexMove * weight.strength;
|
|
|
|
if (AnimateNormals)
|
|
buffersUsed[weight.buffer_id]->getVertex(weight.vertex_id)->Normal += thisNormalMove * weight.strength;
|
|
|
|
//*(weight._Pos) += thisVertexMove * weight.strength;
|
|
}
|
|
|
|
buffersUsed[weight.buffer_id]->boundingBoxNeedsRecalculated();
|
|
}
|
|
}
|
|
|
|
//Skin all children
|
|
for (u32 j=0; j<joint->Children.size(); ++j)
|
|
skinJoint(joint->Children[j], joint);
|
|
}
|
|
|
|
|
|
E_ANIMATED_MESH_TYPE CSkinnedMesh::getMeshType() const
|
|
{
|
|
return EAMT_SKINNED;
|
|
}
|
|
|
|
|
|
//! Gets joint count.
|
|
u32 CSkinnedMesh::getJointCount() const
|
|
{
|
|
return AllJoints.size();
|
|
}
|
|
|
|
|
|
//! Gets the name of a joint.
|
|
const c8* CSkinnedMesh::getJointName(u32 number) const
|
|
{
|
|
if (number >= AllJoints.size())
|
|
return 0;
|
|
return AllJoints[number]->Name.c_str();
|
|
}
|
|
|
|
|
|
//! Gets a joint number from its name
|
|
s32 CSkinnedMesh::getJointNumber(const c8* name) const
|
|
{
|
|
for (u32 i=0; i<AllJoints.size(); ++i)
|
|
{
|
|
if (AllJoints[i]->Name == name)
|
|
return i;
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
|
|
//! returns amount of mesh buffers.
|
|
u32 CSkinnedMesh::getMeshBufferCount() const
|
|
{
|
|
return LocalBuffers.size();
|
|
}
|
|
|
|
|
|
//! returns pointer to a mesh buffer
|
|
IMeshBuffer* CSkinnedMesh::getMeshBuffer(u32 nr) const
|
|
{
|
|
if (nr < LocalBuffers.size())
|
|
return LocalBuffers[nr];
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
|
|
//! Returns pointer to a mesh buffer which fits a material
|
|
IMeshBuffer* CSkinnedMesh::getMeshBuffer(const video::SMaterial &material) const
|
|
{
|
|
for (u32 i=0; i<LocalBuffers.size(); ++i)
|
|
{
|
|
if (LocalBuffers[i]->getMaterial() == material)
|
|
return LocalBuffers[i];
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
//! returns an axis aligned bounding box
|
|
const core::aabbox3d<f32>& CSkinnedMesh::getBoundingBox() const
|
|
{
|
|
return BoundingBox;
|
|
}
|
|
|
|
|
|
//! set user axis aligned bounding box
|
|
void CSkinnedMesh::setBoundingBox( const core::aabbox3df& box)
|
|
{
|
|
BoundingBox = box;
|
|
}
|
|
|
|
|
|
//! set the hardware mapping hint, for driver
|
|
void CSkinnedMesh::setHardwareMappingHint(E_HARDWARE_MAPPING newMappingHint,
|
|
E_BUFFER_TYPE buffer)
|
|
{
|
|
for (u32 i=0; i<LocalBuffers.size(); ++i)
|
|
LocalBuffers[i]->setHardwareMappingHint(newMappingHint, buffer);
|
|
}
|
|
|
|
|
|
//! flags the meshbuffer as changed, reloads hardware buffers
|
|
void CSkinnedMesh::setDirty(E_BUFFER_TYPE buffer)
|
|
{
|
|
for (u32 i=0; i<LocalBuffers.size(); ++i)
|
|
LocalBuffers[i]->setDirty(buffer);
|
|
}
|
|
|
|
|
|
//! uses animation from another mesh
|
|
bool CSkinnedMesh::useAnimationFrom(const ISkinnedMesh *mesh)
|
|
{
|
|
bool unmatched=false;
|
|
|
|
for(u32 i=0;i<AllJoints.size();++i)
|
|
{
|
|
SJoint *joint=AllJoints[i];
|
|
joint->UseAnimationFrom=0;
|
|
|
|
if (joint->Name=="")
|
|
unmatched=true;
|
|
else
|
|
{
|
|
for(u32 j=0;j<mesh->getAllJoints().size();++j)
|
|
{
|
|
SJoint *otherJoint=mesh->getAllJoints()[j];
|
|
if (joint->Name==otherJoint->Name)
|
|
{
|
|
joint->UseAnimationFrom=otherJoint;
|
|
}
|
|
}
|
|
if (!joint->UseAnimationFrom)
|
|
unmatched=true;
|
|
}
|
|
}
|
|
|
|
checkForAnimation();
|
|
|
|
return !unmatched;
|
|
}
|
|
|
|
|
|
//!Update Normals when Animating
|
|
//!False= Don't animate them, faster
|
|
//!True= Update normals (default)
|
|
void CSkinnedMesh::updateNormalsWhenAnimating(bool on)
|
|
{
|
|
AnimateNormals = on;
|
|
}
|
|
|
|
|
|
//!Sets Interpolation Mode
|
|
void CSkinnedMesh::setInterpolationMode(E_INTERPOLATION_MODE mode)
|
|
{
|
|
InterpolationMode = mode;
|
|
}
|
|
|
|
|
|
core::array<scene::SSkinMeshBuffer*> &CSkinnedMesh::getMeshBuffers()
|
|
{
|
|
return LocalBuffers;
|
|
}
|
|
|
|
|
|
core::array<CSkinnedMesh::SJoint*> &CSkinnedMesh::getAllJoints()
|
|
{
|
|
return AllJoints;
|
|
}
|
|
|
|
|
|
const core::array<CSkinnedMesh::SJoint*> &CSkinnedMesh::getAllJoints() const
|
|
{
|
|
return AllJoints;
|
|
}
|
|
|
|
|
|
//! (This feature is not implemented in irrlicht yet)
|
|
bool CSkinnedMesh::setHardwareSkinning(bool on)
|
|
{
|
|
if (HardwareSkinning!=on)
|
|
{
|
|
if (on)
|
|
{
|
|
|
|
//set mesh to static pose...
|
|
for (u32 i=0; i<AllJoints.size(); ++i)
|
|
{
|
|
SJoint *joint=AllJoints[i];
|
|
for (u32 j=0; j<joint->Weights.size(); ++j)
|
|
{
|
|
const u16 buffer_id=joint->Weights[j].buffer_id;
|
|
const u32 vertex_id=joint->Weights[j].vertex_id;
|
|
LocalBuffers[buffer_id]->getVertex(vertex_id)->Pos = joint->Weights[j].StaticPos;
|
|
LocalBuffers[buffer_id]->getVertex(vertex_id)->Normal = joint->Weights[j].StaticNormal;
|
|
LocalBuffers[buffer_id]->boundingBoxNeedsRecalculated();
|
|
}
|
|
}
|
|
}
|
|
|
|
HardwareSkinning=on;
|
|
}
|
|
return HardwareSkinning;
|
|
}
|
|
|
|
void CSkinnedMesh::refreshJointCache()
|
|
{
|
|
//copy cache from the mesh...
|
|
for (u32 i=0; i<AllJoints.size(); ++i)
|
|
{
|
|
SJoint *joint=AllJoints[i];
|
|
for (u32 j=0; j<joint->Weights.size(); ++j)
|
|
{
|
|
const u16 buffer_id=joint->Weights[j].buffer_id;
|
|
const u32 vertex_id=joint->Weights[j].vertex_id;
|
|
joint->Weights[j].StaticPos = LocalBuffers[buffer_id]->getVertex(vertex_id)->Pos;
|
|
joint->Weights[j].StaticNormal = LocalBuffers[buffer_id]->getVertex(vertex_id)->Normal;
|
|
}
|
|
}
|
|
}
|
|
|
|
void CSkinnedMesh::resetAnimation()
|
|
{
|
|
//copy from the cache to the mesh...
|
|
for (u32 i=0; i<AllJoints.size(); ++i)
|
|
{
|
|
SJoint *joint=AllJoints[i];
|
|
for (u32 j=0; j<joint->Weights.size(); ++j)
|
|
{
|
|
const u16 buffer_id=joint->Weights[j].buffer_id;
|
|
const u32 vertex_id=joint->Weights[j].vertex_id;
|
|
LocalBuffers[buffer_id]->getVertex(vertex_id)->Pos = joint->Weights[j].StaticPos;
|
|
LocalBuffers[buffer_id]->getVertex(vertex_id)->Normal = joint->Weights[j].StaticNormal;
|
|
}
|
|
}
|
|
SkinnedLastFrame = false;
|
|
LastAnimatedFrame = -1;
|
|
}
|
|
|
|
void CSkinnedMesh::calculateGlobalMatrices(SJoint *joint,SJoint *parentJoint)
|
|
{
|
|
if (!joint && parentJoint) // bit of protection from endless loops
|
|
return;
|
|
|
|
//Go through the root bones
|
|
if (!joint)
|
|
{
|
|
for (u32 i=0; i<RootJoints.size(); ++i)
|
|
calculateGlobalMatrices(RootJoints[i],0);
|
|
return;
|
|
}
|
|
|
|
if (!parentJoint)
|
|
joint->GlobalMatrix = joint->LocalMatrix;
|
|
else
|
|
joint->GlobalMatrix = parentJoint->GlobalMatrix * joint->LocalMatrix;
|
|
|
|
joint->LocalAnimatedMatrix=joint->LocalMatrix;
|
|
joint->GlobalAnimatedMatrix=joint->GlobalMatrix;
|
|
|
|
if (joint->GlobalInversedMatrix.isIdentity())//might be pre calculated
|
|
{
|
|
joint->GlobalInversedMatrix = joint->GlobalMatrix;
|
|
joint->GlobalInversedMatrix.makeInverse(); // slow
|
|
}
|
|
|
|
for (u32 j=0; j<joint->Children.size(); ++j)
|
|
calculateGlobalMatrices(joint->Children[j],joint);
|
|
SkinnedLastFrame=false;
|
|
}
|
|
|
|
|
|
void CSkinnedMesh::checkForAnimation()
|
|
{
|
|
u32 i,j;
|
|
//Check for animation...
|
|
HasAnimation = false;
|
|
for(i=0;i<AllJoints.size();++i)
|
|
{
|
|
if (AllJoints[i]->UseAnimationFrom)
|
|
{
|
|
if (AllJoints[i]->UseAnimationFrom->PositionKeys.size() ||
|
|
AllJoints[i]->UseAnimationFrom->ScaleKeys.size() ||
|
|
AllJoints[i]->UseAnimationFrom->RotationKeys.size() )
|
|
{
|
|
HasAnimation = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
//meshes with weights, are still counted as animated for ragdolls, etc
|
|
if (!HasAnimation)
|
|
{
|
|
for(i=0;i<AllJoints.size();++i)
|
|
{
|
|
if (AllJoints[i]->Weights.size())
|
|
HasAnimation = true;
|
|
}
|
|
}
|
|
|
|
if (HasAnimation)
|
|
{
|
|
//--- Find the length of the animation ---
|
|
EndFrame=0;
|
|
for(i=0;i<AllJoints.size();++i)
|
|
{
|
|
if (AllJoints[i]->UseAnimationFrom)
|
|
{
|
|
if (AllJoints[i]->UseAnimationFrom->PositionKeys.size())
|
|
if (AllJoints[i]->UseAnimationFrom->PositionKeys.getLast().frame > EndFrame)
|
|
EndFrame=AllJoints[i]->UseAnimationFrom->PositionKeys.getLast().frame;
|
|
|
|
if (AllJoints[i]->UseAnimationFrom->ScaleKeys.size())
|
|
if (AllJoints[i]->UseAnimationFrom->ScaleKeys.getLast().frame > EndFrame)
|
|
EndFrame=AllJoints[i]->UseAnimationFrom->ScaleKeys.getLast().frame;
|
|
|
|
if (AllJoints[i]->UseAnimationFrom->RotationKeys.size())
|
|
if (AllJoints[i]->UseAnimationFrom->RotationKeys.getLast().frame > EndFrame)
|
|
EndFrame=AllJoints[i]->UseAnimationFrom->RotationKeys.getLast().frame;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (HasAnimation && !PreparedForSkinning)
|
|
{
|
|
PreparedForSkinning=true;
|
|
|
|
//check for bugs:
|
|
for(i=0; i < AllJoints.size(); ++i)
|
|
{
|
|
SJoint *joint = AllJoints[i];
|
|
for (j=0; j<joint->Weights.size(); ++j)
|
|
{
|
|
const u16 buffer_id=joint->Weights[j].buffer_id;
|
|
const u32 vertex_id=joint->Weights[j].vertex_id;
|
|
|
|
//check for invalid ids
|
|
if (buffer_id>=LocalBuffers.size())
|
|
{
|
|
os::Printer::log("Skinned Mesh: Weight buffer id too large", ELL_WARNING);
|
|
joint->Weights[j].buffer_id = joint->Weights[j].vertex_id =0;
|
|
}
|
|
else if (vertex_id>=LocalBuffers[buffer_id]->getVertexCount())
|
|
{
|
|
os::Printer::log("Skinned Mesh: Weight vertex id too large", ELL_WARNING);
|
|
joint->Weights[j].buffer_id = joint->Weights[j].vertex_id =0;
|
|
}
|
|
}
|
|
}
|
|
|
|
//An array used in skinning
|
|
|
|
for (i=0; i<Vertices_Moved.size(); ++i)
|
|
for (j=0; j<Vertices_Moved[i].size(); ++j)
|
|
Vertices_Moved[i][j] = false;
|
|
|
|
// For skinning: cache weight values for speed
|
|
|
|
for (i=0; i<AllJoints.size(); ++i)
|
|
{
|
|
SJoint *joint = AllJoints[i];
|
|
for (j=0; j<joint->Weights.size(); ++j)
|
|
{
|
|
const u16 buffer_id=joint->Weights[j].buffer_id;
|
|
const u32 vertex_id=joint->Weights[j].vertex_id;
|
|
|
|
joint->Weights[j].Moved = &Vertices_Moved[buffer_id] [vertex_id];
|
|
joint->Weights[j].StaticPos = LocalBuffers[buffer_id]->getVertex(vertex_id)->Pos;
|
|
joint->Weights[j].StaticNormal = LocalBuffers[buffer_id]->getVertex(vertex_id)->Normal;
|
|
|
|
//joint->Weights[j]._Pos=&Buffers[buffer_id]->getVertex(vertex_id)->Pos;
|
|
}
|
|
}
|
|
|
|
// normalize weights
|
|
normalizeWeights();
|
|
}
|
|
SkinnedLastFrame=false;
|
|
}
|
|
|
|
//! called by loader after populating with mesh and bone data
|
|
void CSkinnedMesh::finalize()
|
|
{
|
|
os::Printer::log("Skinned Mesh - finalize", ELL_DEBUG);
|
|
u32 i;
|
|
|
|
// Make sure we recalc the next frame
|
|
LastAnimatedFrame=-1;
|
|
SkinnedLastFrame=false;
|
|
|
|
//calculate bounding box
|
|
for (i=0; i<LocalBuffers.size(); ++i)
|
|
{
|
|
LocalBuffers[i]->recalculateBoundingBox();
|
|
}
|
|
|
|
if (AllJoints.size() || RootJoints.size())
|
|
{
|
|
// populate AllJoints or RootJoints, depending on which is empty
|
|
if (!RootJoints.size())
|
|
{
|
|
|
|
for(u32 CheckingIdx=0; CheckingIdx < AllJoints.size(); ++CheckingIdx)
|
|
{
|
|
|
|
bool foundParent=false;
|
|
for(i=0; i < AllJoints.size(); ++i)
|
|
{
|
|
for(u32 n=0; n < AllJoints[i]->Children.size(); ++n)
|
|
{
|
|
if (AllJoints[i]->Children[n] == AllJoints[CheckingIdx])
|
|
foundParent=true;
|
|
}
|
|
}
|
|
|
|
if (!foundParent)
|
|
RootJoints.push_back(AllJoints[CheckingIdx]);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
AllJoints=RootJoints;
|
|
}
|
|
}
|
|
|
|
for(i=0; i < AllJoints.size(); ++i)
|
|
{
|
|
AllJoints[i]->UseAnimationFrom=AllJoints[i];
|
|
}
|
|
|
|
//Set array sizes...
|
|
|
|
for (i=0; i<LocalBuffers.size(); ++i)
|
|
{
|
|
Vertices_Moved.push_back( core::array<char>() );
|
|
Vertices_Moved[i].set_used(LocalBuffers[i]->getVertexCount());
|
|
}
|
|
|
|
checkForAnimation();
|
|
|
|
if (HasAnimation)
|
|
{
|
|
irr::u32 redundantPosKeys = 0;
|
|
irr::u32 unorderedPosKeys = 0;
|
|
irr::u32 redundantScaleKeys = 0;
|
|
irr::u32 unorderedScaleKeys = 0;
|
|
irr::u32 redundantRotationKeys = 0;
|
|
irr::u32 unorderedRotationKeys = 0;
|
|
|
|
//--- optimize and check keyframes ---
|
|
for(i=0;i<AllJoints.size();++i)
|
|
{
|
|
core::array<SPositionKey> &PositionKeys =AllJoints[i]->PositionKeys;
|
|
core::array<SScaleKey> &ScaleKeys = AllJoints[i]->ScaleKeys;
|
|
core::array<SRotationKey> &RotationKeys = AllJoints[i]->RotationKeys;
|
|
|
|
// redundant = identical middle keys - we only need the first and last frame
|
|
// unordered = frames which are out of order - we can't handle those
|
|
redundantPosKeys += dropMiddleKeys<SPositionKey>(PositionKeys, identicalPos);
|
|
unorderedPosKeys += dropBadKeys<SPositionKey>(PositionKeys);
|
|
redundantScaleKeys += dropMiddleKeys<SScaleKey>(ScaleKeys, identicalScale);
|
|
unorderedScaleKeys += dropBadKeys<SScaleKey>(ScaleKeys);
|
|
redundantRotationKeys += dropMiddleKeys<SRotationKey>(RotationKeys, identicalRotation);
|
|
unorderedRotationKeys += dropBadKeys<SRotationKey>(RotationKeys);
|
|
|
|
//Fill empty keyframe areas
|
|
if (PositionKeys.size())
|
|
{
|
|
SPositionKey *Key;
|
|
Key=&PositionKeys[0];//getFirst
|
|
if (Key->frame!=0)
|
|
{
|
|
PositionKeys.push_front(*Key);
|
|
Key=&PositionKeys[0];//getFirst
|
|
Key->frame=0;
|
|
}
|
|
|
|
Key=&PositionKeys.getLast();
|
|
if (Key->frame!=EndFrame)
|
|
{
|
|
PositionKeys.push_back(*Key);
|
|
Key=&PositionKeys.getLast();
|
|
Key->frame=EndFrame;
|
|
}
|
|
}
|
|
|
|
if (ScaleKeys.size())
|
|
{
|
|
SScaleKey *Key;
|
|
Key=&ScaleKeys[0];//getFirst
|
|
if (Key->frame!=0)
|
|
{
|
|
ScaleKeys.push_front(*Key);
|
|
Key=&ScaleKeys[0];//getFirst
|
|
Key->frame=0;
|
|
}
|
|
|
|
Key=&ScaleKeys.getLast();
|
|
if (Key->frame!=EndFrame)
|
|
{
|
|
ScaleKeys.push_back(*Key);
|
|
Key=&ScaleKeys.getLast();
|
|
Key->frame=EndFrame;
|
|
}
|
|
}
|
|
|
|
if (RotationKeys.size())
|
|
{
|
|
SRotationKey *Key;
|
|
Key=&RotationKeys[0];//getFirst
|
|
if (Key->frame!=0)
|
|
{
|
|
RotationKeys.push_front(*Key);
|
|
Key=&RotationKeys[0];//getFirst
|
|
Key->frame=0;
|
|
}
|
|
|
|
Key=&RotationKeys.getLast();
|
|
if (Key->frame!=EndFrame)
|
|
{
|
|
RotationKeys.push_back(*Key);
|
|
Key=&RotationKeys.getLast();
|
|
Key->frame=EndFrame;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ( redundantPosKeys > 0 )
|
|
{
|
|
os::Printer::log("Skinned Mesh - redundant position frames kicked", core::stringc(redundantPosKeys).c_str(), ELL_DEBUG);
|
|
}
|
|
if ( unorderedPosKeys > 0 )
|
|
{
|
|
irr::os::Printer::log("Skinned Mesh - unsorted position frames kicked", irr::core::stringc(unorderedPosKeys).c_str(), irr::ELL_DEBUG);
|
|
}
|
|
if ( redundantScaleKeys > 0 )
|
|
{
|
|
os::Printer::log("Skinned Mesh - redundant scale frames kicked", core::stringc(redundantScaleKeys).c_str(), ELL_DEBUG);
|
|
}
|
|
if ( unorderedScaleKeys > 0 )
|
|
{
|
|
irr::os::Printer::log("Skinned Mesh - unsorted scale frames kicked", irr::core::stringc(unorderedScaleKeys).c_str(), irr::ELL_DEBUG);
|
|
}
|
|
if ( redundantRotationKeys > 0 )
|
|
{
|
|
os::Printer::log("Skinned Mesh - redundant rotation frames kicked", core::stringc(redundantRotationKeys).c_str(), ELL_DEBUG);
|
|
}
|
|
if ( unorderedRotationKeys > 0 )
|
|
{
|
|
irr::os::Printer::log("Skinned Mesh - unsorted rotation frames kicked", irr::core::stringc(unorderedRotationKeys).c_str(), irr::ELL_DEBUG);
|
|
}
|
|
}
|
|
|
|
//Needed for animation and skinning...
|
|
|
|
calculateGlobalMatrices(0,0);
|
|
|
|
//animateMesh(0, 1);
|
|
//buildAllLocalAnimatedMatrices();
|
|
//buildAllGlobalAnimatedMatrices();
|
|
|
|
//rigid animation for non animated meshes
|
|
for (i=0; i<AllJoints.size(); ++i)
|
|
{
|
|
for (u32 j=0; j<AllJoints[i]->AttachedMeshes.size(); ++j)
|
|
{
|
|
SSkinMeshBuffer* Buffer=(*SkinningBuffers)[ AllJoints[i]->AttachedMeshes[j] ];
|
|
Buffer->Transformation=AllJoints[i]->GlobalAnimatedMatrix;
|
|
}
|
|
}
|
|
|
|
//calculate bounding box
|
|
if (LocalBuffers.empty())
|
|
BoundingBox.reset(0,0,0);
|
|
else
|
|
{
|
|
irr::core::aabbox3df bb(LocalBuffers[0]->BoundingBox);
|
|
LocalBuffers[0]->Transformation.transformBoxEx(bb);
|
|
BoundingBox.reset(bb);
|
|
|
|
for (u32 j=1; j<LocalBuffers.size(); ++j)
|
|
{
|
|
bb = LocalBuffers[j]->BoundingBox;
|
|
LocalBuffers[j]->Transformation.transformBoxEx(bb);
|
|
|
|
BoundingBox.addInternalBox(bb);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void CSkinnedMesh::updateBoundingBox(void)
|
|
{
|
|
if(!SkinningBuffers)
|
|
return;
|
|
|
|
core::array<SSkinMeshBuffer*> & buffer = *SkinningBuffers;
|
|
BoundingBox.reset(0,0,0);
|
|
|
|
if (!buffer.empty())
|
|
{
|
|
for (u32 j=0; j<buffer.size(); ++j)
|
|
{
|
|
buffer[j]->recalculateBoundingBox();
|
|
core::aabbox3df bb = buffer[j]->BoundingBox;
|
|
buffer[j]->Transformation.transformBoxEx(bb);
|
|
|
|
BoundingBox.addInternalBox(bb);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
scene::SSkinMeshBuffer *CSkinnedMesh::addMeshBuffer()
|
|
{
|
|
scene::SSkinMeshBuffer *buffer=new scene::SSkinMeshBuffer();
|
|
LocalBuffers.push_back(buffer);
|
|
return buffer;
|
|
}
|
|
|
|
|
|
CSkinnedMesh::SJoint *CSkinnedMesh::addJoint(SJoint *parent)
|
|
{
|
|
SJoint *joint=new SJoint;
|
|
|
|
AllJoints.push_back(joint);
|
|
if (!parent)
|
|
{
|
|
//Add root joints to array in finalize()
|
|
}
|
|
else
|
|
{
|
|
//Set parent (Be careful of the mesh loader also setting the parent)
|
|
parent->Children.push_back(joint);
|
|
}
|
|
|
|
return joint;
|
|
}
|
|
|
|
|
|
CSkinnedMesh::SPositionKey *CSkinnedMesh::addPositionKey(SJoint *joint)
|
|
{
|
|
if (!joint)
|
|
return 0;
|
|
|
|
joint->PositionKeys.push_back(SPositionKey());
|
|
return &joint->PositionKeys.getLast();
|
|
}
|
|
|
|
|
|
CSkinnedMesh::SScaleKey *CSkinnedMesh::addScaleKey(SJoint *joint)
|
|
{
|
|
if (!joint)
|
|
return 0;
|
|
|
|
joint->ScaleKeys.push_back(SScaleKey());
|
|
return &joint->ScaleKeys.getLast();
|
|
}
|
|
|
|
|
|
CSkinnedMesh::SRotationKey *CSkinnedMesh::addRotationKey(SJoint *joint)
|
|
{
|
|
if (!joint)
|
|
return 0;
|
|
|
|
joint->RotationKeys.push_back(SRotationKey());
|
|
return &joint->RotationKeys.getLast();
|
|
}
|
|
|
|
|
|
CSkinnedMesh::SWeight *CSkinnedMesh::addWeight(SJoint *joint)
|
|
{
|
|
if (!joint)
|
|
return 0;
|
|
|
|
joint->Weights.push_back(SWeight());
|
|
return &joint->Weights.getLast();
|
|
}
|
|
|
|
|
|
bool CSkinnedMesh::isStatic()
|
|
{
|
|
return !HasAnimation;
|
|
}
|
|
|
|
|
|
void CSkinnedMesh::normalizeWeights()
|
|
{
|
|
// note: unsure if weights ids are going to be used.
|
|
|
|
// Normalise the weights on bones....
|
|
|
|
u32 i,j;
|
|
core::array< core::array<f32> > verticesTotalWeight;
|
|
|
|
verticesTotalWeight.reallocate(LocalBuffers.size());
|
|
for (i=0; i<LocalBuffers.size(); ++i)
|
|
{
|
|
verticesTotalWeight.push_back(core::array<f32>());
|
|
verticesTotalWeight[i].set_used(LocalBuffers[i]->getVertexCount());
|
|
}
|
|
|
|
for (i=0; i<verticesTotalWeight.size(); ++i)
|
|
for (j=0; j<verticesTotalWeight[i].size(); ++j)
|
|
verticesTotalWeight[i][j] = 0;
|
|
|
|
for (i=0; i<AllJoints.size(); ++i)
|
|
{
|
|
SJoint *joint=AllJoints[i];
|
|
for (j=0; j<joint->Weights.size(); ++j)
|
|
{
|
|
if (joint->Weights[j].strength<=0)//Check for invalid weights
|
|
{
|
|
joint->Weights.erase(j);
|
|
--j;
|
|
}
|
|
else
|
|
{
|
|
verticesTotalWeight[joint->Weights[j].buffer_id] [joint->Weights[j].vertex_id] += joint->Weights[j].strength;
|
|
}
|
|
}
|
|
}
|
|
|
|
for (i=0; i<AllJoints.size(); ++i)
|
|
{
|
|
SJoint *joint=AllJoints[i];
|
|
for (j=0; j< joint->Weights.size(); ++j)
|
|
{
|
|
const f32 total = verticesTotalWeight[joint->Weights[j].buffer_id] [joint->Weights[j].vertex_id];
|
|
if (total != 0 && total != 1)
|
|
joint->Weights[j].strength /= total;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void CSkinnedMesh::recoverJointsFromMesh(core::array<IBoneSceneNode*> &jointChildSceneNodes)
|
|
{
|
|
for (u32 i=0; i<AllJoints.size(); ++i)
|
|
{
|
|
IBoneSceneNode* node=jointChildSceneNodes[i];
|
|
SJoint *joint=AllJoints[i];
|
|
node->setPosition(joint->LocalAnimatedMatrix.getTranslation());
|
|
node->setRotation(joint->LocalAnimatedMatrix.getRotationDegrees());
|
|
node->setScale(joint->LocalAnimatedMatrix.getScale());
|
|
|
|
node->positionHint=joint->positionHint;
|
|
node->scaleHint=joint->scaleHint;
|
|
node->rotationHint=joint->rotationHint;
|
|
|
|
node->updateAbsolutePosition();
|
|
}
|
|
}
|
|
|
|
|
|
void CSkinnedMesh::transferJointsToMesh(const core::array<IBoneSceneNode*> &jointChildSceneNodes)
|
|
{
|
|
for (u32 i=0; i<AllJoints.size(); ++i)
|
|
{
|
|
const IBoneSceneNode* const node=jointChildSceneNodes[i];
|
|
SJoint *joint=AllJoints[i];
|
|
|
|
joint->LocalAnimatedMatrix.setRotationDegrees(node->getRotation());
|
|
joint->LocalAnimatedMatrix.setTranslation(node->getPosition());
|
|
joint->LocalAnimatedMatrix *= core::matrix4().setScale(node->getScale());
|
|
|
|
joint->positionHint=node->positionHint;
|
|
joint->scaleHint=node->scaleHint;
|
|
joint->rotationHint=node->rotationHint;
|
|
|
|
joint->GlobalSkinningSpace=(node->getSkinningSpace()==EBSS_GLOBAL);
|
|
}
|
|
// Make sure we recalc the next frame
|
|
LastAnimatedFrame=-1;
|
|
SkinnedLastFrame=false;
|
|
}
|
|
|
|
|
|
void CSkinnedMesh::transferOnlyJointsHintsToMesh(const core::array<IBoneSceneNode*> &jointChildSceneNodes)
|
|
{
|
|
for (u32 i=0; i<AllJoints.size(); ++i)
|
|
{
|
|
const IBoneSceneNode* const node=jointChildSceneNodes[i];
|
|
SJoint *joint=AllJoints[i];
|
|
|
|
joint->positionHint=node->positionHint;
|
|
joint->scaleHint=node->scaleHint;
|
|
joint->rotationHint=node->rotationHint;
|
|
}
|
|
SkinnedLastFrame=false;
|
|
}
|
|
|
|
|
|
void CSkinnedMesh::addJoints(core::array<IBoneSceneNode*> &jointChildSceneNodes,
|
|
IAnimatedMeshSceneNode* node, ISceneManager* smgr)
|
|
{
|
|
//Create new joints
|
|
for (u32 i=0; i<AllJoints.size(); ++i)
|
|
{
|
|
jointChildSceneNodes.push_back(new CBoneSceneNode(0, smgr, 0, i, AllJoints[i]->Name.c_str()));
|
|
}
|
|
|
|
//Match up parents
|
|
for (u32 i=0; i<jointChildSceneNodes.size(); ++i)
|
|
{
|
|
const SJoint* const joint=AllJoints[i]; //should be fine
|
|
|
|
s32 parentID=-1;
|
|
|
|
for (u32 j=0;(parentID==-1)&&(j<AllJoints.size());++j)
|
|
{
|
|
if (i!=j)
|
|
{
|
|
const SJoint* const parentTest=AllJoints[j];
|
|
for (u32 n=0; n<parentTest->Children.size(); ++n)
|
|
{
|
|
if (parentTest->Children[n]==joint)
|
|
{
|
|
parentID=j;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
IBoneSceneNode* bone=jointChildSceneNodes[i];
|
|
if (parentID!=-1)
|
|
bone->setParent(jointChildSceneNodes[parentID]);
|
|
else
|
|
bone->setParent(node);
|
|
|
|
bone->drop();
|
|
}
|
|
SkinnedLastFrame=false;
|
|
}
|
|
|
|
|
|
void CSkinnedMesh::convertMeshToTangents()
|
|
{
|
|
// now calculate tangents
|
|
for (u32 b=0; b < LocalBuffers.size(); ++b)
|
|
{
|
|
if (LocalBuffers[b])
|
|
{
|
|
LocalBuffers[b]->convertToTangents();
|
|
|
|
const s32 idxCnt = LocalBuffers[b]->getIndexCount();
|
|
|
|
u16* idx = LocalBuffers[b]->getIndices();
|
|
video::S3DVertexTangents* v =
|
|
(video::S3DVertexTangents*)LocalBuffers[b]->getVertices();
|
|
|
|
for (s32 i=0; i<idxCnt; i+=3)
|
|
{
|
|
calculateTangents(
|
|
v[idx[i+0]].Normal,
|
|
v[idx[i+0]].Tangent,
|
|
v[idx[i+0]].Binormal,
|
|
v[idx[i+0]].Pos,
|
|
v[idx[i+1]].Pos,
|
|
v[idx[i+2]].Pos,
|
|
v[idx[i+0]].TCoords,
|
|
v[idx[i+1]].TCoords,
|
|
v[idx[i+2]].TCoords);
|
|
|
|
calculateTangents(
|
|
v[idx[i+1]].Normal,
|
|
v[idx[i+1]].Tangent,
|
|
v[idx[i+1]].Binormal,
|
|
v[idx[i+1]].Pos,
|
|
v[idx[i+2]].Pos,
|
|
v[idx[i+0]].Pos,
|
|
v[idx[i+1]].TCoords,
|
|
v[idx[i+2]].TCoords,
|
|
v[idx[i+0]].TCoords);
|
|
|
|
calculateTangents(
|
|
v[idx[i+2]].Normal,
|
|
v[idx[i+2]].Tangent,
|
|
v[idx[i+2]].Binormal,
|
|
v[idx[i+2]].Pos,
|
|
v[idx[i+0]].Pos,
|
|
v[idx[i+1]].Pos,
|
|
v[idx[i+2]].TCoords,
|
|
v[idx[i+0]].TCoords,
|
|
v[idx[i+1]].TCoords);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void CSkinnedMesh::calculateTangents(
|
|
core::vector3df& normal,
|
|
core::vector3df& tangent,
|
|
core::vector3df& binormal,
|
|
const core::vector3df& vt1, const core::vector3df& vt2, const core::vector3df& vt3, // vertices
|
|
const core::vector2df& tc1, const core::vector2df& tc2, const core::vector2df& tc3) // texture coords
|
|
{
|
|
core::vector3df v1 = vt1 - vt2;
|
|
core::vector3df v2 = vt3 - vt1;
|
|
normal = v2.crossProduct(v1);
|
|
normal.normalize();
|
|
|
|
// binormal
|
|
|
|
f32 deltaX1 = tc1.X - tc2.X;
|
|
f32 deltaX2 = tc3.X - tc1.X;
|
|
binormal = (v1 * deltaX2) - (v2 * deltaX1);
|
|
binormal.normalize();
|
|
|
|
// tangent
|
|
|
|
f32 deltaY1 = tc1.Y - tc2.Y;
|
|
f32 deltaY2 = tc3.Y - tc1.Y;
|
|
tangent = (v1 * deltaY2) - (v2 * deltaY1);
|
|
tangent.normalize();
|
|
|
|
// adjust
|
|
|
|
core::vector3df txb = tangent.crossProduct(binormal);
|
|
if (txb.dotProduct(normal) < 0.0f)
|
|
{
|
|
tangent *= -1.0f;
|
|
binormal *= -1.0f;
|
|
}
|
|
}
|
|
|
|
|
|
} // end namespace scene
|
|
} // end namespace irr
|