581 lines
16 KiB
C++
581 lines
16 KiB
C++
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include "std3d.h"
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#include "nel/3d/scene_group.h"
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#include "nel/3d/seg_remanence.h"
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#include "nel/3d/seg_remanence_shape.h"
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#include "nel/3d/vertex_buffer.h"
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#include "nel/3d/driver.h"
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#include "nel/3d/scene.h"
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#include "nel/3d/anim_detail_trav.h"
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#include "nel/3d/skeleton_model.h"
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#include "nel/3d/dru.h"
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namespace NL3D
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{
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CVertexBuffer CSegRemanence::_VB;
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CIndexBuffer CSegRemanence::_IB;
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/// TODO : put this in a header (same code in ps_ribbon_base.cpp ..)
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static inline void BuildHermiteVector(const NLMISC::CVector &P0,
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const NLMISC::CVector &P1,
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const NLMISC::CVector &T0,
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const NLMISC::CVector &T1,
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NLMISC::CVector &dest,
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float lambda
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)
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{
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const float lambda2 = lambda * lambda;
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const float lambda3 = lambda2 * lambda;
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const float h1 = 2 * lambda3 - 3 * lambda2 + 1;
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const float h2 = - 2 * lambda3 + 3 * lambda2;
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const float h3 = lambda3 - 2 * lambda2 + lambda;
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const float h4 = lambda3 - lambda2;
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/// just avoid some ctor calls here...
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dest.set (h1 * P0.x + h2 * P1.x + h3 * T0.x + h4 * T1.x,
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h1 * P0.y + h2 * P1.y + h3 * T0.y + h4 * T1.y,
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h1 * P0.z + h2 * P1.z + h3 * T0.z + h4 * T1.z);
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}
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/// for test
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static inline void BuildLinearVector(const NLMISC::CVector &P0,
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const NLMISC::CVector &P1,
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NLMISC::CVector &dest,
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float lambda,
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float oneMinusLambda
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)
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{
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NL_PS_FUNC(BuildLinearVector)
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dest.set (lambda * P1.x + oneMinusLambda * P0.x,
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lambda * P1.y + oneMinusLambda * P0.y,
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lambda * P1.z + oneMinusLambda * P0.z);
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}
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//===============================================================
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CSegRemanence::CSegRemanence() : _NumSlices(0),
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_Started(false),
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_Stopping(false),
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_Restarted(false),
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_UnrollRatio(0),
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_SliceTime(0.05f),
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_AniMat(NULL),
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_LastSampleFrame(0)
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{
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IAnimatable::resize(AnimValueLast);
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// RenderFilter: We are a SegRemanece
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_RenderFilterType= UScene::FilterSegRemanence;
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}
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//===============================================================
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CSegRemanence::~CSegRemanence()
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{
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delete _AniMat;
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// Auto detach me from skeleton. Must do it here, not in ~CTransform().
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if(_FatherSkeletonModel)
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{
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// detach me from the skeleton.
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// hrc and clip hierarchy is modified.
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_FatherSkeletonModel->detachSkeletonSon(this);
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nlassert(_FatherSkeletonModel==NULL);
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}
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}
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//===============================================================
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CSegRemanence::CSegRemanence(CSegRemanence &other) : CTransformShape(other), _AniMat(NULL)
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{
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copyFromOther(other);
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}
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//===============================================================
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CSegRemanence &CSegRemanence::operator = (CSegRemanence &other)
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{
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if (this != &other)
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{
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(CTransformShape &) *this = (CTransformShape &) other; // copy base
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copyFromOther(other);
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}
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return *this;
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}
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//===============================================================
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void CSegRemanence::copyFromOther(CSegRemanence &other)
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{
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if (this == &other) return;
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CAnimatedMaterial *otherMat = other._AniMat != NULL ? new CAnimatedMaterial(*other._AniMat)
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: NULL;
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delete _AniMat;
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_AniMat = otherMat;
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std::copy(other._Samples, other._Samples + 4, _Samples);
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_HeadSample = other._HeadSample;
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_HeadProgress = other._HeadProgress;
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//
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_Pos = other._Pos; // sampled positions at each extremities of segment
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_NumSlices = other._NumSlices;
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_NumCorners = other._NumCorners;
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_Started = other._Started;
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_Stopping = other._Stopping;
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_Restarted = other._Restarted;
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_StartDate = other._StartDate;
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_CurrDate = other._CurrDate;
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_UnrollRatio = other._UnrollRatio;
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_SliceTime = other._SliceTime;
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_LastSampleFrame = other._LastSampleFrame;
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}
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//===============================================================
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void CSegRemanence::registerBasic()
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{
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CScene::registerModel(SegRemanenceShapeId, TransformShapeId, CSegRemanence::creator);
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}
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// helper functions to fill vb
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static inline void vbPush(uint8 *&dest, const CVector &v)
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{
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*(CVector *) dest = v;
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dest +=sizeof(CVector);
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}
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static inline void vbPush(uint8 *&dest, float f)
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{
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*(float *) dest = f;
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dest +=sizeof(float);
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}
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//===============================================================
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void CSegRemanence::render(IDriver *drv, CMaterial &mat)
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{
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nlassert(_NumSlices >= 2);
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nlassert(_NumCorners >= 2);
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CSegRemanenceShape *srs = NLMISC::safe_cast<CSegRemanenceShape *>((IShape *) Shape);
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// resize before locking because of volatile vb
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_VB.setPreferredMemory(CVertexBuffer::AGPVolatile, false);
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_VB.setVertexFormat(CVertexBuffer::PositionFlag|CVertexBuffer::TexCoord0Flag);
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_VB.setNumVertices(_NumCorners * (_NumSlices + 1));
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const uint vertexSize = _VB.getVertexSize();
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// Fill Vertex Buffer part
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{
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CVertexBufferReadWrite vba;
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_VB.lock (vba);
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uint8 *datas = (uint8 *) vba.getVertexCoordPointer();
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const uint8 *endDatas = datas + vertexSize *_VB.getNumVertices();
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//
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const CVector *src = &_Pos[0];
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float deltaV = 1.f / (_NumCorners - 1);
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// first slice
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for(uint k = 0; k < _NumCorners; ++k)
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{
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vbPush(datas, *src++);
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vbPush(datas, 0.f); // U
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vbPush(datas, k * deltaV); // V
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nlassert(datas <= endDatas);
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}
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float deltaU = 1.f / _NumSlices;
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float baseU = _HeadProgress * deltaU;
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for (uint l = 1; l < _NumSlices; ++l)
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{
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float currU = baseU + (l - 1) * deltaU;
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for(uint k = 0; k < _NumCorners; ++k)
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{
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vbPush(datas, *src++);
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vbPush(datas, currU); // U
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vbPush(datas, k * deltaV); // V
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nlassert(datas <= endDatas);
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}
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}
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// last slice
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const CVector *prevRow = src - _NumCorners;
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for(uint k = 0; k < _NumCorners; ++k)
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{
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vbPush(datas, (1.f - _HeadProgress) * *src + _HeadProgress * *prevRow);
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++ src;
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++ prevRow;
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vbPush(datas, 1.f); // U
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vbPush(datas, k * deltaV); // V
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nlassert(datas <= endDatas);
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}
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}
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//
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uint numQuads = (_NumCorners - 1) * _NumSlices;
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// Fill Index Buffer part
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{
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_IB.setPreferredMemory(CIndexBuffer::RAMVolatile, false);
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_IB.setFormat(CIndexBuffer::Indices16);
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_IB.setNumIndexes(numQuads * 6);
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//
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CIndexBufferReadWrite iba;
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_IB.lock(iba);
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uint16 *indexPtr = (uint16 *) iba.getPtr();
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for (uint l = 0; l < _NumSlices; ++l)
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{
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for(uint k = 0; k < (_NumCorners - 1); ++k)
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{
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*indexPtr++ = l * _NumCorners + k;
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*indexPtr++ = l * _NumCorners + k + 1;
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*indexPtr++ = (l + 1) * _NumCorners + k;
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//
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*indexPtr++ = l * _NumCorners + k + 1;
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*indexPtr++ = (l + 1) * _NumCorners + k + 1;
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*indexPtr++ = (l + 1) * _NumCorners + k;
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}
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}
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nlassert(indexPtr == (uint16 *) iba.getPtr() + _IB.getNumIndexes());
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}
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// roll / unroll using texture matrix
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CMatrix texMat;
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texMat.setPos(NLMISC::CVector(1.f - _UnrollRatio, 0, 0));
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if (mat.getTexture(0) != NULL)
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mat.setUserTexMat(0, texMat);
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drv->setupModelMatrix(CMatrix::Identity);
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drv->activeVertexBuffer(_VB);
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drv->activeIndexBuffer(_IB);
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drv->renderTriangles(mat, 0, numQuads * 2);
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// draw wire frame version if needed
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#ifdef DEBUG_SEG_REMANENCE_DISPLAY
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static CMaterial unlitWF;
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unlitWF.initUnlit();
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unlitWF.setDoubleSided(true);
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IDriver::TPolygonMode oldPM = drv->getPolygonMode();
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drv->setPolygonMode(IDriver::Line);
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drv->renderTriangles(unlitWF, 0, numQuads * 2);
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drv->setPolygonMode(oldPM);
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#endif
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CScene *scene = getOwnerScene();
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// change unroll ratio
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if (!_Stopping)
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{
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if (_UnrollRatio != 1.f)
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_UnrollRatio = std::min(1.f, _UnrollRatio + scene->getEllapsedTime() / (srs->getNumSlices() * _SliceTime));
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}
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else
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{
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_UnrollRatio = std::max(0.f, _UnrollRatio - srs->getRollupRatio() * scene->getEllapsedTime() / (srs->getNumSlices() * _SliceTime));
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if (_UnrollRatio == 0.f)
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{
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_Stopping = false;
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_Started = false;
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}
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}
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}
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//===============================================================
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void CSegRemanence::setupFromShape()
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{
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CSegRemanenceShape *srs = NLMISC::safe_cast<CSegRemanenceShape *>((IShape *) Shape);
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if (srs->getNumCorners() != _NumCorners || srs->getNumSlices() != _NumSlices)
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{
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_NumCorners = srs->getNumCorners();
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_NumSlices = srs->getNumSlices();
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_Pos.resize(_NumCorners * (_NumSlices + 1));
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for(uint k = 0; k < 4; ++k)
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{
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_Samples[k].Pos.resize(_NumSlices + 1);
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}
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}
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updateOpacityFromShape();
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}
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//===============================================================
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void CSegRemanence::samplePos(double date)
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{
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uint newHeadSample = (uint) floor(date / _SliceTime);
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double sliceElapsedTime = date - (newHeadSample * _SliceTime);
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_HeadProgress = (float) (sliceElapsedTime / _SliceTime);
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NLMISC::clamp(_HeadProgress, 0.f, 1.f);
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uint offset = newHeadSample - _HeadSample; // number of samples to remove
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if(!_Restarted)
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{
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if (offset > 0)
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{
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offset = std::min(offset, (uint) _NumSlices);
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_Samples[0].swap(_Samples[1]);
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_Samples[1].swap(_Samples[2]);
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_Samples[2].swap(_Samples[3]);
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if (offset < _NumSlices + 1)
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{
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// make room for new position
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memmove(&_Pos[_NumCorners * offset], &_Pos[0], sizeof(_Pos[0]) * _NumCorners * (_NumSlices + 1 - offset));
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}
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// else, too much time ellapsed, are sampled pos are invalidated
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_HeadSample = newHeadSample;
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}
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}
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_Samples[3].Date = date;
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//
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CSegRemanenceShape *srs = NLMISC::safe_cast<CSegRemanenceShape *>((IShape *) Shape);
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// update positions for sample head
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for(uint k = 0; k <_NumCorners;++k)
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{
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_Samples[3].Pos[k] = getWorldMatrix() * srs->getCorner(k);
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}
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if (_Restarted)
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{
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_HeadSample = newHeadSample;
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_Samples[0] = _Samples[1] = _Samples[2] = _Samples[3];
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CVector *head = &_Pos[0];
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for(uint l = 0; l < _NumSlices + 1; ++l)
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{
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for(uint k = 0; k < _NumCorners;++k)
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{
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*head++ = _Samples[0].Pos[k];
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}
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}
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_Restarted = false;
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return;
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}
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// update head pos
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CVector *head = &_Pos[0];
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CVector *endPtr = head + _NumCorners * (_NumSlices + 1);
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for(uint k = 0; k < _NumCorners;++k)
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{
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*head++ = _Samples[3].Pos[k];
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}
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// update current positions from sample pos
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double currDate = _Samples[3].Date - sliceElapsedTime;
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// interpolate linearly for 2 firstsamples
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while (currDate > _Samples[2].Date && head != endPtr)
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{
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double dt = _Samples[3].Date - _Samples[2].Date;
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float lambda = (float) (dt != 0 ? (currDate - _Samples[2].Date) / dt : 0);
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for(uint k = 0; k < _NumCorners;++k)
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{
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*head++ = lambda * (_Samples[3].Pos[k] - _Samples[2].Pos[k]) + _Samples[2].Pos[k];
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}
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currDate -= _SliceTime;
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}
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if (head != endPtr)
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{
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// interpolate smoothly for remaining samples
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while (currDate >= _Samples[1].Date)
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{
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double dt = _Samples[2].Date - _Samples[1].Date;
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if (dt == 0)
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{
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for(uint k = 0; k < _NumCorners;++k)
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{
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*head++ = _Samples[2].Pos[k];
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}
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}
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else
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{
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double lambda = (currDate - _Samples[1].Date) / dt;
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CVector T0, T1;
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for(uint k = 0; k < _NumCorners;++k)
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{
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if (_Samples[2].Date != _Samples[0].Date)
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{
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T0 = (float) dt * (_Samples[2].Pos[k] - _Samples[0].Pos[k]) / (float) (_Samples[2].Date - _Samples[0].Date);
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}
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else
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{
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T0= NLMISC::CVector::Null;
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}
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if (_Samples[3].Date != _Samples[1].Date)
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{
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T1 = (float) dt * (_Samples[3].Pos[k] - _Samples[1].Pos[k]) / (float) (_Samples[3].Date - _Samples[1].Date);
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}
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else
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{
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T1= NLMISC::CVector::Null;
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}
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BuildHermiteVector(_Samples[1].Pos[k], _Samples[2].Pos[k], T0, T1, *head, (float) lambda);
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++ head;
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}
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}
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if (head == endPtr) break;
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currDate -= _SliceTime;
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}
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/*
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// Version with no time correction
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while (currDate >= _Samples[1].Date)
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{
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float lambda = (float) ((currDate - _Samples[1].Date) / (_Samples[2].Date - _Samples[1].Date));
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for(uint k = 0; k < _NumCorners;++k)
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{
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CVector T1 = 0.5f * (_Samples[3].Pos[k] - _Samples[1].Pos[k]);
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CVector T0 = 0.5f * (_Samples[2].Pos[k] - _Samples[0].Pos[k]);
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BuildHermiteVector(_Samples[1].Pos[k], _Samples[2].Pos[k], T0, T1, *head, lambda);
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++ head;
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}
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if (head == endPtr) break;
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currDate -= _SliceTime;
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}
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*/
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}
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}
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//===============================================================
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void CSegRemanence::start()
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{
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if (_SliceTime == 0.f) return;
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if (_Started && !_Stopping) return;
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restart();
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}
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//===============================================================
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void CSegRemanence::restart()
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{
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CSegRemanenceShape *srs = NLMISC::safe_cast<CSegRemanenceShape *>((IShape *) Shape);
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if (!srs->getTextureShifting())
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{
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_UnrollRatio = 1.f;
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}
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else
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{
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if (!_Stopping)
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_UnrollRatio = 0.f;
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}
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_Started = _Restarted = true;
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_Stopping = false;
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}
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//===============================================================
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void CSegRemanence::stop()
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{
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_Stopping = true;
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}
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//===============================================================
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void CSegRemanence::stopNoUnroll()
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{
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_Started = _Restarted = _Stopping = false;
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}
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//===============================================================
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void CSegRemanence::updateOpacityFromShape()
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{
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CSegRemanenceShape *srs = NLMISC::safe_cast<CSegRemanenceShape *>((IShape *) Shape);
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bool transparent = srs->getMaterial().getBlend();
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setTransparency(transparent);
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setOpacity(!transparent);
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}
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//===============================================================
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void CSegRemanence::setAnimatedMaterial(CAnimatedMaterial *mat)
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{
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if (mat == _AniMat) return;
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delete _AniMat;
|
|
_AniMat = mat;
|
|
_AniMat->setFather(this, OwnerBit);
|
|
}
|
|
|
|
//===============================================================
|
|
void CSegRemanence::registerToChannelMixer(CChannelMixer *chanMixer, const std::string &prefix)
|
|
{
|
|
CTransformShape::registerToChannelMixer(chanMixer, prefix);
|
|
if (_AniMat)
|
|
{
|
|
_AniMat->registerToChannelMixer(chanMixer, prefix + _AniMat->getMaterialName() + ".") ;
|
|
}
|
|
}
|
|
|
|
//===============================================================
|
|
ITrack *CSegRemanence::getDefaultTrack (uint valueId)
|
|
{
|
|
CSegRemanenceShape *srs = NLMISC::safe_cast<CSegRemanenceShape *>((IShape *) Shape);
|
|
switch (valueId)
|
|
{
|
|
case PosValue: return srs->getDefaultPos();
|
|
case RotQuatValue: return srs->getDefaultRotQuat();
|
|
case ScaleValue: return srs->getDefaultScale();
|
|
}
|
|
return CTransformShape::getDefaultTrack(valueId);
|
|
return NULL;
|
|
|
|
}
|
|
|
|
//===============================================================
|
|
void CSegRemanence::traverseAnimDetail()
|
|
{
|
|
CTransformShape::traverseAnimDetail();
|
|
#ifndef DEBUG_SEG_REMANENCE_DISPLAY
|
|
if (isStarted())
|
|
#endif
|
|
{
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
|
|
CScene *scene = getOwnerScene();
|
|
if (scene->getNumRender() != (_LastSampleFrame + 1))
|
|
{
|
|
if (!isStopping())
|
|
{
|
|
// if wasn't visible at previous frame, must invalidate position
|
|
restart();
|
|
}
|
|
else
|
|
{
|
|
// ribbon started unrolling when it disapperaed from screen so simply remove it
|
|
stopNoUnroll();
|
|
}
|
|
}
|
|
_LastSampleFrame = scene->getNumRender();
|
|
setupFromShape();
|
|
samplePos(scene->getCurrentTime());
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
|
|
|
|
// test if animated material must be updated.
|
|
if(IAnimatable::isTouched(CSegRemanence::OwnerBit))
|
|
{
|
|
if (getAnimatedMaterial())
|
|
getAnimatedMaterial()->update();
|
|
clearAnimatedMatFlag();
|
|
}
|
|
}
|
|
}
|
|
|
|
//===============================================================
|
|
void CSegRemanence::setSliceTime(float duration)
|
|
{
|
|
if ( duration != _SliceTime )
|
|
{
|
|
stopNoUnroll();
|
|
_SliceTime = duration;
|
|
}
|
|
}
|
|
|
|
}
|