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CWE-ou-minkata/Sources/Tools/MaxConvert/plClusterUtil.cpp

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/*==LICENSE==*
CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011 Cyan Worlds, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
Additional permissions under GNU GPL version 3 section 7
If you modify this Program, or any covered work, by linking or
combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK,
NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent
JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK
(or a modified version of those libraries),
containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA,
PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG
JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the
licensors of this Program grant you additional
permission to convey the resulting work. Corresponding Source for a
non-source form of such a combination shall include the source code for
the parts of OpenSSL and IJG JPEG Library used as well as that of the covered
work.
You can contact Cyan Worlds, Inc. by email legal@cyan.com
or by snail mail at:
Cyan Worlds, Inc.
14617 N Newport Hwy
Mead, WA 99021
*==LICENSE==*/
#include "hsWindows.h"
#include <commdlg.h>
#include "Max.h"
#include "stdmat.h"
#include "bmmlib.h"
#include "iparamb2.h"
#include "meshdlib.h"
#include "hsTypes.h"
#include <vector>
#include <algorithm>
#include "../MaxMain/plMaxNode.h"
#include "../MaxComponent/plComponent.h"
#include "../MaxComponent/plLightGrpComponent.h"
#include "../MaxComponent/plSoftVolumeComponent.h"
#include "plClusterUtil.h"
#include "../plDrawable/plClusterGroup.h"
#include "../plDrawable/plCluster.h"
#include "../plDrawable/plSpanTemplate.h"
#include "../plDrawable/plSpanInstance.h"
#include "../plDrawable/plGeometrySpan.h"
#include "../plSurface/hsGMaterial.h"
#include "../plSurface/plLayer.h"
#include "../plScene/plVisRegion.h"
#include "../plGLight/plLightInfo.h"
#include "plMeshConverter.h"
#include "hsVertexShader.h"
#include "plLightMapGen.h"
#include "hsResMgr.h"
#include "../pnKeyedObject/plUoid.h"
#include "../pnMessage/plNodeRefMsg.h"
#include "plTweak.h"
plConst(int) kDefMinFaces(200);
plConst(int) kDefMaxFaces(1000);
plConst(hsScalar) kDefMinSize(50.f);
plClusterUtil::plClusterUtil()
: fGroup(nil),
fTemplNode(nil),
fTemplate(nil),
fMinFaces(kDefMinFaces),
fMaxFaces(kDefMaxFaces),
fMinSize(kDefMinSize),
fIdx(0)
{
}
plClusterUtil::~plClusterUtil()
{
}
plClusterGroup* plClusterUtil::CreateGroup(plMaxNode* templNode, const char* name)
{
plClusterGroup* retVal = TRACKED_NEW plClusterGroup;
char buff[256];
sprintf(buff, "%s_%s_%d", name, templNode->GetName(), fIdx++);
hsgResMgr::ResMgr()->NewKey(buff, retVal, templNode->GetLocation(), templNode->GetLoadMask());
plKey sceneNode = templNode->GetRoomKey();
retVal->SetSceneNode(sceneNode);
plNodeRefMsg* refMsg = TRACKED_NEW plNodeRefMsg(sceneNode, plRefMsg::kOnCreate, -1, plNodeRefMsg::kGeneric);
hsgResMgr::ResMgr()->AddViaNotify(retVal->GetKey(), refMsg, plRefFlags::kActiveRef);
return retVal;
}
plClusterGroup* plClusterUtil::SetupGroup(plClusterGroup *group, plMaxNode* templNode, plSpanTemplateB* templ)
{
fTemplNode = templNode;
fGroup = group;
fTemplate = templ;
fGroup->fTemplate = templ;
fGroup->ISendToSelf(plClusterGroup::kRefMaterial, templ->fMaterial);
fGroup->fRenderLevel = templ->fRenderLevel;
fMinInsts = fMinFaces / templ->NumTris();
fMaxInsts = fMaxFaces / templ->NumTris();
if( fMinInsts < 1 )
fMinInsts = 1;
if( fMaxInsts <= fMinInsts )
fMaxInsts = fMinInsts+1;
// STUB
// Finish setting up the group here (lights, visregions, LOD), extracting all info
// from the template node.
ISetupGroupFromTemplate(templNode);
return fGroup;
}
void plClusterUtil::ISetupGroupFromTemplate(plMaxNode* templ)
{
plLightGrpComponent* liGrp = plLightGrpComponent::GetComp(templ);
if( liGrp )
{
const hsTArray<plLightInfo*>& lights = liGrp->GetLightInfos();
int i;
for( i = 0; i < lights.GetCount(); i++ )
{
fGroup->ISendToSelf(plClusterGroup::kRefLight, lights[i]);
}
}
if( templ->HasFade() )
{
hsScalar maxDist = 0;
hsScalar minDist = 0;
Box3 fade = templ->GetFade();
const hsScalar kMaxMaxDist = 1.e10f;
if( fade.Min()[2] < 0 )
{
minDist = fade.Min()[0];
maxDist = kMaxMaxDist;
}
if( fade.Max()[2] > 0 )
maxDist = fade.Max()[0];
if( maxDist > minDist )
{
fGroup->fLOD.Set(minDist, maxDist);
}
}
hsTArray<plVisRegion*> regions;
plVisRegionComponent::CollectRegions(templ, regions);
plEffVisSetComponent::CollectRegions(templ, regions);
if( regions.GetCount() )
{
int i;
for( i = 0; i < regions.GetCount(); i++ )
{
fGroup->ISendToSelf(plClusterGroup::kRefRegion, regions[i]);
}
}
}
class sortData
{
public:
UInt16 fIdx0;
UInt16 fIdx1;
UInt16 fIdx2;
hsScalar fDist;
sortData() {}
sortData(UInt16 idx0, UInt16 idx1, UInt16 idx2, hsScalar dist)
: fIdx0(idx0), fIdx1(idx1), fIdx2(idx2), fDist(dist)
{
}
bool operator<(const sortData& ot) const { return fDist < ot.fDist; }
bool operator>(const sortData& ot) const { return fDist > ot.fDist; }
bool operator==(const sortData& ot) const { return fDist == ot.fDist; }
bool operator!=(const sortData& ot) const { return fDist != ot.fDist; }
};
void plClusterUtil::ISortTemplate(plSpanTemplateB* templ) const
{
UInt16* indexData = templ->fIndices;
const int numTris = templ->NumTris();
typedef std::vector<sortData> sortVec;
sortVec vec;
vec.resize(numTris);
sortVec::iterator iter;
for( iter = vec.begin(); iter != vec.end(); iter++ )
{
iter->fIdx0 = indexData[0];
iter->fIdx1 = indexData[1];
iter->fIdx2 = indexData[2];
hsPoint3 pos;
pos = *templ->Position(indexData[0]);
float dist0 = pos.fX * pos.fX + pos.fY * pos.fY;
pos = *templ->Position(indexData[1]);
float dist1 = pos.fX * pos.fX + pos.fY * pos.fY;
pos = *templ->Position(indexData[2]);
float dist2 = pos.fX * pos.fX + pos.fY * pos.fY;
iter->fDist = dist0 > dist1
? (dist0 > dist2
? dist0
: dist2)
: (dist1 > dist2
? dist1
: dist2);
indexData += 3;
}
std::sort(vec.begin(), vec.end(), std::less<sortData>());
indexData = templ->fIndices;
for( iter = vec.begin(); iter != vec.end(); iter++ )
{
indexData[0] = iter->fIdx0;
indexData[1] = iter->fIdx1;
indexData[2] = iter->fIdx2;
indexData += 3;
}
}
void plClusterUtil::ITemplateFromGeo(plSpanTemplateB* templ, plGeometrySpan* geo)
{
UInt16 format = plSpanTemplate::MakeFormat(
true, // hasColor
geo->GetNumUVs(), // UVW count
geo->fFormat & plGeometrySpan::kSkinIndices, // hasWgtIdx
(geo->fFormat & plGeometrySpan::kSkinWeightMask) >> 4, // NumWeights
true, // hasNorm
true // hasPos;
);
UInt32 numVerts = geo->fNumVerts;
UInt32 numTris = geo->fNumIndices / 3;
// Alloc it.
templ->Alloc(format, numVerts, numTris);
templ->AllocColors();
UInt32 numPos = templ->NumPos();
UInt32 numNorm = templ->NumNorm();
UInt32 numUVWs = templ->NumUVWs();
UInt32 numWeights = templ->NumWeights();
UInt32 numColor = templ->NumColor();
UInt32 numColor2 = templ->NumColor2();
UInt32 numWgtIdx = templ->NumWgtIdx();
// Fill in the data.
memcpy(templ->fIndices, geo->fIndexData, templ->IndexSize());
int i;
for( i = 0; i < templ->NumVerts(); i++ )
{
float wgt[4];
UInt32 wgtIdx;
geo->ExtractInitColor(i, templ->MultColor(i), templ->AddColor(i));
hsColorRGBA color;
geo->ExtractVertex(i, templ->Position(i), templ->Normal(i), &color);
if( templ->NumColor() )
*templ->Color(i) = color.ToARGB32();
if( templ->NumColor2() )
*templ->Color2(i) = 0;
int k;
for( k = 0; k < templ->NumUVWs(); k++ )
{
geo->ExtractUv(i, k, templ->UVWs(i, k));
}
if( templ->NumWeights() )
{
geo->ExtractWeights(i, wgt, &wgtIdx);
int j;
for( j = 0; j < templ->NumWeights(); j++ )
*templ->Weight(i, j) = wgt[j];
if( templ->NumWgtIdx() )
*templ->WgtIdx(i) = wgtIdx;
}
}
// Compute the local bounds.
templ->ComputeBounds();
ISortTemplate(templ);
}
plSpanTemplateB* plClusterUtil::IAddTemplate(plMaxNode* templNode, plGeometrySpan* geo)
{
// Shade our mesh.
// STUB
// Create our blank template
plSpanTemplateB* templ = TRACKED_NEW plSpanTemplateB(templNode);
templ->fRenderLevel = templNode->GetRenderLevel(!templNode->GetNoDeferDraw());
ITemplateFromGeo(templ, geo);
return templ;
}
void plClusterUtil::IAddTemplates(plMaxNode* templNode, plSpanTemplTab& templs)
{
// STUB
// Get the Mesh
// Figure the format and total number of verts.
// If we're lazy or pressed for time we could use MeshConverter.
// But we'd probably spend more time undoing MeshConverter hacks than if we start
// from scratch.
// But, here we go descending cheerully into hell.
// At least with this interface we can bail and do it right later without to much
// bloodshed.
hsTArray<plGeometrySpan*> spanArray;
if( !plMeshConverter::Instance().CreateSpans(templNode, spanArray, false) )
return;
plLightMapGen::Instance().Open(::GetCOREInterface(), ::GetCOREInterface()->GetTime(), false);
hsVertexShader::Instance().Open();
hsVertexShader::Instance().ShadeNode(templNode,
templNode->GetLocalToWorld44(), templNode->GetWorldToLocal44(),
spanArray);
plLightMapGen::Instance().Close();
hsVertexShader::Instance().Close();
int i;
for( i = 0; i < spanArray.GetCount(); i++ )
{
plSpanTemplateB* templ = IAddTemplate(templNode, spanArray[i]);
templs.Append(1, &templ);
templ->fMaterial = spanArray[i]->fMaterial;
delete spanArray[i];
}
}
Box3 plClusterUtil::IBound(const plL2WTab& src) const
{
Box3 box;
int i;
for( i = 0; i < src.Count(); i++ )
{
box += src[i].GetTrans();
}
return box;
}
Point3 plClusterUtil::ILength(const plL2WTab& src) const
{
Box3 box = IBound(src);
return box.Max() - box.Min();
}
int plClusterUtil::ISelectAxis(const plL2WTab& src) const
{
Box3 box = IBound(src);
Point3 del = box.Max() - box.Min();
if( del.x > del.y )
{
if( del.x > del.z )
return 0;
else
return 2;
}
if( del.y > del.z )
return 1;
return 2;
}
static int sortAxis = 0;
static int cmp(const void *elem1, const void *elem2)
{
Matrix3* m1 = (Matrix3*) elem1;
Matrix3* m2 = (Matrix3*) elem2;
float d1 = m1->GetTrans()[sortAxis];
float d2 = m2->GetTrans()[sortAxis];
if( d1 < d2 )
return -1;
else if( d1 > d2 )
return 1;
return 0;
}
hsBool plClusterUtil::ISplitCluster(plSpanTemplateB* templ, plL2WTab& src, plL2WTab& lo, plL2WTab& hi)
{
// Tried this, seems to work pretty well, but a more even grid is probably wiser at
// this point.
#if 0 // MAX_SEP
if( src.Count() <= fMinInsts)
return false;
// Pick an axis
sortAxis = ISelectAxis(src);
if( src.Count() < fMaxInsts)
{
Point3 len = ILength(src);
if( len[sortAxis] < fMinSize )
return false;
}
// Sort by that axis
src.Sort(cmp);
// Find the biggest gap
float maxDist = 0;
int pivot = 0;
int i;
for( i = 1; i < src.Count(); i++ )
{
float dist = src[i].GetTrans()[sortAxis] - src[i-1].GetTrans()[sortAxis];
if( dist > maxDist )
{
maxDist = dist;
pivot = i;
}
}
hsAssert((pivot > 0) && (pivot < src.Count()), "Invalid pivot found");
// Put everyone above it in hi, below it in lo
lo.Append(pivot, src.Addr(0));
hi.Append(src.Count()-pivot, src.Addr(pivot));
#else // MAX_SEP
if( src.Count() <= fMinInsts )
return false;
// Pick an axis
sortAxis = ISelectAxis(src);
if( src.Count() < fMaxInsts)
{
Point3 len = ILength(src);
if( len[sortAxis] < fMinSize )
return false;
}
// Sort by that axis
src.Sort(cmp);
int pivot = src.Count() >> 1;
lo.Append(pivot, src.Addr(0));
hi.Append(src.Count()-pivot, src.Addr(pivot));
#endif // MAX_SEP
return true;
}
void plClusterUtil::IFindClustersRecur(plSpanTemplateB* templ, plL2WTab& src, plL2WTabTab& dst)
{
plL2WTab lo;
plL2WTab hi;
if( ISplitCluster(templ, src, lo, hi) )
{
// Keep going
IFindClustersRecur(templ, lo, dst);
IFindClustersRecur(templ, hi, dst);
}
else
{
plL2WTab* tab = TRACKED_NEW plL2WTab(src);
dst.Append(1, &tab);
}
}
void plClusterUtil::IFreeClustersRecur(plL2WTabTab& dst) const
{
int i;
for( i = 0; i < dst.Count(); i++ )
delete dst[i];
}
inline hsScalar inlGetAlpha(UInt32* color)
{
return hsScalar(*color >> 24) / 255.99f;
}
plSpanEncoding plClusterUtil::ISelectEncoding(plPoint3TabTab& delPosTab, plColorTabTab& colorsTab)
{
hsBool hasColor = false;
hsBool hasAlpha = false;
hsScalar maxLenSq = 0;
hsScalar maxX = 0;
hsScalar maxY = 0;
hsScalar maxZ = 0;
int i;
for( i = 0; i < delPosTab.Count(); i++ )
{
int j;
if( delPosTab[i] )
{
plPoint3Tab& delPos = *delPosTab[i];
for( j = 0; j < delPos.Count(); j++ )
{
hsScalar lenSq = delPos[j].MagnitudeSquared();
if( lenSq > maxLenSq )
maxLenSq = lenSq;
hsScalar d = fabs(delPos[j].fX);
if( d > maxX )
maxX = d;
d = fabs(delPos[j].fY);
if( d > maxY )
maxY = d;
d = fabs(delPos[j].fZ);
if( d > maxZ )
maxZ = d;
}
}
if( colorsTab[i] )
{
plColorTab& color = *colorsTab[i];
for( j = 0; j < color.Count(); j++ )
{
UInt32 col = color[j];
if( (col & 0x00ffffff) != 0x00ffffff )
hasColor = true;
if( (col & 0xff000000) != 0xff000000 )
hasAlpha = true;
}
}
}
UInt32 code = 0;
hsScalar posScale = 1.f;
if( hasColor && hasAlpha )
code |= plSpanEncoding::kColAI88;
else if( hasColor )
code |= plSpanEncoding::kColI8;
else if( hasAlpha )
code |= plSpanEncoding::kColA8;
plConst(hsScalar) kPosQuantum(0.5 / 12.f); // 1/2 inch.
hsScalar maxLen = hsSquareRoot(maxLenSq);
if( maxLen > kPosQuantum )
{
if( (maxX < kPosQuantum) && (maxY < kPosQuantum) )
{
code |= plSpanEncoding::kPos008;
posScale = maxLen / 255.9f;
}
else if( (maxLen / 255.9f) < kPosQuantum )
{
code |= plSpanEncoding::kPos888;
posScale = maxLen / 255.9f;
}
else if( (maxLen / hsScalar(1 << 10)) < kPosQuantum )
{
code |= plSpanEncoding::kPos101010;
posScale = maxLen / hsScalar(1 << 10);
}
else
{
code |= plSpanEncoding::kPos161616;
posScale = maxLen / hsScalar(1 << 16);
}
}
return plSpanEncoding(code, posScale);
}
static int CompTemplates(const void *elem1, const void *elem2)
{
plSpanTemplateB* templA = *((plSpanTemplateB**)elem1);
plSpanTemplateB* templB = *((plSpanTemplateB**)elem2);
hsScalar hA = templA->GetLocalBounds().GetMaxs().fZ;
hsScalar hB = templB->GetLocalBounds().GetMaxs().fZ;
if( hA < hB )
return -1;
if( hA > hB )
return 1;
return 0;
}
void plClusterUtil::ISortTemplates(plSpanTemplTab& templs) const
{
templs.Sort(CompTemplates);
float maxZ = -1.e33f;
int i;
for( i = 1; i < templs.Count(); i++ )
{
templs[i]->fRenderLevel.Set(templs[i-1]->fRenderLevel.Level() + 1);
}
}
plSpanTemplTab plClusterUtil::MakeTemplates(INode* templNode)
{
plSpanTemplTab templs;
IAddTemplates((plMaxNode*)templNode, templs);
ISortTemplates(templs);
return templs;
}
void plClusterUtil::AddClusters(plL2WTab& insts, plDeformVert* def, plShadeVert* shade)
{
plPoint3TabTab delPos;
plColorTabTab colors;
plL2WTabTab clusters;
IFindClustersRecur(fTemplate, insts, clusters);
int j;
for( j = 0; j < clusters.Count(); j++ )
{
// Create a plCluster to hold them all.
plCluster* cluster = fGroup->IAddCluster();
// Get the delPositions and colors for all the instances
IAllocPosAndColor(fTemplate, *clusters[j], delPos, colors);
IDelPosAndColor(fTemplate,
*clusters[j],
def, shade,
delPos, colors);
// Look through the results and pick out a proper encoding
plSpanEncoding code = ISelectEncoding(delPos, colors);
cluster->SetEncoding(code);
// Now create, encode and add all the insts to the cluster.
IAddInstsToCluster(cluster, fTemplate, *clusters[j], delPos, colors);
IFreePosAndColor(delPos, colors);
}
IFreeClustersRecur(clusters);
}
void plClusterUtil::IAddInstsToCluster(plCluster* cluster, plSpanTemplateB* templ,
const plL2WTab& insts,
plPoint3TabTab& delPos,
plColorTabTab& colors)
{
int i;
for( i = 0; i < insts.Count(); i++ )
{
plSpanInstance* span = TRACKED_NEW plSpanInstance;
span->Alloc(cluster->GetEncoding(), templ->NumVerts());
span->SetLocalToWorld(plMaxNodeBase::Matrix3ToMatrix44(insts[i]));
span->Encode(cluster->GetEncoding(), templ->NumVerts(),
delPos[i] ? delPos[i]->Addr(0) : nil,
colors[i] ? colors[i]->Addr(0) : nil);
cluster->IAddInst(span);
}
}
void plClusterUtil::IAllocPosAndColor(plSpanTemplateB* templ, const plL2WTab& insts,
plPoint3TabTab& delPos, plColorTabTab& colors)
{
delPos.SetCount(insts.Count());
colors.SetCount(insts.Count());
const int numVerts = templ->NumVerts();
int i;
for( i = 0; i < insts.Count(); i++ )
{
delPos[i] = nil;
colors[i] = nil;
}
}
void plClusterUtil::IFreePosAndColor(plPoint3TabTab& delPos, plColorTabTab& colors) const
{
int i;
for( i = 0; i < delPos.Count(); i++ )
delete delPos[i];
for( i = 0; i < colors.Count(); i++ )
delete colors[i];
}
void plClusterUtil::IDelPosAndColor(plSpanTemplateB* templ,
const plL2WTab& insts, plDeformVert* def, plShadeVert* shade,
plPoint3TabTab& delPos, plColorTabTab& colors)
{
hsBool doDef = def != nil;
hsBool doCol = shade != nil;
// For each inst
int i;
for( i = 0; i < insts.Count(); i++ )
{
hsBounds3Ext wBnd = templ->GetLocalBounds();
hsMatrix44 l2w = plMaxNodeBase::Matrix3ToMatrix44(insts[i]);
hsMatrix44 w2l;
l2w.GetInverse(&w2l);
hsMatrix44 w2lT;
w2l.GetTranspose(&w2lT);
wBnd.Transform(&l2w);
if( doDef )
{
def->Begin(templ->GetSrcNode(), wBnd);
delPos[i] = TRACKED_NEW plPoint3Tab;
delPos[i]->SetCount(templ->NumVerts());
int j;
for( j = 0; j < templ->NumVerts(); j++ )
{
hsPoint3 p = l2w * *templ->Position(j);
plPoint3Tab& dp = *delPos[i];
dp[j] = def->GetDel(p);
dp[j] = w2l * dp[j];
}
def->End();
}
// Make the stored colors the actual output UInt32.
// templ has the mult and add colors, apply them here.
if( doCol )
{
shade->Begin(templ->GetSrcNode(), wBnd);
colors[i] = TRACKED_NEW plColorTab;
colors[i]->SetCount(templ->NumVerts());
int j;
for( j = 0; j < templ->NumVerts(); j++ )
{
hsPoint3 pos = *templ->Position(j);
pos += (*delPos[i])[j];
pos = l2w * pos;
hsVector3 norm = *templ->Normal(j);
norm = w2lT * norm;
Color rgb = shade->GetShade(pos, norm);
rgb *= Color(templ->MultColor(j)->r, templ->MultColor(j)->g, templ->MultColor(j)->b);
rgb += Color(templ->AddColor(j)->r, templ->AddColor(j)->g, templ->AddColor(j)->b);
(*colors[i])[j] = hsColorRGBA().Set(rgb.r, rgb.g, rgb.b, templ->MultColor(j)->a).ToARGB32();
}
shade->End();
}
}
}