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CWE-ou-minkata/MOULOpenSourceClientPlugin/Plasma20/Sources/Tools/MaxComponent/plClusterComponent.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/>.
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 "HeadSpin.h"
#include "max.h"
#include "meshdlib.h"
#include "dummy.h"
#include "resource.h"
#include "plComponent.h"
#include "plComponentReg.h"
#include "../MaxMain/plPlasmaRefMsgs.h"
#include "../MaxExport/plExportProgressBar.h"
#include "../MaxMain/plMaxNode.h"
#include "hsTypes.h"
#include "hsBitVector.h"
#include "../plMath/hsRadixSort.h"
#include "../plMath/plRandom.h"
#include "../pfAnimation/plBlower.h"
#include "plDicer.h"
#include "plDistribComponent.h"
#include "../MaxConvert/plDistributor.h"
#include "../MaxConvert/plDistTree.h"
#include "plMiscComponents.h"
#include "plClusterComponent.h"
#include "../MaxConvert/plClusterUtil.h"
#include "../plDrawable/plClusterGroup.h"
#include "../plDrawable/plSpanTemplate.h"
#include <vector>
using namespace std;
/////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////////
// Start with the component bookkeeping song and dance.
// Actual working code follows.
/////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////////
void DummyCodeIncludeFuncCluster()
{
}
class plClusterComponentProc : public ParamMap2UserDlgProc
{
public:
BOOL DlgProc(TimeValue t, IParamMap2 *map, HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
switch (msg)
{
case WM_COMMAND:
if( (HIWORD(wParam) == BN_CLICKED) && (LOWORD(wParam) == IDC_CLUSTER_DO_THE_DANCE) )
{
plClusterComponent* cc = (plClusterComponent*)map->GetParamBlock()->GetOwner();
cc->Cluster(nil);
return TRUE;
}
if( (HIWORD(wParam) == BN_CLICKED) && (LOWORD(wParam) == IDC_CLUSTER_CLEAR) )
{
plClusterComponent* cc = (plClusterComponent*)map->GetParamBlock()->GetOwner();
cc->Clear();
return TRUE;
}
break;
}
return false;
}
void DeleteThis() {}
};
static plClusterComponentProc gClusterCompProc;
//Max desc stuff necessary below.
CLASS_DESC(plClusterComponent, gClusterCompDesc, "Cluster", "Cluster", COMP_TYPE_DISTRIBUTOR, CLUSTER_COMP_CID)
class plClusterCompAccessor : public PBAccessor
{
public:
void Set(PB2Value& v, ReferenceMaker* owner, ParamID id, int tabIndex, TimeValue t)
{
if( id == plClusterComponent::kWindBones )
{
plClusterComponent *comp = (plClusterComponent*)owner;
comp->NotifyDependents(FOREVER, PART_ALL, REFMSG_USER_COMP_REF_CHANGED);
}
}
};
plClusterCompAccessor gClusterCompAccessor;
ParamBlockDesc2 gClusterBk
(
plComponent::kBlkComp, _T("Cluster"), 0, &gClusterCompDesc, P_AUTO_CONSTRUCT + P_AUTO_UI, plComponent::kRefComp,
IDD_COMP_CLUSTER, IDS_COMP_CLUSTERS, 0, 0, &gClusterCompProc,
plClusterComponent::kClusters, _T("Clusters"), TYPE_INODE_TAB, 0, 0, 0,
end,
plClusterComponent::kOptimization, _T("Optimization"), TYPE_FLOAT, 0, 0,
p_default, 100.0,
p_range, 0.0, 100.0,
p_ui, TYPE_SPINNER, EDITTYPE_POS_FLOAT,
IDC_COMP_CLUSTERSIZE, IDC_COMP_CLUSTERSIZE_SPIN, 1.0,
end,
plClusterComponent::kFadeIns, _T("FadeIns"), TYPE_POINT3_TAB, 0, 0, 0,
end,
plClusterComponent::kFadeOuts, _T("FadeOuts"), TYPE_POINT3_TAB, 0, 0, 0,
end,
// OBSOLETE
plClusterComponent::kWindBone, _T("WindBone"), TYPE_INODE, 0, 0,
// p_ui, TYPE_PICKNODEBUTTON, IDC_COMP_CLUSTER_WINDBONE,
// p_prompt, IDS_COMP_CLUSTER_CHOSE_WINDBONE,
end,
plClusterComponent::kWindBones, _T("WindBones"), TYPE_INODE_TAB, 0, 0, 0,
end,
plClusterComponent::kAutoGen, _T("AutoGen"), TYPE_BOOL, 0, 0,
p_default, FALSE,
p_ui, TYPE_SINGLECHEKBOX, IDC_COMP_CLUST_AUTOEXPORT,
end,
plClusterComponent::kAutoInstance, _T("AutoInstance"), TYPE_BOOL, 0, 0,
p_default, FALSE,
p_ui, TYPE_SINGLECHEKBOX, IDC_COMP_CLUST_AUTOINSTANCE,
end,
end
);
hsBool plClusterComponent::SetupProperties(plMaxNode *node, plErrorMsg *pErrMsg)
{
fSetupDone = false;
fExported = false;
int numClust = fCompPB->Count(kClusters);
int i;
for( i = numClust-1; i >= 0; --i )
{
if( !fCompPB->GetINode(kClusters, TimeValue(0), i) )
fCompPB->Delete(kClusters, i, 1);
}
return true;
}
static int CompTemplNodes(const void *elem1, const void *elem2)
{
plDistribInstance* distA = (plDistribInstance*)elem1;
plDistribInstance* distB = (plDistribInstance*)elem2;
plMaxNode* a = (plMaxNode*)distA->fNode;
plMaxNode* b = (plMaxNode*)distB->fNode;
if( a == b )
return 0;
if( a->GetRenderLevel(!a->GetNoDeferDraw()) < b->GetRenderLevel(!b->GetNoDeferDraw()) )
return -1;
if( a->GetRenderLevel(!a->GetNoDeferDraw()) > b->GetRenderLevel(!b->GetNoDeferDraw()) )
return 1;
if( a < b )
return -1;
return 1;
}
hsBool plClusterComponent::PreConvert(plMaxNode *node, plErrorMsg *pErrMsg)
{
if( !fSetupDone )
{
int numClust = fCompPB->Count(kClusters);
int i;
for( i = 0; i < numClust; i++ )
{
plMaxNodeBase* clust = (plMaxNodeBase*)fCompPB->GetINode(kClusters, TimeValue(0), i);
if( clust )
{
Box3 fade(fCompPB->GetPoint3(kFadeIns, TimeValue(0), i), fCompPB->GetPoint3(kFadeOuts, TimeValue(0), i));
// Deal here is that, although we'd love to properly sort all the time, most of the time we don't
// need to and/or can't afford it, at least with the closeup dense plants. This is a sort of hacky
// way to guess whether we can afford a proper sort. The idea is that anything that is only visible
// from farther than N feet away is probably some cheap imposter kind of representation that we can
// afford to face sort (it's likely to be two sided convex objects too, which means it'll need the sort).
// Can we do better? Not tonight.
const float kMinDistantFadeIn = 70.f;
const float kMaxDistantFadeOut = 10.f;
BOOL faceSort = false;
if( fade.Min()[2] < 0 )
{
if( fade.Min()[0] > kMinDistantFadeIn )
faceSort = true;
}
else if( fade.Max()[2] > 0 )
{
if( fade.Max()[1] < kMaxDistantFadeOut )
faceSort = true;
}
if( faceSort )
faceSort = true;
clust->SetFade(fade);
clust->SetNoDeferDraw(true);
clust->SetNoFaceSort(!faceSort);
clust->SetNormalChan(plDistributor::kNormMapChan);
if( i < fCompPB->Count(kWindBones) )
{
plMaxNodeBase* windBone = (plMaxNodeBase*)fCompPB->GetINode(kWindBones, TimeValue(0), i);
// FISHHACK
// BoneUpdate
// Add clust as first bone, windBone as second.
if( windBone && (windBone != clust) )
clust->AddBone(windBone);
}
}
}
ISetupRenderDependencies();
fClusterGroups.clear();
if (fCompPB->GetInt(kAutoInstance))
{
hsBitVector doneBits;
IBuildDistribTab();
if( !fDistribTab.Count() )
{
fSetupDone = true;
return true;
}
plDistribInstTab nodes;
plExportProgressBar bar;
if( IBuildNodeTab(nodes, pErrMsg, bar) )
{
nodes.Sort(CompTemplNodes);
plClusterUtil util;
int i = 0;
while( i < nodes.Count() )
{
plMaxNode* repNode = (plMaxNode*)nodes[i].fNode;
int nextNode;
for( nextNode = i+1; (nextNode < nodes.Count()) && (nodes[i].fNode == nodes[nextNode].fNode); nextNode++ )
{} // intentional, we just want the i value
// As far as I can tell, we don't actually use the templates generated here, we just use the count
// to know how many groups to create, and then generate the templates again in Convert().
// Looks like a hack that never got cleaned up.
plSpanTemplTab templs = util.MakeTemplates(repNode);
int j;
for( j = 0; j < templs.Count(); j++ )
{
fClusterGroups.push_back(util.CreateGroup(repNode, GetINode()->GetName()));
delete templs[j];
}
i = nextNode;
}
}
IClearNodeTab();
IClearDistribTab();
}
fSetupDone = true;
}
return true;
}
hsBool plClusterComponent::Convert(plMaxNode *node, plErrorMsg *pErrMsg)
{
if( !fExported && (fCompPB->GetInt(kAutoInstance)) )
{
hsBitVector doneBits;
IBuildDistribTab();
if( !fDistribTab.Count() )
{
fExported = true;
return true;
}
plDistribInstTab nodes;
plExportProgressBar bar;
if( IBuildNodeTab(nodes, pErrMsg, bar) )
{
nodes.Sort(CompTemplNodes);
plClusterUtil util;
plDeformVert defVert;
plShadeVert shadeVert;
int groupIdx = 0;
int i = 0;
while( i < nodes.Count() )
{
plL2WTab l2wTab;
plMaxNode* repNode = (plMaxNode*)nodes[i].fNode;
Matrix3 l2w = nodes[i].fObjectTM;
l2wTab.Append(1, &l2w);
int nextNode;
for( nextNode = i+1; (nextNode < nodes.Count()) && (nodes[i].fNode == nodes[nextNode].fNode); nextNode++ )
{
l2wTab.Append(1, &nodes[nextNode].fObjectTM);
}
plSpanTemplTab templs = util.MakeTemplates(repNode);
int j;
for( j = 0; j < templs.Count(); j++ )
{
util.SetupGroup(fClusterGroups[groupIdx], repNode, templs[j]);
groupIdx++;
util.AddClusters(l2wTab, nil, nil);
}
i = nextNode;
}
}
IClearNodeTab();
IClearDistribTab();
fExported = true;
}
return true;
}
plClusterComponent::plClusterComponent()
{
fClassDesc = &gClusterCompDesc;
fClassDesc->MakeAutoParamBlocks(this);
fClusterBins = nil;
fSizes[0] = fSizes[1] = fSizes[2] = 0;
fAutoGen = FALSE;
}
void plClusterComponent::ICheckWindBone()
{
}
/////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////////
// Working end of the gun follows below this line.
/////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////////
BOOL plClusterComponent::AutoGen(plErrorMsg* pErrMsg)
{
if( !fCompPB->Count(kClusters) && fCompPB->GetInt(kAutoGen) )
{
fAutoGen = true;
return Cluster(pErrMsg);
}
return false;
}
void plClusterComponent::AutoClear(plErrorMsg* pErrMsg)
{
if( fAutoGen )
{
Clear();
fAutoGen = false;
}
}
void plClusterComponent::IBuildDistribTab()
{
plDistribCompTab& tab = fDistribTab;
tab.ZeroCount();
// Okay, laziest hackiest sort algorithm in the world follows.
// But it's okay, the number of distributors is small.
plDistribCompTab sortTab;
Tab<float> valTab;
// For each target
int numTarg = NumTargets();
int i;
for( i = 0; i < numTarg; i++ )
{
plMaxNodeBase* targ = GetTarget(i);
if( targ )
{
UInt32 count = targ->NumAttachedComponents();
int j;
for( j = 0; j < count; j++ )
// For each DistribComponent
{
plComponentBase *comp = targ->GetAttachedComponent(j);
if( comp && (comp->ClassID() == DISTRIBUTOR_COMP_CID) )
{
// Add DistribComponent replicants to nodeTab
// making sure we don't add any nodes twice.
plDistribComponent* distComp = (plDistribComponent*)comp;
int k;
for( k = 0; k < sortTab.Count(); k++ )
{
if( distComp == sortTab[k] )
break;
}
if( k == sortTab.Count() )
{
sortTab.Append(1, &distComp);
float val = distComp->GetIsoPriority();
valTab.Append(1, &val);
}
}
}
}
}
BitArray gotten(sortTab.Count());
while( tab.Count() < sortTab.Count() )
{
float maxVal = -1.f;
int maxIdx = -1;
for( i = 0; i < sortTab.Count(); i++ )
{
if( !gotten[i] )
{
if( valTab[i] > maxVal )
{
maxVal = valTab[i];
maxIdx = i;
}
}
}
gotten.Set(maxIdx);
tab.Append(1, &sortTab[maxIdx]);
}
}
void plClusterComponent::IClearDistribTab()
{
int i;
for( i = 0; i < fDistribTab.Count(); i++ )
fDistribTab[i]->Done();
fDistribTab.ZeroCount();
}
BOOL plClusterComponent::IsFlexible() const
{
int i;
for( i = 0; i < fDistribTab.Count(); i++ )
{
if( fDistribTab[i]->IsFlexible() )
return true;
}
return false;
}
BOOL plClusterComponent::IBuildNodeTab(plDistribInstTab& nodes, plErrorMsg* pErrMsg, plExportProgressBar& bar)
{
plDistTree distTree;
nodes.ZeroCount();
int numDistrib = fDistribTab.Count();
if( numDistrib )
{
int progCnt = 0;
int i;
for( i = 0; i < numDistrib; i++ )
progCnt += fDistribTab[i]->NumTargets();
if( !progCnt )
progCnt = 1;
bar.Start("Compiling", progCnt << 4);
if( bar.Update(nil, 0) )
return false;
for( i = 0; i < numDistrib; i++ )
{
plDistribInstTab reps;
if( !fDistribTab[i]->Distribute(reps, pErrMsg, bar, &distTree) )
return false;
if( reps.Count() )
nodes.Append(reps.Count(), &reps[0]);
}
}
return true;
}
void plClusterComponent::IClearNodeTab()
{
int i;
for( i = 0; i < fDistribTab.Count(); i++ )
fDistribTab[i]->Done();
}
void plClusterComponent::Select()
{
INodeTab nodeTab;
int numClust = fCompPB->Count(kClusters);
int i;
for( i = 0; i < numClust; i++ )
{
INode* clust = fCompPB->GetINode(kClusters, TimeValue(0), i);
if( clust )
{
nodeTab.Append(1, &clust);
}
}
GetCOREInterface()->RemoveNamedSelSet(TSTR(GetINode()->GetName()));
GetCOREInterface()->AddNewNamedSelSet(nodeTab, TSTR(GetINode()->GetName()));
}
void plClusterComponent::Clear()
{
int numClust = fCompPB->Count(kClusters);
if( !numClust )
return;
GetCOREInterface()->DisableSceneRedraw();
plExportProgressBar bar;
const int log2freq = 2;
const int maskfreq = (1 << log2freq)-1;
int totalSteps = numClust >> log2freq;
if( !totalSteps )
totalSteps = 1;
bar.Start("Deleting", totalSteps);
bar.Update(nil, 0);
int i;
for( i = 0; i < numClust; i++ )
{
plMaxNode* cluster = (plMaxNode*)fCompPB->GetINode(kClusters, TimeValue(0), i);
if( cluster )
{
// HACK FISH - till we get a real fix for the slowdown caused by
// deleting things with a location component on them.
int numComp = cluster->NumAttachedComponents();
int j;
for( j = numComp-1; j >= 0; --j )
{
plComponentBase* comp = cluster->GetAttachedComponent(j);
if( comp )
{
comp->DeleteTarget(cluster);
}
}
// END HACK FISH
cluster->Delete(TimeValue(0), true);
}
if( !(i & maskfreq) )
bar.Update(nil);
}
fCompPB->ZeroCount(kClusters);
fCompPB->ZeroCount(kFadeIns);
fCompPB->ZeroCount(kFadeOuts);
fCompPB->ZeroCount(kWindBones);
GetCOREInterface()->EnableSceneRedraw();
GetCOREInterface()->ForceCompleteRedraw(FALSE);
}
BOOL plClusterComponent::Cluster(plErrorMsg* pErrMsg)
{
GetCOREInterface()->RedrawViews(GetCOREInterface()->GetTime(), REDRAW_BEGIN);
Clear();
IGetLocation();
ICheckWindBone();
// fClusterSize = fCompPB->GetFloat(kClusterSize);
// fClusterSize = 75.f;
plExportProgressBar bar;
IBuildDistribTab();
INodeTab doneNodes;
plBox3Tab fade;
INodeTab bone;
hsBitVector boneIsParent;
hsBitVector doneBits;
plDistribInstTab nodes;
BOOL failed = true;
if( IBuildNodeTab(nodes, pErrMsg, bar) )
{
failed = false;
if( nodes.Count() )
{
bar.Start("Optimizing", nodes.Count());
bar.Update(nil, 0);
}
int i;
for( i = 0; i < nodes.Count(); i++ )
{
if( doneBits.IsBitSet(i) )
continue;
if( !nodes[i].fNode )
continue;
if( !ICanCluster(nodes[i]) )
continue;
plDistribInstTab shared;
shared.Append(1, &nodes[i]);
int j;
for( j = 0; j < nodes.Count(); j++ )
{
if( !doneBits.IsBitSet(j) && ICanCluster(nodes[i], nodes[j]) )
{
shared.Append(1, &nodes[j]);
doneBits.SetBit(j);
}
}
INodeTab cluster;
failed = !IClusterGroup(shared, cluster, bar);
if( cluster.Count() )
{
int j;
for( j = 0; j < cluster.Count(); j++ )
{
fade.Append(1, &shared[0].fFade);
bone.Append(1, &shared[0].fBone);
boneIsParent.SetBit(doneNodes.Count() + j, shared[0].fRigid);
// Attach every component on the template node to the new node
int k;
plMaxNode *maxNode = (plMaxNode*)nodes[i].fNode;
for (k = 0; k < maxNode->NumAttachedComponents(); k++)
{
plComponentBase *comp = maxNode->GetAttachedComponent(k);
comp->AddTarget((plMaxNode*)cluster[j]);
}
}
doneNodes.Append(cluster.Count(), &cluster[0]);
}
if( failed )
break;
}
}
IClearNodeTab();
IClearDistribTab();
IFinishDoneNodes(doneNodes, fade, bone, boneIsParent);
if( failed )
Clear();
else
Select();
GetCOREInterface()->RedrawViews(GetCOREInterface()->GetTime(), REDRAW_END);
return failed;
}
void plClusterComponent::IFinishDoneNodes(INodeTab& doneNodes, plBox3Tab& fade, INodeTab& bones, hsBitVector& boneIsParent)
{
if( !doneNodes.Count() )
return;
NameMaker *nn = GetCOREInterface()->NewNameMaker();
TSTR nodeName(GetINode()->GetName());
int i;
for( i = 0; i < doneNodes.Count(); i++ )
{
if( doneNodes[i] )
{
nn->MakeUniqueName(nodeName);
doneNodes[i]->SetName(nodeName);
ISetLocation((plMaxNode*)doneNodes[i]);
}
Point3* p3p;
p3p = &fade[i].pmin;
fCompPB->Append(kFadeIns, 1, &p3p);
p3p = &fade[i].pmax;
fCompPB->Append(kFadeOuts, 1, &p3p);
INode* nilNode = nil;
if( bones[i] )
{
if( boneIsParent.IsBitSet(i) )
{
bones[i]->AttachChild(doneNodes[i], true);
fCompPB->Append(kWindBones, 1, &nilNode);
}
else
{
fCompPB->Append(kWindBones, 1, &bones[i]);
}
}
else
{
fCompPB->Append(kWindBones, 1, &nilNode);
}
}
// Add doneNodes to our PB, so we can keep track of who we've created.
fCompPB->Append(kClusters, doneNodes.Count(), &doneNodes[0]);
}
void plClusterComponent::ISetupRenderDependencies()
{
hsRadixSort::Elem* listTrav;
hsTArray<hsRadixSortElem> scratchList;
int numClust = fCompPB->Count(kClusters);
if( !numClust )
return;
scratchList.SetCount(numClust);
int i;
for( i = 0; i < numClust; i++ )
{
listTrav = &scratchList[i];
listTrav->fBody = (void*)i;
listTrav->fNext = listTrav+1;
Point3 fadeMax = fCompPB->GetPoint3(kFadeOuts, TimeValue(0), i);
listTrav->fKey.fFloat = fadeMax[2] > 0 ? -fadeMax[0] : -1.e33f; // Negate the distance to get decreasing sort.
}
listTrav->fNext = nil;
hsRadixSort rad;
hsRadixSort::Elem* sortedList = rad.Sort(scratchList.AcquireArray(), hsRadixSort::kFloat);
hsRadixSort::Elem* prevStart = nil;
hsRadixSort::Elem* prevEnd = nil;
listTrav = sortedList;
float currFade = listTrav->fKey.fFloat;
listTrav = listTrav->fNext;
while( listTrav )
{
if( listTrav->fKey.fFloat != currFade )
{
IAssignRenderDependencies(prevStart, prevEnd, sortedList, listTrav);
currFade = listTrav->fKey.fFloat;
}
listTrav = listTrav->fNext;
}
IAssignRenderDependencies(prevStart, prevEnd, sortedList, listTrav);
// Sort them by fade.Min()[2] < 0 ? fade.Min()[0] : 0 in decreasing order
// make first sort value group render dependent on all targets
// for each remaining sort value group
// make render dependent on members of previous sort value group.
}
void plClusterComponent::IAssignRenderDependencies(hsRadixSortElem*& prevStart, hsRadixSortElem*& prevEnd,
hsRadixSortElem*& currStart, hsRadixSortElem*& currEnd)
{
if( !prevStart )
{
hsRadixSort::Elem* q;
for( q = currStart; q != currEnd; q = q->fNext )
{
int iNode = (int)q->fBody;
plMaxNodeBase* clust = (plMaxNodeBase*)fCompPB->GetINode(kClusters, TimeValue(0), iNode);
if( clust )
{
int i;
for( i = 0; i < NumTargets(); i++ )
{
plMaxNodeBase* targ = GetTarget(i);
if( targ )
clust->AddRenderDependency(targ);
}
}
}
}
else
{
hsRadixSort::Elem* q;
for( q = currStart; q != currEnd; q = q->fNext )
{
int iNode = (int)q->fBody;
plMaxNodeBase* clust = (plMaxNodeBase*)fCompPB->GetINode(kClusters, TimeValue(0), iNode);
if( clust )
{
#if 0
hsRadixSort::Elem* p;
for( p = prevStart; p != prevEnd; p = p->fNext )
{
iNode = (int)p->fBody;
plMaxNodeBase* targ = (plMaxNodeBase*)fCompPB->GetINode(kClusters, TimeValue(0), iNode);
clust->AddRenderDependency(targ);
}
#else
iNode = (int)prevStart->fBody;
plMaxNodeBase* targ = (plMaxNodeBase*)fCompPB->GetINode(kClusters, TimeValue(0), iNode);
clust->AddRenderDependency(targ);
#endif
}
}
}
prevStart = currStart;
prevEnd = currEnd;
currStart = currEnd;
}
BOOL plClusterComponent::ICanCluster(plDistribInstance& node)
{
if( !node.fNode )
return false;
return true;
}
BOOL plClusterComponent::ICanCluster(plDistribInstance& node0, plDistribInstance& node1)
{
if( !(node0.fNode && node1.fNode) )
return false;
if( !ICanCluster(node1) )
return false;
if( node0.fNode->GetMtl() != node1.fNode->GetMtl() )
return false;
if( (node0.fFade.Min() != node1.fFade.Min())
||(node0.fFade.Max() != node1.fFade.Max()) )
return false;
if( node0.fBone != node1.fBone )
return false;
return true;
}
Box3 plClusterComponent::IPartition(plDistribInstTab& nodes)
{
if( !nodes.Count() )
return Box3();
Box3 retVal;
int i;
for( i = 0; i < nodes.Count(); i++ )
{
retVal += nodes[i].fNodeTM.GetTrans();
}
Point3 mins = retVal.Min();
Point3 maxs = retVal.Max();
// mins += Point3(fClusterSize, fClusterSize, fClusterSize) * 0.5f;
// maxs -= Point3(fClusterSize, fClusterSize, fClusterSize) * 1.5f;
// maxs -= Point3(fClusterSize, fClusterSize, fClusterSize) * 1.0f;
for( i = 0; i < 3; i++ )
{
if( mins[i] >= maxs[i] )
{
float mid = (mins[i] + maxs[i]) * 0.5f;
mins[i] = mid - 1.f;
maxs[i] = mid + 1.f;
}
}
retVal = Box3(mins, maxs);
return retVal;
}
void plClusterComponent::IClusterBins(plDistribInstTab& nodes, Box3& box)
{
int i;
for( i = 0; i < 3; i++ )
{
fSizes[i] = int((box.Max()[i] - box.Min()[i]) / fClusterSize);
if( !fSizes[i] )
fSizes[i] = 1;
}
int totSize = IGetBinCount();
fClusterBins = TRACKED_NEW plDistribInstTab*[totSize];
memset(fClusterBins, 0, sizeof(*fClusterBins) * totSize);
for( i = 0; i < nodes.Count(); i++ )
{
Matrix3 l2w = nodes[i].fNodeTM;
Point3 loc = l2w.GetTrans();
plDistribInstTab* bin = IGetClusterBin(box, loc);
bin->Append(1, &nodes[i]);
}
}
int plClusterComponent::IGetBinCount()
{
return fSizes[0] * fSizes[1] * fSizes[2];
}
void plClusterComponent::IDeleteClusterBins()
{
int totSize = IGetBinCount();
int i;
for( i = 0; i < totSize; i++ )
delete fClusterBins[i];
delete [] fClusterBins;
fClusterBins = nil;
}
plDistribInstTab* plClusterComponent::IGetClusterBin(const Box3& box, const Point3& loc)
{
int coord[3];
int j;
for( j = 0; j < 3; j++ )
{
coord[j] = int((loc[j] - box.Min()[j]) / fClusterSize);
if( coord[j] < 0 )
coord[j] = 0;
else if( coord[j] >= fSizes[j] )
coord[j] = fSizes[j] - 1;
}
int idx = coord[0] * fSizes[1] * fSizes[2] + coord[1] * fSizes[2] + coord[2];
if( !fClusterBins[idx] )
fClusterBins[idx] = TRACKED_NEW plDistribInstTab;
return fClusterBins[idx];
}
BOOL plClusterComponent::IClusterGroup(plDistribInstTab& nodes, INodeTab& clusters, plExportProgressBar& bar)
{
BOOL retVal = true;
hsBitVector doneNodes;
const float kNoOptClusterSize = 100.f;
const float kOptClusterSize = 100.f; // 30.f?
const int kNoOptMaxFaces = 10000;
const int kOptMaxFaces = 200;
float optim = fCompPB->GetFloat(kOptimization) * 0.01f;
float minClusterSize = kNoOptClusterSize + optim * (kOptClusterSize - kNoOptClusterSize);
int maxFaces = kNoOptMaxFaces + int(optim * float(kOptMaxFaces - kNoOptMaxFaces));
fClusterSize = minClusterSize;
Box3 fade = nodes[0].fFade;
if( fade.Min().z < 0 )
{
fClusterSize = fade.Min().x;
}
else if( fade.Max().z < 0 )
{
fClusterSize = fade.Max().x;
}
if( fClusterSize < minClusterSize )
fClusterSize = minClusterSize;
Box3 box = IPartition(nodes);
IClusterBins(nodes, box);
int totSize = IGetBinCount();
int i;
for( i = 0; i < totSize; i++ )
{
if( fClusterBins[i] )
{
INode* grp = IMakeOne(*fClusterBins[i]);
if( grp )
{
INodeTab subGrp;
plDicer dicer;
dicer.SetMaxFaces(maxFaces);
dicer.Dice(grp, subGrp);
int j;
for( j = 0; j < subGrp.Count(); j++ )
{
clusters.Append(1, &subGrp[j]);
}
}
if( bar.Update(nil, fClusterBins[i]->Count()) )
{
retVal = false;
break;
}
}
}
IDeleteClusterBins();
return retVal;
}
INode* plClusterComponent::IMakeOne(plDistribInstTab& nodes)
{
if( !nodes.Count() )
return nil;
TriObject* triObj = CreateNewTriObject();
Mesh* outMesh = &triObj->mesh;
*outMesh = *nodes[0].fMesh;
INode *outNode = GetCOREInterface()->CreateObjectNode(triObj);
Matrix3 l2w = nodes[0].fObjectTM;
Matrix3 w2l = Inverse(l2w);
MeshDelta meshDelta(*outMesh);
int i;
for( i = 1; i < nodes.Count(); i++ )
{
Mesh nextMesh(*nodes[i].fMesh);
Matrix3 relativeTransform = nodes[i].fObjectTM * w2l;
// If we've stashed normals on this mesh, they are in the mesh's
// native local space. The transform of the positions is handled
// automatically by meshDelta.AttachMesh (hence passing in the matrix),
// but the meshDelta hasn't a clue that the normal map channel isn't
// just more UVs. No problem, I'll handle it myself.
if( nextMesh.mapVerts(plDistributor::kNormMapChan) )
{
Point3* norms = nextMesh.mapVerts(plDistributor::kNormMapChan);
int k;
for( k = 0; k < nextMesh.getNumMapVerts(plDistributor::kNormMapChan); k++ )
{
norms[k] = relativeTransform.VectorTransform(norms[k]);
}
}
IRandomizeSkinWeights(&nextMesh, nodes[i].fFlex);
meshDelta.AttachMesh(*outMesh, nextMesh, relativeTransform, 0);
meshDelta.Apply(*outMesh);
}
outNode->SetNodeTM(TimeValue(0), l2w);
outNode->CopyProperties(nodes[0].fNode);
outNode->SetMtl(nodes[0].fNode->GetMtl());
outNode->SetObjOffsetPos(Point3(0,0,0));
Quat identQuat;
identQuat.Identity();
outNode->SetObjOffsetRot(identQuat);
outNode->SetObjOffsetScale(ScaleValue(Point3(1.f, 1.f, 1.f)));
outNode->Hide(false);
return outNode;
}
BOOL plClusterComponent::IGetLocation()
{
fLocationComp = nil;
int numTarg = NumTargets();
int i;
for( i = 0; i < numTarg; i++ )
{
plMaxNodeBase* targ = GetTarget(i);
if( targ )
{
UInt32 numComp = targ->NumAttachedComponents(false);
int j;
for( j = 0; j < numComp; j++ )
{
plComponentBase* comp = targ->GetAttachedComponent(j, false);
if( comp && (comp->ClassID() == ROOM_CID || comp->ClassID() == PAGEINFO_CID) )
{
if( fLocationComp && (fLocationComp != comp) )
{
fLocationComp = nil;
return false;
}
fLocationComp = comp;
}
}
}
}
return fLocationComp != nil;
}
void plClusterComponent::ISetLocation(plMaxNode* node)
{
if( fLocationComp )
fLocationComp->AddTarget(node);
}
void plClusterComponent::IRandomizeSkinWeights(Mesh* mesh, const Point3& flex) const
{
const int iWgtMap = plDistributor::kWgtMapChan;
UVVert *wgtMap = mesh->mapVerts(iWgtMap);
int numWgtVerts = mesh->getNumMapVerts(iWgtMap);
static plRandom random;
float interMeshRandomNess = flex[1];
float intraMeshRandomNess = flex[2];
float r = interMeshRandomNess > 0 ? random.RandRangeF(1.f - interMeshRandomNess, 1.f) : 1.f;
int i;
for( i = 0; i < numWgtVerts; i++ )
{
UVVert uvw = wgtMap[i];
float s = r;
if( intraMeshRandomNess > 0 )
s *= random.RandRangeF(1.f - intraMeshRandomNess, 1.f);
uvw *= s;
mesh->setMapVert(iWgtMap, i, uvw);
}
}