You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
387 lines
9.1 KiB
387 lines
9.1 KiB
/*==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 "hsTypes.h" |
|
#include "plOccluder.h" |
|
#include "hsStream.h" |
|
#include "plOccluderProxy.h" |
|
#include "../plDrawable/plDrawableGenerator.h" |
|
#include "../plSurface/hsGMaterial.h" |
|
#include "../plSurface/plLayerInterface.h" |
|
#include "../plSurface/plLayer.h" |
|
#include "../pnMessage/plNodeRefMsg.h" |
|
#include "../pnKeyedObject/plKey.h" |
|
#include "hsResMgr.h" |
|
#include "plgDispatch.h" |
|
#include "plVisRegion.h" |
|
#include "plVisMgr.h" |
|
|
|
plOccluder::plOccluder() |
|
: fSceneNode(nil) |
|
{ |
|
fProxyGen = TRACKED_NEW plOccluderProxy; |
|
fProxyGen->Init(this); |
|
|
|
fVisSet.SetBit(0); |
|
} |
|
|
|
plOccluder::~plOccluder() |
|
{ |
|
delete fProxyGen; |
|
} |
|
|
|
hsBool plOccluder::MsgReceive(plMessage* msg) |
|
{ |
|
plGenRefMsg* refMsg = plGenRefMsg::ConvertNoRef(msg); |
|
if( refMsg ) |
|
{ |
|
switch( refMsg->fType ) |
|
{ |
|
case kRefVisRegion: |
|
if( refMsg->GetContext() & (plRefMsg::kOnCreate|plRefMsg::kOnRequest|plRefMsg::kOnReplace) ) |
|
{ |
|
IAddVisRegion(plVisRegion::ConvertNoRef(refMsg->GetRef())); |
|
} |
|
else |
|
{ |
|
IRemoveVisRegion(plVisRegion::ConvertNoRef(refMsg->GetRef())); |
|
} |
|
return true; |
|
default: |
|
break; |
|
} |
|
|
|
} |
|
return plObjInterface::MsgReceive(msg); |
|
} |
|
|
|
void plOccluder::IAddVisRegion(plVisRegion* reg) |
|
{ |
|
if( reg ) |
|
{ |
|
int idx = fVisRegions.Find(reg); |
|
if( fVisRegions.kMissingIndex == idx ) |
|
{ |
|
fVisRegions.Append(reg); |
|
if( reg->GetProperty(plVisRegion::kIsNot) ) |
|
fVisNot.SetBit(reg->GetIndex()); |
|
else |
|
{ |
|
fVisSet.SetBit(reg->GetIndex()); |
|
if( reg->ReplaceNormal() ) |
|
fVisSet.ClearBit(plVisMgr::kNormal); |
|
} |
|
} |
|
} |
|
} |
|
|
|
void plOccluder::IRemoveVisRegion(plVisRegion* reg) |
|
{ |
|
if( reg ) |
|
{ |
|
int idx = fVisRegions.Find(reg); |
|
if( fVisRegions.kMissingIndex != idx ) |
|
{ |
|
fVisRegions.Remove(idx); |
|
if( reg->GetProperty(plVisRegion::kIsNot) ) |
|
fVisNot.ClearBit(reg->GetIndex()); |
|
else |
|
fVisSet.ClearBit(reg->GetIndex()); |
|
} |
|
} |
|
} |
|
|
|
plDrawableSpans* plOccluder::CreateProxy(hsGMaterial* mat, hsTArray<UInt32>& idx, plDrawableSpans* addTo) |
|
{ |
|
hsTArray<hsPoint3> pos; |
|
hsTArray<hsVector3> norm; |
|
hsTArray<hsColorRGBA> color; |
|
hsTArray<UInt16> tris; |
|
|
|
plLayer* lay = plLayer::ConvertNoRef(mat->GetLayer(0)->BottomOfStack()); |
|
if( lay ) |
|
lay->SetMiscFlags(lay->GetMiscFlags() & ~hsGMatState::kMiscTwoSided); |
|
|
|
const hsTArray<plCullPoly>& polys = GetLocalPolyList(); |
|
int i; |
|
for( i = 0; i < polys.GetCount(); i++ ) |
|
{ |
|
hsColorRGBA col; |
|
if( polys[i].IsHole() ) |
|
col.Set(0,0,0,1.f); |
|
else |
|
col.Set(1.f, 1.f, 1.f, 1.f); |
|
|
|
int triStart = tris.GetCount(); |
|
|
|
int idx0 = pos.GetCount(); |
|
pos.Append(polys[i].fVerts[0]); |
|
norm.Append(polys[i].fNorm); |
|
color.Append(col); |
|
pos.Append(polys[i].fVerts[1]); |
|
norm.Append(polys[i].fNorm); |
|
color.Append(col); |
|
int j; |
|
for( j = 2; j < polys[i].fVerts.GetCount(); j++ ) |
|
{ |
|
int idxCurr = pos.GetCount(); |
|
pos.Append(polys[i].fVerts[j]); |
|
norm.Append(polys[i].fNorm); |
|
color.Append(col); |
|
tris.Append(idx0); |
|
tris.Append(idxCurr-1); |
|
tris.Append(idxCurr); |
|
} |
|
#if 1 |
|
if( polys[i].IsTwoSided() ) |
|
{ |
|
int n = tris.GetCount(); |
|
while( --n >= triStart ) |
|
{ |
|
int idx = tris[n]; |
|
tris.Append(idx); |
|
} |
|
} |
|
#endif |
|
} |
|
return plDrawableGenerator::GenerateDrawable(pos.GetCount(), |
|
pos.AcquireArray(), |
|
norm.AcquireArray(), |
|
nil, 0, |
|
color.AcquireArray(), |
|
true, |
|
nil, |
|
tris.GetCount(), |
|
tris.AcquireArray(), |
|
mat, |
|
GetLocalToWorld(), |
|
true, |
|
&idx, |
|
addTo); |
|
} |
|
|
|
void plOccluder::SetTransform(const hsMatrix44& l2w, const hsMatrix44& w2l) |
|
{ |
|
// Commenting out the following asserts. Although they are fundamentally correct, |
|
//essentially identity matrices which aren't so flagged (because of numerical |
|
// precision) are triggering bogus asserts. mf |
|
// hsAssert(l2w.fFlags & hsMatrix44::kIsIdent, "Non-identity transform to non-movable Occluder"); |
|
// hsAssert(w2l.fFlags & hsMatrix44::kIsIdent, "Non-identity transform to non-movable Occluder"); |
|
} |
|
|
|
const hsMatrix44& plOccluder::GetLocalToWorld() const |
|
{ |
|
return hsMatrix44::IdentityMatrix(); |
|
} |
|
|
|
const hsMatrix44& plOccluder::GetWorldToLocal() const |
|
{ |
|
return hsMatrix44::IdentityMatrix(); |
|
} |
|
|
|
void plOccluder::ComputeFromPolys() |
|
{ |
|
IComputeBounds(); |
|
IComputeSurfaceArea(); |
|
} |
|
|
|
void plOccluder::IComputeBounds() |
|
{ |
|
fWorldBounds.MakeEmpty(); |
|
|
|
const hsTArray<plCullPoly>& polys = GetLocalPolyList(); |
|
int i; |
|
for( i =0 ; i < polys.GetCount(); i++ ) |
|
{ |
|
int j; |
|
for( j = 0; j < polys[i].fVerts.GetCount(); j++ ) |
|
fWorldBounds.Union(&polys[i].fVerts[j]); |
|
} |
|
} |
|
|
|
hsScalar plOccluder::IComputeSurfaceArea() |
|
{ |
|
hsScalar area = 0; |
|
const hsTArray<plCullPoly>& polys = GetLocalPolyList(); |
|
int i; |
|
for( i =0 ; i < polys.GetCount(); i++ ) |
|
{ |
|
int j; |
|
for( j = 2; j < polys[i].fVerts.GetCount(); j++ ) |
|
{ |
|
area += (hsVector3(&polys[i].fVerts[j], &polys[i].fVerts[j-2]) % hsVector3(&polys[i].fVerts[j-1], &polys[i].fVerts[j-2])).Magnitude(); |
|
} |
|
} |
|
area *= 0.5f; |
|
|
|
return fPriority = area; |
|
} |
|
|
|
void plOccluder::SetPolyList(const hsTArray<plCullPoly>& list) |
|
{ |
|
UInt16 n = list.GetCount(); |
|
fPolys.SetCount(n); |
|
int i; |
|
for( i = 0; i < n; i++ ) |
|
fPolys[i] = list[i]; |
|
} |
|
|
|
void plOccluder::ISetSceneNode(plKey node) |
|
{ |
|
if( fSceneNode != node ) |
|
{ |
|
if( node ) |
|
{ |
|
plNodeRefMsg* refMsg = TRACKED_NEW plNodeRefMsg(node, plRefMsg::kOnCreate, -1, plNodeRefMsg::kOccluder); |
|
hsgResMgr::ResMgr()->AddViaNotify(GetKey(), refMsg, plRefFlags::kPassiveRef); |
|
} |
|
if( fSceneNode ) |
|
{ |
|
fSceneNode->Release(GetKey()); |
|
} |
|
fSceneNode = node; |
|
} |
|
} |
|
|
|
void plOccluder::Read(hsStream* s, hsResMgr* mgr) |
|
{ |
|
plObjInterface::Read(s, mgr); |
|
|
|
fWorldBounds.Read(s); |
|
fPriority = s->ReadSwapScalar(); |
|
|
|
hsTArray<plCullPoly>& localPolys = IGetLocalPolyList(); |
|
UInt16 n = s->ReadSwap16(); |
|
localPolys.SetCount(n); |
|
int i; |
|
for( i = 0; i < n; i++ ) |
|
localPolys[i].Read(s, mgr); |
|
|
|
plKey nodeKey = mgr->ReadKey(s); |
|
ISetSceneNode(nodeKey); |
|
|
|
n = s->ReadSwap16(); |
|
fVisRegions.SetCountAndZero(n); |
|
for( i = 0; i < n; i++ ) |
|
mgr->ReadKeyNotifyMe(s, TRACKED_NEW plGenRefMsg(GetKey(), plRefMsg::kOnCreate, 0, kRefVisRegion), plRefFlags::kActiveRef); |
|
} |
|
|
|
void plOccluder::Write(hsStream* s, hsResMgr* mgr) |
|
{ |
|
plObjInterface::Write(s, mgr); |
|
|
|
fWorldBounds.Write(s); |
|
s->WriteSwapScalar(fPriority); |
|
|
|
const hsTArray<plCullPoly>& localPolys = IGetLocalPolyList(); |
|
s->WriteSwap16(localPolys.GetCount()); |
|
int i; |
|
for( i = 0; i < localPolys.GetCount(); i++ ) |
|
localPolys[i].Write(s, mgr); |
|
|
|
mgr->WriteKey(s, fSceneNode); |
|
|
|
s->WriteSwap16(fVisRegions.GetCount()); |
|
for( i = 0; i < fVisRegions.GetCount(); i++ ) |
|
mgr->WriteKey(s, fVisRegions[i]); |
|
} |
|
|
|
plMobileOccluder::plMobileOccluder() |
|
{ |
|
fLocalToWorld.Reset(); |
|
fWorldToLocal.Reset(); |
|
} |
|
|
|
plMobileOccluder::~plMobileOccluder() |
|
{ |
|
} |
|
|
|
void plMobileOccluder::IComputeBounds() |
|
{ |
|
plOccluder::IComputeBounds(); |
|
fLocalBounds = fWorldBounds; |
|
fWorldBounds.Transform(&fLocalToWorld); |
|
} |
|
|
|
void plMobileOccluder::SetTransform(const hsMatrix44& l2w, const hsMatrix44& w2l) |
|
{ |
|
fLocalToWorld = l2w; |
|
fWorldToLocal = w2l; |
|
|
|
if( fPolys.GetCount() != fOrigPolys.GetCount() ) |
|
fPolys.SetCount(fOrigPolys.GetCount()); |
|
|
|
int i; |
|
for( i = 0; i < fPolys.GetCount(); i++ ) |
|
fOrigPolys[i].Transform(l2w, w2l, fPolys[i]); |
|
|
|
if( fProxyGen ) |
|
fProxyGen->SetTransform(l2w, w2l); |
|
} |
|
|
|
void plMobileOccluder::SetPolyList(const hsTArray<plCullPoly>& list) |
|
{ |
|
UInt16 n = list.GetCount(); |
|
fOrigPolys.SetCount(n); |
|
fPolys.SetCount(n); |
|
|
|
int i; |
|
for( i = 0; i < n; i++ ) |
|
{ |
|
fPolys[i] = fOrigPolys[i] = list[i]; |
|
} |
|
} |
|
|
|
void plMobileOccluder::Read(hsStream* s, hsResMgr* mgr) |
|
{ |
|
plOccluder::Read(s, mgr); |
|
|
|
fLocalToWorld.Read(s); |
|
fWorldToLocal.Read(s); |
|
|
|
fLocalBounds.Read(s); |
|
|
|
fPolys.SetCount(fOrigPolys.GetCount()); |
|
|
|
SetTransform(fLocalToWorld, fWorldToLocal); |
|
} |
|
|
|
void plMobileOccluder::Write(hsStream* s, hsResMgr* mgr) |
|
{ |
|
plOccluder::Write(s, mgr); |
|
|
|
fLocalToWorld.Write(s); |
|
fWorldToLocal.Write(s); |
|
|
|
fLocalBounds.Write(s); |
|
} |
|
|
|
void plMobileOccluder::ComputeFromPolys() |
|
{ |
|
SetTransform(fLocalToWorld, fWorldToLocal); |
|
plOccluder::ComputeFromPolys(); |
|
} |
|
|
|
|