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CWE-ou-minkata/Sources/Tools/MaxPlasmaMtls/Layers/plDynamicEnvLayer.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==*/
///////////////////////////////////////////////////////////////////////////////
// //
// plDynamicEnvLayer - Dynamic EnvironmentMap MAX Layer //
// Cyan, Inc. //
// //
//// Version History //////////////////////////////////////////////////////////
// //
// 8.22.2001 mcn - Created. //
// //
///////////////////////////////////////////////////////////////////////////////
#include "hsTypes.h"
#include "plDynamicEnvLayer.h"
#include "iparamb2.h"
#include "iparamm2.h"
#include "stdmat.h"
#include "../plBMSampler.h"
#include "MaxMain/plPlasmaRefMsgs.h"
//// Externs //////////////////////////////////////////////////////////////////
extern TCHAR *GetString( int id );
extern HINSTANCE hInstance;
//// ClassDesc Definition /////////////////////////////////////////////////////
class plDynamicEnvLayerClassDesc : public ClassDesc2
{
public:
int IsPublic() { return TRUE; }
void* Create(BOOL loading = FALSE) { return TRACKED_NEW plDynamicEnvLayer(); }
const TCHAR* ClassName() { return GetString(IDS_DYNAMIC_ENVMAP_LAYER); }
SClass_ID SuperClassID() { return TEXMAP_CLASS_ID; }
Class_ID ClassID() { return DYNAMIC_ENV_LAYER_CLASS_ID; }
const TCHAR* Category() { return TEXMAP_CAT_ENV; }
const TCHAR* InternalName() { return _T("PlasmaDynamicEnvMapLayer"); }
HINSTANCE HInstance() { return hInstance; }
};
static plDynamicEnvLayerClassDesc plDynamicEnvLayerDesc;
ClassDesc2* GetDynamicEnvLayerDesc() { return &plDynamicEnvLayerDesc; }
#include "plDynamicEnvLayerBitmapPB.cpp"
//// Constructor/Destructor ///////////////////////////////////////////////////
plDynamicEnvLayer::plDynamicEnvLayer() :
fBitmapPB(NULL),
fUVGen(NULL),
fTexHandle(NULL),
fTexTime(0),
fIValid(NEVER)
{
plDynamicEnvLayerDesc.MakeAutoParamBlocks(this);
ReplaceReference(kRefUVGen, GetNewDefaultUVGen());
}
plDynamicEnvLayer::~plDynamicEnvLayer()
{
IDiscardTexHandle();
}
void plDynamicEnvLayer::GetClassName( TSTR& s )
{
s = GetString( IDS_DYNAMIC_ENVMAP_LAYER );
}
//// Reset ////////////////////////////////////////////////////////////////////
void plDynamicEnvLayer::Reset()
{
GetDynamicEnvLayerDesc()->Reset(this, TRUE); // reset all pb2's
NotifyDependents(FOREVER, PART_ALL, REFMSG_CHANGE);
fIValid.SetEmpty();
}
//// Update ///////////////////////////////////////////////////////////////////
void plDynamicEnvLayer::Update(TimeValue t, Interval& valid)
{
if (!fIValid.InInterval(t))
{
fIValid.SetInfinite();
fUVGen->Update(t,fIValid);
fBitmapPB->GetValidity(t, fIValid);
}
valid &= fIValid;
}
//// Validity /////////////////////////////////////////////////////////////////
Interval plDynamicEnvLayer::Validity(TimeValue t)
{
//TODO: Update fIValid here
// mf horse - Hacking this in just to get animations working.
// No warranty on this not being stupid.
Interval v = FOREVER;
fBitmapPB->GetValidity(t, v);
v &= fUVGen->Validity(t);
return v;
}
//// CreateParamDlg ///////////////////////////////////////////////////////////
ParamDlg* plDynamicEnvLayer::CreateParamDlg(HWND hwMtlEdit, IMtlParams *imp)
{
fIMtlParams = imp;
IAutoMParamDlg* masterDlg = plDynamicEnvLayerDesc.CreateParamDlgs(hwMtlEdit, imp, this);
return masterDlg;
}
//// SetDlgThing //////////////////////////////////////////////////////////////
BOOL plDynamicEnvLayer::SetDlgThing(ParamDlg* dlg)
{
return FALSE;
}
//// Reference Functions //////////////////////////////////////////////////////
int plDynamicEnvLayer::NumRefs()
{
return 2;
}
RefTargetHandle plDynamicEnvLayer::GetReference( int i )
{
switch( i )
{
case kRefUVGen: return fUVGen;
case kRefBitmap: return fBitmapPB;
default: return NULL;
}
}
void plDynamicEnvLayer::SetReference( int i, RefTargetHandle rtarg )
{
Interval garbage;
switch( i )
{
case kRefUVGen:
fUVGen = (UVGen *)rtarg;
if( fUVGen )
fUVGen->Update( TimeValue( 0 ), garbage );
break;
case kRefBitmap:
fBitmapPB = (IParamBlock2 *)rtarg;
break;
}
}
//// ParamBlock Functions /////////////////////////////////////////////////////
int plDynamicEnvLayer::NumParamBlocks()
{
return 1;
}
IParamBlock2 *plDynamicEnvLayer::GetParamBlock( int i )
{
switch( i )
{
case 0: return fBitmapPB;
default: return NULL;
}
}
IParamBlock2 *plDynamicEnvLayer::GetParamBlockByID( BlockID id )
{
if( fBitmapPB->ID() == id )
return fBitmapPB;
else
return NULL;
}
//// Clone ////////////////////////////////////////////////////////////////////
RefTargetHandle plDynamicEnvLayer::Clone( RemapDir &remap )
{
plDynamicEnvLayer *mnew = TRACKED_NEW plDynamicEnvLayer();
*((MtlBase*)mnew) = *((MtlBase*)this); // copy superclass stuff
mnew->ReplaceReference(kRefBitmap, remap.CloneRef(fBitmapPB));
mnew->ReplaceReference(kRefUVGen, remap.CloneRef(fUVGen));
BaseClone(this, mnew, remap);
return (RefTargetHandle)mnew;
}
//// SubAnim Functions ////////////////////////////////////////////////////////
int plDynamicEnvLayer::NumSubs()
{
return 1;
}
Animatable *plDynamicEnvLayer::SubAnim( int i )
{
switch( i )
{
case kRefBitmap: return fBitmapPB;
default: return NULL;
}
}
TSTR plDynamicEnvLayer::SubAnimName( int i )
{
switch( i )
{
case kRefBitmap: return fBitmapPB->GetLocalName();
default: return "";
}
}
//// NotifyRefChanged /////////////////////////////////////////////////////////
RefResult plDynamicEnvLayer::NotifyRefChanged( Interval changeInt, RefTargetHandle hTarget,
PartID& partID, RefMessage message )
{
switch (message)
{
case REFMSG_CHANGE:
{
fIValid.SetEmpty();
if (hTarget == fBitmapPB)
{
// see if this message came from a changing parameter in the pblock,
// if so, limit rollout update to the changing item and update any active viewport texture
ParamID changingParam = fBitmapPB->LastNotifyParamID();
fBitmapPB->GetDesc()->InvalidateUI(changingParam);
}
}
break;
case REFMSG_UV_SYM_CHANGE:
IDiscardTexHandle();
break;
}
return REF_SUCCEED;
}
//// Save/Load ////////////////////////////////////////////////////////////////
#define TEX_HDR_CHUNK 0x5000
IOResult plDynamicEnvLayer::Save(ISave *isave)
{
IOResult res;
isave->BeginChunk(TEX_HDR_CHUNK);
res = MtlBase::Save(isave);
if (res != IO_OK)
return res;
isave->EndChunk();
return IO_OK;
}
IOResult plDynamicEnvLayer::Load(ILoad *iload)
{
IOResult res;
while (IO_OK == (res = iload->OpenChunk()))
{
if (iload->CurChunkID() == TEX_HDR_CHUNK)
{
res = MtlBase::Load(iload);
}
iload->CloseChunk();
if (res != IO_OK)
return res;
}
return IO_OK;
}
//// EvalColor ////////////////////////////////////////////////////////////////
inline Point2 CompUV(float x, float y, float z)
{
return Point2( 0.5f * ( x / z + 1.0f ), 0.5f * ( y / z + 1.0f ) );
}
AColor plDynamicEnvLayer::EvalColor(ShadeContext& sc)
{
if (!sc.doMaps)
return AColor(0.0f, 0.0f, 0.0f, 1.0f);
AColor color;
if (sc.GetCache(this, color))
return color;
if (gbufID)
sc.SetGBufferID(gbufID);
color.White();
sc.PutCache(this, color);
return color;
}
float plDynamicEnvLayer::EvalMono(ShadeContext& sc)
{
return Intens(EvalColor(sc));
}
Point3 plDynamicEnvLayer::EvalNormalPerturb(ShadeContext& sc)
{
// Return the perturbation to apply to a normal for bump mapping
return Point3(0, 0, 0);
}
ULONG plDynamicEnvLayer::LocalRequirements(int subMtlNum)
{
return MTLREQ_VIEW_DEP;
}
void plDynamicEnvLayer::IDiscardTexHandle()
{
if (fTexHandle)
{
fTexHandle->DeleteThis();
fTexHandle = NULL;
}
}
void plDynamicEnvLayer::ActivateTexDisplay(BOOL onoff)
{
if (!onoff)
IDiscardTexHandle();
}
BITMAPINFO *plDynamicEnvLayer::GetVPDisplayDIB(TimeValue t, TexHandleMaker& thmaker, Interval &valid, BOOL mono, BOOL forceW, BOOL forceH)
{
return NULL;
}
DWORD plDynamicEnvLayer::GetActiveTexHandle(TimeValue t, TexHandleMaker& thmaker)
{
// FIXME: ignore validity for now
if (fTexHandle && fIValid.InInterval(t))// && texTime == CalcFrame(t))
return fTexHandle->GetHandle();
else
{
IDiscardTexHandle();
fTexTime = 0;//CalcFrame(t);
fTexHandle = thmaker.MakeHandle(GetVPDisplayDIB(t, thmaker, fIValid));
if (fTexHandle)
return fTexHandle->GetHandle();
else
return 0;
}
}
//// MustBeUnique /////////////////////////////////////////////////////////////
// Fun stuff here. If our anchor is set to nil (i.e. "self"), then we must be
// unique for each object we're applied to. However, that means the material
// must *ALSO* be unique. Hence why this function is called by
// hsMaterialConverter::IMustBeUniqueMaterial().
bool plDynamicEnvLayer::MustBeUnique( void )
{
if( fBitmapPB->GetINode( kBmpAnchorNode ) == nil )
return true;
return false;
}