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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 "hsTypes.h"
#include "plStaticEnvLayer.h"
#include "iparamb2.h"
#include "iparamm2.h"
#include "stdmat.h"
#include "../plBMSampler.h"
#include "MaxMain/plPlasmaRefMsgs.h"
class plStaticEnvLayerClassDesc : public ClassDesc2
{
public:
int IsPublic() { return TRUE; }
void* Create(BOOL loading = FALSE) { return TRACKED_NEW plStaticEnvLayer(); }
const TCHAR* ClassName() { return GetString(IDS_STATIC_ENVMAP_LAYER); }
SClass_ID SuperClassID() { return TEXMAP_CLASS_ID; }
Class_ID ClassID() { return STATIC_ENV_LAYER_CLASS_ID; }
const TCHAR* Category() { return TEXMAP_CAT_ENV; }
const TCHAR* InternalName() { return _T("PlasmaStaticEnvMapLayer"); }
HINSTANCE HInstance() { return hInstance; }
};
static plStaticEnvLayerClassDesc plStaticEnvLayerDesc;
ClassDesc2* GetStaticEnvLayerDesc() { return &plStaticEnvLayerDesc; }
#include "plStaticEnvLayerBitmapPB.cpp"
plStaticEnvLayer::plStaticEnvLayer() :
fBitmapPB(NULL),
fUVGen(NULL),
fTexHandle(NULL),
fTexTime(0),
fIValid(NEVER)
{
int i;
for( i = 0; i < 6; i++ )
{
fBitmaps[ i ] = NULL;
}
plStaticEnvLayerDesc.MakeAutoParamBlocks(this);
ReplaceReference(kRefUVGen, GetNewDefaultUVGen());
}
plStaticEnvLayer::~plStaticEnvLayer()
{
int i;
for( i = 0; i < 6; i++ )
{
if( fBitmaps[ i ] )
fBitmaps[ i ]->DeleteThis();
}
IDiscardTexHandle();
}
//From MtlBase
void plStaticEnvLayer::Reset()
{
GetStaticEnvLayerDesc()->Reset(this, TRUE); // reset all pb2's
for( int i = 0; i < 6; i++ )
{
SetBitmap( NULL, i );
}
fIValid.SetEmpty();
}
void plStaticEnvLayer::Update(TimeValue t, Interval& valid)
{
if (!fIValid.InInterval(t))
{
fIValid.SetInfinite();
fUVGen->Update(t,fIValid);
fBitmapPB->GetValidity(t, fIValid);
}
// Gonna need to do this when we support animated bm's
#if 0
if (fBM)
{
if (bi.FirstFrame()!=bi.LastFrame())
ivalid.SetInstant(t);
}
#endif
valid &= fIValid;
}
Interval plStaticEnvLayer::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;
}
ParamDlg* plStaticEnvLayer::CreateParamDlg(HWND hwMtlEdit, IMtlParams *imp)
{
fIMtlParams = imp;
IAutoMParamDlg* masterDlg = plStaticEnvLayerDesc.CreateParamDlgs(hwMtlEdit, imp, this);
SELBitmapDlgProc *paramDlg = (SELBitmapDlgProc *)gBitmapParamBlk.GetUserDlgProc();
if( paramDlg )
paramDlg->fMtlParams = imp;
return masterDlg;
}
BOOL plStaticEnvLayer::SetDlgThing(ParamDlg* dlg)
{
return FALSE;
}
int plStaticEnvLayer::NumRefs()
{
return 2;
}
//From ReferenceMaker
RefTargetHandle plStaticEnvLayer::GetReference(int i)
{
switch (i)
{
case kRefUVGen: return fUVGen;
case kRefBitmap: return fBitmapPB;
default: return NULL;
}
}
void plStaticEnvLayer::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;
// KLUDGE: If the paramblock is being set chances are we are being created or
// loaded. In the case of load, we want to refresh our textures.
if (fBitmapPB)
RefreshBitmaps();
break;
}
}
int plStaticEnvLayer::NumParamBlocks()
{
return 1;
}
IParamBlock2* plStaticEnvLayer::GetParamBlock(int i)
{
switch (i)
{
case 0: return fBitmapPB;
default: return NULL;
}
}
IParamBlock2* plStaticEnvLayer::GetParamBlockByID(BlockID id)
{
if (fBitmapPB->ID() == id)
return fBitmapPB;
else
return NULL;
}
//From ReferenceTarget
RefTargetHandle plStaticEnvLayer::Clone(RemapDir &remap)
{
plStaticEnvLayer *mnew = TRACKED_NEW plStaticEnvLayer();
*((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;
}
int plStaticEnvLayer::NumSubs()
{
return 2;
}
Animatable* plStaticEnvLayer::SubAnim(int i)
{
//TODO: Return 'i-th' sub-anim
switch (i)
{
case kRefUVGen: return fUVGen;
case kRefBitmap: return fBitmapPB;
default: return NULL;
}
}
TSTR plStaticEnvLayer::SubAnimName(int i)
{
switch (i)
{
case kRefUVGen: return "UVGen";
case kRefBitmap: return fBitmapPB->GetLocalName();
default: return "";
}
}
RefResult plStaticEnvLayer::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);
if (changingParam != -1)
IChanged();
}
}
break;
case REFMSG_UV_SYM_CHANGE:
IDiscardTexHandle();
break;
}
return REF_SUCCEED;
}
void plStaticEnvLayer::IChanged()
{
IDiscardTexHandle();
// Texture wasn't getting updated in the viewports, and this fixes it.
// Don't know if it's the right way though.
NotifyDependents(FOREVER, PART_ALL, REFMSG_CHANGE);
// And this is so the SceneWatcher gets notified that the material on some of it's
// referenced objects changed.
NotifyDependents(FOREVER, PART_ALL, REFMSG_USER_MAT);
}
#define TEX_HDR_CHUNK 0x5000
#define MAX_ASS_CHUNK 0x5500
IOResult plStaticEnvLayer::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 plStaticEnvLayer::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;
}
inline Point2 CompUV(float x, float y, float z)
{
return Point2( 0.5f * ( x / z + 1.0f ), 0.5f * ( y / z + 1.0f ) );
}
AColor plStaticEnvLayer::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);
// Evaluate the Bitmap
// Point3 v = sc.VectorTo( sc.V(), REF_OBJECT );//WORLD );
Point3 v = sc.VectorTo( sc.Normal(), REF_OBJECT );
float wx,wy,wz;
Color rcol;
Bitmap *refmap = NULL;
Point3 rv;
Point2 uv;
int size;
wx = (float)fabs( v.x );
wy = (float)fabs( v.y );
wz = (float)fabs( v.z );
if( wx >= wy && wx >= wz )
{
if( v.x < 0 )
{
refmap = fBitmaps[ kLeftFace ];
uv = CompUV( -v.y, -v.z, v.x );
}
else
{
refmap = fBitmaps[ kRightFace ];
uv = CompUV( v.y, -v.z, -v.x );
}
}
else if( wy >= wx && wy >= wz )
{
if( v.y > 0 )
{
refmap = fBitmaps[ kBackFace ];
uv = CompUV( -v.x, -v.z, -v.y );
}
else
{
refmap = fBitmaps[ kFrontFace ];
uv = CompUV( v.x, -v.z, v.y );
}
}
else if( wz >= wx && wz >= wy )
{
if( v.z < 0 )
{
refmap = fBitmaps[ kBottomFace ];
uv = CompUV( -v.x, -v.y, v.z );
}
else
{
refmap = fBitmaps[ kTopFace ];
uv = CompUV( -v.x, v.y, -v.z );
}
}
if( refmap == NULL )
color.White();
else
{
if( uv.x < 0.0f )
uv.x = 0.0f;
else if( uv.x > 1.0f )
uv.x = 1.0f;
if( uv.y < 0.0f )
uv.y = 0.0f;
else if( uv.y > 1.0f )
uv.y = 1.0f;
size = refmap->Width();
int x = (int)( uv.x * (float)( size - 1 ) );
int y = (int)( ( 1.0f - uv.y ) * (float)( size - 1 ) );
BMM_Color_64 c;
refmap->GetLinearPixels( x, y, 1, &c );
color = AColor( c.r / 65535.f, c.g / 65535.f, c.b / 65535.f, c.a / 65535.f );
}
// Invert color if specified
if( fBitmapPB->GetInt( kBmpInvertColor ) )
{
color.r = 1.0f - color.r;
color.g = 1.0f - color.g;
color.b = 1.0f - color.b;
}
// Discard color if specified
if( fBitmapPB->GetInt( kBmpDiscardColor ) )
color.r = color.g = color.b = 1.0f;
// Invert alpha if specified
if( fBitmapPB->GetInt( kBmpInvertAlpha ) )
color.a = 1.0f - color.a;
// Discard alpha if specified
if( fBitmapPB->GetInt( kBmpDiscardAlpha ) )
color.a = 1.0f;
// If RGB output is set to alpha, show RGB as grayscale of the alpha
if( fBitmapPB->GetInt( kBmpRGBOutput ) == 1 )
color = AColor( color.a, color.a, color.a, 1.0f );
sc.PutCache(this, color);
return color;
}
float plStaticEnvLayer::EvalMono(ShadeContext& sc)
{
if (fBitmapPB->GetInt(kBmpMonoOutput) == 1)
return EvalColor(sc).a;
return Intens(EvalColor(sc));
}
Point3 plStaticEnvLayer::EvalNormalPerturb(ShadeContext& sc)
{
// Return the perturbation to apply to a normal for bump mapping
return Point3(0, 0, 0);
}
ULONG plStaticEnvLayer::LocalRequirements(int subMtlNum)
{
if( fBitmapPB->GetInt( kBmpUseMAXAtmosphere ) )
return MTLREQ_VIEW_DEP;
return MTLREQ_VIEW_DEP | MTLREQ_NOATMOS;
}
void plStaticEnvLayer::IDiscardTexHandle()
{
if (fTexHandle)
{
fTexHandle->DeleteThis();
fTexHandle = NULL;
}
}
void plStaticEnvLayer::ActivateTexDisplay(BOOL onoff)
{
if (!onoff)
IDiscardTexHandle();
}
BITMAPINFO *plStaticEnvLayer::GetVPDisplayDIB(TimeValue t, TexHandleMaker& thmaker, Interval &valid, BOOL mono, BOOL forceW, BOOL forceH)
{
// FIXME
fTexTime = 0;//CalcFrame(t);
// texValid = clipValid;
BITMAPINFO *bmi = NULL;
int xflags = 0;
if (fBitmapPB->GetInt(kBmpRGBOutput) == 1)
xflags |= EX_RGB_FROM_ALPHA;
bmi = thmaker.BitmapToDIB(fBitmaps[ 0 ], fUVGen->SymFlags(), xflags, forceW, forceH);
return bmi;
}
DWORD plStaticEnvLayer::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;
}
}
const char *plStaticEnvLayer::GetTextureName( int which )
{
// if (fBitmapPB->GetInt(kBmpUseBitmap))
{
PBBitmap *pbbm = fBitmapPB->GetBitmap( kBmpFrontBitmap + which );
if (pbbm)
return pbbm->bi.Name();
}
return NULL;
}
//// Set/GetBaseFilename //////////////////////////////////////////////////////
void plStaticEnvLayer::SetBaseFilename( const TCHAR *name, TimeValue t )
{
fBitmapPB->SetValue( kBmpBaseFilename, t, (TCHAR *)name );
}
const TCHAR *plStaticEnvLayer::GetBaseFilename( TimeValue t )
{
return (const TCHAR*)fBitmapPB->GetStr(kBmpBaseFilename, t);
}
//// IGetViewTM ///////////////////////////////////////////////////////////////
Matrix3 plStaticEnvLayer::IGetViewTM( int i )
{
Matrix3 m;
m.IdentityMatrix();
switch( i )
{
case kTopFace:
m.RotateX( -PI );
break;
case kBottomFace:
break;
case kLeftFace:
m.RotateX( -.5f * PI );
m.RotateY( -.5f * PI );
break;
case kRightFace:
m.RotateX( -.5f * PI );
m.RotateY( +.5f * PI );
break;
case kFrontFace:
m.RotateX( -.5f * PI );
m.RotateY( PI );
break;
case kBackFace:
m.RotateX( -.5f * PI );
break;
}
return m;
}
//// IWriteBM /////////////////////////////////////////////////////////////////
int plStaticEnvLayer::IWriteBM( BitmapInfo *bi, Bitmap *bm, TCHAR *name )
{
bi->SetName( name );
if( bm->OpenOutput( bi ) == BMMRES_SUCCESS )
{
if( bm->Write( bi, BMM_SINGLEFRAME ) == BMMRES_SUCCESS )
{
bm->Close( bi );
return 1;
}
}
return 0;
}
//// RenderCubicMap ///////////////////////////////////////////////////////////
// Generates the 6 faces for a cubic map based on a picked node
void plStaticEnvLayer::RenderCubicMap( INode *node )
{
int res, size;
BOOL success = 0;
TSTR fname, fullname;
Bitmap *bm = NULL;
TSTR path, filename, ext, thisFilename;
BitmapInfo biOutFile;
static TCHAR suffixes[ 6 ][ 4 ] = { "_FR", "_BK", "_LF", "_RT", "_UP", "_DN" };
Interface *ip = GetCOREInterface();
size = fBitmapPB->GetInt( kBmpTextureSize, ip->GetTime() );
if( size <= 0 )
{
return;
}
thisFilename = fBitmapPB->GetStr( kBmpBaseFilename, ip->GetTime() );
if( thisFilename.isNull() )
{
return;
}
SplitFilename( thisFilename, &path, &filename, &ext );
BOOL wasHid = node->IsNodeHidden();
node->Hide( TRUE );
// Create a blank bitmap
biOutFile.SetWidth( size );
biOutFile.SetHeight( size );
biOutFile.SetType( BMM_TRUE_64 );
biOutFile.SetAspect( 1.0f );
biOutFile.SetCurrentFrame( 0 );
bm = TheManager->Create( &biOutFile );
Matrix3 nodeTM = node->GetNodeTM( ip->GetTime() );
Matrix3 tm;
INode *root = ip->GetRootNode();
bm->Display( GetString( IDS_CUBIC_RENDER_TITLE ) );
/// Set up rendering contexts
ViewParams vp;
vp.projType = PROJ_PERSPECTIVE;
vp.hither = .001f;
vp.yon = 1.0e30f;
vp.fov = PI/2.0f;
if( fBitmapPB->GetInt( kBmpUseMAXAtmosphere ) )
{
vp.nearRange = 0;
vp.farRange = fBitmapPB->GetFloat( kBmpFarDistance );
}
else
{
vp.nearRange = vp.farRange = 1.0e30f;
}
BOOL saveUseEnvMap = ip->GetUseEnvironmentMap();
ip->SetUseEnvironmentMap( false );
res = ip->OpenCurRenderer( &vp );
for( int i = 0; i < 6; i++ )
{
tm = IGetViewTM( i );
tm.PreTranslate( -nodeTM.GetTrans() );
vp.affineTM = tm;
// Construct filename
thisFilename.printf( _T( "%s\\%s%s%s" ), path, filename, suffixes[ i ], ext );
res = ip->CurRendererRenderFrame( ip->GetTime(), bm, NULL, 1.0f, &vp );
if( !res )
goto fail;
if( !IWriteBM( &biOutFile, bm, thisFilename ) )
goto fail;
}
success = 1;
fail:
ip->CloseCurRenderer();
ip->SetUseEnvironmentMap( saveUseEnvMap );
bm->DeleteThis();
node->Hide( wasHid );
if( success )
{
for(int i = 0; i < 6; i++ )
{
BitmapInfo bi;
thisFilename.printf( _T( "%s\\%s%s%s" ), path, filename, suffixes[ i ], ext );
bi.SetName( thisFilename );
PBBitmap pbBitmap( bi );
fBitmapPB->SetValue( kBmpFrontBitmap + i, ip->GetTime(), &pbBitmap );
}
fBitmapPB->GetMap()->UpdateUI( ip->GetTime() );
}
}
PBBitmap *plStaticEnvLayer::GetPBBitmap(int index /* = 0 */)
{
return fBitmapPB->GetBitmap( ParamID( kBmpFrontBitmap + index ) );
}
void plStaticEnvLayer::ISetPBBitmap( PBBitmap *pbbm, int index )
{
fBitmapPB->SetValue( ParamID( kBmpFrontBitmap + index ), 0, pbbm );
}