Torque3D/Engine/source/scene/mixin/scenePolyhedralObject.impl.h

400 lines
12 KiB
C++

//-----------------------------------------------------------------------------
// Copyright (c) 2012 GarageGames, LLC
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//-----------------------------------------------------------------------------
#ifndef _SCENEPOLYHEDRALOBJECT_IMPL_H_
#define _SCENEPOLYHEDRALOBJECT_IMPL_H_
#include "platform/platform.h"
#include "scene/mixin/scenePolyhedralObject.h"
#include "console/consoleTypes.h"
#include "gfx/gfxDrawUtil.h"
#include "gfx/gfxTransformSaver.h"
#include "core/stream/bitStream.h"
#include "math/mathIO.h"
#if 0 // Enable when enabling debug rendering below.
#include "scene/sceneRenderState.h"
#include "gfx/sim/debugDraw.h"
#endif
//-----------------------------------------------------------------------------
template< typename Base, typename P >
void ScenePolyhedralObject< Base, P >::initPersistFields()
{
Parent::addGroup( "Internal" );
Parent::addProtectedField( "plane", TypeRealString, NULL,
&_setPlane, &defaultProtectedGetFn,
"For internal use only.",
AbstractClassRep::FIELD_HideInInspectors );
Parent::addProtectedField( "point", TypeRealString, NULL,
&_setPoint, &defaultProtectedGetFn,
"For internal use only.",
AbstractClassRep::FIELD_HideInInspectors );
Parent::addProtectedField( "edge", TypeRealString, NULL,
&_setEdge, &defaultProtectedGetFn,
"For internal use only.",
AbstractClassRep::FIELD_HideInInspectors );
Parent::endGroup( "Internal" );
Parent::initPersistFields();
}
//-----------------------------------------------------------------------------
template< typename Base, typename P >
bool ScenePolyhedralObject< Base, P >::onAdd()
{
// If no polyhedron has been initialized for the zone, default
// to object box. Do this before calling the parent's onAdd()
// so that we set the object box correctly.
if( mPolyhedron.getNumPlanes() == 0 )
{
mPolyhedron.buildBox( MatrixF::Identity, this->getObjBox() );
mIsBox = true;
}
else
{
mIsBox = false;
// Compute object-space bounds from polyhedron.
this->mObjBox = mPolyhedron.getBounds();
}
if( !Parent::onAdd() )
return false;
return true;
}
//-----------------------------------------------------------------------------
template< typename Base, typename P >
bool ScenePolyhedralObject< Base, P >::containsPoint( const Point3F& point )
{
// If our shape is the OBB, use the default implementation
// inherited from SceneObject.
if( this->mIsBox )
return Parent::containsPoint( point );
// Take the point into our local object space.
Point3F p = point;
this->getWorldTransform().mulP( p );
p.convolveInverse( this->getScale() );
// See if the polyhedron contains the point.
return mPolyhedron.isContained( p );
}
//-----------------------------------------------------------------------------
template< typename Base, typename P >
void ScenePolyhedralObject< Base, P >::_renderObject( ObjectRenderInst* ri, SceneRenderState* state, BaseMatInstance* overrideMat )
{
if( overrideMat )
return;
if( this->mIsBox )
Parent::_renderObject( ri, state, overrideMat );
else if( !this->mEditorRenderMaterial )
{
GFXTransformSaver saver;
MatrixF mat = this->getRenderTransform();
mat.scale( this->getScale() );
GFX->multWorld( mat );
GFXStateBlockDesc desc;
desc.setZReadWrite( true, false );
desc.setBlend( true );
desc.setCullMode( GFXCullNone );
GFX->getDrawUtil()->drawPolyhedron( desc, mPolyhedron, this->_getDefaultEditorSolidColor() );
// Render black wireframe.
desc.setFillModeWireframe();
GFX->getDrawUtil()->drawPolyhedron( desc, mPolyhedron, this->_getDefaultEditorWireframeColor() );
}
else
{
//TODO: render polyhedron with material
}
// Debug rendering.
#if 0
if( state->isDiffusePass() )
DebugDrawer::get()->drawPolyhedronDebugInfo( mPolyhedron, this->getTransform(), this->getScale() );
#endif
}
//-----------------------------------------------------------------------------
template< typename Base, typename P >
U32 ScenePolyhedralObject< Base, P >::packUpdate( NetConnection* connection, U32 mask, BitStream* stream )
{
U32 retMask = Parent::packUpdate( connection, mask, stream );
if( stream->writeFlag( !mIsBox && ( mask & PolyMask ) ) )
{
// Write planes.
const U32 numPlanes = mPolyhedron.getNumPlanes();
const typename PolyhedronType::PlaneType* planes = mPolyhedron.getPlanes();
stream->writeInt( numPlanes, 8 );
for( U32 i = 0; i < numPlanes; ++ i )
mathWrite( *stream, planes[ i ] );
// Write points.
const U32 numPoints = mPolyhedron.getNumPoints();
const typename PolyhedronType::PointType* points = mPolyhedron.getPoints();
stream->writeInt( numPoints, 8 );
for( U32 i = 0; i < numPoints; ++ i )
mathWrite( *stream, points[ i ] );
// Write edges.
const U32 numEdges = mPolyhedron.getNumEdges();
const typename PolyhedronType::EdgeType* edges = mPolyhedron.getEdges();
stream->writeInt( numEdges, 8 );
for( U32 i = 0; i < numEdges; ++ i )
{
const typename PolyhedronType::EdgeType& edge = edges[ i ];
stream->writeInt( edge.face[ 0 ], 8 );
stream->writeInt( edge.face[ 1 ], 8 );
stream->writeInt( edge.vertex[ 0 ], 8 );
stream->writeInt( edge.vertex[ 1 ], 8 );
}
}
return retMask;
}
//-----------------------------------------------------------------------------
template< typename Base, typename P >
void ScenePolyhedralObject< Base, P >::unpackUpdate( NetConnection* connection, BitStream* stream )
{
Parent::unpackUpdate( connection, stream );
if( stream->readFlag() ) // PolyMask
{
// Read planes.
const U32 numPlanes = stream->readInt( 8 );
mPolyhedron.mPlaneList.setSize( numPlanes );
for( U32 i = 0; i < numPlanes; ++ i )
mathRead( *stream, &mPolyhedron.mPlaneList[ i ] );
// Read points.
const U32 numPoints = stream->readInt( 8 );
mPolyhedron.mPointList.setSize( numPoints );
for( U32 i = 0; i < numPoints; ++ i )
mathRead( *stream, &mPolyhedron.mPointList[ i ] );
// Read edges.
const U32 numEdges = stream->readInt( 8 );
mPolyhedron.mEdgeList.setSize( numEdges );
for( U32 i = 0; i < numEdges; ++ i )
{
typename PolyhedronType::EdgeType& edge = mPolyhedron.mEdgeList[ i ];
edge.face[ 0 ] = stream->readInt( 8 );
edge.face[ 1 ] = stream->readInt( 8 );
edge.vertex[ 0 ] = stream->readInt( 8 );
edge.vertex[ 1 ] = stream->readInt( 8 );
}
}
}
//-----------------------------------------------------------------------------
template< typename Base, typename P >
bool ScenePolyhedralObject< Base, P >::writeField( StringTableEntry name, const char* value )
{
StringTableEntry sPlane = StringTable->insert( "plane" );
StringTableEntry sPoint = StringTable->insert( "point" );
StringTableEntry sEdge = StringTable->insert( "edge" );
if( name == sPlane || name == sPoint || name == sEdge )
return false;
return Parent::writeField( name, value );
}
//-----------------------------------------------------------------------------
template< typename Base, typename P >
void ScenePolyhedralObject< Base, P >::writeFields( Stream& stream, U32 tabStop )
{
Parent::writeFields( stream, tabStop );
// If the polyhedron is the same as our object box,
// don't bother writing out the planes and points.
if( mIsBox )
return;
stream.write( 2, "\r\n" );
// Write all planes.
const U32 numPlanes = mPolyhedron.getNumPlanes();
for( U32 i = 0; i < numPlanes; ++ i )
{
const PlaneF& plane = mPolyhedron.getPlanes()[ i ];
stream.writeTabs( tabStop );
char buffer[ 1024 ];
dSprintf( buffer, sizeof( buffer ), "plane = \"%g %g %g %g\";",
plane.x, plane.y, plane.z, plane.d
);
stream.writeLine( reinterpret_cast< const U8* >( buffer ) );
}
// Write all points.
const U32 numPoints = mPolyhedron.getNumPoints();
for( U32 i = 0; i < numPoints; ++ i )
{
const Point3F& point = mPolyhedron.getPoints()[ i ];
stream.writeTabs( tabStop );
char buffer[ 1024 ];
dSprintf( buffer, sizeof( buffer ), "point = \"%g %g %g\";",
point.x, point.y, point.z
);
stream.writeLine( reinterpret_cast< const U8* >( buffer ) );
}
// Write all edges.
const U32 numEdges = mPolyhedron.getNumEdges();
for( U32 i = 0; i < numEdges; ++ i )
{
const PolyhedronData::Edge& edge = mPolyhedron.getEdges()[ i ];
stream.writeTabs( tabStop );
char buffer[ 1024 ];
dSprintf( buffer, sizeof( buffer ), "edge = \"%i %i %i %i\";",
edge.face[ 0 ], edge.face[ 1 ],
edge.vertex[ 0 ], edge.vertex[ 1 ]
);
stream.writeLine( reinterpret_cast< const U8* >( buffer ) );
}
}
//-----------------------------------------------------------------------------
template< typename Base, typename P >
bool ScenePolyhedralObject< Base, P >::_setPlane( void* object, const char* index, const char* data )
{
ScenePolyhedralObject* obj = reinterpret_cast< ScenePolyhedralObject* >( object );
PlaneF plane;
dSscanf( data, "%g %g %g %g",
&plane.x,
&plane.y,
&plane.z,
&plane.d
);
obj->mPolyhedron.mPlaneList.push_back( plane );
obj->setMaskBits( PolyMask );
obj->mIsBox = false;
return false;
}
//-----------------------------------------------------------------------------
template< typename Base, typename P >
bool ScenePolyhedralObject< Base, P >::_setPoint( void* object, const char* index, const char* data )
{
ScenePolyhedralObject* obj = reinterpret_cast< ScenePolyhedralObject* >( object );
Point3F point;
dSscanf( data, "%g %g %g %g",
&point[ 0 ],
&point[ 1 ],
&point[ 2 ]
);
obj->mPolyhedron.mPointList.push_back( point );
obj->setMaskBits( PolyMask );
obj->mIsBox = false;
return false;
}
//-----------------------------------------------------------------------------
template< typename Base, typename P >
bool ScenePolyhedralObject< Base, P >::_setEdge( void* object, const char* index, const char* data )
{
ScenePolyhedralObject* obj = reinterpret_cast< ScenePolyhedralObject* >( object );
PolyhedronData::Edge edge;
dSscanf( data, "%i %i %i %i",
&edge.face[ 0 ],
&edge.face[ 1 ],
&edge.vertex[ 0 ],
&edge.vertex[ 1 ]
);
obj->mPolyhedron.mEdgeList.push_back( edge );
obj->setMaskBits( PolyMask );
obj->mIsBox = false;
return false;
}
#endif // _SCENEPOLYHEDRALOBJECT_IMPL_H_