//-----------------------------------------------------------------------------
// Computes a convex hull from the studio model
//-----------------------------------------------------------------------------
CPhysCollide* ComputeConvexHull( studiohdr_t* pStudioHdr )
{
CUtlVector<CPhysConvex*> convexHulls;
for (int body = 0; body < pStudioHdr->numbodyparts; ++body )
{
mstudiobodyparts_t *pBodyPart = pStudioHdr->pBodypart( body );
for( int model = 0; model < pBodyPart->nummodels; ++model )
{
mstudiomodel_t *pStudioModel = pBodyPart->pModel( model );
for( int mesh = 0; mesh < pStudioModel->nummeshes; ++mesh )
{
// Make a convex hull for each mesh
// NOTE: This won't work unless the model has been compiled
// with $staticprop
mstudiomesh_t *pStudioMesh = pStudioModel->pMesh( mesh );
convexHulls.AddToTail( ComputeConvexHull( pStudioMesh ) );
}
}
}
// Convert an array of convex elements to a compiled collision model
// (this deletes the convex elements)
return s_pPhysCollision->ConvertConvexToCollide( convexHulls.Base(), convexHulls.Size() );
}
//-----------------------------------------------------------------------------
// Creates a collision model (based on the render geometry!)
//-----------------------------------------------------------------------------
void CVradStaticPropMgr::CreateCollisionModel( char const* pModelName )
{
CUtlBuffer buf;
CUtlBuffer bufvtx;
CUtlBuffer bufphy;
int i = m_StaticPropDict.AddToTail( );
m_StaticPropDict[i].m_pModel = 0;
if (!LoadStudioModel( pModelName, buf ))
{
VectorCopy( vec3_origin, m_StaticPropDict[i].m_Mins );
VectorCopy( vec3_origin, m_StaticPropDict[i].m_Maxs );
return;
}
// if (!LoadStudioModelVtx( pModelName, bufvtx ))
// return;
studiohdr_t* pHdr = (studiohdr_t*)buf.Base();
// OptimizedModel::FileHeader_t* pVtxHdr = (OptimizedModel::FileHeader_t*)bufvtx.Base();
VectorCopy( pHdr->hull_min, m_StaticPropDict[i].m_Mins );
VectorCopy( pHdr->hull_max, m_StaticPropDict[i].m_Maxs );
if ( LoadStudioCollisionModel( pModelName, bufphy ) )
{
phyheader_t header;
bufphy.Get( &header, sizeof(header) );
vcollide_t *pCollide = &m_StaticPropDict[i].m_loadedModel;
s_pPhysCollision->VCollideLoad( pCollide, header.solidCount, (const char *)bufphy.PeekGet(), bufphy.TellPut() - bufphy.TellGet() );
m_StaticPropDict[i].m_pModel = m_StaticPropDict[i].m_loadedModel.solids[0];
/*
static int propNum = 0;
char tmp[128];
sprintf( tmp, "staticprop%03d.txt", propNum );
DumpCollideToGlView( pCollide, tmp );
++propNum;
*/
}
else
{
// mark this as unused
m_StaticPropDict[i].m_loadedModel.solidCount = 0;
// CPhysCollide* pPhys = CreatePhysCollide( pHdr, pVtxHdr );
m_StaticPropDict[i].m_pModel = ComputeConvexHull( pHdr );
}
}
//-----------------------------------------------------------------------------
// Creates a collision model (based on the render geometry!)
//-----------------------------------------------------------------------------
void CVradStaticPropMgr::CreateCollisionModel( char const* pModelName )
{
CUtlBuffer buf;
CUtlBuffer bufvtx;
CUtlBuffer bufphy;
int i = m_StaticPropDict.AddToTail();
m_StaticPropDict[i].m_pModel = NULL;
m_StaticPropDict[i].m_pStudioHdr = NULL;
if ( !LoadStudioModel( pModelName, buf ) )
{
VectorCopy( vec3_origin, m_StaticPropDict[i].m_Mins );
VectorCopy( vec3_origin, m_StaticPropDict[i].m_Maxs );
return;
}
studiohdr_t* pHdr = (studiohdr_t*)buf.Base();
// necessary for vertex access
SetCurrentModel( pHdr );
VectorCopy( pHdr->hull_min, m_StaticPropDict[i].m_Mins );
VectorCopy( pHdr->hull_max, m_StaticPropDict[i].m_Maxs );
if ( LoadStudioCollisionModel( pModelName, bufphy ) )
{
phyheader_t header;
bufphy.Get( &header, sizeof(header) );
vcollide_t *pCollide = &m_StaticPropDict[i].m_loadedModel;
s_pPhysCollision->VCollideLoad( pCollide, header.solidCount, (const char *)bufphy.PeekGet(), bufphy.TellPut() - bufphy.TellGet() );
m_StaticPropDict[i].m_pModel = m_StaticPropDict[i].m_loadedModel.solids[0];
/*
static int propNum = 0;
char tmp[128];
sprintf( tmp, "staticprop%03d.txt", propNum );
DumpCollideToGlView( pCollide, tmp );
++propNum;
*/
}
else
{
// mark this as unused
m_StaticPropDict[i].m_loadedModel.solidCount = 0;
// CPhysCollide* pPhys = CreatePhysCollide( pHdr, pVtxHdr );
m_StaticPropDict[i].m_pModel = ComputeConvexHull( pHdr );
}
// clone it
m_StaticPropDict[i].m_pStudioHdr = (studiohdr_t *)malloc( buf.Size() );
memcpy( m_StaticPropDict[i].m_pStudioHdr, (studiohdr_t*)buf.Base(), buf.Size() );
if ( !LoadVTXFile( pModelName, m_StaticPropDict[i].m_pStudioHdr, m_StaticPropDict[i].m_VtxBuf ) )
{
// failed, leave state identified as disabled
m_StaticPropDict[i].m_VtxBuf.Purge();
}
}
//-----------------------------------------------------------------------------
// Add, find collision model in cache
//-----------------------------------------------------------------------------
static CPhysCollide* GetCollisionModel( char const* pModelName )
{
// Convert to a common string
char* pTemp = (char*)_alloca(strlen(pModelName) + 1);
strcpy( pTemp, pModelName );
_strlwr( pTemp );
char* pSlash = strchr( pTemp, '\\' );
while( pSlash )
{
*pSlash = '/';
pSlash = strchr( pTemp, '\\' );
}
// Find it in the cache
ModelCollisionLookup_t lookup;
lookup.m_Name = pTemp;
int i = s_ModelCollisionCache.Find( lookup );
if (i != s_ModelCollisionCache.InvalidIndex())
return s_ModelCollisionCache[i].m_pCollide;
// Load the studio model file
CUtlBuffer buf;
if (!LoadStudioModel(pModelName, "prop_static", buf))
{
Warning("Error loading studio model \"%s\"!\n", pModelName );
// This way we don't try to load it multiple times
lookup.m_pCollide = 0;
s_ModelCollisionCache.Insert( lookup );
return 0;
}
// Compute the convex hull of the model...
studiohdr_t* pStudioHdr = (studiohdr_t*)buf.PeekGet();
// necessary for vertex access
SetCurrentModel( pStudioHdr );
lookup.m_pCollide = ComputeConvexHull( pStudioHdr );
s_ModelCollisionCache.Insert( lookup );
if ( !lookup.m_pCollide )
{
Warning("Bad geometry on \"%s\"!\n", pModelName );
}
// Debugging
if (g_DumpStaticProps)
{
static int propNum = 0;
char tmp[128];
sprintf( tmp, "staticprop%03d.txt", propNum );
DumpCollideToGlView( lookup.m_pCollide, tmp );
++propNum;
}
FreeCurrentModelVertexes();
// Insert into cache...
return lookup.m_pCollide;
}
