void CollisionMesh::Initialise(bool createmesh,
Geometry::Shape shape,
const D3DXVECTOR3& minScale,
const D3DXVECTOR3& maxScale,
int divisions)
{
if(createmesh)
{
m_geometry.reset(new Geometry(m_engine->device(),
m_engine->getShader(ShaderManager::BOUNDS_SHADER),
shape, divisions));
}
m_worldVertices.clear();
m_worldVertices.resize(m_geometry->GetVertices().size());
D3DXVECTOR3 scale(minScale);
if(m_parent)
{
// If parental, scale the mesh from min-max depending on the parent scale
m_minLocalScale = minScale;
m_maxLocalScale = maxScale;
scale = FindLocalScale();
}
LoadCollisionModel(scale);
}
void CollisionMesh::FullUpdate()
{
assert(m_parent);
// Modify the scale of the collision mesh
// depending on the parent scale
D3DXVECTOR3 scale(FindLocalScale());
D3DXVECTOR3 localScale(m_localWorld.GetScale());
if(scale != localScale)
{
LoadCollisionModel(scale);
}
//DirectX: World = LocalWorld * ParentWorld
m_positionDelta += m_parent->Position() - m_world.Position();
m_world.Set(m_localWorld.GetMatrix()*m_parent->GetMatrix());
m_position = m_world.Position();
m_requiresFullUpdate = true;
}
static RwStream* ReadCollisionFromClump( RwStream *stream, size_t size )
{
// We do not wanna load if we are not requesting a collision.
if ( !g_clumpLoaderCOLAcquisition )
return stream;
// We should not load invalid sized collisions
if ( size < sizeof(ColModelFileHeader) )
return stream;
// Allocate the required buffer for the COL data
char *buf = new char[size];
// Read the collision from the RenderWare stream block
if ( RwStreamReadBlocks( stream, buf, size ) != size )
{
delete buf;
return NULL;
}
ColModelFileHeader& header = *(ColModelFileHeader*)buf;
CColModelSAInterface *colModel = new CColModelSAInterface;
// Load according to version
switch( header.checksum )
{
case 'LLOC':
LoadCollisionModel( buf + sizeof(ColModelFileHeader), colModel, NULL );
break;
case '2LOC':
LoadCollisionModelVer2( buf + sizeof(ColModelFileHeader), header.size - 0x18, colModel, NULL );
break;
case '3LOC':
LoadCollisionModelVer3( buf + sizeof(ColModelFileHeader), header.size - 0x18, colModel, NULL );
break;
case '4LOC':
LoadCollisionModelVer4( buf + sizeof(ColModelFileHeader), header.size - 0x18, colModel, NULL );
break;
default:
// Invalid checksum; maybe invalid version or bad chunk
// Happens for RC CAM vehicle; by returning NULL we disabled this model.
delete [] buf;
delete colModel;
return NULL;
}
// Unsegmentize the data.
colModel->UnsegmentizeData();
delete [] buf;
// Update the request.
// The_GTA: Made the collision assignment logic request based; original loader at
// CStreamingSA.utils.cpp - LoadClumpFilePersistent.
g_clumpLoaderCOLAcquisition->SetCollision( colModel );
return stream;
}