CQ3ObjectRef Duplicator::DuplicateDisplayGroup( TQ3Object inGroup )
{
CQ3ObjectRef theDupe;
if (Q3Object_IsType( inGroup, kQ3DisplayGroupTypeOrdered ))
{
theDupe = CQ3ObjectRef( Q3OrderedDisplayGroup_New() );
}
else
{
theDupe = CQ3ObjectRef( Q3DisplayGroup_New() );
}
// Copy the display group state
TQ3DisplayGroupState theState;
Q3DisplayGroup_GetState( inGroup, &theState );
Q3DisplayGroup_SetState( theDupe.get(), theState );
// Duplicate the objects belonging to the group
Q3GroupIterator iter( inGroup );
CQ3ObjectRef theItem;
while ( (theItem = iter.NextObject()).isvalid() )
{
CQ3ObjectRef itemDupe( Duplicate( theItem.get() ) );
Q3Group_AddObject( theDupe.get(), itemDupe.get() );
}
return theDupe;
}
static TQ3GroupObject QD3DSupport_NewTrackGroup(TQ3ShaderObject theShader)
{
TQ3GroupObject myGroup = NULL;
if ((myGroup = Q3OrderedDisplayGroup_New()) != NULL )
{
TQ3GroupPosition myGroupPosition;
/* ADD TEXTURE SHADER OBJECT TO GROUP */
myGroupPosition = Q3Group_AddObject(myGroup, theShader);
if ( myGroupPosition == nil )
{
Utils_DisplayErrorMsg("Group_AddObject failed!");
}
}
/* Done! */
return ( myGroup );
}
static TQ3GroupObject QD3DSupport_GroundInit(TQ3ShaderObject groundShaderObject)
{
long i;
TQ3GeometryObject polygonObj = NULL;
TQ3GroupPosition myGroupPosition;
TQ3GroupObject groundGroup;
TQ3PolygonData polygonData;
TQ3Vertex3D vertices[kNumGrndTextureVertices] = {0,-3,GROUND_SIZE,nil,
GROUND_SIZE,-3,GROUND_SIZE,nil,
GROUND_SIZE,-3,-GROUND_SIZE,nil,
0,-3,-GROUND_SIZE,nil};
TQ3AttributeSet attribs[kNumGrndTextureVertices] = {NULL, NULL, NULL, NULL};
float ambient = 1.0F;
TQ3Param2D uv[kNumGrndTextureVertices] = {0,0,1,0,1,1,0,1};
if (groundShaderObject == NULL)
{
return NULL;
}
groundGroup = Q3OrderedDisplayGroup_New();
if (groundGroup == NULL)
{
return NULL;
}
/* ADD TEXTURE SHADER OBJECT TO GROUP */
myGroupPosition = Q3Group_AddObject(groundGroup, groundShaderObject);
if ( myGroupPosition == nil )
{
Utils_DisplayErrorMsg("Q3Group_AddObject failed!");
goto outOfMem;
}
Q3Object_Dispose(groundShaderObject);
/* CREATE VERTICES */
for (i=0; i < kNumGrndTextureVertices; i++)
{
attribs[i] = Q3AttributeSet_New();
if( attribs[i] == NULL )
{
Utils_DisplayErrorMsg("Attribute set creation failed!");
goto outOfMem;
}
Q3AttributeSet_Add(attribs[i], kQ3AttributeTypeShadingUV, &uv[i]);
vertices[i].attributeSet = attribs[i];
}
/* CREATE NEW POLYGON OBJECT */
polygonData.numVertices = kNumGrndTextureVertices;
polygonData.vertices = vertices;
polygonData.polygonAttributeSet = nil;
polygonObj = Q3Polygon_New(&polygonData);
if( polygonObj == NULL )
{
Utils_DisplayErrorMsg("Polygon_New failed!");
goto outOfMem;
}
for (i=0; i < kNumGrndTextureVertices; i++)
{
Q3Object_Dispose(attribs[i]);
attribs[i] = NULL;
}
myGroupPosition = Q3Group_AddObject(groundGroup, polygonObj);
Q3Object_Dispose(polygonObj);
if ( myGroupPosition == nil )
{
Utils_DisplayErrorMsg("Q3Group_AddObject failed!");
goto outOfMem;
}
/* Success! */
return groundGroup;
/* Error handling */
outOfMem:
if (groundGroup)
{
Q3Object_Dispose(groundGroup);
}
for (i=0; i < kNumGrndTextureVertices; i++)
{
if( attribs[i] )
{
Q3Object_Dispose(attribs[i]);
}
}
return NULL;
}
