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added optional block following shape references which can contain transforms or materials specific to the shape instance

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git-svn-id: svn://anubis/fart/trunk@312 7f9b0f55-74a9-4bce-be96-3c2cd072584d
This commit is contained in:
Josh Holtrop 2010-09-28 19:31:26 +00:00
parent f67707e666
commit e5e4f991fb
2 changed files with 44 additions and 8 deletions
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31
main/Scene-load.cc
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@ -709,17 +709,38 @@ refptr<Polygon> Scene::processNGon(refptr<Node> node)
refptr<Shape> Scene::processShapeRef(refptr<Node> node)
{
if (m_shape_definitions.find(node->getString())
!= m_shape_definitions.end())
== m_shape_definitions.end())
{
refptr<Shape> shape = m_shape_definitions[node->getString()]->clone();
shape->setTransform(m_transforms.top() * shape->getTransform());
return shape;
}
cerr << "Error: no shape definition for '" << node->getString()
<< "' found!" << endl;
exit(3);
}
refptr<Material> material;
refptr<Shape> shape = m_shape_definitions[node->getString()]->clone();
bool restore_transform = processTransforms(node);
for (Node_Iterator it = node->getChildren().begin();
it != node->getChildren().end();
it++)
{
if ( (*it)->isMaterial() )
{
material = processMaterial(*it);
}
}
if ( ! material.isNull() )
shape->setMaterial(material);
shape->setTransform(m_transforms.top() * shape->getTransform());
if (restore_transform)
m_transforms.pop();
return shape;
}
bool Scene::processTransforms(refptr<Node> node)
{
bool did_any = false;

17
parser/parser.yy
View File

@ -458,7 +458,22 @@ shape_definition: DEFINE SHAPE IDENTIFIER shape {
}
;
shape_ref: SHAPE IDENTIFIER { $$ = new ShapeRefNode($2->getString()); }
shape_ref: SHAPE IDENTIFIER shape_ref_more {
$$ = new ShapeRefNode($2->getString());
$$->addChildren($3);
}
;
shape_ref_more: /* empty */
| LCURLY shape_ref_items RCURLY { $$ = $2; }
;
shape_ref_items: /* empty */
| shape_item shape_ref_items {
$$ = new ItemsNode();
$$->addChild($1);
$$->addChildren($2);
}
;
shape_item: material { $$ = $1; }