mirror of
https://github.com/IfcOpenShell/IfcOpenShell.git
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74 lines
3.4 KiB
C++
74 lines
3.4 KiB
C++
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/********************************************************************************
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* *
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* This file is part of IfcOpenShell. *
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* *
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* IfcOpenShell is free software: you can redistribute it and/or modify *
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* it under the terms of the Lesser GNU General Public License as published by *
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* the Free Software Foundation, either version 3.0 of the License, or *
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* (at your option) any later version. *
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* *
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* IfcOpenShell is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* Lesser GNU General Public License for more details. *
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* *
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* You should have received a copy of the Lesser GNU General Public License *
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* along with this program. If not, see <http://www.gnu.org/licenses/>. *
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* *
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********************************************************************************/
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#include "mapping.h"
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#define mapping POSTFIX_SCHEMA(mapping)
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using namespace ifcopenshell::geometry;
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taxonomy::ptr mapping::map_impl(const IfcSchema::IfcObjectPlacement* inst) {
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const IfcSchema::IfcObjectPlacement* relative_to = nullptr;
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const IfcUtil::IfcBaseInterface* transform;
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#ifdef SCHEMA_HAS_IfcLinearPlacement
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if (inst->as<IfcSchema::IfcLinearPlacement>()) {
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transform = inst->as<IfcSchema::IfcLinearPlacement>()->RelativePlacement();
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}
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#endif
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if (inst->as<IfcSchema::IfcLocalPlacement>()) {
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transform = inst->as<IfcSchema::IfcLocalPlacement>()->RelativePlacement();
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}
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if (inst->as<IfcSchema::IfcGridPlacement>()) {
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// @todo a bit harder to map without kernel
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return nullptr;
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}
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#ifdef SCHEMA_IfcObjectPlacement_HAS_PlacementRelTo
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relative_to = inst->PlacementRelTo();
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#else
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if (inst->as<IfcSchema::IfcLocalPlacement>()) {
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relative_to = inst->as<IfcSchema::IfcLocalPlacement>()->PlacementRelTo();
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}
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#endif
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bool parent_placement_ignored = false;
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if (relative_to && (placement_rel_to_type_ || placement_rel_to_instance_)) {
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IfcSchema::IfcProduct::list::ptr parent_places = relative_to->PlacesObject();
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for (auto iter = parent_places->begin(); iter != parent_places->end(); ++iter) {
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if ((placement_rel_to_type_ && (*iter)->declaration().is(*placement_rel_to_type_)) ||
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(placement_rel_to_instance_ && (*iter)->as<IfcUtil::IfcBaseEntity>() == placement_rel_to_instance_)) {
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parent_placement_ignored = true;
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}
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}
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}
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if (!parent_placement_ignored && relative_to) {
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// The parent placement of the current is a placement for a type that is
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// being ignored (Site or Building) or it is the host element of an opening.
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return taxonomy::make<taxonomy::matrix4>(
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taxonomy::cast<taxonomy::matrix4>(map(relative_to))->ccomponents() *
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taxonomy::cast<taxonomy::matrix4>(map(transform))->ccomponents()
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);
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} else {
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return map(transform);
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}
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// @todo
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// m4->components() = offset_and_rotation_ * m4->components();
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}
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