godot/scene/resources/concave_polygon_shape.cpp

/*************************************************************************/
/*  concave_polygon_shape.cpp                                            */
/*************************************************************************/
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/*                           GODOT ENGINE                                */
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/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md).   */
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#include "concave_polygon_shape.h"

#include "servers/physics_server.h"

Vector<Vector3> ConcavePolygonShape::_gen_debug_mesh_lines() {

	Set<DrawEdge> edges;

	DVector<Vector3> data = get_faces();
	int datalen = data.size();
	ERR_FAIL_COND_V((datalen % 3) != 0, Vector<Vector3>());

	DVector<Vector3>::Read r = data.read();

	for (int i = 0; i < datalen; i += 3) {

		for (int j = 0; j < 3; j++) {

			DrawEdge de(r[i + j], r[i + ((j + 1) % 3)]);
			edges.insert(de);
		}
	}

	Vector<Vector3> points;
	points.resize(edges.size() * 2);
	int idx = 0;
	for (Set<DrawEdge>::Element *E = edges.front(); E; E = E->next()) {

		points[idx + 0] = E->get().a;
		points[idx + 1] = E->get().b;
		idx += 2;
	}

	return points;
}

bool ConcavePolygonShape::_set(const StringName &p_name, const Variant &p_value) {

	if (p_name == "data")
		PhysicsServer::get_singleton()->shape_set_data(get_shape(), p_value);
	else
		return false;

	return true;
}

bool ConcavePolygonShape::_get(const StringName &p_name, Variant &r_ret) const {

	if (p_name == "data")
		r_ret = PhysicsServer::get_singleton()->shape_get_data(get_shape());
	else
		return false;
	return true;
}
void ConcavePolygonShape::_get_property_list(List<PropertyInfo> *p_list) const {

	p_list->push_back(PropertyInfo(Variant::ARRAY, "data"));
}

void ConcavePolygonShape::_update_shape() {
}

void ConcavePolygonShape::set_faces(const DVector<Vector3> &p_faces) {

	PhysicsServer::get_singleton()->shape_set_data(get_shape(), p_faces);
	notify_change_to_owners();
}

DVector<Vector3> ConcavePolygonShape::get_faces() const {

	return PhysicsServer::get_singleton()->shape_get_data(get_shape());
}

void ConcavePolygonShape::_bind_methods() {

	ObjectTypeDB::bind_method(_MD("set_faces", "faces"), &ConcavePolygonShape::set_faces);
	ObjectTypeDB::bind_method(_MD("get_faces"), &ConcavePolygonShape::get_faces);
}

ConcavePolygonShape::ConcavePolygonShape() :
		Shape(PhysicsServer::get_singleton()->shape_create(PhysicsServer::SHAPE_CONCAVE_POLYGON)) {

	//set_planes(Vector3(1,1,1));
}