260 lines
7.7 KiB
C++
260 lines
7.7 KiB
C++
/*************************************************************************/
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/* multimesh.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2015 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "multimesh.h"
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#include "servers/visual_server.h"
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void MultiMesh::_set_transform_array(const DVector<Vector3>& p_array) {
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int instance_count = get_instance_count();
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DVector<Vector3> xforms = p_array;
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int len=xforms.size();
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ERR_FAIL_COND((len/4) != instance_count);
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if (len==0)
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return;
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DVector<Vector3>::Read r = xforms.read();
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for(int i=0;i<len/4;i++) {
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Transform t;
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t.basis[0]=r[i*4+0];
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t.basis[1]=r[i*4+1];
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t.basis[2]=r[i*4+2];
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t.origin=r[i*4+3];
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set_instance_transform(i,t);
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}
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}
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DVector<Vector3> MultiMesh::_get_transform_array() const {
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int instance_count = get_instance_count();
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if (instance_count==0)
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return DVector<Vector3>();
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DVector<Vector3> xforms;
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xforms.resize(instance_count*4);
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DVector<Vector3>::Write w = xforms.write();
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for(int i=0;i<instance_count;i++) {
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Transform t=get_instance_transform(i);
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w[i*4+0]=t.basis[0];
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w[i*4+1]=t.basis[1];
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w[i*4+2]=t.basis[2];
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w[i*4+3]=t.origin;
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}
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return xforms;
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}
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void MultiMesh::_set_color_array(const DVector<Color>& p_array) {
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int instance_count = get_instance_count();
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DVector<Color> colors = p_array;
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int len=colors.size();
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ERR_FAIL_COND(len != instance_count);
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if (len==0)
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return;
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DVector<Color>::Read r = colors.read();
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for(int i=0;i<len;i++) {
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set_instance_color(i,r[i]);
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}
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}
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DVector<Color> MultiMesh::_get_color_array() const {
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int instance_count = get_instance_count();
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if (instance_count==0)
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return DVector<Color>();
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DVector<Color> colors;
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colors.resize(instance_count);
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for(int i=0;i<instance_count;i++) {
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colors.set(i,get_instance_color(i));
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}
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return colors;
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}
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void MultiMesh::set_mesh(const Ref<Mesh>& p_mesh) {
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mesh=p_mesh;
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if (!mesh.is_null())
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VisualServer::get_singleton()->multimesh_set_mesh(multimesh,mesh->get_rid());
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else
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VisualServer::get_singleton()->multimesh_set_mesh(multimesh,RID());
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}
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Ref<Mesh> MultiMesh::get_mesh() const {
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return mesh;
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}
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void MultiMesh::set_instance_count(int p_count) {
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VisualServer::get_singleton()->multimesh_set_instance_count(multimesh,p_count);
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}
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int MultiMesh::get_instance_count() const {
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return VisualServer::get_singleton()->multimesh_get_instance_count(multimesh);
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}
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void MultiMesh::set_instance_transform(int p_instance, const Transform& p_transform) {
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VisualServer::get_singleton()->multimesh_instance_set_transform(multimesh,p_instance,p_transform);
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}
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Transform MultiMesh::get_instance_transform(int p_instance) const {
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return VisualServer::get_singleton()->multimesh_instance_get_transform(multimesh,p_instance);
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}
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void MultiMesh::set_instance_color(int p_instance, const Color& p_color) {
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VisualServer::get_singleton()->multimesh_instance_set_color(multimesh,p_instance,p_color);
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}
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Color MultiMesh::get_instance_color(int p_instance) const {
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return VisualServer::get_singleton()->multimesh_instance_get_color(multimesh,p_instance);
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}
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void MultiMesh::set_aabb(const AABB& p_aabb) {
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aabb=p_aabb;
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VisualServer::get_singleton()->multimesh_set_aabb(multimesh,p_aabb);
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}
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AABB MultiMesh::get_aabb() const {
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return aabb;
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}
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void MultiMesh::generate_aabb() {
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ERR_EXPLAIN("Cannot generate AABB if mesh is null.");
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ERR_FAIL_COND(mesh.is_null());
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AABB base_aabb=mesh->get_aabb();
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aabb=AABB();
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int instance_count = get_instance_count();
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for(int i=0;i<instance_count;i++) {
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Transform xform = get_instance_transform(i);
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if(i==0)
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aabb=xform.xform(base_aabb);
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else
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aabb.merge_with(xform.xform(base_aabb));
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}
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set_aabb(aabb);
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}
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RID MultiMesh::get_rid() const {
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return multimesh;
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}
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void MultiMesh::_bind_methods() {
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ObjectTypeDB::bind_method(_MD("set_mesh","mesh:Mesh"),&MultiMesh::set_mesh);
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ObjectTypeDB::bind_method(_MD("get_mesh:Mesh"),&MultiMesh::get_mesh);
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ObjectTypeDB::bind_method(_MD("set_instance_count"),&MultiMesh::set_instance_count);
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ObjectTypeDB::bind_method(_MD("get_instance_count"),&MultiMesh::get_instance_count);
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ObjectTypeDB::bind_method(_MD("set_instance_transform"),&MultiMesh::set_instance_transform);
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ObjectTypeDB::bind_method(_MD("get_instance_transform"),&MultiMesh::get_instance_transform);
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ObjectTypeDB::bind_method(_MD("set_instance_color"),&MultiMesh::set_instance_color);
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ObjectTypeDB::bind_method(_MD("get_instance_color"),&MultiMesh::get_instance_color);
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ObjectTypeDB::bind_method(_MD("set_aabb"),&MultiMesh::set_aabb);
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ObjectTypeDB::bind_method(_MD("get_aabb"),&MultiMesh::get_aabb);
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ObjectTypeDB::bind_method(_MD("generate_aabb"),&MultiMesh::generate_aabb);
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ObjectTypeDB::bind_method(_MD("_set_transform_array"),&MultiMesh::_set_transform_array);
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ObjectTypeDB::bind_method(_MD("_get_transform_array"),&MultiMesh::_get_transform_array);
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ObjectTypeDB::bind_method(_MD("_set_color_array"),&MultiMesh::_set_color_array);
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ObjectTypeDB::bind_method(_MD("_get_color_array"),&MultiMesh::_get_color_array);
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ADD_PROPERTY(PropertyInfo(Variant::INT,"instance_count",PROPERTY_HINT_RANGE,"0,16384,1"), _SCS("set_instance_count"), _SCS("get_instance_count"));
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ADD_PROPERTY(PropertyInfo(Variant::OBJECT,"mesh",PROPERTY_HINT_RESOURCE_TYPE,"Mesh"), _SCS("set_mesh"), _SCS("get_mesh"));
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ADD_PROPERTY(PropertyInfo(Variant::_AABB,"aabb"), _SCS("set_aabb"), _SCS("get_aabb") );
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ADD_PROPERTY(PropertyInfo(Variant::VECTOR3_ARRAY,"transform_array",PROPERTY_HINT_NONE,"",PROPERTY_USAGE_NOEDITOR), _SCS("_set_transform_array"), _SCS("_get_transform_array"));
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ADD_PROPERTY(PropertyInfo(Variant::COLOR_ARRAY,"color_array",PROPERTY_HINT_NONE,"",PROPERTY_USAGE_NOEDITOR), _SCS("_set_color_array"), _SCS("_get_color_array"));
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}
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MultiMesh::MultiMesh() {
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multimesh = VisualServer::get_singleton()->multimesh_create();
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}
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MultiMesh::~MultiMesh() {
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VisualServer::get_singleton()->free(multimesh);
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}
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