d8223ffa75
That year should bring the long-awaited OpenGL ES 3.0 compatible renderer
with state-of-the-art rendering techniques tuned to work as low as middle
end handheld devices - without compromising with the possibilities given
for higher end desktop games of course. Great times ahead for the Godot
community and the gamers that will play our games!
(cherry picked from commit c7bc44d5ad)
434 lines
8.8 KiB
C++
434 lines
8.8 KiB
C++
/*************************************************************************/
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/* path_db.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) 2007-2017 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 "path_db.h"
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#include "print_string.h"
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uint32_t NodePath::hash() const {
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if (!data)
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return 0;
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uint32_t h = data->absolute ? 1 : 0;
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int pc = data->path.size();
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const StringName *sn = data->path.ptr();
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for(int i=0;i<pc;i++) {
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h = h ^ sn[i].hash();
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}
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int spc = data->subpath.size();
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const StringName *ssn = data->subpath.ptr();
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for(int i=0;i<spc;i++) {
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h = h ^ ssn[i].hash();
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}
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h = h ^ data->property.hash();
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return h;
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}
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void NodePath::prepend_period() {
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if (data->path.size() && data->path[0].operator String()!=".") {
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data->path.insert(0,".");
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}
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}
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bool NodePath::is_absolute() const {
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if (!data)
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return false;
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return data->absolute;
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}
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int NodePath::get_name_count() const {
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if (!data)
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return 0;
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return data->path.size();
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}
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StringName NodePath::get_name(int p_idx) const {
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ERR_FAIL_COND_V(!data,StringName());
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ERR_FAIL_INDEX_V(p_idx,data->path.size(),StringName());
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return data->path[p_idx];
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}
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StringName NodePath::get_property() const {
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if (!data)
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return StringName();
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return data->property;
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}
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int NodePath::get_subname_count() const {
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if (!data)
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return 0;
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return data->subpath.size();
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}
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StringName NodePath::get_subname(int p_idx) const {
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ERR_FAIL_COND_V(!data,StringName());
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ERR_FAIL_INDEX_V(p_idx,data->subpath.size(),StringName());
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return data->subpath[p_idx];
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}
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void NodePath::unref() {
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if (data && data->refcount.unref()) {
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memdelete(data);
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}
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data=NULL;
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}
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bool NodePath::operator==(const NodePath& p_path) const {
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if (data==p_path.data)
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return true;
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if (!data || !p_path.data)
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return false;
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if (data->absolute != p_path.data->absolute)
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return false;
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if (data->path.size() != p_path.data->path.size())
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return false;
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if (data->subpath.size() != p_path.data->subpath.size())
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return false;
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if (data->property != p_path.data->property)
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return false;
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for (int i=0;i<data->path.size();i++) {
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if (data->path[i]!=p_path.data->path[i])
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return false;
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}
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for (int i=0;i<data->subpath.size();i++) {
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if (data->subpath[i]!=p_path.data->subpath[i])
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return false;
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}
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return true;
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}
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bool NodePath::operator!=(const NodePath& p_path) const {
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return (!(*this == p_path));
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}
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void NodePath::operator=(const NodePath& p_path) {
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if (this==&p_path)
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return;
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unref();
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if (p_path.data && p_path.data->refcount.ref()) {
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data=p_path.data;
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}
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}
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NodePath::operator String() const {
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if (!data)
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return String();
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String ret;
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if (data->absolute)
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ret="/";
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for (int i=0;i<data->path.size();i++) {
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if (i>0)
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ret+="/";
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ret+=data->path[i].operator String();
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}
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for (int i=0;i<data->subpath.size();i++) {
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ret+=":"+data->subpath[i].operator String();
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}
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if (data->property.operator String()!="")
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ret+=":"+String(data->property);
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return ret;
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}
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NodePath::NodePath(const NodePath& p_path) {
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data=NULL;
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if (p_path.data && p_path.data->refcount.ref()) {
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data=p_path.data;
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}
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}
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Vector<StringName> NodePath::get_names() const {
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if (data)
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return data->path;
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return Vector<StringName>();
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}
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Vector<StringName> NodePath::get_subnames() const{
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if (data)
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return data->subpath;
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return Vector<StringName>();
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}
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NodePath NodePath::rel_path_to(const NodePath& p_np) const {
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ERR_FAIL_COND_V( !is_absolute(), NodePath() );
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ERR_FAIL_COND_V( !p_np.is_absolute(), NodePath() );
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Vector<StringName> src_dirs = get_names();
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Vector<StringName> dst_dirs = p_np.get_names();
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//find common parent
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int common_parent=0;
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while(true) {
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if (src_dirs.size()==common_parent)
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break;
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if (dst_dirs.size()==common_parent)
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break;
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if (src_dirs[common_parent]!=dst_dirs[common_parent])
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break;
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common_parent++;
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}
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common_parent--;
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Vector<StringName> relpath;
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for(int i=src_dirs.size()-1;i>common_parent;i--) {
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relpath.push_back("..");
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}
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for(int i=common_parent+1;i<dst_dirs.size();i++) {
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relpath.push_back(dst_dirs[i]);
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}
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if (relpath.size()==0)
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relpath.push_back(".");
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return NodePath(relpath,p_np.get_subnames(),false,p_np.get_property());
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}
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NodePath::NodePath(const Vector<StringName>& p_path,bool p_absolute,const String& p_property) {
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data=NULL;
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if (p_path.size()==0)
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return;
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data = memnew( Data );
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data->refcount.init();
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data->absolute=p_absolute;
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data->path=p_path;
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data->property=p_property;
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}
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NodePath::NodePath(const Vector<StringName>& p_path,const Vector<StringName>& p_subpath,bool p_absolute,const String& p_property) {
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data=NULL;
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if (p_path.size()==0)
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return;
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data = memnew( Data );
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data->refcount.init();
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data->absolute=p_absolute;
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data->path=p_path;
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data->subpath=p_subpath;
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data->property=p_property;
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}
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void NodePath::simplify() {
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if (!data)
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return;
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for(int i=0;i<data->path.size();i++) {
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if (data->path.size()==1)
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break;
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if (data->path[i].operator String()==".") {
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data->path.remove(i);
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i--;
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} else if (data->path[i].operator String()==".." && i>0 && data->path[i-1].operator String()!="." && data->path[i-1].operator String()!="..") {
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//remove both
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data->path.remove(i-1);
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data->path.remove(i-1);
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i-=2;
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if (data->path.size()==0) {
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data->path.push_back(".");
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break;
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}
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}
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}
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}
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NodePath NodePath::simplified() const {
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NodePath np=*this;
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np.simplify();
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return np;
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}
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NodePath::NodePath(const String& p_path) {
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data=NULL;
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if (p_path.length()==0)
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return;
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String path=p_path;
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StringName property;
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Vector<StringName> subpath;
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int absolute=(path[0]=='/')?1:0;;
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bool last_is_slash=true;
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int slices=0;
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int subpath_pos=path.find(":");
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if (subpath_pos!=-1) {
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int from=subpath_pos+1;
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for (int i=from;i<=path.length();i++) {
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if (path[i]==':' || path[i]==0) {
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String str = path.substr(from,i-from);
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if (path[i]==':') {
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if (str=="") {
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ERR_EXPLAIN("Invalid NodePath: "+p_path);
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ERR_FAIL();
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}
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subpath.push_back(str);
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} else {
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//property can be empty
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property=str;
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}
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from=i+1;
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}
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}
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path=path.substr(0,subpath_pos);
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}
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for (int i=absolute;i<path.length();i++) {
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if (path[i]=='/') {
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last_is_slash=true;
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} else {
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if (last_is_slash)
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slices++;
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last_is_slash=false;
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}
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}
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if (slices==0 && !absolute && !property)
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return;
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data = memnew( Data );
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data->refcount.init();
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data->absolute=absolute?true:false;
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data->property=property;
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data->subpath=subpath;
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if (slices==0)
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return;
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data->path.resize(slices);
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last_is_slash=true;
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int from=absolute;
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int slice=0;
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for (int i=absolute;i<path.length()+1;i++) {
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if (path[i]=='/' || path[i]==0) {
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if (!last_is_slash) {
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String name=path.substr(from,i-from);
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ERR_FAIL_INDEX( slice,data->path.size() );
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data->path[slice++]=name;
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}
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from=i+1;
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last_is_slash=true;
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} else {
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last_is_slash=false;
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}
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}
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}
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bool NodePath::is_empty() const {
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return !data;
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}
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NodePath::NodePath() {
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data=NULL;
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}
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NodePath::~NodePath() {
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unref();
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}
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