virtualx-engine/scene/resources/scene_preloader.cpp

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2014-02-10 02:10:30 +01:00
/*************************************************************************/
/* scene_preloader.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
2015-04-18 19:38:54 +02:00
/* Copyright (c) 2007-2015 Juan Linietsky, Ariel Manzur. */
2014-02-10 02:10:30 +01:00
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "scene_preloader.h"
#include "globals.h"
bool ScenePreloader::can_instance() const {
return nodes.size()>0;
}
Node *ScenePreloader::instance() const {
int nc = nodes.size();
ERR_FAIL_COND_V(nc==0,NULL);
const StringName*snames=NULL;
int sname_count=names.size();
if (sname_count)
snames=&names[0];
const Variant*props=NULL;
int prop_count=variants.size();
if (prop_count)
props=&variants[0];
Vector<Variant> properties;
const NodeData *nd = &nodes[0];
Node **ret_nodes=(Node**)alloca( sizeof(Node*)*nc );
for(int i=0;i<nc;i++) {
const NodeData &n=nd[i];
if (!ObjectTypeDB::is_type_enabled(snames[n.type])) {
ret_nodes[i]=NULL;
continue;
}
Object * obj = ObjectTypeDB::instance(snames[ n.type ]);
ERR_FAIL_COND_V(!obj,NULL);
Node *node = obj->cast_to<Node>();
ERR_FAIL_COND_V(!node,NULL);
int nprop_count=n.properties.size();
if (nprop_count) {
const NodeData::Property* nprops=&n.properties[0];
for(int j=0;j<nprop_count;j++) {
bool valid;
node->set(snames[ nprops[j].name ],props[ nprops[j].value ],&valid);
}
}
node->set_name( snames[ n.name ] );
ret_nodes[i]=node;
if (i>0) {
ERR_FAIL_INDEX_V(n.parent,i,NULL);
ERR_FAIL_COND_V(!ret_nodes[n.parent],NULL);
ret_nodes[n.parent]->add_child(node);
}
}
//do connections
int cc = connections.size();
const ConnectionData *cdata = connections.ptr();
for(int i=0;i<cc;i++) {
const ConnectionData &c=cdata[i];
ERR_FAIL_INDEX_V( c.from, nc, NULL );
ERR_FAIL_INDEX_V( c.to, nc, NULL );
Vector<Variant> binds;
if (c.binds.size()) {
binds.resize(c.binds.size());
for(int j=0;j<c.binds.size();j++)
binds[j]=props[ c.binds[j] ];
}
if (!ret_nodes[c.from] || !ret_nodes[c.to])
continue;
ret_nodes[c.from]->connect( snames[ c.signal], ret_nodes[ c.to ], snames[ c.method], binds,CONNECT_PERSIST );
}
return ret_nodes[0];
}
static int _nm_get_string(const String& p_string, Map<StringName,int> &name_map) {
if (name_map.has(p_string))
return name_map[p_string];
int idx = name_map.size();
name_map[p_string]=idx;
return idx;
}
static int _vm_get_variant(const Variant& p_variant, HashMap<Variant,int,VariantHasher> &variant_map) {
if (variant_map.has(p_variant))
return variant_map[p_variant];
int idx = variant_map.size();
variant_map[p_variant]=idx;
return idx;
}
void ScenePreloader::_parse_node(Node *p_owner,Node *p_node,int p_parent_idx, Map<StringName,int> &name_map,HashMap<Variant,int,VariantHasher> &variant_map,Map<Node*,int> &node_map) {
if (p_node!=p_owner && !p_node->get_owner())
return;
NodeData nd;
nd.name=_nm_get_string(p_node->get_name(),name_map);
nd.type=_nm_get_string(p_node->get_type(),name_map);
nd.parent=p_parent_idx;
List<PropertyInfo> plist;
p_node->get_property_list(&plist);
for (List<PropertyInfo>::Element *E=plist.front();E;E=E->next()) {
if (!(E->get().usage & PROPERTY_USAGE_STORAGE))
continue;
NodeData::Property prop;
prop.name=_nm_get_string(E->get().name,name_map);
prop.value=_vm_get_variant( p_node->get( E->get().name ), variant_map);
nd.properties.push_back(prop);
}
int idx = nodes.size();
node_map[p_node]=idx;
nodes.push_back(nd);
for(int i=0;i<p_node->get_child_count();i++) {
Node *c=p_node->get_child(i);
_parse_node(p_owner,c,idx,name_map,variant_map,node_map);
}
}
void ScenePreloader::_parse_connections(Node *p_node, Map<StringName,int> &name_map,HashMap<Variant,int,VariantHasher> &variant_map,Map<Node*,int> &node_map,bool p_instance) {
List<MethodInfo> signals;
p_node->get_signal_list(&signals);
for(List<MethodInfo>::Element *E=signals.front();E;E=E->next()) {
List<Node::Connection> conns;
p_node->get_signal_connection_list(E->get().name,&conns);
for(List<Node::Connection>::Element *F=conns.front();F;F=F->next()) {
const Node::Connection &c = F->get();
if (!(c.flags&CONNECT_PERSIST))
continue;
Node *n=c.target->cast_to<Node>();
if (!n)
continue;
if (!node_map.has(n))
continue;
ConnectionData cd;
cd.from=node_map[p_node];
cd.to=node_map[n];
cd.method=_nm_get_string(c.method,name_map);
cd.signal=_nm_get_string(c.signal,name_map);
for(int i=0;i<c.binds.size();i++) {
cd.binds.push_back( _vm_get_variant(c.binds[i],variant_map));
}
connections.push_back(cd);
}
}
}
Error ScenePreloader::load_scene(const String& p_path) {
return ERR_CANT_OPEN;
#if 0
if (path==p_path)
return OK;
String p=Globals::get_singleton()->localize_path(p_path);
clear();
Node *scene = SceneLoader::load(p);
ERR_FAIL_COND_V(!scene,ERR_CANT_OPEN);
path=p;
Map<StringName,int> name_map;
HashMap<Variant,int,VariantHasher> variant_map;
Map<Node*,int> node_map;
_parse_node(scene,scene,-1,name_map,variant_map,node_map);
names.resize(name_map.size());
for(Map<StringName,int>::Element *E=name_map.front();E;E=E->next()) {
names[E->get()]=E->key();
}
variants.resize(variant_map.size());
const Variant *K=NULL;
while((K=variant_map.next(K))) {
int idx = variant_map[*K];
variants[idx]=*K;
}
memdelete(scene); // <- me falto esto :(
return OK;
#endif
}
String ScenePreloader::get_scene_path() const {
return path;
}
void ScenePreloader::clear() {
names.clear();
variants.clear();
nodes.clear();
connections.clear();
}
void ScenePreloader::_set_bundled_scene(const Dictionary& d) {
ERR_FAIL_COND( !d.has("names"));
ERR_FAIL_COND( !d.has("variants"));
ERR_FAIL_COND( !d.has("node_count"));
ERR_FAIL_COND( !d.has("nodes"));
ERR_FAIL_COND( !d.has("conn_count"));
ERR_FAIL_COND( !d.has("conns"));
ERR_FAIL_COND( !d.has("path"));
DVector<String> snames = d["names"];
if (snames.size()) {
int namecount = snames.size();
names.resize(namecount);
DVector<String>::Read r =snames.read();
for(int i=0;i<names.size();i++)
names[i]=r[i];
}
Array svariants = d["variants"];
if (svariants.size()) {
int varcount=svariants.size();
variants.resize(varcount);
for(int i=0;i<varcount;i++) {
variants[i]=svariants[i];
}
} else {
variants.clear();
}
nodes.resize(d["node_count"]);
int nc=nodes.size();
if (nc) {
DVector<int> snodes = d["nodes"];
DVector<int>::Read r = snodes.read();
int idx=0;
for(int i=0;i<nc;i++) {
NodeData &nd = nodes[i];
nd.parent=r[idx++];
nd.type=r[idx++];
nd.name=r[idx++];
nd.properties.resize(r[idx++]);
for(int j=0;j<nd.properties.size();j++) {
nd.properties[j].name=r[idx++];
nd.properties[j].value=r[idx++];
}
}
}
connections.resize(d["conn_count"]);
int cc=connections.size();
if (cc) {
DVector<int> sconns = d["conns"];
DVector<int>::Read r = sconns.read();
int idx=0;
for(int i=0;i<nc;i++) {
ConnectionData &cd = connections[nc];
cd.from=r[idx++];
cd.to=r[idx++];
cd.signal=r[idx++];
cd.method=r[idx++];
cd.binds.resize(r[idx++]);
for(int j=0;j<cd.binds.size();j++) {
cd.binds[j]=r[idx++];
}
}
}
path=d["path"];
}
Dictionary ScenePreloader::_get_bundled_scene() const {
DVector<String> rnames;
rnames.resize(names.size());
if (names.size()) {
DVector<String>::Write r=rnames.write();
for(int i=0;i<names.size();i++)
r[i]=names[i];
}
Dictionary d;
d["names"]=rnames;
d["variants"]=variants;
Vector<int> rnodes;
d["node_count"]=nodes.size();
for(int i=0;i<nodes.size();i++) {
const NodeData &nd=nodes[i];
rnodes.push_back(nd.parent);
rnodes.push_back(nd.type);
rnodes.push_back(nd.name);
rnodes.push_back(nd.properties.size());
for(int j=0;j<nd.properties.size();j++) {
rnodes.push_back(nd.properties[j].name);
rnodes.push_back(nd.properties[j].value);
}
}
d["nodes"]=rnodes;
Vector<int> rconns;
d["conn_count"]=connections.size();
for(int i=0;i<connections.size();i++) {
const ConnectionData &cd=connections[i];
rconns.push_back(cd.from);
rconns.push_back(cd.to);
rconns.push_back(cd.signal);
rconns.push_back(cd.method);
rconns.push_back(cd.binds.size());
for(int j=0;j<cd.binds.size();i++)
rconns.push_back(cd.binds[j]);
}
d["conns"]=rconns;
d["path"]=path;
return d;
}
void ScenePreloader::_bind_methods() {
ObjectTypeDB::bind_method(_MD("load_scene","path"),&ScenePreloader::load_scene);
ObjectTypeDB::bind_method(_MD("get_scene_path"),&ScenePreloader::get_scene_path);
ObjectTypeDB::bind_method(_MD("instance:Node"),&ScenePreloader::instance);
ObjectTypeDB::bind_method(_MD("can_instance"),&ScenePreloader::can_instance);
ObjectTypeDB::bind_method(_MD("_set_bundled_scene"),&ScenePreloader::_set_bundled_scene);
ObjectTypeDB::bind_method(_MD("_get_bundled_scene"),&ScenePreloader::_get_bundled_scene);
ADD_PROPERTY( PropertyInfo(Variant::DICTIONARY,"_bundled",PROPERTY_HINT_NONE,"",PROPERTY_USAGE_BUNDLE),_SCS("_set_bundled_scene"),_SCS("_get_bundled_scene"));
#if 0
List<String> extensions;
SceneLoader::get_recognized_extensions(&extensions);
String exthint;
for (List<String>::Element*E=extensions.front();E;E=E->next()) {
if (exthint!="")
exthint+=",";
exthint+="*."+E->get();
}
exthint+="; Scenes";
ADD_PROPERTY( PropertyInfo(Variant::STRING,"scene",PROPERTY_HINT_FILE,exthint),_SCS("load_scene"),_SCS("get_scene_path"));
#endif
}
ScenePreloader::ScenePreloader() {
}