godot/scene/resources/scene_format_text.cpp

1462 lines
35 KiB
C++

/*************************************************************************/
/* scene_format_text.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur. */
/* */
/* 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_format_text.h"
#include "globals.h"
#include "version.h"
#include "os/dir_access.h"
#define FORMAT_VERSION 1
#include "version.h"
#include "os/dir_access.h"
#define _printerr() ERR_PRINT(String(res_path+":"+itos(lines)+" - Parse Error: "+error_text).utf8().get_data());
///
void ResourceInteractiveLoaderText::set_local_path(const String& p_local_path) {
res_path=p_local_path;
}
Ref<Resource> ResourceInteractiveLoaderText::get_resource() {
return resource;
}
Error ResourceInteractiveLoaderText::_parse_sub_resource(VariantParser::Stream* p_stream,Ref<Resource>& r_res,int &line,String &r_err_str) {
VariantParser::Token token;
VariantParser::get_token(p_stream,token,line,r_err_str);
if (token.type!=VariantParser::TK_NUMBER) {
r_err_str="Expected number (sub-resource index)";
return ERR_PARSE_ERROR;
}
int index = token.value;
String path = local_path+"::"+itos(index);
if (!ResourceCache::has(path)) {
r_err_str="Can't load cached sub-resource: "+path;
return ERR_PARSE_ERROR;
}
r_res=RES(ResourceCache::get(path));
VariantParser::get_token(p_stream,token,line,r_err_str);
if (token.type!=VariantParser::TK_PARENTHESIS_CLOSE) {
r_err_str="Expected ')'";
return ERR_PARSE_ERROR;
}
return OK;
}
Error ResourceInteractiveLoaderText::_parse_ext_resource(VariantParser::Stream* p_stream,Ref<Resource>& r_res,int &line,String &r_err_str){
VariantParser::Token token;
VariantParser::get_token(p_stream,token,line,r_err_str);
if (token.type!=VariantParser::TK_NUMBER) {
r_err_str="Expected number (sub-resource index)";
return ERR_PARSE_ERROR;
}
int id = token.value;
if (!ext_resources.has(id)) {
r_err_str="Can't load cached ext-resource #"+itos(id);
return ERR_PARSE_ERROR;
}
String path = ext_resources[id].path;
String type = ext_resources[id].type;
if (path.find("://")==-1 && path.is_rel_path()) {
// path is relative to file being loaded, so convert to a resource path
path=Globals::get_singleton()->localize_path(res_path.get_base_dir().plus_file(path));
}
r_res=ResourceLoader::load(path,type);
if (r_res.is_null()) {
WARN_PRINT(String("Couldn't load external resource: "+path).utf8().get_data());
}
VariantParser::get_token(p_stream,token,line,r_err_str);
if (token.type!=VariantParser::TK_PARENTHESIS_CLOSE) {
r_err_str="Expected ')'";
return ERR_PARSE_ERROR;
}
return OK;
}
Error ResourceInteractiveLoaderText::poll() {
if (error!=OK)
return error;
if (next_tag.name=="ext_resource") {
if (!next_tag.fields.has("path")) {
error=ERR_FILE_CORRUPT;
error_text="Missing 'path' in external resource tag";
_printerr();
return error;
}
if (!next_tag.fields.has("type")) {
error=ERR_FILE_CORRUPT;
error_text="Missing 'type' in external resource tag";
_printerr();
return error;
}
if (!next_tag.fields.has("id")) {
error=ERR_FILE_CORRUPT;
error_text="Missing 'id' in external resource tag";
_printerr();
return error;
}
String path=next_tag.fields["path"];
String type=next_tag.fields["type"];
int index=next_tag.fields["id"];
if (path.find("://")==-1 && path.is_rel_path()) {
// path is relative to file being loaded, so convert to a resource path
path=Globals::get_singleton()->localize_path(local_path.get_base_dir().plus_file(path));
}
if (remaps.has(path)) {
path=remaps[path];
}
RES res = ResourceLoader::load(path,type);
if (res.is_null()) {
if (ResourceLoader::get_abort_on_missing_resources()) {
error=ERR_FILE_CORRUPT;
error_text="[ext_resource] referenced nonexistent resource at: "+path;
_printerr();
return error;
} else {
ResourceLoader::notify_dependency_error(local_path,path,type);
}
} else {
resource_cache.push_back(res);
}
ExtResource er;
er.path=path;
er.type=type;
ext_resources[index]=er;
error = VariantParser::parse_tag(&stream,lines,error_text,next_tag,&rp);
if (error) {
_printerr();
}
resource_current++;
return error;
} else if (next_tag.name=="sub_resource") {
if (!next_tag.fields.has("type")) {
error=ERR_FILE_CORRUPT;
error_text="Missing 'type' in external resource tag";
_printerr();
return error;
}
if (!next_tag.fields.has("id")) {
error=ERR_FILE_CORRUPT;
error_text="Missing 'index' in external resource tag";
_printerr();
return error;
}
String type=next_tag.fields["type"];
int id=next_tag.fields["id"];
String path = local_path+"::"+itos(id);
//bool exists=ResourceCache::has(path);
Ref<Resource> res;
if ( !ResourceCache::has(path)) { //only if it doesn't exist
Object *obj = ObjectTypeDB::instance(type);
if (!obj) {
error_text+="Can't create sub resource of type: "+type;
_printerr();
error=ERR_FILE_CORRUPT;
return error;
}
Resource *r = obj->cast_to<Resource>();
if (!r) {
error_text+="Can't create sub resource of type, because not a resource: "+type;
_printerr();
error=ERR_FILE_CORRUPT;
return error;
}
res=Ref<Resource>(r);
resource_cache.push_back(res);
res->set_path(path);
}
resource_current++;
while(true) {
String assign;
Variant value;
error = VariantParser::parse_tag_assign_eof(&stream,lines,error_text,next_tag,assign,value,&rp);
if (error) {
_printerr();
return error;
}
if (assign!=String()) {
if (res.is_valid()) {
res->set(assign,value);
}
//it's assignment
} else if (next_tag.name!=String()) {
error=OK;
break;
} else {
error=ERR_FILE_CORRUPT;
error_text="Premature end of file while parsing [sub_resource]";
_printerr();
return error;
}
}
return OK;
} else if (next_tag.name=="resource") {
if (is_scene) {
error_text+="found the 'resource' tag on a scene file!";
_printerr();
error=ERR_FILE_CORRUPT;
return error;
}
Object *obj = ObjectTypeDB::instance(res_type);
if (!obj) {
error_text+="Can't create sub resource of type: "+res_type;
_printerr();
error=ERR_FILE_CORRUPT;
return error;
}
Resource *r = obj->cast_to<Resource>();
if (!r) {
error_text+="Can't create sub resource of type, because not a resource: "+res_type;
_printerr();
error=ERR_FILE_CORRUPT;
return error;
}
resource=Ref<Resource>(r);
resource_current++;
while(true) {
String assign;
Variant value;
error = VariantParser::parse_tag_assign_eof(&stream,lines,error_text,next_tag,assign,value,&rp);
if (error) {
if (error!=ERR_FILE_EOF) {
_printerr();
} else {
if (!ResourceCache::has(res_path)) {
resource->set_path(res_path);
}
}
return error;
}
if (assign!=String()) {
resource->set(assign,value);
//it's assignment
} else if (next_tag.name!=String()) {
error=ERR_FILE_CORRUPT;
error_text="Extra tag found when parsing main resource file";
_printerr();
return error;
} else {
error=ERR_FILE_EOF;
return error;
}
}
return OK;
} else if (next_tag.name=="node") {
if (!is_scene) {
error_text+="found the 'node' tag on a resource file!";
_printerr();
error=ERR_FILE_CORRUPT;
return error;
}
/*
int add_name(const StringName& p_name);
int add_value(const Variant& p_value);
int add_node_path(const NodePath& p_path);
int add_node(int p_parent,int p_owner,int p_type,int p_name, int p_instance);
void add_node_property(int p_node,int p_name,int p_value);
void add_node_group(int p_node,int p_group);
void set_base_scene(int p_idx);
void add_connection(int p_from,int p_to, int p_signal, int p_method, int p_flags,const Vector<int>& p_binds);
void add_editable_instance(const NodePath& p_path);
*/
int parent=-1;
int owner=-1;
int type=-1;
int name=-1;
int instance=-1;
// int base_scene=-1;
if (next_tag.fields.has("name")) {
name=packed_scene->get_state()->add_name(next_tag.fields["name"]);
}
if (next_tag.fields.has("parent")) {
parent=packed_scene->get_state()->add_node_path(next_tag.fields["parent"]);
}
if (next_tag.fields.has("type")) {
type=packed_scene->get_state()->add_name(next_tag.fields["type"]);
} else {
type=SceneState::TYPE_INSTANCED; //no type? assume this was instanced
}
if (next_tag.fields.has("instance")) {
instance=packed_scene->get_state()->add_value(next_tag.fields["instance"]);
if (packed_scene->get_state()->get_node_count()==0 && parent==-1) {
packed_scene->get_state()->set_base_scene(instance);
instance=-1;
}
}
if (next_tag.fields.has("instance_placeholder")) {
String path=next_tag.fields["instance_placeholder"];
int path_v = packed_scene->get_state()->add_value(path);
if (packed_scene->get_state()->get_node_count()==0) {
error=ERR_FILE_CORRUPT;
error_text="Instance Placeholder can't be used for inheritance.";
_printerr();
return error;
}
instance=path_v|SceneState::FLAG_INSTANCE_IS_PLACEHOLDER;
}
if (next_tag.fields.has("owner")) {
owner=packed_scene->get_state()->add_node_path(next_tag.fields["owner"]);
} else {
if (parent!=-1 && !(type==SceneState::TYPE_INSTANCED && instance==-1))
owner=0; //if no owner, owner is root
}
int node_id = packed_scene->get_state()->add_node(parent,owner,type,name,instance);
if (next_tag.fields.has("groups")) {
Array groups = next_tag.fields["groups"];
for (int i=0;i<groups.size();i++) {
packed_scene->get_state()->add_node_group(node_id,packed_scene->get_state()->add_name(groups[i]));
}
}
while(true) {
String assign;
Variant value;
error = VariantParser::parse_tag_assign_eof(&stream,lines,error_text,next_tag,assign,value,&rp);
if (error) {
if (error!=ERR_FILE_EOF) {
_printerr();
} else {
resource=packed_scene;
if (!ResourceCache::has(res_path)) {
packed_scene->set_path(res_path);
}
}
return error;
}
if (assign!=String()) {
int nameidx = packed_scene->get_state()->add_name(assign);
int valueidx = packed_scene->get_state()->add_value(value);
packed_scene->get_state()->add_node_property(node_id,nameidx,valueidx);
//it's assignment
} else if (next_tag.name!=String()) {
error=OK;
return error;
} else {
resource=packed_scene;
error=ERR_FILE_EOF;
return error;
}
}
return OK;
} else if (next_tag.name=="connection") {
if (!is_scene) {
error_text+="found the 'connection' tag on a resource file!";
_printerr();
error=ERR_FILE_CORRUPT;
return error;
}
if (!next_tag.fields.has("from")) {
error=ERR_FILE_CORRUPT;
error_text="missing 'from' field fron connection tag";
return error;
}
if (!next_tag.fields.has("to")) {
error=ERR_FILE_CORRUPT;
error_text="missing 'to' field fron connection tag";
return error;
}
if (!next_tag.fields.has("signal")) {
error=ERR_FILE_CORRUPT;
error_text="missing 'signal' field fron connection tag";
return error;
}
if (!next_tag.fields.has("method")) {
error=ERR_FILE_CORRUPT;
error_text="missing 'method' field fron connection tag";
return error;
}
NodePath from = next_tag.fields["from"];
NodePath to = next_tag.fields["to"];
StringName method = next_tag.fields["method"];
StringName signal = next_tag.fields["signal"];
int flags=CONNECT_PERSIST;
Array binds;
if (next_tag.fields.has("flags")) {
flags=next_tag.fields["flags"];
}
if (next_tag.fields.has("binds")) {
binds=next_tag.fields["binds"];
}
Vector<int> bind_ints;
for(int i=0;i<binds.size();i++) {
bind_ints.push_back( packed_scene->get_state()->add_value( binds[i] ) );
}
packed_scene->get_state()->add_connection(
packed_scene->get_state()->add_node_path(from.simplified()),
packed_scene->get_state()->add_node_path(to.simplified()),
packed_scene->get_state()->add_name(signal),
packed_scene->get_state()->add_name(method),
flags,
bind_ints
);
error = VariantParser::parse_tag(&stream,lines,error_text,next_tag,&rp);
if (error) {
if (error!=ERR_FILE_EOF) {
_printerr();
} else {
resource=packed_scene;
}
}
return error;
} else if (next_tag.name=="editable") {
if (!is_scene) {
error_text+="found the 'editable' tag on a resource file!";
_printerr();
error=ERR_FILE_CORRUPT;
return error;
}
if (!next_tag.fields.has("path")) {
error=ERR_FILE_CORRUPT;
error_text="missing 'path' field fron connection tag";
_printerr();
return error;
}
NodePath path = next_tag.fields["path"];
packed_scene->get_state()->add_editable_instance(path.simplified());
error = VariantParser::parse_tag(&stream,lines,error_text,next_tag,&rp);
if (error) {
if (error!=ERR_FILE_EOF) {
_printerr();
} else {
resource=packed_scene;
}
}
return error;
} else {
error_text+="Unknown tag in file: "+next_tag.name;
_printerr();
error=ERR_FILE_CORRUPT;
return error;
}
return OK;
}
int ResourceInteractiveLoaderText::get_stage() const {
return resource_current;
}
int ResourceInteractiveLoaderText::get_stage_count() const {
return resources_total;//+ext_resources;
}
ResourceInteractiveLoaderText::~ResourceInteractiveLoaderText() {
memdelete(f);
}
void ResourceInteractiveLoaderText::get_dependencies(FileAccess *f,List<String> *p_dependencies,bool p_add_types) {
open(f);
ERR_FAIL_COND(error!=OK);
while(next_tag.name=="ext_resource") {
if (!next_tag.fields.has("type")) {
error=ERR_FILE_CORRUPT;
error_text="Missing 'type' in external resource tag";
_printerr();
return;
}
if (!next_tag.fields.has("id")) {
error=ERR_FILE_CORRUPT;
error_text="Missing 'index' in external resource tag";
_printerr();
return;
}
String path=next_tag.fields["path"];
String type=next_tag.fields["type"];
if (path.find("://")==-1 && path.is_rel_path()) {
// path is relative to file being loaded, so convert to a resource path
path=Globals::get_singleton()->localize_path(local_path.get_base_dir().plus_file(path));
}
if (p_add_types) {
path+="::"+type;
}
p_dependencies->push_back(path);
Error err = VariantParser::parse_tag(&stream,lines,error_text,next_tag,&rp);
if (err) {
error_text="Unexpected end of file";
_printerr();
error=ERR_FILE_CORRUPT;
}
}
}
Error ResourceInteractiveLoaderText::rename_dependencies(FileAccess *p_f, const String &p_path,const Map<String,String>& p_map) {
open(p_f,true);
ERR_FAIL_COND_V(error!=OK,error);
//FileAccess
FileAccess *fw = NULL;
String base_path=local_path.get_base_dir();
uint64_t tag_end = f->get_pos();
while(true) {
Error err = VariantParser::parse_tag(&stream,lines,error_text,next_tag,&rp);
if (err!=OK) {
if (fw) {
memdelete(fw);
}
error=ERR_FILE_CORRUPT;
ERR_FAIL_V(error);
}
if (next_tag.name!="ext_resource") {
//nothing was done
if (!fw)
return OK;
break;
} else {
if (!fw) {
fw=FileAccess::open(p_path+".depren",FileAccess::WRITE);
if (is_scene) {
fw->store_line("[gd_scene load_steps="+itos(resources_total)+" format="+itos(FORMAT_VERSION)+"]\n");
} else {
fw->store_line("[gd_resource type=\""+res_type+"\" load_steps="+itos(resources_total)+" format="+itos(FORMAT_VERSION)+"]\n");
}
}
if (!next_tag.fields.has("path") || !next_tag.fields.has("id") || !next_tag.fields.has("type")) {
memdelete(fw);
error=ERR_FILE_CORRUPT;
ERR_FAIL_V(error);
}
String path = next_tag.fields["path"];
int index = next_tag.fields["id"];
String type = next_tag.fields["type"];
bool relative=false;
if (!path.begins_with("res://")) {
path=base_path.plus_file(path).simplify_path();
relative=true;
}
if (p_map.has(path)) {
String np=p_map[path];
path=np;
}
if (relative) {
//restore relative
path=base_path.path_to_file(path);
}
fw->store_line("[ext_resource path=\""+path+"\" type=\""+type+"\" id="+itos(index)+"]");
tag_end = f->get_pos();
}
}
f->seek(tag_end);
uint8_t c=f->get_8();
while(!f->eof_reached()) {
fw->store_8(c);
c=f->get_8();
}
f->close();
bool all_ok = fw->get_error()==OK;
memdelete(fw);
if (!all_ok) {
return ERR_CANT_CREATE;
}
DirAccess *da = DirAccess::create(DirAccess::ACCESS_RESOURCES);
da->remove(p_path);
da->rename(p_path+".depren",p_path);
memdelete(da);
return OK;
}
void ResourceInteractiveLoaderText::open(FileAccess *p_f,bool p_skip_first_tag) {
error=OK;
lines=1;
f=p_f;
stream.f=f;
is_scene=false;
resource_current=0;
VariantParser::Tag tag;
Error err = VariantParser::parse_tag(&stream,lines,error_text,tag);
if (err) {
error=err;
_printerr();
return;
}
if (tag.fields.has("format")) {
int fmt = tag.fields["format"];
if (fmt>FORMAT_VERSION) {
error_text="Saved with newer format version";
_printerr();
error=ERR_PARSE_ERROR;
return;
}
}
if (tag.name=="gd_scene") {
is_scene=true;
packed_scene.instance();
} else if (tag.name=="gd_resource") {
if (!tag.fields.has("type")) {
error_text="Missing 'type' field in 'gd_resource' tag";
_printerr();
error=ERR_PARSE_ERROR;
return;
}
res_type=tag.fields["type"];
} else {
error_text="Unrecognized file type: "+tag.name;
_printerr();
error=ERR_PARSE_ERROR;
return;
}
if (tag.fields.has("load_steps")) {
resources_total=tag.fields["load_steps"];
} else {
resources_total=0;
}
if (!p_skip_first_tag) {
err = VariantParser::parse_tag(&stream,lines,error_text,next_tag,&rp);
if (err) {
error_text="Unexpected end of file";
_printerr();
error=ERR_FILE_CORRUPT;
}
}
rp.ext_func=_parse_ext_resources;
rp.sub_func=_parse_sub_resources;
rp.func=NULL;
rp.userdata=this;
}
String ResourceInteractiveLoaderText::recognize(FileAccess *p_f) {
error=OK;
lines=1;
f=p_f;
stream.f=f;
VariantParser::Tag tag;
Error err = VariantParser::parse_tag(&stream,lines,error_text,tag);
if (err) {
_printerr();
return "";
}
if (tag.fields.has("format")) {
int fmt = tag.fields["format"];
if (fmt>FORMAT_VERSION) {
error_text="Saved with newer format version";
_printerr();
return "";
}
}
if (tag.name=="gd_scene")
return "PackedScene";
if (tag.name!="gd_resource")
return "";
if (!tag.fields.has("type")) {
error_text="Missing 'type' field in 'gd_resource' tag";
_printerr();
return "";
}
return tag.fields["type"];
}
/////////////////////
Ref<ResourceInteractiveLoader> ResourceFormatLoaderText::load_interactive(const String &p_path, Error *r_error) {
if (r_error)
*r_error=ERR_CANT_OPEN;
Error err;
FileAccess *f = FileAccess::open(p_path,FileAccess::READ,&err);
if (err!=OK) {
ERR_FAIL_COND_V(err!=OK,Ref<ResourceInteractiveLoader>());
}
Ref<ResourceInteractiveLoaderText> ria = memnew( ResourceInteractiveLoaderText );
ria->local_path=Globals::get_singleton()->localize_path(p_path);
ria->res_path=ria->local_path;
// ria->set_local_path( Globals::get_singleton()->localize_path(p_path) );
ria->open(f);
return ria;
}
void ResourceFormatLoaderText::get_recognized_extensions_for_type(const String& p_type,List<String> *p_extensions) const {
if (p_type=="") {
get_recognized_extensions(p_extensions);
return;
}
if (p_type=="PackedScene")
p_extensions->push_back("tscn");
else
p_extensions->push_back("tres");
}
void ResourceFormatLoaderText::get_recognized_extensions(List<String> *p_extensions) const{
p_extensions->push_back("tscn");
p_extensions->push_back("tres");
}
bool ResourceFormatLoaderText::handles_type(const String& p_type) const{
return true;
}
String ResourceFormatLoaderText::get_resource_type(const String &p_path) const{
String ext=p_path.extension().to_lower();
if (ext=="tscn")
return "PackedScene";
else if (ext!="tres")
return String();
//for anyhting else must test..
FileAccess *f = FileAccess::open(p_path,FileAccess::READ);
if (!f) {
return ""; //could not rwead
}
Ref<ResourceInteractiveLoaderText> ria = memnew( ResourceInteractiveLoaderText );
ria->local_path=Globals::get_singleton()->localize_path(p_path);
ria->res_path=ria->local_path;
// ria->set_local_path( Globals::get_singleton()->localize_path(p_path) );
String r = ria->recognize(f);
return r;
}
void ResourceFormatLoaderText::get_dependencies(const String& p_path,List<String> *p_dependencies,bool p_add_types) {
FileAccess *f = FileAccess::open(p_path,FileAccess::READ);
if (!f) {
ERR_FAIL();
}
Ref<ResourceInteractiveLoaderText> ria = memnew( ResourceInteractiveLoaderText );
ria->local_path=Globals::get_singleton()->localize_path(p_path);
ria->res_path=ria->local_path;
// ria->set_local_path( Globals::get_singleton()->localize_path(p_path) );
ria->get_dependencies(f,p_dependencies,p_add_types);
}
Error ResourceFormatLoaderText::rename_dependencies(const String &p_path,const Map<String,String>& p_map) {
FileAccess *f = FileAccess::open(p_path,FileAccess::READ);
if (!f) {
ERR_FAIL_V(ERR_CANT_OPEN);
}
Ref<ResourceInteractiveLoaderText> ria = memnew( ResourceInteractiveLoaderText );
ria->local_path=Globals::get_singleton()->localize_path(p_path);
ria->res_path=ria->local_path;
// ria->set_local_path( Globals::get_singleton()->localize_path(p_path) );
return ria->rename_dependencies(f,p_path,p_map);
}
/*****************************************************************************************************/
/*****************************************************************************************************/
/*****************************************************************************************************/
/*****************************************************************************************************/
/*****************************************************************************************************/
/*****************************************************************************************************/
/*****************************************************************************************************/
/*****************************************************************************************************/
/*****************************************************************************************************/
/*****************************************************************************************************/
String ResourceFormatSaverTextInstance::_write_resources(void *ud,const RES& p_resource) {
ResourceFormatSaverTextInstance *rsi=(ResourceFormatSaverTextInstance*)ud;
return rsi->_write_resource(p_resource);
}
String ResourceFormatSaverTextInstance::_write_resource(const RES& res) {
if (external_resources.has(res)) {
return "ExtResource( "+itos(external_resources[res]+1)+" )";
} else {
if (internal_resources.has(res)) {
return "SubResource( "+itos(internal_resources[res])+" )";
} else if (res->get_path().length() && res->get_path().find("::")==-1) {
//external resource
String path=relative_paths?local_path.path_to_file(res->get_path()):res->get_path();
return "Resource( \""+path+"\" )";
} else {
ERR_EXPLAIN("Resource was not pre cached for the resource section, bug?");
ERR_FAIL_V("null");
//internal resource
}
}
return "null";
}
void ResourceFormatSaverTextInstance::_find_resources(const Variant& p_variant,bool p_main) {
switch(p_variant.get_type()) {
case Variant::OBJECT: {
RES res = p_variant.operator RefPtr();
if (res.is_null() || external_resources.has(res))
return;
if (!p_main && (!bundle_resources ) && res->get_path().length() && res->get_path().find("::") == -1 ) {
int index = external_resources.size();
external_resources[res]=index;
return;
}
if (resource_set.has(res))
return;
List<PropertyInfo> property_list;
res->get_property_list( &property_list );
property_list.sort();
List<PropertyInfo>::Element *I=property_list.front();
while(I) {
PropertyInfo pi=I->get();
if (pi.usage&PROPERTY_USAGE_STORAGE || (bundle_resources && pi.usage&PROPERTY_USAGE_BUNDLE)) {
Variant v=res->get(I->get().name);
_find_resources(v);
}
I=I->next();
}
resource_set.insert( res ); //saved after, so the childs it needs are available when loaded
saved_resources.push_back(res);
} break;
case Variant::ARRAY: {
Array varray=p_variant;
int len=varray.size();
for(int i=0;i<len;i++) {
Variant v=varray.get(i);
_find_resources(v);
}
} break;
case Variant::DICTIONARY: {
Dictionary d=p_variant;
List<Variant> keys;
d.get_key_list(&keys);
for(List<Variant>::Element *E=keys.front();E;E=E->next()) {
Variant v = d[E->get()];
_find_resources(v);
}
} break;
default: {}
}
}
static String _valprop(const String& p_name) {
if (p_name.find("\"")!=-1 || p_name.find("=")!=-1 || p_name.find(" ")!=-1)
return "\""+p_name.c_escape()+"\"";
return p_name;
}
Error ResourceFormatSaverTextInstance::save(const String &p_path,const RES& p_resource,uint32_t p_flags) {
if (p_path.ends_with(".tscn")) {
packed_scene=p_resource;
}
Error err;
f = FileAccess::open(p_path, FileAccess::WRITE,&err);
ERR_FAIL_COND_V( err, ERR_CANT_OPEN );
FileAccessRef _fref(f);
local_path = Globals::get_singleton()->localize_path(p_path);
relative_paths=p_flags&ResourceSaver::FLAG_RELATIVE_PATHS;
skip_editor=p_flags&ResourceSaver::FLAG_OMIT_EDITOR_PROPERTIES;
bundle_resources=p_flags&ResourceSaver::FLAG_BUNDLE_RESOURCES;
takeover_paths=p_flags&ResourceSaver::FLAG_REPLACE_SUBRESOURCE_PATHS;
if (!p_path.begins_with("res://")) {
takeover_paths=false;
}
// save resources
_find_resources(p_resource,true);
if (packed_scene.is_valid()) {
//add instances to external resources if saving a packed scene
for(int i=0;i<packed_scene->get_state()->get_node_count();i++) {
if (packed_scene->get_state()->is_node_instance_placeholder(i))
continue;
Ref<PackedScene> instance=packed_scene->get_state()->get_node_instance(i);
if (instance.is_valid() && !external_resources.has(instance)) {
int index = external_resources.size();
external_resources[instance]=index;
}
}
}
ERR_FAIL_COND_V(err!=OK,err);
{
String title=packed_scene.is_valid()?"[gd_scene ":"[gd_resource ";
if (packed_scene.is_null())
title+="type=\""+p_resource->get_type()+"\" ";
int load_steps=saved_resources.size()+external_resources.size();
//if (packed_scene.is_valid()) {
// load_steps+=packed_scene->get_node_count();
//}
//no, better to not use load steps from nodes, no point to that
if (load_steps>1) {
title+="load_steps="+itos(load_steps)+" ";
}
title+="format="+itos(FORMAT_VERSION)+"";
//title+="engine_version=\""+itos(VERSION_MAJOR)+"."+itos(VERSION_MINOR)+"\"";
f->store_string(title);
f->store_line("]\n"); //one empty line
}
Vector<RES> sorted_er;
sorted_er.resize(external_resources.size());
for(Map<RES,int>::Element *E=external_resources.front();E;E=E->next()) {
sorted_er[E->get()]=E->key();
}
for(int i=0;i<sorted_er.size();i++) {
String p = sorted_er[i]->get_path();
f->store_string("[ext_resource path=\""+p+"\" type=\""+sorted_er[i]->get_save_type()+"\" id="+itos(i+1)+"]\n"); //bundled
}
if (external_resources.size())
f->store_line(String()); //separate
Set<int> used_indices;
for(List<RES>::Element *E=saved_resources.front();E;E=E->next()) {
RES res = E->get();
if (E->next() && (res->get_path()=="" || res->get_path().find("::") != -1 )) {
if (res->get_subindex()!=0) {
if (used_indices.has(res->get_subindex())) {
res->set_subindex(0); //repeated
} else {
used_indices.insert(res->get_subindex());
}
}
}
}
for(List<RES>::Element *E=saved_resources.front();E;E=E->next()) {
RES res = E->get();
ERR_CONTINUE(!resource_set.has(res));
bool main = (E->next()==NULL);
if (main && packed_scene.is_valid())
break; //save as a scene
if (main) {
f->store_line("[resource]\n");
} else {
String line="[sub_resource ";
if (res->get_subindex()==0) {
int new_subindex=1;
if (used_indices.size()) {
new_subindex=used_indices.back()->get()+1;
}
res->set_subindex(new_subindex);
used_indices.insert(new_subindex);
}
int idx = res->get_subindex();
line+="type=\""+res->get_type()+"\" id="+itos(idx);
f->store_line(line+"]\n");
if (takeover_paths) {
res->set_path(p_path+"::"+itos(idx),true);
}
internal_resources[res]=idx;
}
List<PropertyInfo> property_list;
res->get_property_list(&property_list);
// property_list.sort();
for(List<PropertyInfo>::Element *PE = property_list.front();PE;PE=PE->next()) {
if (skip_editor && PE->get().name.begins_with("__editor"))
continue;
if (PE->get().usage&PROPERTY_USAGE_STORAGE || (bundle_resources && PE->get().usage&PROPERTY_USAGE_BUNDLE)) {
String name = PE->get().name;
Variant value = res->get(name);
if ((PE->get().usage&PROPERTY_USAGE_STORE_IF_NONZERO && value.is_zero())||(PE->get().usage&PROPERTY_USAGE_STORE_IF_NONONE && value.is_one()) )
continue;
if (PE->get().type==Variant::OBJECT && value.is_zero() && (!PE->get().usage&PROPERTY_USAGE_STORE_IF_NULL))
continue;
String vars;
VariantWriter::write_to_string(value,vars,_write_resources,this);
f->store_string(_valprop(name)+" = "+vars+"\n");
}
}
f->store_string("\n");
}
if (packed_scene.is_valid()) {
//if this is a scene, save nodes and connections!
Ref<SceneState> state = packed_scene->get_state();
for(int i=0;i<state->get_node_count();i++) {
StringName type = state->get_node_type(i);
StringName name = state->get_node_name(i);
NodePath path = state->get_node_path(i,true);
NodePath owner = state->get_node_owner_path(i);
Ref<PackedScene> instance = state->get_node_instance(i);
String instance_placeholder = state->get_node_instance_placeholder(i);
Vector<StringName> groups = state->get_node_groups(i);
String header="[node";
header+=" name=\""+String(name)+"\"";
if (type!=StringName()) {
header+=" type=\""+String(type)+"\"";
}
if (path!=NodePath()) {
header+=" parent=\""+String(path.simplified())+"\"";
}
if (owner!=NodePath() && owner!=NodePath(".")) {
header+=" owner=\""+String(owner.simplified())+"\"";
}
if (groups.size()) {
String sgroups=" groups=[ ";
for(int j=0;j<groups.size();j++) {
if (j>0)
sgroups+=", ";
sgroups+="\""+groups[j].operator String().c_escape()+"\"";
}
sgroups+=" ]";
header+=sgroups;
}
f->store_string(header);
if (instance_placeholder!=String()) {
String vars;
f->store_string(" instance_placeholder=");
VariantWriter::write_to_string(instance_placeholder,vars,_write_resources,this);
f->store_string(vars);
}
if (instance.is_valid()) {
String vars;
f->store_string(" instance=");
VariantWriter::write_to_string(instance,vars,_write_resources,this);
f->store_string(vars);
}
f->store_line("]\n");
for(int j=0;j<state->get_node_property_count(i);j++) {
String vars;
VariantWriter::write_to_string(state->get_node_property_value(i,j),vars,_write_resources,this);
f->store_string(_valprop(String(state->get_node_property_name(i,j)))+" = "+vars+"\n");
}
if (state->get_node_property_count(i)) {
//add space
f->store_line(String());
}
}
for(int i=0;i<state->get_connection_count();i++) {
String connstr="[connection";
connstr+=" signal=\""+String(state->get_connection_signal(i))+"\"";
connstr+=" from=\""+String(state->get_connection_source(i).simplified())+"\"";
connstr+=" to=\""+String(state->get_connection_target(i).simplified())+"\"";
connstr+=" method=\""+String(state->get_connection_method(i))+"\"";
int flags = state->get_connection_flags(i);
if (flags!=Object::CONNECT_PERSIST) {
connstr+=" flags="+itos(flags);
}
Array binds=state->get_connection_binds(i);
f->store_string(connstr);
if (binds.size()) {
String vars;
VariantWriter::write_to_string(binds,vars,_write_resources,this);
f->store_string(" binds= "+vars);
}
f->store_line("]\n");
}
f->store_line(String());
Vector<NodePath> editable_instances = state->get_editable_instances();
for(int i=0;i<editable_instances.size();i++) {
f->store_line("[editable path=\""+editable_instances[i].operator String()+"\"]");
}
}
if (f->get_error()!=OK && f->get_error()!=ERR_FILE_EOF) {
f->close();
return ERR_CANT_CREATE;
}
f->close();
//memdelete(f);
return OK;
}
Error ResourceFormatSaverText::save(const String &p_path,const RES& p_resource,uint32_t p_flags) {
if (p_path.ends_with(".sct") && p_resource->get_type()!="PackedScene") {
return ERR_FILE_UNRECOGNIZED;
}
ResourceFormatSaverTextInstance saver;
return saver.save(p_path,p_resource,p_flags);
}
bool ResourceFormatSaverText::recognize(const RES& p_resource) const {
return true; // all recognized!
}
void ResourceFormatSaverText::get_recognized_extensions(const RES& p_resource,List<String> *p_extensions) const {
if (p_resource->get_type()=="PackedScene")
p_extensions->push_back("tscn"); //text scene
else
p_extensions->push_back("tres"); //text resource
}
ResourceFormatSaverText* ResourceFormatSaverText::singleton=NULL;
ResourceFormatSaverText::ResourceFormatSaverText() {
singleton=this;
}