godot/core/resource.h
2016-01-01 11:50:53 -02:00

179 lines
5.4 KiB
C++

/*************************************************************************/
/* resource.h */
/*************************************************************************/
/* 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. */
/*************************************************************************/
#ifndef RESOURCE_H
#define RESOURCE_H
#include "object.h"
#include "safe_refcount.h"
#include "ref_ptr.h"
#include "reference.h"
#include "object_type_db.h"
/**
@author Juan Linietsky <reduzio@gmail.com>
*/
#define RES_BASE_EXTENSION(m_ext)\
public:\
static void register_custom_data_to_otdb() { ObjectTypeDB::add_resource_base_extension(m_ext,get_type_static()); }\
virtual String get_base_extension() const { return m_ext; }\
private:
class ResourceImportMetadata : public Reference {
OBJ_TYPE( ResourceImportMetadata, Reference );
struct Source {
String path;
String md5;
};
Vector<Source> sources;
String editor;
Map<String,Variant> options;
StringArray _get_options() const;
protected:
virtual bool _use_builtin_script() const { return false; }
static void _bind_methods();
public:
void set_editor(const String& p_editor);
String get_editor() const;
void add_source(const String& p_path,const String& p_md5="");
String get_source_path(int p_idx) const;
String get_source_md5(int p_idx) const;
void set_source_md5(int p_idx,const String& p_md5);
void remove_source(int p_idx);
int get_source_count() const;
void set_option(const String& p_key, const Variant& p_value);
Variant get_option(const String& p_key) const;
bool has_option(const String& p_key) const;
void get_options(List<String> *r_options) const;
ResourceImportMetadata();
};
class Resource : public Reference {
OBJ_TYPE( Resource, Reference );
OBJ_CATEGORY("Resources");
RES_BASE_EXTENSION("res");
Set<ObjectID> owners;
friend class ResBase;
friend class ResourceCache;
String name;
String path_cache;
int subindex;
virtual bool _use_builtin_script() const { return true; }
#ifdef TOOLS_ENABLED
Ref<ResourceImportMetadata> import_metadata;
uint64_t last_modified_time;
#endif
protected:
void emit_changed();
void notify_change_to_owners();
virtual void _resource_path_changed();
static void _bind_methods();
void _set_path(const String& p_path);
void _take_over_path(const String& p_path);
public:
virtual bool can_reload_from_file();
virtual void reload_from_file();
void register_owner(Object *p_owner);
void unregister_owner(Object *p_owner);
void set_name(const String& p_name);
String get_name() const;
virtual void set_path(const String& p_path,bool p_take_over=false);
String get_path() const;
void set_subindex(int p_sub_index);
int get_subindex() const;
Ref<Resource> duplicate(bool p_subresources=false);
void set_import_metadata(const Ref<ResourceImportMetadata>& p_metadata);
Ref<ResourceImportMetadata> get_import_metadata() const;
#ifdef TOOLS_ENABLED
virtual void set_last_modified_time(uint64_t p_time) { last_modified_time=p_time; }
uint64_t get_last_modified_time() const { return last_modified_time; }
#endif
virtual RID get_rid() const; // some resources may offer conversion to RID
Resource();
~Resource();
};
typedef Ref<Resource> RES;
class ResourceCache {
friend class Resource;
static HashMap<String,Resource*> resources;
friend void unregister_core_types();
static void clear();
public:
static void reload_externals();
static bool has(const String& p_path);
static Resource* get(const String& p_path);
static void dump(const char* p_file=NULL,bool p_short=false);
static void get_cached_resources(List<Ref<Resource> > *p_resources);
static int get_cached_resource_count();
};
#endif