1 files changed, 183 insertions, 0 deletions

diff --git a/scene/main/resource_preloader.cpp b/scene/main/resource_preloader.cpp
new file mode 100644
index 000000000..8227046ec
--- /dev/null
+++ b/scene/main/resource_preloader.cpp
@@ -0,0 +1,183 @@
+/*************************************************************************/
+/*  resource_preloader.cpp                                               */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                    http://www.godotengine.org                         */
+/*************************************************************************/
+/* Copyright (c) 2007-2014 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 "resource_preloader.h"
+
+void ResourcePreloader::_set_resources(const Array& p_data) {
+
+	resources.clear();
+
+	ERR_FAIL_COND(p_data.size()!=2);
+	DVector<String> names=p_data[0];
+	Array resdata=p_data[1];
+
+	ERR_FAIL_COND(names.size()!=resdata.size());
+
+	for(int i=0;i<resdata.size();i++) {
+
+		String name=names[i];
+		RES resource = resdata[i];
+		ERR_CONTINUE( !resource.is_valid() );
+		resources[name]=resource;
+
+		//add_resource(name,resource);
+	}
+
+}
+
+Array ResourcePreloader::_get_resources() const {
+
+	DVector<String> names;
+	Array arr;
+	arr.resize(resources.size());
+	names.resize(resources.size());
+
+	Set<String> sorted_names;
+
+	for(Map<StringName,RES >::Element *E=resources.front();E;E=E->next()) {
+		sorted_names.insert(E->key());
+	}
+
+	int i=0;
+	for(Set<String>::Element *E=sorted_names.front();E;E=E->next()) {
+
+		names.set(i,E->get());
+		arr[i]=resources[E->get()];
+		i++;
+	}
+
+	Array res;
+	res.push_back(names);
+	res.push_back(arr);
+	return res;
+}
+
+
+void ResourcePreloader::add_resource(const StringName& p_name,const RES& p_resource) {
+
+
+	ERR_FAIL_COND(p_resource.is_null());
+	if (resources.has(p_name)) {
+
+
+		StringName new_name;
+		int idx=2;
+
+		while(true) {
+
+			new_name=p_name.operator String()+" "+itos(idx);
+			if (resources.has(new_name)) {
+				idx++;
+				continue;
+			}
+
+			break;
+
+		}
+
+		add_resource(new_name,p_resource);
+	} else {
+
+		resources[p_name]=p_resource;
+	}
+
+
+
+}
+
+void ResourcePreloader::remove_resource(const StringName& p_name) {
+
+	ERR_FAIL_COND( !resources.has(p_name) );
+	resources.erase(p_name);
+
+}
+void ResourcePreloader::rename_resource(const StringName& p_from_name,const StringName& p_to_name) {
+
+	ERR_FAIL_COND( !resources.has(p_from_name) );
+
+	RES res = resources[p_from_name];
+
+	resources.erase(p_from_name);
+	add_resource(p_to_name,res);
+
+
+
+}
+
+bool ResourcePreloader::has_resource(const StringName& p_name) const {
+
+	return resources.has(p_name);
+}
+RES ResourcePreloader::get_resource(const StringName& p_name) const {
+
+	ERR_FAIL_COND_V(!resources.has(p_name),RES());
+	return resources[p_name];
+}
+
+DVector<String> ResourcePreloader::_get_resource_list() const {
+
+	DVector<String> res;
+	res.resize(resources.size());
+	int i=0;
+	for(Map<StringName,RES >::Element *E=resources.front();E;E=E->next(),i++) {
+		res.set(i,E->key());
+	}
+
+	return res;
+}
+
+void ResourcePreloader::get_resource_list(List<StringName> *p_list) {
+
+	for(Map<StringName,RES >::Element *E=resources.front();E;E=E->next()) {
+
+		p_list->push_back(E->key());
+	}
+
+}
+
+
+void ResourcePreloader::_bind_methods() {
+
+	ObjectTypeDB::bind_method(_MD("_set_resources"),&ResourcePreloader::_set_resources);
+	ObjectTypeDB::bind_method(_MD("_get_resources"),&ResourcePreloader::_get_resources);
+
+	ObjectTypeDB::bind_method(_MD("add_resource","name","resource"),&ResourcePreloader::add_resource);
+	ObjectTypeDB::bind_method(_MD("remove_resource","name"),&ResourcePreloader::remove_resource);
+	ObjectTypeDB::bind_method(_MD("rename_resource","name","newname"),&ResourcePreloader::rename_resource);
+	ObjectTypeDB::bind_method(_MD("has_resource","name"),&ResourcePreloader::has_resource);
+	ObjectTypeDB::bind_method(_MD("get_resource","name"),&ResourcePreloader::get_resource);
+	ObjectTypeDB::bind_method(_MD("get_resource_list"),&ResourcePreloader::_get_resource_list);
+
+
+	ADD_PROPERTY( PropertyInfo(Variant::ARRAY,"resources",PROPERTY_HINT_NONE,"",PROPERTY_USAGE_NOEDITOR), _SCS("_set_resources"), _SCS("_get_resources"));
+
+}
+
+ResourcePreloader::ResourcePreloader()
+{
+}