559 lines
14 KiB
C++
559 lines
14 KiB
C++
// Copyright (c) 2016-2018 Kiwano - Nomango
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// 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, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#include <fstream>
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#include <kiwano/utils/ResourceCache.h>
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#include <kiwano/core/Logger.h>
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#include <kiwano/platform/FileSystem.h>
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namespace kiwano
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{
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namespace __resource_cache_01
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{
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bool LoadJsonData(ResourceCache* loader, Json const& json_data);
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bool LoadXmlData(ResourceCache* loader, const tinyxml2::XMLElement* elem);
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}
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namespace
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{
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Map<String, Function<bool(ResourceCache*, Json const&)>> load_json_funcs = {
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{ L"latest", __resource_cache_01::LoadJsonData },
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{ L"0.1", __resource_cache_01::LoadJsonData },
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};
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Map<String, Function<bool(ResourceCache*, const tinyxml2::XMLElement*)>> load_xml_funcs = {
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{ L"latest", __resource_cache_01::LoadXmlData },
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{ L"0.1", __resource_cache_01::LoadXmlData },
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};
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}
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ResourceCache::ResourceCache()
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{
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}
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ResourceCache::~ResourceCache()
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{
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Clear();
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}
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bool ResourceCache::LoadFromJsonFile(String const& file_path)
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{
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if (!FileSystem::instance().IsFileExists(file_path))
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{
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KGE_WARN(L"ResourceCache::LoadFromJsonFile failed: File not found.");
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return false;
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}
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Json json_data;
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std::wifstream ifs;
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ifs.exceptions(std::ifstream::failbit | std::ifstream::badbit);
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try
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{
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String full_path = FileSystem::instance().GetFullPathForFile(file_path);
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ifs.open(full_path.c_str());
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ifs >> json_data;
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ifs.close();
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}
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catch (std::wifstream::failure& e)
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{
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KGE_WARN(L"ResourceCache::LoadFromJsonFile failed: Cannot open file. (%s)", oc::string_to_wide(e.what()).c_str());
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return false;
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}
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catch (oc::json_exception& e)
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{
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KGE_WARN(L"ResourceCache::LoadFromJsonFile failed: Cannot parse to JSON. (%s)", oc::string_to_wide(e.what()).c_str());
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return false;
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}
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return LoadFromJson(json_data);
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}
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bool ResourceCache::LoadFromJson(Json const& json_data)
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{
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try
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{
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String version = json_data[L"version"];
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auto load = load_json_funcs.find(version);
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if (load != load_json_funcs.end())
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{
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return load->second(this, json_data);
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}
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else if (version.empty())
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{
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return load_json_funcs[L"latest"](this, json_data);
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}
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else
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{
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throw std::runtime_error("unknown JSON data version");
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}
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}
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catch (std::exception& e)
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{
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KGE_WARN(L"ResourceCache::LoadFromJson failed: JSON data is invalid. (%s)", oc::string_to_wide(e.what()).c_str());
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return false;
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}
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return false;
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}
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bool ResourceCache::LoadFromXmlFile(String const& file_path)
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{
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if (!FileSystem::instance().IsFileExists(file_path))
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{
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KGE_WARN(L"ResourceCache::LoadFromXmlFile failed: File not found.");
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return false;
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}
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tinyxml2::XMLDocument doc;
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std::wifstream ifs;
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ifs.exceptions(std::ifstream::failbit | std::ifstream::badbit);
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try
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{
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String full_path = FileSystem::instance().GetFullPathForFile(file_path);
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ifs.open(full_path.c_str());
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StringStream ss;
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ss << ifs.rdbuf();
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if (tinyxml2::XML_SUCCESS != doc.Parse(ss.str().c_str()))
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{
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KGE_WARN(L"ResourceCache::LoadFromXmlFile failed: %s (%s)",
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tinyxml2::XMLDocument::ErrorIDToName(doc.ErrorID()), doc.ErrorStr());
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return false;
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}
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}
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catch (std::wifstream::failure& e)
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{
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KGE_WARN(L"ResourceCache::LoadFromXmlFile failed: Cannot open file. (%s)", oc::string_to_wide(e.what()).c_str());
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return false;
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}
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return LoadFromXml(&doc);
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}
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bool ResourceCache::LoadFromXml(const tinyxml2::XMLDocument* doc)
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{
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if (doc)
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{
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try
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{
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if (auto root = doc->FirstChildElement(L"resources"))
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{
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String version;
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if (auto ver = root->FirstChildElement(L"version")) version = ver->GetText();
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auto load = load_xml_funcs.find(version);
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if (load != load_xml_funcs.end())
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{
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return load->second(this, root);
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}
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else if (version.empty())
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{
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return load_xml_funcs[L"latest"](this, root);
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}
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else
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{
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throw std::runtime_error("unknown JSON data version");
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}
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}
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}
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catch (std::exception& e)
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{
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KGE_WARN(L"ResourceCache::LoadFromXml failed: %s", oc::string_to_wide(e.what()).c_str());
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return false;
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}
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}
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return false;
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}
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size_t ResourceCache::AddFrameSequence(String const& id, Vector<String> const& files)
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{
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if (files.empty())
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return 0;
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Vector<FramePtr> frames;
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frames.reserve(files.size());
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for (const auto& file : files)
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{
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FramePtr ptr = new (std::nothrow) Frame;
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if (ptr)
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{
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if (ptr->Load(file))
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{
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frames.push_back(ptr);
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}
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}
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}
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return AddFrameSequence(id, frames);
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}
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size_t ResourceCache::AddFrameSequence(String const& id, Vector<Resource> const& resources)
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{
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if (resources.empty())
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return 0;
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Vector<FramePtr> frames;
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frames.reserve(resources.size());
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for (const auto& res : resources)
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{
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FramePtr ptr = new (std::nothrow) Frame;
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if (ptr)
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{
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if (ptr->Load(res))
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{
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frames.push_back(ptr);
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}
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}
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}
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return AddFrameSequence(id, frames);
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}
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size_t ResourceCache::AddFrameSequence(String const& id, Vector<FramePtr> const& frames)
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{
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if (frames.empty())
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return 0;
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FrameSequencePtr fs = new (std::nothrow) FrameSequence(frames);
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if (fs)
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{
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fs->AddFrames(frames);
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AddObject(id, fs);
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return fs->GetFramesCount();
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}
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return 0;
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}
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size_t ResourceCache::AddFrameSequence(String const& id, FramePtr frame, int cols, int rows, float padding_x, float padding_y)
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{
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if (cols <= 0 || rows <= 0)
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return 0;
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if (!frame)
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return 0;
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float raw_width = frame->GetWidth();
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float raw_height = frame->GetHeight();
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float width = (raw_width - (cols - 1) * padding_x) / cols;
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float height = (raw_height - (rows - 1) * padding_y) / rows;
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Vector<FramePtr> frames;
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frames.reserve(rows * cols);
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float dty = 0;
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for (int i = 0; i < rows; i++)
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{
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float dtx = 0;
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for (int j = 0; j < cols; j++)
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{
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FramePtr ptr = new (std::nothrow) Frame;
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if (ptr)
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{
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ptr->SetTexture(frame->GetTexture());
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ptr->SetCropRect(Rect{ dtx, dty, dtx + width, dty + height });
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frames.push_back(ptr);
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}
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dtx += (width + padding_x);
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}
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dty += (height + padding_y);
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}
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FrameSequencePtr fs = new (std::nothrow) FrameSequence;
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if (fs)
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{
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fs->AddFrames(frames);
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AddObject(id, fs);
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return fs->GetFramesCount();
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}
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return 0;
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}
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bool ResourceCache::AddObject(String const& id, ObjectBasePtr obj)
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{
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if (obj)
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{
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object_cache_.insert(std::make_pair(id, obj));
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return true;
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}
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return false;
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}
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void ResourceCache::Remove(String const & id)
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{
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object_cache_.erase(id);
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}
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void ResourceCache::Clear()
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{
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object_cache_.clear();
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}
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ObjectBasePtr ResourceCache::Get(String const& id) const
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{
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auto iter = object_cache_.find(id);
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if (iter == object_cache_.end())
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return nullptr;
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return (*iter).second;
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}
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}
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namespace kiwano
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{
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namespace __resource_cache_01
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{
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struct GlobalData
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{
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String path;
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};
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bool LoadTexturesFromData(ResourceCache* loader, GlobalData* gdata, const String* id, const String* type, const String* file)
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{
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if (!gdata || !id) return false;
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if (type && (*type) == L"gif")
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{
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// GIF image
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GifImagePtr gif = new (std::nothrow) GifImage;
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if (gif && gif->Load(gdata->path + (*file)))
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{
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return loader->AddObject(*id, gif);
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}
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}
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if (file && !(*file).empty())
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{
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// Simple image
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FramePtr frame = new (std::nothrow) Frame;
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if (frame && frame->Load(gdata->path + (*file)))
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{
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return loader->AddObject(*id, frame);
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}
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}
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return false;
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}
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bool LoadTexturesFromData(ResourceCache* loader, GlobalData* gdata, const String* id, const Vector<const wchar_t*>* files)
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{
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if (!gdata || !id) return false;
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// Frames
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if (files)
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{
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Vector<FramePtr> frames;
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frames.reserve(files->size());
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for (const auto& file : (*files))
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{
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FramePtr frame = new Frame;
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if (frame->Load(gdata->path + (file)))
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{
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frames.push_back(frame);
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}
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}
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FrameSequencePtr frame_seq = new FrameSequence(frames);
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return !!loader->AddObject(*id, frame_seq);
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}
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return false;
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}
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bool LoadTexturesFromData(ResourceCache* loader, GlobalData* gdata, const String* id, const String* file,
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int rows, int cols, float padding_x, float padding_y)
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{
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if (!gdata || !id) return false;
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if (file)
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{
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if (!(*file).empty())
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{
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if (rows || cols)
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{
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// Frame slices
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FramePtr frame = new (std::nothrow) Frame;
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if (frame && frame->Load(gdata->path + (*file)))
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{
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return !!loader->AddFrameSequence(*id, frame, std::max(cols, 1), std::max(rows, 1), padding_x, padding_y);
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}
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}
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else
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{
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// Simple image
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FramePtr frame = new (std::nothrow) Frame;
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if (frame && frame->Load(gdata->path + (*file)))
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{
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return loader->AddObject(*id, frame);
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}
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}
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}
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}
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return false;
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}
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bool LoadFontsFromData(ResourceCache* loader, GlobalData* gdata, const String* id, const String* file)
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{
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if (!gdata || !id) return false;
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if (file)
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{
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FontPtr font = new (std::nothrow) Font;
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if (font && font->Load(gdata->path + (*file)))
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{
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return loader->AddObject(*id, font);
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}
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}
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return false;
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}
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bool LoadJsonData(ResourceCache* loader, Json const& json_data)
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{
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GlobalData global_data;
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if (json_data.count(L"path"))
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{
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global_data.path = json_data[L"path"];
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}
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if (json_data.count(L"images"))
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{
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for (const auto& image : json_data[L"images"])
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{
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const String* id = nullptr, * type = nullptr, * file = nullptr;
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int rows = 0, cols = 0;
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if (image.count(L"id")) id = &image[L"id"].as_string();
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if (image.count(L"type")) type = &image[L"type"].as_string();
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if (image.count(L"file")) file = &image[L"file"].as_string();
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if (image.count(L"rows")) rows = image[L"rows"].as_int();
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if (image.count(L"cols")) cols = image[L"cols"].as_int();
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if (rows || cols)
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{
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float padding_x = 0, padding_y = 0;
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if (image.count(L"padding-x")) padding_x = image[L"padding-x"].get<float>();
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if (image.count(L"padding-y")) padding_y = image[L"padding-y"].get<float>();
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if (!LoadTexturesFromData(loader, &global_data, id, file, rows, cols, padding_x, padding_y))
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return false;
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}
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if (image.count(L"files"))
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{
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Vector<const wchar_t*> files;
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files.reserve(image[L"files"].size());
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for (const auto& file : image[L"files"])
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{
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files.push_back(file.as_string().c_str());
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}
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if(!LoadTexturesFromData(loader, &global_data, id, &files))
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return false;
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}
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else
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{
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if(!LoadTexturesFromData(loader, &global_data, id, type, file))
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return false;
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}
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}
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}
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if (json_data.count(L"fonts"))
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{
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for (const auto& font : json_data[L"fonts"])
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{
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const String *id = nullptr, *file = nullptr;
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if (font.count(L"id")) id = &font[L"id"].as_string();
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if (font.count(L"file")) file = &font[L"file"].as_string();
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if (!LoadFontsFromData(loader, &global_data, id, file))
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return false;
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}
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}
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return true;
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}
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bool LoadXmlData(ResourceCache* loader, const tinyxml2::XMLElement* elem)
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{
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GlobalData global_data;
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if (auto path = elem->FirstChildElement(L"path"))
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{
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global_data.path = path->GetText();
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}
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if (auto images = elem->FirstChildElement(L"images"))
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{
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for (auto image = images->FirstChildElement(); image; image = image->NextSiblingElement())
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{
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String id, type, file;
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int rows = 0, cols = 0;
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if (auto attr = image->Attribute(L"id")) id.assign(attr); // assign() copies attr content
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if (auto attr = image->Attribute(L"type")) type = attr; // operator=() just holds attr pointer
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if (auto attr = image->Attribute(L"file")) file = attr;
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if (auto attr = image->IntAttribute(L"rows")) rows = attr;
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if (auto attr = image->IntAttribute(L"cols")) cols = attr;
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if (rows || cols)
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{
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float padding_x = 0, padding_y = 0;
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if (auto attr = image->FloatAttribute(L"padding-x")) padding_x = attr;
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if (auto attr = image->FloatAttribute(L"padding-y")) padding_y = attr;
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if (!LoadTexturesFromData(loader, &global_data, &id, &file, rows, cols, padding_x, padding_y))
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return false;
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}
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if (file.empty() && !image->NoChildren())
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{
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Vector<const wchar_t*> files_arr;
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for (auto file = image->FirstChildElement(); file; file = file->NextSiblingElement())
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{
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if (auto path = file->Attribute(L"path"))
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{
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files_arr.push_back(path);
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}
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}
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if (!LoadTexturesFromData(loader, &global_data, &id, &files_arr))
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return false;
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}
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else
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{
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if (!LoadTexturesFromData(loader, &global_data, &id, &type, &file))
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return false;
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}
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}
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}
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if (auto fonts = elem->FirstChildElement(L"fonts"))
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{
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for (auto font = fonts->FirstChildElement(); font; font = font->NextSiblingElement())
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{
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String id, file;
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if (auto attr = font->Attribute(L"id")) id.assign(attr);
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if (auto attr = font->Attribute(L"file")) file.assign(attr);
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if (!LoadFontsFromData(loader, &global_data, &id, &file))
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return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
}
|
|
}
|