505 lines
12 KiB
C++
505 lines
12 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 "ResourceCache.h"
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#include "../base/Logger.h"
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#include "../2d/Frame.h"
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#include "../2d/FrameSequence.h"
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#include "../renderer/GifImage.h"
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#include <fstream>
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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, 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*, 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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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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ifs.open(file_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_WARNING_LOG(L"ResourceCache::LoadFromJsonFile failed: Cannot open file. (%s)", string_to_wide(e.what()).c_str());
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return false;
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}
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catch (json_exception& e)
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{
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KGE_WARNING_LOG(L"ResourceCache::LoadFromJsonFile failed: Cannot parse to JSON. (%s)", 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_WARNING_LOG(L"ResourceCache::LoadFromJson failed: JSON data is invalid. (%s)", 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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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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ifs.open(file_path.c_str());
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std::wstringstream 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_WARNING_LOG(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_WARNING_LOG(L"ResourceCache::LoadFromXmlFile failed: Cannot open file. (%s)", 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(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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kiwano::wstring 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_WARNING_LOG(L"ResourceCache::LoadFromXml failed: %s", 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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bool ResourceCache::AddFrame(String const& id, Resource const& res)
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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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return AddFrame(id, ptr);
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}
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}
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return false;
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}
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bool ResourceCache::AddFrame(String const & id, FramePtr frame)
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{
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if (frame)
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{
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cache_.insert(std::make_pair(id, frame));
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return true;
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}
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return false;
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}
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bool ResourceCache::AddGifImage(String const& id, Resource const& res)
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{
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GifImagePtr ptr = new (std::nothrow) GifImage;
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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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return AddGifImage(id, ptr);
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}
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}
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return false;
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}
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bool ResourceCache::AddGifImage(String const& id, GifImagePtr image)
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{
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if (image)
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{
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cache_.insert(std::make_pair(id, image));
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return true;
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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<Resource> const& images)
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{
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if (images.empty())
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return 0;
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Vector<FramePtr> image_arr;
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image_arr.reserve(images.size());
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for (const auto& image : images)
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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(image))
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{
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image_arr.push_back(ptr);
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}
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}
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}
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if (!image_arr.empty())
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{
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FrameSequencePtr frames = new (std::nothrow) FrameSequence(image_arr);
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return AddFrameSequence(id, frames);
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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, Vector<FramePtr> const& images)
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{
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if (images.empty())
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return 0;
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FrameSequencePtr frames = new (std::nothrow) FrameSequence(images);
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return AddFrameSequence(id, frames);
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}
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size_t ResourceCache::AddFrameSequence(String const & id, Resource const & image, int cols, int rows)
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{
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if (cols <= 0 || rows <= 0)
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return 0;
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FramePtr raw = new (std::nothrow) Frame;
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if (!raw || !raw->Load(image))
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return false;
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float raw_width = raw->GetWidth();
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float raw_height = raw->GetHeight();
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float width = raw_width / cols;
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float height = raw_height / rows;
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Vector<FramePtr> image_arr;
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image_arr.reserve(rows * cols);
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for (int i = 0; i < rows; i++)
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{
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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(raw->GetImage());
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if (ptr)
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{
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ptr->Crop(Rect{ j * width, i * height, width, height });
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image_arr.push_back(ptr);
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}
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}
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}
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FrameSequencePtr frames = new (std::nothrow) FrameSequence(image_arr);
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return AddFrameSequence(id, frames);
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}
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size_t ResourceCache::AddFrameSequence(String const & id, Resource const & image, Vector<Rect> const & crop_rects)
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{
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FramePtr raw = new (std::nothrow) Frame;
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if (!raw || !raw->Load(image))
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return 0;
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Vector<FramePtr> image_arr;
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image_arr.reserve(crop_rects.size());
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for (const auto& rect : crop_rects)
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{
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FramePtr ptr = new (std::nothrow) Frame(raw->GetImage());
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if (ptr)
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{
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ptr->Crop(rect);
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image_arr.push_back(ptr);
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}
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}
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FrameSequencePtr frames = new (std::nothrow) FrameSequence(image_arr);
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return AddFrameSequence(id, frames);
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}
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size_t ResourceCache::AddFrameSequence(String const & id, FrameSequencePtr frames)
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{
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if (frames)
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{
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cache_.insert(std::make_pair(id, frames));
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return frames->GetFrames().size();
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}
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return 0;
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}
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bool ResourceCache::AddObj(String const& id, ObjectPtr obj)
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{
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if (obj)
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{
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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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FramePtr ResourceCache::GetFrame(String const & id) const
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{
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return Get<Frame>(id);
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}
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GifImagePtr ResourceCache::GetGifImage(String const& id) const
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{
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return Get<GifImage>(id);
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}
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FrameSequencePtr ResourceCache::GetFrameSequence(String const & id) const
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{
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return Get<FrameSequence>(id);
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}
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void ResourceCache::Delete(String const & id)
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{
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cache_.erase(id);
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}
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void ResourceCache::Clear()
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{
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cache_.clear();
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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 LoadImagesFromData(ResourceCache* loader, GlobalData* gdata, const String* id, const String* type,
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const String* file, const Vector<const wchar_t*>* files, int rows, int cols)
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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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// Gif image
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if (type && (*type) == L"gif")
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{
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return loader->AddGifImage(*id, Resource(gdata->path + (*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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return !!loader->AddFrameSequence(*id, Resource(gdata->path + (*file)), std::max(cols, 1), std::max(rows, 1));
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}
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else
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{
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// Simple image
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return loader->AddFrame(*id, Resource(gdata->path + (*file)));
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}
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}
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}
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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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return !!loader->AddFrameSequence(*id, frames);
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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 (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 (!LoadImagesFromData(loader, &global_data, id, type, file, &files, rows, cols))
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return false;
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}
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else
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{
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if (!LoadImagesFromData(loader, &global_data, id, type, file, nullptr, rows, cols))
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return false;
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}
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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, 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 (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 (!LoadImagesFromData(loader, &global_data, &id, &type, &file, &files_arr, rows, cols))
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return false;
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}
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else
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{
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if (!LoadImagesFromData(loader, &global_data, &id, &type, &file, nullptr, rows, cols))
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return false;
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}
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}
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}
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return true;
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}
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}
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}
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