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add ResourceLoader

This commit is contained in:
Nomango 2020-07-26 11:51:27 +08:00
parent f6b1bca46a
commit 696de0326d
11 changed files with 542 additions and 446 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
projects/kiwano/kiwano.vcxproj
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@ -102,6 +102,7 @@
<ClInclude Include="..\..\src\kiwano\utils\Json.h" />
<ClInclude Include="..\..\src\kiwano\utils\Logger.h" />
<ClInclude Include="..\..\src\kiwano\utils\ResourceCache.h" />
<ClInclude Include="..\..\src\kiwano\utils\ResourceLoader.h" />
<ClInclude Include="..\..\src\kiwano\utils\Task.h" />
<ClInclude Include="..\..\src\kiwano\utils\TaskScheduler.h" />
<ClInclude Include="..\..\src\kiwano\utils\Ticker.h" />
@ -179,6 +180,7 @@
<ClCompile Include="..\..\src\kiwano\utils\EventTicker.cpp" />
<ClCompile Include="..\..\src\kiwano\utils\Logger.cpp" />
<ClCompile Include="..\..\src\kiwano\utils\ResourceCache.cpp" />
<ClCompile Include="..\..\src\kiwano\utils\ResourceLoader.cpp" />
<ClCompile Include="..\..\src\kiwano\utils\Task.cpp" />
<ClCompile Include="..\..\src\kiwano\utils\TaskScheduler.cpp" />
<ClCompile Include="..\..\src\kiwano\utils\Ticker.cpp" />

6
projects/kiwano/kiwano.vcxproj.filters
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@ -354,6 +354,9 @@
<ClInclude Include="..\..\src\kiwano\base\RefPtr.h">
<Filter>base</Filter>
</ClInclude>
<ClInclude Include="..\..\src\kiwano\utils\ResourceLoader.h">
<Filter>utils</Filter>
</ClInclude>
</ItemGroup>
<ItemGroup>
<ClCompile Include="..\..\src\kiwano\2d\Canvas.cpp">
@ -578,6 +581,9 @@
<ClCompile Include="..\..\src\kiwano\base\RefObject.cpp">
<Filter>base</Filter>
</ClCompile>
<ClCompile Include="..\..\src\kiwano\utils\ResourceLoader.cpp">
<Filter>utils</Filter>
</ClCompile>
</ItemGroup>
<ItemGroup>
<None Include="suppress_warning.ruleset" />

2
src/kiwano/base/ObjectBase.cpp
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@ -183,7 +183,7 @@ void ObjectBase::SetStatus(const ObjectStatus& status)
void ObjectBase::Fail(const String& msg, int code)
{
SetStatus(ObjectStatus{ code, msg });
SetStatus(ObjectStatus(code, msg));
}
void ObjectBase::ClearStatus()

8
src/kiwano/base/ObjectBase.h
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@ -39,6 +39,14 @@ struct ObjectStatus
int code = 0; ///< 状态码，等于 0 时为成功状态，否则为失败状态
String msg; ///< 状态信息
ObjectStatus() = default;
ObjectStatus(int code, const String& msg)
: code(code)
, msg(msg)
{
}
/// \~chinese
/// @brief 对象状态是否成功
inline bool Success() const

1
src/kiwano/kiwano.h
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@ -128,6 +128,7 @@
#include <kiwano/utils/Logger.h>
#include <kiwano/utils/ResourceCache.h>
#include <kiwano/utils/ResourceLoader.h>
#include <kiwano/utils/UserData.h>
#include <kiwano/utils/Timer.h>
#include <kiwano/utils/Ticker.h>

2
src/kiwano/platform/Application.cpp
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@ -23,7 +23,6 @@
#include <kiwano/base/Director.h>
#include <kiwano/render/Renderer.h>
#include <kiwano/render/TextureCache.h>
#include <kiwano/utils/ResourceCache.h>
#include <kiwano/utils/Logger.h>
namespace kiwano
@ -122,7 +121,6 @@ void Application::Destroy()
// Clear user resources
Director::GetInstance().ClearStages();
ResourceCache::GetInstance().Clear();
for (auto iter = modules_.rbegin(); iter != modules_.rend(); ++iter)
{

11
src/kiwano/render/DirectX/RendererImpl.cpp
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@ -168,8 +168,10 @@ void RendererImpl::CreateTexture(Texture& texture, const String& file_path)
if (!FileSystem::GetInstance().IsFileExists(file_path))
{
KGE_WARNF("Texture file '%s' not found!", file_path.c_str());
hr = HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND);
KGE_SET_STATUS_IF_FAILED(hr, texture,
strings::Format("Texture file '%s' not found!", file_path.c_str()).c_str());
return;
}
if (SUCCEEDED(hr))
@ -273,8 +275,10 @@ void RendererImpl::CreateGifImage(GifImage& gif, const String& file_path)
if (!FileSystem::GetInstance().IsFileExists(file_path))
{
KGE_WARNF("Gif texture file '%s' not found!", file_path.c_str());
hr = HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND);
KGE_SET_STATUS_IF_FAILED(hr, gif,
strings::Format("Gif texture file '%s' not found!", file_path.c_str()).c_str());
return;
}
if (SUCCEEDED(hr))
@ -495,8 +499,9 @@ void RendererImpl::CreateFontCollection(Font& font, const String& file_path)
{
if (!FileSystem::GetInstance().IsFileExists(file_path))
{
KGE_WARNF("Font file '%s' not found!", file_path.c_str());
hr = HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND);
KGE_SET_STATUS_IF_FAILED(hr, font, strings::Format("Font file '%s' not found!", file_path.c_str()).c_str());
return;
}
}

413
src/kiwano/utils/ResourceCache.cpp
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@ -18,35 +18,10 @@
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#include <fstream>
#include <kiwano/platform/FileSystem.h>
#include <kiwano/utils/Logger.h>
#include <kiwano/utils/ResourceCache.h>
namespace kiwano
{
namespace resource_cache_01
{
bool LoadJsonData(ResourceCache* loader, const Json& json_data);
bool LoadXmlData(ResourceCache* loader, const XmlNode& elem);
} // namespace resource_cache_01
namespace
{
Map<String, Function<bool(ResourceCache*, const Json&)>> load_json_funcs = {
{ "latest", resource_cache_01::LoadJsonData },
{ "0.1", resource_cache_01::LoadJsonData },
};
Map<String, Function<bool(ResourceCache*, const XmlNode&)>> load_xml_funcs = {
{ "latest", resource_cache_01::LoadXmlData },
{ "0.1", resource_cache_01::LoadXmlData },
};
} // namespace
ResourceCache::ResourceCache() {}
@ -55,124 +30,9 @@ ResourceCache::~ResourceCache()
Clear();
}
bool ResourceCache::LoadFromJsonFile(const String& file_path)
void ResourceCache::AddObject(const String& id, ObjectBasePtr obj)
{
if (!FileSystem::GetInstance().IsFileExists(file_path))
{
KGE_ERRORF("%s failed: File not found.", __FUNCTION__);
return false;
}
Json json_data;
std::ifstream ifs;
ifs.exceptions(std::ifstream::failbit | std::ifstream::badbit);
try
{
String full_path = FileSystem::GetInstance().GetFullPathForFile(file_path);
ifs.open(full_path.c_str());
ifs >> json_data;
ifs.close();
}
catch (std::ios_base::failure& e)
{
KGE_ERRORF("%s failed: cannot open file. (%s)", __FUNCTION__, e.what());
return false;
}
catch (Json::exception& e)
{
KGE_ERRORF("%s failed: cannot parse JSON. (%s)", __FUNCTION__, e.what());
return false;
}
return LoadFromJson(json_data);
}
bool ResourceCache::LoadFromJson(const Json& json_data)
{
try
{
String version = json_data["version"];
auto load = load_json_funcs.find(version);
if (load != load_json_funcs.end())
{
return load->second(this, json_data);
}
else if (version.empty())
{
return load_json_funcs["latest"](this, json_data);
}
else
{
KGE_ERRORF("%s failed: unknown resource data version", __FUNCTION__);
}
}
catch (Json::exception& e)
{
KGE_ERRORF("%s failed: JSON data is invalid. (%s)", __FUNCTION__, e.what());
return false;
}
return false;
}
bool ResourceCache::LoadFromXmlFile(const String& file_path)
{
if (!FileSystem::GetInstance().IsFileExists(file_path))
{
KGE_ERRORF("%s failed: File not found.", __FUNCTION__);
return false;
}
String full_path = FileSystem::GetInstance().GetFullPathForFile(file_path);
XmlDocument doc;
auto result = doc.load_file(full_path.c_str());
if (result)
{
return LoadFromXml(doc);
}
else
{
KGE_ERRORF("%s failed: XML [%s] parsed with errors: %s", __FUNCTION__, full_path.c_str(), result.description());
return false;
}
}
bool ResourceCache::LoadFromXml(const XmlDocument& doc)
{
if (XmlNode root = doc.child("resources"))
{
String version;
if (auto version_node = root.child("version"))
version = version_node.child_value();
auto load = load_xml_funcs.find(version);
if (load != load_xml_funcs.end())
{
return load->second(this, root);
}
else if (version.empty())
{
return load_xml_funcs["latest"](this, root);
}
else
{
KGE_ERRORF("%s failed: unknown resource data version", __FUNCTION__);
}
}
return false;
}
bool ResourceCache::AddObject(const String& id, ObjectBasePtr obj)
{
if (obj)
{
object_cache_.insert(std::make_pair(id, obj));
return true;
}
return false;
object_cache_.insert(std::make_pair(id, obj));
}
void ResourceCache::Remove(const String& id)
@ -194,272 +54,3 @@ ObjectBasePtr ResourceCache::Get(const String& id) const
}
} // namespace kiwano
namespace kiwano
{
namespace resource_cache_01
{
struct GlobalData
{
String path;
};
bool LoadTexturesFromData(ResourceCache* loader, GlobalData* gdata, const String& id, const String& type,
const String& file)
{
if (!gdata)
return false;
if (type == "gif")
{
// GIF image
GifImagePtr gif = MakePtr<GifImage>();
if (gif && gif->Load(gdata->path + file))
{
return loader->AddObject(id, gif);
}
}
if (!file.empty())
{
// Simple image
FramePtr frame = MakePtr<Frame>();
if (frame && frame->Load(gdata->path + file))
{
return loader->AddObject(id, frame);
}
}
return false;
}
bool LoadTexturesFromData(ResourceCache* loader, GlobalData* gdata, const String& id, const Vector<String>& files)
{
if (!gdata)
return false;
if (files.empty())
return true;
// Frames
Vector<FramePtr> frames;
frames.reserve(files.size());
for (const auto& file : files)
{
FramePtr frame = MakePtr<Frame>();
if (frame->Load(gdata->path + file))
{
frames.push_back(frame);
}
}
FrameSequencePtr frame_seq = MakePtr<FrameSequence>(frames);
if (frame_seq)
{
return !!loader->AddObject(id, frame_seq);
}
return false;
}
bool LoadTexturesFromData(ResourceCache* loader, GlobalData* gdata, const String& id, const String& file, int rows,
int cols, int max_num, float padding_x, float padding_y)
{
if (!gdata)
return false;
if (!file.empty())
{
if (rows || cols)
{
// Frame slices
FramePtr frame = MakePtr<Frame>();
if (frame && frame->Load(gdata->path + file))
{
FrameSequencePtr frame_seq = MakePtr<FrameSequence>();
if (frame_seq)
{
frame_seq->AddFrames(frame, cols, rows, max_num, padding_x, padding_y);
return loader->AddObject(id, frame_seq);
}
}
}
else
{
// Simple image
FramePtr frame = MakePtr<Frame>();
if (frame && frame->Load(gdata->path + file))
{
return loader->AddObject(id, frame);
}
}
}
return false;
}
bool LoadFontsFromData(ResourceCache* loader, GlobalData* gdata, const String& id, const String& file)
{
if (!gdata)
return false;
FontPtr font = MakePtr<Font>();
if (font && font->Load(gdata->path + file))
{
return loader->AddObject(id, font);
}
return false;
}
bool LoadJsonData(ResourceCache* loader, const Json& json_data)
{
GlobalData global_data;
if (json_data.count("path"))
{
global_data.path = json_data["path"].get<String>();
}
if (json_data.count("images"))
{
for (const auto& image : json_data["images"])
{
String id, type, file;
int rows = 0, cols = 0, max_num = -1;
if (image.count("id"))
id = image["id"].get<String>();
if (image.count("type"))
type = image["type"].get<String>();
if (image.count("file"))
file = image["file"].get<String>();
if (image.count("rows"))
rows = image["rows"].get<int>();
if (image.count("cols"))
cols = image["cols"].get<int>();
if (image.count("max_num"))
max_num = image["max_num"].get<int>();
if (rows || cols)
{
float padding_x = 0, padding_y = 0;
if (image.count("padding-x"))
padding_x = image["padding-x"].get<float>();
if (image.count("padding-y"))
padding_y = image["padding-y"].get<float>();
if (!LoadTexturesFromData(loader, &global_data, id, file, rows, cols, max_num, padding_x, padding_y))
return false;
}
if (image.count("files"))
{
Vector<String> files;
files.reserve(image["files"].size());
for (const auto& file : image["files"])
{
files.push_back(file.get<String>());
}
if (!LoadTexturesFromData(loader, &global_data, id, files))
return false;
}
else
{
if (!LoadTexturesFromData(loader, &global_data, id, type, file))
return false;
}
}
}
if (json_data.count("fonts"))
{
for (const auto& font : json_data["fonts"])
{
String id, file;
if (font.count("id"))
id = font["id"].get<String>();
if (font.count("file"))
file = font["file"].get<String>();
if (!LoadFontsFromData(loader, &global_data, id, file))
return false;
}
}
return true;
}
bool LoadXmlData(ResourceCache* loader, const XmlNode& elem)
{
GlobalData global_data;
if (auto path = elem.child("path"))
{
global_data.path = path.child_value();
}
if (auto images = elem.child("images"))
{
for (auto image : images.children())
{
String id, type, file;
int rows = 0, cols = 0, max_num = -1;
if (auto attr = image.attribute("id"))
id = attr.value();
if (auto attr = image.attribute("type"))
type = attr.value();
if (auto attr = image.attribute("file"))
file = attr.value();
if (auto attr = image.attribute("rows"))
rows = attr.as_int(0);
if (auto attr = image.attribute("cols"))
cols = attr.as_int(0);
if (auto attr = image.attribute("max_num"))
max_num = attr.as_int(-1);
if (rows || cols)
{
float padding_x = 0, padding_y = 0;
if (auto attr = image.attribute("padding-x"))
padding_x = attr.as_float(0.0f);
if (auto attr = image.attribute("padding-y"))
padding_y = attr.as_float(0.0f);
if (!LoadTexturesFromData(loader, &global_data, id, file, rows, cols, max_num, padding_x, padding_y))
return false;
}
if (file.empty() && !image.empty())
{
Vector<String> files_arr;
for (auto file : image.children())
{
if (auto path = file.attribute("path"))
{
files_arr.push_back(path.value());
}
}
if (!LoadTexturesFromData(loader, &global_data, id, files_arr))
return false;
}
else
{
if (!LoadTexturesFromData(loader, &global_data, id, type, file))
return false;
}
}
}
if (auto fonts = elem.child("fonts"))
{
for (auto font : fonts.children())
{
String id, file;
if (auto attr = font.attribute("id"))
id = attr.value();
if (auto attr = font.attribute("file"))
file = attr.value();
if (!LoadFontsFromData(loader, &global_data, id, file))
return false;
}
}
return true;
}
} // namespace resource_cache_01
} // namespace kiwano

36
src/kiwano/utils/ResourceCache.h
View File

@ -20,8 +20,6 @@
#pragma once
#include <kiwano/core/Resource.h>
#include <kiwano/utils/Json.h>
#include <kiwano/utils/Xml.h>
#include <kiwano/render/Frame.h>
#include <kiwano/render/FrameSequence.h>
#include <kiwano/render/Font.h>
@ -29,33 +27,15 @@
namespace kiwano
{
KGE_DECLARE_SMART_PTR(ResourceCache);
/// \~chinese
/// @brief 资源缓存
/// @details 资源缓存
class KGE_API ResourceCache final : public Singleton<ResourceCache>
class KGE_API ResourceCache final : public ObjectBase
{
friend Singleton<ResourceCache>;
public:
/// \~chinese
/// @brief 从 JSON 文件加载资源信息
/// @param file_path JSON文件路径
bool LoadFromJsonFile(const String& file_path);
/// \~chinese
/// @brief 从 JSON 加载资源信息
/// @param json_data JSON对象
bool LoadFromJson(const Json& json_data);
/// \~chinese
/// @brief 从 XML 文件加载资源信息
/// @param file_path XML文件路径
bool LoadFromXmlFile(const String& file_path);
/// \~chinese
/// @brief 从 XML 文档对象加载资源信息
/// @param doc XML文档对象
bool LoadFromXml(const XmlDocument& doc);
ResourceCache();
/// \~chinese
/// @brief 获取资源
@ -77,7 +57,7 @@ public:
/// @brief 将对象放入缓存
/// @param id 对象ID
/// @param obj 对象
bool AddObject(const String& id, ObjectBasePtr obj);
void AddObject(const String& id, ObjectBasePtr obj);
/// \~chinese
/// @brief 删除指定资源
@ -90,10 +70,8 @@ public:
virtual ~ResourceCache();
private:
ResourceCache();
private:
UnorderedMap<String, ObjectBasePtr> object_cache_;
};
} // namespace kiwano

452
src/kiwano/utils/ResourceLoader.cpp Normal file
View File

@ -0,0 +1,452 @@
// Copyright (c) 2016-2018 Kiwano - Nomango
//
// 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 <fstream>
#include <kiwano/platform/FileSystem.h>
#include <kiwano/utils/Logger.h>
#include <kiwano/utils/ResourceLoader.h>
namespace kiwano
{
namespace resource_cache_01
{
void LoadJsonData(ResourceCache* cache, const Json& json_data);
void LoadXmlData(ResourceCache* cache, const XmlNode& elem);
} // namespace resource_cache_01
namespace
{
Map<String, Function<void(ResourceCache*, const Json&)>> load_json_funcs = {
{ "latest", resource_cache_01::LoadJsonData },
{ "0.1", resource_cache_01::LoadJsonData },
};
Map<String, Function<void(ResourceCache*, const XmlNode&)>> load_xml_funcs = {
{ "latest", resource_cache_01::LoadXmlData },
{ "0.1", resource_cache_01::LoadXmlData },
};
} // namespace
bool ResourceLoader::LoadFromJsonFile(ResourceCachePtr cache, const String& file_path)
{
if (!cache)
{
KGE_ERROR("ResourceLoader::LoadFromJsonFile failed, cache is nullptr");
return false;
}
if (!FileSystem::GetInstance().IsFileExists(file_path))
{
cache->Fail(
strings::Format("ResourceLoader::LoadFromJsonFile failed: [%s] file not found.", file_path.c_str()));
return false;
}
Json json_data;
std::ifstream ifs;
ifs.exceptions(std::ifstream::failbit | std::ifstream::badbit);
try
{
String full_path = FileSystem::GetInstance().GetFullPathForFile(file_path);
ifs.open(full_path.c_str());
ifs >> json_data;
ifs.close();
}
catch (std::ios_base::failure& e)
{
cache->Fail(strings::Format("ResourceLoader::LoadFromJsonFile failed: cannot open file [%s]. %s",
file_path.c_str(), e.what()));
return false;
}
catch (Json::exception& e)
{
cache->Fail(strings::Format("ResourceLoader::LoadFromJsonFile failed: Json file [%s] parsed with errors: %s",
file_path.c_str(), e.what()));
return false;
}
return LoadFromJson(cache, json_data);
}
bool ResourceLoader::LoadFromJson(ResourceCachePtr cache, const Json& json_data)
{
if (!cache)
{
KGE_ERROR("ResourceLoader::LoadFromJson failed, cache is nullptr");
return false;
}
try
{
String version = json_data["version"];
auto load = load_json_funcs.find(version);
if (load != load_json_funcs.end())
{
load->second(cache.Get(), json_data);
}
else if (version.empty())
{
load_json_funcs["latest"](cache.Get(), json_data);
}
else
{
cache->Fail("ResourceLoader::LoadFromJson failed: unknown resource data version");
}
}
catch (Json::exception& e)
{
cache->Fail(String("ResourceLoader::LoadFromJson failed: ") + e.what());
}
return cache->IsValid();
}
bool ResourceLoader::LoadFromXmlFile(ResourceCachePtr cache, const String& file_path)
{
if (!cache)
{
KGE_ERROR("ResourceLoader::LoadFromXmlFile failed, cache is nullptr");
return false;
}
if (!FileSystem::GetInstance().IsFileExists(file_path))
{
cache->Fail(strings::Format("ResourceLoader::LoadFromXmlFile failed: [%s] file not found.", file_path.c_str()));
return false;
}
String full_path = FileSystem::GetInstance().GetFullPathForFile(file_path);
XmlDocument doc;
auto result = doc.load_file(full_path.c_str());
if (result)
{
return LoadFromXml(cache, doc);
}
else
{
cache->Fail(strings::Format("ResourceLoader::LoadFromXmlFile failed: XML file [%s] parsed with errors: %s",
file_path.c_str(), result.description()));
return false;
}
}
bool ResourceLoader::LoadFromXml(ResourceCachePtr cache, const XmlDocument& doc)
{
if (!cache)
{
KGE_ERROR("ResourceLoader::LoadFromXml failed, cache is nullptr");
return false;
}
if (XmlNode root = doc.child("resources"))
{
String version;
if (auto version_node = root.child("version"))
version = version_node.child_value();
auto load = load_xml_funcs.find(version);
if (load != load_xml_funcs.end())
{
load->second(cache.Get(), root);
}
else if (version.empty())
{
load_xml_funcs["latest"](cache.Get(), root);
}
else
{
cache->Fail("ResourceLoader::LoadFromXml failed: unknown resource data version");
}
}
else
{
cache->Fail("ResourceLoader::LoadFromXml failed: unknown file format");
}
return cache->IsValid();
}
} // namespace kiwano
namespace kiwano
{
namespace resource_cache_01
{
struct GlobalData
{
String path;
};
void LoadTexturesFromData(ResourceCache* cache, GlobalData* gdata, const String& id, const String& type,
const String& file)
{
if (type == "gif")
{
// GIF image
GifImagePtr gif = MakePtr<GifImage>();
if (gif && gif->Load(gdata->path + file))
{
cache->AddObject(id, gif);
return;
}
}
else if (!file.empty())
{
// Simple image
FramePtr frame = MakePtr<Frame>();
if (frame && frame->Load(gdata->path + file))
{
cache->AddObject(id, frame);
return;
}
}
cache->Fail(strings::Format("%s failed", __FUNCTION__));
}
void LoadTexturesFromData(ResourceCache* cache, GlobalData* gdata, const String& id, const Vector<String>& files)
{
if (files.empty())
return;
// Frames
Vector<FramePtr> frames;
frames.reserve(files.size());
for (const auto& file : files)
{
FramePtr frame = MakePtr<Frame>();
if (frame->Load(gdata->path + file))
{
frames.push_back(frame);
}
}
if (!frames.empty())
{
FrameSequencePtr frame_seq = MakePtr<FrameSequence>(frames);
if (frame_seq)
{
cache->AddObject(id, frame_seq);
return;
}
}
cache->Fail(strings::Format("%s failed", __FUNCTION__));
}
void LoadTexturesFromData(ResourceCache* cache, GlobalData* gdata, const String& id, const String& file, int rows,
int cols, int max_num, float padding_x, float padding_y)
{
if (!file.empty())
{
if (rows || cols)
{
// Frame slices
FramePtr frame = MakePtr<Frame>();
if (frame && frame->Load(gdata->path + file))
{
FrameSequencePtr frame_seq = MakePtr<FrameSequence>();
if (frame_seq)
{
frame_seq->AddFrames(frame, cols, rows, max_num, padding_x, padding_y);
cache->AddObject(id, frame_seq);
return;
}
}
}
else
{
// Simple image
FramePtr frame = MakePtr<Frame>();
if (frame && frame->Load(gdata->path + file))
{
cache->AddObject(id, frame);
return;
}
}
}
cache->Fail(strings::Format("%s failed", __FUNCTION__));
}
void LoadFontsFromData(ResourceCache* cache, GlobalData* gdata, const String& id, const String& file)
{
FontPtr font = MakePtr<Font>();
if (font && font->Load(gdata->path + file))
{
cache->AddObject(id, font);
return;
}
cache->Fail(strings::Format("%s failed", __FUNCTION__));
}
void LoadJsonData(ResourceCache* cache, const Json& json_data)
{
GlobalData global_data;
if (json_data.count("path"))
{
global_data.path = json_data["path"].get<String>();
}
if (json_data.count("images"))
{
for (const auto& image : json_data["images"])
{
String id, type, file;
int rows = 0, cols = 0, max_num = -1;
if (image.count("id"))
id = image["id"].get<String>();
if (image.count("type"))
type = image["type"].get<String>();
if (image.count("file"))
file = image["file"].get<String>();
if (image.count("rows"))
rows = image["rows"].get<int>();
if (image.count("cols"))
cols = image["cols"].get<int>();
if (image.count("max_num"))
max_num = image["max_num"].get<int>();
if (rows || cols)
{
float padding_x = 0, padding_y = 0;
if (image.count("padding-x"))
padding_x = image["padding-x"].get<float>();
if (image.count("padding-y"))
padding_y = image["padding-y"].get<float>();
LoadTexturesFromData(cache, &global_data, id, file, rows, cols, max_num, padding_x, padding_y);
}
if (image.count("files"))
{
Vector<String> files;
files.reserve(image["files"].size());
for (const auto& file : image["files"])
{
files.push_back(file.get<String>());
}
LoadTexturesFromData(cache, &global_data, id, files);
}
else
{
LoadTexturesFromData(cache, &global_data, id, type, file);
}
}
}
if (json_data.count("fonts"))
{
for (const auto& font : json_data["fonts"])
{
String id, file;
if (font.count("id"))
id = font["id"].get<String>();
if (font.count("file"))
file = font["file"].get<String>();
LoadFontsFromData(cache, &global_data, id, file);
}
}
}
void LoadXmlData(ResourceCache* cache, const XmlNode& elem)
{
GlobalData global_data;
if (auto path = elem.child("path"))
{
global_data.path = path.child_value();
}
if (auto images = elem.child("images"))
{
for (auto image : images.children())
{
String id, type, file;
int rows = 0, cols = 0, max_num = -1;
if (auto attr = image.attribute("id"))
id = attr.value();
if (auto attr = image.attribute("type"))
type = attr.value();
if (auto attr = image.attribute("file"))
file = attr.value();
if (auto attr = image.attribute("rows"))
rows = attr.as_int(0);
if (auto attr = image.attribute("cols"))
cols = attr.as_int(0);
if (auto attr = image.attribute("max_num"))
max_num = attr.as_int(-1);
if (rows || cols)
{
float padding_x = 0, padding_y = 0;
if (auto attr = image.attribute("padding-x"))
padding_x = attr.as_float(0.0f);
if (auto attr = image.attribute("padding-y"))
padding_y = attr.as_float(0.0f);
LoadTexturesFromData(cache, &global_data, id, file, rows, cols, max_num, padding_x, padding_y);
}
if (file.empty() && !image.empty())
{
Vector<String> files_arr;
for (auto file : image.children())
{
if (auto path = file.attribute("path"))
{
files_arr.push_back(path.value());
}
}
LoadTexturesFromData(cache, &global_data, id, files_arr);
}
else
{
LoadTexturesFromData(cache, &global_data, id, type, file);
}
}
}
if (auto fonts = elem.child("fonts"))
{
for (auto font : fonts.children())
{
String id, file;
if (auto attr = font.attribute("id"))
id = attr.value();
if (auto attr = font.attribute("file"))
file = attr.value();
LoadFontsFromData(cache, &global_data, id, file);
}
}
}
} // namespace resource_cache_01
} // namespace kiwano

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src/kiwano/utils/ResourceLoader.h Normal file
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@ -0,0 +1,55 @@
// Copyright (c) 2016-2018 Kiwano - Nomango
//
// 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.
#pragma once
#include <kiwano/utils/ResourceCache.h>
#include <kiwano/utils/Json.h>
#include <kiwano/utils/Xml.h>
namespace kiwano
{
/// \~chinese
/// @brief 资源加载器
class KGE_API ResourceLoader final : Noncopyable
{
public:
/// \~chinese
/// @brief 从 JSON 文件加载资源信息
/// @param file_path JSON文件路径
static bool LoadFromJsonFile(ResourceCachePtr cache, const String& file_path);
/// \~chinese
/// @brief 从 JSON 加载资源信息
/// @param json_data JSON对象
static bool LoadFromJson(ResourceCachePtr cache, const Json& json_data);
/// \~chinese
/// @brief 从 XML 文件加载资源信息
/// @param file_path XML文件路径
static bool LoadFromXmlFile(ResourceCachePtr cache, const String& file_path);
/// \~chinese
/// @brief 从 XML 文档对象加载资源信息
/// @param doc XML文档对象
static bool LoadFromXml(ResourceCachePtr cache, const XmlDocument& doc);
};
} // namespace kiwano