dolphin/Source/Core/InputCommon/DynamicInputTextureConfigur...

393 lines
13 KiB
C++

// Copyright 2019 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#include "InputCommon/DynamicInputTextureConfiguration.h"
#include <optional>
#include <sstream>
#include <string>
#include <fmt/format.h>
#include <picojson.h>
#include "Common/CommonPaths.h"
#include "Common/FileUtil.h"
#include "Common/IOFile.h"
#include "Common/Logging/Log.h"
#include "Common/StringUtil.h"
#include "Core/ConfigManager.h"
#include "Core/Core.h"
#include "InputCommon/ControllerEmu/ControllerEmu.h"
#include "InputCommon/ImageOperations.h"
#include "VideoCommon/RenderBase.h"
namespace
{
std::string GetStreamAsString(std::ifstream& stream)
{
std::stringstream ss;
ss << stream.rdbuf();
return ss.str();
}
} // namespace
namespace InputCommon
{
DynamicInputTextureConfiguration::DynamicInputTextureConfiguration(const std::string& json_file)
{
std::ifstream json_stream;
File::OpenFStream(json_stream, json_file, std::ios_base::in);
if (!json_stream.is_open())
{
ERROR_LOG_FMT(VIDEO, "Failed to load dynamic input json file '{}'", json_file);
m_valid = false;
return;
}
picojson::value out;
const auto error = picojson::parse(out, GetStreamAsString(json_stream));
if (!error.empty())
{
ERROR_LOG_FMT(VIDEO, "Failed to load dynamic input json file '{}' due to parse error: {}",
json_file, error);
m_valid = false;
return;
}
const picojson::value& output_textures_json = out.get("output_textures");
if (!output_textures_json.is<picojson::object>())
{
ERROR_LOG_FMT(
VIDEO,
"Failed to load dynamic input json file '{}' because 'output_textures' is missing or "
"was not of type object",
json_file);
m_valid = false;
return;
}
const picojson::value& preserve_aspect_ratio_json = out.get("preserve_aspect_ratio");
bool preserve_aspect_ratio = true;
if (preserve_aspect_ratio_json.is<bool>())
{
preserve_aspect_ratio = preserve_aspect_ratio_json.get<bool>();
}
const picojson::value& generated_folder_name_json = out.get("generated_folder_name");
const std::string& game_id = SConfig::GetInstance().GetGameID();
std::string generated_folder_name = fmt::format("{}_Generated", game_id);
if (generated_folder_name_json.is<std::string>())
{
generated_folder_name = generated_folder_name_json.get<std::string>();
}
const picojson::value& default_host_controls_json = out.get("default_host_controls");
picojson::object default_host_controls;
if (default_host_controls_json.is<picojson::object>())
{
default_host_controls = default_host_controls_json.get<picojson::object>();
}
const auto output_textures = output_textures_json.get<picojson::object>();
for (auto& [name, data] : output_textures)
{
DynamicInputTextureData texture_data;
texture_data.m_hires_texture_name = name;
// Required fields
const picojson::value& image = data.get("image");
const picojson::value& emulated_controls = data.get("emulated_controls");
if (!image.is<std::string>() || !emulated_controls.is<picojson::object>())
{
ERROR_LOG_FMT(VIDEO,
"Failed to load dynamic input json file '{}' because required fields "
"'image', or 'emulated_controls' are either "
"missing or the incorrect type",
json_file);
m_valid = false;
return;
}
texture_data.m_image_name = image.to_str();
texture_data.m_preserve_aspect_ratio = preserve_aspect_ratio;
texture_data.m_generated_folder_name = generated_folder_name;
SplitPath(json_file, &m_base_path, nullptr, nullptr);
const std::string image_full_path = m_base_path + texture_data.m_image_name;
if (!File::Exists(image_full_path))
{
ERROR_LOG_FMT(VIDEO,
"Failed to load dynamic input json file '{}' because the image '{}' "
"could not be loaded",
json_file, image_full_path);
m_valid = false;
return;
}
const auto& emulated_controls_json = emulated_controls.get<picojson::object>();
for (auto& [emulated_controller_name, map] : emulated_controls_json)
{
if (!map.is<picojson::object>())
{
ERROR_LOG_FMT(VIDEO,
"Failed to load dynamic input json file '{}' because 'emulated_controls' "
"map key '{}' is incorrect type. Expected map ",
json_file, emulated_controller_name);
m_valid = false;
return;
}
auto& key_to_regions = texture_data.m_emulated_controllers[emulated_controller_name];
for (auto& [emulated_control, regions_array] : map.get<picojson::object>())
{
if (!regions_array.is<picojson::array>())
{
ERROR_LOG_FMT(
VIDEO,
"Failed to load dynamic input json file '{}' because emulated controller '{}' "
"key '{}' has incorrect value type. Expected array ",
json_file, emulated_controller_name, emulated_control);
m_valid = false;
return;
}
std::vector<Rect> region_rects;
for (auto& region : regions_array.get<picojson::array>())
{
Rect r;
if (!region.is<picojson::array>())
{
ERROR_LOG_FMT(
VIDEO,
"Failed to load dynamic input json file '{}' because emulated controller '{}' "
"key '{}' has a region with the incorrect type. Expected array ",
json_file, emulated_controller_name, emulated_control);
m_valid = false;
return;
}
auto region_offsets = region.get<picojson::array>();
if (region_offsets.size() != 4)
{
ERROR_LOG_FMT(
VIDEO,
"Failed to load dynamic input json file '{}' because emulated controller '{}' "
"key '{}' has a region that does not have 4 offsets (left, top, right, "
"bottom).",
json_file, emulated_controller_name, emulated_control);
m_valid = false;
return;
}
if (!std::all_of(region_offsets.begin(), region_offsets.end(),
[](picojson::value val) { return val.is<double>(); }))
{
ERROR_LOG_FMT(
VIDEO,
"Failed to load dynamic input json file '{}' because emulated controller '{}' "
"key '{}' has a region that has the incorrect offset type.",
json_file, emulated_controller_name, emulated_control);
m_valid = false;
return;
}
r.left = static_cast<u32>(region_offsets[0].get<double>());
r.top = static_cast<u32>(region_offsets[1].get<double>());
r.right = static_cast<u32>(region_offsets[2].get<double>());
r.bottom = static_cast<u32>(region_offsets[3].get<double>());
region_rects.push_back(r);
}
key_to_regions.insert_or_assign(emulated_control, std::move(region_rects));
}
}
// Default to the default controls but overwrite if the creator
// has provided something specific
picojson::object host_controls = default_host_controls;
const picojson::value& host_controls_json = data.get("host_controls");
if (host_controls_json.is<picojson::object>())
{
host_controls = host_controls_json.get<picojson::object>();
}
if (host_controls.empty())
{
ERROR_LOG_FMT(VIDEO,
"Failed to load dynamic input json file '{}' because field "
"'host_controls' is missing ",
json_file);
m_valid = false;
return;
}
for (auto& [host_device, map] : host_controls)
{
if (!map.is<picojson::object>())
{
ERROR_LOG_FMT(VIDEO,
"Failed to load dynamic input json file '{}' because 'host_controls' "
"map key '{}' is incorrect type ",
json_file, host_device);
m_valid = false;
return;
}
auto& host_control_to_imagename = texture_data.m_host_devices[host_device];
for (auto& [host_control, image_name] : map.get<picojson::object>())
{
host_control_to_imagename.insert_or_assign(host_control, image_name.to_str());
}
}
m_dynamic_input_textures.emplace_back(std::move(texture_data));
}
}
DynamicInputTextureConfiguration::~DynamicInputTextureConfiguration() = default;
void DynamicInputTextureConfiguration::GenerateTextures(const IniFile::Section* sec,
const std::string& controller_name) const
{
bool any_dirty = false;
for (const auto& texture_data : m_dynamic_input_textures)
{
any_dirty |= GenerateTexture(sec, controller_name, texture_data);
}
if (!any_dirty)
return;
if (Core::GetState() == Core::State::Starting)
return;
if (!g_renderer)
return;
g_renderer->ForceReloadTextures();
}
bool DynamicInputTextureConfiguration::GenerateTexture(
const IniFile::Section* sec, const std::string& controller_name,
const DynamicInputTextureData& texture_data) const
{
std::string device_name;
if (!sec->Get("Device", &device_name))
{
return false;
}
auto emulated_controls_iter = texture_data.m_emulated_controllers.find(controller_name);
if (emulated_controls_iter == texture_data.m_emulated_controllers.end())
{
return false;
}
bool device_found = true;
auto host_devices_iter = texture_data.m_host_devices.find(device_name);
if (host_devices_iter == texture_data.m_host_devices.end())
{
// If we fail to find our exact device,
// it's possible the creator doesn't care (single player game)
// and has used a wildcard for any device
host_devices_iter = texture_data.m_host_devices.find("");
if (host_devices_iter == texture_data.m_host_devices.end())
{
device_found = false;
}
}
// Two copies of the loaded texture
// The first one is used as a fallback if a key or device isn't mapped
// the second one is used as the final image to write to the textures directory
const auto original_image = LoadImage(m_base_path + texture_data.m_image_name);
auto image_to_write = original_image;
bool dirty = false;
for (auto& [emulated_key, rects] : emulated_controls_iter->second)
{
// TODO: Remove this line when we move to C++20
auto& rects_ref = rects;
auto apply_original = [&] {
for (const auto& rect : rects_ref)
{
CopyImageRegion(*original_image, *image_to_write, rect, rect);
dirty = true;
}
};
if (!device_found)
{
// If we get here, that means the controller is set to a
// device not exposed to the pack
// We still apply the original image, in case the user
// switched devices and wants to see the changes
apply_original();
continue;
}
std::string host_key;
sec->Get(emulated_key, &host_key);
const auto input_image_iter = host_devices_iter->second.find(host_key);
if (input_image_iter == host_devices_iter->second.end())
{
apply_original();
}
else
{
const auto host_key_image = LoadImage(m_base_path + input_image_iter->second);
for (const auto& rect : rects)
{
InputCommon::ImagePixelData pixel_data;
if (host_key_image->width == rect.GetWidth() && host_key_image->height == rect.GetHeight())
{
pixel_data = *host_key_image;
}
else if (texture_data.m_preserve_aspect_ratio)
{
pixel_data = ResizeKeepAspectRatio(ResizeMode::Nearest, *host_key_image, rect.GetWidth(),
rect.GetHeight(), Pixel{0, 0, 0, 0});
}
else
{
pixel_data =
Resize(ResizeMode::Nearest, *host_key_image, rect.GetWidth(), rect.GetHeight());
}
CopyImageRegion(pixel_data, *image_to_write, Rect{0, 0, rect.GetWidth(), rect.GetHeight()},
rect);
dirty = true;
}
}
}
if (dirty)
{
const std::string& game_id = SConfig::GetInstance().GetGameID();
const auto hi_res_folder =
File::GetUserPath(D_HIRESTEXTURES_IDX) + texture_data.m_generated_folder_name;
if (!File::IsDirectory(hi_res_folder))
{
File::CreateDir(hi_res_folder);
}
WriteImage(hi_res_folder + DIR_SEP + texture_data.m_hires_texture_name, *image_to_write);
const auto game_id_folder = hi_res_folder + DIR_SEP + "gameids";
if (!File::IsDirectory(game_id_folder))
{
File::CreateDir(game_id_folder);
}
File::CreateEmptyFile(game_id_folder + DIR_SEP + game_id + ".txt");
return true;
}
return false;
}
} // namespace InputCommon