300 lines
7.1 KiB
C++
300 lines
7.1 KiB
C++
/*
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Copyright 2018 flyinghead
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This file is part of reicast.
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reicast is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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reicast is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with reicast. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "CustomTexture.h"
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#include "cfg/cfg.h"
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#include "oslib/directory.h"
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#include "cfg/option.h"
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#include <sstream>
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#define STB_IMAGE_IMPLEMENTATION
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#define STBI_ONLY_JPEG
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#define STBI_ONLY_PNG
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#include <stb_image.h>
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#define STB_IMAGE_WRITE_IMPLEMENTATION
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#include <stb_image_write.h>
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CustomTexture custom_texture;
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void CustomTexture::LoaderThread()
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{
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LoadMap();
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while (initialized)
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{
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BaseTextureCacheData *texture;
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do {
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texture = nullptr;
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{
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std::unique_lock<std::mutex> lock(work_queue_mutex);
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if (!work_queue.empty())
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{
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texture = work_queue.back();
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work_queue.pop_back();
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}
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}
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if (texture != nullptr)
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{
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texture->ComputeHash();
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if (texture->custom_image_data != nullptr)
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{
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free(texture->custom_image_data);
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texture->custom_image_data = nullptr;
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}
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if (!texture->dirty)
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{
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int width, height;
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u8 *image_data = LoadCustomTexture(texture->texture_hash, width, height);
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if (image_data == nullptr)
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{
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image_data = LoadCustomTexture(texture->old_texture_hash, width, height);
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}
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if (image_data != nullptr)
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{
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texture->custom_width = width;
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texture->custom_height = height;
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texture->custom_image_data = image_data;
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}
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}
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texture->custom_load_in_progress--;
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}
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} while (texture != nullptr);
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wakeup_thread.Wait();
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}
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}
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std::string CustomTexture::GetGameId()
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{
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std::string game_id(config::Settings::instance().getGameId());
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const size_t str_end = game_id.find_last_not_of(' ');
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if (str_end == std::string::npos)
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return "";
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game_id = game_id.substr(0, str_end + 1);
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std::replace(game_id.begin(), game_id.end(), ' ', '_');
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return game_id;
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}
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bool CustomTexture::Init()
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{
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if (!initialized)
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{
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initialized = true;
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std::string game_id = GetGameId();
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if (game_id.length() > 0)
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{
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textures_path = get_readonly_data_path("textures/" + game_id) + "/";
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DIR *dir = flycast::opendir(textures_path.c_str());
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if (dir != nullptr)
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{
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INFO_LOG(RENDERER, "Found custom textures directory: %s", textures_path.c_str());
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custom_textures_available = true;
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flycast::closedir(dir);
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loader_thread.Start();
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}
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}
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}
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return custom_textures_available;
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}
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void CustomTexture::Terminate()
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{
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if (initialized)
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{
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initialized = false;
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{
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std::unique_lock<std::mutex> lock(work_queue_mutex);
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work_queue.clear();
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}
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wakeup_thread.Set();
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loader_thread.WaitToEnd();
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texture_map.clear();
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}
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}
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u8* CustomTexture::LoadCustomTexture(u32 hash, int& width, int& height)
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{
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auto it = texture_map.find(hash);
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if (it == texture_map.end())
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return nullptr;
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FILE *file = nowide::fopen(it->second.c_str(), "rb");
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if (file == nullptr)
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return nullptr;
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int n;
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stbi_set_flip_vertically_on_load(1);
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u8 *imgData = stbi_load_from_file(file, &width, &height, &n, STBI_rgb_alpha);
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std::fclose(file);
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return imgData;
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}
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void CustomTexture::LoadCustomTextureAsync(BaseTextureCacheData *texture_data)
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{
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if (!Init())
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return;
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texture_data->custom_load_in_progress++;
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{
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std::unique_lock<std::mutex> lock(work_queue_mutex);
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work_queue.insert(work_queue.begin(), texture_data);
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}
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wakeup_thread.Set();
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}
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void CustomTexture::DumpTexture(u32 hash, int w, int h, TextureType textype, void *src_buffer)
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{
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std::string base_dump_dir = get_writable_data_path("texdump/");
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if (!file_exists(base_dump_dir))
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make_directory(base_dump_dir);
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std::string game_id = GetGameId();
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if (game_id.length() == 0)
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return;
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base_dump_dir += game_id + "/";
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if (!file_exists(base_dump_dir))
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make_directory(base_dump_dir);
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std::stringstream path;
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path << base_dump_dir << std::hex << hash << ".png";
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u16 *src = (u16 *)src_buffer;
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u8 *dst_buffer = (u8 *)malloc(w * h * 4); // 32-bit per pixel
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u8 *dst = dst_buffer;
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for (int y = 0; y < h; y++)
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{
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if (!config::RendererType.isDirectX())
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{
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switch (textype)
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{
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case TextureType::_4444:
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for (int x = 0; x < w; x++)
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{
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*dst++ = ((*src >> 12) & 0xF) << 4;
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*dst++ = ((*src >> 8) & 0xF) << 4;
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*dst++ = ((*src >> 4) & 0xF) << 4;
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*dst++ = (*src & 0xF) << 4;
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src++;
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}
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break;
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case TextureType::_565:
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for (int x = 0; x < w; x++)
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{
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*(u32 *)dst = Unpacker565_32<RGBAPacker>::unpack(*src);
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dst += 4;
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src++;
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}
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break;
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case TextureType::_5551:
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for (int x = 0; x < w; x++)
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{
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*dst++ = ((*src >> 11) & 0x1F) << 3;
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*dst++ = ((*src >> 6) & 0x1F) << 3;
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*dst++ = ((*src >> 1) & 0x1F) << 3;
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*dst++ = (*src & 1) ? 255 : 0;
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src++;
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}
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break;
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case TextureType::_8888:
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memcpy(dst, src, w * 4);
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dst += w * 4;
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src += w * 2;
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break;
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default:
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WARN_LOG(RENDERER, "dumpTexture: unsupported picture format %x", (u32)textype);
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free(dst_buffer);
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return;
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}
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}
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else
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{
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switch (textype)
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{
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case TextureType::_4444:
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for (int x = 0; x < w; x++)
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{
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*(u32 *)dst = Unpacker4444_32<RGBAPacker>::unpack(*src);
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dst += 4;
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src++;
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}
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break;
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case TextureType::_565:
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for (int x = 0; x < w; x++)
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{
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*(u32 *)dst = Unpacker565_32<RGBAPacker>::unpack(*src);
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dst += 4;
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src++;
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}
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break;
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case TextureType::_5551:
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for (int x = 0; x < w; x++)
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{
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*(u32 *)dst = Unpacker1555_32<RGBAPacker>::unpack(*src);
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dst += 4;
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src++;
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}
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break;
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case TextureType::_8888:
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for (int x = 0; x < w; x++)
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{
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*(u32 *)dst = Unpacker8888<RGBAPacker>::unpack(*(u32 *)src);
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dst += 4;
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src += 2;
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}
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break;
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default:
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WARN_LOG(RENDERER, "dumpTexture: unsupported picture format %x", (u32)textype);
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free(dst_buffer);
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return;
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}
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}
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}
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stbi_flip_vertically_on_write(1);
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stbi_write_png(path.str().c_str(), w, h, STBI_rgb_alpha, dst_buffer, 0);
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free(dst_buffer);
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}
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void CustomTexture::LoadMap()
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{
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texture_map.clear();
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DirectoryTree tree(textures_path);
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for (const DirectoryTree::item& item : tree)
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{
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std::string extension = get_file_extension(item.name);
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if (extension != "jpg" && extension != "jpeg" && extension != "png")
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continue;
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std::string::size_type dotpos = item.name.find_last_of('.');
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std::string basename = item.name.substr(0, dotpos);
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char *endptr;
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u32 hash = (u32)strtoll(basename.c_str(), &endptr, 16);
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if (endptr - basename.c_str() < (ptrdiff_t)basename.length())
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{
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INFO_LOG(RENDERER, "Invalid hash %s", basename.c_str());
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continue;
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}
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texture_map[hash] = item.parentPath + "/" + item.name;
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}
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custom_textures_available = !texture_map.empty();
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}
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