122 lines
2.9 KiB
C++
122 lines
2.9 KiB
C++
#pragma once
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/*
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* Copyright (C) 2024 Brett Terpstra
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*
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* This program 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 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef ASSET_LOADER_H
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#define ASSET_LOADER_H
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#include <sql.h>
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#include <blt/std/expected.h>
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#include <utility>
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#include <blt/std/hashmap.h>
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class load_failure_t
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{
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public:
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enum type_t
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{
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ASSET_FOLDER_NOT_FOUND,
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MODEL_FOLDER_NOT_FOUND,
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TEXTURE_FOLDER_NOT_FOUND,
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TAGS_FOLDER_NOT_FOUND,
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INCORRECT_NAMESPACE
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};
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load_failure_t(const type_t type): type{type} // NOLINT
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{}
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operator type_t() const // NOLINT
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{
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return type;
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}
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[[nodiscard]] std::string to_string() const
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{
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switch (type)
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{
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case ASSET_FOLDER_NOT_FOUND:
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return "Asset folder could not be found";
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case MODEL_FOLDER_NOT_FOUND:
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return "Model folder could not be found";
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case TEXTURE_FOLDER_NOT_FOUND:
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return "Texture folder could not be found";
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case TAGS_FOLDER_NOT_FOUND:
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return "Tags folder could not be found";
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case INCORRECT_NAMESPACE:
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return "Namespace names of models, textures, or data files do not match!";
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default:
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return "Unknown failure type";
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}
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}
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private:
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type_t type;
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};
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struct namespaced_object
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{
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std::string namespace_str;
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std::string key_str;
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[[nodiscard]] std::string string() const
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{
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return namespace_str + ':' + key_str;
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}
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};
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struct model_data_t
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{
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std::optional<namespaced_object> parent;
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std::optional<std::vector<namespaced_object>> textures;
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};
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struct namespace_data_t
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{
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blt::hashmap_t<std::string, model_data_t> models;
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};
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struct asset_data_t
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{
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blt::hashmap_t<std::string, namespace_data_t> json_data;
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blt::hashmap_t<std::string, std::string> solid_textures_to_load;
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blt::hashmap_t<std::string, std::string> non_solid_textures_to_load;
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blt::hashmap_t<std::string, std::string> namespace_asset_folders;
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blt::hashmap_t<std::string, std::string> namespace_data_folders;
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blt::hashmap_t<std::string, std::string> namespace_texture_folders;
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[[nodiscard]] std::vector<namespaced_object> resolve_parents(const namespaced_object& model) const;
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};
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class asset_loader_t
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{
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public:
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explicit asset_loader_t(std::string name);
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std::optional<load_failure_t> load_assets(const std::string& asset_folder, const std::optional<std::string>& data_folder = {});
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asset_data_t& load_textures();
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private:
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asset_data_t data;
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database_t db;
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std::string name;
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};
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#endif //ASSET_LOADER_H
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