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- /*
- * Copyright (C) 2021 Christopher J. Howard
- *
- * This file is part of Antkeeper source code.
- *
- * Antkeeper source code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * Antkeeper source code is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with Antkeeper source code. If not, see <http://www.gnu.org/licenses/>.
- */
-
- #include "resource-loader.hpp"
- #include "resource-manager.hpp"
- #include "game/biome.hpp"
- #include "math/angles.hpp"
- #include <nlohmann/json.hpp>
- #include <physfs.h>
-
- template <typename T>
- static bool load_value(T* value, const nlohmann::json& json, const std::string& name)
- {
- if (auto element = json.find(name); element != json.end())
- {
- *value = element.value().get<T>();
- return true;
- }
-
- return false;
- }
-
- template <typename T>
- static bool load_array(T* value, std::size_t size, const nlohmann::json& json, const std::string& name)
- {
- if (auto element = json.find(name); element != json.end())
- {
- std::size_t i = 0;
- for (auto it = element.value().cbegin(); (it != element.value().cend()) && (i < size); ++it)
- {
- *(value++) = it.value().get<float>();
- ++i;
- }
-
- return true;
- }
-
- return false;
- }
-
- template <>
- biome* resource_loader<biome>::load(resource_manager* resource_manager, PHYSFS_File* file)
- {
- // Read file into buffer
- std::size_t size = static_cast<int>(PHYSFS_fileLength(file));
- std::string buffer;
- buffer.resize(size);
- PHYSFS_readBytes(file, &buffer[0], size);
-
- // Parse json from file buffer
- nlohmann::json json = nlohmann::json::parse(buffer);
-
- biome* biome = new ::biome();
-
- load_value(&biome->name, json, "name");
-
- float3 location;
- if (load_array(&location.x, 3, json, "location"))
- {
- biome->location = {math::radians(location.x), math::radians(location.y), location.z};
- }
-
- if (auto terrain = json.find("terrain"); terrain != json.end())
- {
- std::string material_filename;
- if (load_value(&material_filename, terrain.value(), "material"))
- {
- biome->terrain_material = resource_manager->load<::material>(material_filename);
- }
- }
-
- if (auto weather = json.find("weather"); weather != json.end())
- {
- std::string sky_palette_filename;
- if (load_value(&sky_palette_filename, weather.value(), "sky_palette"))
- {
- biome->sky_palette = resource_manager->load<image>(sky_palette_filename);
- }
-
- std::string sun_palette_filename;
- if (load_value(&sun_palette_filename, weather.value(), "sun_palette"))
- {
- biome->sun_palette = resource_manager->load<image>(sun_palette_filename);
- }
-
- std::string moon_palette_filename;
- if (load_value(&moon_palette_filename, weather.value(), "moon_palette"))
- {
- biome->moon_palette = resource_manager->load<image>(moon_palette_filename);
- }
-
- std::string ambient_palette_filename;
- if (load_value(&ambient_palette_filename, weather.value(), "ambient_palette"))
- {
- biome->ambient_palette = resource_manager->load<image>(ambient_palette_filename);
- }
-
- std::string shadow_palette_filename;
- if (load_value(&shadow_palette_filename, weather.value(), "shadow_palette"))
- {
- biome->shadow_palette = resource_manager->load<image>(shadow_palette_filename);
- }
- }
-
- return biome;
- }
-
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