💿🐜 Antkeeper source code
https://antkeeper.com
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131 lines
4.2 KiB
131 lines
4.2 KiB
/*
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* Copyright (C) 2020 Christopher J. Howard
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*
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* This file is part of Antkeeper source code.
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*
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* Antkeeper source code 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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* Antkeeper source code 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 Antkeeper source code. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "resource-loader.hpp"
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#include "resource-manager.hpp"
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#include "game/biome.hpp"
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#include "math/angles.hpp"
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#include <nlohmann/json.hpp>
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#include <physfs.h>
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template <typename T>
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static bool load_value(T* value, const nlohmann::json& json, const std::string& name)
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{
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if (auto element = json.find(name); element != json.end())
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{
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*value = element.value().get<T>();
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return true;
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}
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return false;
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}
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template <typename T>
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static bool load_array(T* value, std::size_t size, const nlohmann::json& json, const std::string& name)
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{
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if (auto element = json.find(name); element != json.end())
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{
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std::size_t i = 0;
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for (auto it = element.value().cbegin(); (it != element.value().cend()) && (i < size); ++it)
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{
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*(value++) = it.value().get<float>();
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++i;
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}
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return true;
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}
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return false;
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}
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template <>
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biome* resource_loader<biome>::load(resource_manager* resource_manager, PHYSFS_File* file)
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{
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// Read file into buffer
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std::size_t size = static_cast<int>(PHYSFS_fileLength(file));
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std::string buffer;
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buffer.resize(size);
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PHYSFS_readBytes(file, &buffer[0], size);
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// Parse json from file buffer
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nlohmann::json json = nlohmann::json::parse(buffer);
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biome* biome = new ::biome();
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load_value(&biome->name, json, "name");
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if (auto terrain = json.find("terrain"); terrain != json.end())
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{
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std::string material_filename;
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if (load_value(&material_filename, terrain.value(), "material"))
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{
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biome->terrain_material = resource_manager->load<::material>(material_filename);
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}
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}
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if (auto weather = json.find("weather"); weather != json.end())
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{
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load_array(&biome->ambient_color.x, 3, weather.value(), "ambient_color");
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load_value(&biome->ambient_intensity, weather.value(), "ambient_intensity");
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load_value(&biome->sun_azimuth, weather.value(), "sun_azimuth");
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biome->sun_azimuth = math::radians(biome->sun_azimuth);
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load_value(&biome->sun_elevation, weather.value(), "sun_elevation");
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biome->sun_elevation = math::radians(biome->sun_elevation);
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load_array(&biome->sun_color.x, 3, weather.value(), "sun_color");
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load_value(&biome->sun_intensity, weather.value(), "sun_intensity");
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load_value(&biome->sun_angular_radius, weather.value(), "sun_angular_radius");
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biome->sun_angular_radius = math::radians(biome->sun_angular_radius);
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load_array(&biome->horizon_color.x, 3, weather.value(), "horizon_color");
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load_array(&biome->zenith_color.x, 3, weather.value(), "zenith_color");
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load_value(&biome->wind_speed, weather.value(), "wind_speed");
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load_value(&biome->wind_direction, weather.value(), "wind_direction");
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biome->wind_direction = math::radians(biome->wind_direction);
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std::string sky_palette_filename;
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if (load_value(&sky_palette_filename, weather.value(), "sky_palette"))
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{
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biome->sky_palette = resource_manager->load<image>(sky_palette_filename);
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}
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std::string sun_palette_filename;
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if (load_value(&sun_palette_filename, weather.value(), "sun_palette"))
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{
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biome->sun_palette = resource_manager->load<image>(sun_palette_filename);
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}
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std::string ambient_palette_filename;
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if (load_value(&ambient_palette_filename, weather.value(), "ambient_palette"))
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{
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biome->ambient_palette = resource_manager->load<image>(ambient_palette_filename);
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}
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std::string shadow_palette_filename;
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if (load_value(&shadow_palette_filename, weather.value(), "shadow_palette"))
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{
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biome->shadow_palette = resource_manager->load<image>(shadow_palette_filename);
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}
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}
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return biome;
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}
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