💿🐜 Antkeeper source code
https://antkeeper.com
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251 lines
8.1 KiB
251 lines
8.1 KiB
/*
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* Copyright (C) 2021 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 "string-table.hpp"
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#include "renderer/model.hpp"
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#include "entity/components/behavior.hpp"
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#include "entity/components/collision.hpp"
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#include "entity/components/terrain.hpp"
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#include "entity/components/transform.hpp"
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#include "entity/components/model.hpp"
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#include "entity/components/nest.hpp"
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#include "entity/components/tool.hpp"
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#include "entity/components/marker.hpp"
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#include "entity/components/brush.hpp"
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#include "entity/archetype.hpp"
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#include "entity/ebt.hpp"
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#include <sstream>
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#include <stdexcept>
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static bool load_component_behavior(entity::archetype& archetype, resource_manager& resource_manager, const std::vector<std::string>& parameters)
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{
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if (parameters.size() != 2)
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{
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throw std::runtime_error("load_component_behavior(): Invalid parameter count.");
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}
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std::string filename = parameters[1];
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entity::component::behavior component;
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component.behavior_tree = resource_manager.load<entity::ebt::node>(filename);
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if (!component.behavior_tree)
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{
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std::string message = std::string("load_component_behavior(): Failed to load behavior tree \"") + filename + std::string("\"");
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throw std::runtime_error(message);
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}
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archetype.set<entity::component::behavior>(component);
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return true;
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}
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static bool load_component_collision(entity::archetype& archetype, resource_manager& resource_manager, const std::vector<std::string>& parameters)
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{
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if (parameters.size() != 2)
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{
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throw std::runtime_error("load_component_collision(): Invalid parameter count.");
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}
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std::string filename = parameters[1];
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entity::component::collision component;
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component.mesh = resource_manager.load<geom::mesh>(filename);
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if (!component.mesh)
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{
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std::string message = std::string("load_component_collision(): Failed to load model \"") + filename + std::string("\"");
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throw std::runtime_error(message);
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}
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archetype.set<entity::component::collision>(component);
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return true;
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}
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static bool load_component_model(entity::archetype& archetype, resource_manager& resource_manager, const std::vector<std::string>& parameters)
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{
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if (parameters.size() != 2)
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{
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throw std::runtime_error("load_component_model(): Invalid parameter count.");
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}
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std::string filename = parameters[1];
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entity::component::model component;
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component.render_model = resource_manager.load<model>(filename);
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component.instance_count = 0;
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component.layers = 1;
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if (!component.render_model)
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{
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std::string message = std::string("load_component_model(): Failed to load model \"") + filename + std::string("\"");
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throw std::runtime_error(message);
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}
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archetype.set<entity::component::model>(component);
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return true;
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}
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static bool load_component_nest(entity::archetype& archetype, const std::vector<std::string>& parameters)
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{
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entity::component::nest component;
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archetype.set<entity::component::nest>(component);
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return true;
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}
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static bool load_component_marker(entity::archetype& archetype, const std::vector<std::string>& parameters)
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{
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if (parameters.size() != 2)
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{
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throw std::runtime_error("load_component_marker(): Invalid parameter count.");
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}
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entity::component::marker component;
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component.color = std::stoi(parameters[1]);
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archetype.set<entity::component::marker>(component);
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return true;
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}
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static bool load_component_brush(entity::archetype& archetype, const std::vector<std::string>& parameters)
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{
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if (parameters.size() != 2)
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{
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throw std::runtime_error("load_component_brush(): Invalid parameter count.");
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}
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entity::component::brush component;
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component.radius = std::stof(parameters[1]);
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archetype.set<entity::component::brush>(component);
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return true;
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}
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static bool load_component_terrain(entity::archetype& archetype, const std::vector<std::string>& parameters)
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{
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if (parameters.size() != 4)
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{
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throw std::runtime_error("load_component_terrain(): Invalid parameter count.");
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}
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entity::component::terrain component;
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component.subdivisions = std::stoi(parameters[1]);
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component.x = std::stoi(parameters[2]);
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component.z = std::stoi(parameters[3]);
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archetype.set<entity::component::terrain>(component);
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return true;
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}
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static bool load_component_tool(entity::archetype& archetype, const std::vector<std::string>& parameters)
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{
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if (parameters.size() != 5)
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{
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throw std::runtime_error("load_component_tool(): Invalid parameter count.");
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}
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entity::component::tool component;
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component.active = static_cast<bool>(std::stoi(parameters[1]));
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component.idle_distance = std::stof(parameters[2]);
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component.active_distance = std::stof(parameters[3]);
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component.heliotropic = static_cast<bool>(std::stoi(parameters[4]));
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archetype.set<entity::component::tool>(component);
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return true;
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}
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static bool load_component_transform(entity::archetype& archetype, const std::vector<std::string>& parameters)
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{
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if (parameters.size() != 11)
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{
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throw std::runtime_error("load_component_transform(): Invalid parameter count.");
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}
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std::stringstream stream;
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for (std::size_t i = 1; i < parameters.size(); ++i)
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{
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stream << parameters[i];
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if (i < parameters.size() - 1)
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stream << ' ';
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}
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entity::component::transform component;
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stream >> component.local.translation.x;
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stream >> component.local.translation.y;
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stream >> component.local.translation.z;
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stream >> component.local.rotation.w;
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stream >> component.local.rotation.x;
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stream >> component.local.rotation.y;
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stream >> component.local.rotation.z;
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stream >> component.local.scale.x;
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stream >> component.local.scale.y;
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stream >> component.local.scale.z;
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component.warp = true;
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archetype.set<entity::component::transform>(component);
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return true;
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}
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static bool load_component(entity::archetype& archetype, resource_manager& resource_manager, const std::vector<std::string>& parameters)
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{
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if (parameters[0] == "behavior") return load_component_behavior(archetype, resource_manager, parameters);
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if (parameters[0] == "collision") return load_component_collision(archetype, resource_manager, parameters);
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if (parameters[0] == "model") return load_component_model(archetype, resource_manager, parameters);
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if (parameters[0] == "nest") return load_component_nest(archetype, parameters);
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if (parameters[0] == "terrain") return load_component_terrain(archetype, parameters);
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if (parameters[0] == "tool") return load_component_tool(archetype, parameters);
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if (parameters[0] == "transform") return load_component_transform(archetype, parameters);
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if (parameters[0] == "marker") return load_component_marker(archetype, parameters);
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if (parameters[0] == "brush") return load_component_brush(archetype, parameters);
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std::string message = std::string("load_component(): Unknown component type \"") + parameters[0] + std::string("\"");
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throw std::runtime_error(message);
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}
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template <>
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entity::archetype* resource_loader<entity::archetype>::load(resource_manager* resource_manager, PHYSFS_File* file)
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{
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entity::archetype* archetype = new entity::archetype(resource_manager->get_archetype_registry());
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// Load string table from input stream
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string_table* table = resource_loader<string_table>::load(resource_manager, file);
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// Ensure table is not empty.
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if (!table || table->empty())
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{
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delete table;
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return nullptr;
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}
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// Load components from table rows
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for (const string_table_row& row: *table)
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{
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// Skip empty rows and comments
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if (row.empty() || row[0].empty() || row[0][0] == '#')
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{
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continue;
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}
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load_component(*archetype, *resource_manager, row);
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}
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return archetype;
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}
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