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