💿🐜 Antkeeper source code
https://antkeeper.com
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78 lines
3.6 KiB
78 lines
3.6 KiB
/*
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* Copyright (C) 2023 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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#ifndef ANTKEEPER_GAME_CONSTRAINT_SYSTEM_HPP
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#define ANTKEEPER_GAME_CONSTRAINT_SYSTEM_HPP
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#include "game/systems/updatable-system.hpp"
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#include "game/components/transform-component.hpp"
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#include "game/constraints/child-of-constraint.hpp"
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#include "game/constraints/copy-rotation-constraint.hpp"
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#include "game/constraints/copy-scale-constraint.hpp"
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#include "game/constraints/copy-transform-constraint.hpp"
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#include "game/constraints/copy-translation-constraint.hpp"
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#include "game/constraints/ease-to-constraint.hpp"
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#include "game/constraints/pivot-constraint.hpp"
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#include "game/constraints/spring-rotation-constraint.hpp"
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#include "game/constraints/spring-to-constraint.hpp"
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#include "game/constraints/spring-translation-constraint.hpp"
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#include "game/constraints/three-dof-constraint.hpp"
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#include "game/constraints/track-to-constraint.hpp"
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#include <engine/entity/id.hpp>
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/**
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* Applies constraint stacks to transform components.
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*/
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class constraint_system:
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public updatable_system
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{
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public:
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explicit constraint_system(entity::registry& registry);
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~constraint_system();
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virtual void update(double t, double dt);
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/**
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* Manually evaluates an entity's constraints.
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*
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* @param entity_id ID of a constrained entity.
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*/
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void evaluate(entity::id entity_id);
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private:
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void on_constraint_stack_update(entity::registry& registry, entity::id constraint_stack_eid);
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void handle_constraint(transform_component& transform, entity::id constraint_eid, float dt);
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void handle_child_of_constraint(transform_component& transform, const child_of_constraint& constraint);
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void handle_copy_rotation_constraint(transform_component& transform, const copy_rotation_constraint& constraint);
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void handle_copy_scale_constraint(transform_component& transform, const copy_scale_constraint& constraint);
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void handle_copy_transform_constraint(transform_component& transform, const copy_transform_constraint& constraint);
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void handle_copy_translation_constraint(transform_component& transform, const copy_translation_constraint& constraint);
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void handle_ease_to_constraint(transform_component& transform, ease_to_constraint& constraint, float dt);
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void handle_pivot_constraint(transform_component& transform, const pivot_constraint& constraint);
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void handle_spring_rotation_constraint(transform_component& transform, spring_rotation_constraint& constraint, float dt);
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void handle_spring_to_constraint(transform_component& transform, spring_to_constraint& constraint, float dt);
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void handle_spring_translation_constraint(transform_component& transform, spring_translation_constraint& constraint, float dt);
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void handle_three_dof_constraint(transform_component& transform, const three_dof_constraint& constraint);
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void handle_track_to_constraint(transform_component& transform, const track_to_constraint& constraint);
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};
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#endif // ANTKEEPER_GAME_CONSTRAINT_SYSTEM_HPP
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