💿🐜 Antkeeper source code
https://antkeeper.com
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143 lines
4.4 KiB
143 lines
4.4 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 "entity/commands.hpp"
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#include "entity/components/model.hpp"
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#include "entity/components/transform.hpp"
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#include "entity/components/copy-transform.hpp"
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#include "entity/components/snap.hpp"
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#include "entity/components/parent.hpp"
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#include <limits>
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namespace entity {
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namespace command {
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void translate(entity::registry& registry, entity::id entity_id, const float3& translation)
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{
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if (registry.has<component::transform>(entity_id))
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{
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component::transform& transform = registry.get<component::transform>(entity_id);
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transform.local.translation += translation;
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}
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}
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void move_to(entity::registry& registry, entity::id entity_id, const float3& position)
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{
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if (registry.has<component::transform>(entity_id))
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{
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component::transform& transform = registry.get<component::transform>(entity_id);
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transform.local.translation = position;
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}
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}
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void warp_to(entity::registry& registry, entity::id entity_id, const float3& position)
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{
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if (registry.has<component::transform>(entity_id))
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{
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component::transform& transform = registry.get<component::transform>(entity_id);
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transform.local.translation = position;
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transform.warp = true;
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}
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}
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void set_scale(entity::registry& registry, entity::id entity_id, const float3& scale)
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{
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if (registry.has<component::transform>(entity_id))
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{
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component::transform& transform = registry.get<component::transform>(entity_id);
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transform.local.scale = scale;
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}
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}
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void set_transform(entity::registry& registry, entity::id entity_id, const math::transform<float>& transform, bool warp)
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{
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if (registry.has<component::transform>(entity_id))
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{
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component::transform& component = registry.get<component::transform>(entity_id);
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component.local = transform;
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component.warp = warp;
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}
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}
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void place(entity::registry& registry, entity::id entity_id, const float2& translation)
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{
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component::snap component;
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component.warp = true;
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component.relative = false;
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component.autoremove = true;
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component.ray.origin = {translation[0], 10000.0f, translation[1]};
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component.ray.direction = {0.0f, -1.0f, 0.0f};
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registry.assign_or_replace<component::snap>(entity_id, component);
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}
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void assign_render_layers(entity::registry& registry, entity::id entity_id, unsigned int layers)
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{
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if (registry.has<component::model>(entity_id))
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{
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component::model model = registry.get<component::model>(entity_id);
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model.layers = layers;
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registry.replace<component::model>(entity_id, model);
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// Apply to child layers
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registry.view<component::parent>().each(
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[&](entity::id entity_id, auto& component)
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{
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if (component.parent == entity_id)
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assign_render_layers(registry, entity_id, layers);
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});
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}
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}
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void bind_transform(entity::registry& registry, entity::id source, entity::id target)
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{
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component::copy_transform copy_transform = {target};
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registry.assign_or_replace<component::copy_transform>(source, copy_transform);
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}
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math::transform<float> get_local_transform(entity::registry& registry, entity::id entity_id)
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{
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if (registry.has<component::transform>(entity_id))
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{
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const component::transform& component = registry.get<component::transform>(entity_id);
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return component.local;
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}
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return math::identity_transform<float>;
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}
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math::transform<float> get_world_transform(entity::registry& registry, entity::id entity_id)
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{
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if (registry.has<component::transform>(entity_id))
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{
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const component::transform& component = registry.get<component::transform>(entity_id);
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return component.world;
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}
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return math::identity_transform<float>;
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}
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void parent(entity::registry& registry, entity::id child, entity::id parent)
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{
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component::parent component;
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component.parent = parent;
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registry.assign_or_replace<component::parent>(child, component);
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}
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} // namespace command
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} // namespace entity
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