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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/>.
- */
-
- #ifndef ANTKEEPER_ECS_PAINTING_SYSTEM_HPP
- #define ANTKEEPER_ECS_PAINTING_SYSTEM_HPP
-
- #include "entity-system.hpp"
- #include "ecs/entity.hpp"
- #include "event/event-handler.hpp"
- #include "game/events/tool-events.hpp"
- #include "utility/fundamental-types.hpp"
- #include "scene/collection.hpp"
- #include "scene/model-instance.hpp"
- #include "gl/vertex-buffer.hpp"
- #include <vector>
- #include <optional>
-
- class material;
- class event_dispatcher;
- class resource_manager;
- class model;
- class model_group;
-
- namespace ecs {
-
- class painting_system: public entity_system,
- public event_handler<tool_pressed_event>,
- public event_handler<tool_released_event>
- {
- public:
- painting_system(ecs::registry& registry, event_dispatcher* event_dispatcher, resource_manager* resource_manager);
- virtual ~painting_system();
- virtual void update(double t, double dt);
-
- void set_scene(scene::collection* collection);
-
- private:
- virtual void handle_event(const tool_pressed_event& event);
- virtual void handle_event(const tool_released_event& event);
-
- std::optional<std::tuple<float3, float3>> cast_ray(const float3& position) const;
-
- event_dispatcher* event_dispatcher;
- resource_manager* resource_manager;
- scene::collection* scene_collection;
-
- bool painting;
- entity brush_entity;
- float3 stroke_start;
- float3 stroke_end;
- float min_stroke_length;
- float min_stroke_length_squared;
- float stroke_width;
- int max_stroke_segments;
- int current_stroke_segment;
- float max_miter_angle;
- float decal_offset;
- float3 stroke_bounds_min;
- float3 stroke_bounds_max;
- float3 p0;
- float3 p0a;
- float3 p0b;
-
- std::size_t vertex_size;
- std::size_t vertex_stride;
- std::size_t vertex_count;
-
- model* stroke_model;
- model_group* stroke_model_group;
- gl::vertex_buffer* stroke_vbo;
- bool midstroke;
-
- scene::model_instance* stroke_model_instance;
- };
-
- } // namespace ecs
-
- #endif // ANTKEEPER_ECS_PAINTING_SYSTEM_HPP
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