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- /*
- Minetest
- Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
- This program 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 Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public License along
- with this program; if not, write to the Free Software Foundation, Inc.,
- 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
- #pragma once
- #include <iostream>
- #include "irrlichttypes_extrabloated.h"
- #include "client/tile.h"
- #include "localplayer.h"
- #include "../particles.h"
- struct ClientEvent;
- class ParticleManager;
- class ClientEnvironment;
- struct MapNode;
- struct ContentFeatures;
- struct ClientParticleTexture
- {
- /* per-spawner structure used to store the ParticleTexture structs
- * that spawned particles will refer to through ClientParticleTexRef */
- ParticleTexture tex;
- video::ITexture *ref = nullptr;
- ClientParticleTexture() = default;
- ClientParticleTexture(const ServerParticleTexture& p, ITextureSource *t):
- tex(p),
- ref(t->getTextureForMesh(p.string)) {};
- };
- struct ClientParticleTexRef
- {
- /* per-particle structure used to avoid massively duplicating the
- * fairly large ParticleTexture struct */
- ParticleTexture *tex = nullptr;
- video::ITexture *ref = nullptr;
- ClientParticleTexRef() = default;
- /* constructor used by particles spawned from a spawner */
- explicit ClientParticleTexRef(ClientParticleTexture &t):
- tex(&t.tex), ref(t.ref) {};
- /* constructor used for node particles */
- explicit ClientParticleTexRef(video::ITexture *tp): ref(tp) {};
- };
- class ParticleSpawner;
- class Particle : public scene::ISceneNode
- {
- public:
- Particle(
- IGameDef *gamedef,
- LocalPlayer *player,
- ClientEnvironment *env,
- const ParticleParameters &p,
- const ClientParticleTexRef &texture,
- v2f texpos,
- v2f texsize,
- video::SColor color,
- ParticleSpawner *parent = nullptr,
- std::unique_ptr<ClientParticleTexture> owned_texture = nullptr
- );
- virtual const aabb3f &getBoundingBox() const
- {
- return m_box;
- }
- virtual u32 getMaterialCount() const
- {
- return 1;
- }
- virtual video::SMaterial& getMaterial(u32 i)
- {
- return m_material;
- }
- virtual void OnRegisterSceneNode();
- virtual void render();
- void step(float dtime);
- bool isExpired ()
- { return m_expiration < m_time; }
- ParticleSpawner *getParent() { return m_parent; }
- private:
- void updateLight();
- void updateVertices();
- void setVertexAlpha(float a);
- video::S3DVertex m_vertices[4];
- float m_time = 0.0f;
- float m_expiration;
- ClientEnvironment *m_env;
- IGameDef *m_gamedef;
- aabb3f m_box;
- aabb3f m_collisionbox;
- ClientParticleTexRef m_texture;
- video::SMaterial m_material;
- v2f m_texpos;
- v2f m_texsize;
- v3f m_pos;
- v3f m_velocity;
- v3f m_acceleration;
- const ParticleParameters m_p;
- LocalPlayer *m_player;
- //! Color without lighting
- video::SColor m_base_color;
- //! Final rendered color
- video::SColor m_color;
- float m_animation_time = 0.0f;
- int m_animation_frame = 0;
- float m_alpha = 0.0f;
- ParticleSpawner *m_parent = nullptr;
- // Used if not spawned from a particlespawner
- std::unique_ptr<ClientParticleTexture> m_owned_texture;
- };
- class ParticleSpawner
- {
- public:
- ParticleSpawner(IGameDef *gamedef,
- LocalPlayer *player,
- const ParticleSpawnerParameters ¶ms,
- u16 attached_id,
- std::vector<ClientParticleTexture> &&texpool,
- ParticleManager *p_manager);
- void step(float dtime, ClientEnvironment *env);
- bool getExpired() const
- { return p.amount <= 0 && p.time != 0; }
- bool hasActive() const { return m_active != 0; }
- void decrActive() { m_active -= 1; }
- private:
- void spawnParticle(ClientEnvironment *env, float radius,
- const core::matrix4 *attached_absolute_pos_rot_matrix);
- size_t m_active;
- ParticleManager *m_particlemanager;
- float m_time;
- IGameDef *m_gamedef;
- LocalPlayer *m_player;
- ParticleSpawnerParameters p;
- std::vector<ClientParticleTexture> m_texpool;
- std::vector<float> m_spawntimes;
- u16 m_attached_id;
- };
- /**
- * Class doing particle as well as their spawners handling
- */
- class ParticleManager
- {
- friend class ParticleSpawner;
- public:
- ParticleManager(ClientEnvironment* env);
- DISABLE_CLASS_COPY(ParticleManager)
- ~ParticleManager();
- void step (float dtime);
- void handleParticleEvent(ClientEvent *event, Client *client,
- LocalPlayer *player);
- void addDiggingParticles(IGameDef *gamedef, LocalPlayer *player, v3s16 pos,
- const MapNode &n, const ContentFeatures &f);
- void addNodeParticle(IGameDef *gamedef, LocalPlayer *player, v3s16 pos,
- const MapNode &n, const ContentFeatures &f);
- void reserveParticleSpace(size_t max_estimate);
- /**
- * This function is only used by client particle spawners
- *
- * We don't need to check the particle spawner list because client ID will
- * never overlap (u64)
- * @return new id
- */
- u64 generateSpawnerId()
- {
- return m_next_particle_spawner_id++;
- }
- protected:
- static bool getNodeParticleParams(const MapNode &n, const ContentFeatures &f,
- ParticleParameters &p, video::ITexture **texture, v2f &texpos,
- v2f &texsize, video::SColor *color, u8 tilenum = 0);
- void addParticle(std::unique_ptr<Particle> toadd);
- private:
- void addParticleSpawner(u64 id, std::unique_ptr<ParticleSpawner> toadd);
- void deleteParticleSpawner(u64 id);
- void stepParticles(float dtime);
- void stepSpawners(float dtime);
- void clearAll();
- std::vector<std::unique_ptr<Particle>> m_particles;
- std::unordered_map<u64, std::unique_ptr<ParticleSpawner>> m_particle_spawners;
- std::vector<std::unique_ptr<ParticleSpawner>> m_dying_particle_spawners;
- // Start the particle spawner ids generated from here after u32_max. lower values are
- // for server sent spawners.
- u64 m_next_particle_spawner_id = U32_MAX + 1;
- ClientEnvironment *m_env;
- std::mutex m_particle_list_lock;
- std::mutex m_spawner_list_lock;
- };
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