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- /*
- Minetest-c55
- Copyright (C) 2010 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 General Public License as published by
- the Free Software Foundation; either version 2 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 General Public License for more details.
- You should have received a copy of the GNU 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.
- */
- #ifndef ENVIRONMENT_HEADER
- #define ENVIRONMENT_HEADER
- /*
- This class is the game's environment.
- It contains:
- - The map
- - Players
- - Other objects
- - The current time in the game (actually it only contains the brightness)
- - etc.
- */
- #include <list>
- #include "common_irrlicht.h"
- #include "player.h"
- #include "map.h"
- #include <ostream>
- #include "utility.h"
- class Environment
- {
- public:
- // Environment will delete the map passed to the constructor
- Environment();
- virtual ~Environment();
- /*
- Step everything in environment.
- - Move players
- - Step mobs
- - Run timers of map
- */
- virtual void step(f32 dtime) = 0;
- virtual Map & getMap() = 0;
- virtual void addPlayer(Player *player);
- void removePlayer(u16 peer_id);
- Player * getPlayer(u16 peer_id);
- Player * getPlayer(const char *name);
- Player * getRandomConnectedPlayer();
- Player * getNearestConnectedPlayer(v3f pos);
- core::list<Player*> getPlayers();
- core::list<Player*> getPlayers(bool ignore_disconnected);
- void printPlayers(std::ostream &o);
-
- void setDayNightRatio(u32 r);
- u32 getDayNightRatio();
- protected:
- // peer_ids in here should be unique, except that there may be many 0s
- core::list<Player*> m_players;
- // Brightness
- u32 m_daynight_ratio;
- };
- /*
- The server-side environment.
- This is not thread-safe. Server uses an environment mutex.
- */
- #include "serverobject.h"
- class Server;
- class ServerEnvironment : public Environment
- {
- public:
- ServerEnvironment(ServerMap *map, Server *server);
- ~ServerEnvironment();
- Map & getMap()
- {
- return *m_map;
- }
- ServerMap & getServerMap()
- {
- return *m_map;
- }
- Server * getServer()
- {
- return m_server;
- }
- void step(f32 dtime);
- void serializePlayers(const std::string &savedir);
- void deSerializePlayers(const std::string &savedir);
- /*
- ActiveObjects
- */
- ServerActiveObject* getActiveObject(u16 id);
- /*
- Adds an active object to the environment.
- Environment handles deletion of object.
- Object may be deleted by environment immediately.
- If id of object is 0, assigns a free id to it.
- Returns the id of the object.
- Returns 0 if not added and thus deleted.
- */
- u16 addActiveObject(ServerActiveObject *object);
-
- /*
- Finds out what new objects have been added to
- inside a radius around a position
- */
- void getAddedActiveObjects(v3s16 pos, s16 radius,
- core::map<u16, bool> ¤t_objects,
- core::map<u16, bool> &added_objects);
- /*
- Finds out what new objects have been removed from
- inside a radius around a position
- */
- void getRemovedActiveObjects(v3s16 pos, s16 radius,
- core::map<u16, bool> ¤t_objects,
- core::map<u16, bool> &removed_objects);
-
- /*
- Gets the next message emitted by some active object.
- Returns a message with id=0 if no messages are available.
- */
- ActiveObjectMessage getActiveObjectMessage();
-
- private:
- ServerMap *m_map;
- Server *m_server;
- core::map<u16, ServerActiveObject*> m_active_objects;
- Queue<ActiveObjectMessage> m_active_object_messages;
- float m_random_spawn_timer;
- float m_send_recommended_timer;
- IntervalLimiter m_object_management_interval;
- };
- #ifndef SERVER
- #include "clientobject.h"
- /*
- The client-side environment.
- This is not thread-safe.
- Must be called from main (irrlicht) thread (uses the SceneManager)
- Client uses an environment mutex.
- */
- enum ClientEnvEventType
- {
- CEE_NONE,
- CEE_PLAYER_DAMAGE
- };
- struct ClientEnvEvent
- {
- ClientEnvEventType type;
- union {
- struct{
- } none;
- struct{
- u8 amount;
- } player_damage;
- };
- };
- class ClientEnvironment : public Environment
- {
- public:
- ClientEnvironment(ClientMap *map, scene::ISceneManager *smgr);
- ~ClientEnvironment();
- Map & getMap()
- {
- return *m_map;
- }
- ClientMap & getClientMap()
- {
- return *m_map;
- }
- void step(f32 dtime);
- virtual void addPlayer(Player *player);
- LocalPlayer * getLocalPlayer();
- void updateMeshes(v3s16 blockpos);
- void expireMeshes(bool only_daynight_diffed);
- /*
- ActiveObjects
- */
-
- ClientActiveObject* getActiveObject(u16 id);
- /*
- Adds an active object to the environment.
- Environment handles deletion of object.
- Object may be deleted by environment immediately.
- If id of object is 0, assigns a free id to it.
- Returns the id of the object.
- Returns 0 if not added and thus deleted.
- */
- u16 addActiveObject(ClientActiveObject *object);
- void addActiveObject(u16 id, u8 type, const std::string &init_data);
- void removeActiveObject(u16 id);
- void processActiveObjectMessage(u16 id, const std::string &data);
- /*
- Callbacks for activeobjects
- */
- void damageLocalPlayer(u8 damage);
- /*
- Client likes to call these
- */
-
- // Get all nearby objects
- void getActiveObjects(v3f origin, f32 max_d,
- core::array<DistanceSortedActiveObject> &dest);
-
- // Get event from queue. CEE_NONE is returned if queue is empty.
- ClientEnvEvent getClientEvent();
-
- private:
- ClientMap *m_map;
- scene::ISceneManager *m_smgr;
- core::map<u16, ClientActiveObject*> m_active_objects;
- Queue<ClientEnvEvent> m_client_event_queue;
- };
- #endif
- #endif
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