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struct LBMContentMapping
{
typedef std::map<content_t, std::vector<LoadingBlockModifierDef *> > container_map;
container_map map;
std::vector<LoadingBlockModifierDef *> lbm_list;
// Needs to be separate method (not inside destructor),
// because the LBMContentMapping may be copied and destructed
// many times during operation in the lbm_lookup_map.
void deleteContents();
void addLBM(LoadingBlockModifierDef *lbm_def, IGameDef *gamedef);
const std::vector<LoadingBlockModifierDef *> *lookup(content_t c) const;
};
class LBMManager
{
public:
LBMManager():
m_query_mode(false)
{}
~LBMManager();
// Don't call this after loadIntroductionTimes() ran.
void addLBMDef(LoadingBlockModifierDef *lbm_def);
void loadIntroductionTimes(const std::string ×,
IGameDef *gamedef, u32 now);
// Don't call this before loadIntroductionTimes() ran.
std::string createIntroductionTimesString();
// Don't call this before loadIntroductionTimes() ran.
void applyLBMs(ServerEnvironment *env, MapBlock *block, u32 stamp);
// Warning: do not make this std::unordered_map, order is relevant here
typedef std::map<u32, LBMContentMapping> lbm_lookup_map;
private:
// Once we set this to true, we can only query,
// not modify
bool m_query_mode;
// For m_query_mode == false:
// The key of the map is the LBM def's name.
// TODO make this std::unordered_map
std::map<std::string, LoadingBlockModifierDef *> m_lbm_defs;
// For m_query_mode == true:
// The key of the map is the LBM def's first introduction time.
lbm_lookup_map m_lbm_lookup;
// Returns an iterator to the LBMs that were introduced
// after the given time. This is guaranteed to return
// valid values for everything
lbm_lookup_map::const_iterator getLBMsIntroducedAfter(u32 time)
{ return m_lbm_lookup.lower_bound(time); }
};
/*
List of active blocks, used by ServerEnvironment
*/
class ActiveBlockList
{
public:
void update(std::vector<v3s16> &active_positions,
s16 radius,
std::set<v3s16> &blocks_removed,
std::set<v3s16> &blocks_added);
bool contains(v3s16 p){
return (m_list.find(p) != m_list.end());
}
void clear(){
m_list.clear();
}
std::set<v3s16> m_list;
std::set<v3s16> m_forceloaded_list;
private:
};
/*
Operation mode for ServerEnvironment::clearObjects()
*/
enum ClearObjectsMode {
// Load and go through every mapblock, clearing objects
CLEAR_OBJECTS_MODE_FULL,
// Clear objects immediately in loaded mapblocks;
// clear objects in unloaded mapblocks only when the mapblocks are next activated.
CLEAR_OBJECTS_MODE_QUICK,
};
/*
The server-side environment.
This is not thread-safe. Server uses an environment mutex.
*/
class ServerEnvironment : public Environment
{
public:
ServerEnvironment(ServerMap *map, GameScripting *scriptIface,
IGameDef *gamedef, const std::string &path_world);
~ServerEnvironment();
Map & getMap();
ServerMap & getServerMap();
//TODO find way to remove this fct!
GameScripting* getScriptIface()
{ return m_script; }
IGameDef *getGameDef()
{ return m_gamedef; }
float getSendRecommendedInterval()
{ return m_recommended_send_interval; }
void kickAllPlayers(AccessDeniedCode reason,
const std::string &str_reason, bool reconnect);
// Save players
void saveLoadedPlayers();
void savePlayer(RemotePlayer *player);
Player *loadPlayer(const std::string &playername);
/*
Save and load time of day and game timer
*/
void saveMeta();
void loadMeta();
// to be called instead of loadMeta if
// env_meta.txt doesn't exist (e.g. new world)
void loadDefaultMeta();
u32 addParticleSpawner(float exptime);
void deleteParticleSpawner(u32 id);
/*
External ActiveObject interface
-------------------------------------------
*/
ServerActiveObject* getActiveObject(u16 id);
/*
Add 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);
/*
Add an active object as a static object to the corresponding
MapBlock.
Caller allocates memory, ServerEnvironment frees memory.
Return value: true if succeeded, false if failed.
(note: not used, pending removal from engine)
*/
//bool addActiveObjectAsStatic(ServerActiveObject *object);
/*
Find out what new objects have been added to
inside a radius around a position
*/
void getAddedActiveObjects(Player *player, s16 radius,
s16 player_radius,
std::set<u16> ¤t_objects,
std::queue<u16> &added_objects);
/*
Find out what new objects have been removed from
inside a radius around a position
*/
void getRemovedActiveObjects(Player* player, s16 radius,
s16 player_radius,
std::set<u16> ¤t_objects,
std::queue<u16> &removed_objects);
/*
Get the next message emitted by some active object.
Returns a message with id=0 if no messages are available.
*/
ActiveObjectMessage getActiveObjectMessage();
/*
Activate objects and dynamically modify for the dtime determined
from timestamp and additional_dtime
*/
void activateBlock(MapBlock *block, u32 additional_dtime=0);
/*
{Active,Loading}BlockModifiers
-------------------------------------------
*/
void addActiveBlockModifier(ActiveBlockModifier *abm);
void addLoadingBlockModifierDef(LoadingBlockModifierDef *lbm);
/*
Other stuff
-------------------------------------------
*/
// Script-aware node setters
bool setNode(v3s16 p, const MapNode &n);
bool removeNode(v3s16 p);
bool swapNode(v3s16 p, const MapNode &n);
// Find all active objects inside a radius around a point
void getObjectsInsideRadius(std::vector<u16> &objects, v3f pos, float radius);
// Clear objects, loading and going through every MapBlock
void clearObjects(ClearObjectsMode mode);
// This makes stuff happen
void step(f32 dtime);
//check if there's a line of sight between two positions
bool line_of_sight(v3f pos1, v3f pos2, float stepsize=1.0, v3s16 *p=NULL);
u32 getGameTime() { return m_game_time; }
void reportMaxLagEstimate(float f) { m_max_lag_estimate = f; }
float getMaxLagEstimate() { return m_max_lag_estimate; }
std::set<v3s16>* getForceloadedBlocks() { return &m_active_blocks.m_forceloaded_list; };
// Sets the static object status all the active objects in the specified block
// This is only really needed for deleting blocks from the map
void setStaticForActiveObjectsInBlock(v3s16 blockpos,
bool static_exists, v3s16 static_block=v3s16(0,0,0));
private:
/*
Internal ActiveObject interface
-------------------------------------------
*/
/*
Add an active object to the environment.
Called by addActiveObject.
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 addActiveObjectRaw(ServerActiveObject *object, bool set_changed, u32 dtime_s);
/*
Remove all objects that satisfy (m_removed && m_known_by_count==0)
*/
void removeRemovedObjects();
/*
Convert stored objects from block to active
*/
void activateObjects(MapBlock *block, u32 dtime_s);
/*
Convert objects that are not in active blocks to static.
If m_known_by_count != 0, active object is not deleted, but static
data is still updated.
If force_delete is set, active object is deleted nevertheless. It
shall only be set so in the destructor of the environment.
*/
void deactivateFarObjects(bool force_delete);
/*
Member variables
*/
// The map
ServerMap *m_map;
// Lua state
GameScripting* m_script;
// Game definition
IGameDef *m_gamedef;
// World path
const std::string m_path_world;
// Active object list
std::map<u16, ServerActiveObject*> m_active_objects;
// Outgoing network message buffer for active objects
std::queue<ActiveObjectMessage> m_active_object_messages;
// Some timers
float m_send_recommended_timer;
IntervalLimiter m_object_management_interval;
// List of active blocks
ActiveBlockList m_active_blocks;
IntervalLimiter m_active_blocks_management_interval;
IntervalLimiter m_active_block_modifier_interval;
IntervalLimiter m_active_blocks_nodemetadata_interval;
int m_active_block_interval_overload_skip;
// Time from the beginning of the game in seconds.
// Incremented in step().
u32 m_game_time;
// A helper variable for incrementing the latter
float m_game_time_fraction_counter;
// Time of last clearObjects call (game time).
// When a mapblock older than this is loaded, its objects are cleared.
u32 m_last_clear_objects_time;
// Active block modifiers
std::vector<ABMWithState> m_abms;
LBMManager m_lbm_mgr;
// An interval for generally sending object positions and stuff
float m_recommended_send_interval;
// Estimate for general maximum lag as determined by server.
// Can raise to high values like 15s with eg. map generation mods.
float m_max_lag_estimate;
// Particles
IntervalLimiter m_particle_management_interval;
std::map<u32, float> m_particle_spawners;
};
#ifndef SERVER
#include "clientobject.h"
#include "content_cao.h"
class ClientSimpleObject;
/*
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,
CEE_PLAYER_BREATH
};
struct ClientEnvEvent
{
ClientEnvEventType type;
union {
//struct{
//} none;
struct{
u8 amount;
bool send_to_server;
} player_damage;
struct{
u16 amount;
} player_breath;
};
};
class ClientEnvironment : public Environment
{
public:
ClientEnvironment(ClientMap *map, scene::ISceneManager *smgr,
ITextureSource *texturesource, IGameDef *gamedef,
IrrlichtDevice *device);
~ClientEnvironment();
Map & getMap();
ClientMap & getClientMap();
IGameDef *getGameDef()
{ return m_gamedef; }
void step(f32 dtime);
virtual void addPlayer(Player *player);
LocalPlayer * getLocalPlayer();
/*
ClientSimpleObjects
*/
void addSimpleObject(ClientSimpleObject *simple);
/*
ActiveObjects
*/
GenericCAO* getGenericCAO(u16 id);
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, bool handle_hp=true);
void updateLocalPlayerBreath(u16 breath);
/*
Client likes to call these
*/
// Get all nearby objects
void getActiveObjects(v3f origin, f32 max_d,
std::vector<DistanceSortedActiveObject> &dest);
// Get event from queue. CEE_NONE is returned if queue is empty.
ClientEnvEvent getClientEvent();
u16 attachement_parent_ids[USHRT_MAX + 1];
std::list<std::string> getPlayerNames()
{ return m_player_names; }
void addPlayerName(std::string name)
{ m_player_names.push_back(name); }
void removePlayerName(std::string name)
{ m_player_names.remove(name); }
void updateCameraOffset(v3s16 camera_offset)
{ m_camera_offset = camera_offset; }
v3s16 getCameraOffset()
{ return m_camera_offset; }
private:
ClientMap *m_map;
scene::ISceneManager *m_smgr;
ITextureSource *m_texturesource;
IGameDef *m_gamedef;
IrrlichtDevice *m_irr;
std::map<u16, ClientActiveObject*> m_active_objects;
std::vector<ClientSimpleObject*> m_simple_objects;
std::queue<ClientEnvEvent> m_client_event_queue;
IntervalLimiter m_active_object_light_update_interval;
IntervalLimiter m_lava_hurt_interval;
IntervalLimiter m_drowning_interval;
IntervalLimiter m_breathing_interval;
std::list<std::string> m_player_names;
v3s16 m_camera_offset;
};
#endif
#endif