Use single box for halo mesh

[minetest.git] / src / environment.h

diff --git a/src/environment.h b/src/environment.h
index 41295abf29ec3b5aa0d6d1d85065078caef2b4f1..e7b818dc998815c80cc182db7376b15e590543d0 100644 (file)
--- a/src/environment.h
+++ b/src/environment.h
@@ -40,6 +40,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "mapnode.h"
 #include "mapblock.h"
 #include "threading/mutex.h"
+#include "threading/atomic.h"
 #include "network/networkprotocol.h" // for AccessDeniedCode
 
 class ServerEnvironment;
@@ -52,6 +53,7 @@ class ServerMap;
 class ClientMap;
 class GameScripting;
 class Player;
+class RemotePlayer;
 
 class Environment
 {
@@ -71,8 +73,7 @@ class Environment
        virtual Map & getMap() = 0;
 
        virtual void addPlayer(Player *player);
-       void removePlayer(u16 peer_id);
-       void removePlayer(const char *name);
+       void removePlayer(Player *player);
        Player * getPlayer(u16 peer_id);
        Player * getPlayer(const char *name);
        Player * getRandomConnectedPlayer();
@@ -92,11 +93,7 @@ class Environment
        void setTimeOfDaySpeed(float speed);
        float getTimeOfDaySpeed();
 
-       void setDayNightRatioOverride(bool enable, u32 value)
-       {
-               m_enable_day_night_ratio_override = enable;
-               m_day_night_ratio_override = value;
-       }
+       void setDayNightRatioOverride(bool enable, u32 value);
 
        // counter used internally when triggering ABMs
        u32 m_added_objects;
@@ -104,16 +101,25 @@ class Environment
 protected:
        // peer_ids in here should be unique, except that there may be many 0s
        std::vector<Player*> m_players;
+
+       GenericAtomic<float> m_time_of_day_speed;
+
+       /*
+        * Below: values managed by m_time_lock
+       */
        // Time of day in milli-hours (0-23999); determines day and night
        u32 m_time_of_day;
        // Time of day in 0...1
        float m_time_of_day_f;
-       float m_time_of_day_speed;
-       // Used to buffer dtime for adding to m_time_of_day
-       float m_time_counter;
+       // Stores the skew created by the float -> u32 conversion
+       // to be applied at next conversion, so that there is no real skew.
+       float m_time_conversion_skew;
        // Overriding the day-night ratio is useful for custom sky visuals
        bool m_enable_day_night_ratio_override;
        u32 m_day_night_ratio_override;
+       /*
+        * Above: values managed by m_time_lock
+       */
 
        /* TODO: Add a callback function so these can be updated when a setting
         *       changes.  At this point in time it doesn't matter (e.g. /set
@@ -127,9 +133,9 @@ class Environment
        bool m_cache_enable_shaders;
 
 private:
-       Mutex m_timeofday_lock;
        Mutex m_time_lock;
 
+       DISABLE_CLASS_COPY(Environment);
 };
 
 /*
@@ -155,6 +161,8 @@ class ActiveBlockModifier
        virtual float getTriggerInterval() = 0;
        // Random chance of (1 / return value), 0 is disallowed
        virtual u32 getTriggerChance() = 0;
+       // Whether to modify chance to simulate time lost by an unnattended block
+       virtual bool getSimpleCatchUp() = 0;
        // This is called usually at interval for 1/chance of the nodes
        virtual void trigger(ServerEnvironment *env, v3s16 p, MapNode n){};
        virtual void trigger(ServerEnvironment *env, v3s16 p, MapNode n,
@@ -195,6 +203,18 @@ class ActiveBlockList
 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.
 
@@ -226,7 +246,7 @@ class ServerEnvironment : public Environment
                const std::string &str_reason, bool reconnect);
        // Save players
        void saveLoadedPlayers();
-       void savePlayer(const std::string &playername);
+       void savePlayer(RemotePlayer *player);
        Player *loadPlayer(const std::string &playername);
 
        /*
@@ -311,8 +331,8 @@ class ServerEnvironment : public Environment
        // Find all active objects inside a radius around a point
        void getObjectsInsideRadius(std::vector<u16> &objects, v3f pos, float radius);
 
-       // Clear all objects, loading and going through every MapBlock
-       void clearAllObjects();
+       // Clear objects, loading and going through every MapBlock
+       void clearObjects(ClearObjectsMode mode);
 
        // This makes stuff happen
        void step(f32 dtime);
@@ -402,6 +422,10 @@ class ServerEnvironment : public Environment
        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;
        // An interval for generally sending object positions and stuff
        float m_recommended_send_interval;