gameworld.h

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/* (c) Magnus Auvinen. See licence.txt in the root of the distribution for more information. */
/* If you are missing that file, acquire a complete release at teeworlds.com.                */
#ifndef GAME_SERVER_GAMEWORLD_H
#define GAME_SERVER_GAMEWORLD_H
 
#include "save.h"
 
#include <game/gamecore.h>
 
#include <vector>
 
class CCollision;
class CEntity;
class CCharacter;
 
/*
    Class: Game World
        Tracks all entities in the game. Propagates tick and
        snap calls to all entities.
*/
class CGameWorld
{
public:
    enum
    {
        ENTTYPE_PROJECTILE = 0,
        ENTTYPE_LASER,
        ENTTYPE_PICKUP,
        ENTTYPE_FLAG,
        ENTTYPE_CHARACTER,
        NUM_ENTTYPES
    };
 
private:
    void Reset();
    void RemoveEntities();
 
    CEntity *m_pNextTraverseEntity = nullptr;
    CEntity *m_apFirstEntityTypes[NUM_ENTTYPES];
 
    class CGameContext *m_pGameServer;
    class CConfig *m_pConfig;
    class IServer *m_pServer;
    CTuningParams *m_pTuningList;
 
public:
    class CGameContext *GameServer() { return m_pGameServer; }
    class CConfig *Config() { return m_pConfig; }
    class IServer *Server() { return m_pServer; }
 
    bool m_ResetRequested;
    bool m_Paused;
    CWorldCore m_Core;
 
    CGameWorld();
    ~CGameWorld();
 
    void SetGameServer(CGameContext *pGameServer);
    void Init(CCollision *pCollision, CTuningParams *pTuningList);
 
    CEntity *FindFirst(int Type);
 
    /*
        Function: FindEntities
            Finds entities close to a position and returns them in a list.
 
        Arguments:
            Pos - Position.
            Radius - How close the entities have to be.
            ppEnts - Pointer to a list that should be filled with the pointers
                to the entities.
            Max - Number of entities that fits into the ents array.
            Type - Type of the entities to find.
 
        Returns:
            Number of entities found and added to the ents array.
    */
    int FindEntities(vec2 Pos, float Radius, CEntity **ppEnts, int Max, int Type);

    CCharacter *IntersectCharacter(vec2 Pos0, vec2 Pos1, float Radius, vec2 &NewPos, const CCharacter *pNotThis = nullptr, int CollideWith = -1, const CCharacter *pThisOnly = nullptr);

    CEntity *IntersectEntity(vec2 Pos0, vec2 Pos1, float Radius, int Type, vec2 &NewPos, const CEntity *pNotThis = nullptr, int CollideWith = -1, const CEntity *pThisOnly = nullptr);
 
    /*
        Function: ClosestCharacter
            Finds the closest CCharacter to a specific point.
 
        Arguments:
            Pos - The center position.
            Radius - How far off the CCharacter is allowed to be
            pNotThis - Entity to ignore
 
        Returns:
            Returns a pointer to the closest CCharacter or NULL if no CCharacter is close enough.
    */
    CCharacter *ClosestCharacter(vec2 Pos, float Radius, const CEntity *pNotThis);
 
    /*
        Function: InsertEntity
            Adds an entity to the world.
 
        Arguments:
            pEntity - Entity to add
    */
    void InsertEntity(CEntity *pEntity);
 
    /*
        Function: RemoveEntity
            Removes an entity from the world.
 
        Arguments:
            pEntity - Entity to remove
    */
    void RemoveEntity(CEntity *pEntity);
 
    void RemoveEntitiesFromPlayer(int PlayerId);
    void RemoveEntitiesFromPlayers(int PlayerIds[], int NumPlayers);
 
    /*
        Function: Snap
            Calls Snap on all the entities in the world to create
            the snapshot.
 
        Arguments:
            SnappingClient - ID of the client which snapshot
            is being created.
    */
    void Snap(int SnappingClient);
 
    /*
        Function: Tick
            Calls Tick on all the entities in the world to progress
            the world to the next tick.
    */
    void Tick();
 
    /*
        Function: SwapClients
            Calls SwapClients on all the entities in the world to ensure that /swap
            command is handled safely.
    */
    void SwapClients(int Client1, int Client2);
 
    /*
        Function: BlocksSave
            Checks if any entity would block /save
    */
    ESaveResult BlocksSave(int ClientId);
 
    // DDRace
    void ReleaseHooked(int ClientId);
 
    /*
        Function: IntersectedCharacters
            Finds all CCharacters that intersect the line.
 
        Arguments:
            Pos0 - Start position
            Pos1 - End position
            Radius - How for from the line the CCharacter is allowed to be.
            pNotThis - Entity to ignore intersecting with
 
        Returns:
            Returns list with all Characters on line.
    */
    std::vector<CCharacter *> IntersectedCharacters(vec2 Pos0, vec2 Pos1, float Radius, const CEntity *pNotThis = nullptr);
 
    const CTuningParams *TuningList() const { return m_pTuningList; }
    CTuningParams *TuningList() { return m_pTuningList; }
    const CTuningParams *GetTuning(int i) const { return &TuningList()[i]; }
    CTuningParams *GetTuning(int i) { return &TuningList()[i]; }
};
 
#endif