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_CLIENT_PREDICTION_GAMEWORLD_H
#define GAME_CLIENT_PREDICTION_GAMEWORLD_H
 
#include <game/gamecore.h>
#include <game/teamscore.h>
 
#include <list>
#include <vector>
 
class CCollision;
class CCharacter;
class CEntity;
class CMapBugs;
 
class CGameWorld
{
public:
    enum
    {
        ENTTYPE_PROJECTILE = 0,
        ENTTYPE_LASER,
        ENTTYPE_DOOR,
        ENTTYPE_DRAGGER,
        ENTTYPE_LIGHT,
        ENTTYPE_GUN,
        ENTTYPE_PLASMA,
        ENTTYPE_PICKUP,
        ENTTYPE_FLAG,
        ENTTYPE_CHARACTER,
        NUM_ENTTYPES
    };
 
    CWorldCore m_Core;
    CTeamsCore m_Teams;
 
    CGameWorld();
    ~CGameWorld();
    void Init(CCollision *pCollision, CTuningParams *pTuningList, const CMapBugs *pMapBugs);
 
    CEntity *FindFirst(int Type);
    CEntity *FindLast(int Type);
    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);
    void InsertEntity(CEntity *pEntity, bool Last = false);
    void RemoveEntity(CEntity *pEntity);
    void RemoveCharacter(CCharacter *pChar);
    void Tick();
 
    // DDRace
    void ReleaseHooked(int ClientId);
    std::vector<CCharacter *> IntersectedCharacters(vec2 Pos0, vec2 Pos1, float Radius, const CEntity *pNotThis = nullptr);
 
    int m_GameTick;
 
    // getter for server variables
    int GameTick() const { return m_GameTick; }
    int GameTickSpeed() const { return SERVER_TICK_SPEED; }
    const CCollision *Collision() const { return m_pCollision; }
    CCollision *Collision() { return m_pCollision; }
    CTeamsCore *Teams() { return &m_Teams; }
    std::vector<SSwitchers> &Switchers() { return m_Core.m_vSwitchers; }
    CEntity *GetEntity(int Id, int EntityType);
    CCharacter *GetCharacterById(int Id) { return (Id >= 0 && Id < MAX_CLIENTS) ? m_apCharacters[Id] : nullptr; }
 
    // from gamecontext
    void CreateExplosion(vec2 Pos, int Owner, int Weapon, bool NoDamage, int ActivatedTeam, CClientMask Mask, int Id = -1);
 
    // for client side prediction
    struct
    {
        bool m_IsDDRace;
        bool m_IsVanilla;
        bool m_IsFNG;
        bool m_InfiniteAmmo;
        bool m_PredictTiles;
        int m_PredictFreeze;
        bool m_PredictWeapons;
        bool m_PredictDDRace;
        bool m_IsSolo;
        bool m_UseTuneZones;
        bool m_BugDDRaceInput;
        bool m_NoWeakHookAndBounce;
        bool m_PredictEvents;
    } m_WorldConfig;
 
    bool m_IsValidCopy;
    CGameWorld *m_pParent;
    CGameWorld *m_pChild;
 
    int m_LocalClientId;
 
    bool IsLocalTeam(int OwnerId) const;
    void OnModified() const;
    void NetObjBegin(CTeamsCore Teams, int LocalClientId);
    void NetCharAdd(int ObjId, CNetObj_Character *pChar, CNetObj_DDNetCharacter *pExtended, int GameTeam, bool IsLocal);
    void NetObjAdd(int ObjId, int ObjType, const void *pObjData, const CNetObj_EntityEx *pDataEx);
    void NetObjEnd();
    void CopyWorld(CGameWorld *pFrom);
    CEntity *FindMatch(int ObjId, int ObjType, const void *pObjData);
    void Clear();
 
    const CTuningParams *TuningList() const { return m_pTuningList; }
    CTuningParams *TuningList() { return m_pTuningList; }
    const CTuningParams *GlobalTuning() const { return &TuningList()[0]; }
    CTuningParams *GlobalTuning() { return &TuningList()[0]; }
    const CTuningParams *GetTuning(int i) const { return &TuningList()[i]; }
    CTuningParams *GetTuning(int i) { return &TuningList()[i]; }
 
    bool EmulateBug(int Bug) const;
 
    class CPredictedEvent
    {
    public:
        int m_EventId;
        vec2 m_Pos; // NetEvent's Pos are integers
        int m_Id; // identifier to prevent adding the same event multiple times
        int m_Tick;
 
        int m_ExtraInfo;
        bool m_Handled = false;
 
        CPredictedEvent(int EventId, vec2 Pos, int Id, int Tick, int ExtraInfo = -1) :
            m_EventId(EventId), m_Pos(vec2((int)Pos.x, (int)Pos.y)), m_Id(Id), m_Tick(Tick), m_ExtraInfo(ExtraInfo)
        {
        }
    };
 
    std::vector<CPredictedEvent> m_PredictedEvents;
 
    void CreatePredictedEvent(const CPredictedEvent &NewEvent);
    bool CheckPredictedEventHandled(const CPredictedEvent &CheckEvent);
    void PlayPredictedEvents(int Tick);
 
    void CreatePredictedSound(vec2 Pos, int SoundId, int Id = -1);
    void CreatePredictedExplosionEvent(vec2 Pos, int Id = -1);
    void CreatePredictedHammerHitEvent(vec2 Pos, int Id = -1);
    void CreatePredictedDamageIndEvent(vec2 Pos, float Angle, int Amount, int Id = -1);
 
private:
    void RemoveEntities();
 
    CEntity *m_pNextTraverseEntity = nullptr;
    CEntity *m_apFirstEntityTypes[NUM_ENTTYPES];
 
    CCharacter *m_apCharacters[MAX_CLIENTS];
 
    CCollision *m_pCollision;
    CTuningParams *m_pTuningList;
    const CMapBugs *m_pMapBugs;
};
 
class CCharOrder
{
public:
    std::list<int> m_Ids; // reverse of the order in the gameworld, since entities will be inserted in reverse
    CCharOrder()
    {
        Reset();
    }
    void Reset()
    {
        m_Ids.clear();
        for(int i = 0; i < MAX_CLIENTS; i++)
            m_Ids.push_back(i);
    }
    void GiveStrong(int c)
    {
        if(0 <= c && c < MAX_CLIENTS)
        {
            m_Ids.remove(c);
            m_Ids.push_front(c);
        }
    }
    void GiveWeak(int c)
    {
        if(0 <= c && c < MAX_CLIENTS)
        {
            m_Ids.remove(c);
            m_Ids.push_back(c);
        }
    }
    bool HasStrongAgainst(int From, int To)
    {
        for(int i : m_Ids)
        {
            if(i == To)
                return false;
            else if(i == From)
                return true;
        }
        return false;
    }
};
 
#endif