teams.h

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/* (c) Shereef Marzouk. See "licence DDRace.txt" and the readme.txt in the root of the distribution for more information. */
#ifndef GAME_SERVER_TEAMS_H
#define GAME_SERVER_TEAMS_H
 
#include <engine/shared/protocol.h>
 
#include <game/race_state.h>
#include <game/server/gamecontext.h>
#include <game/team_state.h>
#include <game/teamscore.h>
 
#include <memory>
#include <optional>
 
class CCharacter;
class CPlayer;
struct CScoreSaveResult;
 
class CGameTeams
{
    // `m_TeeStarted` is used to keep track whether a given tee has hit the
    // start of the map yet. If a tee that leaves hasn't hit the start line
    // yet, the team will be marked as "not allowed to finish"
    // (`ETeamState::STARTED_UNFINISHABLE`). If this were not the case, tees
    // could go around the startline on a map, leave one tee behind at
    // start, go to the finish line, let the tee start and kill, allowing
    // the team to finish instantly.
    bool m_aTeeStarted[MAX_CLIENTS];
    bool m_aTeeFinished[MAX_CLIENTS];
    int m_aLastChat[MAX_CLIENTS];
 
    ETeamState m_aTeamState[NUM_DDRACE_TEAMS];
    bool m_aTeamLocked[NUM_DDRACE_TEAMS];
    bool m_aTeamFlock[NUM_DDRACE_TEAMS];
    CClientMask m_aInvited[NUM_DDRACE_TEAMS];
    bool m_aPractice[NUM_DDRACE_TEAMS];
    std::shared_ptr<CScoreSaveResult> m_apSaveTeamResult[NUM_DDRACE_TEAMS];
    uint64_t m_aLastSwap[MAX_CLIENTS]; // index is id of player who initiated swap
    bool m_aTeamSentStartWarning[NUM_DDRACE_TEAMS];
    // `m_aTeamUnfinishableKillTick` is -1 by default and gets set when a
    // team becomes unfinishable. If the team hasn't entered practice mode
    // by that time, it'll get killed to prevent people not understanding
    // the message from playing for a long time in an unfinishable team.
    int m_aTeamUnfinishableKillTick[NUM_DDRACE_TEAMS];
 
    // Team numbers as they are sent to clients before VERSION_DDNET_128_TEAMS, see UpdateLegacyTeamMap
    int m_aLegacyTeamMap[NUM_DDRACE_TEAMS];
    void UpdateLegacyTeamMap();
 
    CGameContext *m_pGameContext;

    void KillTeam(int Team, int NewStrongId, int ExceptId = -1);
    bool TeamFinished(int Team);
    void OnTeamFinish(int Team, CPlayer **Players, unsigned int Size, int TimeTicks, const char *pTimestamp);
    void OnFinish(CPlayer *Player, int TimeTicks, const char *pTimestamp);
 
public:
    CTeamsCore m_Core;
 
    CGameTeams(CGameContext *pGameContext);
 
    // helper methods
    CCharacter *Character(int ClientId);
    const CCharacter *Character(int ClientId) const;
    CPlayer *GetPlayer(int ClientId);
    CGameContext *GameServer();
    const CGameContext *GameServer() const;
    class IServer *Server();

    int TeamForClient(int Team, int ClientId) const;
 
    void OnCharacterStart(int ClientId);
    void OnCharacterFinish(int ClientId);
    void OnCharacterSpawn(int ClientId);
    void OnCharacterDeath(int ClientId, int Weapon);
    void Tick();
 
    // sets pError to an empty string on success (true)
    // and sets pError if it returns false
    bool CanJoinTeam(int ClientId, int Team, char *pError, int ErrorSize) const;
 
    // returns true if successful. Writes error into pError on failure
    bool SetCharacterTeam(int ClientId, int Team, char *pError, int ErrorSize);
    void CheckTeamFinished(int Team);
 
    void ChangeTeamState(int Team, ETeamState State);
 
    CClientMask TeamMask(int Team, int ExceptId = -1, int Asker = -1, int VersionFlags = CGameContext::FLAG_SIX | CGameContext::FLAG_SIXUP);
 
    int TeamSize(int Team) const;
 
    // need to be very careful using this method. SERIOUSLY...
    void SetForceCharacterTeam(int ClientId, int Team);
 
    void Reset();
    void ResetRoundState(int Team);
    void ResetSwitchers(int Team);
 
    void SendTeamsState(int ClientId);
    void SetTeamLock(int Team, bool Lock);
    void SetTeamFlock(int Team, bool Mode);
    void ResetInvited(int Team);
    void SetClientInvited(int Team, int ClientId, bool Invited);
 
    ERaceState GetDDRaceState(const CPlayer *Player) const;
    int GetStartTime(CPlayer *Player);
    float *GetCurrentTimeCp(CPlayer *Player);
    void SetDDRaceState(CPlayer *Player, ERaceState DDRaceState);
    void SetStartTime(CPlayer *Player, int StartTime);
    void SetLastTimeCp(CPlayer *Player, int LastTimeCp);
    void KillCharacterOrTeam(int ClientId, int Team);
    void ResetSavedTeam(int ClientId, int Team);
    void RequestTeamSwap(CPlayer *pPlayer, CPlayer *pTargetPlayer, int Team);
    void SwapTeamCharacters(CPlayer *pPrimaryPlayer, CPlayer *pTargetPlayer, int Team);
    void CancelTeamSwap(CPlayer *pPlayer, int Team);
    void ProcessSaveTeam();
    std::optional<int> GetFirstEmptyTeam() const;
    bool TeeStarted(int ClientId) const;
    bool TeeFinished(int ClientId) const;
    ETeamState GetTeamState(int Team) const;
    bool TeamLocked(int Team) const;
    bool TeamFlock(int Team) const;
    bool IsInvited(int Team, int ClientId) const;
    bool IsStarted(int Team) const;
    void SetStarted(int ClientId, bool Started);
    void SetFinished(int ClientId, bool Finished);
    void SetSaving(int TeamId, std::shared_ptr<CScoreSaveResult> &SaveResult);
    bool GetSaving(int TeamId) const;
    void SetPractice(int Team, bool Enabled);
    bool IsPractice(int Team);
    bool IsValidTeamNumber(int Team) const;
};
 
#endif