chat.h

Go to the documentation of this file.

/* (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_COMPONENTS_CHAT_H
#define GAME_CLIENT_COMPONENTS_CHAT_H
#include <vector>
 
#include <engine/console.h>
#include <engine/shared/config.h>
#include <engine/shared/protocol.h>
#include <engine/shared/ringbuffer.h>
 
#include <game/client/component.h>
#include <game/client/lineinput.h>
#include <game/client/render.h>
#include <generated/protocol7.h>
 
constexpr auto SAVES_FILE = "ddnet-saves.txt";
 
class CChat : public CComponent
{
    static constexpr float CHAT_HEIGHT_FULL = 200.0f;
    static constexpr float CHAT_HEIGHT_MIN = 50.0f;
    static constexpr float CHAT_FONTSIZE_WIDTH_RATIO = 2.5f;
 
    enum
    {
        MAX_LINES = 64,
        MAX_LINE_LENGTH = 256
    };
 
    CLineInputBuffered<MAX_LINE_LENGTH> m_Input;
    class CLine
    {
    public:
        CLine();
        void Reset(CChat &This);
 
        int64_t m_Time;
        float m_aYOffset[2];
        int m_ClientId;
        int m_TeamNumber;
        bool m_Team;
        bool m_Whisper;
        int m_NameColor;
        char m_aName[64];
        char m_aText[MAX_LINE_LENGTH];
        bool m_Friend;
        bool m_Highlighted;
        std::optional<ColorRGBA> m_CustomColor;
 
        STextContainerIndex m_TextContainerIndex;
        int m_QuadContainerIndex;
 
        std::shared_ptr<CManagedTeeRenderInfo> m_pManagedTeeRenderInfo;
 
        float m_TextYOffset;
 
        int m_TimesRepeated;
    };
 
    bool m_PrevScoreBoardShowed;
    bool m_PrevShowChat;
 
    CLine m_aLines[MAX_LINES];
    int m_CurrentLine;
 
    enum
    {
        // client IDs for special messages
        CLIENT_MSG = -2,
        SERVER_MSG = -1,
 
        MODE_NONE = 0,
        MODE_ALL,
        MODE_TEAM,
 
        CHAT_SERVER = 0,
        CHAT_HIGHLIGHT,
        CHAT_CLIENT,
        CHAT_NUM,
    };
 
    int m_Mode;
    bool m_Show;
    bool m_CompletionUsed;
    int m_CompletionChosen;
    char m_aCompletionBuffer[MAX_LINE_LENGTH];
    int m_PlaceholderOffset;
    int m_PlaceholderLength;
    static char ms_aDisplayText[MAX_LINE_LENGTH];
    class CRateablePlayer
    {
    public:
        int m_ClientId;
        int m_Score;
    };
    CRateablePlayer m_aPlayerCompletionList[MAX_CLIENTS];
    int m_PlayerCompletionListLength;
 
    struct CCommand
    {
        char m_aName[IConsole::TEMPCMD_NAME_LENGTH];
        char m_aParams[IConsole::TEMPCMD_PARAMS_LENGTH];
        char m_aHelpText[IConsole::TEMPCMD_HELP_LENGTH];
 
        CCommand() = default;
        CCommand(const char *pName, const char *pParams, const char *pHelpText)
        {
            str_copy(m_aName, pName);
            str_copy(m_aParams, pParams);
            str_copy(m_aHelpText, pHelpText);
        }
 
        bool operator<(const CCommand &Other) const { return str_comp(m_aName, Other.m_aName) < 0; }
        bool operator<=(const CCommand &Other) const { return str_comp(m_aName, Other.m_aName) <= 0; }
        bool operator==(const CCommand &Other) const { return str_comp(m_aName, Other.m_aName) == 0; }
    };
 
    std::vector<CCommand> m_vServerCommands;
    bool m_ServerCommandsNeedSorting;
 
    struct CHistoryEntry
    {
        int m_Team;
        char m_aText[1];
    };
    CHistoryEntry *m_pHistoryEntry;
    CStaticRingBuffer<CHistoryEntry, 64 * 1024, CRingBufferBase::FLAG_RECYCLE> m_History;
    int m_PendingChatCounter;
    int64_t m_LastChatSend;
    int64_t m_aLastSoundPlayed[CHAT_NUM];
    bool m_IsInputCensored;
    char m_aCurrentInputText[MAX_LINE_LENGTH];
    bool m_EditingNewLine;
 
    bool m_ServerSupportsCommandInfo;
 
    static void ConSay(IConsole::IResult *pResult, void *pUserData);
    static void ConSayTeam(IConsole::IResult *pResult, void *pUserData);
    static void ConChat(IConsole::IResult *pResult, void *pUserData);
    static void ConShowChat(IConsole::IResult *pResult, void *pUserData);
    static void ConEcho(IConsole::IResult *pResult, void *pUserData);
    static void ConClearChat(IConsole::IResult *pResult, void *pUserData);
 
    static void ConchainChatOld(IConsole::IResult *pResult, void *pUserData, IConsole::FCommandCallback pfnCallback, void *pCallbackUserData);
    static void ConchainChatFontSize(IConsole::IResult *pResult, void *pUserData, IConsole::FCommandCallback pfnCallback, void *pCallbackUserData);
    static void ConchainChatWidth(IConsole::IResult *pResult, void *pUserData, IConsole::FCommandCallback pfnCallback, void *pCallbackUserData);
 
    bool LineShouldHighlight(const char *pLine, const char *pName);
    void StoreSave(const char *pText);
 
public:
    CChat();
    int Sizeof() const override { return sizeof(*this); }
 
    static constexpr float MESSAGE_TEE_PADDING_RIGHT = 0.5f;
 
    bool IsActive() const { return m_Mode != MODE_NONE; }
    void AddLine(int ClientId, int Team, const char *pLine);
    void EnableMode(int Team);
    void DisableMode();
    void RegisterCommand(const char *pName, const char *pParams, const char *pHelpText);
    void UnregisterCommand(const char *pName);
    void Echo(const char *pString);
 
    void OnWindowResize() override;
    void OnConsoleInit() override;
    void OnStateChange(int NewState, int OldState) override;
    void OnRender() override;
    void OnPrepareLines(float y);
    void Reset();
    void OnRelease() override;
    void OnMessage(int MsgType, void *pRawMsg) override;
    bool OnInput(const IInput::CEvent &Event) override;
    void OnInit() override;
 
    void RebuildChat();
    void ClearLines();
 
    void EnsureCoherentFontSize() const;
    void EnsureCoherentWidth() const;
 
    float FontSize() const { return g_Config.m_ClChatFontSize / 10.0f; }
    float MessagePaddingX() const { return FontSize() * (5 / 6.f); }
    float MessagePaddingY() const { return FontSize() * (1 / 6.f); }
    float MessageTeeSize() const { return FontSize() * (7 / 6.f); }
    float MessageRounding() const { return FontSize() * (1 / 2.f); }
 
    // ----- send functions -----
 
    // Sends a chat message to the server.
    //
    // @param Team MODE_ALL=0 MODE_TEAM=1
    // @param pLine the chat message
    void SendChat(int Team, const char *pLine);
 
    // Sends a chat message to the server.
    //
    // It uses a queue with a maximum of 3 entries
    // that ensures there is a minimum delay of one second
    // between sent messages.
    //
    // It uses team or public chat depending on m_Mode.
    void SendChatQueued(const char *pLine);
};
#endif