console.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_COMPONENTS_CONSOLE_H
#define GAME_CLIENT_COMPONENTS_CONSOLE_H
 
#include <base/lock.h>
 
#include <engine/console.h>
#include <engine/shared/ringbuffer.h>
 
#include <game/client/component.h>
#include <game/client/lineinput.h>
#include <game/client/ui.h>
 
enum
{
    CONSOLE_CLOSED,
    CONSOLE_OPENING,
    CONSOLE_OPEN,
    CONSOLE_CLOSING,
};
 
class CConsoleLogger;
 
class CGameConsole : public CComponent
{
    friend class CConsoleLogger;
    class CInstance
    {
    public:
        struct CBacklogEntry
        {
            float m_YOffset;
            int m_LineCount;
            ColorRGBA m_PrintColor;
            size_t m_Length;
            char m_aText[1];
        };
        CStaticRingBuffer<CBacklogEntry, 1024 * 1024, CRingBufferBase::FLAG_RECYCLE> m_Backlog;
        CLock m_BacklogPendingLock;
        CStaticRingBuffer<CBacklogEntry, 1024 * 1024, CRingBufferBase::FLAG_RECYCLE> m_BacklogPending GUARDED_BY(m_BacklogPendingLock);
        CStaticRingBuffer<char, 64 * 1024, CRingBufferBase::FLAG_RECYCLE> m_History;
        char *m_pHistoryEntry;
 
        CLineInputBuffered<IConsole::CMDLINE_LENGTH> m_Input;
        const char *m_pName;
        int m_Type;
        int m_BacklogCurLine;
        int m_BacklogLastActiveLine = -1;
        int m_LinesRendered;
 
        STextBoundingBox m_BoundingBox = {0.0f, 0.0f, 0.0f, 0.0f};
        float m_LastInputHeight = 0.0f;
 
        bool m_MouseIsPress = false;
        vec2 m_MousePress = vec2(0.0f, 0.0f);
        vec2 m_MouseRelease = vec2(0.0f, 0.0f);
        int m_CurSelStart = 0;
        int m_CurSelEnd = 0;
        bool m_HasSelection = false;
        int m_NewLineCounter = 0;
 
        CGameConsole *m_pGameConsole;
 
        char m_aCompletionBuffer[IConsole::CMDLINE_LENGTH];
        int m_CompletionChosen;
        char m_aCompletionBufferArgument[IConsole::CMDLINE_LENGTH];
        int m_CompletionChosenArgument;
        int m_CompletionFlagmask;
        float m_CompletionRenderOffset;
        float m_CompletionRenderOffsetChange;
        int m_CompletionArgumentPosition;
        int m_CompletionCommandStart = 0;
        int m_CompletionCommandEnd = 0;
 
        char m_aUser[64];
        bool m_UserGot;
        bool m_UsernameReq;
 
        bool m_IsCommand;
        const char *m_pCommandName;
        const char *m_pCommandHelp;
        const char *m_pCommandParams;
 
        bool m_Searching = false;
        struct SSearchMatch
        {
            int m_Pos;
            int m_StartLine;
            int m_EndLine;
            int m_EntryLine;
 
            SSearchMatch(int Pos, int StartLine, int EndLine, int EntryLine) :
                m_Pos(Pos), m_StartLine(StartLine), m_EndLine(EndLine), m_EntryLine(EntryLine) {}
        };
        int m_CurrentMatchIndex;
        char m_aCurrentSearchString[IConsole::CMDLINE_LENGTH];
        std::vector<SSearchMatch> m_vSearchMatches;
 
        CInstance(int t);
        void Init(CGameConsole *pGameConsole);
 
        void ClearBacklog() REQUIRES(!m_BacklogPendingLock);
        void UpdateBacklogTextAttributes();
        void PumpBacklogPending() REQUIRES(!m_BacklogPendingLock);
        void ClearHistory();
        void Reset();
 
        void ExecuteLine(const char *pLine);
 
        bool OnInput(const IInput::CEvent &Event);
        void PrintLine(const char *pLine, int Len, ColorRGBA PrintColor) REQUIRES(!m_BacklogPendingLock);
        int GetLinesToScroll(int Direction, int LinesToScroll);
        void ScrollToCenter(int StartLine, int EndLine);
        void Dump() REQUIRES(!m_BacklogPendingLock);
 
        const char *GetString() const { return m_Input.GetString(); }
        void GetCommand(const char *pInput, char (&aCmd)[IConsole::CMDLINE_LENGTH]);
        static void PossibleCommandsCompleteCallback(int Index, const char *pStr, void *pUser);
        static void PossibleArgumentsCompleteCallback(int Index, const char *pStr, void *pUser);
 
        void UpdateEntryTextAttributes(CBacklogEntry *pEntry) const;
 
    private:
        void SetSearching(bool Searching);
        void ClearSearch();
        void UpdateSearch();
 
        friend class CGameConsole;
    };
 
    class IConsole *m_pConsole;
    CConsoleLogger *m_pConsoleLogger = nullptr;
 
    CInstance m_LocalConsole;
    CInstance m_RemoteConsole;
 
    CInstance *ConsoleForType(int ConsoleType);
    CInstance *CurrentConsole();
 
    int m_ConsoleType;
    int m_ConsoleState;
    float m_StateChangeEnd;
    float m_StateChangeDuration;
 
    bool m_WantsSelectionCopy = false;
    CUi::CTouchState m_TouchState;
 
    static inline constexpr ColorRGBA ms_SearchHighlightColor = ColorRGBA(1.0f, 0.0f, 0.0f, 1.0f);
    static inline constexpr ColorRGBA ms_SearchSelectedColor = ColorRGBA(1.0f, 1.0f, 0.0f, 1.0f);
 
    int PossibleMaps(const char *pStr, IConsole::FPossibleCallback pfnCallback = IConsole::EmptyPossibleCommandCallback, void *pUser = nullptr);
 
    static void PossibleCommandsRenderCallback(int Index, const char *pStr, void *pUser);
    static void ConToggleLocalConsole(IConsole::IResult *pResult, void *pUserData);
    static void ConToggleRemoteConsole(IConsole::IResult *pResult, void *pUserData);
    static void ConClearLocalConsole(IConsole::IResult *pResult, void *pUserData);
    static void ConClearRemoteConsole(IConsole::IResult *pResult, void *pUserData);
    static void ConDumpLocalConsole(IConsole::IResult *pResult, void *pUserData);
    static void ConDumpRemoteConsole(IConsole::IResult *pResult, void *pUserData);
    static void ConConsolePageUp(IConsole::IResult *pResult, void *pUserData);
    static void ConConsolePageDown(IConsole::IResult *pResult, void *pUserData);
    static void ConConsolePageTop(IConsole::IResult *pResult, void *pUserData);
    static void ConConsolePageBottom(IConsole::IResult *pResult, void *pUserData);
    static void ConchainConsoleOutputLevel(IConsole::IResult *pResult, void *pUserData, IConsole::FCommandCallback pfnCallback, void *pCallbackUserData);
 
public:
    enum
    {
        CONSOLETYPE_LOCAL = 0,
        CONSOLETYPE_REMOTE,
        NUM_CONSOLETYPES
    };
 
    CGameConsole();
    ~CGameConsole();
    int Sizeof() const override { return sizeof(*this); }
 
    void PrintLine(int Type, const char *pLine);
    void RequireUsername(bool UsernameReq);
 
    void OnStateChange(int NewState, int OldState) override;
    void OnConsoleInit() override;
    void OnInit() override;
    void OnReset() override;
    void OnRender() override;
    void OnMessage(int MsgType, void *pRawMsg) override;
    bool OnInput(const IInput::CEvent &Event) override;
    void Prompt(char (&aPrompt)[32]);
 
    void Toggle(int Type);
    bool IsActive() const { return m_ConsoleState != CONSOLE_CLOSED; }
};
#endif