CWE-ou-minkata/Sources/Plasma/FeatureLib/pfGameGUIMgr/pfGameGUIMgr.h

/*==LICENSE==*

CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011  Cyan Worlds, Inc.

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it under the terms of the GNU General Public License as published by
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Additional permissions under GNU GPL version 3 section 7

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*==LICENSE==*/
//////////////////////////////////////////////////////////////////////////////
//                                                                          //
//  pfGameGUIMgr Header                                                     //
//  A.K.A. "Ooh, we get a GUI!"                                             //
//                                                                          //
//// Description /////////////////////////////////////////////////////////////
//                                                                          //
//  The in-game GUI manager. Handles reading, creation, and input for       //
//  dialog boxes at runtime.                                                //
//                                                                          //
//////////////////////////////////////////////////////////////////////////////

#ifndef _pfGameGUIMgr_h
#define _pfGameGUIMgr_h

#include "HeadSpin.h"
#include "hsTemplates.h"
#include "pnInputCore/plKeyDef.h"
#include "pnKeyedObject/hsKeyedObject.h"
#include <vector>

class plPipeline;
class plMessage;
class pfGUIDialogMod;
class pfGUIControlMod;
class pfGameUIInputInterface;
class plPostEffectMod;

//// Tag Definitions /////////////////////////////////////////////////////////
//  Each dialog/control gets an optional tag ID number. This is the link
//  between MAX and C++. You attach a Tag component to a control or dialog
//  in MAX and assign it an ID (supplied by a list of konstants that are
//  hard-coded). Then, in code, you ask the gameGUIMgr for the dialog (or
//  control) with that ID, and pop, you get it back. Then you run with it.
//
//  Easy, huh?

class pfGUITag
{
    public:
        uint32_t  fID;
        char    fName[ 128 ];
};


//
// This class just holds a name and the key to set the receiver to
// after the dialog gets loaded.
class pfDialogNameSetKey
{
private:
    char    *fName;
    plKey   fKey;
public:
    pfDialogNameSetKey(const char *name, plKey key) { fName = hsStrcpy(name); fKey=key; }
    ~pfDialogNameSetKey() { delete [] fName; }
    const char *GetName() { return fName; }
    plKey GetKey() { return fKey; }
};

//// Manager Class Definition ////////////////////////////////////////////////

class pfGUIPopUpMenu;
class pfGameGUIMgr : public hsKeyedObject
{
    friend class pfGameUIInputInterface;

    public:

        enum EventType
        {
            kMouseDown,
            kMouseUp,
            kMouseMove,
            kMouseDrag,
            kKeyDown,
            kKeyUp,
            kKeyRepeat,
            kMouseDblClick
        };

        enum
        {
            kNoModifiers = 0,
            kShiftDown  = 0x01,
            kCtrlDown   = 0x02,
            kCapsDown   = 0x04
        };

    private:

        static pfGameGUIMgr *fInstance;

    protected:

        hsTArray<pfGUIDialogMod *>  fDialogs;
        pfGUIDialogMod              *fActiveDialogs;

        // These two lists help us manage when dialogs get told to load or unload versus when they actually *do*
        hsTArray<pfDialogNameSetKey *>  fDlgsPendingLoad;
        hsTArray<pfDialogNameSetKey *>  fDlgsPendingUnload;

        bool    fActivated;
        uint32_t  fActiveDlgCount;

        pfGameUIInputInterface      *fInputConfig;
        uint32_t                      fInputCtlIndex;

        uint32_t                      fDefaultCursor;
        float                    fCursorOpacity;
        float                fAspectRatio;

        // This is an array of the dialogs (by name) that need their
        // receiver key set once they are loaded.
        // This array shouldn't get more than one entry... but
        // it could be more....
        // LoadDialog adds an entry and MsgReceive removes it
        hsTArray<pfDialogNameSetKey *>  fDialogToSetKeyOf;

        void    ILoadDialog( const char *name );
        void    IShowDialog( const char *name );
        void    IHideDialog( const char *name );

        void    IAddDlgToList( hsKeyedObject *obj );
        void    IRemoveDlgFromList( hsKeyedObject *obj );

        void    IActivateGUI( bool activate );

        bool    IHandleMouse( EventType event, float mouseX, float mouseY, uint8_t modifiers, uint32_t *desiredCursor );
        bool    IHandleKeyEvt( EventType event, plKeyDef key, uint8_t modifiers );
        bool    IHandleKeyPress( wchar_t key, uint8_t modifiers );

        bool    IModalBlocking( void );

        pfGUIDialogMod  *IGetTopModal( void ) const;

    public:

        enum
        {
            kDlgModRef = 0
        };


        pfGameGUIMgr();
        ~pfGameGUIMgr();

        CLASSNAME_REGISTER( pfGameGUIMgr );
        GETINTERFACE_ANY( pfGameGUIMgr, hsKeyedObject );

        void        Draw( plPipeline *p );

        bool        Init( void );

        virtual bool    MsgReceive( plMessage* pMsg );

        void    LoadDialog( const char *name, plKey recvrKey=nil, const char *ageName = nil );  // AgeName = nil defaults to "GUI"
        void    ShowDialog( const char *name ) { IShowDialog(name); }
        void    HideDialog( const char *name ) { IHideDialog(name); }
        void    UnloadDialog( const char *name );
        void    UnloadDialog( pfGUIDialogMod *dlg );

        void    ShowDialog( pfGUIDialogMod *dlg, bool resetClickables=true );
        void    HideDialog( pfGUIDialogMod *dlg );

        bool    IsDialogLoaded( const char *name );
        pfGUIDialogMod *GetDialogFromString( const char *name );

        void    SetDialogToNotify(const char *name, plKey recvrKey);
        void    SetDialogToNotify(pfGUIDialogMod *dlg, plKey recvrKey);

        void    SetDefaultCursor(uint32_t defaultCursor) { fDefaultCursor = defaultCursor; }
        uint32_t  GetDefaultCursor() { return fDefaultCursor; }
        void    SetCursorOpacity(float opacity) { fCursorOpacity = opacity; }
        float    GetCursorOpacity() { return fCursorOpacity; }

        pfGUIPopUpMenu  *FindPopUpMenu( const char *name );

        std::vector<plPostEffectMod*> GetDlgRenderMods( void ) const;
        bool    IsModalBlocking( void ) {return IModalBlocking();}

        // Tag ID stuff
        pfGUIDialogMod  *GetDialogFromTag( uint32_t tagID );
        pfGUIControlMod *GetControlFromTag( pfGUIDialogMod *dlg, uint32_t tagID );

        static uint32_t       GetNumTags( void );
        static pfGUITag     *GetTag( uint32_t tagIndex );
        static uint32_t       GetHighestTag( void );
        void SetAspectRatio(float aspectratio);
        float GetAspectRatio() { return fAspectRatio; }
 
        static pfGameGUIMgr *GetInstance( void ) { return fInstance; }
};

#endif //_pfGameGUIMgr_h