CWE-ou-minkata/Sources/Plasma/FeatureLib/pfGameGUIMgr/pfGUIPopUpMenu.cpp

/*==LICENSE==*

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

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.

You can contact Cyan Worlds, Inc. by email legal@cyan.com
 or by snail mail at:
      Cyan Worlds, Inc.
      14617 N Newport Hwy
      Mead, WA   99021

*==LICENSE==*/
//////////////////////////////////////////////////////////////////////////////
//                                                                          //
//  pfGUIPopUpMenu Header                                                   //
//                                                                          //
//  Pop-up menus are really just dialogs that know how to create themselves //
//  and create buttons on themselves to simulate a menu (after all, that's  //
//  all a menu really is anyway).                                           //
//                                                                          //
//////////////////////////////////////////////////////////////////////////////

#include "hsTypes.h"
#include "pfGameGUIMgr.h"
#include "pfGUIPopUpMenu.h"
#include "pfGUIMenuItem.h"
#include "pfGUIButtonMod.h"
#include "pfGUIDialogHandlers.h"
#include "pfGUIDialogNotifyProc.h"
#include "pfGUIControlHandlers.h"
#include "pfGUICtrlGenerator.h"

#include "plgDispatch.h"
#include "hsResMgr.h"

#include "plSurface/hsGMaterial.h"
#include "plSurface/plLayer.h"
#include "plGImage/plDynamicTextMap.h"
#include "plMessage/plLayRefMsg.h"

#include "pnSceneObject/plSceneObject.h"
#include "pnSceneObject/plDrawInterface.h"
#include "pnSceneObject/plCoordinateInterface.h"
#include "pnMessage/plIntRefMsg.h"
#include "pnMessage/plObjRefMsg.h"
#include "pnMessage/plNodeRefMsg.h"

#include "plScene/plPostEffectMod.h"
#include "plScene/plSceneNode.h"
#include "pnMessage/plClientMsg.h"

#include "plViewTransform.h"
#include "plPipeline/plDebugText.h"


class pfPopUpKeyGenerator
{
    public:
        char        fPrefix[ 128 ];
        UInt32      fKeyCount;
        plLocation  fLoc;

        pfPopUpKeyGenerator( const char *p, const plLocation &loc )
        {
            strcpy( fPrefix, p );
            fLoc = loc;
        }

        plKey   CreateKey( hsKeyedObject *ko )
        {
            char name[ 256 ];
            sprintf( name, "%s-%d", fPrefix, fKeyCount++ );

            return hsgResMgr::ResMgr()->NewKey( name, ko, fLoc );
        }
};

//// Router Proc So The Parent Can Handle Click Events ///////////////////////

class pfGUIMenuItemProc : public pfGUICtrlProcObject
{
    protected:

        pfGUIPopUpMenu      *fParent;
        UInt32              fIndex;

    public:

        pfGUIMenuItemProc( pfGUIPopUpMenu *parent, UInt32 idx )
        {
            fParent = parent;
            fIndex = idx;
        }

        virtual void    DoSomething( pfGUIControlMod *ctrl )
        {
            fParent->IHandleMenuSomething( fIndex, ctrl );
        }

        virtual void    HandleExtendedEvent( pfGUIControlMod *ctrl, UInt32 event )
        {
            fParent->IHandleMenuSomething( fIndex, ctrl, (Int32)event );
        }
};

//// Constructor/Destructor //////////////////////////////////////////////////

pfGUIPopUpMenu::pfGUIPopUpMenu()
{
    fNeedsRebuilding = false;
    fParent = nil;
    fKeyGen = nil;
    fSubMenuOpen = -1;
    SetFlag( kModalOutsideMenus );
    fMargin = 4;
    fSkin = nil;
    fWaitingForSkin = false;

    fParentNode = nil;
    fOriginX = fOriginY = 0.f;
    fOriginAnchor = nil;
    fOriginContext = nil;

    fAlignment = kAlignDownRight;
}

pfGUIPopUpMenu::~pfGUIPopUpMenu()
{
    SetSkin( nil );

//  if( fParentNode != nil )
//      fParentNode->GetKey()->UnRefObject();

    ITearDownMenu();
    ClearItems();

    delete fKeyGen;
}

//// MsgReceive //////////////////////////////////////////////////////////////

hsBool  pfGUIPopUpMenu::MsgReceive( plMessage *msg )
{
    plGenRefMsg *ref = plGenRefMsg::ConvertNoRef( msg );
    if( ref != nil )
    {
        if( ref->fType == kRefSkin )
        {
            if( ref->GetContext() & ( plRefMsg::kOnCreate | plRefMsg::kOnRequest | plRefMsg::kOnReplace ) )
            {
                fSkin = pfGUISkin::ConvertNoRef( ref->GetRef() );
                fWaitingForSkin = false;
            }
            else
                fSkin = nil;

            fNeedsRebuilding = true;
            if( IsVisible() )
            {
                // Rebuild NOW
                ITearDownMenu();
                IBuildMenu();
            }
            return true;
        }
        else if( ref->fType == kRefSubMenu )
        {
            if( ref->GetContext() & ( plRefMsg::kOnCreate | plRefMsg::kOnRequest | plRefMsg::kOnReplace ) )
                fMenuItems[ ref->fWhich ].fSubMenu = pfGUIPopUpMenu::ConvertNoRef( ref->GetRef() );
            else
                fMenuItems[ ref->fWhich ].fSubMenu = nil;
            return true;
        }
        else if( ref->fType == kRefOriginAnchor )
        {
            if( ref->GetContext() & ( plRefMsg::kOnCreate | plRefMsg::kOnRequest | plRefMsg::kOnReplace ) )
                fOriginAnchor = plSceneObject::ConvertNoRef( ref->GetRef() );
            else
                fOriginAnchor = nil;
            return true;
        }
        else if( ref->fType == kRefOriginContext )
        {
            if( ref->GetContext() & ( plRefMsg::kOnCreate | plRefMsg::kOnRequest | plRefMsg::kOnReplace ) )
                fOriginContext = pfGUIDialogMod::ConvertNoRef( ref->GetRef() );
            else
                fOriginContext = nil;
            return true;
        }
        else if( ref->fType == kRefParentNode )
        {
            if( ref->GetContext() & ( plRefMsg::kOnCreate | plRefMsg::kOnRequest | plRefMsg::kOnReplace ) )
                fParentNode = plSceneNode::ConvertNoRef( ref->GetRef() );
            else
                fParentNode = nil;
            return true;
        }
    }

    return pfGUIDialogMod::MsgReceive( msg );
}

//// Read/Write //////////////////////////////////////////////////////////////

void    pfGUIPopUpMenu::Read( hsStream *s, hsResMgr *mgr )
{
    pfGUIDialogMod::Read( s, mgr );

    // In case we need it...
    fKeyGen = TRACKED_NEW pfPopUpKeyGenerator( GetName(), GetKey()->GetUoid().GetLocation() );

    fOriginX = fOriginY = -1.f;

    fMargin = s->ReadSwap16();

    UInt32 i, count = s->ReadSwap32();
    fMenuItems.SetCountAndZero( count );
    for( i = 0; i < count; i++ )
    {
        char readTemp[ 256 ];
        s->Read( sizeof( readTemp ), readTemp );
        wchar_t *wReadTemp = hsStringToWString( readTemp );
        fMenuItems[ i ].fName = wReadTemp;
        delete [] wReadTemp;
        
        fMenuItems[ i ].fHandler = pfGUICtrlProcWriteableObject::Read( s );

        mgr->ReadKeyNotifyMe( s, TRACKED_NEW plGenRefMsg( GetKey(), plRefMsg::kOnCreate, i, kRefSubMenu ), plRefFlags::kActiveRef );
    }

    mgr->ReadKeyNotifyMe( s, TRACKED_NEW plGenRefMsg( GetKey(), plRefMsg::kOnCreate, -1, kRefSkin ), plRefFlags::kActiveRef );
    mgr->ReadKeyNotifyMe( s, TRACKED_NEW plGenRefMsg( GetKey(), plRefMsg::kOnCreate, -1, kRefOriginAnchor ), plRefFlags::kPassiveRef );
    mgr->ReadKeyNotifyMe( s, TRACKED_NEW plGenRefMsg( GetKey(), plRefMsg::kOnCreate, -1, kRefOriginContext ), plRefFlags::kPassiveRef );

    fAlignment = (Alignment)s->ReadByte();

    fNeedsRebuilding = true;
}

void    pfGUIPopUpMenu::Write( hsStream *s, hsResMgr *mgr )
{
    pfGUIDialogMod::Write( s, mgr );


    s->WriteSwap16( fMargin );

    s->WriteSwap32( fMenuItems.GetCount() );
    UInt32 i;
    for( i = 0; i < fMenuItems.GetCount(); i++ )
    {
        char writeTemp[ 256 ];
        char *sName = hsWStringToString( fMenuItems[ i ].fName.c_str() );
        strncpy( writeTemp, sName, sizeof( writeTemp ) );
        delete [] sName;
        s->Write( sizeof( writeTemp ), writeTemp );

        // Write the handler out (if it's not a writeable, damn you)
        pfGUICtrlProcWriteableObject::Write( (pfGUICtrlProcWriteableObject *)fMenuItems[ i ].fHandler, s );

        mgr->WriteKey( s, fMenuItems[ i ].fSubMenu );
    }

    // Note: we force parentNode to nil here because we only use it when we dynamically
    // create nodes at runtime and need to unref and destroy them later. Since we're
    // reading from disk, we'll already have a sceneNode somewhere, so we don't need
    // this.
    fParentNode = nil;

    mgr->WriteKey( s, fSkin );
    mgr->WriteKey( s, fOriginAnchor );
    mgr->WriteKey( s, fOriginContext );

    s->WriteByte( (UInt8)fAlignment );
}

void    pfGUIPopUpMenu::SetOriginAnchor( plSceneObject *anchor, pfGUIDialogMod *context )
{
    fOriginAnchor = anchor; 
    fOriginContext = context; 
    hsgResMgr::ResMgr()->AddViaNotify( fOriginAnchor->GetKey(), TRACKED_NEW plGenRefMsg( GetKey(), plRefMsg::kOnCreate, -1, kRefOriginAnchor ), plRefFlags::kPassiveRef );
    hsgResMgr::ResMgr()->AddViaNotify( fOriginContext->GetKey(), TRACKED_NEW plGenRefMsg( GetKey(), plRefMsg::kOnCreate, -1, kRefOriginContext ), plRefFlags::kPassiveRef );
}

//// SetEnabled //////////////////////////////////////////////////////////////

void    pfGUIPopUpMenu::SetEnabled( hsBool e )
{
    if( e && fNeedsRebuilding )
    {
        // Make sure our menu is rebuilt before enabling
        ITearDownMenu();
        IBuildMenu();
    }
    else if( !e )
    {
        if( fParent != nil )
            pfGUIPopUpMenu::ConvertNoRef( fParent )->fSubMenuOpen = -1;

        // Hide our submenus if we have any open
        if( fSubMenuOpen != -1 )
        {
            fMenuItems[ fSubMenuOpen ].fSubMenu->Hide();
            fSubMenuOpen = -1;
        }
    }

    pfGUIDialogMod::SetEnabled( e );
}

void    pfGUIPopUpMenu::Show( hsScalar x, hsScalar y )
{
    fOriginX = x;
    fOriginY = y;
    pfGUIDialogMod::Show(); // C++ is kinda stupid if it can't find this naturally
    ISeekToOrigin();
}

void    pfGUIPopUpMenu::ISeekToOrigin( void )
{
#if 0
    UInt32 i;
    float   x = 0.5f/*fOriginX*/, y = fOriginY;

    for( i = 0; i < fControls.GetCount(); i++ )
    {
        if( fControls[ i ] != nil )
        {
            fControls[ i ]->SetObjectCenter( x, y );

//          const hsBounds3 &bnds = fControls[ i ]->GetBounds();
            y += fMenuItems[ i ].fYOffsetToNext;//bnds.GetMaxs().fY - bnds.GetMins().fY;

/*          hsMatrix44 p2l, l2p = GetTarget()->GetLocalToWorld();

            hsPoint3 center, origin;
            ScreenToWorldPoint( fOriginX, fOriginY, 100.f, center );
            ScreenToWorldPoint( 0.f, 0.f, 100.f, origin );

            center = origin - center;

            center.fZ = 0.f;
            l2p.SetTranslate( &center );
            l2p.GetInverse( &p2l );

            GetTarget()->SetTransform( l2p, p2l );
*/      }
    }
#endif
}

//// IHandleMenuSomething ////////////////////////////////////////////////////
//  Handles a normal event from one of the item controls.

void    pfGUIPopUpMenu::IHandleMenuSomething( UInt32 idx, pfGUIControlMod *ctrl, Int32 extended )
{
    if( extended != -1 )
    {
        if( fSubMenuOpen != -1 && fSubMenuOpen != idx )
        {
            // Better close the submenu(s)
            fMenuItems[ fSubMenuOpen ].fSubMenu->Hide();
            fSubMenuOpen = -1;
        }

        if( extended == pfGUIMenuItem::kMouseHover && fMenuItems[ idx ].fSubMenu != nil )
        {
            // Open new submenu
            const hsBounds3 &bnds = ctrl->GetBounds();
            fMenuItems[ idx ].fSubMenu->Show( bnds.GetMaxs().fX, bnds.GetMins().fY );
            fSubMenuOpen = idx;
        }
    }
    else
    {
        if( fMenuItems[ idx ].fHandler != nil )
            fMenuItems[ idx ].fHandler->DoSomething( ctrl );
        
        // If item isn't a sub-menu, close this menu. Else add to list of menus to close
        // once the smallest submenu goes away
        if( fMenuItems[ idx ].fSubMenu == nil )
        {
            // Basically, we want to hide ourselves and as many up in the chain of command as
            // can be hidden
            pfGUIPopUpMenu *menu = this;
            while( menu != nil && !menu->HasFlag( kStayOpenAfterClick ) )
            {
                menu->Hide();
                menu = pfGUIPopUpMenu::ConvertNoRef( menu->fParent );
            }
        }
        else
        {
            // Show relative to the corner of our current item
            const hsBounds3 &bnds = ctrl->GetBounds();
            fMenuItems[ idx ].fSubMenu->Show( bnds.GetMaxs().fX, bnds.GetMins().fY );
            fSubMenuOpen = idx;
        }
    }
}

//// IBuildMenu //////////////////////////////////////////////////////////////
//  Given the list of menu items, builds our set of dynamic buttons

hsBool  pfGUIPopUpMenu::IBuildMenu( void )
{
    int     i;


    if( fWaitingForSkin && fSkin == nil )
        return false;       // Still waiting to get our skin before building

    pfGUIColorScheme *scheme = TRACKED_NEW pfGUIColorScheme();
    scheme->fForeColor.Set( 0, 0, 0, 1 );
    scheme->fBackColor.Set( 1, 1, 1, 1 );

    // If we don't have origin points, get them from translating our anchor
    if( fOriginX == -1 || fOriginY == -1 && fOriginAnchor != nil )
    {
        hsPoint3 scrnPt;
        const plDrawInterface *di = fOriginAnchor->GetDrawInterface();
        if( di != nil )
        {
            scrnPt = di->GetLocalBounds().GetCenter();
            scrnPt = fOriginAnchor->GetLocalToWorld() * scrnPt;
        }
        else
            scrnPt = fOriginAnchor->GetLocalToWorld().GetTranslate();
        if( fOriginContext != nil )
            scrnPt = fOriginContext->WorldToScreenPoint( scrnPt );
        else
            scrnPt = WorldToScreenPoint( scrnPt );

        if( fOriginX == -1 )
            fOriginX = scrnPt.fX;
        if( fOriginY == -1 )
            fOriginY = scrnPt.fY;
    }

    float x = fOriginX, y = fOriginY;
    float width = 0.f, height = 0.f;
    float topMargin = ( fSkin != nil ) ? fSkin->GetBorderMargin() : 0.f;
    
    // First step: loop through and calculate the size of our menu
    // The PROBLEM is that we can't do that unless we have a friggin surface on
    // which to calculate the text extents! So sadly, we're going to have to create
    // a whole new DTMap and use it to calculate some stuff
    plDynamicTextMap *scratch = TRACKED_NEW plDynamicTextMap( 8, 8, false );
    scratch->SetFont( scheme->fFontFace, scheme->fFontSize, scheme->fFontFlags, true );
    for( i = 0; i < fMenuItems.GetCount(); i++ )
    {
        UInt16  thisW, thisH;
        thisW = scratch->CalcStringWidth( fMenuItems[ i ].fName.c_str(), &thisH );
        if( fMenuItems[ i ].fSubMenu != nil )
        {
            if( fSkin != nil )
                thisW += 4 + ( fSkin->GetElement( pfGUISkin::kSubMenuArrow ).fWidth << 1 );
            else
                thisW += scratch->CalcStringWidth( " >>", nil );
        }
        thisH += 2; // Give us at least one pixel on each side

        int margin = fMargin;
        if( fSkin != nil )
            margin = fSkin->GetBorderMargin() << 1;

        if( width < thisW + margin )
            width = (float)(thisW + margin);

        if( fSkin != nil )
            margin = fSkin->GetItemMargin() << 1;

        if( height < thisH + margin )
            height = (float)(thisH + margin);
    }
    delete scratch;

    width += 4; // give us a little space, just in case

    UInt32 scrnWidth, scrnHeight;
    // A cheat here, I know, but I'm lazy
    plDebugText::Instance().GetScreenSize( &scrnWidth, &scrnHeight );

    // Use the same base res calc that dtMaps use
    if( !HasFlag( kScaleWithResolution ) )
    {
        // Just use what we were passed in
    }
    else
    {
        // Scale with the resolution so that we take up the same % of screen space no matter what resolution
        // Assume a base "resolution" of 1024xX, where X is such that the ratio "1024/X = scrnWidth/scrnHt" holds
        const int kBaseScaleRes = 1024;
        scrnHeight = ( scrnHeight * kBaseScaleRes ) / scrnWidth;
        scrnWidth = kBaseScaleRes;
    }

    width /= (float)scrnWidth;
    height /= (float)scrnHeight;
    topMargin /= (float)scrnHeight;

    switch( fAlignment )
    {
        case kAlignUpLeft: x -= width; y -= height * fMenuItems.GetCount(); break;
        case kAlignUpRight: y -= height * fMenuItems.GetCount(); break;
        case kAlignDownLeft: x -= width; break;
        case kAlignDownRight: break;
    }

    if( y + height * fMenuItems.GetCount() > 1.f )
    {
        // Make sure we don't go off the bottom
        y = 1.f - height * fMenuItems.GetCount();
    }
    // And the top (takes precedence)
    if( y < 0.f )
        y = 0.f;

    // Control positions are in the lower left corner, so increment Y by 1 control height first
    y += height;// + topMargin;

    hsTArray<pfGUIPopUpMenu *>  buildList;

    for( i = 0; i < fMenuItems.GetCount(); i++ )
    {
        hsGMaterial *mat = ICreateDynMaterial();

        float thisMargin = ( i == 0 || i == fMenuItems.GetCount() - 1 ) ? topMargin : 0.f;
        float thisOffset = ( i == fMenuItems.GetCount() - 1 ) ? topMargin : 0.f;

        pfGUIMenuItem *button = pfGUIMenuItem::ConvertNoRef( pfGUICtrlGenerator::Instance().CreateRectButton( this, fMenuItems[ i ].fName.c_str(), x, y + thisOffset, width, height + thisMargin, mat, true ) );
        if( button != nil )
        {
            button->SetColorScheme( scheme );
            button->SetName( fMenuItems[ i ].fName.c_str() );
            button->SetHandler( TRACKED_NEW pfGUIMenuItemProc( this, i ) );
            // make the tag ID the position in the menu list
            button->SetTagID(i);
            button->SetDynTextMap( mat->GetLayer( 0 ), plDynamicTextMap::ConvertNoRef( mat->GetLayer( 0 )->GetTexture() ) );
            button->SetFlag( pfGUIMenuItem::kReportHovers );
            button->SetSkin( fSkin, ( i == 0 ) ? pfGUIMenuItem::kTop : ( i == fMenuItems.GetCount() - 1 ) ? pfGUIMenuItem::kBottom : pfGUIMenuItem::kMiddle );
            if( fMenuItems[ i ].fSubMenu != nil )
            {
                button->SetFlag( pfGUIMenuItem::kDrawSubMenuArrow );
                buildList.Append( pfGUIPopUpMenu::ConvertNoRef( fMenuItems[ i ].fSubMenu ) );
            }
        }

        // Tiny bit of overlap to prevent gaps
        fMenuItems[ i ].fYOffsetToNext = height + thisOffset;
        y += height + thisOffset;// - ( 1.f / kBaseScaleResY );
    }

    fNeedsRebuilding = false;

#if 0
    // Finally, go down our list of submenus and rebuild them, since they'll need to be rebuilt soon anyway,
    // and at least this way it's all in one pass

    // Also, we need to bump the tag ID used, such as adding parent menuItem TagID * 100.. or something

    // Disabled because right now we can't move menus, which is required for this to work
    for( i = 0; i < buildList.GetCount(); i++ )
        buildList[ i ]->IBuildMenu();
#endif

    return true;
}

//// ITearDownMenu ///////////////////////////////////////////////////////////
//  Destroys all of our dynamic controls representing the menu

void    pfGUIPopUpMenu::ITearDownMenu( void )
{
    int     i;


    for( i = 0; i < fControls.GetCount(); i++ )
    {
        if( fControls[ i ] != nil )
        {
            // It's not enough to release the key, we have to have the sceneNode release the key, too.
            // Easy enough to do by just setting it's sn to nil
            if( fControls[ i ]->GetTarget() != nil )
                fControls[ i ]->GetTarget()->SetSceneNode( nil );

            // Now release it from us
            GetKey()->Release( fControls[ i ]->GetKey() );
        }
    }

    fNeedsRebuilding = true;
}

//// HandleMouseEvent ////////////////////////////////////////////////////////

hsBool      pfGUIPopUpMenu::HandleMouseEvent( pfGameGUIMgr::EventType event, hsScalar mouseX, hsScalar mouseY,
                                                UInt8 modifiers )
{
    hsBool r = pfGUIDialogMod::HandleMouseEvent( event, mouseX, mouseY, modifiers );
    if( r == false && event == pfGameGUIMgr::kMouseUp )
    {
        // We don't want to be active anymore!
        if( !HasFlag( kStayOpenAfterClick ) )
        {
            Hide();

            // Now we pass the click to our parent. Why? Because it's possible that someone above us
            // will either a) also want to hide (cancel the entire menu selection) or b) select
            // another option
            if( fParent != nil )
                return fParent->HandleMouseEvent( event, mouseX, mouseY, modifiers );
        }
    }

    return ( fParent != nil ) ? r : ( HasFlag( kModalOutsideMenus ) || ( fSubMenuOpen != -1 ) );
}

//// ClearItems //////////////////////////////////////////////////////////////
//  Clears the list of template items

void    pfGUIPopUpMenu::ClearItems( void )
{
    int     i;


    for( i = 0; i < fMenuItems.GetCount(); i++ )
    {
        if( fMenuItems[ i ].fHandler != nil )
        {
            if( fMenuItems[ i ].fHandler->DecRef() )
                delete fMenuItems[ i ].fHandler;
        }
    }

    fMenuItems.Reset();

    fNeedsRebuilding = true;
}

//// AddItem /////////////////////////////////////////////////////////////////
//  Append a new item to the list of things to build the menu from 

void    pfGUIPopUpMenu::AddItem( const char *name, pfGUICtrlProcObject *handler, pfGUIPopUpMenu *subMenu )
{
    wchar_t *wName = hsStringToWString(name);
    AddItem(wName,handler,subMenu);
    delete [] wName;
}

void    pfGUIPopUpMenu::AddItem( const wchar_t *name, pfGUICtrlProcObject *handler, pfGUIPopUpMenu *subMenu )
{
    pfMenuItem  newItem;


    newItem.fName = name;
    newItem.fHandler = handler;
    if( newItem.fHandler != nil )
        newItem.fHandler->IncRef();
    newItem.fSubMenu = subMenu;

    if( subMenu != nil )
        subMenu->fParent = this;

    fMenuItems.Append( newItem );

    fNeedsRebuilding = true;
}

//// ICreateDynMaterial //////////////////////////////////////////////////////
//  Creates the hsGMaterial tree for a single layer with a plDynamicTextMap.

hsGMaterial *pfGUIPopUpMenu::ICreateDynMaterial( void )
{
    hsColorRGBA     black, white;

    
    // Create the new dynTextMap
    plDynamicTextMap    *textMap = TRACKED_NEW plDynamicTextMap();
    fKeyGen->CreateKey( textMap );

    // Create the material
    hsGMaterial *material = TRACKED_NEW hsGMaterial;
    fKeyGen->CreateKey( material );

    // Create the layer and attach
    plLayer *lay = material->MakeBaseLayer();
    white.Set( 1.f,1.f,1.f,1.f );
    black.Set( 0.f,0.f,0.f,1.f );

    lay->SetRuntimeColor( black );
    lay->SetPreshadeColor( black );
    lay->SetAmbientColor( white );
    lay->SetClampFlags( hsGMatState::kClampTexture );

    // Do sendRef here, since we're going to need it set pretty darned quick
    hsgResMgr::ResMgr()->SendRef( textMap->GetKey(), TRACKED_NEW plLayRefMsg( lay->GetKey(), plRefMsg::kOnCreate, 0, plLayRefMsg::kTexture ), plRefFlags::kActiveRef );

    return material;

}

//// Build ///////////////////////////////////////////////////////////////////
//  Constructs a shiny new pop-up menu at runtime, complete with trimmings

#include "plJPEG/plJPEG.h"

pfGUIPopUpMenu  *pfGUIPopUpMenu::Build( const char *name, pfGUIDialogMod *parent, hsScalar x, hsScalar y, const plLocation &destLoc )
{
    float           fovX, fovY;
    

    // Create the menu and give it a key gen
    pfGUIPopUpMenu  *menu = TRACKED_NEW pfGUIPopUpMenu();
    menu->fKeyGen = TRACKED_NEW pfPopUpKeyGenerator( name, destLoc );
    menu->fKeyGen->CreateKey( menu );

    menu->fOriginX = x;
    menu->fOriginY = y;

    // By default, share the same skin as the parent
    if( parent != nil && ( (pfGUIPopUpMenu *)parent )->fSkin != nil )
    {
        menu->fWaitingForSkin = true;
        hsgResMgr::ResMgr()->SendRef( ( (pfGUIPopUpMenu *)parent )->fSkin->GetKey(), TRACKED_NEW plGenRefMsg( menu->GetKey(), plRefMsg::kOnCreate, -1, pfGUIPopUpMenu::kRefSkin ), plRefFlags::kActiveRef );
    }

    // HACK for now: create us a temp skin to use
/*  static pfGUISkin *skin = nil;
    if( skin == nil )
    {
        plLocation loc;
        loc.Set( 0x1425 );
        plKey skinKey = hsgResMgr::ResMgr()->FindKey( plUoid( loc, pfGUISkin::Index(), "GUISkin01_GUISkin" ) );
        menu->fWaitingForSkin = true;
        hsgResMgr::ResMgr()->AddViaNotify( skinKey, TRACKED_NEW plGenRefMsg( menu->GetKey(), plRefMsg::kOnCreate, -1, pfGUIPopUpMenu::kRefSkin ), plRefFlags::kActiveRef );
    }
*/

    // Create the rendermod
    plPostEffectMod *renderMod = TRACKED_NEW plPostEffectMod;
    menu->fKeyGen->CreateKey( renderMod );

    renderMod->SetHither( 0.5f );
    renderMod->SetYon( 200.f );

    float scrnWidth = 20.f;

    // fovX should be such that scrnWidth is the projected width at z=100
    fovX = atan( scrnWidth / ( 2.f * 100.f ) ) * 2.f;
    fovY = fovX;// * 3.f / 4.f;

    renderMod->SetFovX( fovX * 180.f / hsScalarPI );
    renderMod->SetFovY( fovY * 180.f / hsScalarPI );

    // Create the sceneNode to go with it
    menu->fParentNode= TRACKED_NEW plSceneNode;
    menu->fKeyGen->CreateKey( menu->fParentNode );
//  menu->fParentNode->GetKey()->RefObject();
    hsgResMgr::ResMgr()->SendRef( menu->fParentNode->GetKey(), TRACKED_NEW plGenRefMsg( menu->GetKey(), plRefMsg::kOnCreate, 0, kRefParentNode ), plRefFlags::kActiveRef );     

    hsgResMgr::ResMgr()->AddViaNotify( menu->fParentNode->GetKey(), TRACKED_NEW plGenRefMsg( renderMod->GetKey(), plRefMsg::kOnCreate, 0, plPostEffectMod::kNodeRef ), plRefFlags::kPassiveRef );       

    menu->SetRenderMod( renderMod );
    menu->SetName( name );

    // Create the dummy scene object to hold the menu
    plSceneObject   *newObj = TRACKED_NEW plSceneObject;
    menu->fKeyGen->CreateKey( newObj );

    // *#&$(*@&#$ need a coordIface...
    plCoordinateInterface *newCI = TRACKED_NEW plCoordinateInterface;
    menu->fKeyGen->CreateKey( newCI );

    hsMatrix44 l2w, w2l;
    l2w.Reset();
    l2w.GetInverse( &w2l );

    // Using SendRef here because AddViaNotify will queue the messages up, which doesn't do us any good
    // if we need these refs right away
    hsgResMgr::ResMgr()->SendRef( newCI->GetKey(), TRACKED_NEW plObjRefMsg( newObj->GetKey(), plRefMsg::kOnCreate, 0, plObjRefMsg::kInterface ), plRefFlags::kActiveRef );      
    hsgResMgr::ResMgr()->SendRef( renderMod->GetKey(), TRACKED_NEW plObjRefMsg( newObj->GetKey(), plRefMsg::kOnCreate, 0, plObjRefMsg::kModifier ), plRefFlags::kActiveRef );       
    newObj->SetSceneNode( menu->fParentNode->GetKey() );
    newObj->SetTransform( l2w, w2l );

    hsgResMgr::ResMgr()->SendRef( menu->GetKey(), TRACKED_NEW plObjRefMsg( newObj->GetKey(), plRefMsg::kOnCreate, 0, plObjRefMsg::kModifier ), plRefFlags::kActiveRef );        

    // Add the menu to the GUI mgr
    plGenRefMsg *refMsg = TRACKED_NEW plGenRefMsg( pfGameGUIMgr::GetInstance()->GetKey(), 
                                            plRefMsg::kOnCreate, 0, pfGameGUIMgr::kDlgModRef );
    hsgResMgr::ResMgr()->AddViaNotify( menu->GetKey(), refMsg, plRefFlags::kActiveRef );        

    menu->ISeekToOrigin();

    return menu;
}

//// SetSkin /////////////////////////////////////////////////////////////////

void    pfGUIPopUpMenu::SetSkin( pfGUISkin *skin )
{
    // Just a function wrapper for SendRef
    if( fSkin != nil )
        GetKey()->Release( fSkin->GetKey() );

    if( skin != nil )
    {
        hsgResMgr::ResMgr()->SendRef( skin->GetKey(), TRACKED_NEW plGenRefMsg( GetKey(), plRefMsg::kOnCreate, -1, kRefSkin ), plRefFlags::kActiveRef );
        fWaitingForSkin = true;
    }
    else
        fWaitingForSkin = false;
}


//////////////////////////////////////////////////////////////////////////////
//// pfGUISkin Implementation ////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////

pfGUISkin::pfGUISkin()
{
    fTexture = nil;
    memset( fElements, 0, sizeof( pfSRect ) * kNumElements );
}

pfGUISkin::pfGUISkin( plMipmap *texture )
{
    fTexture = texture;
    if( fTexture != nil )
    {
        hsAssert( fTexture->GetKey() != nil, "Creating a GUI skin via a mipmap with no key!" );
        fTexture->GetKey()->RefObject();
    }
    memset( fElements, 0, sizeof( pfSRect ) * kNumElements );
}

pfGUISkin::~pfGUISkin()
{
    SetTexture( nil );
}

void    pfGUISkin::SetTexture( plMipmap *tex )
{
    if( fTexture != nil && fTexture->GetKey() != nil )
        fTexture->GetKey()->UnRefObject();

    fTexture = tex;
    if( fTexture != nil )
    {
        hsAssert( fTexture->GetKey() != nil, "Creating a GUI skin via a mipmap with no key!" );
        fTexture->GetKey()->RefObject();
    }
}

void    pfGUISkin::SetElement( UInt32 idx, UInt16 x, UInt16 y, UInt16 w, UInt16 h )
{
    fElements[ idx ].fX = x;
    fElements[ idx ].fY = y;
    fElements[ idx ].fWidth = w;
    fElements[ idx ].fHeight = h;
}

void    pfGUISkin::Read( hsStream *s, hsResMgr *mgr )
{
    hsKeyedObject::Read( s, mgr );

    s->ReadSwap( &fItemMargin );
    s->ReadSwap( &fBorderMargin );

    UInt32 i, count;
    s->ReadSwap( &count );

    for( i = 0; i < count; i++ )
        fElements[ i ].Read( s );

    for( ; i < kNumElements; i++ )
        fElements[ i ].Empty();

    mgr->ReadKeyNotifyMe( s, TRACKED_NEW plGenRefMsg( GetKey(), plRefMsg::kOnCreate, -1, kRefMipmap ), plRefFlags::kActiveRef );
}

void    pfGUISkin::Write( hsStream *s, hsResMgr *mgr )
{
    hsKeyedObject::Write( s, mgr );

    s->WriteSwap( fItemMargin );
    s->WriteSwap( fBorderMargin );

    UInt32 i = kNumElements;
    s->WriteSwap( i );

    for( i = 0; i < kNumElements; i++ )
        fElements[ i ].Write( s );

    mgr->WriteKey( s, fTexture );
}

hsBool  pfGUISkin::MsgReceive( plMessage *msg )
{
    plGenRefMsg *ref = plGenRefMsg::ConvertNoRef( msg );
    if( ref != nil )
    {
        if( ref->GetContext() & ( plRefMsg::kOnCreate | plRefMsg::kOnRequest | plRefMsg::kOnReplace ) )
            fTexture = plMipmap::ConvertNoRef( ref->GetRef() );
        else
            fTexture = nil;

        return true;
    }

    return hsKeyedObject::MsgReceive( msg );
}

void    pfGUISkin::pfSRect::Read( hsStream *s )
{
    s->ReadSwap( &fX );
    s->ReadSwap( &fY );
    s->ReadSwap( &fWidth );
    s->ReadSwap( &fHeight );
}

void    pfGUISkin::pfSRect::Write( hsStream *s )
{
    s->WriteSwap( fX );
    s->WriteSwap( fY );
    s->WriteSwap( fWidth );
    s->WriteSwap( fHeight );
}