DOOM-3-BFG

MenuWidget_Carousel.cpp (7038B)

---

 /*
 ===========================================================================
 
 Doom 3 BFG Edition GPL Source Code
 Copyright (C) 1993-2012 id Software LLC, a ZeniMax Media company. 
 
 This file is part of the Doom 3 BFG Edition GPL Source Code ("Doom 3 BFG Edition Source Code").  
 
 Doom 3 BFG Edition Source Code 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.
 
 Doom 3 BFG Edition Source Code 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 Doom 3 BFG Edition Source Code.  If not, see <http://www.gnu.org/licenses/>.
 
 In addition, the Doom 3 BFG Edition Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 BFG Edition Source Code.  If not, please request a copy in writing from id Software at the address below.
 
 If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
 
 ===========================================================================
 */
 #pragma hdrstop
 #include "../../idLib/precompiled.h"
 #include "../Game_local.h"
 
 void idMenuWidget_Carousel::Initialize( idMenuHandler * data ) {
 	idMenuWidget::Initialize( data );
 
 	class idCarouselRefresh : public idSWFScriptFunction_RefCounted {
 	public:
 		idCarouselRefresh( idMenuWidget_Carousel * _widget ) :
 			widget( _widget ) {
 			}
 
 			idSWFScriptVar Call( idSWFScriptObject * thisObject, const idSWFParmList & parms ) {
 
 				if ( widget == NULL ) {
 					return idSWFScriptVar();
 				}
 
 				if ( widget->GetMoveDiff() != 0 ) {
 					int diff = widget->GetMoveDiff();
 					diff--;
 
 					if ( widget->GetScrollLeft() ) {
 						widget->SetViewIndex( widget->GetViewIndex() - 1 );
 					} else {
 						widget->SetViewIndex( widget->GetViewIndex() + 1 );
 					}
 
 					if ( diff > 0 ) {
 						if ( widget->GetScrollLeft() ) {
 							widget->MoveToIndex( ( widget->GetNumVisibleOptions() / 2 ) + diff );
 						} else {
 							widget->MoveToIndex( diff );
 						}
 					} else {
 						widget->SetMoveDiff( 0 );
 					}
 				} 
 
 				widget->Update();
 				return idSWFScriptVar();
 			}
 	private:
 		idMenuWidget_Carousel *	widget;
 	};	
 
 	if ( GetSWFObject() != NULL ) {
 		GetSWFObject()->SetGlobal( "refreshCarousel", new idCarouselRefresh( this ) );
 	}
 }
 
 /*
 ========================
 idMenuWidget_Carousel::Update
 ========================
 */
 void idMenuWidget_Carousel::Update() {
 
 	if ( GetSWFObject() == NULL ) {
 		return;
 	}
 
 	idSWFScriptObject & root = GetSWFObject()->GetRootObject();
 
 	if ( !BindSprite( root ) ) {
 		return;
 	}
 
 	int midPoint = GetNumVisibleOptions() / 2 + 1;
 	for ( int optionIndex = 0; optionIndex < GetNumVisibleOptions(); ++optionIndex ) {
 
 		int listIndex = viewIndex + optionIndex;
 		if ( optionIndex >= midPoint ) {
 			listIndex = viewIndex - ( optionIndex - ( midPoint - 1 ) );
 		}
 
 		idMenuWidget & child = GetChildByIndex( optionIndex );
 		child.SetSpritePath( GetSpritePath(), va( "item%d", optionIndex ) );
 		if ( child.BindSprite( root ) ) {
 			if ( listIndex < 0 || listIndex >= GetTotalNumberOfOptions() ) {
 				child.SetState( WIDGET_STATE_HIDDEN );
 			} else {
 				idMenuWidget_Button * const button = dynamic_cast< idMenuWidget_Button * >( &child );
 				button->SetImg( imgList[ listIndex ] );
 				child.Update();
 				if ( optionIndex == focusIndex ) {
 					child.SetState( WIDGET_STATE_SELECTING );
 				} else {
 					child.SetState( WIDGET_STATE_NORMAL );
 				}
 			}
 		}
 	}
 }
 
 /*
 ========================
 idMenuWidget_Carousel::SetListImages
 ========================
 */
 void idMenuWidget_Carousel::SetListImages( idList<const idMaterial *> & list ) {
 	imgList.Clear();
 	for ( int i = 0; i < list.Num(); ++i ) {
 		imgList.Append( list[ i ] );
 	}
 }
 
 /*
 ========================
 idMenuWidget_Carousel::Update
 ========================
 */
 bool idMenuWidget_Carousel::HandleAction( idWidgetAction & action, const idWidgetEvent & event, idMenuWidget * widget, bool forceHandled ) {
 	return idMenuWidget::HandleAction( action, event, widget, forceHandled );
 }
 
 /*
 ========================
 idMenuWidget_Carousel::MoveToFirstItem
 ========================
 */
 void idMenuWidget_Carousel::MoveToFirstItem( bool instant ) {
 	if ( instant ) {
 		moveDiff = 0;
 		viewIndex = 0;
 		moveToIndex = 0;
 
 		idSWFScriptObject & root = GetSWFObject()->GetRootObject();
 		if ( BindSprite( root ) ) {
 			GetSprite()->StopFrame( 1 );
 		}
 
 		Update();
 	}
 }
 
 /*
 ========================
 idMenuWidget_Carousel::MoveToLastItem
 ========================
 */
 void idMenuWidget_Carousel::MoveToLastItem( bool instant ) {	
 	if ( instant ) {
 		moveDiff = 0;
 		viewIndex = GetTotalNumberOfOptions() - 1;
 		moveToIndex = GetTotalNumberOfOptions() - 1;
 
 		idSWFScriptObject & root = GetSWFObject()->GetRootObject();
 		if ( BindSprite( root ) ) {
 			GetSprite()->StopFrame( 1 );
 		}
 		Update();
 	}
 }
 
 /*
 ========================
 idMenuWidget_Carousel::Update
 ========================
 */
 void idMenuWidget_Carousel::MoveToIndex( int index, bool instant ) {
 
 	idLib::Printf( "moveToIndex %i\n", index );
 
 	if ( instant ) {
 		viewIndex = index;
 		moveDiff = 0;
 		moveToIndex = viewIndex;
 
 		idLib::Printf( "moveDiff = %i\n", moveDiff );
 
 		idSWFScriptObject & root = GetSWFObject()->GetRootObject();
 		if ( BindSprite( root ) ) {
 			GetSprite()->StopFrame( 1 );
 		}		
 
 		Update();
 		return;
 	}
 
 	if ( index == 0 ) {
 		fastScroll = false;
 		moveDiff = 0;
 
 		idLib::Printf( "moveDiff = %i\n", moveDiff );
 
 		viewIndex = moveToIndex;
 		return;
 	}
 
 	int midPoint = GetNumVisibleOptions() / 2;
 	scrollLeft = false;
 	if ( index > midPoint ) {
 		moveDiff = index - midPoint;
 		scrollLeft = true;
 	} else {
 		moveDiff = index;
 	}
 
 	idLib::Printf( "moveDiff = %i\n", moveDiff );
 
 	if ( scrollLeft ) {
 		moveToIndex = viewIndex - moveDiff;
 		if ( moveToIndex < 0 ) {
 			moveToIndex = 0;
 			int diff = 0 - moveToIndex;
 			moveDiff -= diff;
 		}
 	} else {
 		moveToIndex = viewIndex + moveDiff;
 		if ( moveToIndex >= GetTotalNumberOfOptions() ) {
 			moveDiff = GetTotalNumberOfOptions() - GetViewIndex() - 1;
 			moveToIndex = GetTotalNumberOfOptions() - 1;
 		}
 	}
 
 	idLib::Printf( "moveDiff = %i\n", moveDiff );
 
 	if ( moveDiff != 0 ) {
 		if ( moveDiff > 1 ) {
 			if ( scrollLeft ) {
 				GetSprite()->PlayFrame( "leftFast" );
 			} else {
 				GetSprite()->PlayFrame( "rightFast" );
 			}
 		} else {
 			if ( scrollLeft ) {
 				GetSprite()->PlayFrame( "left" );
 			} else {
 				GetSprite()->PlayFrame( "right" );
 			}
 		}
 	}
 
 	idLib::Printf( "moveDiff = %i\n", moveDiff );
 }