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/*==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==*/
//////////////////////////////////////////////////////////////////////////////
// //
// pfGUIKnobCtrl Definition //
// //
//////////////////////////////////////////////////////////////////////////////
#include "hsTypes.h"
#include "pfGUIKnobCtrl.h"
#include "pfGameGUIMgr.h"
#include "pfGUIDialogMod.h"
#include "plInputCore/plInputInterface.h"
#include "pnMessage/plRefMsg.h"
#include "pfMessage/pfGameGUIMsg.h"
#include "plMessage/plAnimCmdMsg.h"
// #include "plAvatar/plAGModifier.h"
#include "plAvatar/plAGMasterMod.h"
#include "plAvatar/plAGAnimInstance.h"
#include "plSurface/plLayerAnimation.h"
#include "pnSceneObject/plSceneObject.h"
#include "pnSceneObject/plCoordinateInterface.h"
#include "plgDispatch.h"
#include "hsResMgr.h"
//// Constructor/Destructor //////////////////////////////////////////////////
pfGUIKnobCtrl::pfGUIKnobCtrl() :
fAnimName(nil),
fDragStart(0.f, 0.f, 0.f),
fDragging(false),
fAnimStartPos(0.f, 0.f, 0.f),
fAnimEndPos(0.f, 0.f, 0.f),
fDragRangeMin(0.f),
fDragRangeMax(0.f),
fAnimBegin(0.f),
fAnimEnd(0.f),
fAnimTimesCalced(false)
{
SetFlag( kWantsInterest );
}
pfGUIKnobCtrl::~pfGUIKnobCtrl()
{
delete [] fAnimName;
}
//// IEval ///////////////////////////////////////////////////////////////////
hsBool pfGUIKnobCtrl::IEval( double secs, hsScalar del, UInt32 dirty )
{
return pfGUIValueCtrl::IEval( secs, del, dirty );
}
//// MsgReceive //////////////////////////////////////////////////////////////
hsBool pfGUIKnobCtrl::MsgReceive( plMessage *msg )
{
return pfGUIValueCtrl::MsgReceive( msg );
}
//// Read/Write //////////////////////////////////////////////////////////////
void pfGUIKnobCtrl::Read( hsStream *s, hsResMgr *mgr )
{
pfGUIValueCtrl::Read(s, mgr);
fAnimationKeys.Reset();
UInt32 i, count = s->ReadSwap32();
for( i = 0; i < count; i++ )
fAnimationKeys.Append( mgr->ReadKey( s ) );
fAnimName = s->ReadSafeString();
fAnimTimesCalced = false;
fAnimStartPos.Read( s );
fAnimEndPos.Read( s );
}
void pfGUIKnobCtrl::Write( hsStream *s, hsResMgr *mgr )
{
pfGUIValueCtrl::Write( s, mgr );
UInt32 i, count = fAnimationKeys.GetCount();
s->WriteSwap32( count );
for( i = 0; i < count; i++ )
mgr->WriteKey( s, fAnimationKeys[ i ] );
s->WriteSafeString( fAnimName );
fAnimStartPos.Write( s );
fAnimEndPos.Write( s );
}
//// UpdateBounds ////////////////////////////////////////////////////////////
void pfGUIKnobCtrl::UpdateBounds( hsMatrix44 *invXformMatrix, hsBool force )
{
pfGUIValueCtrl::UpdateBounds( invXformMatrix, force );
if( fAnimationKeys.GetCount() > 0 )
fBoundsValid = false;
}
//// HandleMouseDown/Up //////////////////////////////////////////////////////
void pfGUIKnobCtrl::HandleMouseDown( hsPoint3 &mousePt, UInt8 modifiers )
{
fDragStart = mousePt;
fDragValue = fValue;
fDragging = true;
if( HasFlag( kMapToAnimationRange ) )
{
hsPoint3 scrnStart, scrnEnd;
// At mouse-down, we take our local-space start and end points and
// translate them by our parent object's local-to-world to get the
// right points in world-space. We do this now because our parent
// might be animated, which could complicate matters a tad.
scrnStart = fAnimStartPos;
scrnEnd = fAnimEndPos;
plSceneObject *target = GetTarget();
if( target != nil )
{
const plCoordinateInterface *ci = target->GetCoordinateInterface();
if( ci != nil )
{
const plCoordinateInterface *parentCI = ci->GetParent();
if( parentCI != nil )
{
const hsMatrix44 &parentLocalToWorld = parentCI->GetLocalToWorld();
scrnStart = parentLocalToWorld * scrnStart;
scrnEnd = parentLocalToWorld * scrnEnd;
}
}
}
scrnStart = fDialog->WorldToScreenPoint( scrnStart );
scrnEnd = fDialog->WorldToScreenPoint( scrnEnd );
if( HasFlag( kLeftRightOrientation ) )
{
fDragRangeMin = scrnStart.fX;
fDragRangeMax = scrnEnd.fX;
}
else
{
fDragRangeMin = scrnStart.fY;
fDragRangeMax = scrnEnd.fY;
}
}
else if( HasFlag( kMapToScreenRange ) )
{
fDragRangeMin = 0.f;
fDragRangeMax = 1.f;
}
else
fDragRangeMin = -1;
}
void pfGUIKnobCtrl::HandleMouseUp( hsPoint3 &mousePt, UInt8 modifiers )
{
fDragging = false;
HandleMouseDrag( mousePt, modifiers );
}
void pfGUIKnobCtrl::HandleMouseDrag( hsPoint3 &mousePt, UInt8 modifiers )
{
hsScalar oldValue = fValue, newValue = fDragValue;
if( fDragRangeMin != -1 )
{
if( HasFlag( kLeftRightOrientation ) )
{
if( mousePt.fX < fDragRangeMin )
newValue = fMin;
else if( mousePt.fX > fDragRangeMax )
newValue = fMax;
else
newValue = ( ( mousePt.fX - fDragRangeMin ) / ( fDragRangeMax - fDragRangeMin ) ) *
( fMax - fMin ) + fMin;
}
else
{
if( mousePt.fY > fDragRangeMin )
newValue = fMin;
else if( mousePt.fY < fDragRangeMax )
newValue = fMax;
else
newValue = ( ( fDragRangeMin - mousePt.fY) / ( fDragRangeMin - fDragRangeMax ) ) *
( fMax - fMin ) + fMin;
}
if( HasFlag( kReverseValues ) )
SetCurrValue( fMax - ( newValue - fMin ) );
else
SetCurrValue( newValue );
}
else
{
hsScalar diff;
if( HasFlag( kLeftRightOrientation ) )
diff = ( mousePt.fX - fDragStart.fX ) * 20.f;
else
diff = ( fDragStart.fY - mousePt.fY ) * 20.f;
if( HasFlag( kReverseValues ) )
SetCurrValue( fDragValue - diff );
else
SetCurrValue( fDragValue + diff );
}
// !fDragging = We're mousing-up, so if we're still dragging, we need to not have the only-
// on-mouse-up flag set. Just FYI
if( !fDragging || !HasFlag( kTriggerOnlyOnMouseUp ) )
DoSomething();
}
//// SetAnimationKeys ////////////////////////////////////////////////////////
void pfGUIKnobCtrl::SetAnimationKeys( hsTArray<plKey> &keys, const char *name )
{
fAnimationKeys = keys;
delete [] fAnimName;
if( name != nil )
{
fAnimName = TRACKED_NEW char[ strlen( name ) + 1 ];
strcpy( fAnimName, name );
}
else
fAnimName = nil;
}
//// ICalcAnimTimes //////////////////////////////////////////////////////////
// Loops through and computes the max begin and end for our animations. If
// none of them are loaded and we're not already calced, returns false.
hsBool pfGUIKnobCtrl::ICalcAnimTimes( void )
{
if( fAnimTimesCalced )
return true;
hsScalar tBegin = 1e30, tEnd = -1e30;
bool foundOne = false;
for( int i = 0; i < fAnimationKeys.GetCount(); i++ )
{
// Handle AGMasterMods
plAGMasterMod *mod = plAGMasterMod::ConvertNoRef( fAnimationKeys[ i ]->ObjectIsLoaded() );
if( mod != nil )
{
for( int j = 0; j < mod->GetNumAnimations(); j++ )
{
hsScalar begin = mod->GetAnimInstance( j )->GetTimeConvert()->GetBegin();
hsScalar end = mod->GetAnimInstance( j )->GetTimeConvert()->GetEnd();
if( begin < tBegin )
tBegin = begin;
if( end > tEnd )
tEnd = end;
}
foundOne = true;
}
// Handle layer animations
plLayerAnimation *layer = plLayerAnimation::ConvertNoRef( fAnimationKeys[ i ]->ObjectIsLoaded() );
if( layer != nil )
{
hsScalar begin = layer->GetTimeConvert().GetBegin();
hsScalar end = layer->GetTimeConvert().GetEnd();
if( begin < tBegin )
tBegin = begin;
if( end > tEnd )
tEnd = end;
foundOne = true;
}
}
if( foundOne )
{
fAnimBegin = tBegin;
fAnimEnd = tEnd;
fAnimTimesCalced = true;
}
return fAnimTimesCalced;
}
//// SetCurrValue ////////////////////////////////////////////////////////////
void pfGUIKnobCtrl::SetCurrValue( hsScalar v )
{
int old = (int)fValue;
pfGUIValueCtrl::SetCurrValue( v );
// if( old == (int)fValue )
// return;
if( fAnimationKeys.GetCount() > 0 )
{
ICalcAnimTimes();
hsScalar tLength = fAnimEnd - fAnimBegin;
hsScalar newTime = fMin;
if (fMin != fMax) // Protect against div by zero
{
if( HasFlag( kReverseValues ) )
newTime = ( ( fMax - fValue ) / ( fMax - fMin ) ) * tLength + fAnimBegin;
else
newTime = ( ( fValue - fMin ) / ( fMax - fMin ) ) * tLength + fAnimBegin;
}
plAnimCmdMsg *msg = TRACKED_NEW plAnimCmdMsg();
msg->SetCmd( plAnimCmdMsg::kGoToTime );
msg->SetAnimName( fAnimName );
msg->fTime = newTime;
msg->AddReceivers( fAnimationKeys );
plgDispatch::MsgSend( msg );
}
}
//// IGetDesiredCursor ///////////////////////////////////////////////////////
UInt32 pfGUIKnobCtrl::IGetDesiredCursor( void ) const
{
if( HasFlag( kLeftRightOrientation ) )
{
if( fDragging )
return plInputInterface::kCursorLeftRightDragging;
return plInputInterface::kCursorLeftRightDraggable;
}
else
{
if( fDragging )
return plInputInterface::kCursorUpDownDragging;
return plInputInterface::kCursorUpDownDraggable;
}
}