Chris Danford
359 lines
11 KiB
C++
359 lines
11 KiB
C++
#include "global.h"
|
|
#include "ActorScroller.h"
|
|
#include "ActorCollision.h"
|
|
#include "RageUtil.h"
|
|
#include "RageDisplay.h"
|
|
#include "IniFile.h"
|
|
#include "arch/Dialog/Dialog.h"
|
|
#include "RageLog.h"
|
|
#include "ActorUtil.h"
|
|
#include <sstream>
|
|
|
|
// lua start
|
|
LUA_REGISTER_CLASS( ActorScroller )
|
|
// lua end
|
|
|
|
/* Tricky: We need ActorFrames created in XML to auto delete their children.
|
|
* We don't want classes that derive from ActorFrame to auto delete their
|
|
* children. The name "ActorFrame" is widely used in XML, so we'll have
|
|
* that string instead create an ActorFrameAutoDeleteChildren object.
|
|
*/
|
|
//REGISTER_ACTOR_CLASS( ActorScroller )
|
|
REGISTER_ACTOR_CLASS_WITH_NAME( ActorScrollerAutoDeleteChildren, ActorScroller )
|
|
|
|
|
|
ActorScroller::ActorScroller()
|
|
{
|
|
m_bLoaded = false;
|
|
m_fCurrentItem = 0;
|
|
m_fDestinationItem = 0;
|
|
m_fSecondsPerItem = 1;
|
|
m_fNumItemsToDraw = 7;
|
|
m_fSecondsPauseBetweenItems = 0;
|
|
m_fNumItemsToDraw = 7;
|
|
m_bLoop = false;
|
|
m_bFastCatchup = false;
|
|
m_fPauseCountdownSeconds = 0;
|
|
m_fQuantizePixels = 0;
|
|
|
|
m_bUseMask = false;
|
|
m_fMaskWidth = 1;
|
|
m_fMaskHeight = 1;
|
|
m_quadMask.SetBlendMode( BLEND_NO_EFFECT ); // don't change color values
|
|
m_quadMask.SetUseZBuffer( true ); // we want to write to the Zbuffer
|
|
m_quadMask.SetHidden( true );
|
|
}
|
|
|
|
void ActorScroller::Load(
|
|
float fSecondsPerItem,
|
|
float fNumItemsToDraw,
|
|
const RageVector3 &vRotationDegrees,
|
|
const RageVector3 &vTranslateTerm0,
|
|
const RageVector3 &vTranslateTerm1,
|
|
const RageVector3 &vTranslateTerm2,
|
|
bool bUseMask
|
|
)
|
|
{
|
|
m_fSecondsPerItem = fSecondsPerItem;
|
|
m_fNumItemsToDraw = fNumItemsToDraw;
|
|
|
|
|
|
// Note: Rotation is applied before translation.
|
|
// rot = m_vRotationDegrees*itemOffset^1
|
|
// trans = m_vTranslateTerm0*itemOffset^0 +
|
|
// m_vTranslateTerm1*itemOffset^1 +
|
|
// m_vTranslateTerm2*itemOffset^2
|
|
ostringstream s;
|
|
s <<
|
|
"function(self,offset,itemIndex,numItems) " <<
|
|
"self:x(" << vTranslateTerm0.x << " + " << vTranslateTerm1.x << "*offset + " << vTranslateTerm2.x << "*offset*offset); " <<
|
|
"self:y(" << vTranslateTerm0.y << " + " << vTranslateTerm1.y << "*offset + " << vTranslateTerm2.y << "*offset*offset); " <<
|
|
"self:z(" << vTranslateTerm0.z << " + " << vTranslateTerm1.z << "*offset + " << vTranslateTerm2.z << "*offset*offset); " <<
|
|
"self:rotationx(" << vRotationDegrees.x << "*offset); " <<
|
|
"self:rotationy(" << vRotationDegrees.y << "*offset); " <<
|
|
"self:rotationz(" << vRotationDegrees.z << "*offset); " <<
|
|
"end";
|
|
m_exprTransform.SetFromExpression( s.str() );
|
|
|
|
m_fQuantizePixels = 0;
|
|
m_bUseMask = bUseMask;
|
|
|
|
m_bLoaded = true;
|
|
}
|
|
|
|
void ActorScroller::Load2(
|
|
float fNumItemsToDraw,
|
|
float fItemWidth,
|
|
float fItemHeight,
|
|
bool bLoop,
|
|
float fSecondsPerItem,
|
|
float fSecondsPauseBetweenItems )
|
|
{
|
|
CLAMP( fNumItemsToDraw, 1, 10000 );
|
|
CLAMP( fItemWidth, 1, 10000 );
|
|
CLAMP( fItemHeight, 1, 10000 );
|
|
CLAMP( fSecondsPerItem, 0.01f, 10000 );
|
|
CLAMP( fSecondsPauseBetweenItems, 0, 10000 );
|
|
|
|
m_fNumItemsToDraw = fNumItemsToDraw;
|
|
m_fMaskWidth = fItemWidth;
|
|
m_fMaskHeight = fItemHeight;
|
|
|
|
m_exprTransform.SetFromExpression(
|
|
ssprintf("function(self,offset,itemIndex,numItems) return self:y(%f*offset) end",fItemHeight)
|
|
);
|
|
|
|
m_bLoop = bLoop;
|
|
m_fSecondsPerItem = fSecondsPerItem;
|
|
m_fSecondsPauseBetweenItems = fSecondsPauseBetweenItems;
|
|
m_fCurrentItem = m_bLoop ? 0 : (float)-m_fNumItemsToDraw;
|
|
m_fDestinationItem = (float)(m_SubActors.size()+1);
|
|
m_fPauseCountdownSeconds = 0;
|
|
m_fQuantizePixels = 0;
|
|
|
|
m_bUseMask = true;
|
|
RectF rectBarSize(
|
|
-m_fMaskWidth/2,
|
|
-m_fMaskHeight/2,
|
|
m_fMaskWidth/2,
|
|
m_fMaskHeight/2 );
|
|
m_quadMask.StretchTo( rectBarSize );
|
|
m_quadMask.SetZ( 1 );
|
|
|
|
m_quadMask.SetHidden( false );
|
|
|
|
m_bLoaded = true;
|
|
}
|
|
|
|
void ActorScroller::Load3(
|
|
float fSecondsPerItem,
|
|
float fNumItemsToDraw,
|
|
bool bFastCatchup,
|
|
const CString &sExprTransform
|
|
)
|
|
{
|
|
m_fSecondsPerItem = fSecondsPerItem;
|
|
m_fNumItemsToDraw = fNumItemsToDraw;
|
|
m_bFastCatchup = bFastCatchup;
|
|
m_exprTransform.SetFromExpression( sExprTransform );
|
|
m_fQuantizePixels = 0;
|
|
m_bLoaded = true;
|
|
}
|
|
|
|
float ActorScroller::GetSecondsForCompleteScrollThrough()
|
|
{
|
|
float fTotalItems = m_fNumItemsToDraw + m_SubActors.size();
|
|
return fTotalItems * (m_fSecondsPerItem + m_fSecondsPauseBetweenItems );
|
|
}
|
|
|
|
void ActorScroller::LoadFromNode( const CString &sDir, const XNode *pNode )
|
|
{
|
|
ActorFrame::LoadFromNode( sDir, pNode );
|
|
|
|
bool bUseScroller = false;
|
|
pNode->GetAttrValue( "UseScroller", bUseScroller );
|
|
if( !bUseScroller )
|
|
return;
|
|
|
|
#define GET_VALUE( szName, valueOut ) \
|
|
if( !pNode->GetAttrValue( szName, valueOut ) ) { \
|
|
CString sError = ssprintf("Animation in '%s' is missing the value Scroller::%s", sDir.c_str(), szName); \
|
|
LOG->Warn( sError ); \
|
|
Dialog::OK( sError ); \
|
|
}
|
|
|
|
float fSecondsPerItem = 1;
|
|
float fNumItemsToDraw = 0;
|
|
RageVector3 vRotationDegrees = RageVector3(0,0,0);
|
|
RageVector3 vTranslateTerm0 = RageVector3(0,0,0);
|
|
RageVector3 vTranslateTerm1 = RageVector3(0,0,0);
|
|
RageVector3 vTranslateTerm2 = RageVector3(0,0,0);
|
|
float fItemPaddingStart = 0;
|
|
float fItemPaddingEnd = 0;
|
|
|
|
GET_VALUE( "SecondsPerItem", fSecondsPerItem );
|
|
GET_VALUE( "NumItemsToDraw", fNumItemsToDraw );
|
|
GET_VALUE( "RotationDegreesX", vRotationDegrees.x );
|
|
GET_VALUE( "RotationDegreesY", vRotationDegrees.y );
|
|
GET_VALUE( "RotationDegreesZ", vRotationDegrees.z );
|
|
GET_VALUE( "TranslateTerm0X", vTranslateTerm0.x );
|
|
GET_VALUE( "TranslateTerm0Y", vTranslateTerm0.y );
|
|
GET_VALUE( "TranslateTerm0Z", vTranslateTerm0.z );
|
|
GET_VALUE( "TranslateTerm1X", vTranslateTerm1.x );
|
|
GET_VALUE( "TranslateTerm1Y", vTranslateTerm1.y );
|
|
GET_VALUE( "TranslateTerm1Z", vTranslateTerm1.z );
|
|
GET_VALUE( "TranslateTerm2X", vTranslateTerm2.x );
|
|
GET_VALUE( "TranslateTerm2Y", vTranslateTerm2.y );
|
|
GET_VALUE( "TranslateTerm2Z", vTranslateTerm2.z );
|
|
GET_VALUE( "ItemPaddingStart", fItemPaddingStart );
|
|
GET_VALUE( "ItemPaddingEnd", fItemPaddingEnd );
|
|
#undef GET_VALUE
|
|
|
|
Load(
|
|
fSecondsPerItem,
|
|
fNumItemsToDraw,
|
|
vRotationDegrees,
|
|
vTranslateTerm0,
|
|
vTranslateTerm1,
|
|
vTranslateTerm2 );
|
|
SetCurrentAndDestinationItem( -fItemPaddingStart );
|
|
SetDestinationItem( m_SubActors.size()-1+fItemPaddingEnd );
|
|
|
|
pNode->GetAttrValue( "QuantizePixels", m_fQuantizePixels );
|
|
}
|
|
|
|
void ActorScroller::Update( float fDeltaTime )
|
|
{
|
|
ActorFrame::Update( fDeltaTime );
|
|
|
|
if( m_fHibernateSecondsLeft > 0 )
|
|
return; // early abort
|
|
|
|
/* If we have no children, the code below will busy loop. */
|
|
if( !m_SubActors.size() )
|
|
return;
|
|
|
|
// handle pause
|
|
if( fDeltaTime > m_fPauseCountdownSeconds )
|
|
{
|
|
fDeltaTime -= m_fPauseCountdownSeconds;
|
|
m_fPauseCountdownSeconds = 0;
|
|
}
|
|
else
|
|
{
|
|
m_fPauseCountdownSeconds -= fDeltaTime;
|
|
fDeltaTime = 0;
|
|
return;
|
|
}
|
|
|
|
|
|
if( m_fCurrentItem == m_fDestinationItem )
|
|
return; // done scrolling
|
|
|
|
|
|
float fOldItemAtTop = m_fCurrentItem;
|
|
if( m_fSecondsPerItem > 0 )
|
|
{
|
|
float fApproachSpeed = fDeltaTime/m_fSecondsPerItem;
|
|
if( m_bFastCatchup )
|
|
{
|
|
float fDistanceToMove = fabsf(m_fCurrentItem - m_fDestinationItem);
|
|
if( fDistanceToMove > 1 )
|
|
fApproachSpeed *= fDistanceToMove*fDistanceToMove;
|
|
}
|
|
|
|
fapproach( m_fCurrentItem, m_fDestinationItem, fApproachSpeed );
|
|
}
|
|
|
|
// if items changed, then pause
|
|
if( (int)fOldItemAtTop != (int)m_fCurrentItem )
|
|
m_fPauseCountdownSeconds = m_fSecondsPauseBetweenItems;
|
|
|
|
if( m_bLoop )
|
|
m_fCurrentItem = fmodf( m_fCurrentItem, m_fNumItemsToDraw+1 );
|
|
}
|
|
|
|
|
|
void ActorScroller::PositionItem( Actor *pActor, float fPositionOffsetFromCenter, int iItemIndex, int iNumItems )
|
|
{
|
|
m_exprTransform.PushSelf( LUA->L );
|
|
ASSERT( !lua_isnil(LUA->L, -1) );
|
|
pActor->PushSelf( LUA->L );
|
|
LuaHelpers::Push( fPositionOffsetFromCenter, LUA->L );
|
|
LuaHelpers::Push( iItemIndex, LUA->L );
|
|
LuaHelpers::Push( iNumItems, LUA->L );
|
|
lua_call( LUA->L, 4, 0 ); // 4 args, 0 results
|
|
}
|
|
|
|
void ActorScroller::DrawPrimitives()
|
|
{
|
|
// Optimization: If we weren't loaded, then fall back to the ActorFrame logic
|
|
if( !m_bLoaded )
|
|
{
|
|
ActorFrame::DrawPrimitives();
|
|
return;
|
|
}
|
|
|
|
if( m_SubActors.empty() )
|
|
return;
|
|
|
|
// write to z buffer so that top and bottom are clipped
|
|
float fPositionFullyOnScreenTop = -(m_fNumItemsToDraw-1)/2.f;
|
|
float fPositionFullyOnScreenBottom = (m_fNumItemsToDraw-1)/2.f;
|
|
float fPositionFullyOffScreenTop = fPositionFullyOnScreenTop - 1;
|
|
float fPositionFullyOffScreenBottom = fPositionFullyOnScreenBottom + 1;
|
|
float fPositionOnEdgeOfScreenTop = -(m_fNumItemsToDraw)/2.f;
|
|
float fPositionOnEdgeOfScreenBottom = (m_fNumItemsToDraw)/2.f;
|
|
|
|
float fFirstItemToDraw = 0;
|
|
float fLastItemToDraw = 0;
|
|
|
|
if( m_bUseMask )
|
|
{
|
|
PositionItem( &m_quadMask, fPositionFullyOffScreenTop, -1, m_SubActors.size() );
|
|
m_quadMask.Draw();
|
|
|
|
PositionItem( &m_quadMask, fPositionFullyOffScreenBottom, m_SubActors.size(), m_SubActors.size() );
|
|
m_quadMask.Draw();
|
|
|
|
fFirstItemToDraw = fPositionFullyOffScreenTop + m_fCurrentItem;
|
|
fLastItemToDraw = fPositionFullyOffScreenBottom + m_fCurrentItem;
|
|
}
|
|
else
|
|
{
|
|
fFirstItemToDraw = fPositionOnEdgeOfScreenTop + m_fCurrentItem;
|
|
fLastItemToDraw = fPositionOnEdgeOfScreenBottom + m_fCurrentItem;
|
|
}
|
|
|
|
bool bDelayedDraw = m_bDrawByZPosition && !m_bLoop;
|
|
vector<Actor*> subs;
|
|
|
|
for( int iItem=(int)truncf(ceilf(fFirstItemToDraw)); iItem<=fLastItemToDraw; iItem++ )
|
|
{
|
|
float fPosition = iItem - m_fCurrentItem;
|
|
int iIndex = iItem;
|
|
if( m_bLoop )
|
|
wrap( iIndex, m_SubActors.size()-1 );
|
|
else if( iIndex < 0 || iIndex >= (int)m_SubActors.size() )
|
|
continue;
|
|
|
|
PositionItem( m_SubActors[iIndex], fPosition, iIndex, m_SubActors.size() );
|
|
if( bDelayedDraw )
|
|
subs.push_back( m_SubActors[iIndex] );
|
|
else
|
|
m_SubActors[iIndex]->Draw();
|
|
}
|
|
|
|
if( bDelayedDraw )
|
|
{
|
|
ActorUtil::SortByZPosition( subs );
|
|
FOREACH( Actor*, subs, a )
|
|
(*a)->Draw();
|
|
}
|
|
}
|
|
|
|
/*
|
|
* (c) 2003-2004 Chris Danford
|
|
* All rights reserved.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the
|
|
* "Software"), to deal in the Software without restriction, including
|
|
* without limitation the rights to use, copy, modify, merge, publish,
|
|
* distribute, and/or sell copies of the Software, and to permit persons to
|
|
* whom the Software is furnished to do so, provided that the above
|
|
* copyright notice(s) and this permission notice appear in all copies of
|
|
* the Software and that both the above copyright notice(s) and this
|
|
* permission notice appear in supporting documentation.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
|
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF
|
|
* THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS
|
|
* INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT
|
|
* OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
|
|
* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
|
|
* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
|
|
* PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|