bool CClientFXDB::ReadFXGroups( bool bText, ILTStream* pFxFile, CLinkList<FX_GROUP *> &collGroupFx )
{
// Read in the number of FX groups in this file
uint32 dwNumGroups;
if( bText )
{
ReadTextFile( pFxFile, "%s %lu", &dwNumGroups );
}
else
{
pFxFile->Read(&dwNumGroups, sizeof(uint32));
}
//allocate a working buffer that keys can read properties into
static const uint32 knMaxKeyProps = 512;
FX_PROP* pPropBuffer = debug_newa(FX_PROP, knMaxKeyProps);
if(!pPropBuffer)
return false;
for( uint32 i = 0; i < dwNumGroups; i ++ )
{
// Create a new group.
FX_GROUP *pFxGroup = debug_new( FX_GROUP );
if( !ReadFXGroup( bText, pFxFile, pFxGroup, pPropBuffer, knMaxKeyProps ))
{
debug_deletea(pPropBuffer);
return false;
}
collGroupFx.AddTail(pFxGroup);
}
//free our working buffer
debug_deletea(pPropBuffer);
return true;
}
void CKeyControl::TrackKey(CLinkListNode<KEY> *pNode, CPoint ptAnchor, CPoint ptOffset)
{
CPoint ptLast = ptAnchor;
CPoint ptCur;
int xOff = ptOffset.x - ptAnchor.x;
int yOff = ptOffset.y - ptAnchor.y;
pNode->m_Data.m_bSelected = TRUE;
// Make a list of all the keys that are selected
CLinkList<CLinkListNode<KEY> *> collSelKeys;
CLinkListNode<KEY> *pKeyNode = m_collKeys.GetHead();
while (pKeyNode)
{
if (pKeyNode->m_Data.m_bSelected) collSelKeys.AddTail(pKeyNode);
pKeyNode = pKeyNode->m_pNext;
}
while (GetAsyncKeyState(VK_LBUTTON) & 0x8000)
{
GetCursorPos(&ptCur);
ScreenToClient(&ptCur);
ptCur.x -= xOff;
ptCur.y -= yOff;
if (ptCur != ptLast)
{
float tmKeyBase = (float)ptCur.x / (float)m_cx;
float valBase = (float)(m_cy - ptCur.y) / (float)m_cy;
if (valBase < 0.0f) valBase = 0.0f;
if (valBase > 1.0f) valBase = 1.0f;
CLinkListNode<CLinkListNode<KEY> *> *pSelNode = collSelKeys.GetHead();
while (pSelNode)
{
CLinkListNode<KEY> *pCurNode = pSelNode->m_Data;
float tmKey = tmKeyBase - pNode->m_Data.m_tmAnchor;
float val = valBase - pNode->m_Data.m_valAnchor;
float tmActual = tmKey + pCurNode->m_Data.m_tmAnchor;
if (pCurNode->m_pPrev)
{
float tmPrevActual = pCurNode->m_pPrev->m_Data.m_tmAnchor + pCurNode->m_pPrev->m_Data.m_tmKey;
if (tmPrevActual > tmActual)
{
tmKey = tmPrevActual - pCurNode->m_Data.m_tmAnchor;
}
}
else
{
tmKey = 0.0f;
}
if (pCurNode->m_pNext)
{
float tmNextActual = pCurNode->m_pNext->m_Data.m_tmAnchor + pCurNode->m_pNext->m_Data.m_tmKey;
if (tmNextActual < tmActual)
{
tmKey = tmNextActual - pCurNode->m_Data.m_tmAnchor;
}
}
else
{
tmKey = 1.0f - pCurNode->m_Data.m_tmAnchor;
}
if (val + pCurNode->m_Data.m_valAnchor < 0.0f) val = -pCurNode->m_Data.m_valAnchor;
if (val + pCurNode->m_Data.m_valAnchor > 1.0f) val = 1.0f - pCurNode->m_Data.m_valAnchor;
pCurNode->m_Data.m_tmKey = tmKey;
pCurNode->m_Data.m_val = val;
pSelNode = pSelNode->m_pNext;
}
ptLast = ptCur;
}
Redraw(pNode);
}
// And update the new positions
pNode = m_collKeys.GetHead();
while (pNode)
{
pNode->m_Data.m_tmAnchor += pNode->m_Data.m_tmKey;
pNode->m_Data.m_valAnchor += pNode->m_Data.m_val;
pNode->m_Data.m_tmKey = 0.0f;
pNode->m_Data.m_val = 0.0f;
pNode->m_Data.m_bSelected = FALSE;
pNode = pNode->m_pNext;
}
// And one final redraw to remove the selected stuff
Redraw(NULL);
}