static void MergeDown( score *sc, int dst_idx, int src_idx ) {
/****************************************************************/
int dst_hi;
int src_hi;
int dst_lo;
int src_lo;
dst_hi = ScoreList[ dst_idx ]->high;
src_hi = ScoreList[ src_idx ]->high;
if( dst_hi != NO_INDEX && src_hi != NO_INDEX ) {
if( !RegsEqual( sc, src_hi, dst_hi ) ) {
RegInsert( sc, dst_hi, src_hi );
MergeDown( sc, dst_hi, src_hi );
}
}
src_lo = ScoreList[ src_idx ]->low;
dst_lo = ScoreList[ dst_idx ]->low;
if( dst_lo != NO_INDEX && src_lo != NO_INDEX ) {
if( !RegsEqual( sc, src_lo, dst_lo ) ) {
RegInsert( sc, dst_lo, src_lo );
MergeDown( sc, dst_lo, src_lo );
}
}
}
/***********************************************************************************
** Extend a range
**
** ImapCommands::MessageSet::Extend
** @param merge Whether to try to merge the extended range with other ranges
** @return Whether the range at index could be extended with [start .. end]
***********************************************************************************/
BOOL ImapCommands::MessageSet::Extend(INT32 index, UINT32 start, UINT32 end, BOOL merge)
{
if (index < 0 || index >= (int)m_ranges.GetCount())
return FALSE;
Range* range = m_ranges.GetByIndex(index);
// 'range' is extendable with values in extension if and only if
// (range->start - 1 <= end || end == 0) && (start <= range->end + 1 || range->end == 0)
if ((range->start - 1 > end && end > 0) || (start > range->end + 1 && range->end > 0))
return FALSE;
// We can extend this range. Extend start or end?
if (start < range->start)
{
m_count += range->start - start;
range->start = start;
if (merge)
MergeDown(index);
}
if (end > range->end && range->end > 0)
{
m_count += end - range->end;
range->end = end;
if (merge)
MergeUp(index);
}
return TRUE;
}
extern void RegAdd( score *sc, int dst_idx, int src_idx ) {
/*************************************************************/
/* NB: it is important that dst_idx has just become equal to src_idx*/
/* NOT vice-versa. Ie: we just did a MOV R(src_idx) ==> R(dst_idx)*/
/* or equivalent*/
if( ScoreList[ dst_idx ]->size != ScoreList[ src_idx ]->size ) return;
if( !ScAddOk( ScoreList[ dst_idx ]->reg, ScoreList[ src_idx ]->reg ) )
return;
if( RegsEqual( sc, dst_idx, src_idx ) ) return;
MergeDown( sc, dst_idx, src_idx );
MergeUp( sc, dst_idx, src_idx );
RegInsert( sc, dst_idx, src_idx );
}
void PlayGame()
{
char userChoice = 'k';
printf("Going to start game. Use AD for left, right. WS for up, down.\n");
printf("k to kill game.\n");
InitTiles();
NextStep();
do{
if(!NextStep()){
break;
}
PrintTiles();
refresh(); // printing on screen - via ncurses.
userChoice = getch();
// if(userChoice=='\n') userChoice = getchar();
switch(userChoice){
case 'a':
case 'A':
MergeLeft(); ShiftLeft(); break;
case 'd':
case 'D':
MergeRight(); ShiftRight(); break;
case 'w':
case 'W':
MergeUp(); ShiftUp(); break;
case 's':
case 'S':
MergeDown(); ShiftDown(); break;
}
clear();
}
while(SpaceAvailable() && userChoice != 'k');
printf("\nGame over.\n");
}