protected override void DecodeParseString()
{
int textSlot;
switch (_actorToPrintStrFor)
{
case 252:
textSlot = 3;
break;
case 253:
textSlot = 2;
break;
case 254:
textSlot = 1;
break;
default:
textSlot = 0;
break;
}
String[textSlot].LoadDefault();
while ((_opCode = ReadByte()) != 0xFF)
{
switch (_opCode & 0xF)
{
case 0: // SO_AT
String[textSlot].Position = new Point(
(short)GetVarOrDirectWord(OpCodeParameter.Param1),
(short)GetVarOrDirectWord(OpCodeParameter.Param2));
String[textSlot].Overhead = false;
break;
case 1: // SO_COLOR
String[textSlot].Color = (byte)GetVarOrDirectByte(OpCodeParameter.Param1);
break;
case 2: // SO_CLIPPED
String[textSlot].Right = (short)GetVarOrDirectWord(OpCodeParameter.Param1);
break;
case 4: // SO_CENTER
String[textSlot].Center = true;
String[textSlot].Overhead = false;
break;
case 6: // SO_LEFT
{
if (Game.Version == 3)
{
String[textSlot].Height = GetVarOrDirectWord(OpCodeParameter.Param1);
}
else
{
String[textSlot].Center = false;
String[textSlot].Overhead = false;
}
}
break;
case 7: // SO_OVERHEAD
String[textSlot].Overhead = true;
break;
case 8:
{ // SO_SAY_VOICE
var offset = (ushort)GetVarOrDirectWord(OpCodeParameter.Param1);
var delay = (ushort)GetVarOrDirectWord(OpCodeParameter.Param2);
if (Game.GameId == Scumm.IO.GameId.Loom && Game.Version == 4)
{
if (offset == 0 && delay == 0)
{
Variables[VariableMusicTimer.Value] = 0;
Sound.StopCD();
}
else
{
// Loom specified the offset from the start of the CD;
// thus we have to subtract the length of the first track
// (22500 frames) plus the 2 second = 150 frame leadin.
// I.e. in total 22650 frames.
offset = (ushort)(offset * 7.5 - 22500 - 2 * 75);
// Slightly increase the delay (5 frames = 1/25 of a second).
// This noticably improves the experience in Loom CD.
delay = (ushort)(delay * 7.5 + 5);
Sound.PlayCDTrack(1, 0, offset, delay);
}
}
// else
// {
// Console.Error.WriteLine("ScummEngine: decodeParseString: Unhandled case 8");
// }
}
break;
case 15:
{ // SO_TEXTSTRING
var tmp = ReadCharacters();
PrintString(textSlot, tmp);
// In SCUMM V1-V3, there were no 'default' values for the text slot
// values. Hence to achieve correct behavior, we have to keep the
// 'default' values in sync with the active values.
//
// Note: This is needed for Indy3 (Grail Diary). It's also needed
// for Loom, or the lines Bobbin speaks during the intro are put
// at position 0,0.
//
// Note: We can't use saveDefault() here because we only want to
// save the position and color. In particular, we do not want to
// save the 'center' flag. See bug #933168.
if (Game.Version <= 3)
{
String[textSlot].Default.Position = String[textSlot].Position;
String[textSlot].Default.Height = String[textSlot].Height;
String[textSlot].Default.Color = String[textSlot].Color;
}
}
return;
default:
throw new NotImplementedException();
}
}
String[textSlot].SaveDefault();
}