diff options
| -rw-r--r-- | engines/dreamweb/pathfind.cpp | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/engines/dreamweb/pathfind.cpp b/engines/dreamweb/pathfind.cpp index bd7412fc7d..f6591d4666 100644 --- a/engines/dreamweb/pathfind.cpp +++ b/engines/dreamweb/pathfind.cpp @@ -278,17 +278,17 @@ void DreamBase::bresenhams() { void DreamBase::workoutFrames() { byte tmp; - uint16 diffx, diffy; + int diffx, diffy; // We have to use signed arithmetic here because these values can // be slightly negative when walking off-screen - int lineStartX = data.word(kLinestartx); - int lineStartY = data.word(kLinestarty); - int lineEndX = data.word(kLineendx); - int lineEndY = data.word(kLineendy); + int lineStartX = (int16)data.word(kLinestartx); + int lineStartY = (int16)data.word(kLinestarty); + int lineEndX = (int16)data.word(kLineendx); + int lineEndY = (int16)data.word(kLineendy); - diffx = ABS(lineStartX -lineEndX); + diffx = ABS(lineStartX - lineEndX); diffy = ABS(lineStartY - lineEndY); if (diffx < diffy) { |