MOHAWK: Use floor instead of round

round() is C99; floor() and adding 0.5 to the parameter is sufficient. Probably having detection for floor() and a compatibility definition otherwise would make sense.

1 files changed, 1 insertions, 1 deletions

diff --git a/engines/mohawk/riven_external.cpp b/engines/mohawk/riven_external.cpp
index 7ca41e253c..00075039fe 100644
--- a/engines/mohawk/riven_external.cpp
+++ b/engines/mohawk/riven_external.cpp
@@ -2611,7 +2611,7 @@ void RivenExternal::xt7600_setupmarbles(uint16 argc, uint16 *argv) {
 			// (Nothing to draw here)
 		} else {
 			// The marble is on the grid and the waffle is up
-			int marbleX = (int)round(getMarbleX(var) * yAdjusts[getMarbleY(var)] + xPosOffsets[getMarbleY(var)]);
+			int marbleX = (int)floor(getMarbleX(var) * yAdjusts[getMarbleY(var)] + xPosOffsets[getMarbleY(var)] + 0.5);
 			int marbleY = yPosOffsets[getMarbleY(var)];
 			_vm->_gfx->copyImageToScreen(baseBitmapId + i, marbleX, marbleY, marbleX + kSmallMarbleWidth, marbleY + kSmallMarbleHeight);
 		}