1 files changed, 51 insertions, 47 deletions

diff --git a/engines/scumm/he/wiz_he.cpp b/engines/scumm/he/wiz_he.cpp
index 97995fb155..e4e93232dc 100644
--- a/engines/scumm/he/wiz_he.cpp
+++ b/engines/scumm/he/wiz_he.cpp
@@ -1774,58 +1774,62 @@ void Wiz::fillWizLine(const WizParameters *params) {
 			int x2 = params->box2.right;
 			int y2 = params->box2.bottom;
 
-			int dx = x2 - x1;
-			int incx = 0;
-			if (dx > 0) {
-				incx = 1;
-			} else if (dx < 0) {
-				incx = -1;
-			}
-			int dy = y2 - y1;
-			int incy = 0;
-			if (dy > 0) {
-				incy = 1;
-			} else if (dy < 0) {
-				incy = -1;
-			}
-
-			dx = ABS(x2 - x1);
-			dy = ABS(y2 - y1);
+			if (params->processFlags & kWPFThickLine) {
+				debug(0, "Unsupported ThickLine (%d, %d)", params->lineUnk1, params->lineUnk2);
+			} else {
+				int dx = x2 - x1;
+				int incx = 0;
+				if (dx > 0) {
+					incx = 1;
+				} else if (dx < 0) {
+					incx = -1;
+				}
+				int dy = y2 - y1;
+				int incy = 0;
+				if (dy > 0) {
+					incy = 1;
+				} else if (dy < 0) {
+					incy = -1;
+				}
 
-			if (imageRect.contains(x1, y1)) {
-				*(wizd + y1 * w + x1) = color;
-			}
+				dx = ABS(x2 - x1);
+				dy = ABS(y2 - y1);
 
-			if (dx >= dy) {
-				int step1_y = (dy - dx) * 2;
-				int step2_y = dy * 2;
-				int accum_y = dy * 2 - dx;
-				while (x1 != x2) {
-					if (accum_y <= 0) {
-						accum_y += step2_y;
-					} else {
-						accum_y += step1_y;
-						y1 += incy;
-					}
-					x1 += incx;
-					if (imageRect.contains(x1, y1)) {
-						*(wizd + y1 * w + x1) = color;
-					}
+				if (imageRect.contains(x1, y1)) {
+					*(wizd + y1 * w + x1) = color;
 				}
-			} else {
-				int step1_x = (dx - dy) * 2;
-				int step2_x = dx * 2;
-				int accum_x = dx * 2 - dy;
-				while (y1 != y2) {
-					if (accum_x <= 0) {
-						accum_x += step2_x;
-					} else {
-						accum_x += step1_x;
+
+				if (dx >= dy) {
+					int step1_y = (dy - dx) * 2;
+					int step2_y = dy * 2;
+					int accum_y = dy * 2 - dx;
+					while (x1 != x2) {
+						if (accum_y <= 0) {
+							accum_y += step2_y;
+						} else {
+							accum_y += step1_y;
+							y1 += incy;
+						}
 						x1 += incx;
+						if (imageRect.contains(x1, y1)) {
+							*(wizd + y1 * w + x1) = color;
+						}
 					}
-					y1 += incy;
-					if (imageRect.contains(x1, y1)) {
-						*(wizd + y1 * w + x1) = color;
+				} else {
+					int step1_x = (dx - dy) * 2;
+					int step2_x = dx * 2;
+					int accum_x = dx * 2 - dy;
+					while (y1 != y2) {
+						if (accum_x <= 0) {
+							accum_x += step2_x;
+						} else {
+							accum_x += step1_x;
+							x1 += incx;
+						}
+						y1 += incy;
+						if (imageRect.contains(x1, y1)) {
+							*(wizd + y1 * w + x1) = color;
+						}
 					}
 				}
 			}