diff --git a/Source/drlg_l1.cpp b/Source/drlg_l1.cpp
index e06fb8cb0..e8aa73b40 100644
--- a/Source/drlg_l1.cpp
+++ b/Source/drlg_l1.cpp
@@ -1952,23 +1952,6 @@ void FillChambers()
 	}
 }
 
-void FloodTransparancyValues()
-{
-	int yy = 16;
-	uint8_t tileID = 13;
-	for (int j = 0; j < DMAXY; j++) {
-		int xx = 16;
-		for (int i = 0; i < DMAXX; i++) {
-			if (dungeon[i][j] == tileID && dTransVal[xx][yy] == 0) {
-				FindTransparencyValues(tileID, i, j, xx, yy, 0);
-				TransVal++;
-			}
-			xx += 2;
-		}
-		yy += 2;
-	}
-}
-
 void FixTransparency()
 {
 	int yy = 16;
@@ -2215,7 +2198,7 @@ void GenerateLevel(lvl_entry entry)
 		FixTilesPatterns();
 		AddWall();
 		ClearFlags();
-		FloodTransparancyValues();
+		FloodTransparencyValues(13);
 
 		doneflag = true;
 
diff --git a/Source/drlg_l2.cpp b/Source/drlg_l2.cpp
index 83906d521..276609c41 100644
--- a/Source/drlg_l2.cpp
+++ b/Source/drlg_l2.cpp
@@ -2762,23 +2762,6 @@ bool CreateDungeon()
 	return true;
 }
 
-void FloodTransparancyValues()
-{
-	int yy = 16;
-	uint8_t tileID = 3;
-	for (int j = 0; j < DMAXY; j++) {
-		int xx = 16;
-		for (int i = 0; i < DMAXX; i++) {
-			if (dungeon[i][j] == tileID && dTransVal[xx][yy] == 0) {
-				FindTransparencyValues(tileID, i, j, xx, yy, 0);
-				TransVal++;
-			}
-			xx += 2;
-		}
-		yy += 2;
-	}
-}
-
 void FixTransparency()
 {
 	int yy = 16;
@@ -2932,7 +2915,7 @@ void GenerateLevel(lvl_entry entry)
 		if (setloadflag) {
 			SetRoom(nSx1, nSy1);
 		}
-		FloodTransparancyValues();
+		FloodTransparencyValues(3);
 		FixTransparency();
 		if (entry == ENTRY_MAIN) {
 			doneflag = PlaceMiniSet(USTAIRS, 1, 1, -1, -1, true);
diff --git a/Source/drlg_l4.cpp b/Source/drlg_l4.cpp
index aff347fc7..a7471fe3c 100644
--- a/Source/drlg_l4.cpp
+++ b/Source/drlg_l4.cpp
@@ -1190,23 +1190,6 @@ void LoadDiabQuads(bool preflag)
 #pragma GCC optimize("O0")
 #endif
 
-void FloodTransparancyValues()
-{
-	int yy = 16;
-	uint8_t tileID = 6;
-	for (int j = 0; j < DMAXY; j++) {
-		int xx = 16;
-		for (int i = 0; i < DMAXX; i++) {
-			if (dungeon[i][j] == tileID && dTransVal[xx][yy] == 0) {
-				FindTransparencyValues(tileID, i, j, xx, yy, 0);
-				TransVal++;
-			}
-			xx += 2;
-		}
-		yy += 2;
-	}
-}
-
 #if defined(__3DS__)
 #pragma GCC pop_options
 #endif
@@ -1350,7 +1333,7 @@ void GenerateLevel(lvl_entry entry)
 			}
 		}
 		AddWall();
-		FloodTransparancyValues();
+		FloodTransparencyValues(6);
 		FixTransparency();
 		if (setloadflag) {
 			SetSetPiecesRoom(SP4x1, SP4y1);
diff --git a/Source/gendung.cpp b/Source/gendung.cpp
index 357616a61..b392af35c 100644
--- a/Source/gendung.cpp
+++ b/Source/gendung.cpp
@@ -269,6 +269,54 @@ void CreateThemeRoom(int themeIndex)
 	}
 }
 
+void FindTransparencyValues(int i, int j, int x, int y, int d, uint8_t floorID)
+{
+	if (dTransVal[x][y] != 0 || dungeon[i][j] != floorID) {
+		if (d == 1) {
+			dTransVal[x][y] = TransVal;
+			dTransVal[x][y + 1] = TransVal;
+		}
+		if (d == 2) {
+			dTransVal[x + 1][y] = TransVal;
+			dTransVal[x + 1][y + 1] = TransVal;
+		}
+		if (d == 3) {
+			dTransVal[x][y] = TransVal;
+			dTransVal[x + 1][y] = TransVal;
+		}
+		if (d == 4) {
+			dTransVal[x][y + 1] = TransVal;
+			dTransVal[x + 1][y + 1] = TransVal;
+		}
+		if (d == 5) {
+			dTransVal[x + 1][y + 1] = TransVal;
+		}
+		if (d == 6) {
+			dTransVal[x][y + 1] = TransVal;
+		}
+		if (d == 7) {
+			dTransVal[x + 1][y] = TransVal;
+		}
+		if (d == 8) {
+			dTransVal[x][y] = TransVal;
+		}
+		return;
+	}
+
+	dTransVal[x][y] = TransVal;
+	dTransVal[x + 1][y] = TransVal;
+	dTransVal[x][y + 1] = TransVal;
+	dTransVal[x + 1][y + 1] = TransVal;
+	FindTransparencyValues(i + 1, j, x + 2, y, 1, floorID);
+	FindTransparencyValues(i - 1, j, x - 2, y, 2, floorID);
+	FindTransparencyValues(i, j + 1, x, y + 2, 3, floorID);
+	FindTransparencyValues(i, j - 1, x, y - 2, 4, floorID);
+	FindTransparencyValues(i - 1, j - 1, x - 2, y - 2, 5, floorID);
+	FindTransparencyValues(i + 1, j - 1, x + 2, y - 2, 6, floorID);
+	FindTransparencyValues(i - 1, j + 1, x - 2, y + 2, 7, floorID);
+	FindTransparencyValues(i + 1, j + 1, x + 2, y + 2, 8, floorID);
+}
+
 } // namespace
 
 void FillSolidBlockTbls()
@@ -549,52 +597,21 @@ void InitLevels()
 	setlevel = false;
 }
 
-void FindTransparencyValues(uint8_t tileID, int i, int j, int x, int y, int d)
+void FloodTransparencyValues(uint8_t floorID)
 {
-	if (dTransVal[x][y] != 0 || dungeon[i][j] != tileID) {
-		if (d == 1) {
-			dTransVal[x][y] = TransVal;
-			dTransVal[x][y + 1] = TransVal;
-		}
-		if (d == 2) {
-			dTransVal[x + 1][y] = TransVal;
-			dTransVal[x + 1][y + 1] = TransVal;
-		}
-		if (d == 3) {
-			dTransVal[x][y] = TransVal;
-			dTransVal[x + 1][y] = TransVal;
-		}
-		if (d == 4) {
-			dTransVal[x][y + 1] = TransVal;
-			dTransVal[x + 1][y + 1] = TransVal;
-		}
-		if (d == 5) {
-			dTransVal[x + 1][y + 1] = TransVal;
-		}
-		if (d == 6) {
-			dTransVal[x][y + 1] = TransVal;
-		}
-		if (d == 7) {
-			dTransVal[x + 1][y] = TransVal;
-		}
-		if (d == 8) {
-			dTransVal[x][y] = TransVal;
+	int yy = 16;
+	for (int j = 0; j < DMAXY; j++) {
+		int xx = 16;
+		for (int i = 0; i < DMAXX; i++) {
+			if (dungeon[i][j] == floorID && dTransVal[xx][yy] == 0) {
+				FindTransparencyValues(i, j, xx, yy, 0, floorID);
+				TransVal++;
+			}
+			xx += 2;
 		}
-		return;
+		yy += 2;
 	}
-
-	dTransVal[x][y] = TransVal;
-	dTransVal[x + 1][y] = TransVal;
-	dTransVal[x][y + 1] = TransVal;
-	dTransVal[x + 1][y + 1] = TransVal;
-	FindTransparencyValues(tileID, i + 1, j, x + 2, y, 1);
-	FindTransparencyValues(tileID, i - 1, j, x - 2, y, 2);
-	FindTransparencyValues(tileID, i, j + 1, x, y + 2, 3);
-	FindTransparencyValues(tileID, i, j - 1, x, y - 2, 4);
-	FindTransparencyValues(tileID, i - 1, j - 1, x - 2, y - 2, 5);
-	FindTransparencyValues(tileID, i + 1, j - 1, x + 2, y - 2, 6);
-	FindTransparencyValues(tileID, i - 1, j + 1, x - 2, y + 2, 7);
-	FindTransparencyValues(tileID, i + 1, j + 1, x + 2, y + 2, 8);
 }
 
+
 } // namespace devilution
diff --git a/Source/gendung.h b/Source/gendung.h
index f23561f47..3b0d39786 100644
--- a/Source/gendung.h
+++ b/Source/gendung.h
@@ -247,6 +247,6 @@ void DRLG_LPass3(int lv);
 void DRLG_Init_Globals();
 bool SkipThemeRoom(int x, int y);
 void InitLevels();
-void FindTransparencyValues(uint8_t tileID, int i, int j, int x, int y, int d);
+void FloodTransparencyValues(uint8_t floorID);
 
 } // namespace devilution