From 79ad7b9d9e745bb157611ca15c997995bb02f519 Mon Sep 17 00:00:00 2001
From: Adam Newgas <boris@boristhebrave.com>
Date: Sun, 14 Jul 2019 09:44:43 +0100
Subject: [PATCH] Add some comments to some tricky to understand functions.

---
 Source/drlg_l2.cpp | 2 ++
 Source/drlg_l3.cpp | 3 +++
 2 files changed, 5 insertions(+)

diff --git a/Source/drlg_l2.cpp b/Source/drlg_l2.cpp
index f290d601c..819147456 100644
--- a/Source/drlg_l2.cpp
+++ b/Source/drlg_l2.cpp
@@ -1153,6 +1153,8 @@ BOOL CreateDungeon()
 	return TRUE;
 }
 
+// Draws a random room rectangle, and then subdivides the rest of the passed in rectangle
+// into 4 pieces and recurses.
 void CreateRoom(int nX1, int nY1, int nX2, int nY2, int nRDest, int nHDir, BOOL ForceHW, int nH, int nW)
 {
 	int nAw, nAh, nRw, nRh, nRx1, nRy1, nRx2, nRy2, nHw, nHh, nHx1, nHy1, nHx2, nHy2, nRid;
diff --git a/Source/drlg_l3.cpp b/Source/drlg_l3.cpp
index 8ab1436a6..8766d5e19 100644
--- a/Source/drlg_l3.cpp
+++ b/Source/drlg_l3.cpp
@@ -1020,6 +1020,9 @@ void DRLG_L3River()
 	}
 }
 
+// Flood fills dirt and wall tiles looking for 
+// an area of at most 40 tiles and disconnected from the map edge.
+// If it finds one, converts it to lava tiles and sets lavapool to TRUE.
 void DRLG_L3Pool()
 {
 	int i, j, dunx, duny, totarea, poolchance;