From acc54c7f2fc3747f0f88b3e7f614bd3d10c43ba2 Mon Sep 17 00:00:00 2001
From: Lukas Krickl <lukas@krickl.dev>
Date: Fri, 13 Feb 2026 08:01:25 +0100
Subject: [PATCH] mapgen: added docs for generating rooms

---
 src/defs.s   |  1 +
 src/mapgen.s | 19 ++++++++++++++-----
 2 files changed, 15 insertions(+), 5 deletions(-)

diff --git a/src/defs.s b/src/defs.s
index 07e1f17..afa9e44 100644
--- a/src/defs.s
+++ b/src/defs.s
@@ -38,6 +38,7 @@
 #define MAP_W 32
 #define MAP_H 32
 #define MAP_TILES (MAP_W * MAP_H)
+#define MAP_SECTION_SIZE 8
 
 #define RENDER_BUF_W 20
 #define RENDER_BUF_H 14
diff --git a/src/mapgen.s b/src/mapgen.s
index 71d9dbf..4e0d3dc 100644
--- a/src/mapgen.s
+++ b/src/mapgen.s
@@ -52,10 +52,7 @@ map_generate:
 	
 	; 3) make rooms
 
-	; TODO: this is a test room
-	ld hl, mapgen_tiles+1+MAP_W
-	ld bc, 0x0505 ; 5x5
-	call mapgen_mak_room
+	call mapgen_make_rooms
 	
 
 	; cleanup) finally
@@ -71,6 +68,18 @@ map_generate:
 	ld [mapgen_game_seed+1], a
 	ld [srand+1], a
 	ret
+
+	; generates all rooms
+	; for each section of the map
+	; the map is split into MAP_SECTION_SIZExMAP_SECTION_SIZE
+	; sections (e.g. 4x4 sections of 8x8 tiles)
+	; rooms are placed in each section and then linked up using hallways
+mapgen_make_rooms:
+	; TODO: this is a test room
+	ld hl, mapgen_tiles+1+MAP_W
+	ld bc, 0x0505 ; 5x5
+	call mapgen_make_room
+	ret
 	
 	; generates a single rectanglular room
 	; the caller must ensutre hl has enough tiles in 
@@ -79,7 +88,7 @@ map_generate:
 	; inputs:
 	;		hl: start position in tile map
 	; 	b/c: height/width of room
-mapgen_mak_room:
+mapgen_make_room:
 	ld de, MAP_W
 @draw_row:
 		; save original hl
-- 
2.30.2