From: Lukas Krickl <lukas@krickl.dev>
Date: Sun, 8 Feb 2026 13:54:01 +0000 (+0100)
Subject: mapgen: wip added mapgen stub
X-Git-Url: https://git.krickl.dev/?a=commitdiff_plain;h=8285549f4c574d2f601b1820cc3e3fc3fadb6b48;p=gbrg%2F.git

mapgen: wip added mapgen stub
---

diff --git a/TODO.md b/TODO.md
index f997e78..f780fa1 100644
--- a/TODO.md
+++ b/TODO.md
@@ -33,4 +33,5 @@
 
 # UI
 
+- move from png to ppm for images
 
diff --git a/src/map.s b/src/map.s
index 9fac297..0f16f10 100644
--- a/src/map.s
+++ b/src/map.s
@@ -580,4 +580,4 @@ map_r_nop:
 	ret
 
 
-
+#include "mapgen.s"
diff --git a/src/mapgen.s b/src/mapgen.s
new file mode 100644
index 0000000..63248a1
--- /dev/null
+++ b/src/mapgen.s
@@ -0,0 +1,10 @@
+	; generates a map
+	; inputs:
+	; map_gen_: map gen settings
+	; writes map to map buffer and map_gen_header
+map_generate:
+	; load the seed
+	
+
+	; restore old seed from rng
+	ret
diff --git a/src/wram.s b/src/wram.s
index ddbb355..d1b01be 100644
--- a/src/wram.s
+++ b/src/wram.s
@@ -115,6 +115,21 @@ tmp_x: .adv 1
 	; current map ptr
 map: .adv 2
 	
+	; map generator settings
+	
+	; the seed used for the current map
+map_gen_seed: .adv 2
+	; ptr to map gen slot flags
+	; this can be used to store previous maps states
+	; to allow the player to return
+map_gen_slot_flags: .adv 2
+
+	; the seed before loading map rng
+	; used as backup
+map_gen_old_seed: .adv 2
+	
+	; generated map header
+map_gen_header: .adv map_header_size
 	
 	; collision related data
 	; y/x positions