From b97478c80ae15e2d60e5a3d5bfef425f5fc3a8f0 Mon Sep 17 00:00:00 2001
From: Lukas Krickl <lukas@krickl.dev>
Date: Tue, 30 Dec 2025 07:03:41 +0100
Subject: [PATCH] map: Added stub for tile props

---
 src/defs.s     | 19 ++++++++++++++++++-
 src/levels.s   |  5 ++++-
 src/macros.inc | 19 +++++++++++++++++--
 src/map.s      | 20 ++++++++++++++++++++
 4 files changed, 59 insertions(+), 4 deletions(-)

diff --git a/src/defs.s b/src/defs.s
index 3e29dc8..5b22335 100644
--- a/src/defs.s
+++ b/src/defs.s
@@ -91,7 +91,13 @@
 	; ptr to map routine
 .de map_routine, 2
 	; ptr to actor table for this map
+	; acto tables are terminated with a 0 type actor
 .de map_acts, 2
+	; ptr to tile props
+	; tile props are modifiers that are applied to tiles after 
+	; the load takes place
+	; the map_tp list is terminated by a 0 type
+.de map_tile_props, 2
   ; pointers to tile banks to be loaded 
   ; maps to map property tile_bank0, tile_bank1, tile_bank2, tile_bank3
   ; note that tile_bank1 and tile_bank2 are 128 bytes each
@@ -102,10 +108,21 @@
 .de map_tiles, MAP_W * MAP_H
 .de map_size, 0
 
+	; map tile props struct
+.se 0
+.de map_tp_type, 1
+.de map_tp_y, 1
+.de map_tp_x, 1
+.de map_tp_flags0, 1
+.de map_tp_flags1, 1
+.de map_tp_p0, 1
+.de map_tp_size, 0
+
 	; tile type enum
 .se 0
 .de TT_EMPTY, 1
-.de TT_WALL, 1
+.de TT_OPEN, 1
+.de TT_LOCKED, 1
 
 	; tile flags0
 .se 1
diff --git a/src/levels.s b/src/levels.s
index cc723b4..25da458 100644
--- a/src/levels.s
+++ b/src/levels.s
@@ -9,7 +9,7 @@
 	; where each tile has values and its current state. The map can be drawn from this.
 
 l1:
-	mapdef MAP_F_DO_FULL_REDRAW, map_r_nop, l1_acts, tile_banks_default 
+	mapdef MAP_F_DO_FULL_REDRAW, map_r_nop, l1_acts, l1_tile_props, tile_banks_default 
 #include "l1.inc"
 	
 	; l1 actor table
@@ -18,6 +18,9 @@ l1_acts:
 	actdef ACT_T_BAT, 0, 0, 2, 2, 1, ITEM_NONE, ITEM_NONE, ITEM_NONE, attr_bat
 	.db 0 ; terminate
 	
+l1_tile_props:
+	maptpdef TT_LOCKED, 1, 0, 0, 0, 0
+	.db 0 ; terminate
 
 tile_banks_default:
 	dw bank8000
diff --git a/src/macros.inc b/src/macros.inc
index d587a13..ed4979b 100644
--- a/src/macros.inc
+++ b/src/macros.inc
@@ -155,12 +155,27 @@ $1:
 	;		$1: flags
 	;		$2: map routine
 	;		$3: actors
-	;		$4: tile bank table
+	;		$4: map tile props
+	;		$5: tile bank table
 #macro mapdef
 	.db $1
 	dw $2
 	dw $3
 	dw $4
+	dw $5
+#endmacro
+
+	; define a map tile prop entry
+	; inputs:
+	;		$1: type
+	;		$2: y
+	;		$3: x
+	;		$4: flags0
+	;		$5: flags1
+	;		$6: p0
+#macro maptpdef
+	.db $1
+	.db $2
 #endmacro
 	
 	; define a tile
@@ -169,7 +184,7 @@ $1:
 	;		$2: flags
 	;		$3: p0
 #macro tiledef
-	.db $1, $2 
+	.db $1, $2, 0 
 	; t_actor
 	.db 0, 0
 	; t_prop
diff --git a/src/map.s b/src/map.s
index bbb1930..f1a7530 100644
--- a/src/map.s
+++ b/src/map.s
@@ -63,6 +63,17 @@ map_settings_load:
 	ld h, [hl]
 	ld l, a
 	call act_table_load
+
+	pop de
+	
+	; load tile props
+	ld hl, map_tile_props
+	add hl, de
+	ld a, [hl+]
+	ld h, [hl]
+	ld l, a
+	call map_load_tile_props
+	push de
 	
 	; init the player
 	ld de, player
@@ -71,6 +82,15 @@ map_settings_load:
 	pop de
 	ret
 	
+	; applies tile props to a map
+	; requires tiles to be loaded
+	; applies tile props to all tiles until 
+	; type 0 is read
+	; inputs:
+	;		hl: tile prop ptr
+map_load_tile_props:
+	ret
+	
 	; loads a tile buffer
 	; tile buffers from maped only contain tile flags 
 	; into the tile buffer
-- 
2.30.2