From: Lukas Krickl <lukas@krickl.dev>
Date: Fri, 23 Jan 2026 10:10:20 +0000 (+0100)
Subject: player: Added map redraw flag
X-Git-Url: https://git.krickl.dev/?a=commitdiff_plain;h=36d6e2b0d027f57d5619f7dd310fb3879ceafbd6;p=gbrg%2F.git

player: Added map redraw flag
---

diff --git a/src/defs.s b/src/defs.s
index e393f1a..dbc8f34 100644
--- a/src/defs.s
+++ b/src/defs.s
@@ -43,6 +43,10 @@
 #define RENDER_BUF_H 14
 #define RENDER_BUF_TILES (RENDER_BUF_W * RENDER_BUF_H)
 
+	; draw flags
+.se 1
+.de DRAW_F_REDRAW_MAP, 1
+
   ; actor type enum
 .se 0
 .de ACT_T_NULL, 1
diff --git a/src/player.s b/src/player.s
index f321b40..0e10116 100644
--- a/src/player.s
+++ b/src/player.s
@@ -82,6 +82,8 @@ player_update:
 
 	call player_handle_move
 
+	call player_need_map_redraw
+
 	ret
 
 	; draws player
@@ -262,6 +264,18 @@ player_handle_move:
 		call player_collided
 @not_down:
 	ret
+
+	; checks if a map redraw is needed
+player_need_map_redraw:
+	ld a, [draw_flags]
+	and a, DRAW_F_REDRAW_MAP
+	call nz, map_full_draw
+	
+	ld a, [draw_flags]
+	and a, ~DRAW_F_REDRAW_MAP & 0xFF
+	ld [draw_flags], a
+	
+	ret
 	
 	; code to run when player has collided
 player_collided:
@@ -301,14 +315,19 @@ player_collided:
 	ld a, TT_ROOM_END
 	ld [de], a
 	
-	call map_full_draw
+	ld a, [draw_flags]
+	or a, DRAW_F_REDRAW_MAP
+	ld [draw_flags], a
 	call player_end_turn
 	ret
 
 	; code to run when player has moved
 player_moved:
-	call map_full_draw
 	call player_end_turn
+
+	ld a, [draw_flags]
+	or a, DRAW_F_REDRAW_MAP
+	ld [draw_flags], a
 	ret
 	
 	; ends the current turn
diff --git a/src/wram.s b/src/wram.s
index 4ef3fa4..8f0dfa6 100644
--- a/src/wram.s
+++ b/src/wram.s
@@ -45,6 +45,9 @@ demo_inputs: .adv 2
 	
 	; gameplay control flags
 game_flags: .adv 1
+
+	; flags for drawing the screen
+draw_flags: .adv 1
 	
 	; if 0 == player can perform actions
 	; if 1 == all other actors can perform actions