From: Lukas Krickl <lukas@krickl.dev>
Date: Wed, 19 Mar 2025 21:48:27 +0000 (+0100)
Subject: cursor: working on aborting cursor move and scroll when reaching the
X-Git-Url: https://git.krickl.dev/?a=commitdiff_plain;h=refs%2Fremotes%2Forigin%2Fscope-change;p=gbrg%2F.git

cursor: working on aborting cursor move and scroll when reaching the
edge of the map
---

diff --git a/src/macros.inc b/src/macros.inc
index 690a0c2..970075e 100644
--- a/src/macros.inc
+++ b/src/macros.inc
@@ -84,10 +84,13 @@
   ;   $1: add/sub
   ;   $2: scroll_move_y/x
   ; uses: a
+  ;   skipped if z flag is 1
 #macro cursor_adjust_scroll
+.beginscope
     ld a, [$2]
     $1 a, 1
     ld [$2], a
+.endscope
 #endmacro
 
   ; move cursor
@@ -103,3 +106,4 @@
     ld a, CURSOR_MOVE_SPEED * $3 
     ld [$1], a
 #endmacro
+
diff --git a/src/player.s b/src/player.s
index 0a4ac40..6ac76f4 100644
--- a/src/player.s
+++ b/src/player.s
@@ -61,6 +61,8 @@ handle_inputs:
   
     cursor_move_direction cursor_move_y, cursor_move_x, 1 
     
+    ld a, [cursor_y]
+    cp a, 0
     ; adjust scroll
     cursor_adjust_scroll add, scroll_move_y
 
@@ -72,6 +74,8 @@ handle_inputs:
 
     cursor_move_direction cursor_move_y, cursor_move_x, NEGATE
 
+    ld a, [cursor_y]
+    cp a, 0
     ; adjust scroll
     cursor_adjust_scroll sub, scroll_move_y
     
@@ -83,8 +87,12 @@ handle_inputs:
 
     cursor_move_direction cursor_move_x, cursor_move_y, NEGATE
 
+    ld a, [cursor_x]
+    cp a, 0
     ; adjust scroll
     cursor_adjust_scroll sub, scroll_move_x
+    
+    call z, cursor_abort_move
 
     ret
 @notleft:
@@ -94,6 +102,8 @@ handle_inputs:
 
     cursor_move_direction cursor_move_x, cursor_move_y, 1 
 
+    ld a, [cursor_x]
+    cp a, 0
     ; adjust scroll
     cursor_adjust_scroll add, scroll_move_x
 
@@ -125,3 +135,10 @@ cursor_move:
 
   pop af
   ret
+
+  ; aborts cursor move 
+  ; uses: a
+cursor_abort_move:
+  xor a, a
+  ld [cursor_move_timer], a
+  ret