From: Holger Schemel <holger.schemel@virtion.de>
Date: Thu, 22 Aug 2024 17:28:28 +0000 (+0200)
Subject: added functions for scanned/non-scanned BD elements (not used yet)
X-Git-Tag: 4.4.0.0-test-4~300
X-Git-Url: https://git.artsoft.org/?a=commitdiff_plain;h=44b8ddd534b959221831369c7c834e03cd38d5cc;p=rocksndiamonds.git

added functions for scanned/non-scanned BD elements (not used yet)
---

diff --git a/src/game_bd/bd_caveengine.c b/src/game_bd/bd_caveengine.c
index 1b743c5a..6ec87a39 100644
--- a/src/game_bd/bd_caveengine.c
+++ b/src/game_bd/bd_caveengine.c
@@ -516,6 +516,30 @@ static inline boolean moved_by_conveyor_bottom_dir(const GdCave *cave, const int
   return (gd_element_properties[get_dir(cave, x, y, dir) & O_MASK].properties & P_MOVED_BY_CONVEYOR_BOTTOM) != 0;
 }
 
+// returns true, if the given element is scanned
+boolean is_scanned_element(GdElement e)
+{
+  return (gd_element_properties[e].properties & P_SCANNED) != 0;
+}
+
+// This function converts an element to its scanned pair.
+GdElement scanned_pair(GdElement of_what)
+{
+  if (gd_element_properties[of_what].properties & P_SCANNED) // already scanned?
+    return of_what;
+
+  return gd_element_properties[of_what].pair;
+}
+
+// This function converts an element to its non-scanned pair.
+GdElement non_scanned_pair(GdElement of_what)
+{
+  if (!(gd_element_properties[of_what].properties & P_SCANNED)) // already non-scanned?
+    return of_what;
+
+  return gd_element_properties[of_what].pair;
+}
+
 static inline boolean is_scanned_dir(const GdCave *cave, const int x, const int y,
 				     const GdDirection dir)
 {
diff --git a/src/game_bd/bd_caveengine.h b/src/game_bd/bd_caveengine.h
index b4c44f5b..073b8531 100644
--- a/src/game_bd/bd_caveengine.h
+++ b/src/game_bd/bd_caveengine.h
@@ -21,6 +21,9 @@
 
 
 // the game itself
+boolean is_scanned_element(GdElement e);
+GdElement scanned_pair(GdElement of_what);
+GdElement non_scanned_pair(GdElement of_what);
 boolean is_player(const GdCave *cave, const int x, const int y);
 boolean can_be_pushed_dir(const GdCave *cave, const int x, const int y, const GdDirection dir);
 GdDirection gd_direction_from_keypress(boolean up, boolean down, boolean left, boolean right);