From 3b936892f84bfd464cd846ec49053b4402fced98 Mon Sep 17 00:00:00 2001
From: wushin <pasekei@gmail.com>
Date: Tue, 18 Nov 2014 00:17:01 -0600
Subject: Script Builtin iscollision

- Checks map.gat, X, Y for collision
---
 src/map/script-fun.cpp | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

(limited to 'src')

diff --git a/src/map/script-fun.cpp b/src/map/script-fun.cpp
index 8247a1a..781df69 100644
--- a/src/map/script-fun.cpp
+++ b/src/map/script-fun.cpp
@@ -2808,6 +2808,24 @@ void builtin_isin(ScriptState *st)
               && (str == sd->bl_m->name_));
 }
 
+/*==========================================
+ * Check whether the coords are collision
+ *------------------------------------------
+ */
+static
+void builtin_iscollision(ScriptState *st)
+{
+    int x, y;
+    MapName mapname = stringish<MapName>(ZString(conv_str(st, &AARG(0))));
+    P<map_local> m = TRY_UNWRAP(map_mapname2mapid(mapname), return);
+
+    x = conv_num(st, &AARG(1));
+    y = conv_num(st, &AARG(2));
+
+    push_int<ScriptDataInt>(st->stack,
+        bool(map_getcell(m, x, y) & MapCell::UNWALKABLE));
+}
+
 // Trigger the shop on a (hopefully) nearby shop NPC
 static
 void builtin_shop(ScriptState *st)
@@ -3024,6 +3042,7 @@ BuiltinFunction builtin_functions[] =
     BUILTIN(getsavepoint, "i"_s, '.'),
     BUILTIN(areatimer, "MxyxytE"_s, '\0'),
     BUILTIN(isin, "Mxyxy"_s, 'i'),
+    BUILTIN(iscollision, "Mxy"_s, 'i'),
     BUILTIN(shop, "s"_s, '\0'),
     BUILTIN(isdead, ""_s, 'i'),
     BUILTIN(fakenpcname, "ssi"_s, '\0'),
-- 
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