Backed out changeset 6c0cf6b9eff8. Scripters should be prepared for nil and pretending the gear exists would cause more pain 0.9.24
authorWuzzy <Wuzzy2@mail.ru>
Wed, 22 Aug 2018 00:40:11 +0200
branch0.9.24
changeset 13693 076b7d23fab8
parent 13688 6c0cf6b9eff8
child 13695 09757d5aead3
Backed out changeset 6c0cf6b9eff8. Scripters should be prepared for nil and pretending the gear exists would cause more pain
hedgewars/uScript.pas
--- a/hedgewars/uScript.pas	Tue Aug 21 15:26:29 2018 -0400
+++ b/hedgewars/uScript.pas	Wed Aug 22 00:40:11 2018 +0200
@@ -862,10 +862,10 @@
                 end;
             end
             else
-                lua_pushnumber(L,0);
+                lua_pushnil(L);
         end
     else
-        lua_pushnumber(L,0); // return value on stack (nil)
+        lua_pushnil(L); // return value on stack (nil)
     lc_addvisualgear:= 1; // 1 return value
 end;
 
@@ -904,7 +904,7 @@
 function lc_getvisualgearvalues(L : Plua_State) : LongInt; Cdecl;
 var vg: PVisualGear;
 begin
-    if not(cOnlyStats) and (Trunc(lua_tonumber(L, 1)) > 0) and CheckLuaParamCount(L, 1, 'GetVisualGearValues', 'vgUid') then
+    if not(cOnlyStats) and CheckLuaParamCount(L, 1, 'GetVisualGearValues', 'vgUid') then
         begin
         vg:= VisualGearByUID(Trunc(lua_tonumber(L, 1)));
         if vg <> nil then
@@ -922,14 +922,14 @@
             end
         else
             begin
-            lua_pushnumber(L, 0); lua_pushnumber(L, 0); lua_pushnumber(L, 0); lua_pushnumber(L, 0); lua_pushnumber(L, 0);
-            lua_pushnumber(L, 0); lua_pushnumber(L, 0); lua_pushnumber(L, 0); lua_pushnumber(L, 0); lua_pushnumber(L, 0);
+            lua_pushnil(L); lua_pushnil(L); lua_pushnil(L); lua_pushnil(L); lua_pushnil(L);
+            lua_pushnil(L); lua_pushnil(L); lua_pushnil(L); lua_pushnil(L); lua_pushnil(L);
             end
         end
     else
         begin
-        lua_pushnumber(L, 0); lua_pushnumber(L, 0); lua_pushnumber(L, 0); lua_pushnumber(L, 0); lua_pushnumber(L, 0);
-        lua_pushnumber(L, 0); lua_pushnumber(L, 0); lua_pushnumber(L, 0); lua_pushnumber(L, 0); lua_pushnumber(L, 0);
+        lua_pushnil(L); lua_pushnil(L); lua_pushnil(L); lua_pushnil(L); lua_pushnil(L);
+        lua_pushnil(L); lua_pushnil(L); lua_pushnil(L); lua_pushnil(L); lua_pushnil(L);
         end;
     lc_getvisualgearvalues:= 10
 end;
@@ -938,7 +938,7 @@
 var vg : PVisualGear;
 begin
     lc_setvisualgearvalues:= 0;
-    if cOnlyStats or (Trunc(lua_tonumber(L, 1)) = 0) then exit;
+	if cOnlyStats then exit;
 // Param count can be 1-11 at present
 //    if CheckLuaParamCount(L, 11, 'SetVisualGearValues', 'vgUid, X, Y, dX, dY, Angle, Frame, FrameTicks, State, Timer, Tint') then
 //        begin