rng.range, rng.float have now reversable parameters

git-svn-id: http://svn.net-core.org/repos/t-engine4@3554 51575b47-30f0-44d4-a5cc-537603b46e54

game/engines/default/engine/dialogs/ShowPickupFloor.lua

@@ -80,6 +80,7 @@ function _M:used()
 		game:unregisterDialog(self)
 		return false
 	end
+	self:select(self.c_list.list[self.c_list.sel])
 	return true
 end
 

game/modules/tome/class/Player.lua

@@ -681,7 +681,6 @@ function _M:playerPickup()
 		local titleupdator = self:getEncumberTitleUpdator("Pickup")
 		local d d = self:showPickupFloor(titleupdator(), nil, function(o, item)
 			self:pickupFloor(item, true)
-			d:select(d.c_list.list[d.c_list.sel])
 			self.changed = true
 			d:updateTitle(titleupdator())
 			d:used()

src/core_lua.c

@@ -1936,7 +1936,10 @@ static int rng_float(lua_State *L)
 {
 	float min = luaL_checknumber(L, 1);
 	float max = luaL_checknumber(L, 2);
-	lua_pushnumber(L, genrand_real(min, max));
+	if (min < max)
+		lua_pushnumber(L, genrand_real(min, max));
+	else
+		lua_pushnumber(L, genrand_real(max, min));
 	return 1;
 }
 
@@ -1955,8 +1958,16 @@ static int rng_range(lua_State *L)
 {
 	int x = luaL_checknumber(L, 1);
 	int y = luaL_checknumber(L, 2);
-	int res = x + rand_div(1 + y - x);
-	lua_pushnumber(L, res);
+	if (x < y)
+	{
+		int res = x + rand_div(1 + y - x);
+		lua_pushnumber(L, res);
+	}
+	else
+	{
+		int res = y + rand_div(1 + x - y);
+		lua_pushnumber(L, res);
+	}
 	return 1;
 }
 
@@ -1983,8 +1994,16 @@ static int rng_call(lua_State *L)
 	if (lua_isnumber(L, 2))
 	{
 		int y = luaL_checknumber(L, 2);
-		int res = x + rand_div(1 + y - x);
-		lua_pushnumber(L, res);
+		if (x < y)
+		{
+			int res = x + rand_div(1 + y - x);
+			lua_pushnumber(L, res);
+		}
+		else
+		{
+			int res = y + rand_div(1 + x - y);
+			lua_pushnumber(L, res);
+		}
 	}
 	else
 	{