fix knockback

git-svn-id: http://svn.net-core.org/repos/t-engine4@4436 51575b47-30f0-44d4-a5cc-537603b46e54

game/engines/default/engine/utils.lua

@@ -1087,7 +1087,7 @@ function core.fov.line(sx, sy, tx, ty, block, start_at_end)
 		function(_, x, y)
 			return game.level.map:checkAllEntities(x, y, what)
 		end
-	return core.fov.line_base(sx, sy, tx, ty, game.level.map.w, game.level.map.h, block)
+	return core.fov.line_base(sx, sy, tx, ty, game.level.map.w, game.level.map.h, start_at_end, block)
 end
 
 tmps = core.fov.line_base(0, 0, 0, 0, 0, 0, function(_, x, y) end)

src/fov.c

@@ -588,6 +588,7 @@ static int lua_fov_line_init(lua_State *L)
 	int dest_y = luaL_checknumber(L, 4);
 	int w = luaL_checknumber(L, 5);
 	int h = luaL_checknumber(L, 6);
+	bool start_at_end = lua_toboolean(L, 7);
 	struct lua_fov fov;
 	fov.cache_ref = LUA_NOREF;
 	fov.cache = NULL;
@@ -605,7 +606,6 @@ static int lua_fov_line_init(lua_State *L)
 */
 	fov.L = L;
 	fov.opaque_ref = luaL_ref(L, LUA_REGISTRYINDEX);
-	bool start_at_end = lua_toboolean(L, 8);
 	fov.w = w;
 	fov.h = h;