From 41a7f22cb3907142b8ec196fcbdbd53e80c722a7 Mon Sep 17 00:00:00 2001
From: Mergul <wismerchil@interia.eu>
Date: Sat, 29 Sep 2018 11:53:22 +0200
Subject: [PATCH] -fixed optional components issue

---
 source/ecs/manager.d | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/source/ecs/manager.d b/source/ecs/manager.d
index 31334b3..576874d 100644
--- a/source/ecs/manager.d
+++ b/source/ecs/manager.d
@@ -150,8 +150,8 @@ class EntityManager
                     if (isPointer!param)
                     {
                         ret ~= "PointerTarget!(types[" ~ i.to!string
-                            ~ "])[] opt_array" ~ opt.to!string ~ ";";
-                        ret ~= "if(info.deltas[types[" ~ i.to!string ~ "].component_id] != ushort.max)opt_array"
+                            ~ "])[] opt_array" ~ opt.to!string ~ " = null;";
+                        ret ~= "if(info.deltas[types[" ~ i.to!string ~ "].component_id] != 0)opt_array"
                             ~ opt.to!string ~ "
                             = (cast(types[" ~ i.to!string ~ "])(cast(void*)block + info.deltas[types["
                             ~ i.to!string ~ "].component_id]))[0..block.entities_count];";
@@ -266,7 +266,7 @@ class EntityManager
                             foreach (i, ref pointer; optional_pointers)
                             {
                                 uint ind = cast(uint)(i + pointers.length);
-                                if (data.deltas[ind] != uint.max)
+                                if (data.deltas[ind] != 0)
                                     pointer = data_pointer + data.deltas[ind];
                                 else
                                     pointer = null;