From fc10ed3df63f610fa4c3756ae121201f3c7a79f4 Mon Sep 17 00:00:00 2001
From: Ben Lubar <ben.lubar@gmail.com>
Date: Mon, 27 Apr 2020 18:26:31 -0500
Subject: [PATCH] Implementation for df-other-vectors-type in C++. Still needs
 Lua and Ruby support.

---
 library/include/BitArray.h | 10 ++++++++++
 library/include/DataDefs.h |  1 +
 2 files changed, 11 insertions(+)

diff --git a/library/include/BitArray.h b/library/include/BitArray.h
index cfb859bd0..dfd187363 100644
--- a/library/include/BitArray.h
+++ b/library/include/BitArray.h
@@ -568,4 +568,14 @@ namespace DFHack
             root->next = link;
         }
     };
+
+    template<typename T, typename O, typename I>
+    struct DfOtherVectors
+    {
+        std::vector<I *> & operator[](O other_id)
+        {
+            auto vectors = reinterpret_cast<std::vector<I *> *>(this);
+            return vectors[other_id];
+        }
+    };
 }
diff --git a/library/include/DataDefs.h b/library/include/DataDefs.h
index fd70b7ba8..3b961df20 100644
--- a/library/include/DataDefs.h
+++ b/library/include/DataDefs.h
@@ -474,6 +474,7 @@ namespace df
     using DFHack::BitArray;
     using DFHack::DfArray;
     using DFHack::DfLinkedList;
+    using DFHack::DfOtherVectors;
 
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wdelete-non-virtual-dtor"