From fad06d1411b1fac0c895efeae3261ef4d575b0d0 Mon Sep 17 00:00:00 2001
From: Kelly Kinkade <kelly.lynn.martin@gmail.com>
Date: Mon, 21 Oct 2024 23:38:20 -0500
Subject: [PATCH] remove DFSDL.h dependency from Graphic.h

this significantly reduces the number of compilation units that depend on DFSDL.h
---
 library/LuaApi.cpp                | 1 +
 library/include/modules/Graphic.h | 4 +++-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/library/LuaApi.cpp b/library/LuaApi.cpp
index ddea7702f3..eb639631ad 100644
--- a/library/LuaApi.cpp
+++ b/library/LuaApi.cpp
@@ -43,6 +43,7 @@ distribution.
 #include "modules/Burrows.h"
 #include "modules/Constructions.h"
 #include "modules/Designations.h"
+#include "modules/DFSDL.h"
 #include "modules/EventManager.h"
 #include "modules/Filesystem.h"
 #include "modules/Gui.h"
diff --git a/library/include/modules/Graphic.h b/library/include/modules/Graphic.h
index 22a5d49136..9fa498a7cf 100644
--- a/library/include/modules/Graphic.h
+++ b/library/include/modules/Graphic.h
@@ -33,11 +33,13 @@ distribution.
 #include <stdint.h>
 #include "Export.h"
 #include "Module.h"
-#include "DFSDL.h"
 #include <vector>
 
 namespace DFHack
 {
+    // forward declaration used here instead of including DFSDL.h to reduce inclusion loading
+    struct DFTileSurface;
+
     class DFHACK_EXPORT Graphic : public Module
     {
         public: