From fcf1d56b1a239700920cd90f3bd431beed03583b Mon Sep 17 00:00:00 2001
From: MajorCooke <paul.growney22@gmail.com>
Date: Sun, 9 Aug 2015 14:06:22 -0500
Subject: [PATCH] - Added SXF_IS<TARGET/MASTER/TRACER>. - The spawned actor
 becomes the calling actor's specified pointers respectively.

---
 src/thingdef/thingdef_codeptr.cpp  | 15 +++++++++++++++
 wadsrc/static/actors/constants.txt |  3 +++
 2 files changed, 18 insertions(+)

diff --git a/src/thingdef/thingdef_codeptr.cpp b/src/thingdef/thingdef_codeptr.cpp
index 2ba5fa01a..69dd89cd0 100644
--- a/src/thingdef/thingdef_codeptr.cpp
+++ b/src/thingdef/thingdef_codeptr.cpp
@@ -1857,6 +1857,9 @@ enum SIX_Flags
 	SIXF_ORIGINATOR				= 0x00800000,
 	SIXF_TRANSFERSPRITEFRAME	= 0x01000000,
 	SIXF_TRANSFERROLL			= 0x02000000,
+	SIXF_ISTARGET				= 0x04000000,
+	SIXF_ISMASTER				= 0x08000000,
+	SIXF_ISTRACER				= 0x10000000,
 };
 
 static bool InitSpawnedItem(AActor *self, AActor *mo, int flags)
@@ -2014,6 +2017,18 @@ static bool InitSpawnedItem(AActor *self, AActor *mo, int flags)
 		mo->roll = self->roll;
 	}
 
+	if (flags & SIXF_ISTARGET)
+	{
+		self->target = mo;
+	}
+	if (flags & SIXF_ISMASTER)
+	{
+		self->master = mo;
+	}
+	if (flags & SIXF_ISTRACER)
+	{
+		self->tracer = mo;
+	}
 	return true;
 }
 
diff --git a/wadsrc/static/actors/constants.txt b/wadsrc/static/actors/constants.txt
index 1ee6c96c9..96877a266 100644
--- a/wadsrc/static/actors/constants.txt
+++ b/wadsrc/static/actors/constants.txt
@@ -74,6 +74,9 @@ const int SXF_NOPOINTERS =				1 << 22;
 const int SXF_ORIGINATOR =				1 << 23;
 const int SXF_TRANSFERSPRITEFRAME	=	1 << 24;
 const int SXF_TRANSFERROLL =			1 << 25;
+const int SXF_ISTARGET				=	1 << 26,
+const int SXF_ISMASTER				=	1 << 27,
+const int SXF_ISTRACER				=	1 << 28,
 
 // Flags for A_Chase
 const int CHF_FASTCHASE = 1;