From 00ff4083d21c72cde5062243f4a0e99b9a729694 Mon Sep 17 00:00:00 2001
From: "alexey.lysiuk" <alexey.lysiuk@gmail.com>
Date: Sun, 27 Oct 2019 16:36:59 +0200
Subject: [PATCH] - extended level post-processing with thing IDs

---
 src/maploader/maploader.cpp                  | 23 ++++++++++++++++++++
 wadsrc/static/zscript/level_postprocessor.zs |  3 +++
 2 files changed, 26 insertions(+)

diff --git a/src/maploader/maploader.cpp b/src/maploader/maploader.cpp
index 279f331e1e..c7524f43f7 100644
--- a/src/maploader/maploader.cpp
+++ b/src/maploader/maploader.cpp
@@ -3599,6 +3599,29 @@ DEFINE_ACTION_FUNCTION(DLevelPostProcessor, SetThingArgument)
 	return 0;
 }
 
+DEFINE_ACTION_FUNCTION(DLevelPostProcessor, GetThingID)
+{
+	PARAM_SELF_PROLOGUE(DLevelPostProcessor);
+	PARAM_UINT(thing);
+
+	const int id = thing < self->loader->MapThingsConverted.Size()
+		? self->loader->MapThingsConverted[thing].thingid : 0;
+	ACTION_RETURN_INT(id);
+}
+
+DEFINE_ACTION_FUNCTION(DLevelPostProcessor, SetThingID)
+{
+	PARAM_SELF_PROLOGUE(DLevelPostProcessor);
+	PARAM_UINT(thing);
+	PARAM_INT(id);
+
+	if (thing < self->loader->MapThingsConverted.Size())
+	{
+		self->loader->MapThingsConverted[thing].thingid = id;
+	}
+	return 0;
+}
+
 DEFINE_ACTION_FUNCTION(DLevelPostProcessor, SetVertex)
 {
 	PARAM_SELF_PROLOGUE(DLevelPostProcessor);
diff --git a/wadsrc/static/zscript/level_postprocessor.zs b/wadsrc/static/zscript/level_postprocessor.zs
index 29a7473104..e1f05bec73 100644
--- a/wadsrc/static/zscript/level_postprocessor.zs
+++ b/wadsrc/static/zscript/level_postprocessor.zs
@@ -35,6 +35,9 @@ class LevelPostProcessor native play
 	protected native uint GetThingFlags(uint thing);
 	protected native void SetThingFlags(uint thing, uint flags);
 
+	protected native int GetThingID(uint thing);
+	protected native void SetThingID(uint thing, int id);
+
 	protected native int GetThingSpecial(uint thing);
 	protected native void SetThingSpecial(uint thing, int special);