From d7363ff87a7c3e70aa4a5a35bdca7b8435835165 Mon Sep 17 00:00:00 2001
From: MascaraSnake <jonassauer27@gmail.com>
Date: Fri, 1 May 2020 19:07:29 +0200
Subject: [PATCH] Implement linedef type that adds a raise thinker to an FOF

---
 extras/conf/udb/Includes/SRB222_linedefs.cfg | 25 ++++++++++++++++++++
 src/p_spec.c                                 | 21 ++++++++++++++++
 2 files changed, 46 insertions(+)

diff --git a/extras/conf/udb/Includes/SRB222_linedefs.cfg b/extras/conf/udb/Includes/SRB222_linedefs.cfg
index 53a82aa0a..a356a2df7 100644
--- a/extras/conf/udb/Includes/SRB222_linedefs.cfg
+++ b/extras/conf/udb/Includes/SRB222_linedefs.cfg
@@ -1916,6 +1916,31 @@ udmf
 				enum = "yesno";
 			}
 		}
+
+		260
+		{
+			title = "Add Raise Thinker";
+			prefix = "(260)";
+			arg0
+			{
+				title = "Control linedef tag";
+				type = 15;
+			}
+			arg1
+			{
+				title = "Speed";
+			}
+			arg2
+			{
+				title = "Destination height";
+			}
+			arg3
+			{
+				title = "Require spindash?";
+				type = 11;
+				enum = "noyes";
+			}
+		}
 	}
 
 	linedefexecmisc
diff --git a/src/p_spec.c b/src/p_spec.c
index 72b8ebbb4..128f84a73 100644
--- a/src/p_spec.c
+++ b/src/p_spec.c
@@ -6450,6 +6450,7 @@ void P_SpawnSpecials(boolean fromnetsave)
 		switch (lines[i].special)
 		{
 			INT32 s;
+			INT32 l;
 			size_t sec;
 			ffloortype_e ffloorflags;
 
@@ -6968,6 +6969,26 @@ void P_SpawnSpecials(boolean fromnetsave)
 					I_Error("Custom FOF (tag %d) found without a linedef back side!", lines[i].tag);
 				break;
 
+			case 260: // Add raise thinker to FOF
+				if (udmf)
+				{
+					fixed_t destheight = lines[i].args[2] << FRACBITS;
+					fixed_t startheight, topheight, bottomheight;
+
+					for (l = -1; (l = P_FindLineFromTag(lines[i].args[0], l)) >= 0 ;)
+					{
+						if (lines[l].special < 100 || lines[l].special >= 300)
+							continue;
+
+						startheight = lines[l].frontsector->ceilingheight;
+						topheight = max(startheight, destheight);
+						bottomheight = min(startheight, destheight);
+
+						P_AddRaiseThinker(lines[l].frontsector, lines[l].args[0], lines[i].args[1] << FRACBITS, topheight, bottomheight, (destheight < startheight), !!(lines[i].args[3]));
+					}
+				}
+				break;
+
 			case 300: // Linedef executor (combines with sector special 974/975) and commands
 			case 302:
 			case 303: