From 95c7690a40352e5cc73c7e313ffd5c487df48de7 Mon Sep 17 00:00:00 2001
From: Nev3r <apophycens@gmail.com>
Date: Wed, 15 Apr 2020 10:16:49 +0200
Subject: [PATCH] Remove P_FindSpecialLineFromTag()

---
 src/lua_baselib.c | 12 ------------
 src/p_spec.c      | 32 --------------------------------
 src/p_spec.h      |  2 --
 3 files changed, 46 deletions(-)

diff --git a/src/lua_baselib.c b/src/lua_baselib.c
index 48a503828..884588160 100644
--- a/src/lua_baselib.c
+++ b/src/lua_baselib.c
@@ -1915,17 +1915,6 @@ static int lib_pFindHighestCeilingSurrounding(lua_State *L)
 	return 1;
 }
 
-static int lib_pFindSpecialLineFromTag(lua_State *L)
-{
-	INT16 special = (INT16)luaL_checkinteger(L, 1);
-	INT16 line = (INT16)luaL_checkinteger(L, 2);
-	INT32 start = (INT32)luaL_optinteger(L, 3, -1);
-	NOHUD
-	INLEVEL
-	lua_pushinteger(L, P_FindSpecialLineFromTag(special, line, start));
-	return 1;
-}
-
 static int lib_pSwitchWeather(lua_State *L)
 {
 	INT32 weathernum = (INT32)luaL_checkinteger(L, 1);
@@ -3213,7 +3202,6 @@ static luaL_Reg lib[] = {
 	{"P_FindNextLowestFloor",lib_pFindNextLowestFloor},
 	{"P_FindLowestCeilingSurrounding",lib_pFindLowestCeilingSurrounding},
 	{"P_FindHighestCeilingSurrounding",lib_pFindHighestCeilingSurrounding},
-	{"P_FindSpecialLineFromTag",lib_pFindSpecialLineFromTag},
 	{"P_SwitchWeather",lib_pSwitchWeather},
 	{"P_LinedefExecute",lib_pLinedefExecute},
 	{"P_SpawnLightningFlash",lib_pSpawnLightningFlash},
diff --git a/src/p_spec.c b/src/p_spec.c
index 1977e7a89..2e8f1b685 100644
--- a/src/p_spec.c
+++ b/src/p_spec.c
@@ -988,38 +988,6 @@ static sector_t *P_FindModelCeilingSector(fixed_t ceildestheight, INT32 secnum)
 }
 #endif
 
-//
-// P_FindSpecialLineFromTag
-//
-INT32 P_FindSpecialLineFromTag(INT16 special, INT16 tag, INT32 start)
-{
-	if (tag == -1)
-	{
-		start++;
-
-		// This redundant check stops the compiler from complaining about function expansion
-		// elsewhere for some reason and everything is awful
-		if (start >= (INT32)numlines)
-			return -1;
-
-		while (start < (INT32)numlines && lines[start].special != special)
-			start++;
-
-		if (start >= (INT32)numlines)
-			return -1;
-
-		return start;
-	}
-	else
-	{
-		start = start >= 0 ? lines[start].nexttag :
-			lines[(unsigned)tag % numlines].firsttag;
-		while (start >= 0 && (lines[start].tag != tag || lines[start].special != special))
-			start = lines[start].nexttag;
-		return start;
-	}
-}
-
 // haleyjd: temporary define
 #ifdef POLYOBJECTS
 
diff --git a/src/p_spec.h b/src/p_spec.h
index 271c04c08..1e9ff1c41 100644
--- a/src/p_spec.h
+++ b/src/p_spec.h
@@ -55,8 +55,6 @@ fixed_t P_FindNextLowestFloor(sector_t *sec, fixed_t currentheight);
 fixed_t P_FindLowestCeilingSurrounding(sector_t *sec);
 fixed_t P_FindHighestCeilingSurrounding(sector_t *sec);
 
-INT32 P_FindSpecialLineFromTag(INT16 special, INT16 tag, INT32 start);
-
 INT32 P_FindMinSurroundingLight(sector_t *sector, INT32 max);
 
 void P_SetupSignExit(player_t *player);