From b0cbc8ab2a59cd863c5c59f7593215fc1cd316a0 Mon Sep 17 00:00:00 2001
From: wolfy852 <wolfy852@hotmail.com>
Date: Wed, 2 Mar 2016 23:47:06 -0600
Subject: [PATCH 01/31] Lua slope manipulation stuff!

Warning: Incomplete. Very prone to crashing and I might not have handled some things properly. Use with caution.
---
 src/dehacked.c   |   6 ++
 src/lua_libs.h   |   1 +
 src/lua_maplib.c | 212 ++++++++++++++++++++++++++++++++++++++++++++++-
 src/p_slopes.c   |   2 +-
 src/p_slopes.h   |   1 +
 5 files changed, 220 insertions(+), 2 deletions(-)

diff --git a/src/dehacked.c b/src/dehacked.c
index d6a1881e..d8847fd3 100644
--- a/src/dehacked.c
+++ b/src/dehacked.c
@@ -7230,6 +7230,12 @@ struct {
 	{"FF_COLORMAPONLY",FF_COLORMAPONLY},       ///< Only copy the colormap, not the lightlevel
 	{"FF_GOOWATER",FF_GOOWATER},               ///< Used with ::FF_SWIMMABLE. Makes thick bouncey goop.
 
+	// Slope flags
+	{"SL_NOPHYSICS",SL_NOPHYSICS},      // Don't do momentum adjustment with this slope
+	{"SL_NODYNAMIC",SL_NODYNAMIC},      // Slope will never need to move during the level, so don't fuss with recalculating it
+	{"SL_ANCHORVERTEX",SL_ANCHORVERTEX},// Slope is using a Slope Vertex Thing to anchor its position
+	{"SL_VERTEXSLOPE",SL_VERTEXSLOPE},  // Slope is built from three Slope Vertex Things
+
 	// Angles
 	{"ANG1",ANG1>>16},
 	{"ANG2",ANG2>>16},
diff --git a/src/lua_libs.h b/src/lua_libs.h
index d19ad885..893f5668 100644
--- a/src/lua_libs.h
+++ b/src/lua_libs.h
@@ -38,6 +38,7 @@ extern lua_State *gL;
 #define META_SUBSECTOR "SUBSECTOR_T*"
 #define META_SECTOR "SECTOR_T*"
 #define META_FFLOOR "FFLOOR_T*"
+#define META_SLOPE "PSLOPE_T*"
 #define META_MAPHEADER "MAPHEADER_T*"
 
 #define META_CVAR "CONSVAR_T*"
diff --git a/src/lua_maplib.c b/src/lua_maplib.c
index 16d05dac..a6ebf1ab 100644
--- a/src/lua_maplib.c
+++ b/src/lua_maplib.c
@@ -16,6 +16,8 @@
 #include "p_local.h"
 #include "p_setup.h"
 #include "z_zone.h"
+#include "p_slopes.h"
+#include "r_main.h"
 
 #include "lua_script.h"
 #include "lua_libs.h"
@@ -37,7 +39,10 @@ enum sector_e {
 	sector_thinglist,
 	sector_heightsec,
 	sector_camsec,
-	sector_ffloors
+	sector_ffloors,
+	sector_fslope,
+	sector_cslope,
+	sector_hasslope
 };
 
 static const char *const sector_opt[] = {
@@ -53,6 +58,9 @@ static const char *const sector_opt[] = {
 	"heightsec",
 	"camsec",
 	"ffloors",
+	"f_slope",
+	"c_slope",
+	"hasslope",
 	NULL};
 
 enum subsector_e {
@@ -158,6 +166,8 @@ enum ffloor_e {
 	ffloor_toplightlevel,
 	ffloor_bottomheight,
 	ffloor_bottompic,
+	ffloor_tslope,
+	ffloor_bslope,
 	ffloor_sector,
 	ffloor_flags,
 	ffloor_master,
@@ -174,6 +184,8 @@ static const char *const ffloor_opt[] = {
 	"toplightlevel",
 	"bottomheight",
 	"bottompic",
+	"t_slope",
+	"b_slope",
 	"sector", // secnum pushed as control sector userdata
 	"flags",
 	"master", // control linedef
@@ -183,6 +195,32 @@ static const char *const ffloor_opt[] = {
 	"alpha",
 	NULL};
 
+enum slope_e {
+	slope_valid = 0,
+	slope_o,
+	slope_d,
+	slope_zdelta,
+	slope_normal,
+	slope_zangle,
+	slope_xydirection,
+	slope_sourceline,
+	slope_refpos,
+	slope_flags
+};
+
+static const char *const slope_opt[] = {
+	"valid",
+	"o",
+	"d",
+	"zdelta",
+	"normal",
+	"zangle",
+	"xydirection",
+	"sourceline",
+	"refpos",
+	"flags",
+	NULL};
+
 static const char *const array_opt[] ={"iterate",NULL};
 static const char *const valid_opt[] ={"valid",NULL};
 
@@ -330,6 +368,15 @@ static int sector_get(lua_State *L)
 		LUA_PushUserdata(L, sector->ffloors, META_FFLOOR);
 		lua_pushcclosure(L, sector_iterate, 2); // push lib_iterateFFloors and sector->ffloors as upvalues for the function
 		return 1;
+	case sector_fslope: // f_slope
+		LUA_PushUserdata(L, sector->f_slope, META_SLOPE);
+		return 1;
+	case sector_cslope: // c_slope
+		LUA_PushUserdata(L, sector->c_slope, META_SLOPE);
+		return 1;
+	case sector_hasslope: // hasslope
+		lua_pushboolean(L, sector->hasslope);
+		return 1;
 	}
 	return 0;
 }
@@ -392,6 +439,9 @@ static int sector_set(lua_State *L)
 	case sector_heightsec: // heightsec
 	case sector_camsec: // camsec
 	case sector_ffloors: // ffloors
+	case sector_fslope: // f_slope
+	case sector_cslope: // c_slope
+	case sector_hasslope: // hasslope
 	default:
 		return luaL_error(L, "sector_t field " LUA_QS " cannot be set.", sector_opt[field]);
 	case sector_floorheight: { // floorheight
@@ -1026,6 +1076,12 @@ static int ffloor_get(lua_State *L)
 		lua_pushlstring(L, levelflat->name, 8);
 		return 1;
 	}
+	case ffloor_tslope:
+		LUA_PushUserdata(L, *ffloor->t_slope, META_SLOPE);
+		return 1;
+	case ffloor_bslope:
+		LUA_PushUserdata(L, *ffloor->b_slope, META_SLOPE);
+		return 1;
 	case ffloor_sector:
 		LUA_PushUserdata(L, &sectors[ffloor->secnum], META_SECTOR);
 		return 1;
@@ -1065,6 +1121,8 @@ static int ffloor_set(lua_State *L)
 	switch(field)
 	{
 	case ffloor_valid: // valid
+	case ffloor_tslope: // t_slope
+	case ffloor_bslope: // b_slope
 	case ffloor_sector: // sector
 	case ffloor_master: // master
 	case ffloor_target: // target
@@ -1125,6 +1183,150 @@ static int ffloor_set(lua_State *L)
 	return 0;
 }
 
+static int slope_get(lua_State *L)
+{
+	pslope_t *slope = *((pslope_t **)luaL_checkudata(L, 1, META_SLOPE));
+	enum slope_e field = luaL_checkoption(L, 2, slope_opt[0], slope_opt);
+
+	if (!slope)
+	{
+		if (field == slope_valid) {
+			lua_pushboolean(L, 0);
+			return 1;
+		}
+		return luaL_error(L, "accessed pslope_t doesn't exist anymore.");
+	}
+
+	switch(field)
+	{
+	case slope_valid: // valid
+		lua_pushboolean(L, 1);
+		return 1;
+	case slope_o: // o
+		lua_createtable(L, 0, 3);
+		lua_pushfixed(L, slope->o.x);
+		lua_setfield(L, -2, "x");
+		lua_pushfixed(L, slope->o.y);
+		lua_setfield(L, -2, "y");
+		lua_pushfixed(L, slope->o.z);
+		lua_setfield(L, -2, "z");
+		return 1;
+	case slope_d: // d
+		lua_createtable(L, 0, 2);
+		lua_pushfixed(L, slope->o.x);
+		lua_setfield(L, -2, "x");
+		lua_pushfixed(L, slope->o.y);
+		lua_setfield(L, -2, "y");
+		return 1;
+	case slope_zdelta: // zdelta
+		lua_pushfixed(L, slope->zdelta);
+		return 1;
+	case slope_normal: // normal
+		lua_createtable(L, 0, 2);
+		lua_pushfixed(L, slope->o.x);
+		lua_setfield(L, -2, "x");
+		lua_pushfixed(L, slope->o.y);
+		lua_setfield(L, -2, "y");
+		return 1;
+	case slope_zangle: // zangle
+		lua_pushangle(L, slope->zangle);
+		return 1;
+	case slope_xydirection: // xydirection
+		lua_pushangle(L, slope->xydirection);
+		return 1;
+	case slope_sourceline: // source linedef
+		LUA_PushUserdata(L, slope->sourceline, META_LINE);
+		return 1;
+	case slope_refpos: // refpos
+		lua_pushinteger(L, slope->refpos);
+		return 1;
+	case slope_flags: // flags
+		lua_pushinteger(L, slope->flags);
+		return 1;
+	}
+	return 0;
+}
+
+static int slope_set(lua_State *L)
+{
+	pslope_t *slope = *((pslope_t **)luaL_checkudata(L, 1, META_SLOPE));
+	enum slope_e field = luaL_checkoption(L, 2, slope_opt[0], slope_opt);
+
+	if (!slope)
+		return luaL_error(L, "accessed pslope_t doesn't exist anymore.");
+
+	if (hud_running)
+		return luaL_error(L, "Do not alter pslope_t in HUD rendering code!");
+
+	switch(field) // todo: reorganize this shit
+	{
+	case slope_valid: // valid
+	case slope_sourceline: // sourceline
+	case slope_d: // d
+	case slope_flags: // flags
+	case slope_normal: // normal
+	case slope_refpos: // refpos
+	default:
+		return luaL_error(L, "pslope_t field " LUA_QS " cannot be set.", slope_opt[field]);
+	case slope_o: { // o
+		luaL_checktype(L, 3, LUA_TTABLE);
+
+		lua_getfield(L, 3, "x");
+		if (lua_isnil(L, -1))
+		{
+			lua_pop(L, 1);
+			lua_rawgeti(L, 3, 1);
+		}
+		if (!lua_isnil(L, -1))
+			slope->o.x = luaL_checkfixed(L, -1);
+		else
+			slope->o.x = 0;
+		lua_pop(L, 1);
+
+		lua_getfield(L, 3, "y");
+		if (lua_isnil(L, -1))
+		{
+			lua_pop(L, 1);
+			lua_rawgeti(L, 3, 2);
+		}
+		if (!lua_isnil(L, -1))
+			slope->o.y = luaL_checkfixed(L, -1);
+		else
+			slope->o.y = 0;
+		lua_pop(L, 1);
+
+		lua_getfield(L, 3, "z");
+		if (lua_isnil(L, -1))
+		{
+			lua_pop(L, 1);
+			lua_rawgeti(L, 3, 3);
+		}
+		if (!lua_isnil(L, -1))
+			slope->o.z = luaL_checkfixed(L, -1);
+		else
+			slope->o.z = 0;
+		lua_pop(L, 1);
+		break;
+	}
+	case slope_zdelta: { // zdelta, this is temp until i figure out wtf to do
+		slope->zdelta = luaL_checkfixed(L, 3);
+		slope->zangle = R_PointToAngle2(0, 0, FRACUNIT, slope->zdelta);
+		P_CalculateSlopeNormal(slope);
+		break;
+	}
+	case slope_zangle: // zangle
+		slope->zangle = luaL_checkangle(L, 3);
+		slope->zdelta = FINETANGENT(slope->zangle);
+		P_CalculateSlopeNormal(slope);
+		break;
+	case slope_xydirection: // xydirection
+		slope->xydirection = luaL_checkangle(L, 3);
+		P_CalculateSlopeNormal(slope);
+		break;
+	}
+	return 0;
+}
+
 static int lib_getMapheaderinfo(lua_State *L)
 {
 	// i -> mapheaderinfo[i-1]
@@ -1293,6 +1495,14 @@ int LUA_MapLib(lua_State *L)
 		lua_setfield(L, -2, "__newindex");
 	lua_pop(L, 1);
 
+	luaL_newmetatable(L, META_SLOPE);
+		lua_pushcfunction(L, slope_get);
+		lua_setfield(L, -2, "__index");
+
+		lua_pushcfunction(L, slope_set);
+		lua_setfield(L, -2, "__newindex");
+	lua_pop(L, 1);
+
 	luaL_newmetatable(L, META_MAPHEADER);
 		lua_pushcfunction(L, mapheaderinfo_get);
 		lua_setfield(L, -2, "__index");
diff --git a/src/p_slopes.c b/src/p_slopes.c
index 2d55cf19..b51b2a4d 100644
--- a/src/p_slopes.c
+++ b/src/p_slopes.c
@@ -46,7 +46,7 @@ static pslope_t *slopelist = NULL;
 static UINT16 slopecount = 0;
 
 // Calculate line normal
-static void P_CalculateSlopeNormal(pslope_t *slope) {
+void P_CalculateSlopeNormal(pslope_t *slope) {
 	slope->normal.z = FINECOSINE(slope->zangle>>ANGLETOFINESHIFT);
 	slope->normal.x = -FixedMul(FINESINE(slope->zangle>>ANGLETOFINESHIFT), slope->d.x);
 	slope->normal.y = -FixedMul(FINESINE(slope->zangle>>ANGLETOFINESHIFT), slope->d.y);
diff --git a/src/p_slopes.h b/src/p_slopes.h
index 8d82632f..7898302e 100644
--- a/src/p_slopes.h
+++ b/src/p_slopes.h
@@ -29,6 +29,7 @@
 #define P_SLOPES_H__
 
 #ifdef ESLOPE
+void P_CalculateSlopeNormal(pslope_t *slope);
 void P_ResetDynamicSlopes(void);
 void P_RunDynamicSlopes(void);
 // P_SpawnSlope_Line

From b3d842e8590938de3e4ac6cfea61a7df3023f4cc Mon Sep 17 00:00:00 2001
From: Monster Iestyn <iestynjealous@ntlworld.com>
Date: Thu, 3 Mar 2016 14:43:42 +0000
Subject: [PATCH 02/31] Fix accidental copy+paste of o to d and normal in
 slope_get code

---
 src/lua_maplib.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/lua_maplib.c b/src/lua_maplib.c
index a6ebf1ab..218f26e1 100644
--- a/src/lua_maplib.c
+++ b/src/lua_maplib.c
@@ -1213,9 +1213,9 @@ static int slope_get(lua_State *L)
 		return 1;
 	case slope_d: // d
 		lua_createtable(L, 0, 2);
-		lua_pushfixed(L, slope->o.x);
+		lua_pushfixed(L, slope->d.x);
 		lua_setfield(L, -2, "x");
-		lua_pushfixed(L, slope->o.y);
+		lua_pushfixed(L, slope->d.y);
 		lua_setfield(L, -2, "y");
 		return 1;
 	case slope_zdelta: // zdelta
@@ -1223,9 +1223,9 @@ static int slope_get(lua_State *L)
 		return 1;
 	case slope_normal: // normal
 		lua_createtable(L, 0, 2);
-		lua_pushfixed(L, slope->o.x);
+		lua_pushfixed(L, slope->normal.x);
 		lua_setfield(L, -2, "x");
-		lua_pushfixed(L, slope->o.y);
+		lua_pushfixed(L, slope->normal.y);
 		lua_setfield(L, -2, "y");
 		return 1;
 	case slope_zangle: // zangle

From ad0069676a4cbc1201dbf3bfef35f28052df303b Mon Sep 17 00:00:00 2001
From: wolfy852 <wolfy852@hotmail.com>
Date: Thu, 3 Mar 2016 20:47:05 -0600
Subject: [PATCH 03/31] slope->normal is vector3_t, not vector2_t

---
 src/lua_maplib.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/lua_maplib.c b/src/lua_maplib.c
index 218f26e1..f584ce4c 100644
--- a/src/lua_maplib.c
+++ b/src/lua_maplib.c
@@ -1222,11 +1222,13 @@ static int slope_get(lua_State *L)
 		lua_pushfixed(L, slope->zdelta);
 		return 1;
 	case slope_normal: // normal
-		lua_createtable(L, 0, 2);
+		lua_createtable(L, 0, 3);
 		lua_pushfixed(L, slope->normal.x);
 		lua_setfield(L, -2, "x");
 		lua_pushfixed(L, slope->normal.y);
 		lua_setfield(L, -2, "y");
+		lua_pushfixed(L, slope->normal.z);
+		lua_setfield(L, -2, "z");
 		return 1;
 	case slope_zangle: // zangle
 		lua_pushangle(L, slope->zangle);

From cb62f08364d4d53e51d4770198e2b65b3547e62b Mon Sep 17 00:00:00 2001
From: Prisima the Fox <prisimathefox@gmail.com>
Date: Thu, 20 Oct 2016 22:23:50 -0400
Subject: [PATCH 04/31] "PlayerQuit" hook

---
 src/lua_hook.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/lua_hook.h b/src/lua_hook.h
index 804d99e1..240fdaec 100644
--- a/src/lua_hook.h
+++ b/src/lua_hook.h
@@ -43,6 +43,7 @@ enum hook {
 	hook_PlayerMsg,
 	hook_HurtMsg,
 	hook_PlayerSpawn,
+	hook_PlayerQuit,
 
 	hook_MAX // last hook
 };
@@ -77,5 +78,6 @@ boolean LUAh_LinedefExecute(line_t *line, mobj_t *mo, sector_t *sector); // Hook
 boolean LUAh_PlayerMsg(int source, int target, int flags, char *msg); // Hook for chat messages
 boolean LUAh_HurtMsg(player_t *player, mobj_t *inflictor, mobj_t *source); // Hook for hurt messages
 #define LUAh_PlayerSpawn(player) LUAh_PlayerHook(player, hook_PlayerSpawn) // Hook for G_SpawnPlayer
+boolean LUAh_PlayerQuit(player_t *plr, int reason); // Hook for player quitting
 
 #endif

From cfb2feff8ef4344130bed3456937ecb9609c593a Mon Sep 17 00:00:00 2001
From: Prisima the Fox <prisimathefox@gmail.com>
Date: Thu, 20 Oct 2016 22:25:11 -0400
Subject: [PATCH 05/31] "PlayerQuit" hook

---
 src/lua_hooklib.c | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)

diff --git a/src/lua_hooklib.c b/src/lua_hooklib.c
index 1b965257..be3f8b0e 100644
--- a/src/lua_hooklib.c
+++ b/src/lua_hooklib.c
@@ -54,6 +54,7 @@ const char *const hookNames[hook_MAX+1] = {
 	"PlayerMsg",
 	"HurtMsg",
 	"PlayerSpawn",
+	"PlayerQuit",
 	NULL
 };
 
@@ -798,4 +799,41 @@ void LUAh_NetArchiveHook(lua_CFunction archFunc)
 	// stack: tables
 }
 
+boolean LUAh_PlayerQuit(player_t *plr, int reason)
+{
+	hook_p hookp;
+	boolean hooked = false;
+	if (!gL || !(hooksAvailable[hook_PlayerQuit/8] & (1<<(hook_PlayerQuit%8))))
+		return false;
+
+	lua_settop(gL, 0);
+
+	for (hookp = roothook; hookp; hookp = hookp->next)
+		if (hookp->type == hook_PlayerQuit)
+		{
+			if (lua_gettop(gL) == 0)
+			{
+				LUA_PushUserdata(gL, plr, META_PLAYER); // Player that quit
+				lua_pushinteger(gL, reason); // Reason for quitting
+			}
+			lua_pushfstring(gL, FMT_HOOKID, hookp->id);
+			lua_gettable(gL, LUA_REGISTRYINDEX);
+			lua_pushvalue(gL, -3);
+			lua_pushvalue(gL, -3);
+			if (lua_pcall(gL, 2, 1, 0)) {
+				if (!hookp->error || cv_debug & DBG_LUA)
+					CONS_Alert(CONS_WARNING,"%s\n",lua_tostring(gL, -1));
+				lua_pop(gL, 1);
+				hookp->error = true;
+				continue;
+			}
+			if (lua_toboolean(gL, -1))
+				hooked = true;
+			lua_pop(gL, 1);
+		}
+
+	lua_settop(gL, 0);
+	return hooked;
+}
+
 #endif

From 89e8766b77f0176e9680522cd4a9b325a2e1b33c Mon Sep 17 00:00:00 2001
From: Prisima the Fox <prisimathefox@gmail.com>
Date: Thu, 20 Oct 2016 22:30:11 -0400
Subject: [PATCH 06/31] "PlayerQuit" hook

---
 src/d_clisrv.c | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/src/d_clisrv.c b/src/d_clisrv.c
index c0f81ba3..973564a9 100644
--- a/src/d_clisrv.c
+++ b/src/d_clisrv.c
@@ -2208,7 +2208,7 @@ void CL_ClearPlayer(INT32 playernum)
 //
 // Removes a player from the current game
 //
-static void CL_RemovePlayer(INT32 playernum)
+static void CL_RemovePlayer(INT32 playernum, INT32 reason)
 {
 	// Sanity check: exceptional cases (i.e. c-fails) can cause multiple
 	// kick commands to be issued for the same player.
@@ -2262,6 +2262,10 @@ static void CL_RemovePlayer(INT32 playernum)
 			}
 		}
 	}
+	
+#ifdef HAVE_BLUA
+	LUAh_PlayerQuit(&players[playernum], reason); // Lua hook for player quitting
+#endif
 
 	// Reset player data
 	CL_ClearPlayer(playernum);
@@ -2513,6 +2517,7 @@ static void Got_KickCmd(UINT8 **p, INT32 playernum)
 	INT32 pnum, msg;
 	XBOXSTATIC char buf[3 + MAX_REASONLENGTH];
 	char *reason = buf;
+	INT32 kickreason = 1;
 
 	pnum = READUINT8(*p);
 	msg = READUINT8(*p);
@@ -2593,14 +2598,17 @@ static void Got_KickCmd(UINT8 **p, INT32 playernum)
 	{
 		case KICK_MSG_GO_AWAY:
 			CONS_Printf(M_GetText("has been kicked (Go away)\n"));
+			kickreason = 1;
 			break;
 #ifdef NEWPING
 		case KICK_MSG_PING_HIGH:
 			CONS_Printf(M_GetText("left the game (Broke ping limit)\n"));
+			kickreason = 2;
 			break;
 #endif
 		case KICK_MSG_CON_FAIL:
 			CONS_Printf(M_GetText("left the game (Synch failure)\n"));
+			kickreason = 3;
 
 			if (M_CheckParm("-consisdump")) // Helps debugging some problems
 			{
@@ -2637,21 +2645,26 @@ static void Got_KickCmd(UINT8 **p, INT32 playernum)
 			break;
 		case KICK_MSG_TIMEOUT:
 			CONS_Printf(M_GetText("left the game (Connection timeout)\n"));
+			kickreason = 4;
 			break;
 		case KICK_MSG_PLAYER_QUIT:
 			if (netgame) // not splitscreen/bots
 				CONS_Printf(M_GetText("left the game\n"));
+				kickreason = 6;
 			break;
 		case KICK_MSG_BANNED:
 			CONS_Printf(M_GetText("has been banned (Don't come back)\n"));
+			kickreason = 5;
 			break;
 		case KICK_MSG_CUSTOM_KICK:
 			READSTRINGN(*p, reason, MAX_REASONLENGTH+1);
 			CONS_Printf(M_GetText("has been kicked (%s)\n"), reason);
+			kickreason = 1;
 			break;
 		case KICK_MSG_CUSTOM_BAN:
 			READSTRINGN(*p, reason, MAX_REASONLENGTH+1);
 			CONS_Printf(M_GetText("has been banned (%s)\n"), reason);
+			kickreason = 5;
 			break;
 	}
 
@@ -2679,7 +2692,7 @@ static void Got_KickCmd(UINT8 **p, INT32 playernum)
 			M_StartMessage(M_GetText("You have been kicked by the server\n\nPress ESC\n"), NULL, MM_NOTHING);
 	}
 	else
-		CL_RemovePlayer(pnum);
+		CL_RemovePlayer(pnum, kickreason);
 }
 
 consvar_t cv_allownewplayer = {"allowjoin", "On", CV_NETVAR, CV_OnOff, NULL, 0, NULL, NULL, 0, 0, NULL	};

From fcf2fe79e00dae735cf383ce04422a6548fe4288 Mon Sep 17 00:00:00 2001
From: Prisima the Fox <prisimathefox@gmail.com>
Date: Thu, 20 Oct 2016 23:25:47 -0400
Subject: [PATCH 07/31] Oops; PlayerQuit isn't a boolean!

---
 src/lua_hook.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lua_hook.h b/src/lua_hook.h
index 240fdaec..94b934f3 100644
--- a/src/lua_hook.h
+++ b/src/lua_hook.h
@@ -78,6 +78,6 @@ boolean LUAh_LinedefExecute(line_t *line, mobj_t *mo, sector_t *sector); // Hook
 boolean LUAh_PlayerMsg(int source, int target, int flags, char *msg); // Hook for chat messages
 boolean LUAh_HurtMsg(player_t *player, mobj_t *inflictor, mobj_t *source); // Hook for hurt messages
 #define LUAh_PlayerSpawn(player) LUAh_PlayerHook(player, hook_PlayerSpawn) // Hook for G_SpawnPlayer
-boolean LUAh_PlayerQuit(player_t *plr, int reason); // Hook for player quitting
+void LUAh_PlayerQuit(player_t *plr, int reason); // Hook for player quitting
 
 #endif

From defc7c164545eeae8db8f81de5c8ca46eff9af14 Mon Sep 17 00:00:00 2001
From: Prisima the Fox <prisimathefox@gmail.com>
Date: Thu, 20 Oct 2016 23:26:41 -0400
Subject: [PATCH 08/31] Oops; PlayerQuit isn't a boolean!

---
 src/lua_hooklib.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/lua_hooklib.c b/src/lua_hooklib.c
index be3f8b0e..5ac77da9 100644
--- a/src/lua_hooklib.c
+++ b/src/lua_hooklib.c
@@ -799,12 +799,12 @@ void LUAh_NetArchiveHook(lua_CFunction archFunc)
 	// stack: tables
 }
 
-boolean LUAh_PlayerQuit(player_t *plr, int reason)
+void LUAh_PlayerQuit(player_t *plr, int reason)
 {
 	hook_p hookp;
 	boolean hooked = false;
 	if (!gL || !(hooksAvailable[hook_PlayerQuit/8] & (1<<(hook_PlayerQuit%8))))
-		return false;
+		return;
 
 	lua_settop(gL, 0);
 

From 673315265107da0740372f2ba1917cb89396c208 Mon Sep 17 00:00:00 2001
From: Prisima the Fox <prisimathefox@gmail.com>
Date: Fri, 21 Oct 2016 16:16:54 -0400
Subject: [PATCH 09/31] No more magic numbers

---
 src/d_clisrv.c | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/src/d_clisrv.c b/src/d_clisrv.c
index 973564a9..cfe0c1cd 100644
--- a/src/d_clisrv.c
+++ b/src/d_clisrv.c
@@ -2517,7 +2517,7 @@ static void Got_KickCmd(UINT8 **p, INT32 playernum)
 	INT32 pnum, msg;
 	XBOXSTATIC char buf[3 + MAX_REASONLENGTH];
 	char *reason = buf;
-	INT32 kickreason = 1;
+	kickreason_t kickreason = KR_KICK;
 
 	pnum = READUINT8(*p);
 	msg = READUINT8(*p);
@@ -2598,17 +2598,17 @@ static void Got_KickCmd(UINT8 **p, INT32 playernum)
 	{
 		case KICK_MSG_GO_AWAY:
 			CONS_Printf(M_GetText("has been kicked (Go away)\n"));
-			kickreason = 1;
+			kickreason = KR_KICK;
 			break;
 #ifdef NEWPING
 		case KICK_MSG_PING_HIGH:
 			CONS_Printf(M_GetText("left the game (Broke ping limit)\n"));
-			kickreason = 2;
+			kickreason = KR_PINGLIMIT;
 			break;
 #endif
 		case KICK_MSG_CON_FAIL:
 			CONS_Printf(M_GetText("left the game (Synch failure)\n"));
-			kickreason = 3;
+			kickreason = KR_SYNCH;
 
 			if (M_CheckParm("-consisdump")) // Helps debugging some problems
 			{
@@ -2645,26 +2645,26 @@ static void Got_KickCmd(UINT8 **p, INT32 playernum)
 			break;
 		case KICK_MSG_TIMEOUT:
 			CONS_Printf(M_GetText("left the game (Connection timeout)\n"));
-			kickreason = 4;
+			kickreason = KR_TIMEOUT;
 			break;
 		case KICK_MSG_PLAYER_QUIT:
 			if (netgame) // not splitscreen/bots
 				CONS_Printf(M_GetText("left the game\n"));
-				kickreason = 6;
+				kickreason = KR_LEAVE;
 			break;
 		case KICK_MSG_BANNED:
 			CONS_Printf(M_GetText("has been banned (Don't come back)\n"));
-			kickreason = 5;
+			kickreason = KR_BAN;
 			break;
 		case KICK_MSG_CUSTOM_KICK:
 			READSTRINGN(*p, reason, MAX_REASONLENGTH+1);
 			CONS_Printf(M_GetText("has been kicked (%s)\n"), reason);
-			kickreason = 1;
+			kickreason = KR_KICK;
 			break;
 		case KICK_MSG_CUSTOM_BAN:
 			READSTRINGN(*p, reason, MAX_REASONLENGTH+1);
 			CONS_Printf(M_GetText("has been banned (%s)\n"), reason);
-			kickreason = 5;
+			kickreason = KR_BAN;
 			break;
 	}
 

From c38457f23c70509cef3fd131e380332c2e43ab4f Mon Sep 17 00:00:00 2001
From: Prisima the Fox <prisimathefox@gmail.com>
Date: Fri, 21 Oct 2016 16:25:07 -0400
Subject: [PATCH 10/31] No more magic numbers

---
 src/d_clisrv.h | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/d_clisrv.h b/src/d_clisrv.h
index 14b59092..cd726d9b 100644
--- a/src/d_clisrv.h
+++ b/src/d_clisrv.h
@@ -436,6 +436,17 @@ extern consvar_t cv_playbackspeed;
 #define KICK_MSG_CUSTOM_KICK 7
 #define KICK_MSG_CUSTOM_BAN  8
 
+typedef enum
+{
+	KR_KICK          = 1, //Kicked by server
+	KR_PINGLIMIT     = 2, //Broke Ping Limit
+	KR_SYNCH         = 3, //Synch Failure
+	KR_TIMEOUT       = 4, //Connection Timeout 
+	KR_BAN           = 5, //Banned by server
+	KR_LEAVE         = 6, //Quit the game
+	
+} kickreason_t;
+
 extern boolean server;
 extern boolean dedicated; // for dedicated server
 extern UINT16 software_MAXPACKETLENGTH;

From b5988e082cd012555e532d7c0a25b73818ec6566 Mon Sep 17 00:00:00 2001
From: Prisima the Fox <prisimathefox@gmail.com>
Date: Fri, 21 Oct 2016 16:27:15 -0400
Subject: [PATCH 11/31] No more magic numbers

---
 src/dehacked.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/dehacked.c b/src/dehacked.c
index f03dd73b..62a7ad81 100644
--- a/src/dehacked.c
+++ b/src/dehacked.c
@@ -31,6 +31,7 @@
 #include "fastcmp.h"
 #include "lua_script.h"
 #include "lua_hook.h"
+#include "d_clisrv.h"
 
 #include "m_cond.h"
 
@@ -7392,6 +7393,14 @@ struct {
 
 	{"V_CHARCOLORSHIFT",V_CHARCOLORSHIFT},
 	{"V_ALPHASHIFT",V_ALPHASHIFT},
+	
+	//Kick Reasons
+	{"KR_KICK",KR_KICK},
+	{"KR_PINGLIMIT",KR_PINGLIMIT},
+	{"KR_SYNCH",KR_SYNCH},
+	{"KR_TIMEOUT",KR_TIMEOUT},
+	{"KR_BAN",KR_BAN},
+	{"KR_LEAVE",KR_LEAVE},
 #endif
 
 	{NULL,0}

From b1ce5896aa97509268589cbcba26431c08f8adf9 Mon Sep 17 00:00:00 2001
From: Prisima the Fox <prisimathefox@gmail.com>
Date: Tue, 8 Nov 2016 10:30:01 -0500
Subject: [PATCH 12/31] Remove boolean remnants

---
 src/lua_hooklib.c | 20 +++-----------------
 1 file changed, 3 insertions(+), 17 deletions(-)

diff --git a/src/lua_hooklib.c b/src/lua_hooklib.c
index 5ac77da9..16f8c55d 100644
--- a/src/lua_hooklib.c
+++ b/src/lua_hooklib.c
@@ -802,7 +802,6 @@ void LUAh_NetArchiveHook(lua_CFunction archFunc)
 void LUAh_PlayerQuit(player_t *plr, int reason)
 {
 	hook_p hookp;
-	boolean hooked = false;
 	if (!gL || !(hooksAvailable[hook_PlayerQuit/8] & (1<<(hook_PlayerQuit%8))))
 		return;
 
@@ -811,29 +810,16 @@ void LUAh_PlayerQuit(player_t *plr, int reason)
 	for (hookp = roothook; hookp; hookp = hookp->next)
 		if (hookp->type == hook_PlayerQuit)
 		{
-			if (lua_gettop(gL) == 0)
-			{
-				LUA_PushUserdata(gL, plr, META_PLAYER); // Player that quit
-				lua_pushinteger(gL, reason); // Reason for quitting
-			}
+			LUA_PushUserdata(gL, plr, META_PLAYER); // Player that quit
+			lua_pushinteger(gL, reason); // Reason for quitting
 			lua_pushfstring(gL, FMT_HOOKID, hookp->id);
 			lua_gettable(gL, LUA_REGISTRYINDEX);
 			lua_pushvalue(gL, -3);
 			lua_pushvalue(gL, -3);
-			if (lua_pcall(gL, 2, 1, 0)) {
-				if (!hookp->error || cv_debug & DBG_LUA)
-					CONS_Alert(CONS_WARNING,"%s\n",lua_tostring(gL, -1));
-				lua_pop(gL, 1);
-				hookp->error = true;
-				continue;
-			}
-			if (lua_toboolean(gL, -1))
-				hooked = true;
-			lua_pop(gL, 1);
+			LUA_Call(gL, 2);
 		}
 
 	lua_settop(gL, 0);
-	return hooked;
 }
 
 #endif

From d788cb7676e8832147d9e6ae911b10005987a85c Mon Sep 17 00:00:00 2001
From: Prisima the Fox <prisimathefox@gmail.com>
Date: Fri, 25 Nov 2016 15:20:41 -0500
Subject: [PATCH 13/31] Keeping the lua_gettop(gL) thing, otherwise the
 player/reason values will be pushed once to the stack each for every hook.
 Thanks MonsterIestyn!

---
 src/lua_hooklib.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/lua_hooklib.c b/src/lua_hooklib.c
index 16f8c55d..7c10b7e3 100644
--- a/src/lua_hooklib.c
+++ b/src/lua_hooklib.c
@@ -810,7 +810,11 @@ void LUAh_PlayerQuit(player_t *plr, int reason)
 	for (hookp = roothook; hookp; hookp = hookp->next)
 		if (hookp->type == hook_PlayerQuit)
 		{
-			LUA_PushUserdata(gL, plr, META_PLAYER); // Player that quit
+		    if (lua_gettop(gL) == 0)
+		    {
+		        LUA_PushUserdata(gL, plr, META_PLAYER); // Player that quit
+		        lua_pushinteger(gL, reason); // Reason for quitting
+		    }
 			lua_pushinteger(gL, reason); // Reason for quitting
 			lua_pushfstring(gL, FMT_HOOKID, hookp->id);
 			lua_gettable(gL, LUA_REGISTRYINDEX);

From dd13df230831debbfb08a447800ea8cc18bd4abf Mon Sep 17 00:00:00 2001
From: Prisima the Fox <prisimathefox@gmail.com>
Date: Sat, 3 Dec 2016 18:18:16 -0500
Subject: [PATCH 14/31] Whoops, didn't see the duplicate line.

---
 src/lua_hooklib.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/src/lua_hooklib.c b/src/lua_hooklib.c
index 7c10b7e3..273264d7 100644
--- a/src/lua_hooklib.c
+++ b/src/lua_hooklib.c
@@ -815,7 +815,6 @@ void LUAh_PlayerQuit(player_t *plr, int reason)
 		        LUA_PushUserdata(gL, plr, META_PLAYER); // Player that quit
 		        lua_pushinteger(gL, reason); // Reason for quitting
 		    }
-			lua_pushinteger(gL, reason); // Reason for quitting
 			lua_pushfstring(gL, FMT_HOOKID, hookp->id);
 			lua_gettable(gL, LUA_REGISTRYINDEX);
 			lua_pushvalue(gL, -3);

From 61fa7026a107e30688bf836e0fc7c6a7c9f77861 Mon Sep 17 00:00:00 2001
From: Monster Iestyn <iestynjealous@ntlworld.com>
Date: Sat, 20 Oct 2018 19:00:37 +0100
Subject: [PATCH 15/31] add vector2 and vector3 userdata types to simplify
 getting a slope's o/d/normal

---
 src/lua_libs.h   |  2 ++
 src/lua_maplib.c | 82 +++++++++++++++++++++++++++++++++++++-----------
 2 files changed, 65 insertions(+), 19 deletions(-)

diff --git a/src/lua_libs.h b/src/lua_libs.h
index bf7fe03e..a9c82bce 100644
--- a/src/lua_libs.h
+++ b/src/lua_libs.h
@@ -39,6 +39,8 @@ extern lua_State *gL;
 #define META_SECTOR "SECTOR_T*"
 #define META_FFLOOR "FFLOOR_T*"
 #define META_SLOPE "PSLOPE_T*"
+#define META_VECTOR2 "VECTOR2_T"
+#define META_VECTOR3 "VECTOR3_T"
 #define META_MAPHEADER "MAPHEADER_T*"
 
 #define META_CVAR "CONSVAR_T*"
diff --git a/src/lua_maplib.c b/src/lua_maplib.c
index 7a94060e..e769a00d 100644
--- a/src/lua_maplib.c
+++ b/src/lua_maplib.c
@@ -223,6 +223,19 @@ static const char *const slope_opt[] = {
 	"flags",
 	NULL};
 
+// shared by both vector2_t and vector3_t
+enum vector_e {
+	vector_x = 0,
+	vector_y,
+	vector_z
+};
+
+static const char *const vector_opt[] = {
+	"x",
+	"y",
+	"z",
+	NULL};
+
 static const char *const array_opt[] ={"iterate",NULL};
 static const char *const valid_opt[] ={"valid",NULL};
 
@@ -1232,32 +1245,16 @@ static int slope_get(lua_State *L)
 		lua_pushboolean(L, 1);
 		return 1;
 	case slope_o: // o
-		lua_createtable(L, 0, 3);
-		lua_pushfixed(L, slope->o.x);
-		lua_setfield(L, -2, "x");
-		lua_pushfixed(L, slope->o.y);
-		lua_setfield(L, -2, "y");
-		lua_pushfixed(L, slope->o.z);
-		lua_setfield(L, -2, "z");
+		LUA_PushUserdata(L, &slope->o, META_VECTOR3);
 		return 1;
 	case slope_d: // d
-		lua_createtable(L, 0, 2);
-		lua_pushfixed(L, slope->d.x);
-		lua_setfield(L, -2, "x");
-		lua_pushfixed(L, slope->d.y);
-		lua_setfield(L, -2, "y");
+		LUA_PushUserdata(L, &slope->d, META_VECTOR2);
 		return 1;
 	case slope_zdelta: // zdelta
 		lua_pushfixed(L, slope->zdelta);
 		return 1;
 	case slope_normal: // normal
-		lua_createtable(L, 0, 3);
-		lua_pushfixed(L, slope->normal.x);
-		lua_setfield(L, -2, "x");
-		lua_pushfixed(L, slope->normal.y);
-		lua_setfield(L, -2, "y");
-		lua_pushfixed(L, slope->normal.z);
-		lua_setfield(L, -2, "z");
+		LUA_PushUserdata(L, &slope->normal, META_VECTOR3);
 		return 1;
 	case slope_zangle: // zangle
 		lua_pushangle(L, slope->zangle);
@@ -1358,6 +1355,43 @@ static int slope_set(lua_State *L)
 	return 0;
 }
 
+static int vector2_get(lua_State *L)
+{
+	vector2_t *vec = *((vector2_t **)luaL_checkudata(L, 1, META_VECTOR2));
+	enum vector_e field = luaL_checkoption(L, 2, vector_opt[0], vector_opt);
+
+	if (!vec)
+		return luaL_error(L, "accessed vector2_t doesn't exist anymore.");
+
+	switch(field)
+	{
+		case vector_x: lua_pushfixed(L, vec->x); return 1;
+		case vector_y: lua_pushfixed(L, vec->y); return 1;
+		default: break;
+	}
+
+	return 0;
+}
+
+static int vector3_get(lua_State *L)
+{
+	vector3_t *vec = *((vector3_t **)luaL_checkudata(L, 1, META_VECTOR3));
+	enum vector_e field = luaL_checkoption(L, 2, vector_opt[0], vector_opt);
+
+	if (!vec)
+		return luaL_error(L, "accessed vector3_t doesn't exist anymore.");
+
+	switch(field)
+	{
+		case vector_x: lua_pushfixed(L, vec->x); return 1;
+		case vector_y: lua_pushfixed(L, vec->y); return 1;
+		case vector_z: lua_pushfixed(L, vec->z); return 1;
+		default: break;
+	}
+
+	return 0;
+}
+
 static int lib_getMapheaderinfo(lua_State *L)
 {
 	// i -> mapheaderinfo[i-1]
@@ -1542,6 +1576,16 @@ int LUA_MapLib(lua_State *L)
 		lua_setfield(L, -2, "__newindex");
 	lua_pop(L, 1);
 
+	luaL_newmetatable(L, META_VECTOR2);
+		lua_pushcfunction(L, vector2_get);
+		lua_setfield(L, -2, "__index");
+	lua_pop(L, 1);
+
+	luaL_newmetatable(L, META_VECTOR3);
+		lua_pushcfunction(L, vector3_get);
+		lua_setfield(L, -2, "__index");
+	lua_pop(L, 1);
+
 	luaL_newmetatable(L, META_MAPHEADER);
 		lua_pushcfunction(L, mapheaderinfo_get);
 		lua_setfield(L, -2, "__index");

From 4edeeb69539267dce61e9841c564632dc6cad20d Mon Sep 17 00:00:00 2001
From: Monster Iestyn <iestynjealous@ntlworld.com>
Date: Sat, 20 Oct 2018 21:08:59 +0100
Subject: [PATCH 16/31] Add P_GetZAt to Lua

---
 src/lua_baselib.c | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/src/lua_baselib.c b/src/lua_baselib.c
index e8e8fd02..f60756f1 100644
--- a/src/lua_baselib.c
+++ b/src/lua_baselib.c
@@ -14,6 +14,9 @@
 #ifdef HAVE_BLUA
 #include "p_local.h"
 #include "p_setup.h" // So we can have P_SetupLevelSky
+#ifdef ESLOPE
+#include "p_slopes.h" // P_GetZAt
+#endif
 #include "z_zone.h"
 #include "r_main.h"
 #include "r_things.h"
@@ -1547,6 +1550,24 @@ static int lib_evCrumbleChain(lua_State *L)
 	return 0;
 }
 
+#ifdef ESLOPE
+// P_SLOPES
+////////////
+
+static int lib_pGetZAt(lua_State *L)
+{
+	pslope_t *slope = *((pslope_t **)luaL_checkudata(L, 1, META_SLOPE));
+	fixed_t x = luaL_checkfixed(L, 2);
+	fixed_t y = luaL_checkfixed(L, 3);
+	//HUDSAFE
+	if (!slope)
+		return LUA_ErrInvalid(L, "pslope_t");
+
+	lua_pushfixed(L, P_GetZAt(slope, x, y));
+	return 1;
+}
+#endif
+
 // R_DEFS
 ////////////
 
@@ -2113,6 +2134,11 @@ static luaL_Reg lib[] = {
 	{"P_StartQuake",lib_pStartQuake},
 	{"EV_CrumbleChain",lib_evCrumbleChain},
 
+#ifdef ESLOPE
+	// p_slopes
+	{"P_GetZAt",lib_pGetZAt},
+#endif
+
 	// r_defs
 	{"R_PointToAngle",lib_rPointToAngle},
 	{"R_PointToAngle2",lib_rPointToAngle2},

From 9296aaa28c720057b4b0752c82256701ee0ae6ac Mon Sep 17 00:00:00 2001
From: Monster Iestyn <iestynjealous@ntlworld.com>
Date: Sat, 20 Oct 2018 23:36:06 +0100
Subject: [PATCH 17/31] zangle should be shifted down by ANGLETOFINESHIFT if
 we're to use FINETANGENT on it

---
 src/lua_maplib.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lua_maplib.c b/src/lua_maplib.c
index e769a00d..7635ded1 100644
--- a/src/lua_maplib.c
+++ b/src/lua_maplib.c
@@ -1344,7 +1344,7 @@ static int slope_set(lua_State *L)
 	}
 	case slope_zangle: // zangle
 		slope->zangle = luaL_checkangle(L, 3);
-		slope->zdelta = FINETANGENT(slope->zangle);
+		slope->zdelta = FINETANGENT(slope->zangle>>ANGLETOFINESHIFT);
 		P_CalculateSlopeNormal(slope);
 		break;
 	case slope_xydirection: // xydirection

From 2ec4f2024f784af6bc5562cbd0e5f62d5d722d1a Mon Sep 17 00:00:00 2001
From: Monster Iestyn <iestynjealous@ntlworld.com>
Date: Sun, 21 Oct 2018 15:00:07 +0100
Subject: [PATCH 18/31] Added support for pslope_t userdata variables in Lua
 archive/unarchive code

---
 src/lua_script.c | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/src/lua_script.c b/src/lua_script.c
index ddfbf5c7..0440efd5 100644
--- a/src/lua_script.c
+++ b/src/lua_script.c
@@ -22,6 +22,9 @@
 #include "byteptr.h"
 #include "p_saveg.h"
 #include "p_local.h"
+#ifdef ESLOPE
+#include "p_slopes.h" // for P_SlopeById
+#endif
 #ifdef LUA_ALLOW_BYTECODE
 #include "d_netfil.h" // for LUA_DumpFile
 #endif
@@ -457,6 +460,9 @@ enum
 	ARCH_SIDE,
 	ARCH_SUBSECTOR,
 	ARCH_SECTOR,
+#ifdef ESLOPE
+	ARCH_SLOPE,
+#endif
 	ARCH_MAPHEADER,
 
 	ARCH_TEND=0xFF,
@@ -476,6 +482,9 @@ static const struct {
 	{META_SIDE,     ARCH_SIDE},
 	{META_SUBSECTOR,ARCH_SUBSECTOR},
 	{META_SECTOR,   ARCH_SECTOR},
+#ifdef ESLOPE
+	{META_SLOPE,    ARCH_SLOPE},
+#endif
 	{META_MAPHEADER,   ARCH_MAPHEADER},
 	{NULL,          ARCH_NULL}
 };
@@ -680,6 +689,19 @@ static UINT8 ArchiveValue(int TABLESINDEX, int myindex)
 			}
 			break;
 		}
+#ifdef ESLOPE
+		case ARCH_SLOPE:
+		{
+			pslope_t *slope = *((pslope_t **)lua_touserdata(gL, myindex));
+			if (!slope)
+				WRITEUINT8(save_p, ARCH_NULL);
+			else {
+				WRITEUINT8(save_p, ARCH_SLOPE);
+				WRITEUINT16(save_p, slope->id);
+			}
+			break;
+		}
+#endif
 		case ARCH_MAPHEADER:
 		{
 			mapheader_t *header = *((mapheader_t **)lua_touserdata(gL, myindex));
@@ -884,6 +906,11 @@ static UINT8 UnArchiveValue(int TABLESINDEX)
 	case ARCH_SECTOR:
 		LUA_PushUserdata(gL, &sectors[READUINT16(save_p)], META_SECTOR);
 		break;
+#ifdef ESLOPE
+	case ARCH_SLOPE:
+		LUA_PushUserdata(gL, P_SlopeById(READUINT16(save_p)), META_SLOPE);
+		break;
+#endif
 	case ARCH_MAPHEADER:
 		LUA_PushUserdata(gL, &sectors[READUINT16(save_p)], META_MAPHEADER);
 		break;

From efff869e6e1e15b616f425ba84ce4d339e7052e3 Mon Sep 17 00:00:00 2001
From: Monster Iestyn <iestynjealous@ntlworld.com>
Date: Sun, 21 Oct 2018 15:12:51 +0100
Subject: [PATCH 19/31] Add mobj.standingslope to Lua

---
 src/lua_mobjlib.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/src/lua_mobjlib.c b/src/lua_mobjlib.c
index 6bb1388f..05091f12 100644
--- a/src/lua_mobjlib.c
+++ b/src/lua_mobjlib.c
@@ -80,7 +80,12 @@ enum mobj_e {
 	mobj_extravalue1,
 	mobj_extravalue2,
 	mobj_cusval,
+#ifdef ESLOPE
+	mobj_cvmem,
+	mobj_standingslope
+#else
 	mobj_cvmem
+#endif
 };
 
 static const char *const mobj_opt[] = {
@@ -140,6 +145,9 @@ static const char *const mobj_opt[] = {
 	"extravalue2",
 	"cusval",
 	"cvmem",
+#ifdef ESLOPE
+	"standingslope",
+#endif
 	NULL};
 
 #define UNIMPLEMENTED luaL_error(L, LUA_QL("mobj_t") " field " LUA_QS " is not implemented for Lua and cannot be accessed.", mobj_opt[field])
@@ -343,6 +351,11 @@ static int mobj_get(lua_State *L)
 	case mobj_cvmem:
 		lua_pushinteger(L, mo->cvmem);
 		break;
+#ifdef ESLOPE
+	case mobj_standingslope:
+		LUA_PushUserdata(L, mo->standingslope, META_SLOPE);
+		break;
+#endif
 	default: // extra custom variables in Lua memory
 		lua_getfield(L, LUA_REGISTRYINDEX, LREG_EXTVARS);
 		I_Assert(lua_istable(L, -1));
@@ -634,6 +647,10 @@ static int mobj_set(lua_State *L)
 	case mobj_cvmem:
 		mo->cvmem = luaL_checkinteger(L, 3);
 		break;
+#ifdef ESLOPE
+	case mobj_standingslope:
+		return NOSET;
+#endif
 	default:
 		lua_getfield(L, LUA_REGISTRYINDEX, LREG_EXTVARS);
 		I_Assert(lua_istable(L, -1));

From e15ed742c124f556ebebd4983e9f09136fa7cca3 Mon Sep 17 00:00:00 2001
From: Monster Iestyn <iestynjealous@ntlworld.com>
Date: Sun, 21 Oct 2018 16:27:54 +0100
Subject: [PATCH 20/31] add ESLOPE ifdef checks around all the Lua slope
 support code that was there before I was involved

---
 src/dehacked.c   |  2 ++
 src/lua_libs.h   |  2 ++
 src/lua_maplib.c | 24 ++++++++++++++++++++++++
 3 files changed, 28 insertions(+)

diff --git a/src/dehacked.c b/src/dehacked.c
index 251b0532..d470c7fa 100644
--- a/src/dehacked.c
+++ b/src/dehacked.c
@@ -7261,11 +7261,13 @@ struct {
 	{"FF_COLORMAPONLY",FF_COLORMAPONLY},       ///< Only copy the colormap, not the lightlevel
 	{"FF_GOOWATER",FF_GOOWATER},               ///< Used with ::FF_SWIMMABLE. Makes thick bouncey goop.
 
+#ifdef ESLOPE
 	// Slope flags
 	{"SL_NOPHYSICS",SL_NOPHYSICS},      // Don't do momentum adjustment with this slope
 	{"SL_NODYNAMIC",SL_NODYNAMIC},      // Slope will never need to move during the level, so don't fuss with recalculating it
 	{"SL_ANCHORVERTEX",SL_ANCHORVERTEX},// Slope is using a Slope Vertex Thing to anchor its position
 	{"SL_VERTEXSLOPE",SL_VERTEXSLOPE},  // Slope is built from three Slope Vertex Things
+#endif
 
 	// Angles
 	{"ANG1",ANG1},
diff --git a/src/lua_libs.h b/src/lua_libs.h
index a9c82bce..15d988ef 100644
--- a/src/lua_libs.h
+++ b/src/lua_libs.h
@@ -38,9 +38,11 @@ extern lua_State *gL;
 #define META_SUBSECTOR "SUBSECTOR_T*"
 #define META_SECTOR "SECTOR_T*"
 #define META_FFLOOR "FFLOOR_T*"
+#ifdef ESLOPE
 #define META_SLOPE "PSLOPE_T*"
 #define META_VECTOR2 "VECTOR2_T"
 #define META_VECTOR3 "VECTOR3_T"
+#endif
 #define META_MAPHEADER "MAPHEADER_T*"
 
 #define META_CVAR "CONSVAR_T*"
diff --git a/src/lua_maplib.c b/src/lua_maplib.c
index 7635ded1..d8363429 100644
--- a/src/lua_maplib.c
+++ b/src/lua_maplib.c
@@ -40,10 +40,14 @@ enum sector_e {
 	sector_heightsec,
 	sector_camsec,
 	sector_lines,
+#ifdef ESLOPE
 	sector_ffloors,
 	sector_fslope,
 	sector_cslope,
 	sector_hasslope
+#else
+	sector_ffloors
+#endif
 };
 
 static const char *const sector_opt[] = {
@@ -60,9 +64,11 @@ static const char *const sector_opt[] = {
 	"camsec",
 	"lines",
 	"ffloors",
+#ifdef ESLOPE
 	"f_slope",
 	"c_slope",
 	"hasslope",
+#endif
 	NULL};
 
 enum subsector_e {
@@ -168,8 +174,10 @@ enum ffloor_e {
 	ffloor_toplightlevel,
 	ffloor_bottomheight,
 	ffloor_bottompic,
+#ifdef ESLOPE
 	ffloor_tslope,
 	ffloor_bslope,
+#endif
 	ffloor_sector,
 	ffloor_flags,
 	ffloor_master,
@@ -186,8 +194,10 @@ static const char *const ffloor_opt[] = {
 	"toplightlevel",
 	"bottomheight",
 	"bottompic",
+#ifdef ESLOPE
 	"t_slope",
 	"b_slope",
+#endif
 	"sector", // secnum pushed as control sector userdata
 	"flags",
 	"master", // control linedef
@@ -197,6 +207,7 @@ static const char *const ffloor_opt[] = {
 	"alpha",
 	NULL};
 
+#ifdef ESLOPE
 enum slope_e {
 	slope_valid = 0,
 	slope_o,
@@ -235,6 +246,7 @@ static const char *const vector_opt[] = {
 	"y",
 	"z",
 	NULL};
+#endif
 
 static const char *const array_opt[] ={"iterate",NULL};
 static const char *const valid_opt[] ={"valid",NULL};
@@ -450,6 +462,7 @@ static int sector_get(lua_State *L)
 		LUA_PushUserdata(L, sector->ffloors, META_FFLOOR);
 		lua_pushcclosure(L, sector_iterate, 2); // push lib_iterateFFloors and sector->ffloors as upvalues for the function
 		return 1;
+#ifdef ESLOPE
 	case sector_fslope: // f_slope
 		LUA_PushUserdata(L, sector->f_slope, META_SLOPE);
 		return 1;
@@ -459,6 +472,7 @@ static int sector_get(lua_State *L)
 	case sector_hasslope: // hasslope
 		lua_pushboolean(L, sector->hasslope);
 		return 1;
+#endif
 	}
 	return 0;
 }
@@ -481,9 +495,11 @@ static int sector_set(lua_State *L)
 	case sector_heightsec: // heightsec
 	case sector_camsec: // camsec
 	case sector_ffloors: // ffloors
+#ifdef ESLOPE
 	case sector_fslope: // f_slope
 	case sector_cslope: // c_slope
 	case sector_hasslope: // hasslope
+#endif
 	default:
 		return luaL_error(L, "sector_t field " LUA_QS " cannot be set.", sector_opt[field]);
 	case sector_floorheight: { // floorheight
@@ -1118,12 +1134,14 @@ static int ffloor_get(lua_State *L)
 		lua_pushlstring(L, levelflat->name, 8);
 		return 1;
 	}
+#ifdef ESLOPE
 	case ffloor_tslope:
 		LUA_PushUserdata(L, *ffloor->t_slope, META_SLOPE);
 		return 1;
 	case ffloor_bslope:
 		LUA_PushUserdata(L, *ffloor->b_slope, META_SLOPE);
 		return 1;
+#endif
 	case ffloor_sector:
 		LUA_PushUserdata(L, &sectors[ffloor->secnum], META_SECTOR);
 		return 1;
@@ -1163,8 +1181,10 @@ static int ffloor_set(lua_State *L)
 	switch(field)
 	{
 	case ffloor_valid: // valid
+#ifdef ESLOPE
 	case ffloor_tslope: // t_slope
 	case ffloor_bslope: // b_slope
+#endif
 	case ffloor_sector: // sector
 	case ffloor_master: // master
 	case ffloor_target: // target
@@ -1225,6 +1245,7 @@ static int ffloor_set(lua_State *L)
 	return 0;
 }
 
+#ifdef ESLOPE
 static int slope_get(lua_State *L)
 {
 	pslope_t *slope = *((pslope_t **)luaL_checkudata(L, 1, META_SLOPE));
@@ -1391,6 +1412,7 @@ static int vector3_get(lua_State *L)
 
 	return 0;
 }
+#endif
 
 static int lib_getMapheaderinfo(lua_State *L)
 {
@@ -1568,6 +1590,7 @@ int LUA_MapLib(lua_State *L)
 		lua_setfield(L, -2, "__newindex");
 	lua_pop(L, 1);
 
+#ifdef ESLOPE
 	luaL_newmetatable(L, META_SLOPE);
 		lua_pushcfunction(L, slope_get);
 		lua_setfield(L, -2, "__index");
@@ -1585,6 +1608,7 @@ int LUA_MapLib(lua_State *L)
 		lua_pushcfunction(L, vector3_get);
 		lua_setfield(L, -2, "__index");
 	lua_pop(L, 1);
+#endif
 
 	luaL_newmetatable(L, META_MAPHEADER);
 		lua_pushcfunction(L, mapheaderinfo_get);

From 3ec8743c1bbdec71ecaa7d4d4cd41a3f00f1516c Mon Sep 17 00:00:00 2001
From: Monster Iestyn <iestynjealous@ntlworld.com>
Date: Sun, 21 Oct 2018 17:32:53 +0100
Subject: [PATCH 21/31] Fix up the ability to edit slope zdelta and zangle with
 Lua (zangle is untested as of writing)

---
 src/lua_maplib.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/src/lua_maplib.c b/src/lua_maplib.c
index d8363429..975ea1cb 100644
--- a/src/lua_maplib.c
+++ b/src/lua_maplib.c
@@ -1359,15 +1359,19 @@ static int slope_set(lua_State *L)
 	}
 	case slope_zdelta: { // zdelta, this is temp until i figure out wtf to do
 		slope->zdelta = luaL_checkfixed(L, 3);
-		slope->zangle = R_PointToAngle2(0, 0, FRACUNIT, slope->zdelta);
+		slope->zangle = R_PointToAngle2(0, 0, FRACUNIT, -slope->zdelta);
 		P_CalculateSlopeNormal(slope);
 		break;
 	}
-	case slope_zangle: // zangle
-		slope->zangle = luaL_checkangle(L, 3);
-		slope->zdelta = FINETANGENT(slope->zangle>>ANGLETOFINESHIFT);
+	case slope_zangle: { // zangle
+		angle_t zangle = luaL_checkangle(L, 3);
+		if (zangle == ANGLE_90 || zangle == ANGLE_270)
+			return luaL_error(L, "invalid zangle for slope!");
+		slope->zangle = zangle;
+		slope->zdelta = -FINETANGENT(((slope->zangle+ANGLE_90)>>ANGLETOFINESHIFT) & 4095);
 		P_CalculateSlopeNormal(slope);
 		break;
+	}
 	case slope_xydirection: // xydirection
 		slope->xydirection = luaL_checkangle(L, 3);
 		P_CalculateSlopeNormal(slope);

From 772004d3fd8032f6397b43221227af488e82cfd4 Mon Sep 17 00:00:00 2001
From: Monster Iestyn <iestynjealous@ntlworld.com>
Date: Sun, 21 Oct 2018 18:25:13 +0100
Subject: [PATCH 22/31] Fix editing slope xydirection with Lua

---
 src/lua_maplib.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/lua_maplib.c b/src/lua_maplib.c
index 975ea1cb..2ccb3b5f 100644
--- a/src/lua_maplib.c
+++ b/src/lua_maplib.c
@@ -1374,6 +1374,8 @@ static int slope_set(lua_State *L)
 	}
 	case slope_xydirection: // xydirection
 		slope->xydirection = luaL_checkangle(L, 3);
+		slope->d.x = -FINECOSINE((slope->xydirection>>ANGLETOFINESHIFT) & FINEMASK);
+		slope->d.y = -FINESINE((slope->xydirection>>ANGLETOFINESHIFT) & FINEMASK);
 		P_CalculateSlopeNormal(slope);
 		break;
 	}

From e95b54e64f2cbb13b79ac46b13b8e104f17f5517 Mon Sep 17 00:00:00 2001
From: Monster Iestyn <iestynjealous@ntlworld.com>
Date: Sun, 21 Oct 2018 20:35:14 +0100
Subject: [PATCH 23/31] missed this ESLOPE-needed area from a few commits ago
 apparently :V

---
 src/lua_maplib.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/lua_maplib.c b/src/lua_maplib.c
index 2ccb3b5f..b59c3c17 100644
--- a/src/lua_maplib.c
+++ b/src/lua_maplib.c
@@ -16,7 +16,9 @@
 #include "p_local.h"
 #include "p_setup.h"
 #include "z_zone.h"
+#ifdef ESLOPE
 #include "p_slopes.h"
+#endif
 #include "r_main.h"
 
 #include "lua_script.h"

From ab38e6cebb7765e1fe0ce846e2a30deab285e7d2 Mon Sep 17 00:00:00 2001
From: Monster Iestyn <iestynjealous@ntlworld.com>
Date: Sat, 13 Oct 2018 20:44:01 +0100
Subject: [PATCH 24/31] Creating a quick get_WSAErrorStr function to act as a
 wrapper for FormatMessageA so we can string-ify Winsock errors properly

Untested!
---
 src/i_tcp.c | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/src/i_tcp.c b/src/i_tcp.c
index 6488e984..9febd56f 100644
--- a/src/i_tcp.c
+++ b/src/i_tcp.c
@@ -262,6 +262,28 @@ static void wattcp_outch(char s)
 }
 #endif
 
+#ifdef USE_WINSOCK
+// stupid microsoft makes things complicated
+static inline char *get_WSAErrorStr(int e)
+{
+	char *buf = NULL;
+
+	FormatMessageA(
+		FORMAT_MESSAGE_ALLOCATE_BUFFER |
+		FORMAT_MESSAGE_FROM_SYSTEM |
+		FORMAT_MESSAGE_IGNORE_INSERTS,
+		NULL,
+		(DWORD)e,
+		MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
+		(LPTSTR)&buf,
+		0, NULL);
+
+	return buf;
+}
+#undef strerror
+#define strerror get_WSAErrorStr
+#endif
+
 #ifdef USE_WINSOCK2
 #define inet_ntop inet_ntopA
 #define HAVE_NTOP

From 3b39a25adec80437e56f8a6d886d220786a889f6 Mon Sep 17 00:00:00 2001
From: Monster Iestyn <iestynjealous@ntlworld.com>
Date: Sat, 27 Oct 2018 15:49:04 +0100
Subject: [PATCH 25/31] Save the result of errno (aka WSAGetLastError() for
 WinSock) as soon as possible, to prevent anything in SOCK_GetNodeAddress
 resetting the value to 0 while trying to print the message for the error
 itself!

---
 src/i_tcp.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/i_tcp.c b/src/i_tcp.c
index 9febd56f..6a212786 100644
--- a/src/i_tcp.c
+++ b/src/i_tcp.c
@@ -781,9 +781,13 @@ static void SOCK_Send(void)
 			&clientaddress[doomcom->remotenode].any, d);
 	}
 
-	if (c == ERRSOCKET && errno != ECONNREFUSED && errno != EWOULDBLOCK)
-		I_Error("SOCK_Send, error sending to node %d (%s) #%u: %s", doomcom->remotenode,
-			SOCK_GetNodeAddress(doomcom->remotenode), errno, strerror(errno));
+	if (c == ERRSOCKET)
+	{
+		int e = errno; // save error code so it can't be modified later
+		if (e != ECONNREFUSED && e != EWOULDBLOCK)
+			I_Error("SOCK_Send, error sending to node %d (%s) #%u: %s", doomcom->remotenode,
+				SOCK_GetNodeAddress(doomcom->remotenode), e, strerror(e));
+	}
 }
 #endif
 

From e4e76f83c3e6c4de8ac467667df7daf05d2d9582 Mon Sep 17 00:00:00 2001
From: Monster Iestyn <iestynjealous@ntlworld.com>
Date: Sat, 27 Oct 2018 16:09:14 +0100
Subject: [PATCH 26/31] Use temporary buffer with a max size of 255 bytes
 instead of having Microsoft's FormatMessageA alloc one for us. Also, provide
 a fallback message in case no message was available for some reason

---
 src/i_tcp.c | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/src/i_tcp.c b/src/i_tcp.c
index 6a212786..c054b3a4 100644
--- a/src/i_tcp.c
+++ b/src/i_tcp.c
@@ -266,17 +266,22 @@ static void wattcp_outch(char s)
 // stupid microsoft makes things complicated
 static inline char *get_WSAErrorStr(int e)
 {
-	char *buf = NULL;
+	char buf[256]; // allow up to 255 bytes
+
+	buf[0] = '\0';
 
 	FormatMessageA(
-		FORMAT_MESSAGE_ALLOCATE_BUFFER |
 		FORMAT_MESSAGE_FROM_SYSTEM |
 		FORMAT_MESSAGE_IGNORE_INSERTS,
 		NULL,
 		(DWORD)e,
 		MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
-		(LPTSTR)&buf,
-		0, NULL);
+		(LPTSTR)buf,
+		sizeof (buf),
+		NULL);
+
+	if (!buf[0]) // provide a fallback error message if no message is available for some reason
+		sprintf(buf, "Unknown error");
 
 	return buf;
 }

From bb3d850bbfaf9fe9c333e1c0c4a79706ec878c8c Mon Sep 17 00:00:00 2001
From: Monster Iestyn <iestynjealous@ntlworld.com>
Date: Sat, 27 Oct 2018 16:27:00 +0100
Subject: [PATCH 27/31] static the buffer, forgot to do this earlier

---
 src/i_tcp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/i_tcp.c b/src/i_tcp.c
index c054b3a4..43dba4aa 100644
--- a/src/i_tcp.c
+++ b/src/i_tcp.c
@@ -266,7 +266,7 @@ static void wattcp_outch(char s)
 // stupid microsoft makes things complicated
 static inline char *get_WSAErrorStr(int e)
 {
-	char buf[256]; // allow up to 255 bytes
+	static char buf[256]; // allow up to 255 bytes
 
 	buf[0] = '\0';
 

From 9fb301ecb587ed933f300cc9b65f23f8072e9d57 Mon Sep 17 00:00:00 2001
From: Monster Iestyn <iestynjealous@ntlworld.com>
Date: Sat, 27 Oct 2018 16:47:56 +0100
Subject: [PATCH 28/31] don't bother with inlining the function, on second
 thoughts

---
 src/i_tcp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/i_tcp.c b/src/i_tcp.c
index 43dba4aa..0728c7aa 100644
--- a/src/i_tcp.c
+++ b/src/i_tcp.c
@@ -264,7 +264,7 @@ static void wattcp_outch(char s)
 
 #ifdef USE_WINSOCK
 // stupid microsoft makes things complicated
-static inline char *get_WSAErrorStr(int e)
+static char *get_WSAErrorStr(int e)
 {
 	static char buf[256]; // allow up to 255 bytes
 

From a3bc7ddfa0bca4d52b8de2a7151095ecc6968e04 Mon Sep 17 00:00:00 2001
From: GoldenTails <milestailsprower101n2@gmail.com>
Date: Tue, 6 Nov 2018 18:09:45 -0600
Subject: [PATCH 29/31] Add Lua Ultimate Mode global variable so people can use
 it.

---
 src/dehacked.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/dehacked.c b/src/dehacked.c
index 97e1965e..212715dd 100644
--- a/src/dehacked.c
+++ b/src/dehacked.c
@@ -8217,6 +8217,9 @@ static inline int lib_getenum(lua_State *L)
 	} else if (fastcmp(word,"maptol")) {
 		lua_pushinteger(L, maptol);
 		return 1;
+	} else if (fastcmp(word,"ultimatemode")) {
+		lua_pushboolean(L, ultimatemode != 0);
+		return 1;
 	} else if (fastcmp(word,"mariomode")) {
 		lua_pushboolean(L, mariomode != 0);
 		return 1;

From 82c738ea4b7ee4b1c03de261d26387107da9dd3c Mon Sep 17 00:00:00 2001
From: Monster Iestyn <iestynjealous@ntlworld.com>
Date: Thu, 8 Nov 2018 21:13:58 +0000
Subject: [PATCH 30/31] Remove hasslope, per colette's warning about it
 potentially causing desyncs

---
 src/lua_maplib.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/src/lua_maplib.c b/src/lua_maplib.c
index b59c3c17..37dae5fa 100644
--- a/src/lua_maplib.c
+++ b/src/lua_maplib.c
@@ -46,7 +46,6 @@ enum sector_e {
 	sector_ffloors,
 	sector_fslope,
 	sector_cslope,
-	sector_hasslope
 #else
 	sector_ffloors
 #endif
@@ -69,7 +68,6 @@ static const char *const sector_opt[] = {
 #ifdef ESLOPE
 	"f_slope",
 	"c_slope",
-	"hasslope",
 #endif
 	NULL};
 
@@ -471,9 +469,6 @@ static int sector_get(lua_State *L)
 	case sector_cslope: // c_slope
 		LUA_PushUserdata(L, sector->c_slope, META_SLOPE);
 		return 1;
-	case sector_hasslope: // hasslope
-		lua_pushboolean(L, sector->hasslope);
-		return 1;
 #endif
 	}
 	return 0;
@@ -500,7 +495,6 @@ static int sector_set(lua_State *L)
 #ifdef ESLOPE
 	case sector_fslope: // f_slope
 	case sector_cslope: // c_slope
-	case sector_hasslope: // hasslope
 #endif
 	default:
 		return luaL_error(L, "sector_t field " LUA_QS " cannot be set.", sector_opt[field]);

From 98fd9f8e426e40cc70d6248bf7c5a42bf13f25f1 Mon Sep 17 00:00:00 2001
From: Monster Iestyn <iestynjealous@ntlworld.com>
Date: Thu, 8 Nov 2018 21:22:45 +0000
Subject: [PATCH 31/31] WHY DID I FORGET THIS

---
 src/lua_maplib.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lua_maplib.c b/src/lua_maplib.c
index 37dae5fa..1886d7d1 100644
--- a/src/lua_maplib.c
+++ b/src/lua_maplib.c
@@ -45,7 +45,7 @@ enum sector_e {
 #ifdef ESLOPE
 	sector_ffloors,
 	sector_fslope,
-	sector_cslope,
+	sector_cslope
 #else
 	sector_ffloors
 #endif