From 0024332f34adfbaea543f44fa5ebe62b902aeb09 Mon Sep 17 00:00:00 2001
From: James R <justsomejames2@gmail.com>
Date: Thu, 29 Sep 2022 06:10:53 -0700
Subject: [PATCH] Let relativeteleport work online

Requires all x, y, z arguments. Floats supported.

Old: rteleport -x 1 -y 2 -z 3
New: rteleport 1.1 2.2 3.3
---
 src/d_netcmd.c | 39 ++++++++++++++++++++++++++++++++++
 src/m_cheat.c  | 57 +++++++-------------------------------------------
 src/m_cheat.h  |  1 +
 3 files changed, 47 insertions(+), 50 deletions(-)

diff --git a/src/d_netcmd.c b/src/d_netcmd.c
index e95df4d75..1efae4c43 100644
--- a/src/d_netcmd.c
+++ b/src/d_netcmd.c
@@ -2009,6 +2009,12 @@ void D_Cheat(INT32 playernum, INT32 cheat, ...)
 		case CHEAT_HURT:
 			COPY(WRITEINT32, INT32);
 			break;
+
+		case CHEAT_RELATIVE_TELEPORT:
+			COPY(WRITEFIXED, fixed_t);
+			COPY(WRITEFIXED, fixed_t);
+			COPY(WRITEFIXED, fixed_t);
+			break;
 	}
 
 #undef COPY
@@ -5565,6 +5571,39 @@ static void Got_Cheat(UINT8 **cp, INT32 playernum)
 			break;
 		}
 
+		case CHEAT_RELATIVE_TELEPORT: {
+			fixed_t x = READFIXED(*cp);
+			fixed_t y = READFIXED(*cp);
+			fixed_t z = READFIXED(*cp);
+
+			float f[3] = {
+				FIXED_TO_FLOAT(x),
+				FIXED_TO_FLOAT(y),
+				FIXED_TO_FLOAT(z),
+			};
+			char t[3][9];
+
+			if (!P_MobjWasRemoved(player->mo))
+			{
+				P_MapStart();
+				P_SetOrigin(player->mo,
+						player->mo->x + x,
+						player->mo->y + y,
+						player->mo->z + z);
+				P_MapEnd();
+
+				S_StartSound(player->mo, sfx_mixup);
+			}
+
+			strlcpy(t[0], M_Ftrim(f[0]), sizeof t[0]);
+			strlcpy(t[1], M_Ftrim(f[1]), sizeof t[1]);
+			strlcpy(t[2], M_Ftrim(f[2]), sizeof t[2]);
+
+			CV_CheaterWarning(targetPlayer, va("relative teleport by %d%s, %d%s, %d%s",
+						(int)f[0], t[0], (int)f[1], t[1], (int)f[2], t[2]));
+			break;
+		}
+
 		case NUMBER_OF_CHEATS:
 			break;
 	}
diff --git a/src/m_cheat.c b/src/m_cheat.c
index 70758b864..21e5645fb 100644
--- a/src/m_cheat.c
+++ b/src/m_cheat.c
@@ -306,64 +306,21 @@ void Command_Hurtme_f(void)
 
 void Command_RTeleport_f(void)
 {
-	fixed_t intx, inty, intz;
-	size_t i;
-	player_t *p = &players[consoleplayer];
-	subsector_t *ss;
+	float x = atof(COM_Argv(1));
+	float y = atof(COM_Argv(2));
+	float z = atof(COM_Argv(3));
 
 	REQUIRE_CHEATS;
 	REQUIRE_INLEVEL;
-	REQUIRE_SINGLEPLAYER; // TODO: make multiplayer compatible
 
-	if (COM_Argc() < 3 || COM_Argc() > 7)
+	if (COM_Argc() != 4)
 	{
-		CONS_Printf(M_GetText("rteleport -x <value> -y <value> -z <value>: relative teleport to a location\n"));
+		CONS_Printf(M_GetText("rteleport <x> <y> <z>: relative teleport to a location\n"));
 		return;
 	}
 
-	if (!p->mo)
-		return;
-
-	i = COM_CheckParm("-x");
-	if (i)
-		intx = atoi(COM_Argv(i + 1));
-	else
-		intx = 0;
-
-	i = COM_CheckParm("-y");
-	if (i)
-		inty = atoi(COM_Argv(i + 1));
-	else
-		inty = 0;
-
-	ss = R_PointInSubsectorOrNull(p->mo->x + intx*FRACUNIT, p->mo->y + inty*FRACUNIT);
-	if (!ss || ss->sector->ceilingheight - ss->sector->floorheight < p->mo->height)
-	{
-		CONS_Alert(CONS_NOTICE, M_GetText("Not a valid location.\n"));
-		return;
-	}
-	i = COM_CheckParm("-z");
-	if (i)
-	{
-		intz = atoi(COM_Argv(i + 1));
-		intz <<= FRACBITS;
-		intz += p->mo->z;
-		if (intz < ss->sector->floorheight)
-			intz = ss->sector->floorheight;
-		if (intz > ss->sector->ceilingheight - p->mo->height)
-			intz = ss->sector->ceilingheight - p->mo->height;
-	}
-	else
-		intz = p->mo->z;
-
-	CONS_Printf(M_GetText("Teleporting by %d, %d, %d...\n"), intx, inty, FixedInt((intz-p->mo->z)));
-
-	P_MapStart();
-	if (!P_SetOrigin(p->mo, p->mo->x+intx*FRACUNIT, p->mo->y+inty*FRACUNIT, intz))
-		CONS_Alert(CONS_WARNING, M_GetText("Unable to teleport to that spot!\n"));
-	else
-		S_StartSound(p->mo, sfx_mixup);
-	P_MapEnd();
+	D_Cheat(consoleplayer, CHEAT_RELATIVE_TELEPORT,
+			FLOAT_TO_FIXED(x), FLOAT_TO_FIXED(y), FLOAT_TO_FIXED(z));
 }
 
 void Command_Teleport_f(void)
diff --git a/src/m_cheat.h b/src/m_cheat.h
index e12366b0f..40ff3fe00 100644
--- a/src/m_cheat.h
+++ b/src/m_cheat.h
@@ -27,6 +27,7 @@ typedef enum {
 	CHEAT_SCALE,
 	CHEAT_FLIP,
 	CHEAT_HURT,
+	CHEAT_RELATIVE_TELEPORT,
 
 	NUMBER_OF_CHEATS
 } cheat_t;