From fb17c1ac5ac9769015155b8ff1531360e528a363 Mon Sep 17 00:00:00 2001
From: Monster Iestyn <iestynjealous@ntlworld.com>
Date: Thu, 2 May 2019 19:09:40 +0100
Subject: [PATCH] Hardcoded A_Boss5CheckOnGround

---
 src/dehacked.c |  1 +
 src/info.h     |  1 +
 src/p_enemy.c  | 33 +++++++++++++++++++++++++++++++++
 3 files changed, 35 insertions(+)

diff --git a/src/dehacked.c b/src/dehacked.c
index 0bbeaa4b2..5cec3dfca 100644
--- a/src/dehacked.c
+++ b/src/dehacked.c
@@ -2226,6 +2226,7 @@ static actionpointer_t actionpointers[] =
 	{{A_CryingToMomma},          "A_CRYINGTOMOMMA"},
 	{{A_CheckFlags2},            "A_CHECKFLAGS2"},
 	{{A_DoNPCPain},              "A_DONPCPAIN"},
+	{{A_Boss5CheckOnGround},     "A_BOSS5CHECKONGROUND"},
 
 	{{NULL},                   "NONE"},
 
diff --git a/src/info.h b/src/info.h
index 58eebb24e..1a4446f80 100644
--- a/src/info.h
+++ b/src/info.h
@@ -240,6 +240,7 @@ void A_ParentTriesToSleep();
 void A_CryingToMomma();
 void A_CheckFlags2();
 void A_DoNPCPain();
+void A_Boss5CheckOnGround();
 
 // ratio of states to sprites to mobj types is roughly 6 : 1 : 1
 #define NUMMOBJFREESLOTS 256
diff --git a/src/p_enemy.c b/src/p_enemy.c
index 177d37e86..099f87bc1 100644
--- a/src/p_enemy.c
+++ b/src/p_enemy.c
@@ -267,6 +267,7 @@ void A_ParentTriesToSleep(mobj_t *actor);
 void A_CryingToMomma(mobj_t *actor);
 void A_CheckFlags2(mobj_t *actor);
 void A_DoNPCPain(mobj_t *actor);
+void A_Boss5CheckOnGround(mobj_t *actor);
 //for p_enemy.c
 
 //
@@ -11910,3 +11911,35 @@ void A_DoNPCPain(mobj_t *actor)
 	P_SetObjectMomZ(actor, vspeed, false);
 	P_InstaThrust(actor, actor->angle, -hspeed);
 }
+
+// Function: A_Boss5CheckOnGround
+//
+// Description: Ground checker.
+//
+// var1 = state to change to upon hitting ground.
+// var2 = state to change to upon hitting ground if health == pinchhealth, assuming it exists
+//
+void A_Boss5CheckOnGround(mobj_t *actor)
+{
+	INT32 locvar1 = var1;
+	INT32 locvar2 = var2;
+#ifdef HAVE_BLUA
+	if (LUA_CallAction("A_Boss5CheckOnGround", actor))
+		return;
+#endif
+
+	if ((!(actor->eflags & MFE_VERTICALFLIP) && actor->z <= actor->floorz)
+	|| (actor->eflags & MFE_VERTICALFLIP && actor->z + actor->height >= actor->ceilingz))
+	{
+		if (locvar2 && (!actor->health || (actor->health == actor->info->damage && !(actor->flags2 & MF2_STRONGBOX))))
+			P_SetMobjState(actor, locvar2);
+		else
+			P_SetMobjState(actor, locvar1);
+	}
+
+	if (actor->tracer && P_AproxDistance(actor->tracer->x - actor->x, actor->tracer->y - actor->y) < 2*actor->radius)
+	{
+		actor->momx = (4*actor->momx)/5;
+		actor->momy = (4*actor->momy)/5;
+	}
+}