From bc0b0e80b51139352699e68b3b16b0e5cf3578a9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jaakko=20Kera=CC=88nen?= <jaakko.keranen@iki.fi>
Date: Thu, 7 Feb 2019 18:06:02 +0200
Subject: [PATCH] Heretic: Whirlwind state when spawning missiles

The special counters were missing when spawning MT_WHIRLWIND via custom methods.

IssueID #2316
---
 doomsday/apps/plugins/common/src/common.cpp   |  6 ++++-
 .../apps/plugins/heretic/include/p_enemy.h    |  1 +
 doomsday/apps/plugins/heretic/src/p_enemy.c   | 22 +++++++++++++------
 3 files changed, 21 insertions(+), 8 deletions(-)

diff --git a/doomsday/apps/plugins/common/src/common.cpp b/doomsday/apps/plugins/common/src/common.cpp
index c9a70d2351..017cf4443d 100644
--- a/doomsday/apps/plugins/common/src/common.cpp
+++ b/doomsday/apps/plugins/common/src/common.cpp
@@ -158,11 +158,15 @@ static de::Value *Function_Thing_SpawnMissile(de::Context &ctx, const de::Functi
 #if defined(__JHERETIC__)
             if (mobj_t *mis = P_SpawnMissile(missileId, src, src->target, true))
             {
-                if (missileId == MT_MUMMYFX1 || missileId == MT_WHIRLWIND)
+                if (missileId == MT_MUMMYFX1)
                 {
                     // Tracer is used to keep track of where the missile is homing.
                     mis->tracer = src->target;
                 }
+                else if (missileId == MT_WHIRLWIND)
+                {
+                    P_InitWhirlwind(mis, src->target);
+                }
             }
 #else
             P_SpawnMissile(missileId, src, src->target);
diff --git a/doomsday/apps/plugins/heretic/include/p_enemy.h b/doomsday/apps/plugins/heretic/include/p_enemy.h
index f25d90b70b..76288168d2 100644
--- a/doomsday/apps/plugins/heretic/include/p_enemy.h
+++ b/doomsday/apps/plugins/heretic/include/p_enemy.h
@@ -40,6 +40,7 @@ void        P_ClearBodyQueue(void);
 int         P_Massacre(void);
 void        P_NoiseAlert(mobj_t* target, mobj_t* emitter);
 int         P_Attack(mobj_t *actor, int meleeDamage, mobjtype_t missileType);
+void        P_InitWhirlwind(mobj_t *whirlwind, mobj_t *target);
 void        P_DSparilTeleport(mobj_t* actor);
 
 #ifdef __cplusplus
diff --git a/doomsday/apps/plugins/heretic/src/p_enemy.c b/doomsday/apps/plugins/heretic/src/p_enemy.c
index 9ebfa51af0..7edb6c3d99 100644
--- a/doomsday/apps/plugins/heretic/src/p_enemy.c
+++ b/doomsday/apps/plugins/heretic/src/p_enemy.c
@@ -1590,11 +1590,15 @@ int P_Attack(mobj_t *actor, int meleeDamage, mobjtype_t missileType)
             mobj_t *mis;
             if ((mis = P_SpawnMissile(missileType, actor, actor->target, true)) != NULL)
             {
-                if (missileType == MT_MUMMYFX1 || missileType == MT_WHIRLWIND)
+                if (missileType == MT_MUMMYFX1)
                 {
                     // Tracer is used to keep track of where the missile is homing.
                     mis->tracer = actor->target;
                 }
+                else if (missileType == MT_WHIRLWIND)
+                {
+                    P_InitWhirlwind(mis, actor->target);
+                }
             }
             return 2;
         }
@@ -1618,6 +1622,15 @@ void C_DECL A_BeastAttack(mobj_t* actor)
     P_SpawnMissile(MT_BEASTBALL, actor, actor->target, true);
 }
 
+void P_InitWhirlwind(mobj_t *whirlwind, mobj_t *target)
+{
+    whirlwind->origin[VZ] -= 32;
+    whirlwind->special1 = 60;
+    whirlwind->special2 = 50; // Timer for active sound.
+    whirlwind->special3 = 20 * TICSPERSEC; // Duration.
+    whirlwind->tracer = target;
+}
+
 void C_DECL A_HeadAttack(mobj_t* actor)
 {
     static int atkResolve1[] = { 50, 150 };
@@ -1686,12 +1699,7 @@ void C_DECL A_HeadAttack(mobj_t* actor)
         // Whirlwind.
         if((mo = P_SpawnMissile(MT_WHIRLWIND, actor, target, true)))
         {
-            mo->origin[VZ] -= 32;
-            mo->tracer = target;
-            mo->special1 = 60;
-            mo->special2 = 50; // Timer for active sound.
-            mo->special3 = 20 * TICSPERSEC; // Duration.
-
+            P_InitWhirlwind(mo, target);
             S_StartSound(SFX_HEDAT3, actor);
         }
     }