syndwarsfx: Remade but kept disabled person_hit_by_bullet()

Few functions were routed through C to allow the remade
code to work.

Author: mefistotelis

conf/wrappers_game.conf

@@ -188,9 +188,12 @@ init_laser_guided		W	v	pi
 init_fire_weapon		W	v	p
 init_laser_elec			W	v	pi
 init_v_rocket			W	v	p
+init_recoil				W	v	piiii
+init_mgun_explode		W	v	p
 laser_hit_at			W	i	iiipppp
 mech_unkn_func_05		W	v	iii
 init_mech_rocket		W	v	ppiii
+init_mech_explode		W	v	p
 bul_hit_vector			W	v	iiiiii
 person_hit_by_bullet	W	i	piiiipi
 start_goto_vehicle		W	i	pii
@@ -309,6 +312,8 @@ thing_shoot_at_thing	W	v	pi
 person_self_destruct	W	v	p
 unkn_player_group_add	W	v	ii
 unkn_player_group_prot	W	v	ii
+set_interrupt_target	W	v	pp
+find_and_alert_guardian	W	i	pp
 player_chat_message_add_key	W	v	ii
 can_i_see_building		W	i	ppii
 limit_mood				W	i	pi

src/building.c

@@ -448,6 +448,14 @@ void collapse_building_station(struct Thing *p_building)
     }
 }
 
+void init_mgun_explode(struct Thing *p_thing)
+{
+    asm volatile (
+      "call ASM_init_mgun_explode\n"
+        :  : "a" (p_thing));
+    return;
+}
+
 void collapse_building(short x, short y, short z, struct Thing *p_building)
 {
 #if 0

src/building.h

@@ -132,6 +132,8 @@ TbBool building_can_transform_open(ThingIdx bldng);
 
 struct Thing *create_building_thing(int x, int y, int z, ushort a4, ushort a5, ushort a6);
 
+void init_mgun_explode(struct Thing *p_thing);
+
 void collapse_building(short x, short y, short z, struct Thing *p_building);
 
 void process_building(struct Thing *p_building);