game: Add target_sky and target_music

Based on code https://github.com/id-Software/quake2-rerelease-dll.git

Required to stop sky rotation.

src/game/g_spawn.c

@@ -93,6 +93,8 @@ void SP_target_laser(edict_t *self);
 void SP_target_help(edict_t *ent);
 void SP_target_lightramp(edict_t *self);
 void SP_target_earthquake(edict_t *ent);
+void SP_target_music(edict_t *ent);
+void SP_target_sky(edict_t *ent);
 void SP_target_character(edict_t *ent);
 void SP_target_string(edict_t *ent);
 
@@ -269,6 +271,8 @@ static spawn_t spawns[] = {
 	{"target_help", SP_target_help},
 	{"target_lightramp", SP_target_lightramp},
 	{"target_earthquake", SP_target_earthquake},
+	{"target_music", SP_target_music},
+	{"target_sky", SP_target_sky},
 	{"target_character", SP_target_character},
 	{"target_string", SP_target_string},
 	{"target_mal_laser", SP_target_mal_laser},

src/game/g_target.c

@@ -1423,3 +1423,70 @@ SP_target_earthquake(edict_t *self)
 		self->noise_index = gi.soundindex("world/quake.wav");
 	}
 }
+
+void
+target_music_use(edict_t *self, edict_t *other, edict_t *activator)
+{
+	if (!self)
+	{
+		return;
+	}
+
+	gi.configstring(CS_CDTRACK, va("%i", self->sounds));
+}
+
+void
+SP_target_music(edict_t* self)
+{
+	if (!self)
+	{
+		return;
+	}
+
+	self->use = target_music_use;
+}
+
+void
+target_sky_use(edict_t *self, edict_t *other, edict_t *activator)
+{
+	float rotate;
+	int32_t autorotate;
+
+
+	if (!self)
+	{
+		return;
+	}
+
+	if (self->map && self->map[0])
+	{
+		gi.configstring(CS_SKY, self->map);
+	}
+
+	rotate = self->accel;
+	autorotate = self->style;
+	gi.configstring(CS_SKYROTATE, va("%f %d", rotate, autorotate));
+
+	gi.configstring(CS_SKYAXIS, va("%f %f %f",
+		self->movedir[0], self->movedir[1], self->movedir[2]));
+}
+
+void
+SP_target_sky(edict_t* self)
+{
+	if (!self)
+	{
+		return;
+	}
+
+	self->use = target_sky_use;
+
+	if (st.sky && st.sky[0])
+	{
+		self->map = st.sky;
+	}
+
+	VectorCopy(st.skyaxis, self->movedir);
+	self->accel = st.skyrotate;
+	self->style = st.skyautorotate;
+}

src/game/savegame/tables/gamefunc_decs.h

@@ -1120,6 +1120,10 @@ extern void InitTrigger ( edict_t * self ) ;
 extern void SP_target_earthquake ( edict_t * self ) ;
 extern void target_earthquake_use ( edict_t * self , edict_t * other , edict_t * activator ) ;
 extern void target_earthquake_think ( edict_t * self ) ;
+extern void SP_target_sky ( edict_t * self ) ;
+extern void target_sky_use ( edict_t * self , edict_t * other , edict_t * activator ) ;
+extern void SP_target_music ( edict_t * self ) ;
+extern void target_music_use ( edict_t * self , edict_t * other , edict_t * activator ) ;
 extern void SP_target_lightramp ( edict_t * self ) ;
 extern void target_lightramp_use ( edict_t * self , edict_t * other , edict_t * activator ) ;
 extern void target_lightramp_think ( edict_t * self ) ;

src/game/savegame/tables/gamefunc_list.h

@@ -1122,6 +1122,10 @@
 {"SP_target_earthquake", (byte *)SP_target_earthquake},
 {"target_earthquake_use", (byte *)target_earthquake_use},
 {"target_earthquake_think", (byte *)target_earthquake_think},
+{"SP_target_music", (byte *)SP_target_music},
+{"target_music_use", (byte *)target_music_use},
+{"SP_target_sky", (byte *)SP_target_sky},
+{"target_sky_use", (byte *)target_sky_use},
 {"SP_target_lightramp", (byte *)SP_target_lightramp},
 {"target_lightramp_use", (byte *)target_lightramp_use},
 {"target_lightramp_think", (byte *)target_lightramp_think},