GS-EntBase: func_ladder moved into shared/, will now avoid networking

entirely if it can be avoided.

src/gs-entbase/server.src

@@ -41,7 +41,6 @@ server/func_brush.qc
 server/func_door.qc
 server/func_door_rotating.qc
 server/func_lod.qc
-server/func_ladder.qc
 server/func_train.qc
 server/func_guntarget.qc
 server/func_tracktrain.qc

src/gs-entbase/server/func_ladder.qc

@@ -1,41 +0,0 @@
-/*
- * Copyright (c) 2016-2020 Marco Hladik <marco@icculus.org>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
- * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
- * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-/*QUAKED func_ladder (0 .5 .8) ?
-"targetname"    Name
-
-Ladder volume. Climb up ladders with this one simple brush.
-
-Trivia:
-This entity was introduced in Half-Life (1998).
-*/
-
-class func_ladder:CBaseEntity
-{
-	virtual void(void) Respawn;
-};
-
-void func_ladder::Respawn(void)
-{
-	SetModel(m_oldModel);
-	SetMovetype(MOVETYPE_NONE);
-	SetSkin(CONTENT_LADDER);
-	SetSolid(SOLID_BSP);
-
-#ifdef GS_RENDERFX
-	SetRenderMode(RM_TRIGGER);
-#endif
-}

src/gs-entbase/shared.src

@@ -10,6 +10,7 @@ shared/env_projectedtexture.qc
 shared/light_dynamic.qc
 shared/func_monitor.qc
 shared/func_illusionary.qc
+shared/func_ladder.qc
 shared/func_wall.qc
 shared/trigger_camera.qc
 shared/trigger_gravity.qc

src/gs-entbase/shared/func_ladder.qc

@@ -0,0 +1,139 @@
+/*
+ * Copyright (c) 2016-2021 Marco Hladik <marco@icculus.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
+ * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+ * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*QUAKED func_ladder (0 .5 .8) ?
+"targetname"    Name
+
+Ladder volume. Climb up ladders with this one simple brush.
+
+Trivia:
+This entity was introduced in Half-Life (1998).
+*/
+
+class
+#ifdef CLIENT
+func_ladder:CBaseEntity
+#else
+func_ladder:CBaseTrigger
+#endif
+{
+	void(void) func_ladder;
+
+#ifdef SERVER
+	virtual void(void) Respawn;
+	virtual float(entity, float) SendEntity;
+	virtual void(entity, int) Trigger;
+#else
+	virtual float() predraw;
+	virtual void(void) Init;
+#endif
+};
+
+#ifdef SERVER
+/* we're overriding SendEntity so that we don't network func_walls
+ * without a targetname. They'll never experience gameplay changes
+ * and therefore can be handled fully client-side */
+float
+func_ladder::SendEntity(entity pvsent, float fl)
+{
+	if (targetname)
+		return CBaseTrigger::SendEntity(pvsent, fl);
+	else
+		return (0);
+}
+
+void
+func_ladder::Trigger(entity act, int state)
+{
+	switch (state) {
+	case TRIG_OFF:
+		SetFrame(0);
+		break;
+	case TRIG_ON:
+		SetFrame(1);
+		break;
+	default:
+		SetFrame(1 - frame);
+	}
+}
+
+void
+func_ladder::Respawn(void)
+{
+	/* reset the visual parameters */
+	CBaseEntity::Respawn();
+
+	/* func_ladder specifics */
+	SetAngles([0,0,0]);
+	SetMovetype(MOVETYPE_NONE);
+	SetSolid(SOLID_BSP);
+	SetSkin(CONTENT_LADDER);
+	SetModel(m_oldModel);
+	SetOrigin(m_oldOrigin);
+	SetFrame(0);
+#ifdef GS_RENDERFX
+	SetRenderMode(RM_TRIGGER);
+#endif
+}
+#else
+float
+func_ladder::predraw(void)
+{
+	vector vecPlayer;
+
+	int s = (float)getproperty(VF_ACTIVESEAT);
+	pSeat = &g_seats[s];
+	vecPlayer = pSeat->m_vecPredictedOrigin;
+
+	if (checkpvs(vecPlayer, this) == FALSE) {
+		return (PREDRAW_NEXT);
+	}
+
+	CBaseEntity::predraw();
+	addentity(self);
+	return (PREDRAW_NEXT);
+}
+
+void
+func_ladder::Init(void)
+{
+	CBaseEntity::Init();
+
+	/* this entity is being controlled by the server, remove it */
+	if (targetname) {
+		think = Util_Destroy;
+		nextthink = time + 0.01f; /* time may be 0.0 */
+		return;
+	}
+
+	precache_model(model);
+	setmodel(this, model);
+	setorigin(this, origin);
+	movetype = MOVETYPE_NONE;
+	solid = SOLID_BSP;
+	skin = CONTENT_LADDER;
+}
+#endif
+
+void
+func_ladder::func_ladder(void)
+{
+#ifdef CLIENT
+	Init();
+#else
+	CBaseTrigger::CBaseTrigger();
+#endif
+}