random_trigger: Initial implementation. Triggers its target after a random albeit roughly defined interval

src/gs-entbase/server.src

@@ -86,6 +86,7 @@ server/monster_generic.cpp
 server/monstermaker.cpp
 server/multisource.cpp
 server/random_speaker.cpp
+server/random_trigger.cpp
 server/scripted_sentence.cpp
 server/scripted_sequence.cpp
 #endlist

src/gs-entbase/server/random_trigger.cpp

@@ -0,0 +1,88 @@
+/*
+ * 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 random_trigger (1 0 0) (-8 -8 -8) (8 8 8)
+"targetname"    Name
+"target"        Target when triggered
+"killtarget"    Target to kill when triggered
+"start_state"   Start state (either 0 or 1)
+"wait"          Minimum time
+"random_min"    Minimum added random time
+"random_max"    Maximum added random time
+
+When triggered, it'll calculate some random interval until it triggers
+its targets, based on some limits given.
+
+Trivia:
+It was introduced in Gunman Chronicles.
+*/
+
+class random_trigger:CBaseTrigger
+{
+	float m_flMinTime;
+	float m_flRandMin;
+	float m_flRandMax;
+	int m_iStartState;
+
+	void(void) random_trigger;
+
+	virtual void(entity,int) Trigger;
+	virtual void(void) Respawn;
+};
+
+void
+random_trigger::Trigger(entity act, int state)
+{
+	float r;
+
+	if (GetMaster() == FALSE)
+		return;
+
+	r = time + m_flMinTime + random(m_flRandMin, m_flRandMax);
+	CBaseTrigger::UseTargets_Delay(other, TRIG_TOGGLE, r);
+}
+
+void
+random_trigger::Respawn(void)
+{
+	if (m_iStartState == 1)
+		Trigger(this, TRIG_ON);
+}
+
+void
+random_trigger::random_trigger(void)
+{
+	for (int i = 1; i < (tokenize(__fullspawndata) - 1); i += 2) {
+		switch (argv(i)) {
+		case "start_state":
+			m_iStartState = stoi(argv(i+1));
+			break;
+		case "wait":
+			m_flMinTime = stof(argv(i+1));
+			break;
+		case "random_min":
+			m_flRandMin = stof(argv(i+1));
+			break;
+		case "random_max":
+			m_flRandMax = stof(argv(i+1));
+			break;
+		default:
+			break;
+		}
+	}
+
+	CBaseTrigger::CBaseTrigger();
+}