trigger_transition: Handle the carrying-over of entity information based on 'globalname'.

src/gs-entbase/server.src

@@ -55,6 +55,7 @@ server/light.qc
 server/logic_auto.qc
 server/logic_relay.qc
 server/logic_timer.qc
+server/logic_case.qc
 server/stubs.qc
 server/infodecal.qc
 server/item_generic.qc
@@ -73,6 +74,7 @@ server/trigger_autosave.qc
 server/trigger_cdaudio.qc
 server/trigger_counter.qc
 server/trigger_hurt.qc
+server/trigger_transition.qc
 server/trigger_changelevel.qc
 server/trigger_endsection.qc
 server/trigger_changetarget.qc
@@ -80,7 +82,6 @@ server/trigger_look.qc
 server/trigger_once.qc
 server/trigger_multiple.qc
 server/trigger_teleport.qc
-server/trigger_transition.qc
 server/trigger_playerfreeze.qc
 server/trigger_relay.qc
 server/env_shooter.qc

src/gs-entbase/server/trigger_changelevel.qc

@@ -96,6 +96,7 @@ public:
 	/* overrides */
 	virtual void Save(float);
 	virtual void Restore(string,string);
+	virtual void RestoreComplete(void);
 	virtual void SpawnKey(string,string);
 	virtual void Spawned(void);
 	virtual void Respawn(void);
@@ -157,6 +158,13 @@ trigger_changelevel::Restore(string strKey, string strValue)
 	}
 }
 
+void
+trigger_changelevel::RestoreComplete(void)
+{
+	super::RestoreComplete();
+	SetSolid(SOLID_TRIGGER);
+}
+
 void
 trigger_changelevel::SpawnKey(string strKey, string strValue)
 {
@@ -250,8 +258,17 @@ trigger_changelevel::Change(void)
 		info_landmark lm = (info_landmark)e;
 		/* found it */
 		if (lm.targetname == m_strLandmark) {
+			trigger_transition t;
 			NSLog("^2trigger_changelevel::^3Change^7: Found landmark for %s", m_strLandmark);
 			g_landmarkpos = m_activator.origin - lm.origin;
+
+			/* time to transition */
+			t = (trigger_transition)find(world, ::targetname, m_strLandmark);
+
+			if (t) {
+				t.SaveTransition();
+			}
+
 			changelevel(m_strMap, m_strLandmark);
 			break;
 		}
@@ -318,3 +335,9 @@ Landmark_GetSpot(void)
 	print(sprintf("^1ERROR^7: Landmark_GetSpot: Cannot find startspot '%s'!\n",startspot));
 	return ips.origin;
 }
+
+vector
+Landmark_GetPosition(void)
+{
+	return g_landmarkpos;
+}

src/gs-entbase/server/trigger_transition.qc

@@ -31,6 +31,9 @@ trigger_transition:NSBrushTrigger
 	void trigger_transition(void);
 	
 	virtual void Respawn(void);
+	nonvirtual void SaveTransition(void);
+	nonvirtual NSEntity FindCarrierEntity(string);
+	nonvirtual void LoadTransition(void);
 };
 
 void
@@ -43,3 +46,109 @@ trigger_transition::Respawn(void)
 {
 	InitBrushTrigger();
 }
+
+void
+trigger_transition::SaveTransition(void)
+{
+	int i = 0i;
+	filestream transFile = fopen("trans.dat", FILE_WRITE);
+
+	if (transFile < 0) {
+		error("Unable to write trans.dat for transitioning.");
+	}
+
+	/* loop through all entities */
+	for (NSEntity a = __NULL__; (a = (NSEntity)findfloat(a, ::identity, 1));) {
+		print(sprintf("TRANSITION: %i %S %S\n", i, a.classname, a.m_strGlobalName));
+
+		if (a == this)
+			continue;
+
+		if (WithinBounds(a) == true) {
+			fputs(transFile, sprintf("ENTITY \"%i\" %S\n", i, a.classname));
+			fputs(transFile, "{\n");
+			a.Save(transFile);
+			fputs(transFile, "}\n");
+		} else if (a.m_strGlobalName) {
+			fputs(transFile, sprintf("CONTINUE \"%i\" %S\n", i, a.m_strGlobalName));
+			fputs(transFile, "{\n");
+			a.Save(transFile);
+			fputs(transFile, "}\n");
+		}
+		i++;
+	}
+
+	fclose(transFile);
+}
+
+NSEntity
+trigger_transition::FindCarrierEntity(string globalName)
+{
+	for (NSEntity a = __NULL__; (a = (NSEntity)findfloat(a, ::identity, 1));) {
+		if (a.m_strGlobalName == globalName) {
+			return a;
+		}
+	}
+	return __NULL__;
+}
+
+vector Landmark_GetPosition(void);
+
+void
+trigger_transition::LoadTransition(void)
+{
+	string lineFeed;
+	bool carryEntity;
+	NSEntity carrierEntity = __NULL__;
+
+	filestream transFile = fopen("trans.dat", FILE_READ);
+
+	if (transFile < 0) {
+		error("this should never happen.");
+	}
+
+	print(sprintf("Found transition file. Will transition over entities.\n"));
+
+	while ((lineFeed = fgets(transFile))) {
+		int c = tokenize(lineFeed);
+
+		/* start of an entity */
+		if (argv(0) == "{") {
+			continue;
+		} else if (argv(0) == "}") {
+			carryEntity = false;
+			carrierEntity = __NULL__;
+			continue;
+		}
+
+		if (c == 3) {
+			if (argv(0) == "CONTINUE") {
+				carrierEntity = FindCarrierEntity(argv(2));
+				carryEntity = true;
+			} else if (argv(0) == "ENTITY") {
+				//carrierEntity = spawn
+				carryEntity = false;
+			}
+		} else if (c == 2) { /* key value pairs */
+			if (carrierEntity) {
+				switch (argv(0)) {
+				case "model":
+				case "modelindex":
+					break;
+#if 0
+				case "origin":
+					vector newOrigin = stov(argv(1)) + Landmark_GetPosition();
+					print(sprintf("Offsetting %S by %v\n", carrierEntity.m_strGlobalName, Landmark_GetPosition()));
+					carrierEntity.Restore("origin", vtos(newOrigin));
+					break;
+#endif
+				default:
+					carrierEntity.Restore(argv(0), argv(1));
+				}
+			}
+		}
+	}
+
+
+	fremove("trans.dat");
+}

src/server/entry.qc

@@ -142,6 +142,11 @@ PutClientInServer(void)
 	if (g_ents_initialized)
 		g_grMode.PlayerSpawn((NSClientPlayer)self);
 
+	/* handle transitions */
+	if (whichpack("data/trans.dat")) {
+		trigger_transition::LoadTransition();
+	}
+
 	Plugin_PlayerEntered((NSClientPlayer)self);
 
 	/* activate all game_playerspawn entities */
@@ -364,6 +369,7 @@ init_respawn(void)
 	}
 
 	print(sprintf("...%i entities spawned (%i inhibited)\n", g_ent_spawned, g_ent_spawned - endspawn));
+
 	remove(self);
 }