* This should fix bug #3470 (InvAdd failed - could not add 1 item...)

* Introduces CL_InvDelTime to ensure the InvDel events are properly scheduled
  in relation with the corresponding InvAdd events.

src/client/battlescape/events/e_main.cpp

@@ -120,7 +120,7 @@ const eventRegister_t events[] = {
 	{E(EV_ACTOR_WOUND), "sbbb", CL_ActorWound, nullptr, nullptr},
 
 	{E(EV_INV_ADD), "s*", CL_InvAdd, CL_InvAddTime, CL_CheckDefault},
-	{E(EV_INV_DEL), "sbbb", CL_InvDel, nullptr, CL_CheckDefault},
+	{E(EV_INV_DEL), "sbbb", CL_InvDel, CL_InvDelTime, CL_CheckDefault},
 	{E(EV_INV_AMMO), "sbbbbb", CL_InvAmmo, nullptr, nullptr},
 	{E(EV_INV_RELOAD), "sbbbbb", CL_InvReload, CL_InvReloadTime, nullptr},
 	/** @sa G_ReadItem, G_WriteItem */

src/client/battlescape/events/event/inventory/e_event_invdel.cpp

@@ -27,6 +27,20 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 #include "../../../cl_localentity.h"
 #include "e_event_invdel.h"
 
+/**
+ * @brief Decides if following events should be delayed.
+ */
+int CL_InvDelTime (const struct eventRegister_s *self, dbuffer *msg, eventTiming_t *eventTiming)
+{
+	if (eventTiming->parsedDeath) { /* drop items after death (caused by impact) */
+		return eventTiming->impactTime + 400;
+	} else if (eventTiming->impactTime > cl.time) { /* item thrown on the ground */
+		return eventTiming->impactTime + 75;
+	}
+
+	return eventTiming->nextTime;
+}
+
 /**
  * @sa CL_InvAdd
  */

src/client/battlescape/events/event/inventory/e_event_invdel.h

@@ -26,4 +26,5 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
 #include "../../e_main.h"
 
+int CL_InvDelTime(const struct eventRegister_s *self, dbuffer *msg, eventTiming_t *eventTiming);
 void CL_InvDel(const eventRegister_t *self, dbuffer *msg);