diff --git a/docs/rh-log.txt b/docs/rh-log.txt
index 381269a9be..aac863aa2d 100644
--- a/docs/rh-log.txt
+++ b/docs/rh-log.txt
@@ -1,4 +1,7 @@
-June 2, 2009
+June 5, 2009  (Changes by Graf Zahl)
+- Added Gez's GetArmorType submission
+
+June 2, 2009
 - Swapped snes_spc out for the full Game Music Emu library.
 
 June 2, 2009  (Changes by Graf Zahl)
diff --git a/src/g_shared/a_armor.cpp b/src/g_shared/a_armor.cpp
index 47c15536b5..61605f86fc 100644
--- a/src/g_shared/a_armor.cpp
+++ b/src/g_shared/a_armor.cpp
@@ -22,7 +22,7 @@ IMPLEMENT_CLASS (AHexenArmor)
 void ABasicArmor::Serialize (FArchive &arc)
 {
 	Super::Serialize (arc);
-	arc << SavePercent << BonusCount << MaxAbsorb << MaxFullAbsorb << AbsorbCount;
+	arc << SavePercent << BonusCount << MaxAbsorb << MaxFullAbsorb << AbsorbCount << ArmorType;
 }
 
 //===========================================================================
@@ -77,6 +77,7 @@ AInventory *ABasicArmor::CreateCopy (AActor *other)
 	copy->MaxAmount = MaxAmount;
 	copy->Icon = Icon;
 	copy->BonusCount = BonusCount;
+	copy->ArmorType = ArmorType;
 	GoAwayAndDie ();
 	return copy;
 }
@@ -237,6 +238,7 @@ bool ABasicArmorPickup::Use (bool pickup)
 	armor->Icon = Icon;
 	armor->MaxAbsorb = MaxAbsorb;
 	armor->MaxFullAbsorb = MaxFullAbsorb;
+	armor->ArmorType = this->GetClass()->TypeName;
 	return true;
 }
 
@@ -320,6 +322,7 @@ bool ABasicArmorBonus::Use (bool pickup)
 		armor->Icon = Icon;
 		armor->SavePercent = SavePercent;
 		armor->MaxAbsorb = MaxAbsorb;
+		armor->ArmorType = this->GetClass()->TypeName;
 		armor->MaxFullAbsorb = MaxFullAbsorb;
 	}
 
diff --git a/src/g_shared/a_pickups.h b/src/g_shared/a_pickups.h
index 620db65496..bea7be5338 100644
--- a/src/g_shared/a_pickups.h
+++ b/src/g_shared/a_pickups.h
@@ -379,6 +379,7 @@ public:
 	int MaxAbsorb;
 	int MaxFullAbsorb;
 	int BonusCount;
+	FNameNoInit ArmorType;
 };
 
 // BasicArmorPickup replaces the armor you have.
diff --git a/src/namedef.h b/src/namedef.h
index bb8f9e177a..ee6f4f2078 100644
--- a/src/namedef.h
+++ b/src/namedef.h
@@ -101,6 +101,9 @@ xx(ArtiSuperHealth)
 xx(MedicalKit)
 xx(MedPatch)
 
+// Armor
+xx(BasicArmor)
+
 // The Wings of Wrath
 xx(ArtiFly)
 
diff --git a/src/p_acs.cpp b/src/p_acs.cpp
index f02a2f5e1e..93aa5bb073 100644
--- a/src/p_acs.cpp
+++ b/src/p_acs.cpp
@@ -72,6 +72,8 @@
 #include "m_png.h"
 #include "p_setup.h"
 
+#include "g_shared/a_pickups.h"
+
 extern FILE *Logfile;
 
 FRandom pr_acs ("ACS");
@@ -2799,6 +2801,7 @@ enum EACSFunctions
 	ACSF_GetAirSupply,
 	ACSF_SetAirSupply,
 	ACSF_SetSkyScrollSpeed,
+	ACSF_GetArmorType,
 };
 
 int DLevelScript::SideFromID(int id, int side)
@@ -2942,6 +2945,21 @@ int DLevelScript::CallFunction(int argCount, int funcIndex, SDWORD *args)
 			return 1;
 		}
 
+		case ACSF_GetArmorType:
+		{
+			if (args[1] < 0 || args[1] >= MAXPLAYERS || !playeringame[args[1]])
+			{
+				return 0;
+			}
+			else
+			{
+				FName p(FBehavior::StaticLookupString(args[0]));
+				ABasicArmor * armor = (ABasicArmor *) players[args[1]].mo->FindInventory(NAME_BasicArmor);
+				if (armor->ArmorType == p) return 1;
+			}
+			return 0;
+		}
+
 		default:
 			break;
 	}
diff --git a/src/thingdef/thingdef_codeptr.cpp b/src/thingdef/thingdef_codeptr.cpp
index aad3b29baf..157dcde53a 100644
--- a/src/thingdef/thingdef_codeptr.cpp
+++ b/src/thingdef/thingdef_codeptr.cpp
@@ -524,6 +524,25 @@ DEFINE_ACTION_FUNCTION_PARAMS(AActor, A_JumpIfInTargetInventory)
 	DoJumpIfInventory(self->target, PUSH_PARAMINFO);
 }
 
+//==========================================================================
+//
+// State jump function
+//
+//==========================================================================
+DEFINE_ACTION_FUNCTION_PARAMS(AActor, A_JumpIfArmorType)
+{
+	ACTION_PARAM_START(3);
+	ACTION_PARAM_NAME(Type, 0);
+	ACTION_PARAM_STATE(JumpOffset, 1);
+
+	ACTION_SET_RESULT(false);	// Jumps should never set the result for inventory state chains!
+
+	ABasicArmor * armor = (ABasicArmor *) self->FindInventory(NAME_BasicArmor);
+
+	if (armor && armor->ArmorType == Type)
+		ACTION_JUMP(JumpOffset);
+}
+
 //==========================================================================
 //
 // Parameterized version of A_Explode
diff --git a/src/version.h b/src/version.h
index 999d2446a1..b2a16d8c5a 100644
--- a/src/version.h
+++ b/src/version.h
@@ -75,7 +75,7 @@
 // SAVESIG should match SAVEVER.
 
 // MINSAVEVER is the minimum level snapshot version that can be loaded.
-#define MINSAVEVER 1619
+#define MINSAVEVER 1636
 
 #if SVN_REVISION_NUMBER < MINSAVEVER
 // Never write a savegame with a version lower than what we need
diff --git a/wadsrc/static/actors/actor.txt b/wadsrc/static/actors/actor.txt
index 4dbe55477d..42aea63f68 100644
--- a/wadsrc/static/actors/actor.txt
+++ b/wadsrc/static/actors/actor.txt
@@ -175,6 +175,7 @@ ACTOR Actor native //: Thinker
 	action native A_JumpIfHealthLower(int health, state label);
 	action native A_JumpIfCloser(float distance, state label);
 	action native A_JumpIfInventory(class<Inventory> itemtype, int itemamount, state label);
+	action native A_JumpIfArmorType(string Type, state label);
 	action native A_GiveInventory(class<Inventory> itemtype, int amount = 0);
 	action native A_TakeInventory(class<Inventory> itemtype, int amount = 0);
 	action native A_SpawnItem(class<Actor> itemtype, float distance = 0, float zheight = 0, bool useammo = true, bool transfer_translation = false);