Add TF2Econ_IsItemInBaseSet native (#12)

Author: FortyTwoFortyTwo

gamedata/tf2.econ_data.txt

@@ -138,6 +138,12 @@
 				"linux"		"220"
 				"windows"	"220"
 			}
+			"CEconItemDefinition::m_bBaseItem"
+			{
+				// x-ref "baseitem" in CEconItemDefinition::BInitFromKV()
+				"linux"		"230"
+				"windows"	"230"
+			}
 			"CEconItemDefinition::m_bitsEquipRegionGroups"
 			{
 				// result of CEconItemSchema::GetEquipRegionBitMaskByName() call

scripting/include/tf_econ_data.inc

@@ -44,6 +44,11 @@ typedef ItemFilterCriteria = function bool(int itemdef, any data);
  */
 native bool TF2Econ_IsValidItemDefinition(int itemdef);
 
+/**
+ * Returns true if item is in base set (corresponds to the "baseitem" key).
+ */
+native bool TF2Econ_IsItemInBaseSet(int itemdef);
+
 /**
  * Returns the item's name (corresponds to the "name" key).
  */

scripting/tf_econ_data.sp

@@ -53,6 +53,7 @@ public APLRes AskPluginLoad2(Handle self, bool late, char[] error, int maxlen) {
 
 	// item information
 	CreateNative("TF2Econ_IsValidItemDefinition", Native_IsValidItemDefinition);
+	CreateNative("TF2Econ_IsItemInBaseSet", Native_IsItemInBaseSet);
 	CreateNative("TF2Econ_GetItemName", Native_GetItemName);
 	CreateNative("TF2Econ_GetLocalizedItemName", Native_GetLocalizedItemName);
 	CreateNative("TF2Econ_GetItemClassName", Native_GetItemClassName);
@@ -219,6 +220,8 @@ public void OnPluginStart() {
 			GameConfGetAddressOffset(hGameConf, "CEconItemDefinition::m_pszItemClassname");
 	offs_CEconItemDefinition_pszItemName =
 			GameConfGetAddressOffset(hGameConf, "CEconItemDefinition::m_pszItemName");
+	offs_CEconItemDefinition_bBaseItem =
+			GameConfGetAddressOffset(hGameConf, "CEconItemDefinition::m_bBaseItem");
 	offs_CEconItemDefinition_bitsEquipRegionGroups =
 			GameConfGetAddressOffset(hGameConf, "CEconItemDefinition::m_bitsEquipRegionGroups");
 	offs_CEconItemDefinition_bitsEquipRegionConflicts =

scripting/tf_econ_data/item_definition.sp

@@ -11,6 +11,7 @@ Address offs_CEconItemDefinition_pKeyValues,
 		offs_CEconItemDefinition_pszLocalizedItemName,
 		offs_CEconItemDefinition_pszItemClassname,
 		offs_CEconItemDefinition_pszItemName,
+		offs_CEconItemDefinition_bBaseItem,
 		offs_CEconItemDefinition_bitsEquipRegionGroups,
 		offs_CEconItemDefinition_bitsEquipRegionConflicts;
 Address offs_CEconItemDefinition_aiItemSlot,
@@ -278,6 +279,21 @@ public int Native_GetItemDefinitionString(Handle hPlugin, int nParams) {
 	return !!buffer[0];
 }
 
+/**
+ * native int(int itemdef);
+ * 
+ * Returns whenever item is in base set, false if the item definition does not exist.
+ */
+public int Native_IsItemInBaseSet(Handle hPlugin, int nParams) {
+	int defindex = GetNativeCell(1);
+	Address pItemDef = GetEconItemDefinition(defindex);
+	if (!pItemDef) {
+		return false;
+	}
+	return !!LoadFromAddress(pItemDef + offs_CEconItemDefinition_bBaseItem,
+			NumberType_Int8);
+}
+
 /**
  * native bool(int itemdef);
  *