1HEADmaster

1 files changed, 331 insertions, 0 deletions

diff --git a/game/shared/econ/econ_item_factory.cpp b/game/shared/econ/econ_item_factory.cpp
new file mode 100644
index 0000000..426ce85
--- /dev/null
+++ b/game/shared/econ/econ_item_factory.cpp
@@ -0,0 +1,331 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: EconItemFactory: Manages rolling for items requested by the game server
+//
+//=============================================================================
+
+#include "cbase.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+#include "econ/econ_assetapi_context.h"
+
+
+using namespace GCSDK;
+
+//-----------------------------------------------------------------------------
+// Purpose:	Constructor
+//-----------------------------------------------------------------------------
+CEconItemFactory::CEconItemFactory(  )
+	: m_ulNextObjID( 0 )
+	, m_bIsInitialized( false )
+{
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose:	Initializes the item factory and schema. Return false if init failed
+//-----------------------------------------------------------------------------
+bool CEconItemFactory::BYieldingInit()
+{
+	CUtlVector< CUtlString > vecErrors;
+	bool bRet = m_schema.BInit( "scripts/items/unencrypted/items_master.txt", "GAME", &vecErrors );
+
+	FOR_EACH_VEC( vecErrors, nError )
+	{
+		EmitError( SPEW_GC, "%s\n", vecErrors[nError].Get() );
+	}
+
+	static const char *pchMaxIDQuery = "SELECT MAX( ID ) FROM "
+		"( select max(ID) AS ID FROM Item UNION SELECT MAX(ID) AS ID FROM ForeignItem ) as tbl";
+
+	CSQLAccess sqlAccess;
+	if( !sqlAccess.BYieldingExecuteSingleResult<uint64, uint64>( NULL, pchMaxIDQuery, k_EGCSQLType_int64, &m_ulNextObjID, NULL ) )
+	{
+		EmitError( SPEW_GC, "Failed to read max item ID" );
+		return false;
+	}
+	m_ulNextObjID++; // our next ID is one past the current max ID
+
+	m_bIsInitialized = bRet;
+	return bRet;
+}
+
+static const CEconItemQualityDefinition *GetQualityDefinitionForItemCreation( const CItemSelectionCriteria *pOptionalCriteria, const CEconItemDefinition *pItemDef )
+{
+	Assert( pItemDef );
+
+	// Do we have a quality specified? If so, is it a valid quality? If not, we fall back to the
+	// quality specified by the item definition, the schema, etc.
+	uint8 unQuality = k_unItemQuality_Any;
+
+	// Quality specified in generation request via criteria?
+	if ( pOptionalCriteria && pOptionalCriteria->BQualitySet() )
+	{
+		unQuality = pOptionalCriteria->GetQuality();
+	}
+
+	// If not: quality specified in item definition?
+	if ( unQuality == k_unItemQuality_Any )
+	{
+		unQuality = pItemDef->GetQuality();
+	}
+
+	// Final fallback: default quality in schema.
+	if ( unQuality == k_unItemQuality_Any )
+	{
+		unQuality = GetItemSchema()->GetDefaultQuality();
+	}
+
+	AssertMsg( unQuality != k_unItemQuality_Any, "Unable to locate valid quality!" );
+
+	return GetItemSchema()->GetQualityDefinition( unQuality );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:	Creates an item matching the incoming item selection criteria
+// Input:	pItem - Pointer to the item to fill in
+//			criteria - The criteria that the generated item must match
+// Output:	True if a matching item could be generated, false otherwise
+//-----------------------------------------------------------------------------
+CEconItem *CEconItemFactory::CreateRandomItem( const CEconGameAccount *pGameAccount, const CItemSelectionCriteria &criteria )
+{
+	// Find a matching item definition.
+	const CEconItemDefinition *pItemDef = RollItemDefinition( criteria );
+	if ( NULL == pItemDef )
+	{
+		EmitWarning( SPEW_GC, 2, "CEconItemFactory::CreateRandomItem(): Item creation request with no matching definition\n" );
+		return NULL;
+	}
+
+	const CEconItemQualityDefinition *pQualityDef = GetQualityDefinitionForItemCreation( &criteria, pItemDef );
+	if ( NULL == pQualityDef )
+	{
+		EmitWarning( SPEW_GC, 2, "CEconItemFactory::CreateRandomItem(): Item creation request with unknown quality\n" );
+		return NULL;
+	}
+
+	// At this point we have everything that can fail will already have failed, so we can safely
+	// create an item and just move properties over to it.
+	CEconItem *pItem = new CEconItem();
+	pItem->SetItemID( GetNextID() );
+	pItem->SetDefinitionIndex( pItemDef->GetDefinitionIndex() );
+	pItem->SetItemLevel( criteria.BItemLevelSet() ? criteria.GetItemLevel() : pItemDef->RollItemLevel() );
+	pItem->SetQuality( pQualityDef->GetDBValue() );
+	pItem->SetInventoryToken( criteria.GetInitialInventory() );
+	pItem->SetQuantity( criteria.BInitialQuantitySet() ? criteria.GetInitialQuantity() : pItemDef->GetDefaultDropQuantity() );
+	// don't set account ID
+	
+	// Add any custom attributes we need
+	if( !BAddGCGeneratedAttributesToItem( pGameAccount, pItem ) )
+	{
+		delete pItem;
+		EmitWarning( SPEW_GC, 2, "CEconItemFactory::CreateSpecificItem(): Failed to generate attributes\n" );
+		return NULL;
+	}
+
+	return pItem;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:	Creates an item based on a specific item definition index
+// Input:	pItem - Pointer to the item to fill in
+//			unDefinitionIndex - The definition index of the item to create
+// Output:	True if a matching item could be generated, false otherwise
+//-----------------------------------------------------------------------------
+CEconItem *CEconItemFactory::CreateSpecificItem( const CEconGameAccount *pGameAccount, item_definition_index_t unDefinitionIndex )
+{
+	// Find the matching index
+	const CEconItemDefinition *pItemDef = m_schema.GetItemDefinition( unDefinitionIndex );
+	if ( NULL == pItemDef )
+	{
+		EmitWarning( SPEW_GC, 2, "CEconItemFactory::CreateSpecificItem(): Item creation request with no matching definition (def index %u)\n", unDefinitionIndex );
+		return NULL;
+	}
+
+	const CEconItemQualityDefinition *pQualityDef = GetQualityDefinitionForItemCreation( NULL, pItemDef );
+	if ( NULL == pQualityDef )
+	{
+		EmitWarning( SPEW_GC, 2, "CEconItemFactory::CreateSpecificItem(): Item creation request with unknown quality\n" );
+		return NULL;
+	}
+
+	CEconItem *pItem = new CEconItem();
+	if ( pGameAccount != NULL )
+		pItem->SetItemID( GetNextID() );
+	pItem->SetDefinitionIndex( unDefinitionIndex );
+	pItem->SetItemLevel( pItemDef->RollItemLevel() );
+	pItem->SetQuality( pQualityDef->GetDBValue() );
+	// don't set inventory token
+	pItem->SetQuantity( MAX( 1, pItemDef->GetDefaultDropQuantity() ) );
+
+	// Startup test code calls this with a null pGameAccount. 
+	if ( pGameAccount != NULL )
+	{
+		pItem->SetAccountID( pGameAccount->Obj().m_unAccountID );
+
+		// Add any custom attributes we need
+		if( !BAddGCGeneratedAttributesToItem( pGameAccount, pItem ) )
+		{
+			delete pItem;
+			EmitWarning( SPEW_GC, 2, "CEconItemFactory::CreateSpecificItem(): Failed to generate attributes\n" );
+			return NULL;
+		}
+	}
+
+	return pItem;
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose:	Randomly chooses an item definition that matches the criteria
+// Input:	sCriteria - The criteria that the generated item must match
+// Output:	The chosen item definition, or NULL if no item could be selected
+//-----------------------------------------------------------------------------
+const CEconItemDefinition *CEconItemFactory::RollItemDefinition( const CItemSelectionCriteria &criteria ) const
+{
+	// Determine which item templates match the criteria
+	CUtlVector<item_definition_index_t> vecMatches;
+	const CEconItemSchema::ItemDefinitionMap_t &mapDefs = m_schema.GetItemDefinitionMap();
+
+	FOR_EACH_MAP_FAST( mapDefs, i )
+	{
+		if ( criteria.BEvaluate( mapDefs[i] ) )
+		{
+			vecMatches.AddToTail( mapDefs.Key( i ) );
+		}
+	}
+
+	if ( 0 == vecMatches.Count() )
+		return NULL;
+
+	// Choose a random match
+	int iIndex = RandomInt( 0, vecMatches.Count() - 1 );
+	return m_schema.GetItemDefinition( vecMatches[iIndex] );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:	Generates attributes that the item definition insists it always has, but must be generated by the GC
+// Input:	
+//-----------------------------------------------------------------------------
+bool CEconItemFactory::BAddGCGeneratedAttributesToItem( const CEconGameAccount *pGameAccount, CEconItem *pItem ) const
+{
+	const CEconItemDefinition *pDef = m_schema.GetItemDefinition( pItem->GetDefinitionIndex() );
+	if ( !pDef )
+		return false;
+
+	const CUtlVector<static_attrib_t> &vecStaticAttribs = pDef->GetStaticAttributes();
+
+	// Only generate attributes that force the GC to generate them (so they vary per item created)
+	FOR_EACH_VEC( vecStaticAttribs, i )
+	{
+		if ( vecStaticAttribs[i].bForceGCToGenerate )
+		{
+			ApplyStaticAttributeToItem( pItem, vecStaticAttribs[i], pGameAccount );
+		}
+	}
+
+	const IEconTool* pTool = pDef->GetEconTool();
+	if( pTool )
+	{
+		if( !pTool->BGenerateDynamicAttributes( pItem, pGameAccount ) )
+			return false;
+	}
+
+	if ( !pDef->BApplyPropertyGenerators( pItem ) )
+		return false;
+
+	return true;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+void CEconItemFactory::ApplyStaticAttributeToItem( CEconItem *pItem, const static_attrib_t& staticAttrib, const CEconGameAccount *pGameAccount ) const
+{
+	static CSchemaAttributeDefHandle pAttr_ElevateQuality( "elevate quality" );
+	static CSchemaAttributeDefHandle pAttr_ElevateToUnusual( "elevate to unusual if applicable" );
+	
+	static CSchemaAttributeDefHandle pAttr_Particle( "attach particle effect" );
+	static CSchemaAttributeDefHandle pAttr_HatUnusual( "hat only unusual effect" );
+
+	static CSchemaAttributeDefHandle pAttrDef_TauntUnusual( "taunt only unusual effect" );
+	static CSchemaAttributeDefHandle pAttrDef_TauntUnusualAttr( "on taunt attach particle index" );
+
+	const CEconItemAttributeDefinition *pAttrDef = GetItemSchema()->GetAttributeDefinition( staticAttrib.iDefIndex );
+	Assert( pAttrDef );
+
+	// Special-case the elevate-quality attribute.
+	if ( pAttrDef == pAttr_ElevateQuality )
+	{
+		//AssertMsg( CEconItem::GetTypedAttributeType<CSchemaAttributeType_Default>( pAttrDef ), "Elevate quality attribute doesn't have the right type!" );
+		int iQuality = (int)staticAttrib.m_value.asFloat;
+
+		// Do not change the quality of an item to Strange if it is not basic
+		if ( iQuality == AE_STRANGE )
+		{
+			if ( pItem->GetQuality() == AE_UNIQUE || pItem->GetQuality() == AE_PAINTKITWEAPON || pItem->GetQuality() == AE_NORMAL )
+			{
+				pItem->SetQuality( iQuality );
+			}
+			// If the quality is strange, strangify this item
+			StrangifyItemInPlace( pItem );
+		}
+		else
+		{
+			pItem->SetQuality( iQuality );
+		}
+
+		return;
+	}
+	// Special-case to elevate-quality only if item has particles.  This 'attr' needs to be added LAST in a lootlist
+	// Or rather after particles may have been granted
+	else if ( pAttrDef == pAttr_ElevateToUnusual )
+	{
+		// Scan all attributes.
+		if ( pItem->FindAttribute( pAttr_Particle ) || pItem->FindAttribute( pAttrDef_TauntUnusualAttr ) )
+		{
+			pItem->SetQuality( AE_UNUSUAL );
+		}
+		return;
+	}
+	else if ( pAttrDef == pAttr_HatUnusual )
+	{
+		// Ensure the target item is a hat, if it is not bail, if it is setup a particle effect attr (Whole head items are considered 'hats' for purposes of unusuals )
+
+		if ( !(pItem->GetItemDefinition()->GetEquipRegionMask() & GetItemSchema()->GetEquipRegionBitMaskByName( "hat" ) ) 
+		  && !(pItem->GetItemDefinition()->GetEquipRegionMask() & GetItemSchema()->GetEquipRegionBitMaskByName( "whole_head" ) ) 
+		) {
+			// does not match, bail
+			return;
+		}
+			
+		// create a new static attrib
+		static_attrib_t unusualAttr( staticAttrib );
+
+		// load the normal attach effect instead
+		pAttr_Particle->GetAttributeType()->LoadOrGenerateEconAttributeValue( pItem, pAttr_Particle, unusualAttr, pGameAccount );
+		return;
+	}
+	else if ( pAttrDef == pAttrDef_TauntUnusual )
+	{
+		// Ensure the target item is a taunt, if it is not bail
+		if ( pItem->GetItemDefinition()->GetLoadoutSlot( 0 ) != LOADOUT_POSITION_TAUNT )
+		{
+			// does not match, bail
+			CFmtStr fmtStr( "Attempted to put an unusual taunt effect onto item %s, but it's not a taunt!  Check which lootlists it appears in and remove it from any that are trying to unusualize it!", pItem->GetItemDefinition()->GetItemDefinitionName() );
+			EmitError( SPEW_GC, "%s\n", fmtStr.Get() );
+			return;
+		}
+
+		// create a new static attrib
+		static_attrib_t unusualAttr( staticAttrib );
+
+		// load the normal attach effect instead
+		pAttrDef_TauntUnusualAttr->GetAttributeType()->LoadOrGenerateEconAttributeValue( pItem, pAttrDef_TauntUnusualAttr, unusualAttr, pGameAccount );
+		return;
+	}
+
+	// Custom attribute initialization code?
+	pAttrDef->GetAttributeType()->LoadOrGenerateEconAttributeValue( pItem, pAttrDef, staticAttrib, pGameAccount );
+}