classes.h

/**
 * vim: set ts=4 :
 * =============================================================================
 * SourceMod P Tools and Hooks Extension
 * Copyright (C) 2004-2016 AlliedModders LLC.  All rights reserved.
 * =============================================================================
 *
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, version 3.0, as published by the
 * Free Software Foundation.
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * As a special exception, AlliedModders LLC gives you permission to link the
 * code of this program (as well as its derivative works) to "Half-Life 2," the
 * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
 * by the Valve Corporation.  You must obey the GNU General Public License in
 * all respects for all other code used.  Additionally, AlliedModders LLC grants
 * this exception to all derivative works.  AlliedModders LLC defines further
 * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
 * or <http://www.sourcemod.net/license.php>.
 *
 * Version: $Id$
 */
class CEconItemAttributeDefinition;
class CAttribute_String;

enum EStickerAttributeType 
{ 
    StickerID,
    WearProgress,
    PatternScale,
    PatternRotation 
};

class CEconItemDefinition
{
public:
	uint16_t GetDefinitionIndex();
	int GetLoadoutSlot(int iTeam);
	int GetNumSupportedStickerSlots();
	char *GetClassName();
};

class CEconItemSchema
{
private:
	void *pSchema = nullptr;
public:
	CEconItemSchema();
	CEconItemDefinition *GetItemDefinitionByName(const char *classname);
	CEconItemDefinition *GetItemDefinitionByDefIndex(uint16_t DefIndex);
	
	CEconItemAttributeDefinition *GetAttributeDefinitionByDefIndex(uint16_t DefIndex);
};

class IEconItemAttributeIterator
{
public:
	virtual ~IEconItemAttributeIterator() {	};
	virtual bool OnIterateAttributeValue(CEconItemAttributeDefinition const*, unsigned int) = 0;
	virtual bool OnIterateAttributeValue(CEconItemAttributeDefinition const*, float) = 0;
	virtual bool OnIterateAttributeValue(CEconItemAttributeDefinition const*, CAttribute_String const&) = 0;
	virtual bool OnIterateAttributeValue(CEconItemAttributeDefinition const*, Vector const&) = 0;
};

class CEconItemView
{
public:
	int GetCustomPaintKitIndex();
	int GetCustomPaintKitSeed();
	float GetCustomPaintKitWear(float def);
	float GetStickerAttributeBySlotIndexFloat(int slot, EStickerAttributeType StickerAttribut, float def);
	int GetStickerAttributeBySlotIndexInt(int slot, EStickerAttributeType StickerAttribut, int def);
	bool IsTradable();
	bool IsMarketable();
	CEconItemDefinition *GetItemDefinition();
	int GetAccountID();
	int GetQuality();
	int GetRarity();
	int GetFlags();
	int GetOrigin();
	char *GetCustomName();
	int GetKillEaterValue();
	
	void IterateAttributes(IEconItemAttributeIterator *AttributeIterator);
};

class IEconItemUntypedAttributeIterator : public IEconItemAttributeIterator
{
public:
	virtual bool OnIterateAttributeValue(CEconItemAttributeDefinition const*, unsigned int);
	virtual bool OnIterateAttributeValue(CEconItemAttributeDefinition const*, float);
	virtual bool OnIterateAttributeValue(CEconItemAttributeDefinition const*, CAttribute_String const&);
	virtual bool OnIterateAttributeValue(CEconItemAttributeDefinition const*, Vector const&);
	virtual bool OnIterateAttributeValueUntyped(CEconItemAttributeDefinition const*) = 0;
};

class CAttributeIterator_HasAttribute : public IEconItemUntypedAttributeIterator
{
public:
	CAttributeIterator_HasAttribute(CEconItemAttributeDefinition const*);
	virtual bool OnIterateAttributeValueUntyped(CEconItemAttributeDefinition const*);

	CEconItemAttributeDefinition const *m_pItemAttrDef;
	bool m_found;
};

class CAttributeIterator_GetTypedAttributeValueBase : public IEconItemAttributeIterator
{
public:
	virtual bool OnIterateAttributeValue(CEconItemAttributeDefinition const*, unsigned int) { return true; }
	virtual bool OnIterateAttributeValue(CEconItemAttributeDefinition const*, float) { return true; }
	virtual bool OnIterateAttributeValue(CEconItemAttributeDefinition const*, CAttribute_String const&) { return true; }
	virtual bool OnIterateAttributeValue(CEconItemAttributeDefinition const*, Vector const&) { return true; }
};

template <class A, class B> class CAttributeIterator_GetTypedAttributeValue : public CAttributeIterator_GetTypedAttributeValueBase
{
public:
	CAttributeIterator_GetTypedAttributeValue(CEconItemAttributeDefinition const *pItemAttrDef, B *value)
		: m_pItemAttrDef(pItemAttrDef), m_value(value), m_found(false)
	{
	}
	virtual bool OnIterateAttributeValue(CEconItemAttributeDefinition const *pItemAttrDef, A value)
	{
		if (m_pItemAttrDef == pItemAttrDef)
		{
			m_found = true;
			*m_value = (B)value;
		}
		return !m_found;
	}

	CEconItemAttributeDefinition const *m_pItemAttrDef;
	B *m_value;
	bool m_found;
};


extern CEconItemSchema *g_pCEconItemSchema;