From 39ed87570bdb2f86969d4be821c94b722dc71179 Mon Sep 17 00:00:00 2001
From: Joe Ludwig <joe@valvesoftware.com>
Date: Wed, 26 Jun 2013 15:22:04 -0700
Subject: First version of the SOurce SDK 2013

---
 sp/src/utils/vbsp/materialpatch.h | 60 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 60 insertions(+)
 create mode 100644 sp/src/utils/vbsp/materialpatch.h

(limited to 'sp/src/utils/vbsp/materialpatch.h')

diff --git a/sp/src/utils/vbsp/materialpatch.h b/sp/src/utils/vbsp/materialpatch.h
new file mode 100644
index 00000000..334fe013
--- /dev/null
+++ b/sp/src/utils/vbsp/materialpatch.h
@@ -0,0 +1,60 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+
+#ifndef MATERIALPATCH_H
+#define MATERIALPATCH_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "utilmatlib.h"
+
+struct MaterialPatchInfo_t
+{
+	const char *m_pKey;
+	const char *m_pRequiredOriginalValue;  // NULL if you don't require one.
+	const char *m_pValue;
+	MaterialPatchInfo_t()
+	{
+		memset( this, 0, sizeof( *this ) );
+	}
+};
+
+enum MaterialPatchType_t
+{
+	PATCH_INSERT = 0,	// Add the key no matter what
+	PATCH_REPLACE,		// Add the key only if it exists
+};
+
+void CreateMaterialPatch( const char *pOriginalMaterialName, const char *pNewMaterialName,
+						 const char *pNewKey, const char *pNewValue, MaterialPatchType_t nPatchType );
+
+// A version which allows you to use multiple key values
+void CreateMaterialPatch( const char *pOriginalMaterialName, const char *pNewMaterialName,
+						 int nKeys, const MaterialPatchInfo_t *pInfo, MaterialPatchType_t nPatchType );
+
+// This gets a keyvalue from the *unpatched* version of the passed-in material
+bool GetValueFromMaterial( const char *pMaterialName, const char *pKey, char *pValue, int len );
+
+// Gets a keyvalue from a *patched* material
+bool GetValueFromPatchedMaterial( const char *pMaterialName, const char *pKey, char *pValue, int len );
+
+const char *GetOriginalMaterialNameForPatchedMaterial( const char *pPatchMaterialName );
+
+MaterialSystemMaterial_t FindOriginalMaterial( const char *materialName, bool *pFound, bool bComplain = true );
+
+bool DoesMaterialHaveKeyValuePair( const char *pMaterialName, const char *pKeyName, const char *pSearchValue );
+bool DoesMaterialHaveKey( const char *pMaterialName, const char *pKeyName );
+
+enum LoadMaterialKeyValuesFlags_t
+{
+	LOAD_MATERIAL_KEY_VALUES_FLAGS_EXPAND_PATCH = 1,
+};
+
+KeyValues *LoadMaterialKeyValues( const char *pMaterialName, unsigned int nFlags );
+void WriteMaterialKeyValuesToPak( const char *pMaterialName, KeyValues *kv );
+
+#endif // MATERIALPATCH_H
-- 
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