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

---
 mp/src/utils/common/map_shared.cpp | 136 +++++++++++++++++++++++++++++++++++++
 1 file changed, 136 insertions(+)
 create mode 100644 mp/src/utils/common/map_shared.cpp

(limited to 'mp/src/utils/common/map_shared.cpp')

diff --git a/mp/src/utils/common/map_shared.cpp b/mp/src/utils/common/map_shared.cpp
new file mode 100644
index 00000000..f1e970c0
--- /dev/null
+++ b/mp/src/utils/common/map_shared.cpp
@@ -0,0 +1,136 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#include "map_shared.h"
+#include "bsplib.h"
+#include "cmdlib.h"
+
+
+CMapError g_MapError;
+int g_nMapFileVersion;
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  : *szKey - 
+//			*szValue - 
+//			*pLoadEntity - 
+// Output : ChunkFileResult_t
+//-----------------------------------------------------------------------------
+ChunkFileResult_t LoadEntityKeyCallback(const char *szKey, const char *szValue, LoadEntity_t *pLoadEntity)
+{
+	if (!stricmp(szKey, "classname"))
+	{
+		if (!stricmp(szValue, "func_detail"))
+		{
+			pLoadEntity->nBaseContents = CONTENTS_DETAIL;
+		}
+		else if (!stricmp(szValue, "func_ladder"))
+		{
+			pLoadEntity->nBaseContents = CONTENTS_LADDER;
+		}
+		else if (!stricmp(szValue, "func_water"))
+		{
+			pLoadEntity->nBaseContents = CONTENTS_WATER;
+		}
+	}
+	else if (!stricmp(szKey, "id"))
+	{
+		// UNDONE: flag entity errors by ID instead of index
+		//g_MapError.EntityState( atoi( szValue ) );
+		// rename this field since DME code uses this name
+		SetKeyValue( pLoadEntity->pEntity, "hammerid", szValue );
+		return(ChunkFile_Ok);
+	}
+	else if( !stricmp( szKey, "mapversion" ) )
+	{
+		// .vmf map revision number
+		g_MapRevision = atoi( szValue );
+		SetKeyValue( pLoadEntity->pEntity, szKey, szValue );
+		return ( ChunkFile_Ok );
+	}
+
+	SetKeyValue( pLoadEntity->pEntity, szKey, szValue );
+
+	return(ChunkFile_Ok);
+}
+
+
+static ChunkFileResult_t LoadEntityCallback( CChunkFile *pFile, int nParam )
+{
+	if (num_entities == MAX_MAP_ENTITIES)
+	{
+		// Exits.
+		g_MapError.ReportError ("num_entities == MAX_MAP_ENTITIES");
+	}
+
+	entity_t *mapent = &entities[num_entities];
+	num_entities++;
+	memset(mapent, 0, sizeof(*mapent));
+	mapent->numbrushes = 0;
+
+	LoadEntity_t LoadEntity;
+	LoadEntity.pEntity = mapent;
+
+	// No default flags/contents
+	LoadEntity.nBaseFlags = 0;
+	LoadEntity.nBaseContents = 0;
+
+	//
+	// Read the entity chunk.
+	//
+	ChunkFileResult_t eResult = pFile->ReadChunk((KeyHandler_t)LoadEntityKeyCallback, &LoadEntity);
+
+	return eResult;
+}
+
+
+bool LoadEntsFromMapFile( char const *pFilename )
+{
+	//
+	// Dummy this up for the texture handling. This can be removed when old .MAP file
+	// support is removed.
+	//
+	g_nMapFileVersion = 400;
+
+	//
+	// Open the file.
+	//
+	CChunkFile File;
+	ChunkFileResult_t eResult = File.Open( pFilename, ChunkFile_Read );
+
+	if(eResult == ChunkFile_Ok)
+	{
+		num_entities = 0;
+
+		//
+		// Set up handlers for the subchunks that we are interested in.
+		//
+		CChunkHandlerMap Handlers;
+		Handlers.AddHandler("entity", (ChunkHandler_t)LoadEntityCallback, 0);
+
+		File.PushHandlers(&Handlers);
+
+		//
+		// Read the sub-chunks. We ignore keys in the root of the file.
+		//
+		while (eResult == ChunkFile_Ok)
+		{
+			eResult = File.ReadChunk();
+		}
+
+		File.PopHandlers();
+		return true;
+	}
+	else
+	{
+		Error("Error in LoadEntsFromMapFile (in-memory file): %s.\n", File.GetErrorText(eResult));
+		return false;
+	}
+}
+
+
-- 
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