diff -r 2c214830d01c -r d254e257cac2 core/smn_datapacks.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/smn_datapacks.cpp	Tue Feb 13 16:11:04 2007 +0000
@@ -0,0 +1,288 @@
+#include "sm_globals.h"
+#include "HandleSys.h"
+#include "CDataPack.h"
+
+HandleType_t g_DataPackType;
+
+class DataPackNatives : 
+	public SMGlobalClass,
+	public IHandleTypeDispatch
+{
+public:
+	void OnSourceModAllInitialized()
+	{
+		g_DataPackType = g_HandleSys.CreateType("DataPack", this, 0, NULL, NULL, g_pCoreIdent, NULL);
+	}
+	void OnSourceModShutdown()
+	{
+		g_HandleSys.RemoveType(g_DataPackType, g_pCoreIdent);
+		g_DataPackType = 0;
+	}
+	void OnHandleDestroy(HandleType_t type, void *object)
+	{
+		g_SourceMod.FreeDataPack(reinterpret_cast<IDataPack *>(object));
+	}
+};
+
+static cell_t smn_CreateDataPack(IPluginContext *pContext, const cell_t *params)
+{
+	IDataPack *pDataPack = g_SourceMod.CreateDataPack();
+
+	if (!pDataPack)
+	{
+		return 0;
+	}
+
+	return g_HandleSys.CreateHandle(g_DataPackType, pDataPack, pContext->GetIdentity(), g_pCoreIdent, NULL);
+}
+
+static cell_t smn_WritePackCell(IPluginContext *pContext, const cell_t *params)
+{
+	Handle_t hndl = static_cast<Handle_t>(params[1]);
+	HandleError herr;
+	HandleSecurity sec;
+	IDataPack *pDataPack;
+
+	sec.pOwner = NULL;
+	sec.pIdentity = g_pCoreIdent;
+
+	if ((herr=g_HandleSys.ReadHandle(hndl, g_DataPackType, &sec, (void **)&pDataPack))
+		!= HandleError_None)
+	{
+		return pContext->ThrowNativeError("Invalid data pack handle %x (error %d)", hndl, herr);
+	}
+
+	pDataPack->PackCell(params[2]);
+
+	return 1;
+}
+
+static cell_t smn_WritePackFloat(IPluginContext *pContext, const cell_t *params)
+{
+	Handle_t hndl = static_cast<Handle_t>(params[1]);
+	HandleError herr;
+	HandleSecurity sec;
+	IDataPack *pDataPack;
+
+	sec.pOwner = NULL;
+	sec.pIdentity = g_pCoreIdent;
+
+	if ((herr=g_HandleSys.ReadHandle(hndl, g_DataPackType, &sec, (void **)&pDataPack))
+		!= HandleError_None)
+	{
+		return pContext->ThrowNativeError("Invalid data pack handle %x (error %d)", hndl, herr);
+	}
+
+	pDataPack->PackFloat(sp_ctof(params[2]));
+
+	return 1;
+}
+
+static cell_t smn_WritePackString(IPluginContext *pContext, const cell_t *params)
+{
+	Handle_t hndl = static_cast<Handle_t>(params[1]);
+	HandleError herr;
+	HandleSecurity sec;
+	IDataPack *pDataPack;
+	int err;
+
+	sec.pOwner = NULL;
+	sec.pIdentity = g_pCoreIdent;
+
+	if ((herr=g_HandleSys.ReadHandle(hndl, g_DataPackType, &sec, (void **)&pDataPack))
+		!= HandleError_None)
+	{
+		return pContext->ThrowNativeError("Invalid data pack handle %x (error %d)", hndl, herr);
+	}
+
+	char *str;
+	if ((err=pContext->LocalToString(params[2], &str)) != SP_ERROR_NONE)
+	{
+		pContext->ThrowNativeErrorEx(err, NULL);
+		return 0;
+	}
+
+	pDataPack->PackString(str);
+
+	return 1;
+}
+
+static cell_t smn_ReadPackCell(IPluginContext *pContext, const cell_t *params)
+{
+	Handle_t hndl = static_cast<Handle_t>(params[1]);
+	HandleError herr;
+	HandleSecurity sec;
+	IDataPack *pDataPack;
+
+	sec.pOwner = NULL;
+	sec.pIdentity = g_pCoreIdent;
+
+	if ((herr=g_HandleSys.ReadHandle(hndl, g_DataPackType, &sec, (void **)&pDataPack))
+		!= HandleError_None)
+	{
+		return pContext->ThrowNativeError("Invalid data pack handle %x (error %d)", hndl, herr);
+	}
+
+	if (!pDataPack->IsReadable(sizeof(cell_t)))
+	{
+		return pContext->ThrowNativeError("DataPack operation is out of bounds.");
+	}
+
+	return pDataPack->ReadCell();
+}
+
+static cell_t smn_ReadPackFloat(IPluginContext *pContext, const cell_t *params)
+{
+	Handle_t hndl = static_cast<Handle_t>(params[1]);
+	HandleError herr;
+	HandleSecurity sec;
+	IDataPack *pDataPack;
+
+	sec.pOwner = NULL;
+	sec.pIdentity = g_pCoreIdent;
+
+	if ((herr=g_HandleSys.ReadHandle(hndl, g_DataPackType, &sec, (void **)&pDataPack))
+		!= HandleError_None)
+	{
+		return pContext->ThrowNativeError("Invalid data pack handle %x (error %d)", hndl, herr);
+	}
+
+	if (!pDataPack->IsReadable(sizeof(float)))
+	{
+		return pContext->ThrowNativeError("DataPack operation is out of bounds.");
+	}
+
+	return sp_ftoc(pDataPack->ReadFloat());
+}
+
+static cell_t smn_ReadPackString(IPluginContext *pContext, const cell_t *params)
+{
+	Handle_t hndl = static_cast<Handle_t>(params[1]);
+	HandleError herr;
+	HandleSecurity sec;
+	IDataPack *pDataPack;
+
+	sec.pOwner = NULL;
+	sec.pIdentity = g_pCoreIdent;
+
+	if ((herr=g_HandleSys.ReadHandle(hndl, g_DataPackType, &sec, (void **)&pDataPack))
+		!= HandleError_None)
+	{
+		return pContext->ThrowNativeError("Invalid data pack handle %x (error %d)", hndl, herr);
+	}
+
+	const char *str;
+	if (!(str=pDataPack->ReadString(NULL)))
+	{
+		return pContext->ThrowNativeError("DataPack operation is out of bounds.");
+	}
+
+	pContext->StringToLocal(params[2], params[3], str);
+
+	return 1;
+}
+
+static cell_t smn_ResetPack(IPluginContext *pContext, const cell_t *params)
+{
+	Handle_t hndl = static_cast<Handle_t>(params[1]);
+	HandleError herr;
+	HandleSecurity sec;
+	IDataPack *pDataPack;
+
+	sec.pOwner = NULL;
+	sec.pIdentity = g_pCoreIdent;
+
+	if ((herr=g_HandleSys.ReadHandle(hndl, g_DataPackType, &sec, (void **)&pDataPack))
+		!= HandleError_None)
+	{
+		return pContext->ThrowNativeError("Invalid data pack handle %x (error %d)", hndl, herr);
+	}
+
+	pDataPack->Reset();
+	if (params[2])
+	{
+		pDataPack->ResetSize();
+	}
+
+	return 1;
+}
+
+static cell_t smn_GetPackPosition(IPluginContext *pContext, const cell_t *params)
+{
+	Handle_t hndl = static_cast<Handle_t>(params[1]);
+	HandleError herr;
+	HandleSecurity sec;
+	IDataPack *pDataPack;
+
+	sec.pOwner = NULL;
+	sec.pIdentity = g_pCoreIdent;
+
+	if ((herr=g_HandleSys.ReadHandle(hndl, g_DataPackType, &sec, (void **)&pDataPack))
+		!= HandleError_None)
+	{
+		return pContext->ThrowNativeError("Invalid data pack handle %x (error %d)", hndl, herr);
+	}
+
+	return static_cast<cell_t>(pDataPack->GetPosition());
+}
+
+static cell_t smn_SetPackPosition(IPluginContext *pContext, const cell_t *params)
+{
+	Handle_t hndl = static_cast<Handle_t>(params[1]);
+	HandleError herr;
+	HandleSecurity sec;
+	IDataPack *pDataPack;
+
+	sec.pOwner = NULL;
+	sec.pIdentity = g_pCoreIdent;
+
+	if ((herr=g_HandleSys.ReadHandle(hndl, g_DataPackType, &sec, (void **)&pDataPack))
+		!= HandleError_None)
+	{
+		return pContext->ThrowNativeError("Invalid data pack handle %x (error %d)", hndl, herr);
+	}
+
+	if (!pDataPack->SetPosition(params[2]))
+	{
+		return pContext->ThrowNativeError("Invalid DataPack position, %d is out of bounds", params[2]);
+	}
+
+	return 1;
+}
+
+static cell_t smn_IsPackReadable(IPluginContext *pContext, const cell_t *params)
+{
+	Handle_t hndl = static_cast<Handle_t>(params[1]);
+	HandleError herr;
+	HandleSecurity sec;
+	IDataPack *pDataPack;
+
+	sec.pOwner = NULL;
+	sec.pIdentity = g_pCoreIdent;
+
+	if ((herr=g_HandleSys.ReadHandle(hndl, g_DataPackType, &sec, (void **)&pDataPack))
+		!= HandleError_None)
+	{
+		return pContext->ThrowNativeError("Invalid data pack handle %x (error %d)", hndl, herr);
+	}
+
+	return pDataPack->IsReadable(params[2]) ? 1 : 0;
+}
+
+static DataPackNatives s_DataPackNatives;
+
+REGISTER_NATIVES(datapacknatives)
+{
+	{"CreateDataPack",			smn_CreateDataPack},
+	{"WritePackCell",			smn_WritePackCell},
+	{"WritePackFloat",			smn_WritePackFloat},
+	{"WritePackString",			smn_WritePackString},
+	{"ReadPackCell",			smn_ReadPackCell},
+	{"ReadPackFloat",			smn_ReadPackFloat},
+	{"ReadPackString",			smn_ReadPackString},
+	{"ResetPack",				smn_ResetPack},
+	{"GetPackPosition",			smn_GetPackPosition},
+	{"SetPackPosition",			smn_SetPackPosition},
+	{"IsPackReadable",			smn_IsPackReadable},
+	{NULL,						NULL}
+};
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