diff --git a/r5dev/public/datamap.h b/r5dev/public/datamap.h
index a7d0f9c4..08809d72 100644
--- a/r5dev/public/datamap.h
+++ b/r5dev/public/datamap.h
@@ -1,7 +1,50 @@
 #pragma once
 
-// Usually an enum, need to re-check if it's still standard.
-typedef int64_t fieldtype_t;
+typedef enum _fieldtypes
+{
+	FIELD_VOID = 0,			// No type or value
+	FIELD_FLOAT,			// Any floating point value
+	FIELD_STRING,			// A string ID (return from ALLOC_STRING)
+	FIELD_VECTOR,			// Any vector, QAngle, or AngularImpulse
+	FIELD_QUATERNION,		// A quaternion
+	FIELD_INTEGER,			// Any integer or enum
+	FIELD_BOOLEAN,			// boolean, implemented as an int, I may use this as a hint for compression
+	FIELD_SHORT,			// 2 byte integer
+	FIELD_CHARACTER,		// a byte
+	FIELD_COLOR32,			// 8-bit per channel r,g,b,a (32bit color)
+	FIELD_EMBEDDED,			// an embedded object with a datadesc, recursively traverse and embedded class/structure based on an additional typedescription
+	FIELD_CUSTOM,			// special type that contains function pointers to it's read/write/parse functions
+
+	FIELD_CLASSPTR,			// CBaseEntity*
+	FIELD_EHANDLE,			// Entity handle
+	FIELD_EDICT,			// edict_t
+
+	FIELD_POSITION_VECTOR,	// A world coordinate (these are fixed up across level transitions automagically)
+	FIELD_TIME,				// a floating point time (these are fixed up automatically too!)
+	FIELD_TICK,				// an integer tick count( fixed up similarly to time)
+	FIELD_MODELNAME,		// Engine string that is a model name (needs precache)
+	FIELD_SOUNDNAME,		// Engine string that is a sound name (needs precache)
+
+	FIELD_INPUT,			// a list of inputed data fields (all derived from CMultiInputVar)
+	FIELD_FUNCTION,			// A class function pointer (Think, Use, etc)
+
+	FIELD_VMATRIX,			// a vmatrix (output coords are NOT worldspace)
+
+	// NOTE: Use float arrays for local transformations that don't need to be fixed up.
+	FIELD_VMATRIX_WORLDSPACE,// A VMatrix that maps some local space to world space (translation is fixed up on level transitions)
+	FIELD_MATRIX3X4_WORLDSPACE,	// matrix3x4_t that maps some local space to world space (translation is fixed up on level transitions)
+
+	FIELD_INTERVAL,			// a start and range floating point interval ( e.g., 3.2->3.6 == 3.2 and 0.4 )
+	FIELD_MODELINDEX,		// a model index
+	FIELD_MATERIALINDEX,	// a material index (using the material precache string table)
+
+	FIELD_VECTOR2D,			// 2 floats
+	FIELD_INTEGER64,		// 64bit integer
+
+	FIELD_VECTOR4D,			// 4 floats
+
+	FIELD_TYPECOUNT,		// MUST BE LAST
+} fieldtype_t;
 
 struct datamap_t;
 struct typedescription_t;