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diff --git a/src/libs/graphics/cmap.h b/src/libs/graphics/cmap.h
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+//Copyright Paul Reiche, Fred Ford. 1992-2002
+
+/*
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  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, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifndef CMAP_H
+#define CMAP_H
+
+#include "libs/gfxlib.h"
+
+#define MAX_COLORMAPS           250
+
+// These are pertinent to colortable file format
+// We load colormaps as binary and parse them when needed
+#define PLUTVAL_BYTE_SIZE       3
+// Channel order in colormap tables
+#define PLUTVAL_RED             0
+#define PLUTVAL_GREEN           1
+#define PLUTVAL_BLUE            2
+
+#define NUMBER_OF_PLUTVALS      256
+// Size of the colormap in a colortable file
+#define PLUT_BYTE_SIZE          (PLUTVAL_BYTE_SIZE * NUMBER_OF_PLUTVALS)
+
+#define FADE_NO_INTENSITY      0
+#define FADE_NORMAL_INTENSITY  255
+#define FADE_FULL_INTENSITY    510
+
+typedef struct NativePalette NativePalette;
+
+typedef struct tfb_colormap
+{
+	int index;
+			// Colormap index as the game sees it
+	int version;
+			// Version goes up every time the colormap changes. This may
+			// be due to SetColorMap() or at every transformation step
+			// of XFormColorMap(). Paletted TFB_Images track the last
+			// colormap version they were drawn with for optimization.
+	int refcount;
+	struct tfb_colormap *next;
+			// for spares linking
+	NativePalette *palette;
+} TFB_ColorMap;
+
+extern int GetFadeAmount (void);
+
+extern void InitColorMaps (void);
+extern void UninitColorMaps (void);
+
+extern void GetColorMapColors (Color *colors, TFB_ColorMap *);
+
+extern TFB_ColorMap * TFB_GetColorMap (int index);
+extern void TFB_ReturnColorMap (TFB_ColorMap *map);
+
+extern BOOLEAN XFormColorMap_step (void);
+
+// Native
+NativePalette* AllocNativePalette (void);
+void FreeNativePalette (NativePalette *);
+void SetNativePaletteColor (NativePalette *, int index, Color);
+Color GetNativePaletteColor (NativePalette *, int index);
+
+#endif /* CMAP_H */