//----------------------------------------------------------------------------
//  EDGE Colour Code
//----------------------------------------------------------------------------
// 
//  Copyright (c) 1999-2009  The EDGE Team.
// 
//  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.
//
//----------------------------------------------------------------------------
//
//  Based on the DOOM source code, released by Id Software under the
//  following copyright:
//
//    Copyright (C) 1993-1996 by id Software, Inc.
//
//----------------------------------------------------------------------------

#ifndef __R_COLORS_H__
#define __R_COLORS_H__

#include "dm_defs.h"

#include "ddf/types.h"
#include "ddf/main.h"
#include "ddf/colormap.h"

#include "r_defs.h"

class abstract_shader_c;

void V_InitPalette(void);
void V_InitColour(void);

// -ACB- 1999/10/11 Gets an RGB colour from the current palette
void V_IndexColourToRGB(int indexcol, byte *returncol);

rgbcol_t V_LookupColour(int col);

// -AJA- 1999/07/03: moved here from v_res.h.
extern int var_gamma;

#define GAMMA_CONV(light)  (light)

// -AJA- 1999/07/03: Some palette stuff.
extern byte playpal_data[14][256][3];

#define PALETTE_NORMAL   0
#define PALETTE_PAIN     1
#define PALETTE_BONUS    2
#define PALETTE_SUIT     3

int V_FindColour(int r, int g, int b);
void V_SetPalette(int type, float amount);
void V_ColourNewFrame(void);
void R_PaletteStuff(void);


#define PAL_RED(pix)  ((float)(playpal_data[0][pix][0]) / 255.0f)
#define PAL_GRN(pix)  ((float)(playpal_data[0][pix][1]) / 255.0f)
#define PAL_BLU(pix)  ((float)(playpal_data[0][pix][2]) / 255.0f)


// -AJA- 1999/07/10: Some stuff for colmap.ddf.

typedef enum
{
  VCOL_None = 0x0000,
  VCOL_Sky  = 0x0001
}
vcol_flags_e;

// translation support
const byte *V_GetTranslationTable(const colourmap_c * colmap);

void R_TranslatePalette(byte *new_pal, const byte *old_pal,
                        const colourmap_c *trans);

void V_GetColmapRGB(const colourmap_c *colmap, float *r, float *g, float *b);

rgbcol_t V_GetFontColor(const colourmap_c *colmap);
rgbcol_t V_ParseFontColor(const char *name, bool strict = false);

abstract_shader_c *R_GetColormapShader(
		const struct region_properties_s *props, int light_add = 0);

// text translation tables
extern const byte *font_whitener;
extern const colourmap_c *font_whiten_map;

extern const colourmap_c *text_red_map;
extern const colourmap_c *text_white_map;
extern const colourmap_c *text_grey_map;
extern const colourmap_c *text_green_map;
extern const colourmap_c *text_brown_map;
extern const colourmap_c *text_blue_map;
extern const colourmap_c *text_purple_map;
extern const colourmap_c *text_yellow_map;
extern const colourmap_c *text_orange_map;

// automap translation tables
extern const byte *am_normal_colmap;
extern const byte *am_overlay_colmap;

// colour indices from palette
extern int pal_black,  pal_white,  pal_gray239;
extern int pal_red,    pal_green,  pal_blue;
extern int pal_yellow, pal_green1, pal_brown1;

// colour values.  These assume the standard Doom palette.  Maybe
// remove most of these one day -- will take some work though...
// Note: some of the ranges begin with a bright (often white) colour.

#define BLACK   0
#define WHITE   4

#define PINK         0x10
#define PINK_LEN     32
#define BROWN        0x30
#define BROWN_LEN    32
#define GRAY         0x50
#define GRAY_LEN     32
#define GREEN        0x70
#define GREEN_LEN    16
#define BEIGE        0x80
#define BEIGE_LEN    16
#define RED          0xB0
#define RED_LEN      16
#define CYAN         0xC0
#define CYAN_LEN     8
#define BLUE         0xC8
#define BLUE_LEN     8
#define ORANGE       0xD8
#define ORANGE_LEN   8
#define YELLOW       0xE7
#define YELLOW_LEN   1
#define DBLUE        0xF0
#define DBLUE_LEN    8

#endif // __R_COLORS_H__

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