src/player_face.h
author rubidium
Tue, 20 Mar 2007 16:32:41 +0000
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parent 6190 01a2b579b668
child 7734 627817106768
permissions -rw-r--r--
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/* $Id$ */
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/** @file player_face.h Functionality related to the player's face */
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#ifndef PLAYER_FACE_H
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#define PLAYER_FACE_H
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/** The gender/race combinations that we have faces for */
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enum GenderEthnicity {
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	GENDER_FEMALE    = 0, ///< This bit set means a female, otherwise male
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	ETHNICITY_BLACK  = 1, ///< This bit set means black, otherwise white
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	GE_WM = 0,                                         ///< A male of Caucasian origin (white)
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	GE_WF = 1 << GENDER_FEMALE,                        ///< A female of Caucasian origin (white)
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	GE_BM = 1 << ETHNICITY_BLACK,                      ///< A male of African origin (black)
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	GE_BF = 1 << ETHNICITY_BLACK | 1 << GENDER_FEMALE, ///< A female of African origin (black)
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	GE_END,
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};
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DECLARE_ENUM_AS_BIT_SET(GenderEthnicity); ///< See GenderRace as a bitset
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/** Bitgroups of the PlayerFace variable */
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enum PlayerFaceVariable {
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	PFV_GENDER,
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	PFV_ETHNICITY,
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	PFV_GEN_ETHN,
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	PFV_HAS_MOUSTACHE,
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	PFV_HAS_TIE_EARRING,
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	PFV_HAS_GLASSES,
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	PFV_EYE_COLOUR,
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	PFV_CHEEKS,
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	PFV_CHIN,
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	PFV_EYEBROWS,
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	PFV_MOUSTACHE,
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	PFV_LIPS,
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	PFV_NOSE,
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	PFV_HAIR,
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	PFV_JACKET,
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	PFV_COLLAR,
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	PFV_TIE_EARRING,
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	PFV_GLASSES,
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	PFV_END
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};
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DECLARE_POSTFIX_INCREMENT(PlayerFaceVariable);
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/** Information about the valid values of PlayerFace bitgroups as well as the sprites to draw */
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struct PlayerFaceBitsInfo {
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	byte     offset;               ///< Offset in bits into the PlayerFace
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	byte     length;               ///< Number of bits used in the PlayerFace
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	byte     valid_values[GE_END]; ///< The number of valid values per gender/ethnicity
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	SpriteID first_sprite[GE_END]; ///< The first sprite per gender/ethnicity
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};
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/** Lookup table for indices into the PlayerFace, valid ranges and sprites */
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static const PlayerFaceBitsInfo _pf_info[] = {
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	/* Index                   off len   WM  WF  BM  BF         WM     WF     BM     BF */
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	/* PFV_GENDER          */ {  0, 1, {  2,  2,  2,  2 }, {     0,     0,     0,     0 } }, ///< 0 = male, 1 = female
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	/* PFV_ETHNICITY       */ {  1, 2, {  2,  2,  2,  2 }, {     0,     0,     0,     0 } }, ///< 0 = (Western-)Caucasian, 1 = African(-American)/Black
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	/* PFV_GEN_ETHN        */ {  0, 3, {  4,  4,  4,  4 }, {     0,     0,     0,     0 } }, ///< Shortcut to get/set gender _and_ ethnicity
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	/* PFV_HAS_MOUSTACHE   */ {  3, 1, {  2,  0,  2,  0 }, {     0,     0,     0,     0 } }, ///< Females do not have a moustache
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	/* PFV_HAS_TIE_EARRING */ {  3, 1, {  0,  2,  0,  2 }, {     0,     0,     0,     0 } }, ///< Draw the earring for females or not. For males the tie is always drawn.
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	/* PFV_HAS_GLASSES     */ {  4, 1, {  2,  2,  2,  2 }, {     0,     0,     0,     0 } }, ///< Whether to draw glasses or not
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	/* PFV_EYE_COLOUR      */ {  5, 2, {  3,  3,  3,  3 }, {     0,     0,     0,     0 } }, ///< Palette modification
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	/* PFV_CHEEKS          */ {  0, 0, {  1,  1,  1,  1 }, { 0x325, 0x326, 0x390, 0x3B0 } }, ///< Cheeks are only indexed by their gender/ethnicity
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	/* PFV_CHIN            */ {  7, 2, {  4,  1,  2,  2 }, { 0x327, 0x327, 0x391, 0x3B1 } },
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	/* PFV_EYEBROWS        */ {  9, 4, { 12, 16, 11, 16 }, { 0x32B, 0x337, 0x39A, 0x3B8 } },
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	/* PFV_MOUSTACHE       */ { 13, 2, {  3,  0,  3,  0 }, { 0x367,     0, 0x397,     0 } }, ///< Depends on PFV_HAS_MOUSTACHE
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	/* PFV_LIPS            */ { 13, 4, { 12, 10,  9,  9 }, { 0x35B, 0x351, 0x3A5, 0x3C8 } }, ///< Depends on !PFV_HAS_MOUSTACHE
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	/* PFV_NOSE            */ { 17, 3, {  8,  4,  4,  5 }, { 0x349, 0x34C, 0x393, 0x3B3 } }, ///< Depends on !PFV_HAS_MOUSTACHE
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	/* PFV_HAIR            */ { 20, 4, {  9,  5,  5,  4 }, { 0x382, 0x38B, 0x3D4, 0x3D9 } },
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	/* PFV_JACKET          */ { 24, 2, {  3,  3,  3,  3 }, { 0x36B, 0x378, 0x36B, 0x378 } },
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	/* PFV_COLLAR          */ { 26, 2, {  4,  4,  4,  4 }, { 0x36E, 0x37B, 0x36E, 0x37B } },
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	/* PFV_TIE_EARRING     */ { 28, 3, {  6,  3,  6,  3 }, { 0x372, 0x37F, 0x372, 0x3D1 } }, ///< Depends on PFV_HAS_TIE_EARRING
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	/* PFV_GLASSES         */ { 31, 1, {  2,  2,  2,  2 }, { 0x347, 0x347, 0x3AE, 0x3AE } }  ///< Depends on PFV_HAS_GLASSES
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};
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assert_compile(lengthof(_pf_info) == PFV_END);
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/**
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 * Gets the player's face bits for the given player face variable
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 * @param pf  the face to extract the bits from
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 * @param pfv the face variable to get the data of
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 * @param ge  the gender and ethnicity of the face
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 * @pre _pf_info[pfv].valid_values[ge] != 0
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 * @return the requested bits
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 */
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static inline uint GetPlayerFaceBits(PlayerFace pf, PlayerFaceVariable pfv, GenderEthnicity ge)
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{
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	assert(_pf_info[pfv].valid_values[ge] != 0);
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	return GB(pf, _pf_info[pfv].offset, _pf_info[pfv].length);
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}
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/**
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 * Sets the player's face bits for the given player face variable
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 * @param pf  the face to write the bits to
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 * @param pfv the face variable to write the data of
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 * @param ge  the gender and ethnicity of the face
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 * @param val the new value
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 * @pre val < _pf_info[pfv].valid_values[ge]
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 */
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static inline void SetPlayerFaceBits(PlayerFace &pf, PlayerFaceVariable pfv, GenderEthnicity ge, uint val)
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{
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	assert(val < _pf_info[pfv].valid_values[ge]);
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	SB(pf, _pf_info[pfv].offset, _pf_info[pfv].length, val);
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}
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/**
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 * Checks whether the player bits have a valid range
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 * @param pf  the face to extract the bits from
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 * @param pfv the face variable to get the data of
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 * @param ge  the gender and ethnicity of the face
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 * @return true if and only if the bits are valid
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 */
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static inline bool ArePlayerFaceBitsValid(PlayerFace pf, PlayerFaceVariable pfv, GenderEthnicity ge)
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{
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	return GB(pf, _pf_info[pfv].offset, _pf_info[pfv].length) < _pf_info[pfv].valid_values[ge];
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}
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/**
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 * Scales a player face bits variable to the correct scope
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 * @param pfv the face variable to write the data of
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 * @param ge  the gender and ethnicity of the face
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 * @param val the to value to scale
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 * @pre val < (1U << _pf_info[pfv].length), i.e. val has a value of 0..2^(bits used for this variable)-1
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 * @return the scaled value
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 */
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static inline uint ScalePlayerFaceValue(PlayerFaceVariable pfv, GenderEthnicity ge, uint val)
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{
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	assert(val < (1U << _pf_info[pfv].length));
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	return (val * _pf_info[pfv].valid_values[ge]) >> _pf_info[pfv].length;
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}
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/**
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 * Gets the sprite to draw for the given player face variable
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 * @param pf  the face to extract the data from
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 * @param pfv the face variable to get the sprite of
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 * @param ge  the gender and ethnicity of the face
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 * @pre _pf_info[pfv].valid_values[ge] != 0
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 * @return sprite to draw
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 */
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static inline SpriteID GetPlayerFaceSprite(PlayerFace pf, PlayerFaceVariable pfv, GenderEthnicity ge)
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{
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	assert(_pf_info[pfv].valid_values[ge] != 0);
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	return _pf_info[pfv].first_sprite[ge] + GB(pf, _pf_info[pfv].offset, _pf_info[pfv].length);
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}
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void DrawPlayerFace(PlayerFace face, int color, int x, int y);
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PlayerFace ConvertFromOldPlayerFace(uint32 face);
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bool IsValidPlayerFace(PlayerFace pf);
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#endif /* PLAYER_FACE_H */