1 #ifndef GFX_H

     2 #define GFX_H

     3 

     4 

     5 typedef struct ColorList {

     6 	byte unk0, unk1, unk2;

     7 	byte window_color_1a, window_color_1b;

     8 	byte window_color_bga, window_color_bgb;

     9 	byte window_color_2;

    10 } ColorList;

    11 

    12 struct DrawPixelInfo {

    13 	byte *dst_ptr;

    14 	int left, top, width, height;

    15 	int pitch;

    16 	uint16 zoom;	

    17 };

    18 

    19 

    20 typedef struct SpriteHdr {

    21 	byte info;

    22 	byte height;

    23 	uint16 width;

    24 	int16 x_offs, y_offs;

    25 } SpriteHdr;

    26 assert_compile(sizeof(SpriteHdr) == 8);

    27 

    28 typedef struct CursorVars {

    29 	Point pos, size, offs, delta;

    30 	Point draw_pos, draw_size;

    31 	uint32 sprite;

    32 

    33 	int wheel; // mouse wheel movement

    34 	const uint16 *animate_list, *animate_cur;

    35 	uint animate_timeout;

    36 

    37 	bool visible;

    38 	bool dirty;

    39 	bool fix_at;

    40 } CursorVars;

    41 

    42 

    43 void RedrawScreenRect(int left, int top, int right, int bottom);

    44 void GfxScroll(int left, int top, int width, int height, int xo, int yo);

    45 int DrawStringCentered(int x, int y, uint16 str, byte color);

    46 int DrawString(int x, int y, uint16 str, byte color);

    47 void DrawStringCenterUnderline(int x, int y, uint16 str, byte color);

    48 int DoDrawString(const byte *string, int x, int y, byte color);

    49 void DrawStringRightAligned(int x, int y, uint16 str, byte color);

    50 void GfxFillRect(int left, int top, int right, int bottom, int color);	

    51 void GfxDrawLine(int left, int top, int right, int bottom, int color);	

    52 void DrawFrameRect(int left, int top, int right, int bottom, int color, int flags);

    53 

    54 int GetStringWidth(const byte *str);

    55 void LoadStringWidthTable();

    56 void DrawStringMultiCenter(int x, int y, uint16 str, int maxw);

    57 void DrawStringMultiLine(int x, int y, uint16 str, int maxw);

    58 void DrawDirtyBlocks();

    59 void SetDirtyBlocks(int left, int top, int right, int bottom);

    60 void MarkWholeScreenDirty();

    61 

    62 void GfxInitPalettes();

    63 

    64 bool FillDrawPixelInfo(DrawPixelInfo *n, DrawPixelInfo *o, int left, int top, int width, int height);

    65 

    66 /* window.c */

    67 void DrawOverlappedWindowForAll(int left, int top, int right, int bottom);

    68 

    69 /* spritecache.c */

    70 byte *GetSpritePtr(uint sprite);

    71 void GfxInitSpriteMem(byte *ptr, uint32 size);

    72 void GfxLoadSprites();

    73 

    74 void SetMouseCursor(uint cursor);

    75 void SetAnimatedMouseCursor(const uint16 *table);

    76 void CursorTick();

    77 void DrawMouseCursor();

    78 void ScreenSizeChanged();

    79 void UndrawMouseCursor();

    80 bool ChangeResInGame(int w, int h);

    81 

    82 typedef struct {

    83 	int xoffs, yoffs;

    84 	int xsize, ysize;

    85 } SpriteDimension;

    86 

    87 const SpriteDimension *GetSpriteDimension(uint sprite);

    88 

    89 /* gfx.c */

    90 VARDEF int _stringwidth_base;

    91 VARDEF byte _stringwidth_table[0x2A0];

    92 

    93 VARDEF DrawPixelInfo _screen;

    94 VARDEF DrawPixelInfo *_cur_dpi;

    95 VARDEF ColorList _color_list[16];

    96 VARDEF CursorVars _cursor;

    97 

    98 VARDEF int _pal_first_dirty;

    99 VARDEF int _pal_last_dirty;

   100 

   101 /* spritecache.c */

   102 //enum { NUM_SPRITES = 0x1320 };

   103 //enum { NUM_SPRITES = 0x1500 };

   104 enum { NUM_SPRITES = 0x3500 }; // 1500 + space for custom GRF sets

   105 

   106 /* tables.h */

   107 extern byte _palettes[4][256 * 3];

   108 VARDEF byte _cur_palette[768];

   109 

   110 #endif