/* * Portions of this file are copyright Rebirth contributors and licensed as * described in COPYING.txt. * Portions of this file are copyright Parallax Software and licensed * according to the Parallax license below. * See COPYING.txt for license details. THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE. COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED. */ #pragma once #include #include #include #include "palette.h" #include "maths.h" // some defines for transparency and blending #define TRANSPARENCY_COLOR 255 // palette entry of transparency color -- 255 on the PC #define GR_FADE_LEVELS 34 #define GR_FADE_OFF GR_FADE_LEVELS // yes, max means OFF - don't screw that up #define GR_BLEND_NORMAL 0 // normal blending #define GR_BLEND_ADDITIVE_A 1 // additive alpha blending #define GR_BLEND_ADDITIVE_C 2 // additive color blending #define GWIDTH grd_curcanv->cv_bitmap.bm_w #define GHEIGHT grd_curcanv->cv_bitmap.bm_h #define SWIDTH (grd_curscreen->get_screen_width()) #define SHEIGHT (grd_curscreen->get_screen_height()) #if defined(DXX_BUILD_DESCENT_I) namespace dsx { extern int HiresGFXAvailable; } #define HIRESMODE HiresGFXAvailable // descent.pig either contains hires or lowres graphics, not both #elif defined(DXX_BUILD_DESCENT_II) #define HIRESMODE (SWIDTH >= 640 && SHEIGHT >= 480 && !GameArg.GfxSkipHiresGFX) #endif #define MAX_BMP_SIZE(width, height) (4 + ((width) + 2) * (height)) #define SCRNS_DIR "screenshots/" //these are control characters that have special meaning in the font code #define CC_COLOR 1 //next char is new foreground color #define CC_LSPACING 2 //next char specifies line spacing #define CC_UNDERLINE 3 //next char is underlined //now have string versions of these control characters (can concat inside a string) #define CC_COLOR_S "\x1" //next char is new foreground color #define CC_LSPACING_S "\x2" //next char specifies line spacing #define CC_UNDERLINE_S "\x3" //next char is underlined #define BM_LINEAR 0 #define BM_RGB15 3 //5 bits each r,g,b stored at 16 bits #ifdef OGL #define BM_OGL 5 #endif /* def OGL */ #define BM_FLAG_TRANSPARENT 1 #define BM_FLAG_SUPER_TRANSPARENT 2 #define BM_FLAG_NO_LIGHTING 4 #define BM_FLAG_RLE 8 // A run-length encoded bitmap. #define BM_FLAG_PAGED_OUT 16 // This bitmap's data is paged out. #define BM_FLAG_RLE_BIG 32 // for bitmaps that RLE to > 255 per row (i.e. cockpits) #ifdef __cplusplus #include "dxxsconf.h" #include "dsx-ns.h" #include "compiler-array.h" struct grs_bitmap; struct grs_canvas; #define GRS_FONT_SIZE 28 // how much space it takes up on disk struct grs_font; struct grs_point; union screen_mode; class grs_screen; namespace dcx { struct grs_main_canvas; typedef std::unique_ptr grs_canvas_ptr; struct grs_subcanvas; typedef std::unique_ptr grs_subcanvas_ptr; // Free the bitmap and its pixel data class grs_main_bitmap; typedef std::unique_ptr grs_bitmap_ptr; uint_fast32_t gr_list_modes(array &modes); } #ifdef dsx namespace dsx { int gr_set_mode(screen_mode mode); int gr_init(); #ifdef OGL void gr_set_attributes(); #endif void gr_close(); } #endif namespace dcx { grs_canvas_ptr gr_create_canvas(uint16_t w, uint16_t h); grs_subcanvas_ptr gr_create_sub_canvas(grs_canvas &canv,uint16_t x,uint16_t y,uint16_t w, uint16_t h); // Initialize the specified canvas. the raw pixel data buffer is passed as // a parameter. no memory allocation is performed. void gr_init_canvas(grs_canvas &canv,unsigned char *pixdata, uint8_t pixtype, uint16_t w, uint16_t h); // Initialize the specified sub canvas. no memory allocation is performed. void gr_init_sub_canvas(grs_canvas &n, grs_canvas &src, uint16_t x, uint16_t y, uint16_t w, uint16_t h); // Clear the current canvas to the specified color void gr_clear_canvas(color_t color); //========================================================================= // Bitmap functions: // these are the two workhorses, the others just use these void gr_init_bitmap(grs_bitmap &bm, uint8_t mode, uint16_t x, uint16_t y, uint16_t w, uint16_t h, uint16_t bytesperline, const uint8_t* data); void gr_init_sub_bitmap (grs_bitmap &bm, grs_bitmap &bmParent, uint16_t x, uint16_t y, uint16_t w, uint16_t h); void gr_init_bitmap_alloc(grs_bitmap &bm, uint8_t mode, uint16_t x, uint16_t y, uint16_t w, uint16_t h, uint16_t bytesperline); void gr_free_bitmap_data(grs_bitmap &bm); // Allocate a bitmap and its pixel data buffer. grs_bitmap_ptr gr_create_bitmap(uint16_t w,uint16_t h); // Free the bitmap, but not the pixel data buffer class grs_subbitmap; typedef std::unique_ptr grs_subbitmap_ptr; // Creates a bitmap which is part of another bitmap grs_subbitmap_ptr gr_create_sub_bitmap(grs_bitmap &bm, uint16_t x, uint16_t y, uint16_t w, uint16_t h); // Free the bitmap's data void gr_init_bitmap_data (grs_bitmap &bm); void gr_bm_pixel(grs_bitmap &bm, uint_fast32_t x, uint_fast32_t y, uint8_t color); #ifndef OGL void gr_bm_ubitblt(unsigned w, unsigned h, int dx, int dy, int sx, int sy, const grs_bitmap &src, grs_bitmap &dest); void gr_bm_ubitbltm(unsigned w, unsigned h, unsigned dx, unsigned dy, unsigned sx, unsigned sy, const grs_bitmap &src, grs_bitmap &dest); #define gr_settransblend(A,B) gr_settransblend(A) #endif void gr_set_bitmap_data(grs_bitmap &bm, const uint8_t *data); } #ifdef dsx namespace dsx { //========================================================================= // Color functions: // When this function is called, the guns are set to gr_palette, and // the palette stays the same until gr_close is called void gr_use_palette_table(const char * filename); } #endif //========================================================================= // Drawing functions: namespace dcx { // Sets transparency and blending function void gr_settransblend(int fade_level, uint8_t blend_func); // Draws a point into the current canvas in the current color and drawmode. void gr_pixel(unsigned x, unsigned y, uint8_t color); void gr_upixel(unsigned x, unsigned y, uint8_t color); // Gets a pixel; unsigned char gr_gpixel(const grs_bitmap &bitmap, int x, int y); unsigned char gr_ugpixel(const grs_bitmap &bitmap, int x, int y); // Draws a line into the current canvas in the current color and drawmode. void gr_line(fix x0,fix y0,fix x1,fix y1, uint8_t color); void gr_uline(fix x0,fix y0,fix x1,fix y1, uint8_t color); // Draw the bitmap into the current canvas at the specified location. void gr_bitmap(unsigned x,unsigned y,grs_bitmap &bm); void gr_ubitmap(grs_bitmap &bm); void show_fullscr(grs_bitmap &bm); // Find transparent area in bitmap void gr_bitblt_find_transparent_area(const grs_bitmap &bm, unsigned &minx, unsigned &miny, unsigned &maxx, unsigned &maxy); // bitmap function with transparency #ifndef OGL void gr_bitmapm(unsigned x, unsigned y, const grs_bitmap &bm); void gr_ubitmapm(unsigned x, unsigned y, grs_bitmap &bm); #endif // Draw a rectangle into the current canvas. void gr_rect(int left,int top,int right,int bot, uint8_t color); void gr_urect(int left,int top,int right,int bot, uint8_t color); // Draw a filled circle int gr_disk(fix x,fix y,fix r, uint8_t color); // Draw an outline circle int gr_ucircle(fix x,fix y,fix r, uint8_t color); // Draw an unfilled rectangle into the current canvas #ifdef EDITOR void gr_box(uint_fast32_t left,uint_fast32_t top,uint_fast32_t right,uint_fast32_t bot, uint8_t color); #endif void gr_ubox(int left,int top,int right,int bot, uint8_t color); void gr_scanline(int x1, int x2, unsigned y, uint8_t color); #ifndef OGL void gr_uscanline(unsigned x1, unsigned x2, unsigned y, uint8_t color); #endif void gr_close_font(std::unique_ptr font); struct font_delete; typedef std::unique_ptr grs_font_ptr; // Reads in a font file... current font set to this one. grs_font_ptr gr_init_font(const char * fontfile); } #ifdef dsx namespace dsx { #if defined(DXX_BUILD_DESCENT_I) #define DXX_SDL_WINDOW_CAPTION "Descent" #define DXX_SDL_WINDOW_ICON_BITMAP "d1x-rebirth.bmp" #elif defined(DXX_BUILD_DESCENT_II) #define DXX_SDL_WINDOW_CAPTION "Descent II" #define DXX_SDL_WINDOW_ICON_BITMAP "d2x-rebirth.bmp" void gr_copy_palette(palette_array_t &gr_palette, const palette_array_t &pal); #endif } #endif // Writes a string using current font. Returns the next column after last char. namespace dcx { //remap (by re-reading) all the color fonts void gr_remap_color_fonts(); void gr_set_curfont(const grs_font *); void gr_set_fontcolor(int fg_color, int bg_color); void gr_string(int x, int y, const char *s); void gr_string(int x, int y, const char *s, int w, int h); void gr_ustring(int x, int y, const char *s); template void gr_printt(int x, int y, const char *format, ...) __attribute_format_printf(3, 4); #define gr_printfs(...) gr_printt(__VA_ARGS__) #define gr_printfus(...) gr_printt(__VA_ARGS__) #define gr_printf(A1,A2,F,...) dxx_call_printf_checked(gr_printfs,gr_string,(A1,A2),(F),##__VA_ARGS__) #define gr_uprintf(A1,A2,F,...) dxx_call_printf_checked(gr_printfus,gr_ustring,(A1,A2),(F),##__VA_ARGS__) std::pair gr_get_string_wrap(const char *s, unsigned limit); void gr_get_string_size(const char *s, int *string_width, int *string_height, int *average_width); // From scale.c void scale_bitmap(const grs_bitmap &bp, const array &vertbuf, int orientation); //=========================================================================== // Global variables extern grs_canvas *grd_curcanv; //active canvas extern std::unique_ptr grd_curscreen; //active screen void gr_set_default_canvas(); void gr_set_current_canvas(grs_canvas &); void _gr_set_current_canvas(grs_canvas *); static inline void _gr_set_current_canvas_inline(grs_canvas *canv) { if (canv) gr_set_current_canvas(*canv); else gr_set_default_canvas(); } static inline void gr_set_current_canvas(grs_canvas *canv) { #ifdef DXX_HAVE_BUILTIN_CONSTANT_P if (__builtin_constant_p(!canv)) _gr_set_current_canvas_inline(canv); else #endif _gr_set_current_canvas(canv); } //flags for fonts #define FT_COLOR 1 #define FT_PROPORTIONAL 2 #define FT_KERNED 4 extern palette_array_t gr_palette; typedef array, GR_FADE_LEVELS> gft_array1; extern gft_array1 gr_fade_table; } extern uint16_t gr_palette_selector; extern uint16_t gr_inverse_table_selector; extern uint16_t gr_fade_table_selector; // Remaps a bitmap into the current palette. If transparent_color is // between 0 and 255 then all occurances of that color are mapped to // whatever color the 2d uses for transparency. This is normally used // right after a call to iff_read_bitmap like this: // iff_error = iff_read_bitmap(filename,new,BM_LINEAR,newpal); // if (iff_error != IFF_NO_ERROR) Error("Can't load IFF file <%s>, error=%d",filename,iff_error); // if (iff_has_transparency) // gr_remap_bitmap(new, newpal, iff_transparent_color); // else // gr_remap_bitmap(new, newpal, -1); // Same as above, but searches using gr_find_closest_color which uses // 18-bit accurracy instead of 15bit when translating colors. namespace dcx { void gr_remap_bitmap_good(grs_bitmap &bmp, palette_array_t &palette, uint_fast32_t transparent_color, uint_fast32_t super_transparent_color); void gr_palette_step_up(int r, int g, int b); #define BM_RGB(r,g,b) ((((r)&31)<<10) | (((g)&31)<<5) | ((b)&31)) #define BM_XRGB(r,g,b) gr_find_closest_color((r)*2,(g)*2,(b)*2) // Given: r,g,b, each in range of 0-63, return the color index that // best matches the input. color_t gr_find_closest_color(int r, int g, int b); int gr_find_closest_color_15bpp(int rgb); void gr_flip(); /* * must return 0 if windowed, 1 if fullscreen */ int gr_check_fullscreen(); /* * returns state after toggling (ie, same as if you had called * check_fullscreen immediatly after) */ void gr_toggle_fullscreen(); void ogl_do_palfx(); void ogl_init_pixel_buffers(unsigned w, unsigned h); void ogl_close_pixel_buffers(); } void ogl_cache_polymodel_textures(int model_num);; #endif