/*----------------------------------------------------------------------------* | This file is part of DEU (Doom Editing Utilities), created by the DEU team:| | Raphael Quinet, Brendon Wyber, Ted Vessenes and others. See README.1ST or | | the "about" dialog box for full credits. | | | | DEU is an open project: if you think that you can contribute, please join | | the DEU team. You will be credited for any code (or ideas) included in | | the next version of the program. | | | | If you want to make any modifications and re-distribute them on your own, | | you must follow the conditions of the DEU license. Read the file LICENSE | | in this directory or README.1ST in the top directory. If do not have a | | copy of these files, you can request them from any member of the DEU team, | | or by mail: Raphael Quinet, Rue des Martyrs 9, B-4550 Nandrin (Belgium). | | | | This program comes with absolutely no warranty. Use it at your own risks! | *----------------------------------------------------------------------------* G_GFXWAT.C - Graphical routines for Watcom C Functions written by Aaron Faircloth */ /* the includes */ #include "deu.h" #include #include #include #include #include "d_misc.h" #include "d_config.h" #include "d_wads.h" #include "g_mouse.h" #include "g_colcnv.h" #include "g_gfx.h" /* the global variables */ Int16 OrigX; /* the X origin */ Int16 OrigY; /* the Y origin */ float Scale; /* the scale value */ UInt16 PointerX; /* X position of pointer */ UInt16 PointerY; /* Y position of pointer */ UInt16 ScrMaxX; /* maximum X screen coord */ UInt16 ScrMaxY; /* maximum Y screen coord */ UInt16 ScrCenterX; /* X coord of screen center */ UInt16 ScrCenterY; /* Y coord of screen center */ /* private */ static int current_color; /* current color */ /* almost private: shared with g_colcnv.c */ int num_colors = -1; /* number of colors available */ /* Initialise the graphics display. */ void InitGfx(void) { static Bool first_time = TRUE; static int gdriver; static int gmode; int errorcode; struct videoconfig vc; printf("Switching to graphics mode...\n"); if (Config.videoMode < 0) Config.videoMode = 0; /*! should add support for 16 colors modes too */ if (VideoMode == 0) _setvideomode(_VRES256COLOR); else if (VideoMode == 1) _setvideomode(_SVRES256COLOR); else _setvideomode(_XRES256COLOR); if (_grstatus() != 0) ProgError( "Error Initializing graphics mode: %d!\n", VideoMode); /*! should get the real number of colors */ num_colors = 256; if (num_colors >= 256) SetDoomPalette(0); _getvideoconfig(&vc); SetColor(WHITE); _setbkcolor(TranslateToDoomColor(BLACK)); /*! setlinestyle(0, 0, 1); */ /*! settextstyle(0, 0, 1); */ ScrMaxX = vc.numxpixels; ScrMaxY = vc.numypixels; ScrCenterX = ScrMaxX / 2; ScrCenterY = ScrMaxY / 2; /* Initialise the mouse driver */ InitMouseDriver(); if (UseMouse) { ResetMouseLimits(); SetMouseCoords(ScrCenterX, ScrCenterY); ShowMousePointer(); } } /* Terminate the graphics display. */ void TermGfx(void) { if (num_colors > 0) { if (UseMouse) HideMousePointer(); _setvideomode(_DEFAULTMODE); num_colors = -1; } } /* Returns TRUE if DEU is in graphics mode, FALSE if it is in text mode. */ Bool InGfxMode(void) { return (num_colors > 0); } /* Clear the screen. */ void ClearScreen(void) { _clearscreen(_GCLEARSCREEN); } /* Set the line drawing mode: normal or XOR. */ void SetLineDrawingMode(int mode) { switch (mode) { case DRAW_NORMAL: _setplotaction(_GPSET); break; case DRAW_XOR: _setplotaction(_GXOR); break; default: ProgError("BUG: Invalid line drawing mode: %d", mode); break; } } /* Set the line style: width and pattern (solid, dotted, dashed). */ void SetLinePatternAndWidth(int pattern, int width) { if (width != 1 && width != 3) ProgError("BUG: Invalid line width: %d", width); switch (pattern) { case SOLID_PATTERN: /*! setlinestyle(SOLID_LINE, 0, width); */ break; case DOTTED_PATTERN: /*! setlinestyle(DOTTED_LINE, 0, width); */ break; case DASHED_PATTERN: /*! setlinestyle(DASHED_LINE, 0, width); */ break; default: ProgError("BUG: Invalid line pattern: %d", pattern); break; } } /* Draw a line on the screen from map coords. */ void DrawMapLine(Int16 mapXstart, Int16 mapYstart, Int16 mapXend, Int16 mapYend) { _moveto(SCREENX(mapXstart), SCREENY(mapYstart)); _lineto(SCREENX(mapXend), SCREENY(mapYend)); } /* Draw a circle on the screen from map coords. */ void DrawMapCircle(Int16 mapXcenter, Int16 mapYcenter, Int16 mapRadius) { Int16 rad = (Int16)(mapRadius * Scale); _ellipse(_GBORDER, SCREENX(mapXcenter) - rad, SCREENY(mapYcenter) - rad, SCREENX(mapXcenter) + rad, SCREENY(mapYcenter) + rad); } /* Draw an arrow on the screen from map coords. */ void DrawMapVector(Int16 mapXstart, Int16 mapYstart, Int16 mapXend, Int16 mapYend) { Int16 scrXstart = SCREENX(mapXstart); Int16 scrYstart = SCREENY(mapYstart); Int16 scrXend = SCREENX(mapXend); Int16 scrYend = SCREENY(mapYend); double r = hypot((double) (scrXstart - scrXend), (double) (scrYstart - scrYend)); Int16 scrXoff = (r >= 1.0) ? (Int16) ((scrXstart - scrXend) * 8.0 / r * Scale) : 0; Int16 scrYoff = (r >= 1.0) ? (Int16) ((scrYstart - scrYend) * 8.0 / r * Scale) : 0; _moveto(scrXstart, scrYstart); _lineto(scrXend, scrYend); scrXstart = scrXend + 2 * scrXoff; scrYstart = scrYend + 2 * scrYoff; _moveto(scrXstart - scrYoff, scrYstart + scrXoff); _lineto(scrXend, scrYend); _lineto(scrXstart + scrYoff, scrYstart - scrXoff); } /* Draw an arrow on the screen from map coords and angle (0 - 65535). */ void DrawMapArrow(Int16 mapXstart, Int16 mapYstart, UInt16 angle) { Int16 mapXend = mapXstart + (Int16) (50 * cos(angle / 10430.37835)); Int16 mapYend = mapYstart + (Int16) (50 * sin(angle / 10430.37835)); Int16 scrXstart = SCREENX(mapXstart); Int16 scrYstart = SCREENY(mapYstart); Int16 scrXend = SCREENX(mapXend); Int16 scrYend = SCREENY(mapYend); double r = hypot(scrXstart - scrXend, scrYstart - scrYend); Int16 scrXoff = (r >= 1.0) ? (Int16) ((scrXstart - scrXend) * 8.0 / r * Scale) : 0; Int16 scrYoff = (r >= 1.0) ? (Int16) ((scrYstart - scrYend) * 8.0 / r * Scale) : 0; _moveto(scrXstart, scrYstart); _lineto(scrXend, scrYend); scrXstart = scrXend + 2 * scrXoff; scrYstart = scrYend + 2 * scrYoff; _moveto(scrXstart - scrYoff, scrYstart + scrXoff); _lineto(scrXend, scrYend); _lineto(scrXstart + scrYoff, scrYstart - scrXoff); } /* Draw a pixel on the screen. */ void DrawScreenPixel(Int16 X, Int16 Y) { _setpixel(X, Y); } /* Draw a line on the screen from screen coords. */ void DrawScreenLine(Int16 Xstart, Int16 Ystart, Int16 Xend, Int16 Yend) { _moveto(Xstart, Ystart); _lineto(Xend, Yend); } /* Draw a rectangle on the screen from screen coords. */ void DrawScreenRectangle(Int16 Xstart, Int16 Ystart, Int16 Xend, Int16 Yend) { /*! _rectangle(_G??????, Xstart, Ystart, Xend, Yend); */ } /* Draw a filled in box on the screen from screen coords. */ void DrawScreenBox(Int16 Xstart, Int16 Ystart, Int16 Xend, Int16 Yend) { _rectangle(_GFILLINTERIOR, Xstart, Ystart, Xend, Yend); } /* Draw a filled-in 3D-box on the screen from screen coords. */ void DrawScreenBox3D(Int16 Xstart, Int16 Ystart, Int16 Xend, Int16 Yend) { SetColor(LIGHTGRAY); _rectangle(_GFILLINTERIOR, Xstart + 1, Ystart + 1, Xend - 1, Yend - 1); SetColor(DARKGRAY); _moveto(Xstart, Yend); _lineto(Xend, Yend); _lineto(Xend, Ystart); if (Xend - Xstart > 20 && Yend - Ystart > 20) { _moveto(Xstart + 1, Yend - 1); _lineto(Xend - 1, Yend - 1); _lineto(Xend - 1, Ystart + 1); SetColor(WHITE); _moveto(Xstart + 1, Yend - 1); _lineto(Xstart + 1, Ystart + 1); _lineto(Xend - 1, Ystart + 1); } SetColor(WHITE); _moveto(Xend, Ystart); _lineto(Xstart, Ystart); _lineto(Xstart, Yend); SetColor(BLACK); } /* Draw a sunken 3D-box on the screen from screen coords. */ void DrawScreenBoxSunken(Int16 Xstart, Int16 Ystart, Int16 Xend, Int16 Yend) { SetColor(LIGHTGRAY); _rectangle(_GFILLINTERIOR, Xstart + 1, Ystart + 1, Xend - 1, Yend - 1); SetColor(WHITE); _moveto(Xstart, Yend); _lineto(Xend, Yend); _lineto(Xend, Ystart); if (Xend - Xstart > 20 && Yend - Ystart > 20) { _moveto(Xstart + 1, Yend - 1); _lineto(Xend - 1, Yend - 1); _lineto(Xend - 1, Ystart + 1); SetColor(DARKGRAY); _moveto(Xstart + 1, Yend - 1); _lineto(Xstart + 1, Ystart + 1); _lineto(Xend - 1, Ystart + 1); } SetColor(DARKGRAY); _moveto(Xend, Ystart); _lineto(Xstart, Ystart); _lineto(Xstart, Yend); SetColor(WHITE); } /* Draw a hollow 3D-box on the screen from screen coords. */ void DrawScreenBoxHollow(Int16 Xstart, Int16 Ystart, Int16 Xend, Int16 Yend) { SetColor(BLACK); _rectangle(_GFILLINTERIOR, Xstart + 1, Ystart + 1, Xend - 1, Yend - 1); SetColor(WHITE); _moveto(Xstart, Yend); _lineto(Xend, Yend); _lineto(Xend, Ystart); if (Xend - Xstart > 20 && Yend - Ystart > 20) { _moveto(Xstart + 1, Yend - 1); _lineto(Xend - 1, Yend - 1); _lineto(Xend - 1, Ystart + 1); SetColor(DARKGRAY); _moveto(Xstart + 1, Yend - 1); _lineto(Xstart + 1, Ystart + 1); _lineto(Xend - 1, Ystart + 1); } SetColor(DARKGRAY); _moveto(Xend, Ystart); _lineto(Xstart, Ystart); _lineto(Xstart, Yend); SetColor(WHITE); } /* Draw a meter bar on the screen from screen coords (in a hollow box); max. value = 1.0 */ void DrawScreenMeter(Int16 Xstart, Int16 Ystart, Int16 Xend, Int16 Yend, float value) { if (value < 0.0) value = 0.0; if (value > 1.0) value = 1.0; SetColor(BLACK); _rectangle(_GFILLINTERIOR, (Xstart + 1 + (Int16) ((Xend - Xstart - 2) * value), Ystart + 1, Xend - 1, Yend - 1); SetColor(LIGHTGREEN); _rectangle(_GFILLINTERIOR, Xstart + 1, Ystart + 1, Xstart + 1 + (Int16) ((Xend - Xstart - 2) * value), Yend - 1); } /* Write text to the screen. */ void DrawScreenText(Int16 Xstart, Int16 Ystart, char *msg, ...) { static Int16 lastX; static Int16 lastY; char temp[120]; va_list args; va_start(args, msg); vsprintf(temp, msg, args); va_end(args); if (Xstart < 0) Xstart = lastX; if (Ystart < 0) Ystart = lastY; _moveto(Xstart, Ystart); _outgtext(temp); lastX = Xstart; lastY = Ystart + 10; /* or textheight("W") ? */ } /* Draw a bitmap on the screen (from data in "flat" format). */ void DrawScreenBitmap(Int16 Xstart, Int16 Ystart, Int16 Xend, Int16 Yend, UInt8 far *pixels) { Int16 i, j; if (num_colors == 256) { /*! later, replace this by a call to _putimage() */ for (i = Ystart; i <= Yend; i++) for (j = Xstart; j <= Xend; j++) { _setcolor(*pixels); _setpixel(j, i); pixels++; } } else { for (i = Ystart; i <= Yend; i++) for (j = Xstart; j <= Xend; j++) { _setcolor(TranslateTo16Color(*pixels)); _setpixel(j, i); pixels++; } } } /* Draw (or erase) the pointer if we aren't using the mouse. */ void DrawPointer(Bool rulers) { UInt16 r; /* use XOR mode : drawing the pointer twice erases it */ _setplotaction( _GXOR); /* draw the pointer */ if (rulers) { SetColor(MAGENTA); r = (UInt16) (512 * Scale); /*! circle(PointerX, PointerY, r); */ r >>= 1; /*! circle(PointerX, PointerY, r); */ r >>= 1; /*! circle(PointerX, PointerY, r); */ r >>= 1; /*! circle(PointerX, PointerY, r); */ r = (UInt16) (1024 * Scale); _moveto(PointerX - r, PointerY); _lineto(PointerX + r, PointerY); _moveto(PointerX, PointerY - r); _lineto(PointerX, PointerY + r); } else { SetColor(YELLOW); _moveto(PointerX - 15, PointerY - 13); _lineto(PointerX + 15, PointerY + 13); _moveto(PointerX - 15, PointerY + 13); _lineto(PointerX + 15, PointerY - 13); } /* restore normal write mode */ _setplotaction( _GPSET); } /* Load one "playpal" palette and change all palette colours. */ void SetDoomPalette(int playpalnum) { MDirPtr dir; UInt8 huge *dpal; int n; if (playpalnum < 0 && playpalnum > 13) return; dir = FindMasterDir(MasterDir, "PLAYPAL"); if (dir) { dpal = (UInt8 huge *)GetFarMemory(768 * sizeof(UInt8)); BasicWadSeek(dir->wadfile, dir->dir.start); for (n = 0; n <= playpalnum; n++) BasicWadRead(dir->wadfile, dpal, 768L); /* gamma correction */ if (Config.gamma > 0 && Config.gamma <= 4) { float gmult[5] = {1.0, 0.75, 0.55, 0.4, 0.3}; for (n = 0; n < 768; n++) dpal[n] = (UInt8) (pow(((double) dpal[n] / 255.0), gmult[Config.gamma]) * 255.0); } if (Config.forceWhite == TRUE) { dpal[3 * WHITE] = 255; dpal[3 * WHITE + 1] = 255; dpal[3 * WHITE + 2] = 255; } outp(0x03c8, 0); for (n = 0; n < 256; n++) { outp(0x03c9, *dpal++); outp(0x03c9, *dpal++); outp(0x03c9, *dpal++); } FreeFarMemory(dpal); } } Set the current drawing color (from one of the 16 color constants). */ void SetColor(int color16) { if (num_colors >= 256) color16 = TranslateToDoomColor(color16); _setcolor(color16); /* update the global variable */ current_color = color16; } /* Set the current drawing color (from Doom palette #0). */ void SetDoomColor(int color256) { if (num_colors < 256) color256 = TranslateTo16Color(color256); _setcolor(color256); /* update the global variable */ current_color = color256; } /* Wait for a key. */ UInt16 WaitForKey(void) { UInt16 key; key = _bios_keybrd(0); if ((key & 0x00FF) != 0) return key & 0x00FF; else { key = key & 0xFF00; if (key == PCKEY_INS && (bioskey(2) & 0x03) != 0) return PCKEY_SHIFT_INS; else if (key == PCKEY_DEL && (bioskey(2) & 0x03) != 0) return PCKEY_SHIFT_DEL; else return key; } } /* Test is a key has been pressed (non-blocking). */ Bool IsKeyPressed(void) { if (_bios_keybrd(1) != 0) return TRUE; else return FALSE; } /* Get the status of the modifiers: Shift, Alt, Ctrl,... (non-blocking). */ UInt16 GetAltKeys(void) { return _bios_keybrd(2); } /* end of file */