qcsrc/lib/draw.qh

   1 #pragma once
   2
   3 #ifdef CSQC
   4
   5         #include "i18n.qh"
   6         #include "vector.qh"
   7
   8         noref float vid_conwidth;
   9         noref float vid_conheight;
  10
  11         void Draw_CylindricLine(vector from, vector to, float thickness, string texture, float aspect, float shift, vector rgb, float theAlpha, float drawflag, vector vieworg)
  12         {
  13                 // I want to draw a quad...
  14                 // from and to are MIDPOINTS.
  15
  16                 float len = vlen(to - from);
  17                 if (!len)
  18                         return;
  19
  20                 float length_tex = aspect * len / thickness;
  21                 vector axis = (to - from) / len; // same as axis = normalize(to - from) but cheaper
  22
  23                 // direction is perpendicular to the view normal, and perpendicular to the axis
  24                 vector thickdir = normalize(cross(axis, vieworg - from));
  25
  26                 vector ofs = thickdir * (thickness / 2);
  27
  28                 R_BeginPolygon(texture, drawflag, false);
  29                 R_PolygonVertex(from - ofs, '0 0 0' + shift * '1 0 0', rgb, theAlpha);
  30                 R_PolygonVertex(from + ofs, '0 1 0' + shift * '1 0 0', rgb, theAlpha);
  31                 R_PolygonVertex(to + ofs,   '0 1 0' + (shift + length_tex) * '1 0 0', rgb, theAlpha);
  32                 R_PolygonVertex(to - ofs,   '0 0 0' + (shift + length_tex) * '1 0 0', rgb, theAlpha);
  33                 R_EndPolygon();
  34         }
  35
  36 // a border picture is a texture containing nine parts:
  37 //   1/4 width: left part
  38 //   1/2 width: middle part (stretched)
  39 //   1/4 width: right part
  40 // divided into
  41 //   1/4 height: top part
  42 //   1/2 height: middle part (stretched)
  43 //   1/4 height: bottom part
  44         void draw_BorderPicture(vector theOrigin, string pic, vector theSize, vector theColor, float theAlpha, vector theBorderSize)
  45         {
  46                 if (theBorderSize.x < 0 && theBorderSize.y < 0)  // draw whole image as it is
  47                 {
  48                         drawpic_builtin(theOrigin, pic, theSize, theColor, theAlpha, 0);
  49                         return;
  50                 }
  51                 if (theBorderSize.x == 0 && theBorderSize.y == 0)  // no border
  52                 {
  53                         // draw only the central part
  54                         drawsubpic(theOrigin, theSize, pic, '0.25 0.25 0', '0.5 0.5 0', theColor, theAlpha, 0);
  55                         return;
  56                 }
  57
  58                 vector dX, dY;
  59                 vector width, height;
  60                 vector bW, bH;
  61                 // pic = draw_UseSkinFor(pic);
  62                 width = eX * theSize.x;
  63                 height = eY * theSize.y;
  64                 if (theSize.x <= theBorderSize.x * 2)
  65                 {
  66                         // not wide enough... draw just left and right then
  67                         bW = eX * (0.25 * theSize.x / (theBorderSize.x * 2));
  68                         if (theSize.y <= theBorderSize.y * 2)
  69                         {
  70                                 // not high enough... draw just corners
  71                                 bH = eY * (0.25 * theSize.y / (theBorderSize.y * 2));
  72                                 drawsubpic(theOrigin,                 width * 0.5 + height * 0.5, pic, '0 0 0',           bW + bH, theColor, theAlpha, 0);
  73                                 drawsubpic(theOrigin + width   * 0.5, width * 0.5 + height * 0.5, pic, eX - bW,           bW + bH, theColor, theAlpha, 0);
  74                                 drawsubpic(theOrigin + height  * 0.5, width * 0.5 + height * 0.5, pic, eY - bH,           bW + bH, theColor, theAlpha, 0);
  75                                 drawsubpic(theOrigin + theSize * 0.5, width * 0.5 + height * 0.5, pic, eX + eY - bW - bH, bW + bH, theColor, theAlpha, 0);
  76                         }
  77                         else
  78                         {
  79                                 dY = theBorderSize.x * eY;
  80                                 drawsubpic(theOrigin,                             width * 0.5          +     dY, pic, '0 0    0',           '0 0.25 0' + bW, theColor, theAlpha, 0);
  81                                 drawsubpic(theOrigin + width * 0.5,               width * 0.5          +     dY, pic, '0 0    0' + eX - bW, '0 0.25 0' + bW, theColor, theAlpha, 0);
  82                                 drawsubpic(theOrigin                        + dY, width * 0.5 + height - 2 * dY, pic, '0 0.25 0',           '0 0.5  0' + bW, theColor, theAlpha, 0);
  83                                 drawsubpic(theOrigin + width * 0.5          + dY, width * 0.5 + height - 2 * dY, pic, '0 0.25 0' + eX - bW, '0 0.5  0' + bW, theColor, theAlpha, 0);
  84                                 drawsubpic(theOrigin               + height - dY, width * 0.5          +     dY, pic, '0 0.75 0',           '0 0.25 0' + bW, theColor, theAlpha, 0);
  85                                 drawsubpic(theOrigin + width * 0.5 + height - dY, width * 0.5          +     dY, pic, '0 0.75 0' + eX - bW, '0 0.25 0' + bW, theColor, theAlpha, 0);
  86                         }
  87                 }
  88                 else
  89                 {
  90                         if (theSize.y <= theBorderSize.y * 2)
  91                         {
  92                                 // not high enough... draw just top and bottom then
  93                                 bH = eY * (0.25 * theSize.y / (theBorderSize.y * 2));
  94                                 dX = theBorderSize.x * eX;
  95                                 drawsubpic(theOrigin,                                         dX + height * 0.5, pic, '0    0 0',           '0.25 0 0' + bH, theColor, theAlpha, 0);
  96                                 drawsubpic(theOrigin + dX,                        width - 2 * dX + height * 0.5, pic, '0.25 0 0',           '0.5  0 0' + bH, theColor, theAlpha, 0);
  97                                 drawsubpic(theOrigin + width - dX,                            dX + height * 0.5, pic, '0.75 0 0',           '0.25 0 0' + bH, theColor, theAlpha, 0);
  98                                 drawsubpic(theOrigin              + height * 0.5,             dX + height * 0.5, pic, '0    0 0' + eY - bH, '0.25 0 0' + bH, theColor, theAlpha, 0);
  99                                 drawsubpic(theOrigin + dX         + height * 0.5, width - 2 * dX + height * 0.5, pic, '0.25 0 0' + eY - bH, '0.5  0 0' + bH, theColor, theAlpha, 0);
 100                                 drawsubpic(theOrigin + width - dX + height * 0.5,             dX + height * 0.5, pic, '0.75 0 0' + eY - bH, '0.25 0 0' + bH, theColor, theAlpha, 0);
 101                         }
 102                         else
 103                         {
 104                                 dX = theBorderSize.x * eX;
 105                                 dY = theBorderSize.x * eY;
 106                                 drawsubpic(theOrigin,                                        dX          +     dY, pic, '0    0    0', '0.25 0.25 0', theColor, theAlpha, 0);
 107                                 drawsubpic(theOrigin                  + dX,      width - 2 * dX          +     dY, pic, '0.25 0    0', '0.5  0.25 0', theColor, theAlpha, 0);
 108                                 drawsubpic(theOrigin          + width - dX,                  dX          +     dY, pic, '0.75 0    0', '0.25 0.25 0', theColor, theAlpha, 0);
 109                                 drawsubpic(theOrigin          + dY,                          dX + height - 2 * dY, pic, '0    0.25 0', '0.25 0.5  0', theColor, theAlpha, 0);
 110                                 drawsubpic(theOrigin          + dY         + dX, width - 2 * dX + height - 2 * dY, pic, '0.25 0.25 0', '0.5  0.5  0', theColor, theAlpha, 0);
 111                                 drawsubpic(theOrigin          + dY + width - dX,             dX + height - 2 * dY, pic, '0.75 0.25 0', '0.25 0.5  0', theColor, theAlpha, 0);
 112                                 drawsubpic(theOrigin + height - dY,                          dX          +     dY, pic, '0    0.75 0', '0.25 0.25 0', theColor, theAlpha, 0);
 113                                 drawsubpic(theOrigin + height - dY         + dX, width - 2 * dX          +     dY, pic, '0.25 0.75 0', '0.5  0.25 0', theColor, theAlpha, 0);
 114                                 drawsubpic(theOrigin + height - dY + width - dX,             dX          +     dY, pic, '0.75 0.75 0', '0.25 0.25 0', theColor, theAlpha, 0);
 115                         }
 116                 }
 117         }
 118
 119         ERASEABLE
 120         void drawstringright(vector position, string text, vector theScale, vector rgb, float theAlpha, int flag)
 121         {
 122                 position.x -= 2 / 3 * strlen(text) * theScale.x;
 123                 drawstring_builtin(position, text, theScale, rgb, theAlpha, flag);
 124         }
 125
 126         ERASEABLE
 127         void drawstringcenter(vector position, string text, vector theScale, vector rgb, float theAlpha, int flag)
 128         {
 129                 position.x = 0.5 * (vid_conwidth - 0.6025 * strlen(text) * theScale.x);
 130                 drawstring_builtin(position, text, theScale, rgb, theAlpha, flag);
 131         }
 132
 133 #endif