r_crosshairs.c

   1 #include "quakedef.h"
   2
   3 cvar_t crosshair_brightness = {"crosshair_brightness", "1.0", true};
   4 cvar_t crosshair_alpha = {"crosshair_alpha", "1.0", true};
   5 cvar_t crosshair_flashspeed = {"crosshair_flashspeed", "2", true};
   6 cvar_t crosshair_flashrange = {"crosshair_flashrange", "0.1", true};
   7
   8 #define NUMCROSSHAIRS 1
   9
  10 int crosshairtex[NUMCROSSHAIRS];
  11
  12 char crosshairtex1[16*16] =
  13         "0000000000000000"
  14         "0000000000000000"
  15         "0000000000000000"
  16         "0003000000003000"
  17         "0000500000050000"
  18         "0000070000700000"
  19         "0000007007000000"
  20         "0000000000000000"
  21         "0000000000000000"
  22         "0000007007000000"
  23         "0000070000700000"
  24         "0000500000050000"
  25         "0003000000003000"
  26         "0000000000000000"
  27         "0000000000000000"
  28         "0000000000000000"
  29 ;
  30
  31 void r_crosshairs_start()
  32 {
  33         int i;
  34         byte data[64*64][4];
  35         for (i = 0;i < 16*16;i++)
  36         {
  37                 data[i][0] = data[i][1] = data[i][2] = 255;
  38                 data[i][3] = (crosshairtex1[i] - '0') * 255 / 7;
  39         }
  40         crosshairtex[0] = GL_LoadTexture("crosshair0", 16, 16, &data[0][0], false, true, 4);
  41 }
  42
  43 void r_crosshairs_shutdown()
  44 {
  45 }
  46
  47 void R_Crosshairs_Init()
  48 {
  49         Cvar_RegisterVariable(&crosshair_brightness);
  50         Cvar_RegisterVariable(&crosshair_alpha);
  51         Cvar_RegisterVariable(&crosshair_flashspeed);
  52         Cvar_RegisterVariable(&crosshair_flashrange);
  53         R_RegisterModule("R_Crosshairs", r_crosshairs_start, r_crosshairs_shutdown);
  54 }
  55
  56 void DrawCrosshair(int num)
  57 {
  58         byte *color;
  59         float scale, base;
  60 //      Draw_Character (r_refdef.vrect.x + r_refdef.vrect.width/2, r_refdef.vrect.y + r_refdef.vrect.height/2, '+');
  61         if (num < 0 || num >= NUMCROSSHAIRS)
  62                 num = 0;
  63         if (cl.viewentity)
  64         {
  65                 int i = (cl.scores[cl.viewentity-1].colors & 0xF) << 4;
  66                 if (i >= 208 && i < 224) // blue
  67                         i += 8;
  68                 else if (i < 128 || i >= 224) // 128-224 are backwards ranges (bright to dark, rather than dark to bright)
  69                         i += 15;
  70                 color = (byte *) &d_8to24table[i];
  71         }
  72         else
  73                 color = (byte *) &d_8to24table[15];
  74         if (crosshair_flashspeed.value >= 0.01f)
  75 //              scale = (sin(realtime * crosshair_flashspeed.value * (M_PI*2.0f)) * crosshair_flashrange.value + 1.0f) * (1.0f / 255.0f);
  76                 base = (sin(realtime * crosshair_flashspeed.value * (M_PI*2.0f)) * crosshair_flashrange.value);
  77         else
  78                 base = 0.0f;
  79         scale = crosshair_brightness.value / 255.0f;
  80         Draw_GenericPic(crosshairtex[num], color[0] * scale + base, color[1] * scale + base, color[2] * scale + base, crosshair_alpha.value, r_refdef.vrect.x + r_refdef.vrect.width * 0.5f - 8.0f, r_refdef.vrect.y + r_refdef.vrect.height * 0.5f - 8.0f, 16.0f, 16.0f);
  81 }
  82