data/qcsrc/client/hook.qc

   1 .vector HookStart;
   2 .vector HookEnd;
   3 .float HookKillTime;
   4 void Net_GrapplingHook()
   5 {
   6         float i;
   7         vector start, end;
   8         entity p;
   9
  10         i = ReadShort();
  11         end_x = ReadCoord();
  12         end_y = ReadCoord();
  13         end_z = ReadCoord();
  14         start_x = ReadCoord();
  15         start_y = ReadCoord();
  16         start_z = ReadCoord();
  17
  18         if(i <= 0 || i >= 256) // not owned by a client
  19                 return;
  20         --i;
  21
  22         p = playerslots[i];
  23         if(!p)
  24                 return;
  25
  26         p.HookKillTime = time + 0.1;
  27         p.HookStart = start;
  28         p.HookEnd = end;
  29 }
  30
  31 void Draw_GrapplingHookLine(vector from, vector to, float thickness, vector org, vector view_forward, string texture, float aspect, vector rgb)
  32 {
  33         // I want to draw a quad...
  34         // from and to are MIDPOINTS.
  35
  36         float t;
  37         vector axis, thickdir, A, B, C, D;
  38         float length_tex;
  39
  40         t = -2 * time;
  41         t = random();
  42
  43         axis = normalize(to - from);
  44         length_tex = aspect * vlen(to - from) / thickness;
  45
  46         // direction is perpendicular to the view normal, and perpendicular to the axis
  47         thickdir = normalize(cross(axis, org - from));
  48
  49         A = from - thickdir * (thickness / 2);
  50         B = from + thickdir * (thickness / 2);
  51         C = to + thickdir * (thickness / 2);
  52         D = to - thickdir * (thickness / 2);
  53
  54         if(checkextension("DP_SV_WRITEPICTURE"))
  55                 R_BeginPolygon(texture, 0);
  56         else
  57                 R_BeginPolygon("", 0);
  58         R_PolygonVertex(A, '0 0 0' + t * '1 0 0', rgb, 1);
  59         R_PolygonVertex(B, '0 1 0' + t * '1 0 0', rgb, 1);
  60         R_PolygonVertex(C, '0 1 0' + (t + length_tex) * '1 0 0', rgb, 1);
  61         R_PolygonVertex(D, '0 0 0' + (t + length_tex) * '1 0 0', rgb, 1);
  62         R_EndPolygon();
  63 }
  64
  65 void Draw_GrapplingHook()
  66 {
  67         float i;
  68         vector a, b, o;
  69         entity e;
  70         string tex;
  71
  72         o = pmove_org + '0 0 1' * getstati(STAT_VIEWHEIGHT);
  73         makevectors(input_angles);
  74
  75         for(i = 0; i < 255; ++i)
  76         {
  77                 e = playerslots[i];
  78                 if(!e)
  79                         continue;
  80                 if(time >= e.HookKillTime)
  81                         continue;
  82                 if(i == player_localentnum - 1)
  83                         a = o + v_forward * 8 - v_right * 8 + v_up * -12;
  84                 else
  85                         a = e.HookStart;
  86                 b = e.HookEnd;
  87                 if(e.team == COLOR_TEAM1)
  88                         tex = "particles/hook_red";
  89                 else if(e.team == COLOR_TEAM2)
  90                         tex = "particles/hook_blue";
  91                 else if(e.team == COLOR_TEAM3)
  92                         tex = "particles/hook_yellow";
  93                 else if(e.team == COLOR_TEAM4)
  94                         tex = "particles/hook_pink";
  95                 else
  96                         tex = "particles/hook_green";
  97                 Draw_GrapplingHookLine(b, a, 8, o, v_forward, tex, 0.25, '1 1 1');
  98         }
  99 }