data/qcsrc/client/hook.qc

   1 .vector HookStart;
   2 .vector HookEnd;
   3 .float HookKillTime;
   4
   5 void Draw_CylindricLine(vector from, vector to, float thickness, string texture, float aspect, float shift, vector rgb, float alpha, float drawflag)
   6 {
   7         // I want to draw a quad...
   8         // from and to are MIDPOINTS.
   9
  10         vector axis, thickdir, A, B, C, D;
  11         float length_tex;
  12
  13         axis = normalize(to - from);
  14         length_tex = aspect * vlen(to - from) / thickness;
  15
  16         // direction is perpendicular to the view normal, and perpendicular to the axis
  17         thickdir = normalize(cross(axis, view_origin - from));
  18
  19         A = from - thickdir * (thickness / 2);
  20         B = from + thickdir * (thickness / 2);
  21         C = to + thickdir * (thickness / 2);
  22         D = to - thickdir * (thickness / 2);
  23
  24         R_BeginPolygon(texture, drawflag);
  25         R_PolygonVertex(A, '0 0 0' + shift * '1 0 0', rgb, alpha);
  26         R_PolygonVertex(B, '0 1 0' + shift * '1 0 0', rgb, alpha);
  27         R_PolygonVertex(C, '0 1 0' + (shift + length_tex) * '1 0 0', rgb, alpha);
  28         R_PolygonVertex(D, '0 0 0' + (shift + length_tex) * '1 0 0', rgb, alpha);
  29         R_EndPolygon();
  30 }
  31
  32 string Draw_GrapplingHook_trace_callback_tex;
  33 float Draw_GrapplingHook_trace_callback_rnd;
  34 void Draw_GrapplingHook_trace_callback(vector start, vector hit, vector end)
  35 {
  36         Draw_CylindricLine(hit, start, 8, Draw_GrapplingHook_trace_callback_tex, 0.25, Draw_GrapplingHook_trace_callback_rnd, '1 1 1', 1, DRAWFLAG_NORMAL);
  37         Draw_GrapplingHook_trace_callback_rnd += 0.25 * vlen(hit - start) / 8;
  38 }
  39
  40 void Draw_GrapplingHook()
  41 {
  42         vector a, b;
  43         string tex;
  44         vector rgb;
  45         float t;
  46
  47         if(time >= self.HookKillTime)
  48                 return;
  49         if(self.sv_entnum == player_localentnum - 1)
  50                 a = view_origin + view_forward * hook_shotorigin_x + view_right * hook_shotorigin_y + view_up * hook_shotorigin_z;
  51         else
  52                 a = self.HookStart;
  53         b = self.HookEnd;
  54
  55         t = GetPlayerColorForce(self.sv_entnum);
  56
  57         if(t == COLOR_TEAM1)
  58         {
  59                 tex = "particles/hook_red";
  60                 rgb = '1 .3 .3';
  61         }
  62         else if(t == COLOR_TEAM2)
  63         {
  64                 tex = "particles/hook_blue";
  65                 rgb = '.3 .3 1';
  66         }
  67         else if(t == COLOR_TEAM3)
  68         {
  69                 tex = "particles/hook_yellow";
  70                 rgb = '1 1 .3';
  71         }
  72         else if(t == COLOR_TEAM4)
  73         {
  74                 tex = "particles/hook_pink";
  75                 rgb = '1 .3 1';
  76         }
  77         else
  78         {
  79                 tex = "particles/hook_green";
  80                 rgb = '.3 1 .3';
  81         }
  82
  83         WarpZone_trace_callback = Draw_GrapplingHook_trace_callback;
  84         Draw_GrapplingHook_trace_callback_tex = tex;
  85         Draw_GrapplingHook_trace_callback_rnd = random();
  86         WarpZone_TraceLine(a, b, MOVE_NOMONSTERS, world);
  87         WarpZone_trace_callback = func_null;
  88         Draw_GrapplingHook_trace_callback_tex = string_null;
  89 }
  90
  91 void Net_GrapplingHook()
  92 {
  93         float i;
  94         vector start, end;
  95         entity p;
  96
  97         i = ReadShort();
  98         end_x = ReadCoord();
  99         end_y = ReadCoord();
 100         end_z = ReadCoord();
 101         start_x = ReadCoord();
 102         start_y = ReadCoord();
 103         start_z = ReadCoord();
 104
 105         if(i <= 0 || i >= 256) // not owned by a client
 106                 return;
 107         --i;
 108
 109         p = playerslots[i];
 110         if(!p)
 111                 return;
 112
 113         p.HookKillTime = time + 0.1;
 114         p.HookStart = start;
 115         p.HookEnd = end;
 116         p.draw = Draw_GrapplingHook;
 117 }