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 /*
  20         print("from ", vtos(from), "\n");
  21         print("to ", vtos(to), "\n");
  22         print("org ", vtos(view_origin), "\n");
  23         print("dir ", vtos(thickdir), "\n");
  24 */
  25
  26         A = from - thickdir * (thickness / 2);
  27         B = from + thickdir * (thickness / 2);
  28         C = to + thickdir * (thickness / 2);
  29         D = to - thickdir * (thickness / 2);
  30
  31         R_BeginPolygon(texture, drawflag);
  32         R_PolygonVertex(A, '0 0 0' + shift * '1 0 0', rgb, alpha);
  33         R_PolygonVertex(B, '0 1 0' + shift * '1 0 0', rgb, alpha);
  34         R_PolygonVertex(C, '0 1 0' + (shift + length_tex) * '1 0 0', rgb, alpha);
  35         R_PolygonVertex(D, '0 0 0' + (shift + length_tex) * '1 0 0', rgb, alpha);
  36         R_EndPolygon();
  37 }
  38
  39 string Draw_GrapplingHook_trace_callback_tex;
  40 float Draw_GrapplingHook_trace_callback_rnd;
  41 void Draw_GrapplingHook_trace_callback(vector start, vector hit, vector end)
  42 {
  43         Draw_CylindricLine(hit, start, 8, Draw_GrapplingHook_trace_callback_tex, 0.25, Draw_GrapplingHook_trace_callback_rnd, '1 1 1', 1, DRAWFLAG_NORMAL);
  44         Draw_GrapplingHook_trace_callback_rnd += 0.25 * vlen(hit - start) / 8;
  45 }
  46
  47 void Draw_GrapplingHook()
  48 {
  49         vector a, b;
  50         string tex;
  51         vector rgb;
  52         float t;
  53
  54         if(time >= self.HookKillTime)
  55                 return;
  56         if(self.sv_entnum == player_localentnum - 1)
  57                 a = view_origin + view_forward * hook_shotorigin_x + view_right * hook_shotorigin_y + view_up * hook_shotorigin_z;
  58         else
  59                 a = self.HookStart;
  60         b = self.HookEnd;
  61
  62         t = GetPlayerColorForce(self.sv_entnum);
  63
  64         if(t == COLOR_TEAM1)
  65         {
  66                 tex = "particles/hook_red";
  67                 rgb = '1 .3 .3';
  68         }
  69         else if(t == COLOR_TEAM2)
  70         {
  71                 tex = "particles/hook_blue";
  72                 rgb = '.3 .3 1';
  73         }
  74         else if(t == COLOR_TEAM3)
  75         {
  76                 tex = "particles/hook_yellow";
  77                 rgb = '1 1 .3';
  78         }
  79         else if(t == COLOR_TEAM4)
  80         {
  81                 tex = "particles/hook_pink";
  82                 rgb = '1 .3 1';
  83         }
  84         else
  85         {
  86                 tex = "particles/hook_green";
  87                 rgb = '.3 1 .3';
  88         }
  89
  90         Draw_GrapplingHook_trace_callback_tex = tex;
  91         Draw_GrapplingHook_trace_callback_rnd = random();
  92         WarpZone_TraceBox_ThroughZone(a, '0 0 0', '0 0 0', b, MOVE_NOMONSTERS, world, world, Draw_GrapplingHook_trace_callback);
  93         Draw_GrapplingHook_trace_callback_tex = string_null;
  94 }
  95
  96 void Net_GrapplingHook()
  97 {
  98         float i;
  99         vector start, end;
 100         entity p;
 101
 102         i = ReadShort();
 103         end_x = ReadCoord();
 104         end_y = ReadCoord();
 105         end_z = ReadCoord();
 106         start_x = ReadCoord();
 107         start_y = ReadCoord();
 108         start_z = ReadCoord();
 109
 110         if(i <= 0 || i >= 256) // not owned by a client
 111                 return;
 112         --i;
 113
 114         p = playerslots[i];
 115         if(!p)
 116                 return;
 117
 118         p.HookKillTime = time + 0.1;
 119         p.HookStart = start;
 120         p.HookEnd = end;
 121         p.draw = Draw_GrapplingHook;
 122 }