qcsrc/client/hook.qc

   1 .float HookType; // ENT_CLIENT_*
   2 .vector origin;
   3 .vector velocity;
   4 .float HookSilent;
   5 .float HookRange;
   6
   7 void Draw_CylindricLine(vector from, vector to, float thickness, string texture, float aspect, float shift, vector rgb, float theAlpha, float drawflag, vector vieworg)
   8 {
   9         // I want to draw a quad...
  10         // from and to are MIDPOINTS.
  11
  12         vector axis, thickdir, A, B, C, D;
  13         float length_tex;
  14
  15         axis = normalize(to - from);
  16         length_tex = aspect * vlen(to - from) / thickness;
  17
  18         // direction is perpendicular to the view normal, and perpendicular to the axis
  19         thickdir = normalize(cross(axis, vieworg - from));
  20
  21         A = from - thickdir * (thickness / 2);
  22         B = from + thickdir * (thickness / 2);
  23         C = to + thickdir * (thickness / 2);
  24         D = to - thickdir * (thickness / 2);
  25
  26         R_BeginPolygon(texture, drawflag);
  27         R_PolygonVertex(A, '0 0 0' + shift * '1 0 0', rgb, theAlpha);
  28         R_PolygonVertex(B, '0 1 0' + shift * '1 0 0', rgb, theAlpha);
  29         R_PolygonVertex(C, '0 1 0' + (shift + length_tex) * '1 0 0', rgb, theAlpha);
  30         R_PolygonVertex(D, '0 0 0' + (shift + length_tex) * '1 0 0', rgb, theAlpha);
  31         R_EndPolygon();
  32 }
  33
  34 string Draw_GrapplingHook_trace_callback_tex;
  35 float Draw_GrapplingHook_trace_callback_rnd;
  36 vector Draw_GrapplingHook_trace_callback_rgb;
  37 float Draw_GrapplingHook_trace_callback_a;
  38 void Draw_GrapplingHook_trace_callback(vector start, vector hit, vector end)
  39 {
  40         float i;
  41         vector vorg;
  42         vorg = WarpZone_TransformOrigin(WarpZone_trace_transform, view_origin);
  43         for(i = 0; i < Draw_GrapplingHook_trace_callback_a; ++i)
  44                 Draw_CylindricLine(hit, start, 8, Draw_GrapplingHook_trace_callback_tex, 0.25, Draw_GrapplingHook_trace_callback_rnd, Draw_GrapplingHook_trace_callback_rgb, min(1, Draw_GrapplingHook_trace_callback_a - i), DRAWFLAG_NORMAL, vorg);
  45         Draw_GrapplingHook_trace_callback_rnd += 0.25 * vlen(hit - start) / 8;
  46 }
  47
  48 .float teleport_time;
  49 void Draw_GrapplingHook()
  50 {
  51         vector a, b, atrans;
  52         string tex;
  53         vector rgb;
  54         float t;
  55         float s;
  56         vector vs;
  57         float intensity, offset;
  58
  59         if(self.teleport_time)
  60         if(time > self.teleport_time)
  61         {
  62                 sound (self, CH_SHOTS_SINGLE, "misc/null.wav", VOL_BASE, ATTEN_NORM); // safeguard
  63                 self.teleport_time = 0;
  64         }
  65
  66         InterpolateOrigin_Do();
  67
  68         s = autocvar_cl_gunalign;
  69         if(s != 1 && s != 2 && s != 4)
  70                 s = 3; // default value
  71         --s;
  72         switch(self.HookType)
  73         {
  74                 default:
  75                 case ENT_CLIENT_HOOK:
  76                         vs = hook_shotorigin[s];
  77                         break;
  78                 case ENT_CLIENT_ARC_BEAM:
  79                         vs = lightning_shotorigin[s];
  80                         break;
  81         }
  82
  83         if((self.owner.sv_entnum == player_localentnum - 1))
  84         {
  85                 switch(self.HookType)
  86                 {
  87                         default:
  88                         case ENT_CLIENT_HOOK:
  89                                 a = view_origin + view_forward * vs_x + view_right * -vs_y + view_up * vs_z;
  90                                 b = self.origin;
  91                                 break;
  92                         case ENT_CLIENT_ARC_BEAM:
  93                                 if(self.HookRange)
  94                                         b = view_origin + view_forward * self.HookRange;
  95                                 else
  96                                         b = view_origin + view_forward * vlen(self.velocity - self.origin); // honor original length of beam!
  97                                 WarpZone_TraceLine(view_origin, b, MOVE_NORMAL, world);
  98                                 b = WarpZone_UnTransformOrigin(WarpZone_trace_transform, trace_endpos);
  99                                 a = view_origin + view_forward * vs_x + view_right * -vs_y + view_up * vs_z;
 100                                 break;
 101                 }
 102         }
 103         else
 104         {
 105                 switch(self.HookType)
 106                 {
 107                         default:
 108                         case ENT_CLIENT_HOOK:
 109                                 a = self.velocity;
 110                                 b = self.origin;
 111                                 break;
 112                         case ENT_CLIENT_ARC_BEAM:
 113                                 a = self.origin;
 114                                 b = self.velocity;
 115                                 break;
 116                 }
 117         }
 118
 119         t = GetPlayerColorForce(self.owner.sv_entnum);
 120
 121         switch(self.HookType)
 122         {
 123                 default:
 124                 case ENT_CLIENT_HOOK:
 125                         intensity = 1;
 126                         offset = 0;
 127                         if(t == NUM_TEAM_1)
 128                         {
 129                                 tex = "particles/hook_red";
 130                                 rgb = '1 .3 .3';
 131                         }
 132                         else if(t == NUM_TEAM_2)
 133                         {
 134                                 tex = "particles/hook_blue";
 135                                 rgb = '.3 .3 1';
 136                         }
 137                         else if(t == NUM_TEAM_3)
 138                         {
 139                                 tex = "particles/hook_yellow";
 140                                 rgb = '1 1 .3';
 141                         }
 142                         else if(t == NUM_TEAM_4)
 143                         {
 144                                 tex = "particles/hook_pink";
 145                                 rgb = '1 .3 1';
 146                         }
 147                         else
 148                         {
 149                                 tex = "particles/hook_green";
 150                                 rgb = '.3 1 .3';
 151                         }
 152                         break;
 153                 case ENT_CLIENT_ARC_BEAM: // todo
 154                         intensity = bound(0.2, 1 + Noise_Pink(self, frametime) * 1 + Noise_Burst(self, frametime, 0.03) * 0.3, 2);
 155                         offset = Noise_Brown(self, frametime) * 10;
 156                         tex = "particles/lgbeam";
 157                         rgb = '1 1 1';
 158                         break;
 159         }
 160
 161         Draw_GrapplingHook_trace_callback_tex = tex;
 162         Draw_GrapplingHook_trace_callback_rnd = offset;
 163         Draw_GrapplingHook_trace_callback_rgb = rgb;
 164         Draw_GrapplingHook_trace_callback_a = intensity;
 165         WarpZone_TraceBox_ThroughZone(a, '0 0 0', '0 0 0', b, ((self.HookType == ENT_CLIENT_HOOK) ? MOVE_NOTHING : MOVE_NORMAL), world, world, Draw_GrapplingHook_trace_callback);
 166         Draw_GrapplingHook_trace_callback_tex = string_null;
 167
 168         atrans = WarpZone_TransformOrigin(WarpZone_trace_transform, a);
 169
 170         switch(self.HookType)
 171         {
 172                 default:
 173                 case ENT_CLIENT_HOOK:
 174                         if(vlen(trace_endpos - atrans) > 0.5)
 175                         {
 176                                 setorigin(self, trace_endpos); // hook endpoint!
 177                                 self.angles = vectoangles(trace_endpos - atrans);
 178                                 self.drawmask = MASK_NORMAL;
 179                         }
 180                         else
 181                         {
 182                                 self.drawmask = 0;
 183                         }
 184                         break;
 185                 case ENT_CLIENT_ARC_BEAM:
 186                         setorigin(self, a); // beam origin!
 187                         break;
 188         }
 189
 190         switch(self.HookType)
 191         {
 192                 default:
 193                 case ENT_CLIENT_HOOK:
 194                         break;
 195                 case ENT_CLIENT_ARC_BEAM:
 196                         pointparticles(particleeffectnum("electro_lightning"), trace_endpos, normalize(atrans - trace_endpos), frametime * intensity); // todo: new effect
 197                         break;
 198         }
 199 }
 200
 201 void Remove_GrapplingHook()
 202 {
 203         sound (self, CH_SHOTS_SINGLE, "misc/null.wav", VOL_BASE, ATTEN_NORM);
 204 }
 205
 206 void Ent_ReadHook(float bIsNew, float type)
 207 {
 208         self.HookType = type;
 209
 210         float sf;
 211         sf = ReadByte();
 212
 213         self.HookSilent = (sf & 0x80);
 214         self.iflags = IFLAG_VELOCITY | IFLAG_ORIGIN;
 215
 216         InterpolateOrigin_Undo();
 217
 218         if(sf & 1)
 219         {
 220                 self.owner = playerslots[ReadByte() - 1];
 221                 switch(self.HookType)
 222                 {
 223                         default:
 224                         case ENT_CLIENT_HOOK:
 225                                 self.HookRange = 0;
 226                                 break;
 227                         case ENT_CLIENT_ARC_BEAM:
 228                                 self.HookRange = ReadCoord();
 229                                 break;
 230                 }
 231         }
 232         if(sf & 2)
 233         {
 234                 self.origin_x = ReadCoord();
 235                 self.origin_y = ReadCoord();
 236                 self.origin_z = ReadCoord();
 237                 setorigin(self, self.origin);
 238         }
 239         if(sf & 4)
 240         {
 241                 self.velocity_x = ReadCoord();
 242                 self.velocity_y = ReadCoord();
 243                 self.velocity_z = ReadCoord();
 244         }
 245
 246         InterpolateOrigin_Note();
 247
 248         if(bIsNew || !self.teleport_time)
 249         {
 250                 self.draw = Draw_GrapplingHook;
 251                 self.entremove = Remove_GrapplingHook;
 252
 253                 switch(self.HookType)
 254                 {
 255                         default:
 256                         case ENT_CLIENT_HOOK:
 257                                 // for the model
 258                                 setmodel(self, "models/hook.md3");
 259                                 self.drawmask = MASK_NORMAL;
 260                                 break;
 261                         case ENT_CLIENT_ARC_BEAM:
 262                                 sound (self, CH_SHOTS_SINGLE, "weapons/lgbeam_fly.wav", VOL_BASE, ATTEN_NORM);
 263                                 break;
 264                 }
 265         }
 266
 267         self.teleport_time = time + 10;
 268 }
 269
 270 void Hook_Precache()
 271 {
 272         precache_sound("weapons/lgbeam_fly.wav");
 273         precache_model("models/hook.md3");
 274 }
 275
 276 // TODO: hook: temporarily transform self.origin for drawing the model along warpzones!