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 alpha, 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, alpha);
  28         R_PolygonVertex(B, '0 1 0' + shift * '1 0 0', rgb, alpha);
  29         R_PolygonVertex(C, '0 1 0' + (shift + length_tex) * '1 0 0', rgb, alpha);
  30         R_PolygonVertex(D, '0 0 0' + (shift + length_tex) * '1 0 0', rgb, alpha);
  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, ATTN_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_LGBEAM:
  79                         vs = electro_shotorigin[s];
  80                         break;
  81                 case ENT_CLIENT_GAUNTLET:
  82                         vs = gauntlet_shotorigin[s];
  83                         break;
  84         }
  85
  86         if((self.owner.sv_entnum == player_localentnum - 1))
  87         {
  88                 switch(self.HookType)
  89                 {
  90                         default:
  91                         case ENT_CLIENT_HOOK:
  92                                 a = view_origin + view_forward * vs_x + view_right * -vs_y + view_up * vs_z;
  93                                 b = self.origin;
  94                                 break;
  95                         case ENT_CLIENT_LGBEAM:
  96                         case ENT_CLIENT_GAUNTLET:
  97                                 if(self.HookRange)
  98                                         b = view_origin + view_forward * self.HookRange;
  99                                 else
 100                                         b = view_origin + view_forward * vlen(self.velocity - self.origin); // honor original length of beam!
 101                                 WarpZone_TraceLine(view_origin, b, MOVE_NORMAL, world);
 102                                 b = WarpZone_UnTransformOrigin(WarpZone_trace_transform, trace_endpos);
 103                                 a = view_origin + view_forward * vs_x + view_right * -vs_y + view_up * vs_z;
 104                                 break;
 105                 }
 106         }
 107         else
 108         {
 109                 switch(self.HookType)
 110                 {
 111                         default:
 112                         case ENT_CLIENT_HOOK:
 113                                 a = self.velocity;
 114                                 b = self.origin;
 115                                 break;
 116                         case ENT_CLIENT_LGBEAM:
 117                         case ENT_CLIENT_GAUNTLET:
 118                                 a = self.origin;
 119                                 b = self.velocity;
 120                                 break;
 121                 }
 122         }
 123
 124         t = GetPlayerColorForce(self.owner.sv_entnum);
 125
 126         switch(self.HookType)
 127         {
 128                 default:
 129                 case ENT_CLIENT_HOOK:
 130                         intensity = 1;
 131                         offset = 0;
 132                         if(t == COLOR_TEAM1)
 133                         {
 134                                 tex = "particles/hook_red";
 135                                 rgb = '1 .3 .3';
 136                         }
 137                         else if(t == COLOR_TEAM2)
 138                         {
 139                                 tex = "particles/hook_blue";
 140                                 rgb = '.3 .3 1';
 141                         }
 142                         else if(t == COLOR_TEAM3)
 143                         {
 144                                 tex = "particles/hook_yellow";
 145                                 rgb = '1 1 .3';
 146                         }
 147                         else if(t == COLOR_TEAM4)
 148                         {
 149                                 tex = "particles/hook_pink";
 150                                 rgb = '1 .3 1';
 151                         }
 152                         else
 153                         {
 154                                 tex = "particles/hook_green";
 155                                 rgb = '.3 1 .3';
 156                         }
 157                         break;
 158                 case ENT_CLIENT_LGBEAM:
 159                         intensity = bound(0.2, 1 + Noise_Pink(self, frametime) * 1 + Noise_Burst(self, frametime, 0.03) * 0.3, 2);
 160                         offset = Noise_Brown(self, frametime) * 10;
 161                         tex = "particles/lgbeam";
 162                         rgb = '1 1 1';
 163                         break;
 164                 case ENT_CLIENT_GAUNTLET:
 165                         intensity = 1;
 166                         offset = Noise_White(self, frametime);
 167                         tex = "particles/gauntletbeam";
 168                         rgb = '1 1 1';
 169                         break;
 170         }
 171
 172         Draw_GrapplingHook_trace_callback_tex = tex;
 173         Draw_GrapplingHook_trace_callback_rnd = offset;
 174         Draw_GrapplingHook_trace_callback_rgb = rgb;
 175         Draw_GrapplingHook_trace_callback_a = intensity;
 176         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);
 177         Draw_GrapplingHook_trace_callback_tex = string_null;
 178
 179         atrans = WarpZone_TransformOrigin(WarpZone_trace_transform, a);
 180
 181         switch(self.HookType)
 182         {
 183                 default:
 184                 case ENT_CLIENT_HOOK:
 185                         if(vlen(trace_endpos - atrans) > 0.5)
 186                         {
 187                                 setorigin(self, trace_endpos); // hook endpoint!
 188                                 self.angles = vectoangles(trace_endpos - atrans);
 189                                 self.drawmask = MASK_NORMAL;
 190                         }
 191                         else
 192                         {
 193                                 self.drawmask = 0;
 194                         }
 195                         break;
 196                 case ENT_CLIENT_LGBEAM:
 197                 case ENT_CLIENT_GAUNTLET:
 198                         setorigin(self, a); // beam origin!
 199                         break;
 200         }
 201
 202         switch(self.HookType)
 203         {
 204                 default:
 205                 case ENT_CLIENT_HOOK:
 206                         break;
 207                 case ENT_CLIENT_LGBEAM:
 208                         pointparticles(particleeffectnum("electro_lightning"), trace_endpos, normalize(atrans - trace_endpos), frametime * intensity);
 209                         break;
 210                 case ENT_CLIENT_GAUNTLET:
 211                         pointparticles(particleeffectnum("gauntlet_lightning"), b, normalize(a - b), frametime * intensity);
 212                         break;
 213         }
 214 }
 215
 216 void Remove_GrapplingHook()
 217 {
 218         sound (self, CH_SHOTS_SINGLE, "misc/null.wav", VOL_BASE, ATTN_NORM);
 219 }
 220
 221 void Ent_ReadHook(float bIsNew, float type)
 222 {
 223         self.HookType = type;
 224
 225         float sf;
 226         sf = ReadByte();
 227
 228         self.HookSilent = (sf & 0x80);
 229         self.iflags = IFLAG_VELOCITY;
 230
 231         InterpolateOrigin_Undo();
 232
 233         if(sf & 1)
 234         {
 235                 self.owner = playerslots[ReadByte() - 1];
 236                 switch(self.HookType)
 237                 {
 238                         default:
 239                         case ENT_CLIENT_HOOK:
 240                         case ENT_CLIENT_GAUNTLET:
 241                                 self.HookRange = 0;
 242                                 break;
 243                         case ENT_CLIENT_LGBEAM:
 244                                 self.HookRange = ReadCoord();
 245                                 break;
 246                 }
 247         }
 248         if(sf & 2)
 249         {
 250                 self.origin_x = ReadCoord();
 251                 self.origin_y = ReadCoord();
 252                 self.origin_z = ReadCoord();
 253                 setorigin(self, self.origin);
 254         }
 255         if(sf & 4)
 256         {
 257                 self.velocity_x = ReadCoord();
 258                 self.velocity_y = ReadCoord();
 259                 self.velocity_z = ReadCoord();
 260         }
 261
 262         InterpolateOrigin_Note();
 263
 264         if(bIsNew || !self.teleport_time)
 265         {
 266                 self.draw = Draw_GrapplingHook;
 267                 self.entremove = Remove_GrapplingHook;
 268
 269                 switch(self.HookType)
 270                 {
 271                         default:
 272                         case ENT_CLIENT_HOOK:
 273                                 // for the model
 274                                 setmodel(self, "models/hook.md3");
 275                                 self.drawmask = MASK_NORMAL;
 276                                 break;
 277                         case ENT_CLIENT_LGBEAM:
 278                                 sound (self, CH_SHOTS_SINGLE, "weapons/lgbeam_fly.wav", VOL_BASE, ATTN_NORM);
 279                                 break;
 280                         case ENT_CLIENT_GAUNTLET:
 281                                 sound (self, CH_SHOTS_SINGLE, "weapons/gauntletbeam_fly.wav", VOL_BASE, ATTN_NORM);
 282                                 break;
 283                 }
 284         }
 285
 286         self.teleport_time = time + 10;
 287 }
 288
 289 void Hook_Precache()
 290 {
 291         precache_sound("weapons/lgbeam_fly.wav");
 292         precache_sound("weapons/gauntletbeam_fly.wav");
 293         precache_model("models/hook.md3");
 294 }
 295
 296 // TODO: hook: temporarily transform self.origin for drawing the model along warpzones!