qcsrc/client/hook.qc

   1 .float HookType; // ENT_CLIENT_*
   2 .vector origin;
   3 .vector velocity;
   4 .float HookSound;
   5 .float HookSilent;
   6 .float HookRange;
   7
   8 void Draw_CylindricLine(vector from, vector to, float thickness, string texture, float aspect, float shift, vector rgb, float alpha, float drawflag, vector vieworg)
   9 {
  10         // I want to draw a quad...
  11         // from and to are MIDPOINTS.
  12
  13         vector axis, thickdir, A, B, C, D;
  14         float length_tex;
  15
  16         axis = normalize(to - from);
  17         length_tex = aspect * vlen(to - from) / thickness;
  18
  19         // direction is perpendicular to the view normal, and perpendicular to the axis
  20         thickdir = normalize(cross(axis, vieworg - from));
  21
  22 /*
  23         print("from ", vtos(from), "\n");
  24         print("to ", vtos(to), "\n");
  25         print("org ", vtos(view_origin), "\n");
  26         print("dir ", vtos(thickdir), "\n");
  27 */
  28
  29         A = from - thickdir * (thickness / 2);
  30         B = from + thickdir * (thickness / 2);
  31         C = to + thickdir * (thickness / 2);
  32         D = to - thickdir * (thickness / 2);
  33
  34         R_BeginPolygon(texture, drawflag);
  35         R_PolygonVertex(A, '0 0 0' + shift * '1 0 0', rgb, alpha);
  36         R_PolygonVertex(B, '0 1 0' + shift * '1 0 0', rgb, alpha);
  37         R_PolygonVertex(C, '0 1 0' + (shift + length_tex) * '1 0 0', rgb, alpha);
  38         R_PolygonVertex(D, '0 0 0' + (shift + length_tex) * '1 0 0', rgb, alpha);
  39         R_EndPolygon();
  40 }
  41
  42 string Draw_GrapplingHook_trace_callback_tex;
  43 float Draw_GrapplingHook_trace_callback_rnd;
  44 vector Draw_GrapplingHook_trace_callback_rgb;
  45 float Draw_GrapplingHook_trace_callback_a;
  46 void Draw_GrapplingHook_trace_callback(vector start, vector hit, vector end)
  47 {
  48         float i;
  49         vector vorg;
  50         vorg = WarpZone_TransformOrigin(WarpZone_trace_transform, view_origin);
  51         for(i = 0; i < Draw_GrapplingHook_trace_callback_a; ++i)
  52                 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);
  53         Draw_GrapplingHook_trace_callback_rnd += 0.25 * vlen(hit - start) / 8;
  54 }
  55
  56 void Draw_GrapplingHook()
  57 {
  58         vector a, b, atrans;
  59         string tex, snd;
  60         vector rgb;
  61         float t;
  62         float s;
  63         vector vs;
  64         float intensity, offset;
  65
  66         InterpolateOrigin_Do();
  67
  68         s = cvar("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                         setorigin(self, trace_endpos); // hook endpoint!
 186                         self.angles = vectoangles(trace_endpos - atrans);
 187                         break;
 188                 case ENT_CLIENT_LGBEAM:
 189                 case ENT_CLIENT_GAUNTLET:
 190                         setorigin(self, a); // beam origin!
 191                         break;
 192         }
 193
 194         switch(self.HookType)
 195         {
 196                 default:
 197                 case ENT_CLIENT_HOOK:
 198                         break;
 199                 case ENT_CLIENT_LGBEAM:
 200                         pointparticles(particleeffectnum("electro_lightning"), trace_endpos, normalize(atrans - trace_endpos), frametime * intensity);
 201                         break;
 202                 case ENT_CLIENT_GAUNTLET:
 203                         pointparticles(particleeffectnum("gauntlet_lightning"), b, normalize(a - b), frametime * intensity);
 204                         break;
 205         }
 206 }
 207
 208 void Remove_GrapplingHook()
 209 {
 210         sound (self, CHAN_PROJECTILE, "misc/null.wav", VOL_BASE, ATTN_NORM);
 211 }
 212
 213 void Ent_ReadHook(float bIsNew, float type)
 214 {
 215         self.HookType = type;
 216
 217         float sf;
 218         sf = ReadByte();
 219
 220         self.HookSilent = (sf & 0x80);
 221         self.iflags = IFLAG_VELOCITY;
 222
 223         InterpolateOrigin_Undo();
 224
 225         if(sf & 1)
 226         {
 227                 self.owner = playerslots[ReadByte() - 1];
 228                 switch(self.HookType)
 229                 {
 230                         default:
 231                         case ENT_CLIENT_HOOK:
 232                         case ENT_CLIENT_GAUNTLET:
 233                                 self.HookRange = 0;
 234                                 break;
 235                         case ENT_CLIENT_LGBEAM:
 236                                 self.HookRange = ReadCoord();
 237                                 break;
 238                 }
 239         }
 240         if(sf & 2)
 241         {
 242                 self.origin_x = ReadCoord();
 243                 self.origin_y = ReadCoord();
 244                 self.origin_z = ReadCoord();
 245                 setorigin(self, self.origin);
 246         }
 247         if(sf & 4)
 248         {
 249                 self.velocity_x = ReadCoord();
 250                 self.velocity_y = ReadCoord();
 251                 self.velocity_z = ReadCoord();
 252         }
 253
 254         InterpolateOrigin_Note();
 255
 256         if(bIsNew)
 257         {
 258                 self.draw = Draw_GrapplingHook;
 259                 self.entremove = Remove_GrapplingHook;
 260
 261                 switch(self.HookType)
 262                 {
 263                         default:
 264                         case ENT_CLIENT_HOOK:
 265                                 // for the model
 266                                 setmodel(self, "models/hook.md3");
 267                                 self.drawmask = MASK_NORMAL;
 268                                 break;
 269                         case ENT_CLIENT_LGBEAM:
 270                                 sound (self, CHAN_PROJECTILE, "weapons/lgbeam_fly.wav", VOL_BASE, ATTN_NORM);
 271                                 break;
 272                         case ENT_CLIENT_GAUNTLET:
 273                                 sound (self, CHAN_PROJECTILE, "weapons/gauntletbeam_fly.wav", VOL_BASE, ATTN_NORM);
 274                                 break;
 275                 }
 276         }
 277 }
 278
 279 void Hook_Precache()
 280 {
 281         precache_sound("weapons/lgbeam_fly.wav");
 282         precache_sound("weapons/gauntletbeam_fly.wav");
 283         precache_model("models/hook.md3");
 284 }
 285
 286 // TODO: hook: temporarily transform self.origin for drawing the model along warpzones!