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)
   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, view_origin - 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 void Draw_GrapplingHook_trace_callback(vector start, vector hit, vector end)
  45 {
  46         Draw_CylindricLine(hit, start, 8, Draw_GrapplingHook_trace_callback_tex, 0.25, Draw_GrapplingHook_trace_callback_rnd, '1 1 1', 1, DRAWFLAG_NORMAL);
  47         Draw_GrapplingHook_trace_callback_rnd += 0.25 * vlen(hit - start) / 8;
  48 }
  49
  50 void Draw_GrapplingHook()
  51 {
  52         vector a, b, atrans;
  53         string tex, snd;
  54         vector rgb;
  55         float t;
  56         float s;
  57         vector vs;
  58
  59         InterpolateOrigin_Do();
  60
  61         s = cvar("cl_gunalign");
  62         if(s != 1 && s != 2 && s != 4)
  63                 s = 3; // default value
  64         --s;
  65         switch(self.HookType)
  66         {
  67                 default:
  68                 case ENT_CLIENT_HOOK:
  69                         vs = hook_shotorigin[s];
  70                         break;
  71                 case ENT_CLIENT_LGBEAM:
  72                         vs = electro_shotorigin[s];
  73                         break;
  74                 case ENT_CLIENT_GAUNTLET:
  75                         vs = gauntlet_shotorigin[s];
  76                         break;
  77         }
  78
  79         if((self.owner.sv_entnum == player_localentnum - 1))
  80         {
  81                 switch(self.HookType)
  82                 {
  83                         default:
  84                         case ENT_CLIENT_HOOK:
  85                                 a = view_origin + view_forward * vs_x + view_right * -vs_y + view_up * vs_z;
  86                                 b = self.origin;
  87                                 break;
  88                         case ENT_CLIENT_LGBEAM:
  89                         case ENT_CLIENT_GAUNTLET:
  90                                 if(self.HookRange)
  91                                         b = view_origin + view_forward * self.HookRange;
  92                                 else
  93                                         b = view_origin + view_forward * vlen(self.velocity - self.origin); // honor original length of beam!
  94                                 WarpZone_TraceLine(view_origin, b, MOVE_NORMAL, world);
  95                                 b = WarpZone_UnTransformOrigin(WarpZone_trace_transform, trace_endpos);
  96                                 a = view_origin + view_forward * vs_x + view_right * -vs_y + view_up * vs_z;
  97                                 break;
  98                 }
  99         }
 100         else
 101         {
 102                 switch(self.HookType)
 103                 {
 104                         default:
 105                         case ENT_CLIENT_HOOK:
 106                                 a = self.velocity;
 107                                 b = self.origin;
 108                                 break;
 109                         case ENT_CLIENT_LGBEAM:
 110                         case ENT_CLIENT_GAUNTLET:
 111                                 a = self.origin;
 112                                 b = self.velocity;
 113                                 break;
 114                 }
 115         }
 116
 117         t = GetPlayerColorForce(self.owner.sv_entnum);
 118
 119         switch(self.HookType)
 120         {
 121                 default:
 122                 case ENT_CLIENT_HOOK:
 123                         if(t == COLOR_TEAM1)
 124                         {
 125                                 tex = "particles/hook_red";
 126                                 rgb = '1 .3 .3';
 127                         }
 128                         else if(t == COLOR_TEAM2)
 129                         {
 130                                 tex = "particles/hook_blue";
 131                                 rgb = '.3 .3 1';
 132                         }
 133                         else if(t == COLOR_TEAM3)
 134                         {
 135                                 tex = "particles/hook_yellow";
 136                                 rgb = '1 1 .3';
 137                         }
 138                         else if(t == COLOR_TEAM4)
 139                         {
 140                                 tex = "particles/hook_pink";
 141                                 rgb = '1 .3 1';
 142                         }
 143                         else
 144                         {
 145                                 tex = "particles/hook_green";
 146                                 rgb = '.3 1 .3';
 147                         }
 148                         break;
 149                 case ENT_CLIENT_LGBEAM:
 150                         tex = "particles/lgbeam";
 151                         rgb = '1 1 1';
 152                         break;
 153                 case ENT_CLIENT_GAUNTLET:
 154                         tex = "particles/gauntletbeam";
 155                         rgb = '1 1 1';
 156                         break;
 157         }
 158
 159         Draw_GrapplingHook_trace_callback_tex = tex;
 160         Draw_GrapplingHook_trace_callback_rnd = random();
 161         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);
 162         Draw_GrapplingHook_trace_callback_tex = string_null;
 163
 164         atrans = WarpZone_TransformOrigin(WarpZone_trace_transform, a);
 165
 166         switch(self.HookType)
 167         {
 168                 default:
 169                 case ENT_CLIENT_HOOK:
 170                         setorigin(self, trace_endpos); // hook endpoint!
 171                         self.angles = vectoangles(trace_endpos - atrans);
 172                         break;
 173                 case ENT_CLIENT_LGBEAM:
 174                 case ENT_CLIENT_GAUNTLET:
 175                         setorigin(self, a); // beam origin!
 176                         break;
 177         }
 178
 179         switch(self.HookType)
 180         {
 181                 default:
 182                 case ENT_CLIENT_HOOK:
 183                         break;
 184                 case ENT_CLIENT_LGBEAM:
 185                         pointparticles(particleeffectnum("electro_lightning"), trace_endpos, normalize(atrans - trace_endpos), frametime);
 186                         break;
 187                 case ENT_CLIENT_GAUNTLET:
 188                         pointparticles(particleeffectnum("gauntlet_lightning"), b, normalize(a - b), frametime);
 189                         break;
 190         }
 191 }
 192
 193 void Remove_GrapplingHook()
 194 {
 195         sound (self, CHAN_PROJECTILE, "misc/null.wav", VOL_BASE, ATTN_NORM);
 196 }
 197
 198 void Ent_ReadHook(float bIsNew, float type)
 199 {
 200         self.HookType = type;
 201
 202         float sf;
 203         sf = ReadByte();
 204
 205         self.HookSilent = (sf & 0x80);
 206         self.iflags = IFLAG_VELOCITY;
 207
 208         InterpolateOrigin_Undo();
 209
 210         if(sf & 1)
 211         {
 212                 self.owner = playerslots[ReadByte() - 1];
 213                 switch(self.HookType)
 214                 {
 215                         default:
 216                         case ENT_CLIENT_HOOK:
 217                         case ENT_CLIENT_GAUNTLET:
 218                                 self.HookRange = 0;
 219                                 break;
 220                         case ENT_CLIENT_LGBEAM:
 221                                 self.HookRange = ReadCoord();
 222                                 break;
 223                 }
 224         }
 225         if(sf & 2)
 226         {
 227                 self.origin_x = ReadCoord();
 228                 self.origin_y = ReadCoord();
 229                 self.origin_z = ReadCoord();
 230                 setorigin(self, self.origin);
 231         }
 232         if(sf & 4)
 233         {
 234                 self.velocity_x = ReadCoord();
 235                 self.velocity_y = ReadCoord();
 236                 self.velocity_z = ReadCoord();
 237         }
 238
 239         InterpolateOrigin_Note();
 240
 241         if(bIsNew)
 242         {
 243                 self.draw = Draw_GrapplingHook;
 244                 self.entremove = Remove_GrapplingHook;
 245
 246                 switch(self.HookType)
 247                 {
 248                         default:
 249                         case ENT_CLIENT_HOOK:
 250                                 // for the model
 251                                 setmodel(self, "models/hook.md3");
 252                                 self.drawmask = MASK_NORMAL;
 253                                 break;
 254                         case ENT_CLIENT_LGBEAM:
 255                                 sound (self, CHAN_PROJECTILE, "weapons/lgbeam_fly.wav", VOL_BASE, ATTN_NORM);
 256                                 break;
 257                         case ENT_CLIENT_GAUNTLET:
 258                                 sound (self, CHAN_PROJECTILE, "weapons/gauntletbeam_fly.wav", VOL_BASE, ATTN_NORM);
 259                                 break;
 260                 }
 261         }
 262 }
 263
 264 void Hook_Precache()
 265 {
 266         precache_sound("weapons/lgbeam_fly.wav");
 267         precache_sound("weapons/gauntletbeam_fly.wav");
 268         precache_model("models/hook.md3");
 269 }
 270
 271 // TODO: hook: temporarily transform self.origin for drawing the model along warpzones!