data/qcsrc/gamec/cl_physics.c

   1 float sv_accelerate;
   2 float sv_maxairspeed;
   3 float sv_friction;
   4 float sv_maxspeed;
   5 float sv_stopspeed;
   6 float sv_gravity;
   7 .float ladder_time;
   8 .entity ladder_entity;
   9 .float gravity;
  10 .float swamp_slowdown;
  11
  12 void SV_PlayerPhysics()
  13 {
  14         local vector wishvel, wishdir, v;
  15         local float wishspeed, f, maxspd_mod, spd, maxairspd, airaccel, swapspd_mod;
  16         string temps;
  17
  18         MauveBot_AI();
  19
  20         if (self.movetype == MOVETYPE_NONE)
  21                 return;
  22
  23         if (self.punchangle != '0 0 0')
  24         {
  25                 f = vlen(self.punchangle) - 10 * frametime;
  26                 if (f > 0)
  27                         self.punchangle = normalize(self.punchangle) * f;
  28                 else
  29                         self.punchangle = '0 0 0';
  30         }
  31
  32         if (self.punchvector != '0 0 0')
  33         {
  34                 f = vlen(self.punchvector) - 30 * frametime;
  35                 if (f > 0)
  36                         self.punchvector = normalize(self.punchvector) * f;
  37                 else
  38                         self.punchvector = '0 0 0';
  39         }
  40
  41         maxspd_mod = 1;
  42
  43         if(cvar("g_runematch"))
  44         {
  45                 if(self.runes & RUNE_SPEED)
  46                 {
  47                         if(self.runes & CURSE_SLOW)
  48                                 maxspd_mod = maxspd_mod * cvar("g_balance_rune_speed_combo_moverate");
  49                         else
  50                                 maxspd_mod = maxspd_mod * cvar("g_balance_rune_speed_moverate");
  51                 }
  52                 else if(self.runes & CURSE_SLOW)
  53                 {
  54                         maxspd_mod = maxspd_mod * cvar("g_balance_curse_slow_moverate");
  55                 }
  56         }
  57
  58         if(cvar("g_minstagib") && (self.items & IT_INVINCIBLE))
  59         {
  60                 maxspd_mod = maxspd_mod * cvar("g_balance_rune_speed_moverate");
  61         }
  62
  63         swapspd_mod = 1;
  64         if(self.in_swamp != 0) {
  65                 swapspd_mod = self.swamp_slowdown; //cvar("g_balance_swamp_moverate");
  66         }
  67
  68
  69         spd = sv_maxspeed * maxspd_mod;
  70         spd = sv_maxspeed * swapspd_mod;
  71
  72         if(self.speed != spd)
  73         {
  74                 self.speed = spd;
  75                 temps = ftos(spd);
  76                 stuffcmd(self, strcat("cl_forwardspeed ", temps, "\n"));
  77                 stuffcmd(self, strcat("cl_backspeed ", temps, "\n"));
  78                 stuffcmd(self, strcat("cl_sidespeed ", temps, "\n"));
  79                 stuffcmd(self, strcat("cl_upspeed ", temps, "\n"));
  80
  81                 temps = ftos(sv_accelerate * maxspd_mod);
  82                 stuffcmd(self, strcat("cl_movement_accelerate ", temps, "\n"));
  83         }
  84
  85         // if dead, behave differently
  86         if (self.deadflag)
  87                 return;
  88
  89         if (!self.fixangle)
  90         {
  91                 self.angles_x = 0;
  92                 self.angles_y = self.v_angle_y;
  93                 self.angles_z = 0;
  94         }
  95
  96         if (self.flags & FL_WATERJUMP )
  97         {
  98                 self.velocity_x = self.movedir_x;
  99                 self.velocity_y = self.movedir_y;
 100                 if (time > self.teleport_time || self.waterlevel == 0)
 101                 {
 102                         self.flags = self.flags - (self.flags & FL_WATERJUMP);
 103                         self.teleport_time = 0;
 104                 }
 105         }
 106         else if (self.movetype == MOVETYPE_NOCLIP || self.movetype == MOVETYPE_FLY)
 107         {
 108                 // noclipping or flying
 109                 self.flags = self.flags - (self.flags & FL_ONGROUND);
 110
 111                 self.velocity = self.velocity * (1 - frametime * sv_friction);
 112                 makevectors(self.v_angle);
 113                 //wishvel = v_forward * self.movement_x + v_right * self.movement_y + v_up * self.movement_z;
 114                 wishvel = v_forward * self.movement_x + v_right * self.movement_y + '0 0 1' * self.movement_z;
 115                 // acceleration
 116                 wishdir = normalize(wishvel);
 117                 wishspeed = vlen(wishvel);
 118                 if (wishspeed > sv_maxspeed*maxspd_mod)
 119                         wishspeed = sv_maxspeed*maxspd_mod;
 120                 if (time >= self.teleport_time)
 121                 {
 122                         f = wishspeed - (self.velocity * wishdir);
 123                         if (f > 0)
 124                                 self.velocity = self.velocity + wishdir * min(f, sv_accelerate*maxspd_mod * frametime * wishspeed);
 125                 }
 126         }
 127         else if (self.waterlevel >= 2)
 128         {
 129                 // swimming
 130                 self.flags = self.flags - (self.flags & FL_ONGROUND);
 131
 132                 makevectors(self.v_angle);
 133                 //wishvel = v_forward * self.movement_x + v_right * self.movement_y + v_up * self.movement_z;
 134                 wishvel = v_forward * self.movement_x + v_right * self.movement_y + '0 0 1' * self.movement_z;
 135                 if (wishvel == '0 0 0')
 136                         wishvel = '0 0 -60'; // drift towards bottom
 137
 138                 wishdir = normalize(wishvel);
 139                 wishspeed = vlen(wishvel);
 140                 if (wishspeed > sv_maxspeed*maxspd_mod)
 141                         wishspeed = sv_maxspeed*maxspd_mod;
 142                 wishspeed = wishspeed * 0.7;
 143
 144                 // water friction
 145                 self.velocity = self.velocity * (1 - frametime * sv_friction);
 146
 147                 // water acceleration
 148                 f = wishspeed - (self.velocity * wishdir);
 149                 if (f > 0)
 150                         self.velocity = self.velocity + wishdir * min(f, sv_accelerate*maxspd_mod * frametime * wishspeed);
 151         }
 152         else if (time < self.ladder_time)
 153         {
 154                 // on a func_ladder or swimming in func_water
 155                 self.flags = self.flags - (self.flags & FL_ONGROUND);
 156
 157                 self.velocity = self.velocity * (1 - frametime * sv_friction);
 158                 makevectors(self.v_angle);
 159                 //wishvel = v_forward * self.movement_x + v_right * self.movement_y + v_up * self.movement_z;
 160                 wishvel = v_forward * self.movement_x + v_right * self.movement_y + '0 0 1' * self.movement_z;
 161                 if (self.gravity)
 162                         self.velocity_z = self.velocity_z + self.gravity * sv_gravity * frametime;
 163                 else
 164                         self.velocity_z = self.velocity_z + sv_gravity * frametime;
 165                 if (self.ladder_entity.classname == "func_water")
 166                 {
 167                         f = vlen(wishvel);
 168                         if (f > self.ladder_entity.speed)
 169                                 wishvel = wishvel * (self.ladder_entity.speed / f);
 170
 171                         self.watertype = self.ladder_entity.skin;
 172                         f = self.ladder_entity.origin_z + self.ladder_entity.maxs_z;
 173                         if ((self.origin_z + self.view_ofs_z) < f)
 174                                 self.waterlevel = 3;
 175                         else if ((self.origin_z + (self.mins_z + self.maxs_z) * 0.5) < f)
 176                                 self.waterlevel = 2;
 177                         else if ((self.origin_z + self.mins_z + 1) < f)
 178                                 self.waterlevel = 1;
 179                         else
 180                         {
 181                                 self.waterlevel = 0;
 182                                 self.watertype = CONTENT_EMPTY;
 183                         }
 184                 }
 185                 // acceleration
 186                 wishdir = normalize(wishvel);
 187                 wishspeed = vlen(wishvel);
 188                 if (wishspeed > sv_maxspeed)
 189                         wishspeed = sv_maxspeed;
 190                 if (time >= self.teleport_time)
 191                 {
 192                         f = wishspeed - (self.velocity * wishdir);
 193                         if (f > 0)
 194                                 self.velocity = self.velocity + wishdir * min(f, sv_accelerate*maxspd_mod * frametime * wishspeed);
 195                 }
 196         }
 197         else if (self.flags & FL_ONGROUND)
 198         {
 199                 // walking
 200                 makevectors(self.v_angle_y * '0 1 0');
 201                 wishvel = v_forward * self.movement_x + v_right * self.movement_y;
 202                 // friction
 203                 if (self.velocity_x || self.velocity_y)
 204                 {
 205                         v = self.velocity;
 206                         v_z = 0;
 207                         f = vlen(v);
 208                         if (f < sv_stopspeed)
 209                                 f = 1 - frametime * (sv_stopspeed / f) * sv_friction;
 210                         else
 211                                 f = 1 - frametime * sv_friction;
 212                         if (f > 0)
 213                                 self.velocity = self.velocity * f;
 214                         else
 215                                 self.velocity = '0 0 0';
 216                 }
 217                 // acceleration
 218                 wishdir = normalize(wishvel);
 219                 wishspeed = vlen(wishvel);
 220                 if (wishspeed > sv_maxspeed*maxspd_mod)
 221                         wishspeed = sv_maxspeed*maxspd_mod;
 222                 if (self.button5) // crouch
 223                         wishspeed = wishspeed * 0.5;
 224                 if (time >= self.teleport_time)
 225                 {
 226                         f = wishspeed - (self.velocity * wishdir);
 227                         if (f > 0)
 228                                 self.velocity = self.velocity + wishdir * min(f, sv_accelerate*maxspd_mod * frametime * wishspeed);
 229                 }
 230         }
 231         else
 232         {
 233                 if(maxspd_mod < 1)
 234                 {
 235                         maxairspd = sv_maxairspeed*maxspd_mod;
 236                         airaccel = sv_accelerate*maxspd_mod;
 237                 }
 238                 else
 239                 {
 240                         maxairspd = sv_maxairspeed;
 241                         airaccel = sv_accelerate;
 242                 }
 243                 // airborn
 244                 makevectors(self.v_angle_y * '0 1 0');
 245                 wishvel = v_forward * self.movement_x + v_right * self.movement_y;
 246                 // acceleration
 247                 wishdir = normalize(wishvel);
 248                 wishspeed = vlen(wishvel);
 249                 if (wishspeed > maxairspd)
 250                         wishspeed = maxairspd;
 251                 if (self.button5) // crouch
 252                         wishspeed = wishspeed * 0.5;
 253                 if (time >= self.teleport_time)
 254                 {
 255                         f = wishspeed;// - (self.velocity * wishdir);
 256                         if (f > 0)
 257                                 self.velocity = self.velocity + wishdir * min(f, airaccel * frametime * wishspeed);
 258                 }
 259         }
 260 };