qcsrc/server/mutators/mutator_dodging.qc

   1
   2 // these are used to store the last key press time for each of the keys..
   3 .float last_FORWARD_KEY_time;
   4 .float last_BACKWARD_KEY_time;
   5 .float last_LEFT_KEY_time;
   6 .float last_RIGHT_KEY_time;
   7
   8 // these store the movement direction at the time of the dodge action happening.
   9 .float dodging_direction_x;
  10 .float dodging_direction_y;
  11
  12 // this indicates the last time a dodge was executed. used to check if another one is allowed
  13 // and to ramp up the dodge acceleration in the physics hook.
  14 .float last_dodging_time;
  15
  16 // set to 1 to indicate dodging has started.. reset by physics hook after dodge has been done..
  17 .float dodging_action;
  18
  19 void dodging_Initialize() {
  20         self.last_FORWARD_KEY_time = 0;
  21         self.last_BACKWARD_KEY_time = 0;
  22         self.last_RIGHT_KEY_time = 0;
  23         self.last_LEFT_KEY_time = 0;
  24         self.last_dodging_time = 0;
  25         self.dodging_action = 0;
  26         self.dodging_direction_x = 0;
  27         self.dodging_direction_y = 0;
  28 }
  29
  30 MUTATOR_HOOKFUNCTION(dodging_PlayerPhysics) {
  31         float length;
  32
  33         // print("physics hook\n");
  34         if (g_dodging == 0)
  35                 return 0;
  36
  37         length += self.dodging_direction_x * self.dodging_direction_x;
  38         length += self.dodging_direction_y * self.dodging_direction_y;
  39         length = sqrt(length);
  40
  41         self.dodging_direction_x *= 1/length;
  42         self.dodging_direction_y *= 1/length;
  43
  44         // ramp up dodging speed by adding some velocity each frame..
  45         if (self.dodging_action == 1) {
  46                 self.velocity = self.velocity + self.dodging_direction_y * (cvar("sv_dodging_horiz_speed") * v_right) + self.dodging_direction_x * (cvar("sv_dodging_horiz_speed") * v_forward) + (cvar("sv_dodging_up_speed") * v_up);//'100 0 50';
  47                 self.dodging_action = 0;
  48         }
  49
  50         // are we done with the dodging ramp yet?
  51         if((self.dodging_action == 1) && ((time - self.last_dodging_time) > cvar("sv_dodging_ramp_time")))
  52                 self.dodging_action = 0;
  53
  54         return 0;
  55 }
  56
  57 MUTATOR_HOOKFUNCTION(dodging_GetPressedKeys) {
  58         //print("dodging_hook\n");
  59
  60         if (g_dodging == 0)
  61                 return 0;
  62
  63         if (self.movement_x > 0) // get if movement keys are pressed
  64    {       // forward key pressed
  65         if (!(self.pressedkeys & KEY_FORWARD)) {        // is this a state change?
  66                         if (
  67                                 ((time - self.last_FORWARD_KEY_time) < self.cvar_cl_dodging_timeout) &&
  68                                 (self.lastflags & FL_ONGROUND) &&
  69                                 ((time - self.last_dodging_time) > cvar("sv_dodging_delay"))
  70                         ) { // are we allowed to dodge?
  71                                 self.dodging_action = 1;
  72                                 self.dodging_direction_x = self.movement_x;
  73                                 self.dodging_direction_y = self.movement_y;
  74
  75
  76                                 self.last_dodging_time = time;
  77                         }
  78                         self.last_FORWARD_KEY_time = time;
  79                 }
  80         }
  81
  82         if (self.movement_x < 0) // get if movement keys are pressed
  83    {       // forward key pressed
  84         if (!(self.pressedkeys & KEY_BACKWARD)) {        // is this a state change?
  85                         if (
  86                                 ((time - self.last_BACKWARD_KEY_time) < self.cvar_cl_dodging_timeout) &&
  87                                 (self.lastflags & FL_ONGROUND) &&
  88                                 ((time - self.last_dodging_time) > cvar("sv_dodging_delay"))
  89                         ) { // are we allowed to dodge?
  90                                 self.dodging_action = 1;
  91                                 // self.velocity = self.velocity + (cvar("sv_dodging_horiz_speed") * v_forward) + (cvar("sv_dodging_up_speed") * v_up);//'100 0 50';
  92                                 self.last_dodging_time = time;
  93                         }
  94                         self.last_BACKWARD_KEY_time = time;
  95                 }
  96         }
  97
  98         return 0;
  99 }
 100
 101 MUTATOR_DEFINITION(dodging)
 102 {
 103         // we need to be called before GetPressedKey does its thing so we can
 104         // detect state changes and therefore dodging actions..
 105         MUTATOR_HOOK(GetPressedKeys, dodging_GetPressedKeys, CBC_ORDER_ANY);
 106
 107         // in the physics hook we actually implement the dodge..
 108         MUTATOR_HOOK(PlayerPhysics, dodging_PlayerPhysics, CBC_ORDER_ANY);
 109
 110         // this just turns on the cvar. TODO: implement :D
 111         MUTATOR_ONADD
 112         {
 113                 g_dodging = 1;
 114                 dodging_Initialize();
 115         }
 116
 117         // this just turns off the cvar. TODO: implement :D
 118         MUTATOR_ONREMOVE
 119         {
 120                 g_dodging = 0;
 121         }
 122
 123         return 0;
 124 }