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         // print("physics hook\n");
  32         if (g_dodging == 0)
  33                 return 0;
  34
  35         // ramp up dodging speed by adding some velocity each frame.. TODO: do it! :D
  36         if (self.dodging_action == 1) {
  37                 //print(vtos(self.v_up), "\n");
  38                 //self.velocity_z = self.velocity_z + cvar("sv_dodging_up_speed") * v_up;
  39                 //self.velocity_x = self.velocity_x + self.dodging_direction_x * cvar("sv_dodging_horiz_speed") * v_forward;
  40                 //self.velocity_y = self.velocity_y + self.dodging_direction_y * cvar("sv_dodging_horiz_speed") * v_right;
  41                 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);
  42
  43                 // reset state so next dodge can be done correctly
  44                 self.dodging_action = 0;
  45                 self.dodging_direction_x = 0;
  46                 self.dodging_direction_y = 0;
  47         }
  48
  49         // are we done with the dodging ramp yet?
  50         if((self.dodging_action == 1) && ((time - self.last_dodging_time) > cvar("sv_dodging_ramp_time")))
  51                 self.dodging_action = 0;
  52
  53         return 0;
  54 }
  55
  56 MUTATOR_HOOKFUNCTION(dodging_GetPressedKeys) {
  57         float length;
  58         float dodge_detected;
  59         //print("dodging_hook\n");
  60
  61         if (g_dodging == 0)
  62                 return 0;
  63
  64         dodge_detected = 0;
  65         if (self.movement_x > 0) // get if movement keys are pressed
  66    {       // forward key pressed
  67         if (!(self.pressedkeys & KEY_FORWARD)) {        // is this a state change?
  68                         if ( // are we allowed to dodge?
  69                                 ((time - self.last_FORWARD_KEY_time) < self.cvar_cl_dodging_timeout) &&
  70                                 (self.lastflags & FL_ONGROUND) &&
  71                                 ((time - self.last_dodging_time) > cvar("sv_dodging_delay"))
  72                         ) {
  73                                 dodge_detected = 1;
  74                                 self.dodging_action = 1;
  75                                 self.dodging_direction_x = 1.0;
  76                                 self.last_dodging_time = time;
  77                         }
  78                         self.last_FORWARD_KEY_time = time;
  79                 }
  80         }
  81
  82         if (self.movement_x < 0)
  83    {
  84                 if (!(self.pressedkeys & KEY_BACKWARD)) {        // is this a state change?
  85                         if ( // are we allowed to dodge?
  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                         ) {
  90                                 dodge_detected = 1;
  91                                 self.dodging_action = 1;
  92                                 self.dodging_direction_x = -1.0;
  93                                 self.last_dodging_time = time;
  94                         }
  95                         self.last_BACKWARD_KEY_time = time;
  96                 }
  97         }
  98
  99
 100 //      if (dodge_detected == 1) {
 101 //              // normalize the dodging_direction vector..
 102 //              length = length + self.dodging_direction_x * self.dodging_direction_x;
 103 //              length = length + self.dodging_direction_y * self.dodging_direction_y;
 104 //              length = sqrt(length);
 105 //
 106 //              self.dodging_direction_x = self.dodging_direction_x * 1.0/length;
 107 //              self.dodging_direction_y = self.dodging_direction_y * 1.0/length;
 108 //      }
 109 //
 110         return 0;
 111 }
 112
 113 MUTATOR_DEFINITION(dodging)
 114 {
 115         // we need to be called before GetPressedKey does its thing so we can
 116         // detect state changes and therefore dodging actions..
 117         MUTATOR_HOOK(GetPressedKeys, dodging_GetPressedKeys, CBC_ORDER_ANY);
 118
 119         // in the physics hook we actually implement the dodge..
 120         MUTATOR_HOOK(PlayerPhysics, dodging_PlayerPhysics, CBC_ORDER_ANY);
 121
 122         // this just turns on the cvar.
 123         MUTATOR_ONADD
 124         {
 125                 g_dodging = 1;
 126                 dodging_Initialize();
 127         }
 128
 129         // this just turns off the cvar.
 130         MUTATOR_ONREMOVE
 131         {
 132                 g_dodging = 0;
 133         }
 134
 135         return 0;
 136 }