Method DoFrame

scripts/AIGame3.cpp:3351–3907

Processes the AI Frame Interval Event

// Processes the AI Frame Interval Event
void AlienOrganism::DoFrame(int me) {
  vector uvec;
  int flags;
  float anim_frame;
  int new_mode;
  vector vel;
  float last_see_time, last_see_game_time;
  float last_hear_time, last_hear_game_time;
  float last_perceive_time;

  /*
  float shields;
  Obj_Value(me, VF_GET, OBJV_F_SHIELDS, &shields);
  mprintf(0,"Shields: %.2f\n",shields);
  */

  // Get the last see and hear time
  AI_Value(me, VF_GET, AIV_F_LAST_SEE_TARGET_TIME, &last_see_game_time);
  AI_Value(me, VF_GET, AIV_F_LAST_HEAR_TARGET_TIME, &last_hear_game_time);

  // Calculate the time since target was seen and heard
  last_hear_time = Game_GetTime() - last_hear_game_time;
  last_see_time = Game_GetTime() - last_see_game_time;

  // Perceive time is last time target was seen or heard (whichever is smalled)
  if (last_hear_time <= last_see_time) {
    last_perceive_time = last_hear_time;
  } else {
    last_perceive_time = last_see_time;
  }

  // Check if takeoff time is active
  if (memory->takeoff_time < ALIEN_MAX_TAKEOFF_TIME) {
    memory->takeoff_time += Game_GetFrameTime();

    // If the time is up, clear the landing lock flags
    if (memory->takeoff_time >= ALIEN_MAX_TAKEOFF_TIME) {
      // Make sure we're in a mode that wants these flags cleared
      if (memory->mode != ALIEN_LANDING_AT_HOME && !IsLandedMode(memory->mode)) {
        // Clear wall point collision and axes lock
        flags = PF_LOCK_MASK | PF_POINT_COLLIDE_WALLS;
        Obj_Value(me, VF_CLEAR_FLAGS, OBJV_I_PHYSICS_FLAGS, &flags);

        // Turn on dodging
        flags = AIF_DODGE;
        AI_Value(me, VF_SET_FLAGS, AIV_I_FLAGS, &flags);

        // enable auto-leveling
        flags = PF_LEVELING;
        Obj_Value(me, VF_SET_FLAGS, OBJV_I_PHYSICS_FLAGS, &flags);

        // mprintf(0,"Alien landing flags cleared...\n");
      }
    }
  }

  // If alien was hit by player, take action if necessary
  if (memory->hit_by_player) {