touchdamage.cpp

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#include "touchdamage.h"
 
#include "world/objects/npc.h"
#include "world/world.h"
#include "game/serialize.h"
 
TouchDamage::TouchDamage(Vob* parent, World &world, const zenkit::VTouchDamage& dmg, Flags flags)
  :AbstractTrigger(parent,world,dmg,flags) {
  barrier = dmg.barrier;
  blunt = dmg.blunt;
  edge = dmg.edge;
  fire = dmg.fire;
  fly = dmg.fly;
  magic = dmg.magic;
  point = dmg.point;
  fall = dmg.fall;
  damage = dmg.damage;
  repeatDelaySec = dmg.repeat_delay_sec;
  }
 
void TouchDamage::onTrigger(const TriggerEvent&/*evt*/) {
  }
 
void TouchDamage::onIntersect(Npc& n) {
  AbstractTrigger::onIntersect(n);
  enableTicks();
  }
 
void TouchDamage::tick(uint64_t dt) {
  AbstractTrigger::tick(dt);
 
  if(world.tickCount()<=repeatTimeout)
    return;
 
  for(auto npc:intersections()) {
    bool mask[zenkit::DamageType::NUM] = {};
    mask[zenkit::DamageType::BARRIER] = barrier;
    mask[zenkit::DamageType::BLUNT]   = blunt;
    mask[zenkit::DamageType::EDGE]    = edge;
    mask[zenkit::DamageType::FIRE]    = fire;
    mask[zenkit::DamageType::FLY]     = fly;
    mask[zenkit::DamageType::MAGIC]   = magic;
    mask[zenkit::DamageType::POINT]   = point;
    mask[zenkit::DamageType::FALL]    = fall;
 
    auto& hnpc = npc->handle();
    for(size_t i=0; i<zenkit::DamageType::NUM; ++i) {
      if(!mask[i])
        continue;
      takeDamage(*npc,int32_t(damage),hnpc.protection[i]);
      }
    }
 
  repeatTimeout = world.tickCount() + uint64_t(repeatDelaySec*1000);
 
  if(intersections().empty())
    disableTicks();
  }
 
void TouchDamage::takeDamage(Npc& npc, int32_t val, int32_t prot) {
  if(prot<0) // Filter immune
    return;
  npc.changeAttribute(ATR_HITPOINTS,-std::max(val-prot,0),false);
  }