mixedcards/Assets/Battle/MonsterAI/AIUtils.cs
2020-09-24 01:01:21 -04:00

84 lines
3.1 KiB
C#

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
public class AIUtils {
public static BattleHero GetNearestHero(MonsterViewpoint viewpoint,
BattleParticipant owner) {
int ownerPosition = GetMonsterPosition(viewpoint, owner);
return GetNearestEnemy(ownerPosition, viewpoint.Heroes);
}
public static BattleMonster GetNearestMonster(MonsterViewpoint viewpoint,
BattleParticipant owner) {
int ownerPosition = GetHeroPosition(viewpoint, owner);
return GetNearestEnemy(ownerPosition, viewpoint.Monsters);
}
private static ParticipantT GetNearestEnemy<ParticipantT>(
int ownerPosition, ParticipantT[] otherTeam)
where ParticipantT : BattleParticipant{
int nearestIndex = -1;
int nearestDistance = int.MaxValue;
for (int i = 0; i < otherTeam.Length; i++) {
if (!otherTeam[i].IsAlive()) continue;
int distance = System.Math.Abs(i - ownerPosition);
if (distance < nearestDistance) {
nearestIndex = i;
nearestDistance = distance;
}
}
return ParticipantAtIndex(nearestIndex, otherTeam);
}
public static BattleHero GetFarthestHero(MonsterViewpoint viewpoint,
BattleParticipant owner) {
int ownerPosition = GetMonsterPosition(viewpoint, owner);
int farthestHeroIndex = -1;
int farthestDistance = -1;
for (int i = 0; i < viewpoint.Heroes.Length; i++) {
if (!viewpoint.Heroes[i].IsAlive()) continue;
int distance = System.Math.Abs(i - ownerPosition);
if (distance > farthestDistance) {
farthestHeroIndex = i;
farthestDistance = distance;
}
}
return ParticipantAtIndex(farthestHeroIndex, viewpoint.Heroes);
}
private static int GetMonsterPosition(MonsterViewpoint viewpoint, BattleParticipant monster) {
for (int i = 0; i < viewpoint.Monsters.Length; i++) {
if (viewpoint.Monsters[i] == monster) return i;
}
return -1;
}
private static int GetHeroPosition(MonsterViewpoint viewpoint, BattleParticipant hero) {
for (int i = 0; i < viewpoint.Heroes.Length; i++) {
if (viewpoint.Heroes[i] == hero) return i;
}
return -1;
}
public static BattleHero GetHeroWithHighestHP(MonsterViewpoint viewpoint) {
int highestHPHeroIndex = -1;
int highestHP = -1;
for (int i = 0; i < viewpoint.Heroes.Length; i++) {
if (!viewpoint.Heroes[i].IsAlive()) continue;
int heroHP = viewpoint.Heroes[i].GetHP();
if (heroHP > highestHP) {
highestHPHeroIndex = i;
highestHP = heroHP;
}
}
return ParticipantAtIndex(highestHPHeroIndex, viewpoint.Heroes);
}
private static ParticipantT ParticipantAtIndex<ParticipantT>(int index, ParticipantT[] team)
where ParticipantT : BattleParticipant {
if (index == -1) return null;
return team[index];
}
}