/**
* Casts a skill for the player. In order to cast the skill, the player must be online, have the
* skill unlocked, have enough mana, have the skill off cooldown, and have a proper target if
* applicable.
*
* @param skill skill to cast
* @return true if successfully cast the skill, false otherwise
*/
public boolean cast(PlayerSkill skill) {
// Invalid skill
if (skill == null) {
throw new IllegalArgumentException("Skill cannot be null");
}
SkillStatus status = skill.getStatus();
int level = skill.getLevel();
double cost = skill.getData().getManaCost(level);
// Not unlocked
if (level <= 0) {
return false;
}
// On Cooldown
if (status == SkillStatus.ON_COOLDOWN) {
SkillAPI.getLanguage()
.sendMessage(
ErrorNodes.COOLDOWN,
getPlayer(),
FilterType.COLOR,
RPGFilter.COOLDOWN.setReplacement(skill.getCooldown() + ""),
RPGFilter.SKILL.setReplacement(skill.getData().getName()));
}
// Not enough mana
else if (status == SkillStatus.MISSING_MANA) {
SkillAPI.getLanguage()
.sendMessage(
ErrorNodes.MANA,
getPlayer(),
FilterType.COLOR,
RPGFilter.SKILL.setReplacement(skill.getData().getName()),
RPGFilter.MANA.setReplacement(getMana() + ""),
RPGFilter.COST.setReplacement((int) Math.ceil(cost) + ""),
RPGFilter.MISSING.setReplacement((int) Math.ceil(cost - getMana()) + ""));
}
// Skill Shots
else if (skill.getData() instanceof SkillShot) {
Player p = getPlayer();
PlayerCastSkillEvent event = new PlayerCastSkillEvent(this, skill, p);
Bukkit.getPluginManager().callEvent(event);
// Make sure it isn't cancelled
if (!event.isCancelled()) {
try {
if (((SkillShot) skill.getData()).cast(p, level)) {
skill.startCooldown();
if (SkillAPI.getSettings().isShowSkillMessages()) {
skill.getData().sendMessage(p, SkillAPI.getSettings().getMessageRadius());
}
if (SkillAPI.getSettings().isManaEnabled()) {
useMana(cost, ManaCost.SKILL_CAST);
}
return true;
}
} catch (Exception ex) {
Bukkit.getLogger()
.severe(
"Failed to cast skill - " + skill.getData().getName() + ": Internal skill error");
ex.printStackTrace();
}
}
}
// Target Skills
else if (skill.getData() instanceof TargetSkill) {
Player p = getPlayer();
LivingEntity target = TargetHelper.getLivingTarget(p, skill.getData().getRange(level));
// Must have a target
if (target == null) {
return false;
}
PlayerCastSkillEvent event = new PlayerCastSkillEvent(this, skill, p);
Bukkit.getPluginManager().callEvent(event);
// Make sure it isn't cancelled
if (!event.isCancelled()) {
try {
if (((TargetSkill) skill.getData())
.cast(p, target, level, !SkillAPI.getSettings().canAttack(p, target))) {
skill.startCooldown();
if (SkillAPI.getSettings().isShowSkillMessages()) {
skill.getData().sendMessage(p, SkillAPI.getSettings().getMessageRadius());
}
if (SkillAPI.getSettings().isManaEnabled()) {
useMana(cost, ManaCost.SKILL_CAST);
}
return true;
}
} catch (Exception ex) {
Bukkit.getLogger()
.severe(
"Failed to cast skill - " + skill.getData().getName() + ": Internal skill error");
ex.printStackTrace();
}
}
}
return false;
}
/**
* Takes mana away from the player for an unknown reason. This will not cause the player to fall
* below 0 mana.
*
* @param amount amount of mana to take away
*/
public void useMana(double amount) {
useMana(amount, ManaCost.SPECIAL);
}