/**
* Downgrades a skill owned by the player. The player must own the skill and it must not currently
* be level 0 for the player to downgrade the skill. This will refund the skill point cost when
* downgrading the skill.
*
* @param skill skill to downgrade
* @return true if successfully downgraded, false otherwise
*/
public boolean downgradeSkill(Skill skill) {
// Cannot be null
if (skill == null) {
return false;
}
// Must be a valid available skill
PlayerSkill data = skills.get(skill.getName().toLowerCase());
if (data == null) {
return false;
}
// Must not be a free skill
if (data.getCost() == 0) {
return false;
}
// Must not be required by another skill
for (PlayerSkill s : skills.values()) {
if (s.getData().getSkillReq() != null
&& s.getData().getSkillReq().equalsIgnoreCase(skill.getName())
&& data.getLevel() <= s.getData().getSkillReqLevel()) {
return false;
}
}
int cost = skill.getCost(data.getLevel() - 1);
if (data.getLevel() > 0) {
// Upgrade event
PlayerSkillDowngradeEvent event = new PlayerSkillDowngradeEvent(this, data, cost);
Bukkit.getPluginManager().callEvent(event);
if (event.isCancelled()) {
return false;
}
// Apply upgrade
data.getPlayerClass().givePoints(cost, PointSource.REFUND);
data.addLevels(-1);
// Passive calls
Player player = getPlayer();
if (player != null && skill instanceof PassiveSkill) {
if (data.getLevel() == 0) {
((PassiveSkill) skill).stopEffects(player, 1);
} else {
((PassiveSkill) skill).update(player, data.getLevel() + 1, data.getLevel());
}
}
// Clear bindings
if (data.getLevel() == 0) {
clearBinds(skill);
}
return true;
} else {
return false;
}
}
