/// <summary>
/// Calls a skill to be used, and applies the respective cooldown values.
/// </summary>
/// <param name="skill">The skill to be used.</param>
/// <param name="target">The optional character to use the skill on. Can be null.</param>
/// <param name="castedImmediately">True if this skill was casted immediately (that is, there was no delay before casting);
/// false if the skill had a delay before casting.</param>
void UseSkill(ISkill <SkillType, StatType, Character> skill, Character target, bool castedImmediately)
{
Debug.Assert(skill != null);
Debug.Assert(castedImmediately || _currentCastingSkill == skill);
Debug.Assert(castedImmediately || _castingSkillTarget == target);
// Clear the casting status variables
_currentCastingSkill = null;
_castingSkillTarget = null;
// Tell the caster that they stopped casting
if (_character is INetworkSender)
{
using (var pw = ServerPacket.SkillStopCasting_ToUser())
{
((INetworkSender)_character).Send(pw, ServerMessageType.GUIUserStatus);
}
}
// If the skill had a casting time, tell everyone that the casting stopped
if (!castedImmediately)
{
using (var pw = ServerPacket.SkillStopCasting_ToMap(_character.MapEntityIndex))
{
_character.Map.Send(pw, ServerMessageType.MapDynamicEntityProperty);
}
}
// Actually use the skill
var skillSuccessfullyUsed = skill.Use(_character, target);
// If the skill was not used for whatever reason, then return
if (!skillSuccessfullyUsed)
{
return;
}
// Only set the cooldown if it was successfully used
_cooldownManager.SetCooldown(skill.CooldownGroup, skill.CooldownTime, _character.GetTime());
// Update the character's skill cooldown
if (_character is INetworkSender)
{
using (var pw = ServerPacket.SkillSetGroupCooldown(skill.CooldownGroup, skill.CooldownTime))
{
((INetworkSender)_character).Send(pw, ServerMessageType.GUIUserStatus);
}
}
// Notify the clients on the map that the character used the skill
var targetEntityIndex = target != null ? (MapEntityIndex?)target.MapEntityIndex : null;
using (var pw = ServerPacket.SkillUse(_character.MapEntityIndex, targetEntityIndex, skill.SkillType))
{
_character.Map.Send(pw, ServerMessageType.MapDynamicEntityProperty);
}
}