82 lines
2.0 KiB
Go
82 lines
2.0 KiB
Go
package input
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import "github.com/alpacahq/alpacadecimal"
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type shieldChangeEffect interface {
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ShieldChange(before, after alpacadecimal.Decimal) bool
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}
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func (our *Input) CurrentShield() alpacadecimal.Decimal {
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if our == nil || our.CurrentPet == nil {
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return alpacadecimal.Zero
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}
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return our.CurrentPet.Shield
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}
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func (our *Input) HasShield() bool {
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return our.CurrentShield().Cmp(alpacadecimal.Zero) > 0
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}
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func (our *Input) AddShield(value alpacadecimal.Decimal) bool {
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if our == nil || our.CurrentPet == nil {
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return false
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}
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if value.Cmp(alpacadecimal.Zero) <= 0 {
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return false
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}
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before := our.CurrentPet.Shield
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our.CurrentPet.Shield = our.CurrentPet.Shield.Add(value)
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our.notifyShieldChange(before, our.CurrentPet.Shield)
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return true
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}
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func (our *Input) AbsorbShieldDamage(damage alpacadecimal.Decimal) alpacadecimal.Decimal {
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if our == nil || our.CurrentPet == nil {
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return alpacadecimal.Zero
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}
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if damage.Cmp(alpacadecimal.Zero) <= 0 || our.CurrentPet.Shield.Cmp(alpacadecimal.Zero) <= 0 {
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return alpacadecimal.Zero
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}
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before := our.CurrentPet.Shield
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absorbed := alpacadecimal.Min(our.CurrentPet.Shield, damage)
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our.CurrentPet.Shield = our.CurrentPet.Shield.Sub(absorbed)
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if our.CurrentPet.Shield.Cmp(alpacadecimal.Zero) < 0 {
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our.CurrentPet.Shield = alpacadecimal.Zero
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}
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our.notifyShieldChange(before, our.CurrentPet.Shield)
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return absorbed
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}
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func (our *Input) ConsumeAllShield() alpacadecimal.Decimal {
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if our == nil || our.CurrentPet == nil {
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return alpacadecimal.Zero
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}
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before := our.CurrentPet.Shield
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value := our.CurrentPet.Shield
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our.CurrentPet.Shield = alpacadecimal.Zero
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our.notifyShieldChange(before, our.CurrentPet.Shield)
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return value
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}
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func (our *Input) notifyShieldChange(before, after alpacadecimal.Decimal) {
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if our == nil || before.Cmp(after) == 0 {
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return
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}
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for _, effect := range our.Effects {
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if effect == nil || !effect.Alive() {
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continue
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}
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hook, ok := effect.(shieldChangeEffect)
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if !ok {
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continue
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}
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effect.Ctx().Our = our
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effect.Ctx().Opp = our.Opp
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hook.ShieldChange(before, after)
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}
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}
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