implementation for 5* lightcone: BeforeDawn

internal/lightcone/erudition/beforedawn/beforedawn.go

@@ -0,0 +1,102 @@
+package beforedawn
+
+import (
+	"github.com/simimpact/srsim/pkg/engine"
+	"github.com/simimpact/srsim/pkg/engine/equip/lightcone"
+	"github.com/simimpact/srsim/pkg/engine/event"
+	"github.com/simimpact/srsim/pkg/engine/info"
+	"github.com/simimpact/srsim/pkg/engine/modifier"
+	"github.com/simimpact/srsim/pkg/engine/prop"
+	"github.com/simimpact/srsim/pkg/key"
+	"github.com/simimpact/srsim/pkg/model"
+)
+
+//Increases the wearer's CRIT DMG by x%. Increases the wearer's Skill and Ultimate DMG by x%.
+//After the wearer uses their Skill or Ultimate, they gain Somnus Corpus.
+//Upon triggering a follow-up attack, Somnus Corpus will be consumed and the follow-up attack DMG increases by x%.
+const (
+	BeforeDawn   key.Modifier = "before_dawn"
+	SomnusCorpus key.Modifier = "somnus_corpus"
+)
+
+type somnusState struct {
+	amt  float64
+	used bool
+}
+
+//
+func init() {
+	lightcone.Register(key.BeforeDawn, lightcone.Config{
+		CreatePassive: Create,
+		Rarity:        5,
+		Path:          model.Path_ERUDITION,
+		Promotions:    promotions,
+	})
+
+	modifier.Register(BeforeDawn, modifier.Config{
+		Listeners: modifier.Listeners{
+			OnBeforeHit:   onBeforeHit,
+			OnAfterAction: onAfterAction,
+		},
+	})
+
+	modifier.Register(SomnusCorpus, modifier.Config{
+		StatusType: model.StatusType_STATUS_BUFF,
+		Listeners: modifier.Listeners{
+			OnBeforeHit:   onBeforeHitSomnus,
+			OnAfterAttack: onAfterAttack,
+		},
+	})
+}
+
+//Add crit dmg modifier
+func Create(engine engine.Engine, owner key.TargetID, lc info.LightCone) {
+	amt := 0.30 + 0.06*float64(lc.Ascension)
+	engine.AddModifier(owner, info.Modifier{
+		Name:   BeforeDawn,
+		Source: owner,
+		Stats:  info.PropMap{prop.CritDMG: amt},
+		State:  float64(lc.Ascension),
+	})
+
+}
+
+//BeforeHit if its ult or skill add the dmg% to that hit
+func onBeforeHit(mod *modifier.ModifierInstance, e event.HitStartEvent) {
+	if e.Hit.AttackType == model.AttackType_ULT ||
+		e.Hit.AttackType == model.AttackType_SKILL {
+		e.Hit.Attacker.AddProperty(prop.AllDamagePercent, 0.15+0.03*mod.State().(float64))
+	}
+}
+
+//Beforehit if its follow and it has the SomnusCorpusMod add the dmg% to that hit and change used to true
+func onBeforeHitSomnus(mod *modifier.ModifierInstance, e event.HitStartEvent) {
+	state := mod.State().(*somnusState)
+	if e.Hit.AttackType == model.AttackType_INSERT {
+		e.Hit.Attacker.AddProperty(prop.AllDamagePercent, state.amt)
+		state.used = true
+	}
+}
+
+//after attack if SomnusCorpMod is used, remove self.
+func onAfterAttack(mod *modifier.ModifierInstance, e event.AttackEndEvent) {
+	state := mod.State().(*somnusState)
+	if state.used {
+		mod.RemoveSelf()
+	}
+}
+
+//AfterAction if its ult or skill add the SomnusCorpusMod
+func onAfterAction(mod *modifier.ModifierInstance, e event.ActionEvent) {
+	if e.AttackType == model.AttackType_ULT ||
+		e.AttackType == model.AttackType_SKILL {
+		amt := mod.State().(float64)
+		mod.Engine().AddModifier(mod.Owner(), info.Modifier{
+			Name:   SomnusCorpus,
+			Source: mod.Owner(),
+			State: &somnusState{
+				amt: 0.40 + 0.08*amt,
+			},
+		})
+	}
+}

pkg/key/lightcone.go

@@ -15,6 +15,7 @@ const (
 	// Erudition
 	Passkey LightCone = "passkey"
 	DataBank LightCone = "data_bank"
+	BeforeDawn LightCone = "before_dawn"
 
 	// Harmony
 	Chorus LightCone = "chorus"

pkg/simulation/imports.go

@@ -5,6 +5,7 @@ import (
 	_ "github.com/simimpact/srsim/internal/global"
 	_ "github.com/simimpact/srsim/internal/lightcone/abundance/finefruit"
 	_ "github.com/simimpact/srsim/internal/lightcone/destruction/themoleswelcomeyou"
+	_ "github.com/simimpact/srsim/internal/lightcone/erudition/beforedawn"
 	_ "github.com/simimpact/srsim/internal/lightcone/erudition/databank"
 	_ "github.com/simimpact/srsim/internal/lightcone/erudition/passkey"
 	_ "github.com/simimpact/srsim/internal/lightcone/harmony/chorus"