Add SpellMod_DotTickLength_Flat

sim/core/spell_mod.go

@@ -220,6 +220,10 @@ const (
 	// Add/subtract to the casts gcd
 	// Uses: TimeValue
 	SpellMod_GlobalCooldown_Flat
+
+	// Add/substrct to the base tick frequency
+	// Uses: TimeValue
+	SpellMod_DotTickLength_Flat
 )
 
 var spellModMap = map[SpellModType]*SpellModFunctions{
@@ -282,6 +286,10 @@ var spellModMap = map[SpellModType]*SpellModFunctions{
 		Apply:  applyGlobalCooldownFlat,
 		Remove: removeGlobalCooldownFlat,
 	},
+	SpellMod_DotTickLength_Flat: {
+		Apply:  applyDotTickLengthFlat,
+		Remove: removeDotTickLengthFlat,
+	},
 }
 
 func applyDamageDonePercent(mod *SpellMod, spell *Spell) {
@@ -401,3 +409,29 @@ func applyGlobalCooldownFlat(mod *SpellMod, spell *Spell) {
 func removeGlobalCooldownFlat(mod *SpellMod, spell *Spell) {
 	spell.DefaultCast.GCD -= mod.timeValue
 }
+
+func applyDotTickLengthFlat(mod *SpellMod, spell *Spell) {
+	if spell.dots != nil {
+		for _, dot := range spell.dots {
+			if dot != nil {
+				dot.TickLength += mod.timeValue
+			}
+		}
+	}
+	if spell.aoeDot != nil {
+		spell.aoeDot.TickLength += mod.timeValue
+	}
+}
+
+func removeDotTickLengthFlat(mod *SpellMod, spell *Spell) {
+	if spell.dots != nil {
+		for _, dot := range spell.dots {
+			if dot != nil {
+				dot.TickLength -= mod.timeValue
+			}
+		}
+	}
+	if spell.aoeDot != nil {
+		spell.aoeDot.TickLength -= mod.timeValue
+	}
+}

sim/priest/items.go

@@ -183,7 +183,12 @@ var ItemSetCrimsonAcolyte = core.NewItemSet(core.ItemSet{
 			})
 		},
 		4: func(agent core.Agent) {
-			// TODO: Implemement proper aura mod to mod total duration
+			character := agent.GetCharacter()
+			character.AddStaticMod(core.SpellModConfig{
+				Kind:      core.SpellMod_DotTickLength_Flat,
+				TimeValue: -time.Millisecond * 170,
+				ClassMask: PriestSpellMindFlay,
+			})
 		},
 	},
 })

sim/priest/shadow/TestShadow.results

@@ -316,8 +316,8 @@ dps_results: {
 dps_results: {
  key: "TestShadow-AllItems-CrimsonAcolyte'sRegalia"
  value: {
-  dps: 17447.05826
-  tps: 16603.95236
+  dps: 17616.72371
+  tps: 16814.33155
  }
 }
 dps_results: {