initial commit

aghanim_singleplayer/scripts/vscripts/abilities/traps/arrow.lua

@@ -0,0 +1,110 @@
+
+--[[ abilities/traps/arrow.lua ]]
+
+arrow = class({})
+
+----------------------------------------------------------------------------------------
+
+function arrow:Precache( context )
+
+	PrecacheResource( "particle", "particles/traps/temple_trap_arrow.vpcf", context )
+	PrecacheResource( "particle", "particles/units/heroes/hero_phantom_assassin/phantom_assassin_crit_impact.vpcf", context )
+
+end
+
+--------------------------------------------------------------------------------
+
+function arrow:OnSpellStart()
+	self.start_radius = self:GetSpecialValueFor( "start_radius" )
+	self.end_radius = self:GetSpecialValueFor( "end_radius" )
+	self.speed = self:GetLevelSpecialValueFor( "speed", GameRules.Aghanim:GetAscensionLevel() )
+	self.max_hp_pct_damage = self:GetLevelSpecialValueFor( "max_hp_pct_damage", GameRules.Aghanim:GetAscensionLevel() )
+	--printf( "ascension level: %d; speed: %d; percent damage: %d", GameRules.Aghanim:GetAscensionLevel(), self.speed, self.max_hp_pct_damage )
+
+	local vPos = nil
+	if self:GetCursorTarget() then
+		vPos = self:GetCursorTarget():GetOrigin()
+	else
+		vPos = self:GetCursorPosition()
+	end
+
+	local fRangeToTarget =  ( self:GetCaster():GetOrigin() - vPos ):Length2D()
+
+	local vDirection = vPos - self:GetCaster():GetOrigin()
+	vDirection.z = 0.0
+	vDirection = vDirection:Normalized()
+
+	self.speed = self.speed * ( ( fRangeToTarget ) / ( fRangeToTarget -self.start_radius ) )
+
+	local info = {
+		EffectName = "particles/traps/temple_trap_arrow.vpcf",
+		Ability = self,
+		vSpawnOrigin = self:GetCaster():GetOrigin(), 
+		fStartRadius = self.start_radius,
+		fEndRadius = self.end_radius,
+		vVelocity = vDirection * self.speed,
+		fDistance = fRangeToTarget,
+		Source = self:GetCaster(),
+		iUnitTargetTeam = DOTA_UNIT_TARGET_TEAM_ENEMY,
+		iUnitTargetType = DOTA_UNIT_TARGET_HERO + DOTA_UNIT_TARGET_BASIC,
+	}
+
+	ProjectileManager:CreateLinearProjectile( info )
+
+	EmitSoundOn( "AghanimsFortress.FireTrap", self:GetCaster() )
+end
+
+--------------------------------------------------------------------------------
+
+function arrow:OnProjectileHit( hTarget, vLocation )
+	if hTarget ~= nil and ( not hTarget:IsMagicImmune() ) and ( not hTarget:IsInvulnerable() ) then
+		if hTarget:HasModifier( "modifier_treasure_chest" ) then
+			return false
+		end
+
+		--[[
+		local modifierKnockback =
+		{
+			center_x = vLocation.x,
+			center_y = vLocation.y,
+			center_z = vLocation.z,
+			duration = 0.3,
+			knockback_duration = 0.3,
+			knockback_distance = 450,
+			knockback_height = 50,
+		}
+		hTarget:AddNewModifier( hTarget, nil, "modifier_knockback", modifierKnockback )
+		]]
+
+		local fMaxHealth = hTarget:GetMaxHealth()
+		local fDamage = math.ceil( fMaxHealth * ( self.max_hp_pct_damage / 100.0 ) )
+		--printf( "arrow:OnProjectileHit - applying %.2f damage to target with %.2f max health", fDamage, fMaxHealth )
+
+		local damageSource = self:GetCaster()
+		local damage = {
+			victim = hTarget,
+			attacker = damageSource,
+			damage = fDamage,
+			damage_type = DAMAGE_TYPE_PURE,
+			ability = self
+		}
+		ApplyDamage( damage )
+
+		if not ( hTarget:IsNull() ) and hTarget ~= nil then
+			local nFXIndex = ParticleManager:CreateParticle( "particles/units/heroes/hero_phantom_assassin/phantom_assassin_crit_impact.vpcf", PATTACH_CUSTOMORIGIN, nil )
+			ParticleManager:SetParticleControlEnt( nFXIndex, 0, hTarget, PATTACH_POINT_FOLLOW, "attach_hitloc", hTarget:GetOrigin(), true )
+			ParticleManager:SetParticleControl( nFXIndex, 1, hTarget:GetOrigin() )
+			ParticleManager:SetParticleControlForward( nFXIndex, 1, -self:GetCaster():GetForwardVector() )
+			ParticleManager:SetParticleControlEnt( nFXIndex, 10, hTarget, PATTACH_ABSORIGIN_FOLLOW, nil, hTarget:GetOrigin(), true )
+			ParticleManager:ReleaseParticleIndex( nFXIndex )
+
+			EmitSoundOn( "Dungeon.BloodSplatterImpact", hTarget )
+		end
+
+		return true
+	end
+
+	return false
+end
+
+--------------------------------------------------------------------------------