Implement passive relics and six-family defense towers

Assets/_Project/Constants/Defense/DefenseConstants.asset

@@ -16,6 +16,14 @@ MonoBehaviour:
   DirectTowerCost: 30
   SummonTowerCost: 40
   PortalRewardCurrency: 20
+  EnemyKillCurrency: 15
+  LightningTowerCost: 35
+  ColdTowerCost: 35
+  SeismicTowerCost: 35
+  EmpoweringTowerCost: 35
+  Tier2UpgradeCost: 20
+  Tier3UpgradeCost: 30
+  Tier4UpgradeCost: 40
   BaseMaximumHealth: 12
   PortalEnemyCount: 8
   ArrivalBaseDamage: 1
@@ -34,6 +42,10 @@ MonoBehaviour:
   BuildPadPositions:
   - {x: -3.25, y: 3.25}
   - {x: 3.25, y: -3.25}
+  - {x: -3.25, y: -3.25}
+  - {x: 3.25, y: 3.25}
+  - {x: 0, y: 3.25}
+  - {x: 0, y: -3.25}
   WaypointPositions:
   - {x: -3, y: 3.25}
   - {x: 3, y: 3.25}
@@ -53,6 +65,22 @@ MonoBehaviour:
   SummonAreaRadius: 2.25
   SummonUnitMoveSpeed: 2.5
   SummonAttackRange: 1.2
+  LightningDamage: 6
+  LightningInterval: 1.1
+  LightningRadius: 1.3
+  ColdDamage: 3
+  ColdInterval: 1.2
+  ColdSlowFraction: 0.35
+  ColdSlowSeconds: 1.5
+  SeismicDamage: 2
+  SeismicInterval: 2
+  SeismicStunSeconds: 0.45
+  SeismicRadius: 1.4
+  SupportRadius: 3.5
+  SupportDamageBonusPerTier: 0.1
+  SmotheringDamageBonus: 0.3
+  ImbuingAttackIntervalMultiplier: 0.75
+  TowerDamageBonusPerTier: 0.25
   PlayerReviveDelaySeconds: 5
   PlayerReviveInvulnerabilitySeconds: 1
   RewardPickupRadius: 1.35