feat: add BasePower abstraction

Powers/ExplosiveBullets.cs

@@ -0,0 +1,70 @@
+using CounterStrikeSharp.API;
+using CounterStrikeSharp.API.Core;
+using CounterStrikeSharp.API.Modules.Utils;
+using Cs2SuperPowers.Players;
+using Cs2SuperPowers.Utils;
+using Cs2SuperPowers.Players.PlayerValidations;
+
+namespace Cs2SuperPowers.Powers;
+
+public class ExplosiveBullets(IPlayerHud playerHud) : BasePower(playerHud)
+{
+    public override int Id => 30;
+    public override string Name => "Explosive Bullets";
+    public override string Description => "Every bullet hit causes a small explosion.";
+    public override char ChatColor => ChatColors.Orange;
+    public override string HtmlColor => "#FF4500";
+
+    protected override void OnInitialize()
+    {
+        RegisterEventHandler<EventPlayerHurt>(OnPlayerHurt);
+    }
+
+    private HookResult OnPlayerHurt(EventPlayerHurt @event, GameEventInfo info)
+    {
+        var attacker = @event.Attacker;
+        var victim = @event.Userid;
+
+        if (!Ensure.Player(attacker).IsValid().Check() ||
+            !Ensure.Player(victim).IsValid().Check() ||
+            attacker == victim ||
+            !IsAssignedTo(attacker!))
+        {
+            return HookResult.Continue;
+        }
+
+        if (string.IsNullOrWhiteSpace(@event.Weapon) || @event.Weapon.Contains("grenade", StringComparison.OrdinalIgnoreCase))
+        {
+            return HookResult.Continue;
+        }
+
+        var attackerPawn = attacker!.PlayerPawn.Value;
+        var victimPawn = victim!.PlayerPawn.Value;
+        if (victimPawn == null || attackerPawn == null)
+            return HookResult.Continue;
+
+        var pos = victimPawn.AbsOrigin;
+        if (pos == null)
+            return HookResult.Continue;
+
+        pos.Z += 20;
+
+        // Create explosion with a small grenade at victim's position
+        var ang = new QAngle(0, 0, 0);
+        var velocity = new Vector(0, 0, 0);
+
+        var grenade = GrenadeSpawner.CreateGrenade(pos, ang, velocity, attackerPawn);
+        
+        // Detonate it immediately
+        Server.NextFrame(() =>
+        {
+            if (grenade != null && grenade.IsValid)
+            {
+                grenade.AcceptInput("InitializeSpawnFromWorld", attackerPawn, attackerPawn);
+                grenade.DetonateTime = 0;
+            }
+        });
+
+        return HookResult.Continue;
+    }
+}