We've got enemies and movement!!

This commit is contained in:
Matt F 2026-05-12 22:18:23 -07:00
parent 42ee0bf65d
commit 3287e8ea43
26 changed files with 1409 additions and 161 deletions

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// Assets/_Project/Scripts/Gameplay/WaveManager.cs
using System.Collections;
using Unity.Netcode;
using UnityEngine;
using TD.Core;
using TD.Levels;
namespace TD.Gameplay
{
/// <summary>
/// Server-authoritative wave controller. Spawns enemies across all player zones,
/// tracks wave completion, awards kill gold, and manages the shared lives pool.
/// </summary>
/// <remarks>
/// <b>Wave lifecycle:</b>
/// <list type="bullet">
/// <item>When <see cref="MatchPhase.Playing"/> is entered,
/// <see cref="StartNextWave"/> advances <see cref="MatchState.CurrentWave"/>
/// immediately (so the HUD shows the wave number during prep), then waits
/// <see cref="WaveDefinition.PrepTime"/> before spawning.</item>
/// <item>Each <see cref="WaveEntry"/> spawns <c>Count</c> enemies per player zone,
/// one zone per frame-group, with <c>SpawnInterval</c> seconds between
/// individual enemies in the group.</item>
/// <item>After all entries are spawned, the wave is considered complete only when
/// every active enemy is either killed or has reached the goal.</item>
/// <item>All waves exhausted → <see cref="MatchPhase.Victory"/>.</item>
/// <item>Lives drop to 0 → <see cref="MatchPhase.Defeat"/>.</item>
/// </list>
///
/// <b>Kill gold:</b> When an enemy dies, <see cref="EnemyHealth.LastHitOwner"/> names
/// the tower's player. <see cref="PlayerMatchState.GetForSlot"/> resolves the
/// <c>OwnerClientId</c>, and <see cref="PlayerGoldManager.GetForClient"/> awards
/// the gold.
///
/// <b>Zone leak counts:</b> <see cref="zoneLeakCounts"/> is a <c>NetworkList</c>
/// indexed by <c>(int)PlayerSlot</c> (indices 08). It is incremented when an enemy
/// crosses from one player zone into another, giving the HUD a per-player leak score.
/// Index 0 corresponds to <see cref="PlayerSlot.None"/> and is unused.
///
/// <b>Inspector setup:</b>
/// <list type="bullet">
/// <item>Assign <see cref="waveDefinitions"/> in order (Wave 1 at index 0).</item>
/// <item>Set <see cref="startingLives"/> to match your level design intent.</item>
/// </list>
/// </remarks>
public class WaveManager : NetworkBehaviour
{
// ----- Singleton --------------------------------------------------
public static WaveManager Instance { get; private set; }
// ----- Inspector --------------------------------------------------
[Tooltip("Wave definitions in order. Index 0 = Wave 1.")]
[SerializeField] private WaveDefinition[] waveDefinitions;
[Tooltip("Shared lives pool at the start of a match.")]
[SerializeField] private int startingLives = 20;
// ----- Networked state --------------------------------------------
// Per-slot zone-leak counters. Index = (int)PlayerSlot; size = 10 (0-9).
// Index 0 (PlayerSlot.None) is allocated but never written.
// Replicated so the HUD can show per-player leak scores on all peers.
private readonly NetworkList<int> zoneLeakCounts = new NetworkList<int>();
// ----- Server-local runtime state ---------------------------------
private int remainingLives;
private int activeEnemyCount;
private bool spawningComplete;
private int currentWaveIndex = -1; // -1 = not yet started
// ----- NGO lifecycle ----------------------------------------------
public override void OnNetworkSpawn()
{
if (Instance != null && Instance != this)
{
Debug.LogError("[WaveManager] Duplicate WaveManager detected. " +
"Only one may exist per scene.");
return;
}
Instance = this;
if (!IsServer) return;
// Populate the NetworkList with 10 zeros (indices 0-9 for PlayerSlot.None..Player9).
for (int i = 0; i < 10; i++)
zoneLeakCounts.Add(0);
remainingLives = startingLives;
// NGO's scene-object spawn sweep calls all OnNetworkSpawn methods
// synchronously in a single call stack. Yielding one frame guarantees
// every sibling NetworkBehaviour (including MatchState) has finished
// its own OnNetworkSpawn before we try to read MatchState.Instance.
StartCoroutine(InitAfterSpawn());
}
private System.Collections.IEnumerator InitAfterSpawn()
{
yield return null; // wait one frame
var ms = MatchState.Instance;
if (ms == null)
{
Debug.LogWarning("[WaveManager] MatchState not found after spawn. " +
"Waves will not start automatically.");
yield break;
}
ms.SetLives(remainingLives);
ms.OnPhaseChanged += HandlePhaseChanged;
if (ms.Phase == MatchPhase.Playing)
StartNextWave();
}
public override void OnNetworkDespawn()
{
if (Instance == this) Instance = null;
if (MatchState.Instance != null)
MatchState.Instance.OnPhaseChanged -= HandlePhaseChanged;
}
// ----- Public accessors -------------------------------------------
/// <summary>
/// Number of times enemies have leaked out of the given player's zone.
/// Replicated — safe to call on any peer.
/// </summary>
public int GetZoneLeakCount(PlayerSlot slot)
{
int idx = (int)slot;
return (idx >= 0 && idx < zoneLeakCounts.Count) ? zoneLeakCounts[idx] : 0;
}
// ----- Phase handling ---------------------------------------------
private void HandlePhaseChanged(MatchPhase previous, MatchPhase next)
{
if (!IsServer) return;
if (next == MatchPhase.Playing && currentWaveIndex < 0)
StartNextWave();
}
// ----- Wave coroutine ---------------------------------------------
private void StartNextWave()
{
currentWaveIndex++;
if (waveDefinitions == null || currentWaveIndex >= waveDefinitions.Length)
{
Debug.Log("[WaveManager] All waves complete. Victory.");
MatchState.Instance?.SetPhase(MatchPhase.Victory);
return;
}
// Advance the replicated wave counter at the START of prep so the HUD
// shows the upcoming wave number during the countdown.
MatchState.Instance?.SetCurrentWave(currentWaveIndex + 1); // 1-based
activeEnemyCount = 0;
spawningComplete = false;
StartCoroutine(RunWave(waveDefinitions[currentWaveIndex]));
}
private IEnumerator RunWave(WaveDefinition def)
{
// Prep phase — players build while the countdown ticks.
yield return new WaitForSeconds(def.PrepTime);
// Spawn phase.
if (def.Entries != null)
{
foreach (var entry in def.Entries)
{
if (entry.EnemyType == null || entry.Count <= 0) continue;
for (int i = 0; i < entry.Count; i++)
{
SpawnEnemyInAllZones(entry.EnemyType);
if (entry.SpawnInterval > 0f)
yield return new WaitForSeconds(entry.SpawnInterval);
}
}
}
spawningComplete = true;
// If every spawned enemy was already resolved before this coroutine finished
// (edge case: SpawnInterval = 0 and enemies die instantly), complete the wave now.
CheckWaveComplete();
}
// ----- Spawn helpers ----------------------------------------------
private void SpawnEnemyInAllZones(EnemyDefinition def)
{
var loader = LevelLoader.Instance;
if (loader?.LevelData?.PlayerZones == null) return;
foreach (var zone in loader.LevelData.PlayerZones)
{
if (zone.Spawners == null || zone.Spawners.Length == 0) continue;
// Use the first spawner in the zone. Future: round-robin through Spawners.
SpawnEnemy(def, zone.Spawners[0].TilePosition);
}
}
private void SpawnEnemy(EnemyDefinition def, Vector2Int spawnerTile)
{
if (def.EnemyPrefab == null)
{
Debug.LogWarning($"[WaveManager] EnemyDefinition '{def.name}' has no EnemyPrefab assigned.");
return;
}
var go = Instantiate(
def.EnemyPrefab,
GridCoordinates.GridToWorld(spawnerTile),
Quaternion.identity);
var health = go.GetComponent<EnemyHealth>();
var movement = go.GetComponent<EnemyMovement>();
if (health == null || movement == null)
{
Debug.LogError($"[WaveManager] Enemy prefab '{def.EnemyPrefab.name}' is missing " +
$"EnemyHealth or EnemyMovement. Enemy will not be spawned.");
Destroy(go);
return;
}
health.InitializeServer(def.MaxHp, def.GoldReward, def.LivesCost, def.IsFlying);
movement.InitializeServer(def.MoveSpeed, spawnerTile);
health.OnDied += HandleEnemyKilled;
movement.OnZoneLeaked += HandleZoneLeak;
movement.OnReachedGoal += HandleEnemyReachedGoal;
activeEnemyCount++;
go.GetComponent<NetworkObject>().Spawn();
}
// ----- Enemy event handlers (server-only) -------------------------
private void HandleEnemyKilled(EnemyHealth health)
{
// Award kill gold to the tower owner that landed the killing blow.
PlayerSlot killerSlot = health.LastHitOwner;
if (killerSlot != PlayerSlot.None)
{
var pms = PlayerMatchState.GetForSlot(killerSlot);
if (pms != null)
PlayerGoldManager.GetForClient(pms.OwnerClientId)
?.AwardGold(health.GoldReward);
}
UnsubscribeEnemy(health);
DecrementAndCheckComplete();
}
private void HandleZoneLeak(PlayerSlot leavingZone)
{
// Increment the per-slot leak counter for the zone the enemy is leaving.
int idx = (int)leavingZone;
if (idx >= 0 && idx < zoneLeakCounts.Count)
zoneLeakCounts[idx]++;
}
private void HandleEnemyReachedGoal(EnemyMovement movement, int livesCost)
{
UnsubscribeEnemy(movement.GetComponent<EnemyHealth>());
remainingLives = Mathf.Max(0, remainingLives - livesCost);
MatchState.Instance?.SetLives(remainingLives);
if (remainingLives <= 0)
{
Debug.Log("[WaveManager] Lives depleted. Defeat.");
MatchState.Instance?.SetPhase(MatchPhase.Defeat);
return;
}
DecrementAndCheckComplete();
}
// ----- Helpers ----------------------------------------------------
private void UnsubscribeEnemy(EnemyHealth health)
{
if (health == null) return;
health.OnDied -= HandleEnemyKilled;
var movement = health.GetComponent<EnemyMovement>();
if (movement != null)
{
movement.OnZoneLeaked -= HandleZoneLeak;
movement.OnReachedGoal -= HandleEnemyReachedGoal;
}
}
private void DecrementAndCheckComplete()
{
activeEnemyCount--;
CheckWaveComplete();
}
private void CheckWaveComplete()
{
if (!spawningComplete) return;
if (activeEnemyCount > 0) return;
// Guard: don't start the next wave if the match is already decided.
var ms = MatchState.Instance;
if (ms == null || ms.Phase == MatchPhase.Defeat || ms.Phase == MatchPhase.Victory)
return;
Debug.Log($"[WaveManager] Wave {currentWaveIndex + 1} complete. Starting next wave.");
StartNextWave();
}
}
}