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116 lines
4.4 KiB
C#

3 weeks ago
using System;
using Unity.BossRoom.Gameplay.GameplayObjects.Character;
using Unity.BossRoom.Infrastructure;
using Unity.Netcode;
using UnityEngine;
using Random = UnityEngine.Random;
namespace Unity.BossRoom.Gameplay.Actions
{
/// <summary>
/// Action responsible for creating a physics-based thrown object.
/// </summary>
[CreateAssetMenu(menuName = "BossRoom/Actions/Toss Action")]
public class TossAction : Action
{
bool m_Launched;
public override bool OnStart(ServerCharacter serverCharacter)
{
// snap to face the direction we're firing
if (m_Data.TargetIds != null && m_Data.TargetIds.Length > 0)
{
var initialTarget = NetworkManager.Singleton.SpawnManager.SpawnedObjects[m_Data.TargetIds[0]];
if (initialTarget)
{
Vector3 lookAtPosition;
if (PhysicsWrapper.TryGetPhysicsWrapper(initialTarget.NetworkObjectId, out var physicsWrapper))
{
lookAtPosition = physicsWrapper.Transform.position;
}
else
{
lookAtPosition = initialTarget.transform.position;
}
// snap to face our target! This is the direction we'll attack in
serverCharacter.physicsWrapper.Transform.LookAt(lookAtPosition);
}
}
serverCharacter.serverAnimationHandler.NetworkAnimator.SetTrigger(Config.Anim);
serverCharacter.clientCharacter.ClientPlayActionRpc(Data);
return true;
}
public override void Reset()
{
base.Reset();
m_Launched = false;
}
public override bool OnUpdate(ServerCharacter clientCharacter)
{
if (TimeRunning >= Config.ExecTimeSeconds && !m_Launched)
{
Throw(clientCharacter);
}
return true;
}
/// <summary>
/// Looks through the ProjectileInfo list and finds the appropriate one to instantiate.
/// For the base class, this is always just the first entry with a valid prefab in it!
/// </summary>
/// <exception cref="System.Exception">thrown if no Projectiles are valid</exception>
ProjectileInfo GetProjectileInfo()
{
foreach (var projectileInfo in Config.Projectiles)
{
if (projectileInfo.ProjectilePrefab)
{
return projectileInfo;
}
}
throw new System.Exception($"Action {this.name} has no usable Projectiles!");
}
/// <summary>
/// Instantiates and configures the thrown object. Repeatedly calling this does nothing.
/// </summary>
/// <remarks>
/// This calls GetProjectilePrefab() to find the prefab it should instantiate.
/// </remarks>
void Throw(ServerCharacter parent)
{
if (!m_Launched)
{
m_Launched = true;
var projectileInfo = GetProjectileInfo();
var no = NetworkObjectPool.Singleton.GetNetworkObject(projectileInfo.ProjectilePrefab, projectileInfo.ProjectilePrefab.transform.position, projectileInfo.ProjectilePrefab.transform.rotation);
var networkObjectTransform = no.transform;
// point the thrown object the same way we're facing
networkObjectTransform.forward = parent.physicsWrapper.Transform.forward;
networkObjectTransform.position = parent.physicsWrapper.Transform.localToWorldMatrix.MultiplyPoint(networkObjectTransform.position) +
networkObjectTransform.forward + (Vector3.up * 2f);
no.Spawn(true);
// important to add a force AFTER a NetworkObject is spawned, since IsKinematic is enabled on the
// Rigidbody component after it is spawned
var tossedItemRigidbody = no.GetComponent<Rigidbody>();
tossedItemRigidbody.AddForce((networkObjectTransform.forward * 80f) + (networkObjectTransform.up * 150f), ForceMode.Impulse);
tossedItemRigidbody.AddTorque((networkObjectTransform.forward * Random.Range(-15f, 15f)) + (networkObjectTransform.up * Random.Range(-15f, 15f)), ForceMode.Impulse);
}
}
}
}