114 lines
3.5 KiB
C#
114 lines
3.5 KiB
C#
using System;
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using ColdMint.scripts.character;
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using ColdMint.scripts.pickable;
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using Godot;
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namespace ColdMint.scripts.weapon;
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/// <summary>
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/// <para>WeaponTemplate</para>
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/// <para>武器模板</para>
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/// </summary>
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public abstract partial class WeaponTemplate : PickAbleTemplate
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{
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private float _gravity = ProjectSettings.GetSetting("physics/2d/default_gravity").AsSingle();
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/// <summary>
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/// <para>Fire audio playback component</para>
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/// <para>开火音效播放组件</para>
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/// </summary>
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private AudioStreamPlayer2D? _audioStreamPlayer2D;
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public override void _Ready()
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{
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base._Ready();
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_audioStreamPlayer2D = GetNodeOrNull<AudioStreamPlayer2D>("Marker2D/AudioStreamPlayer2D");
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}
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public override void Use(Node2D? owner, Vector2 targetGlobalPosition)
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{
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Fire(owner, targetGlobalPosition);
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}
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private DateTime? _lastFiringTime;
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/// <summary>
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/// <para>Firing interval</para>
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/// <para>开火间隔</para>
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/// </summary>
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private TimeSpan _firingInterval;
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private long _firingIntervalAsMillisecond = 100;
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[Export]
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protected long FiringIntervalAsMillisecond
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{
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get => _firingIntervalAsMillisecond;
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set
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{
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_firingIntervalAsMillisecond = value;
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_firingInterval = TimeSpan.FromMilliseconds(_firingIntervalAsMillisecond);
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}
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}
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/// <summary>
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/// <para>The recoil of the weapon</para>
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/// <para>武器的后坐力</para>
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/// </summary>
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/// <remarks>
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///<para>When the weapon is fired, how much recoil is applied to the user, in units: the number of cells, and the X direction of the force is automatically inferred.</para>
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///<para>武器开火，要对使用者施加多大的后坐力，单位：格数，力的X方向是自动推断的。</para>
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/// </remarks>
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[Export] private long _recoilStrength;
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/// <summary>
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/// <para>Discharge of the weapon</para>
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/// <para>武器开火</para>
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/// </summary>
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/// <remarks>
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///<param name="owner">
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///<para>owner</para>
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///<para>武器所有者</para>
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/// </param>
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/// <param name="enemyGlobalPosition">
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///<para>enemyGlobalPosition</para>
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///<para>敌人所在位置</para>
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/// </param>
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/// </remarks>
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public void Fire(Node2D? owner, Vector2 enemyGlobalPosition)
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{
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var nowTime = DateTime.Now;
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//If the present time minus the time of the last fire is less than the interval between fires, it means that the fire cannot be fired yet.
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//如果现在时间减去上次开火时间小于开火间隔，说明还不能开火。
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if (_lastFiringTime != null && nowTime - _lastFiringTime < _firingInterval)
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{
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return;
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}
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var result = DoFire(owner, enemyGlobalPosition);
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if (result)
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{
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if (owner is CharacterTemplate characterTemplate)
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{
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if (_recoilStrength != 0)
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{
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characterTemplate.AddForce(enemyGlobalPosition.DirectionTo(characterTemplate.GlobalPosition) * _recoilStrength * Config.CellSize);
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}
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}
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_audioStreamPlayer2D?.Play();
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}
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_lastFiringTime = nowTime;
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}
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/// <summary>
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/// <para>Execute fire</para>
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/// <para>执行开火</para>
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/// </summary>
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/// <returns>
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///<para>Return Is the fire successful?</para>
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///<para>返回是否成功开火？</para>
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/// </returns>
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protected abstract bool DoFire(Node2D? owner, Vector2 enemyGlobalPosition);
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} |