Added oscillators (a signal component that sends out a periodic pulse, sine wave or a square wave)

2017-10-04 20:18:01 +03:00
parent 3aaf5cbae2
commit a740bf9a56
3 changed files with 127 additions and 0 deletions
@@ -449,6 +449,40 @@
    </ConnectionPanel>
  </Item>
  <Item
    name="Oscillator"
    category="Electrical"
    Tags="smallitem"
    linkable="true"
    price="10"
    description="Sends out a periodic, oscillating signal.">
    <Deconstruct time="10">
      <Item name="Steel Bar"/>
      <Item name="FPGA Circuit"/>
    </Deconstruct>
    <Sprite texture="signalcomp.png" depth="0.8" sourcerect="17,64,16,16"/>
    <OscillatorComponent canbeselected="true" outputtype="Pulse" frequency="1"/>
    <Body width="16" height="16" density="30"/>
    <Holdable selectkey="Action" slots="Any,RightHand,LeftHand" msg="Detach [Wrench]" PickingTime="5.0"
              aimpos="65,-10" handle1="0,0" attachable="true" aimable="true">
      <requireditem name="Wrench" type="Equipped"/>
    </Holdable>
    <ConnectionPanel selectkey="Action" canbeselected = "true" msg="Rewire [Screwdriver]">
      <requireditem name="Screwdriver,Wire" type="Equipped"/>
      <input name="set_frequency"/>
      <input name="set_outputtype"/>
      <output name="signal_out"/>
    </ConnectionPanel>
  </Item>
  <Item
    name="Wifi Component"
    category="Electrical"
@@ -0,0 +1,93 @@
 using System;
 using System.Collections.Generic;
 using System.Globalization;
 using System.Text;
 using System.Xml.Linq;
 using Microsoft.Xna.Framework;
 namespace Barotrauma.Items.Components
 {
    class OscillatorComponent : ItemComponent
    {
        public enum WaveType
        {
            Pulse,
            Sine,
            Square,
        }
        private float frequency;
        private float phase;
        [InGameEditable, HasDefaultValue(WaveType.Pulse, true)]
        public WaveType OutputType
        {
            get;
            set;
        }
        [InGameEditable, HasDefaultValue(1.0f, true)]
        public float Frequency
        {
            get { return frequency; }
            set { frequency = Math.Max(0.0f, value); }
        }
        public OscillatorComponent(Item item, XElement element) : 
            base(item, element)
        {
            IsActive = true;
        }
        public override void Update(float deltaTime, Camera cam)
        {
            switch (OutputType)
            {
                case WaveType.Pulse:
                    if (frequency <= 0.0f) return;
                    phase += deltaTime;
                    float pulseInterval = 1.0f / frequency;
                    while (phase >= pulseInterval)
                    {
                        item.SendSignal(0, "1", "signal_out", null);
                        phase -= pulseInterval;
                    }
                    break;
                case WaveType.Square:
                    phase = (phase + deltaTime * frequency) % 1.0f;
                    item.SendSignal(0, phase < 0.5f ? "0" : "1", "signal_out", null);
                    break;
                case WaveType.Sine:
                    phase = (phase + deltaTime * frequency) % 1.0f;
                    item.SendSignal(0, Math.Sin(phase * MathHelper.TwoPi).ToString(CultureInfo.InvariantCulture), "signal_out", null);
                    break;
            }
        }
        public override void ReceiveSignal(int stepsTaken, string signal, Connection connection, Item source, Character sender, float power = 0.0f)
        {
            switch (connection.Name)
            {
                case "set_frequency":
                case "frequency_in":
                    float newFrequency;
                    if (float.TryParse(signal, out newFrequency))
                    {
                        Frequency = newFrequency;
                    }
                    IsActive = true;
                    break;
                case "set_outputtype":
                case "set_wavetype":
                    WaveType newOutputType;
                    if (Enum.TryParse(signal, out newOutputType))
                    {
                        OutputType = newOutputType;
                    }
                    break;
            }
        }
    }
 }