95 lines
3.3 KiB
C#
95 lines
3.3 KiB
C#
using System;
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using System.Runtime.InteropServices;
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using FMOD;
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using Ktyl.Util;
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using UnityEngine;
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using INITFLAGS = FMOD.Studio.INITFLAGS;
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[CreateAssetMenu(menuName = "Audio Visualizer Settings")]
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public class AudioVisualizer : ScriptableObject
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{
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[Serializable]
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private struct ShaderPropertyAnimation
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{
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public string name;
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public float multiplier;
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[UnityEngine.Range(0, 5)]
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public int channel;
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[UnityEngine.Range(0, 2048)]
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public int sample;
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public float Initial { get; set; }
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}
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[SerializeField] private SerialFloat _distanceToNextBeat;
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[SerializeField] private SerialFloat _distanceSinceLastBeat;
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[SerializeField] private ShaderPropertyAnimation[] _fractalAnimations;
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[SerializeField] private ShaderPropertyAnimation[] _tunnelAnimations;
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[SerializeField] private ShaderPropertyAnimation[] _shipAnimations;
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[SerializeField] private AccessibilityOptions _accessibility;
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public void Initialise(Material fractal, Material tunnel, Material ship)
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{
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// _fractal = fractal;
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// _tunnel = tunnel;
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// _ship = ship;
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InitialiseAnimations(_fractalAnimations, fractal);
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InitialiseAnimations(_tunnelAnimations, tunnel);
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InitialiseAnimations(_shipAnimations, ship);
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}
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private void InitialiseAnimations(ShaderPropertyAnimation[] animations, Material material)
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{
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for (int i = 0; i < animations.Length; i++)
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{
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var anim = animations[i];
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anim.Initial = material.GetFloat(anim.name);
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animations[i] = anim;
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}
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}
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public void Update(DSP fft, Renderer fractal, Renderer tunnel, Renderer ship)
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{
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// update beat-based things
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Shader.SetGlobalFloat("_DistanceSinceLastBeat", _distanceSinceLastBeat);
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Shader.SetGlobalFloat("_DistanceToNextBeat", _distanceToNextBeat);
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fft.getParameterData((int) FMOD.DSP_FFT.SPECTRUMDATA, out var unmanagedData, out var length);
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var fftData = (FMOD.DSP_PARAMETER_FFT) Marshal.PtrToStructure(unmanagedData, typeof(FMOD.DSP_PARAMETER_FFT));
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var spectrum = fftData.spectrum;
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var l = spectrum.Length;
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if (l == 0) return;
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for (int i = 0; i < _fractalAnimations.Length; i++)
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{
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var anim = _fractalAnimations[i];
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var a = spectrum[anim.channel][anim.sample];
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fractal.material.SetFloat(anim.name, anim.Initial + anim.multiplier * a);
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}
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for (int i = 0; i < _tunnelAnimations.Length; i++)
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{
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var anim = _tunnelAnimations[i];
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var a = spectrum[anim.channel][anim.sample];
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tunnel.material.SetFloat(anim.name, anim.Initial + anim.multiplier * a);
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}
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UpdateAnimations(spectrum, _shipAnimations, ship);
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}
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private void UpdateAnimations(float[][] spectrum, ShaderPropertyAnimation[] animations, Renderer renderer)
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{
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for (int i = 0; i < animations.Length; i++)
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{
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var anim = animations[i];
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var a = spectrum[anim.channel][anim.sample];
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renderer.material.SetFloat(anim.name, anim.Initial + anim.multiplier * a);
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}
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}
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}
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