7561c09edc
Upgraded Unity version to 6000.1.10f1 Rewrote gravity surface shader to use shader environment vars for placement + various compatibility fixes
109 lines
5.5 KiB
C#
109 lines
5.5 KiB
C#
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
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using System;
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using UnityEngine;
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using Unity.Mathematics;
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using UnityEngine.Experimental.Rendering;
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using UnityEngine.Rendering;
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using UnityEngine.Serialization;
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using static Unity.Mathematics.math;
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using static Unity.Mathematics.noise;
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/// <summary>
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/// Drives the volume render.
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/// </summary>
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[ExecuteInEditMode]
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[RequireComponent( typeof( Camera ) )]
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public class VolumeSampling : MonoBehaviour
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{
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public Transform GridMesh;
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public Camera GridCamera;
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public GameSettings Settings;
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public RenderTexture NebulaSurfaceHeight;
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public RenderTexture NebulaPatchHeight;
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public RenderTexture NebulaPatch;
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public RenderTexture NebulaTint;
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private MeshRenderer _gridMeshRenderer;
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private float _flowScroll;
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private Transform _gridTransform;
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private GlobalKeyword _keywordFlowGlobal;
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private GlobalKeyword _keywordFlowSlope;
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private GlobalKeyword _keywordNoiseSlope;
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private void Start()
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{
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_keywordFlowGlobal = GlobalKeyword.Create("FLOW_GLOBAL");
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_keywordFlowSlope = GlobalKeyword.Create("FLOW_SLOPE");
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_keywordNoiseSlope = GlobalKeyword.Create("NOISE_SLOPE");
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if (GridMesh != null)
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_gridMeshRenderer = GridMesh.GetComponent<MeshRenderer>();
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}
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void Update()
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{
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if(_gridTransform==null)
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_gridTransform = GridCamera?.transform;
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// Shader needs to know the position and scale of cameras used to render input textures
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if(GridCamera != null)
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Shader.SetGlobalVector("_GridTransform", new Vector4(_gridTransform.position.x,_gridTransform.position.z,GridCamera.orthographicSize*2));
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var environment = ActionGameManager.Instance?.CurrentEnvironment ?? Settings.DefaultEnvironment;
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if (GridMesh != null)
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{
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GridMesh.gameObject.SetActive(environment.Grid.Enabled);
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_gridMeshRenderer.bounds = new Bounds(
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new Vector3(_gridTransform.position.x, environment.Grid.Offset, _gridTransform.position.z),
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new Vector3(GridCamera.orthographicSize * 2, 1000, GridCamera.orthographicSize * 2));
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// GridMesh.position = new Vector3(_gridTransform.position.x, environment.Grid.Offset, _gridTransform.position.z);
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// GridMesh.localScale = new Vector3(GridCamera.orthographicSize, 1, GridCamera.orthographicSize);
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}
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// Volumetric sampling parameters are used by several shaders
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Shader.SetGlobalTexture("_NebulaSurfaceHeight", NebulaSurfaceHeight);
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Shader.SetGlobalTexture("_NebulaPatchHeight", NebulaPatchHeight);
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Shader.SetGlobalTexture("_NebulaPatch", NebulaPatch);
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Shader.SetGlobalTexture("_NebulaTint", NebulaTint);
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Shader.SetGlobalFloat("_NebulaFillDensity", environment.Nebula.FillDensity);
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Shader.SetGlobalFloat("_NebulaFillDistance", environment.Nebula.FillDistance);
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Shader.SetGlobalFloat("_NebulaFillExponent", environment.Nebula.FillExponent);
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Shader.SetGlobalFloat("_NebulaFillOffset", environment.Nebula.FillOffset);
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Shader.SetGlobalFloat("_NebulaPatchDensity", environment.Nebula.PatchDensity);
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Shader.SetGlobalFloat("_NebulaFloorOffset", environment.Nebula.FloorOffset);
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Shader.SetGlobalFloat("_NebulaFloorBlend", environment.Nebula.FloorBlend);
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Shader.SetGlobalFloat("_NebulaPatchBlend", environment.Nebula.PatchBlend);
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Shader.SetGlobalFloat("_NebulaLuminance", environment.Nebula.Luminance);
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Shader.SetGlobalFloat("_ExtinctionCoefficient", environment.Nebula.Extinction);
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Shader.SetGlobalFloat("_TintLodExponent", environment.Nebula.TintLodExponent);
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Shader.SetGlobalFloat("_SafetyDistance", environment.Nebula.SafetyDistance);
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Shader.SetGlobalFloat("_DynamicSkyBoost", environment.Lighting.DynamicSkyBoost);
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Shader.SetGlobalFloat("_DynamicLodHigh", environment.Lighting.DynamicLodHigh);
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Shader.SetGlobalFloat("_DynamicLodLow", environment.Lighting.DynamicLodLow);
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Shader.SetGlobalFloat("_DynamicIntensity", environment.Lighting.DynamicIntensity);
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Shader.SetGlobalFloat("_NebulaNoiseScale", environment.Noise.Scale);
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Shader.SetGlobalFloat("_NebulaNoiseExponent", environment.Noise.Exponent);
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Shader.SetGlobalFloat("_NebulaNoiseAmplitude", environment.Noise.Amplitude);
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Shader.SetGlobalFloat("_NebulaNoiseSpeed", environment.Noise.Speed);
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Shader.SetGlobalFloat("_NebulaNoiseSlopeExponent", environment.Noise.SlopeExponent);
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Shader.SetGlobalFloat("_FlowScale", environment.Flow.GlobalScale);
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Shader.SetGlobalFloat("_FlowAmplitude", environment.Flow.GlobalAmplitude);
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Shader.SetGlobalFloat("_FlowSlopeAmplitude", environment.Flow.SlopeAmplitude);
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Shader.SetGlobalFloat("_FlowSwirlAmplitude", environment.Flow.SwirlAmplitude);
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_flowScroll += environment.Flow.GlobalScrollSpeed * Time.deltaTime;
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Shader.SetGlobalFloat("_FlowScroll", _flowScroll);
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Shader.SetGlobalFloat("_FlowPeriod", environment.Flow.Period);
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Shader.SetKeyword(_keywordFlowGlobal, environment.Flow.GlobalAmplitude != 0);
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Shader.SetKeyword(_keywordFlowSlope, environment.Flow.SlopeAmplitude != 0 || environment.Flow.SwirlAmplitude != 0);
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Shader.SetKeyword(_keywordNoiseSlope, environment.Noise.SlopeExponent != 0);
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}
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}
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