public static void ConvertParticleToBender(MenuCommand cmd)
{
ParticleSystem ps = (ParticleSystem)cmd.context;
if (!ps.gameObject.GetComponent <GrassBender>())
{
GrassBender bender = ps.gameObject.AddComponent <GrassBender>();
bender.benderType = GrassBenderBase.BenderType.ParticleSystem;
bender.particleSystem = ps.GetComponent <ParticleSystem>();
GrassBenderBase.ValidateParticleSystem(bender);
}
}
// Here you can implement the rendering logic.
// Use <c>ScriptableRenderContext</c> to issue drawing commands or execute command buffers
// https://docs.unity3d.com/ScriptReference/Rendering.ScriptableRenderContext.html
// You don't have to call ScriptableRenderContext.submit, the render pipeline will call it at specific points in the pipeline.
public override void Execute(ScriptableRenderContext context, ref RenderingData renderingData)
{
var cmd = CommandBufferPool.Get(profilerSampler.name);
renderBounds = StylizedGrassRenderer.Instance.bounds;
frustrumPlanes = GeometryUtility.CalculateFrustumPlanes(StylizedGrassRenderer.Instance.renderCam);
using (new ProfilingScope(cmd, profilerSampler))
{
foreach (KeyValuePair <int, List <GrassBender> > layer in StylizedGrassRenderer.GrassBenders)
{
foreach (GrassBender b in layer.Value)
{
if (b.enabled == false)
{
continue;
}
props.SetVector("_Params", new Vector4(b.strength, b.heightOffset, b.pushStrength, b.scaleMultiplier));
if (b.benderType == GrassBenderBase.BenderType.Trail)
{
if (!b.trailRenderer)
{
continue;
}
if (!b.trailRenderer.emitting)
{
continue;
}
if (!GeometryUtility.TestPlanesAABB(frustrumPlanes, b.trailRenderer.bounds))
{
continue;
}
m_TrailRenderer = b.trailRenderer;
m_TrailRenderer.SetPropertyBlock(props);
//Trail
m_TrailRenderer.emitting = b.gameObject.activeInHierarchy;
m_TrailRenderer.generateLightingData = true;
m_TrailRenderer.widthMultiplier = b.trailRadius;
m_TrailRenderer.time = b.trailLifetime;
m_TrailRenderer.minVertexDistance = b.trailAccuracy;
m_TrailRenderer.widthCurve = b.widthOverLifetime;
m_TrailRenderer.colorGradient = GrassBenderBase.GetGradient(b.strengthOverLifetime);
//If disabled, temporarly enable in order to bake mesh
trailEnabled = m_TrailRenderer.enabled ? true : false;
if (!trailEnabled)
{
m_TrailRenderer.enabled = true;
}
if (b.bakedMesh == null)
{
b.bakedMesh = new Mesh();
}
m_TrailRenderer.BakeMesh(b.bakedMesh, renderingData.cameraData.camera, false);
cmd.DrawMesh(b.bakedMesh, Matrix4x4.identity, GrassBenderBase.TrailMaterial, 0, 0, props);
//Note: Faster, but crashed when trails are disabled (Case 1200430)
//cmd.DrawRenderer(m_TrailRenderer, GrassBenderBase.TrailMaterial, 0, 0);
if (!trailEnabled)
{
m_TrailRenderer.enabled = false;
}
//trailMesh.Clear();
}
if (b.benderType == GrassBenderBase.BenderType.ParticleSystem)
{
if (!b.particleSystem)
{
continue;
}
if (!GeometryUtility.TestPlanesAABB(frustrumPlanes, b.particleRenderer.bounds))
{
continue;
}
m_ParticleRenderer = b.particleRenderer;
m_ParticleRenderer.SetPropertyBlock(props);
var grad = b.particleSystem.colorOverLifetime;
grad.enabled = true;
grad.color = GrassBenderBase.GetGradient(b.strengthOverLifetime);
bool localSpace = b.particleSystem.main.simulationSpace == ParticleSystemSimulationSpace.Local;
//Note: DrawRenderes with particle systems appear to be broken. Only renders to scene cam when it redraws. Bake the mesh down and render it instead.
//Todo: Create repo project and file bug report.
//cmd.DrawRenderer(m_ParticleRenderer, m_Material, 0, 0);
if (!b.bakedMesh)
{
b.bakedMesh = new Mesh();
}
m_ParticleRenderer.BakeMesh(b.bakedMesh, renderingData.cameraData.camera);
cmd.DrawMesh(b.bakedMesh, localSpace ? m_ParticleRenderer.localToWorldMatrix : Matrix4x4.identity, GrassBenderBase.MeshMaterial, 0, b.alphaBlending ? 1 : 0, props);
//Also draw particle trails
if (b.hasParticleTrails)
{
if (!b.particleTrailMesh)
{
b.particleTrailMesh = new Mesh();
}
m_ParticleRenderer.BakeTrailsMesh(b.particleTrailMesh, renderingData.cameraData.camera);
cmd.DrawMesh(b.particleTrailMesh, m_ParticleRenderer.localToWorldMatrix, GrassBenderBase.TrailMaterial, 1, 0, props);
//cmd.DrawRenderer(m_ParticleRenderer, GrassBenderBase.TrailMaterial, 1, 0);
}
}
if (b.benderType == GrassBenderBase.BenderType.Mesh)
{
if (!b.meshRenderer)
{
continue;
}
if (!GeometryUtility.TestPlanesAABB(frustrumPlanes, b.meshRenderer.bounds))
{
continue;
}
m_MeshRenderer = b.meshRenderer;
m_MeshRenderer.SetPropertyBlock(props);
cmd.DrawRenderer(m_MeshRenderer, GrassBenderBase.MeshMaterial, 0, b.alphaBlending ? 1 : 0);
}
}
}
//Mask edges of bend area, avoids streaking at edges
if (enableEdgeMasking)
{
cmd.SetGlobalTexture("_BendMapInput", BuiltinRenderTextureType.CurrentActive);
cmd.Blit(BuiltinRenderTextureType.CurrentActive, bendVectorID, m_MaskMat);
cmd.SetGlobalTexture(StylizedGrassRenderer.VECTOR_MAP_PARAM, bendVectorID);
}
}
context.ExecuteCommandBuffer(cmd);
CommandBufferPool.Release(cmd);
}
public override void OnInspectorGUI()
{
if (StylizedGrassRenderer.Instance == null)
{
EditorGUILayout.HelpBox("No Stylized Grass Renderer is active in the scene", MessageType.Warning);
}
serializedObject.Update();
EditorGUI.BeginChangeCheck();
EditorGUILayout.PropertyField(benderType);
if (benderType.intValue == (int)GrassBenderBase.BenderType.Mesh)
{
using (new EditorGUILayout.HorizontalScope())
{
EditorGUILayout.PropertyField(meshRenderer);
using (new EditorGUI.DisabledGroupScope(bender.meshRenderer ? bender.meshRenderer.gameObject == bender.gameObject : false))
{
if (GUILayout.Button("This", EditorStyles.miniButton, GUILayout.MaxWidth(75f)))
{
MeshRenderer meshRend = bender.GetComponent <MeshRenderer>();
if (meshRend)
{
meshRenderer.objectReferenceValue = meshRend;
}
MeshFilter mf = bender.GetComponent <MeshFilter>();
if (mf)
{
bender.meshFilter = mf;
}
}
}
}
EditorGUILayout.Space();
StylizedGrassGUI.ParameterGroup.DrawHeader(new GUIContent("Mesh"));
using (new EditorGUILayout.VerticalScope(StylizedGrassGUI.ParameterGroup.Section))
{
EditorGUILayout.PropertyField(alphaBlending);
EditorGUILayout.PropertyField(scaleMultiplier);
}
}
if (benderType.intValue == (int)GrassBenderBase.BenderType.Trail)
{
using (new EditorGUILayout.HorizontalScope())
{
EditorGUILayout.PropertyField(trailRenderer);
using (new EditorGUI.DisabledGroupScope(bender.trailRenderer ? bender.trailRenderer.gameObject == bender.gameObject : false))
{
if (GUILayout.Button("This", EditorStyles.miniButton, GUILayout.MaxWidth(75f)))
{
TrailRenderer trailRend = bender.GetComponent <TrailRenderer>();
if (trailRend)
{
trailRenderer.objectReferenceValue = trailRend;
}
}
}
}
EditorGUILayout.Space();
StylizedGrassGUI.ParameterGroup.DrawHeader(new GUIContent("Trail"));
using (new EditorGUILayout.VerticalScope(StylizedGrassGUI.ParameterGroup.Section))
{
EditorGUILayout.PropertyField(trailLifetime);
EditorGUILayout.PropertyField(trailRadius);
EditorGUI.BeginChangeCheck();
EditorGUILayout.PropertyField(strengthOverLifetime);
if (EditorGUI.EndChangeCheck())
{
bender.strengthGradient = GrassBenderBase.GetGradient(bender.strengthOverLifetime);
}
EditorGUILayout.PropertyField(widthOverLifetime);
}
}
if (benderType.intValue == (int)GrassBenderBase.BenderType.ParticleSystem)
{
GrassBenderBase.ValidateParticleSystem(bender);
using (new EditorGUILayout.HorizontalScope())
{
EditorGUILayout.PropertyField(particleSystem);
using (new EditorGUI.DisabledGroupScope(bender.particleSystem ? bender.particleSystem.gameObject == bender.gameObject : false))
{
if (GUILayout.Button("This", EditorStyles.miniButton, GUILayout.MaxWidth(75f)))
{
ParticleSystem ps = bender.GetComponent <ParticleSystem>();
if (ps)
{
particleSystem.objectReferenceValue = ps;
}
}
}
}
EditorGUILayout.Space();
StylizedGrassGUI.ParameterGroup.DrawHeader(new GUIContent("Particle System"));
using (new EditorGUILayout.VerticalScope(StylizedGrassGUI.ParameterGroup.Section))
{
EditorGUILayout.PropertyField(alphaBlending);
EditorGUI.BeginChangeCheck();
EditorGUILayout.PropertyField(strengthOverLifetime);
if (EditorGUI.EndChangeCheck())
{
bender.strengthGradient = GrassBenderBase.GetGradient(bender.strengthOverLifetime);
}
}
}
EditorGUILayout.Space();
StylizedGrassGUI.ParameterGroup.DrawHeader(new GUIContent("Settings"));
using (new EditorGUILayout.VerticalScope(StylizedGrassGUI.ParameterGroup.Section))
{
using (new EditorGUILayout.HorizontalScope())
{
EditorGUILayout.PrefixLabel(new GUIContent("Sorting layer", "Higher sorting layers are drawn on top of lower layers. Use this to control which benders draw over others"));
EditorGUI.BeginChangeCheck();
m_layer = GUILayout.Toolbar(m_layer, new string[] { "0", "1", "2", "3" }, GUILayout.Height(20f));
if (EditorGUI.EndChangeCheck())
{
bender.SwitchLayer(m_layer);
}
m_layer = bender.sortingLayer;
}
EditorGUILayout.PropertyField(heightOffset);
EditorGUILayout.PropertyField(strength);
EditorGUILayout.PropertyField(pushStrength);
}
if (EditorGUI.EndChangeCheck())
{
if (benderType.intValue != m_benderType)
{
bender.SwitchBenderType((GrassBenderBase.BenderType)benderType.intValue);
}
m_benderType = benderType.intValue;
//bender.UpdateTrail();
//bender.UpdateMesh();
serializedObject.ApplyModifiedProperties();
}
//base.OnInspectorGUI();
}
