/// <summary>
///
/// </summary>
/// <param name="renderer"></param>
/// <param name="viewProj"></param>
private void SetupSpotLight(VolumetricLightRenderer renderer, Matrix4x4 viewProj)
{
_commandBuffer.Clear();
int pass = 1;
if (!IsCameraInSpotLightBounds())
{
pass = 3;
}
Mesh mesh = VolumetricLightRenderer.GetSpotLightMesh();
float scale = _light.range;
float angleScale = Mathf.Tan((_light.spotAngle + 1) * 0.5f * Mathf.Deg2Rad) * _light.range;
Matrix4x4 world = Matrix4x4.TRS(transform.position, transform.rotation, new Vector3(angleScale, angleScale, scale));
Matrix4x4 view = Matrix4x4.TRS(_light.transform.position, _light.transform.rotation, Vector3.one).inverse;
Matrix4x4 clip = Matrix4x4.TRS(new Vector3(0.5f, 0.5f, 0.0f), Quaternion.identity, new Vector3(-0.5f, -0.5f, 1.0f));
Matrix4x4 proj = Matrix4x4.Perspective(_light.spotAngle, 1, 0, 1);
_material.SetMatrix("_MyLightMatrix0", clip * proj * view);
_material.SetMatrix("_WorldViewProj", viewProj * world);
_material.SetVector("_LightPos", new Vector4(_light.transform.position.x, _light.transform.position.y, _light.transform.position.z, 1.0f / (_light.range * _light.range)));
_material.SetVector("_LightColor", _light.color * _light.intensity);
Vector3 apex = transform.position;
Vector3 axis = transform.forward;
// plane equation ax + by + cz + d = 0; precompute d here to lighten the shader
Vector3 center = apex + axis * _light.range;
float d = -Vector3.Dot(center, axis);
// update material
_material.SetFloat("_PlaneD", d);
_material.SetFloat("_CosAngle", Mathf.Cos((_light.spotAngle + 1) * 0.5f * Mathf.Deg2Rad));
_material.SetVector("_ConeApex", new Vector4(apex.x, apex.y, apex.z));
_material.SetVector("_ConeAxis", new Vector4(axis.x, axis.y, axis.z));
_material.EnableKeyword("SPOT");
if (Noise)
{
_material.EnableKeyword("NOISE");
}
else
{
_material.DisableKeyword("NOISE");
}
if (_light.cookie == null)
{
_material.SetTexture("_LightTexture0", VolumetricLightRenderer.GetDefaultSpotCookie());
}
else
{
_material.SetTexture("_LightTexture0", _light.cookie);
}
bool forceShadowsOff = false;
if ((_light.transform.position - Camera.current.transform.position).magnitude >= QualitySettings.shadowDistance)
{
forceShadowsOff = true;
}
if (_light.shadows != LightShadows.None && forceShadowsOff == false)
{
clip = Matrix4x4.TRS(new Vector3(0.5f, 0.5f, 0.5f), Quaternion.identity, new Vector3(0.5f, 0.5f, 0.5f));
if (_reversedZ)
{
proj = Matrix4x4.Perspective(_light.spotAngle, 1, _light.range, _light.shadowNearPlane);
}
else
{
proj = Matrix4x4.Perspective(_light.spotAngle, 1, _light.shadowNearPlane, _light.range);
}
Matrix4x4 m = clip * proj;
m[0, 2] *= -1;
m[1, 2] *= -1;
m[2, 2] *= -1;
m[3, 2] *= -1;
//view = _light.transform.worldToLocalMatrix;
_material.SetMatrix("_MyWorld2Shadow", m * view);
_material.SetMatrix("_WorldView", m * view);
_material.EnableKeyword("SHADOWS_DEPTH");
_commandBuffer.SetGlobalTexture("_ShadowMapTexture", BuiltinRenderTextureType.CurrentActive);
_commandBuffer.SetRenderTarget(renderer.GetVolumeLightBuffer());
_commandBuffer.DrawMesh(mesh, world, _material, 0, pass);
if (CustomRenderEvent != null)
{
CustomRenderEvent(renderer, this, _commandBuffer, viewProj);
}
}
else
{
_material.DisableKeyword("SHADOWS_DEPTH");
renderer.GlobalCommandBuffer.DrawMesh(mesh, world, _material, 0, pass);
if (CustomRenderEvent != null)
{
CustomRenderEvent(renderer, this, renderer.GlobalCommandBuffer, viewProj);
}
}
}
private void VolumetricLightRenderer_PreRenderEvent(VolumetricLightRenderer renderer, Matrix4x4 VP)
{
if (_light == null || _light.gameObject == null)
{
VolumetricLightRenderer.PreRenderEvent -= VolumetricLightRenderer_PreRenderEvent;
}
if (!_light.gameObject.activeInHierarchy || _light.enabled == false)
{
return;
}
_material.SetVector("_CameraForward", Camera.current.transform.forward);
_material.SetInt("_SampleCount", SampleCount);
_material.SetVector("_NoiseVelocity", new Vector4(NoiseVelocity.x, NoiseVelocity.y) * NoiseScale);
_material.SetVector("_NoiseData", new Vector4(NoiseScale, NoiseIntensity, NoiseIntensityOffset));
_material.SetVector("_MieG", new Vector4(1 - (MieG * MieG), 1 + (MieG * MieG), 2 * MieG, 1.0f / (4.0f * Mathf.PI)));
_material.SetVector("_VolumetricLight", new Vector4(ScatteringCoef, ExtinctionCoef, _light.range, 1.0f - SkyboxExtinctionCoef));
_material.SetTexture("_CameraDepthTexture", null);
_material.SetFloat("_ZTest", (int)UnityEngine.Rendering.CompareFunction.Always);
if (HeightFog)
{
_material.EnableKeyword("HEIGHT_FOG");
_material.SetVector("_HeightFog", new Vector4(GroundLevel, HeightScale));
}
else
{
_material.DisableKeyword("HEIGHT_FOG");
}
_commandBuffer.Clear();
int pass = 0;
if (!IsCameraInSpotLightBounds()) //离相机太远或者角度很偏时
{
pass = 1;
}
Mesh mesh = VolumetricLightRenderer.GetSpotLightMesh();
//Spot mesh随着range变化缩放
//长度确定为_light.range 宽度由_light.spotAngle决定
float scale = _light.range;
float angleScale = Mathf.Tan((_light.spotAngle + 1) * 0.5f * Mathf.Deg2Rad) * _light.range;
Matrix4x4 world = Matrix4x4.TRS(transform.position, transform.rotation, new Vector3(angleScale, angleScale, scale));
Matrix4x4 view = Matrix4x4.TRS(_light.transform.position, _light.transform.rotation, Vector3.one).inverse;
Matrix4x4 clip = Matrix4x4.TRS(new Vector3(0.5f, 0.5f, 0.0f), Quaternion.identity, new Vector3(-0.5f, -0.5f, 1.0f));
//圆形投影区aspect为1
Matrix4x4 proj = Matrix4x4.Perspective(_light.spotAngle, 1, 0, 1);
_material.SetMatrix("_MyLightMatrix0", clip * proj * view);
_material.SetMatrix("_WorldViewProj", VP * world);
_material.SetVector("_LightPos", new Vector4(_light.transform.position.x, _light.transform.position.y, _light.transform.position.z, 1.0f / (_light.range * _light.range)));
_material.SetVector("_LightColor", _light.color * _light.intensity);
Vector3 apex = transform.position;
Vector3 axis = transform.forward;
// plane equation ax + by + cz + d = 0; precompute d here to lighten the shader
Vector3 center = apex + axis * _light.range;
float d = -Vector3.Dot(center, axis);
// update material
_material.SetFloat("_PlaneD", d);
_material.SetFloat("_CosAngle", Mathf.Cos((_light.spotAngle + 1) * 0.5f * Mathf.Deg2Rad));
_material.SetVector("_ConeApex", new Vector4(apex.x, apex.y, apex.z));
_material.SetVector("_ConeAxis", new Vector4(axis.x, axis.y, axis.z));
_material.EnableKeyword("SPOT");
if (Noise)
{
_material.EnableKeyword("NOISE");
}
else
{
_material.DisableKeyword("NOISE");
}
if (_light.cookie == null)
{
_material.SetTexture("_LightTexture0", VolumetricLightRenderer.GetDefaultSpotCookie());
}
else
{
_material.SetTexture("_LightTexture0", _light.cookie);
}
clip = Matrix4x4.TRS(new Vector3(0.5f, 0.5f, 0.5f), Quaternion.identity, new Vector3(0.5f, 0.5f, 0.5f));
if (_reversedZ)
{
proj = Matrix4x4.Perspective(_light.spotAngle, 1, _light.range, _light.shadowNearPlane);
}
else
{
proj = Matrix4x4.Perspective(_light.spotAngle, 1, _light.shadowNearPlane, _light.range);
}
Matrix4x4 m = clip * proj;
m[0, 2] *= -1;
m[1, 2] *= -1;
m[2, 2] *= -1;
m[3, 2] *= -1;
//view = _light.transform.worldToLocalMatrix;
_material.SetMatrix("_MyWorld2Shadow", m * view);
_material.SetMatrix("_WorldView", m * view);
_material.EnableKeyword("SHADOWS_DEPTH");
_commandBuffer.SetGlobalTexture("_ShadowMapTexture", BuiltinRenderTextureType.CurrentActive);
_commandBuffer.SetRenderTarget(renderer.GetVolumeLightBuffer());
_commandBuffer.DrawMesh(mesh, world, _material, 0, pass);
}
private void SetupSpotLight(VolumetricLightRenderer renderer, Matrix4x4 viewProj)
{
this._commandBuffer.Clear();
int num1 = 1;
if (!this.IsCameraInSpotLightBounds())
{
num1 = 3;
}
Mesh spotLightMesh = VolumetricLightRenderer.GetSpotLightMesh();
float range = this._light.get_range();
float num2 = Mathf.Tan((float)(((double)this._light.get_spotAngle() + 1.0) * 0.5 * (Math.PI / 180.0))) * this._light.get_range();
Matrix4x4 matrix4x4_1 = Matrix4x4.TRS(((Component)this).get_transform().get_position(), ((Component)this).get_transform().get_rotation(), new Vector3(num2, num2, range));
Matrix4x4 matrix4x4_2 = Matrix4x4.TRS(((Component)this._light).get_transform().get_position(), ((Component)this._light).get_transform().get_rotation(), Vector3.get_one());
Matrix4x4 inverse = ((Matrix4x4) ref matrix4x4_2).get_inverse();
this._material.SetMatrix("_MyLightMatrix0", Matrix4x4.op_Multiply(Matrix4x4.op_Multiply(Matrix4x4.TRS(new Vector3(0.5f, 0.5f, 0.0f), Quaternion.get_identity(), new Vector3(-0.5f, -0.5f, 1f)), Matrix4x4.Perspective(this._light.get_spotAngle(), 1f, 0.0f, 1f)), inverse));
this._material.SetMatrix("_WorldViewProj", Matrix4x4.op_Multiply(viewProj, matrix4x4_1));
this._material.SetVector("_LightPos", new Vector4((float)((Component)this._light).get_transform().get_position().x, (float)((Component)this._light).get_transform().get_position().y, (float)((Component)this._light).get_transform().get_position().z, (float)(1.0 / ((double)this._light.get_range() * (double)this._light.get_range()))));
this._material.SetVector("_LightColor", Color.op_Implicit(Color.op_Multiply(this._light.get_color(), this._light.get_intensity())));
Vector3 position = ((Component)this).get_transform().get_position();
Vector3 forward = ((Component)this).get_transform().get_forward();
this._material.SetFloat("_PlaneD", -Vector3.Dot(Vector3.op_Addition(position, Vector3.op_Multiply(forward, this._light.get_range())), forward));
this._material.SetFloat("_CosAngle", Mathf.Cos((float)(((double)this._light.get_spotAngle() + 1.0) * 0.5 * (Math.PI / 180.0))));
this._material.SetVector("_ConeApex", new Vector4((float)position.x, (float)position.y, (float)position.z));
this._material.SetVector("_ConeAxis", new Vector4((float)forward.x, (float)forward.y, (float)forward.z));
this._material.EnableKeyword("SPOT");
if (this.Noise)
{
this._material.EnableKeyword("NOISE");
}
else
{
this._material.DisableKeyword("NOISE");
}
if (Object.op_Equality((Object)this._light.get_cookie(), (Object)null))
{
this._material.SetTexture("_LightTexture0", VolumetricLightRenderer.GetDefaultSpotCookie());
}
else
{
this._material.SetTexture("_LightTexture0", this._light.get_cookie());
}
bool flag = false;
Vector3 vector3 = Vector3.op_Subtraction(((Component)this._light).get_transform().get_position(), ((Component)Camera.get_current()).get_transform().get_position());
if ((double)((Vector3) ref vector3).get_magnitude() >= (double)QualitySettings.get_shadowDistance())
{
flag = true;
}
if (this._light.get_shadows() != null && !flag)
{
Matrix4x4 matrix4x4_3 = Matrix4x4.op_Multiply(Matrix4x4.TRS(new Vector3(0.5f, 0.5f, 0.5f), Quaternion.get_identity(), new Vector3(0.5f, 0.5f, 0.5f)), !this._reversedZ ? Matrix4x4.Perspective(this._light.get_spotAngle(), 1f, this._light.get_shadowNearPlane(), this._light.get_range()) : Matrix4x4.Perspective(this._light.get_spotAngle(), 1f, this._light.get_range(), this._light.get_shadowNearPlane()));
// ISSUE: variable of a reference type
Matrix4x4& local1;
((Matrix4x4)(local1 = ref matrix4x4_3)).set_Item(0, 2, ((Matrix4x4) ref local1).get_Item(0, 2) * -1f);
// ISSUE: variable of a reference type
Matrix4x4& local2;
((Matrix4x4)(local2 = ref matrix4x4_3)).set_Item(1, 2, ((Matrix4x4) ref local2).get_Item(1, 2) * -1f);
// ISSUE: variable of a reference type
Matrix4x4& local3;
((Matrix4x4)(local3 = ref matrix4x4_3)).set_Item(2, 2, ((Matrix4x4) ref local3).get_Item(2, 2) * -1f);
// ISSUE: variable of a reference type
Matrix4x4& local4;
((Matrix4x4)(local4 = ref matrix4x4_3)).set_Item(3, 2, ((Matrix4x4) ref local4).get_Item(3, 2) * -1f);
this._material.SetMatrix("_MyWorld2Shadow", Matrix4x4.op_Multiply(matrix4x4_3, inverse));
this._material.SetMatrix("_WorldView", Matrix4x4.op_Multiply(matrix4x4_3, inverse));
this._material.EnableKeyword("SHADOWS_DEPTH");
this._commandBuffer.SetGlobalTexture("_ShadowMapTexture", RenderTargetIdentifier.op_Implicit((BuiltinRenderTextureType)1));
this._commandBuffer.SetRenderTarget(RenderTargetIdentifier.op_Implicit((Texture)renderer.GetVolumeLightBuffer()));
this._commandBuffer.DrawMesh(spotLightMesh, matrix4x4_1, this._material, 0, num1);
if (this.CustomRenderEvent == null)
{
return;
}
this.CustomRenderEvent(renderer, this, this._commandBuffer, viewProj);
}
else
{
this._material.DisableKeyword("SHADOWS_DEPTH");
renderer.GlobalCommandBuffer.DrawMesh(spotLightMesh, matrix4x4_1, this._material, 0, num1);
if (this.CustomRenderEvent == null)
{
return;
}
this.CustomRenderEvent(renderer, this, renderer.GlobalCommandBuffer, viewProj);
}
}
private void SetupSpotLight(VolumetricLightRenderer renderer, Matrix4x4 viewProj)
{
int shaderPass = 1;
if (!this.IsCameraInSpotLightBounds())
{
shaderPass = 3;
}
Mesh spotLightMesh = VolumetricLightRenderer.GetSpotLightMesh();
float range = this._light.range;
float num = Mathf.Tan((this._light.spotAngle + 1f) * 0.5f * 0.0174532924f) * this._light.range;
Matrix4x4 matrix4x = Matrix4x4.TRS(base.transform.position, base.transform.rotation, new Vector3(num, num, range));
Matrix4x4 inverse = Matrix4x4.TRS(this._light.transform.position, this._light.transform.rotation, Vector3.one).inverse;
Matrix4x4 lhs = Matrix4x4.TRS(new Vector3(0.5f, 0.5f, 0f), Quaternion.identity, new Vector3(-0.5f, -0.5f, 1f));
Matrix4x4 rhs = Matrix4x4.Perspective(this._light.spotAngle, 1f, 0f, 1f);
this._material.SetMatrix("_MyLightMatrix0", lhs * rhs * inverse);
this._material.SetMatrix("_WorldViewProj", viewProj * matrix4x);
this._material.SetVector("_LightPos", new Vector4(this._light.transform.position.x, this._light.transform.position.y, this._light.transform.position.z, 1f / (this._light.range * this._light.range)));
this._material.SetVector("_LightColor", this._light.color * this._light.intensity);
Vector3 position = base.transform.position;
Vector3 forward = base.transform.forward;
Vector3 lhs2 = position + forward * this._light.range;
float value = -Vector3.Dot(lhs2, forward);
this._material.SetFloat("_PlaneD", value);
this._material.SetFloat("_CosAngle", Mathf.Cos((this._light.spotAngle + 1f) * 0.5f * 0.0174532924f));
this._material.SetVector("_ConeApex", new Vector4(position.x, position.y, position.z));
this._material.SetVector("_ConeAxis", new Vector4(forward.x, forward.y, forward.z));
this._material.EnableKeyword("SPOT");
if (this.Noise)
{
this._material.EnableKeyword("NOISE");
}
else
{
this._material.DisableKeyword("NOISE");
}
if (this._light.cookie == null)
{
this._material.SetTexture("_LightTexture0", VolumetricLightRenderer.GetDefaultSpotCookie());
}
else
{
this._material.SetTexture("_LightTexture0", this._light.cookie);
}
bool flag = false;
if ((this._light.transform.position - Camera.current.transform.position).magnitude >= QualitySettings.shadowDistance)
{
flag = true;
}
if (this._light.shadows != LightShadows.None && !flag)
{
lhs = Matrix4x4.TRS(new Vector3(0.5f, 0.5f, 0.5f), Quaternion.identity, new Vector3(0.5f, 0.5f, 0.5f));
if (this._reversedZ)
{
rhs = Matrix4x4.Perspective(this._light.spotAngle, 1f, this._light.range, this._light.shadowNearPlane);
}
else
{
rhs = Matrix4x4.Perspective(this._light.spotAngle, 1f, this._light.shadowNearPlane, this._light.range);
}
Matrix4x4 lhs3 = lhs * rhs;
lhs3[0, 2] = lhs3[0, 2] * -1f;
lhs3[1, 2] = lhs3[1, 2] * -1f;
lhs3[2, 2] = lhs3[2, 2] * -1f;
lhs3[3, 2] = lhs3[3, 2] * -1f;
this._material.SetMatrix("_MyWorld2Shadow", lhs3 * inverse);
this._material.SetMatrix("_WorldView", lhs3 * inverse);
this._material.EnableKeyword("SHADOWS_DEPTH");
this._commandBuffer.SetGlobalTexture("_ShadowMapTexture", BuiltinRenderTextureType.CurrentActive);
this._commandBuffer.SetRenderTarget(renderer.GetVolumeLightBuffer());
this._commandBuffer.DrawMesh(spotLightMesh, matrix4x, this._material, 0, shaderPass);
if (this.CustomRenderEvent != null)
{
this.CustomRenderEvent(renderer, this, this._commandBuffer, viewProj);
}
}
else
{
this._material.DisableKeyword("SHADOWS_DEPTH");
renderer.GlobalCommandBuffer.DrawMesh(spotLightMesh, matrix4x, this._material, 0, shaderPass);
if (this.CustomRenderEvent != null)
{
this.CustomRenderEvent(renderer, this, renderer.GlobalCommandBuffer, viewProj);
}
}
}
