//-------------------------------------------------------------------------------------
//
//-------------------------------------------------------------------------------------
private void Init()
{
_geometry = new Mesh();
_buffer = new CommandBuffer();
_camera = GetComponent <Camera>();
_shadowMapInitialTexture = new RenderTexture((int)_lightmapResolution, (int)_maxShadowCastingLights, 0, RenderTextureFormat.RFloat);
_shadowMapFinalTexture = new RenderTexture((int)_lightmapResolution, (int)_maxShadowCastingLights, 0, RenderTextureFormat.RFloat);
_material = new Material(Shader.Find("Soraphis/RTLM/Mapping"));
GeometryCollector.CollectStatic(_geometry, _staticData);
}
private void Init()
{
if (!_updated) // static init:
{
_geometry = new Mesh();
GeometryCollector.CollectStatic(_geometry, StaticData);
_updated = true;
}
_material = new Material(_shader);
_lightMesh = new Mesh();
_lightMesh.MarkDynamic();
}
//-------------------------------------------------------------------------------------
//
//-------------------------------------------------------------------------------------
private void StaticUpdate()
{
if (_updated)
{
return;
}
if (!Application.isPlaying && _geometry == null)
{
Init();
}
if (!Application.isPlaying)
{
GeometryCollector.CollectStatic(_geometry, StaticData);
}
GeometryCollector.CollectDynamic(_geometry, StaticData);
_updated = true;
}
private void LateUpdate()
{
if (!Application.isPlaying && _geometry == null)
{
Init(); // possible in EditMode
}
if (!Application.isPlaying)
{
GeometryCollector.CollectStatic(_geometry, _staticData);
}
GeometryCollector.CollectDynamic(_geometry, _staticData);
_buffer.Clear();
_buffer.SetRenderTarget(_shadowMapInitialTexture);
_buffer.ClearRenderTarget(true, true, Color.white, 0f);
int slot = 0;
foreach (var light2D in Light2D_LM.Lights)
{
var properties = light2D.GetMaterialProperties(slot, (int)_maxShadowCastingLights, _shadowMapFinalTexture);
int shaderPass = light2D.LightType == Light2D.Light2DType.Line ? 2 : 0;
_buffer.DrawMesh(_geometry, Matrix4x4.identity, _material, 0, shaderPass, properties);
++slot;
if (slot >= (int)_maxShadowCastingLights)
{
break;
}
}
_buffer.SetRenderTarget(_shadowMapFinalTexture);
_buffer.ClearRenderTarget(true, true, Color.white, 1.0f);
_buffer.SetGlobalTexture("_MainTex", _shadowMapInitialTexture);
_buffer.Blit(_shadowMapInitialTexture, _shadowMapFinalTexture, _material, 1);
_buffer.SetGlobalTexture("_ShadowTex", _shadowMapFinalTexture);
//if(!Application.isPlaying)
Graphics.ExecuteCommandBuffer(_buffer);
}
private void RenderShadows(ScriptableRenderContext context)
{
GeometryCollector.CollectDynamic(GeometryMesh, _staticData);
if (_shadowMapInitialTexture == null)
{
Init(); // may happen in scene switches
}
_shadowbuffer.Clear();
context.ExecuteCommandBuffer(_shadowbuffer);
_shadowbuffer.SetRenderTarget(_shadowMapInitialTexture);
_shadowbuffer.ClearRenderTarget(false, true, Color.white);
context.ExecuteCommandBuffer(_shadowbuffer);
/*CoreUtils.SetRenderTarget(_shadowbuffer, _ShadowMapInitialTexture,
* RenderBufferLoadAction.DontCare, RenderBufferStoreAction.Store,
* ClearFlag.All, Color.white);*/
//using (new ProfilingSample(_shadowbuffer, "Mapping Shadows")) {
int slot = 0;
int maxSlots = Mathf.Min(_shadowMapInitialTexture.height, _maxLightSources);
foreach (var light in Light2D_Pipeline.Lights)
{
if (!light.IsLightVisible())
{
continue;
}
_shadowMapParams[slot] = GetShadowMapParams(slot, maxSlots);
_shadowPropertyBlock.Clear();
_shadowPropertyBlock.SetVector(LightAttenuation, _visibleLightAttenuations[slot]);
_shadowPropertyBlock.SetVector(ShadowMapParams, _shadowMapParams[slot]);
_shadowPropertyBlock.SetVector(LightPosition, light.LightData());
_shadowbuffer.DrawMesh(GeometryMesh, Matrix4x4.identity, _shadowMaterial, 0, 0, _shadowPropertyBlock);
++slot;
if (slot >= maxSlots)
{
break;
}
}
_shadowbuffer.SetGlobalVectorArray(ShadowMapParamId, _shadowMapParams);
context.ExecuteCommandBuffer(_shadowbuffer);
_shadowbuffer.Clear();
//}
context.ExecuteCommandBuffer(_shadowbuffer);
//using (new ProfilingSample(_shadowbuffer, "Refit Shadowmap"))
//{
_shadowbuffer.SetRenderTarget(_shadowMapFinalTexture);
_shadowbuffer.ClearRenderTarget(true, true, Color.white, 1.0f);
context.ExecuteCommandBuffer(_shadowbuffer);
_shadowbuffer.Clear();
_shadowbuffer.SetGlobalTexture("_MainTex", _shadowMapInitialTexture); // fixes a weird behaviour in Unity with the blit function on command buffers
_shadowbuffer.Blit(_shadowMapInitialTexture, _shadowMapFinalTexture, _shadowMaterial, 1);
context.ExecuteCommandBuffer(_shadowbuffer);
_shadowbuffer.Clear();
//}
context.ExecuteCommandBuffer(_shadowbuffer);
}
