Luis Gonzalez
67 lines
3.0 KiB
HLSL
67 lines
3.0 KiB
HLSL
#pragma once
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//#pragma enable_d3d11_debug_symbols
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#include "Packages/com.unity.render-pipelines.core/ShaderLibrary/UnityInstancing.hlsl"
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#include "Packages/com.rukhanka.animation/Rukhanka.Runtime/GPUAnimationEngine/Resources/GPUStructures.hlsl"
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#include "Packages/com.rukhanka.animation/Rukhanka.Runtime/Common/Shaders/ShaderConf.hlsl"
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#include "Packages/com.rukhanka.animation/Rukhanka.Runtime/Common/Shaders/Debug.hlsl"
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/////////////////////////////////////////////////////////////////////////////////
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#if defined(DOTS_INSTANCING_ON)
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UNITY_DOTS_INSTANCING_START(MaterialPropertyMetadata)
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UNITY_DOTS_INSTANCED_PROP(int, _RukhankaGPUBoneIndex)
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UNITY_DOTS_INSTANCED_PROP(float4x4, _RukhankaAttachmentToBoneTransform)
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UNITY_DOTS_INSTANCED_PROP(float4x4, _RukhankaAnimatedEntityLocalToWorld)
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UNITY_DOTS_INSTANCING_END(MaterialPropertyMetadata)
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StructuredBuffer<BoneTransform> boneLocalTransforms;
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StructuredBuffer<BoneTransform> rigSpaceBoneTransformsBuf;
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#endif
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/////////////////////////////////////////////////////////////////////////////////
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void GPUAttachmentMeshMover_float(in float3 vertex, in float3 normal, in float3 tangent, out float3 animatedVertex, out float3 animatedNormal, out float3 animatedTangent)
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{
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#if defined(DOTS_INSTANCING_ON)
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int gpuBoneIndex = UNITY_ACCESS_DOTS_INSTANCED_PROP(int, _RukhankaGPUBoneIndex);
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if (gpuBoneIndex < 0)
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{
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animatedVertex = vertex;
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animatedNormal = normal;
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animatedTangent = tangent;
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return;
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}
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float4x4 attachmentToBoneTransform = UNITY_ACCESS_DOTS_INSTANCED_PROP(float4x4, _RukhankaAttachmentToBoneTransform);
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float4x4 entityRootLocalToWorld = UNITY_ACCESS_DOTS_INSTANCED_PROP(float4x4, _RukhankaAnimatedEntityLocalToWorld);
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animatedVertex = mul(attachmentToBoneTransform, float4(vertex, 1)).xyz;
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CHECK_STRUCTURED_BUFFER_OUT_OF_BOUNDS(RUKHANKADEBUGMARKERS_GPUANIMATOR_GPUATTACHMENT_RIG_SPACE_BONE_TRANSFORMS_READ, gpuBoneIndex, rigSpaceBoneTransformsBuf)
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BoneTransform bt = rigSpaceBoneTransformsBuf[gpuBoneIndex];
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float3 transformedPos = BoneTransform::TransformPoint(bt, animatedVertex);
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animatedVertex = transformedPos;
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animatedVertex = mul(entityRootLocalToWorld, float4(animatedVertex, 1)).xyz;
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animatedVertex = GetCameraRelativePositionWS(animatedVertex);
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animatedVertex = TransformWorldToObject(animatedVertex);
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animatedNormal = mul((float3x3)attachmentToBoneTransform, normal);
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animatedNormal = BoneTransform::TransformDirection(bt, animatedNormal);
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animatedNormal = mul((float3x3)entityRootLocalToWorld, animatedNormal);
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animatedNormal = TransformWorldToObjectDir(animatedNormal);
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animatedTangent = mul((float3x3)attachmentToBoneTransform, tangent);
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animatedTangent = BoneTransform::TransformDirection(bt, animatedTangent);
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animatedTangent = mul((float3x3)entityRootLocalToWorld, animatedTangent);
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animatedTangent = TransformWorldToObjectDir(animatedTangent);
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#else
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animatedVertex = vertex;
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animatedNormal = normal;
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animatedTangent = tangent;
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#endif
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}
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