Netcode Bootstrap

2026-05-31 14:27:52 -07:00
parent 99d8d2d2a9
commit 7fa77ce821
1813 changed files with 2921554 additions and 84 deletions
@@ -0,0 +1,100 @@
+#ifndef RUKHANKA_BONE_RENDERER_HLSL_
+#define RUKHANKA_BONE_RENDERER_HLSL_
+
+#include "Packages/com.unity.render-pipelines.core/ShaderLibrary/Common.hlsl"
+#include "RukhankaDebugDrawerCommon.hlsl"
+
+/////////////////////////////////////////////////////////////////////////////////
+
+struct VertexInput
+{
+	float3 pos: POSITION;
+	uint vertexID: SV_VertexID;
+	uint instanceID: SV_InstanceID;
+};
+
+struct VertexToPixel
+{
+	float4 pos: SV_Position;
+	float4 color: COLOR0;
+};
+
+struct BoneData
+{
+	float3 pos0, pos1;
+	uint colorTri, colorLines;
+};
+
+StructuredBuffer<BoneData> boneDataBuf;
+float4x4 unity_MatrixVP;
+
+/////////////////////////////////////////////////////////////////////////////////
+
+float3 GetStableTangent(float3 v)
+{
+	float3 aV = abs(v);
+	float3 rv = float3(-v.y, v.z, 0);
+
+	if (aV.x <= aV.y && aV.x <= aV.z)		rv = float3(0, -v.z, v.y);
+	else if (aV.y <= aV.y && aV.y <= aV.z)	rv = float3(-v.z, 0, v.x);
+
+	return rv;
+}
+
+/////////////////////////////////////////////////////////////////////////////////
+
+float3 ComputeVertexWorldPos(BoneData bd, float3 vertexPos, int vertexID)
+{
+	float3 worldPos = 0;
+
+	switch (vertexID)
+	{
+		case 0: worldPos = bd.pos0; break;
+		case 5: worldPos = bd.pos1; break;
+		default:
+		{
+			float3 boneVec = bd.pos0 - bd.pos1;
+			float l = length(boneVec);
+			if (l != 0)
+			{
+				float3 boneVecNrm = boneVec / l;
+				float3 tangent = GetStableTangent(boneVecNrm);
+				float3 t = normalize(cross(boneVecNrm, tangent));
+				float3 n = normalize(cross(boneVecNrm, t));
+
+				float3 offsetVec = t * vertexPos.x - n * vertexPos.z;
+				worldPos = bd.pos1 + boneVec * 0.3f + offsetVec * l;
+			}
+		}
+		break;
+	}
+    return worldPos;
+}
+
+/////////////////////////////////////////////////////////////////////////////////
+
+VertexToPixel VS(VertexInput i)
+{
+	VertexToPixel o = (VertexToPixel)0;
+	BoneData bd = boneDataBuf[i.instanceID];
+
+	float3 worldPos = ComputeVertexWorldPos(bd, i.pos, i.vertexID);
+
+	worldPos = GetCameraRelativePositionWS(worldPos);
+	o.pos = mul(unity_MatrixVP, float4(worldPos, 1));
+#ifdef BONE_OUTLINE
+	o.color = UnpackColor(bd.colorLines);
+#else
+	o.color = UnpackColor(bd.colorTri);
+#endif
+	return o;
+}
+
+/////////////////////////////////////////////////////////////////////////////////
+
+float4 PS(VertexToPixel i): SV_Target0
+{
+	return i.color;
+}
+
+#endif