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 +1,153 @@
+#ifndef TRACK_HLSL_
+#define TRACK_HLSL_
+
+//  Use of potentially uninitialized variable
+#pragma warning (disable: 4000)
+
+/////////////////////////////////////////////////////////////////////////////////
+
+#include "KeyFrame.hlsl"
+
+/////////////////////////////////////////////////////////////////////////////////
+
+#define BINDING_TYPE_UNKNOWN        0
+#define BINDING_TYPE_TRANSLATION    1
+#define BINDING_TYPE_QUATERNION     2
+#define BINDING_TYPE_EULER_ANGLES   3
+#define BINDING_TYPE_HUMAN_MUSCLE   4
+#define BINDING_TYPE_SCALE          5
+
+/////////////////////////////////////////////////////////////////////////////////
+
+struct Track
+{
+    uint props;
+    uint2 keyFrameRange;
+
+    static const uint size = 3 * 4;
+
+/////////////////////////////////////////////////////////////////////////////////
+
+    int GetBindingType()
+    {
+        return props & 0xf;
+    }
+
+/////////////////////////////////////////////////////////////////////////////////
+
+    int GetChannelIndex()
+    {
+        return props >> 4 & 3;
+    }
+
+/////////////////////////////////////////////////////////////////////////////////
+
+    float SampleByBinarySearch(float time, int keyFrameBaseAddress)
+    {
+		uint startIndex = keyFrameRange.x;
+		uint endIndex = keyFrameRange.x + keyFrameRange.y;
+		bool less = true;
+		bool greater = true;
+		KeyFrame frame0 = (KeyFrame)0, frame1 = (KeyFrame)0;
+
+		if (keyFrameRange.y < 3)
+			return SampleByLinearSearch(time, keyFrameBaseAddress);
+
+		while (endIndex - startIndex >= 1 && (less || greater) && endIndex > 1)
+		{
+			int middleIndex = (endIndex + startIndex) / 2;
+			frame1 = KeyFrame::ReadFromRawBuffer(animationClips, keyFrameBaseAddress, middleIndex);
+			frame0 = KeyFrame::ReadFromRawBuffer(animationClips, keyFrameBaseAddress, middleIndex - 1);
+			
+			less = time < frame0.time;
+			greater = time > frame1.time;
+
+			startIndex = greater ? middleIndex + 1 : startIndex;
+			endIndex = less ? middleIndex : endIndex;
+		}
+
+		if (less)
+			return KeyFrame::ReadFromRawBuffer(animationClips, keyFrameBaseAddress, startIndex).v;
+
+		if (greater)
+			return KeyFrame::ReadFromRawBuffer(animationClips, keyFrameBaseAddress, endIndex - 1).v;
+
+		float f = (time - frame0.time) / (frame1.time - frame0.time);
+		return EvaluateBezierCurve(frame0, frame1, f);
+    }
+
+/////////////////////////////////////////////////////////////////////////////////
+
+    float SampleByLinearSearch(float time, int keyFrameBaseAddress)
+    {
+        uint keyFrameRangeEnd = keyFrameRange.x + keyFrameRange.y;
+		for (uint i = keyFrameRange.x; i < keyFrameRangeEnd; ++i)
+		{
+			KeyFrame frame1 = KeyFrame::ReadFromRawBuffer(animationClips, keyFrameBaseAddress, i);
+			if (frame1.time >= time)
+			{
+				if (i == keyFrameRange.x)
+					return frame1.v;
+				KeyFrame frame0 = KeyFrame::ReadFromRawBuffer(animationClips, keyFrameBaseAddress, i - 1);
+
+				float f = (time - frame0.time) / (frame1.time - frame0.time);
+				return EvaluateBezierCurve(frame0, frame1, f);
+			}
+		}
+		return KeyFrame::ReadFromRawBuffer(animationClips, keyFrameBaseAddress, keyFrameRangeEnd - 1).v;
+    }
+
+/////////////////////////////////////////////////////////////////////////////////
+
+    float GetFirstFrameValue(int keyFrameBaseAddress)
+    {
+        KeyFrame f = KeyFrame::ReadFromRawBuffer(animationClips, keyFrameBaseAddress, keyFrameRange.x);
+        return f.v;
+    }
+
+/////////////////////////////////////////////////////////////////////////////////
+
+    float GetLastFrameValue(int keyFrameBaseAddress)
+    {
+        KeyFrame f = KeyFrame::ReadFromRawBuffer(animationClips, keyFrameBaseAddress, keyFrameRange.x + keyFrameRange.y - 1);
+        return f.v;
+    }
+
+/////////////////////////////////////////////////////////////////////////////////
+
+	float EvaluateBezierCurve(KeyFrame f0, KeyFrame f1, float l)
+	{
+		float dt = f1.time - f0.time;
+		float m0 = f0.outTan * dt;
+		float m1 = f1.inTan * dt;
+
+		float t2 = l * l;
+		float t3 = t2 * l;
+
+		float a = 2 * t3 - 3 * t2 + 1;
+		float b = t3 - 2 * t2 + l;
+		float c = t3 - t2;
+		float d = -2 * t3 + 3 * t2;
+
+		float rv = a * f0.v + b * m0 + c * m1 + d * f1.v;
+		return rv;
+	}
+
+/////////////////////////////////////////////////////////////////////////////////
+
+    static Track ReadFromRawBuffer(ByteAddressBuffer b, uint baseAddress, uint index)
+    {
+        uint addr = baseAddress + index * size;
+        Track rv = (Track)0;
+        rv.props = b.Load(addr);
+        rv.keyFrameRange = b.Load2(addr + 4);
+
+        CHECK_RAW_BUFFER_OUT_OF_BOUNDS(RUKHANKADEBUGMARKERS_GPUANIMATOR_TRACK_READ, addr, size, b);
+
+        return rv;
+    }
+};
+
+#endif
+
+