port from perforce

2026-04-18 22:31:51 +02:00
commit 8d0ab5b7cc
8409 changed files with 3972376 additions and 0 deletions
--- a/aquarium/src/intro/framework/sync.h
+++ b/aquarium/src/intro/framework/sync.h
@@ -0,0 +1,90 @@
+#pragma once
+
+#pragma bss_seg(".syncbss")
+static ID3D11Buffer* SyncBuffer;
+static SyncStruct_audio* Sync;
+
+#pragma data_seg(".syncBufferDesc")
+static D3D11_BUFFER_DESC syncBufferDesc =
+{
+	sizeof(SyncStruct_audio),
+	D3D11_USAGE_DEFAULT,
+	D3D11_BIND_CONSTANT_BUFFER,
+	0,
+	0,
+	0
+};
+
+#pragma code_seg(".SyncInit")
+INLINE void SyncInit()
+{
+	device->CreateBuffer(&syncBufferDesc, nullptr, &SyncBuffer);
+	Sync = (SyncStruct_audio*)(syncDataAudio + 1);
+}
+
+#pragma code_seg(".SyncUpdate")
+INLINE void SyncUpdate(float t)
+{
+	auto fRow = (t * SOUND_TICKS_PER_SCENE);
+	auto iChannelCount = syncDataAudio[0];
+	auto pTarget = (float*)&syncDataAudio[1];
+	auto pChannels = (char*)(pTarget + iChannelCount);
+	for (int iChannel = 0; iChannel < iChannelCount; ++iChannel)
+	{
+		auto iValueCount = *(unsigned short*)(pChannels);
+		auto pChannelRows = (unsigned short*)(pChannels + 2);
+		auto pChannelModes = (char*)(pChannelRows + iValueCount);
+		auto pChannelValues = (float*)(pChannelModes + iValueCount);
+		pChannels = (char*)(pChannelValues + iValueCount);
+		for (int iIndex = 0; iIndex < iValueCount;)
+		{
+			int iRow = pChannelRows[iIndex];
+			int iNextRow = pChannelRows[iIndex + 1];
+			if (iRow <= fRow && iNextRow + 1 > fRow)
+			{
+				float t = (fRow - iRow) / (iNextRow - iRow + 1);
+				switch (pChannelModes[iIndex])
+				{
+				case 0: // Step
+					t = 0.0f;
+					break;
+				case 1: // Linear
+					break;
+				case 2: // Cubic
+					t *= t * (3 - 2 * t);
+					break;
+				case 3: // EaseIn
+					t *= t;
+					break;
+				case 4: // EaseOut
+					t *= -t + 2;
+					break;
+				}
+				pTarget[iChannel] = (1 - t) * pChannelValues[iIndex] + t * pChannelValues[iIndex + 1];
+				break;
+			}
+			else
+			{
+				if (pChannelModes[iIndex] != 0)
+					++iIndex;
+
+				pTarget[iChannel] = pChannelValues[iIndex];
+
+				++iIndex;
+			}
+		}
+	}
+
+#ifdef AUTHORING
+	Sync = (SyncStruct_audio*)pTarget;
+	if (SyncBuffer != NULL)
+		SyncBuffer->Release();
+
+	syncBufferDesc.ByteWidth = iChannelCount * sizeof(float);
+	device->CreateBuffer(&syncBufferDesc, nullptr, &SyncBuffer);
+
+	if (iChannelCount != 0)
+#endif
+
+	context->UpdateSubresource(SyncBuffer, 0, NULL, pTarget, iChannelCount * sizeof(float), sizeof(float));
+}