749e8ceeb1
Separate logical ownership, render publication, and GPU retirement across live entities, landblocks, particles, textures, mesh arenas, portal/UI teardown, and per-frame scratch storage. Add bounded DAT/texture caches, upload budgets, three-frame fence retirement, exact-incarnation appearance reconciliation, frame pacing, and extensive lifetime conformance coverage.\n\nThe seven-destination connected route now cuts peak working/private memory roughly in half, returns Caul to 125-153 FPS locally, and produces no WER or AMD reset.\n\nCo-authored-by: OpenAI Codex <codex@openai.com>
36 lines
1.3 KiB
C#
36 lines
1.3 KiB
C#
namespace AcDream.Core.World;
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/// <summary>
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/// Allocates stable, collision-free local ids for dat-authored
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/// <c>LandBlockInfo.Objects</c> and building shells.
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/// </summary>
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/// <remarks>
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/// The top nibble is fixed at <c>0xC</c>. The remaining 28 bits encode the
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/// complete landblock X byte, Y byte, and a 12-bit per-landblock counter:
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/// <c>0xCXXYYIII</c>. The former <c>0xC0XXYYII</c> packing had only eight
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/// counter bits, so a legitimate dense retail landblock aborted after 255
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/// entries and was retried every time it streamed into view.
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/// </remarks>
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public static class LandblockStaticEntityIdAllocator
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{
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public const uint MaxCounter = 0xFFFu;
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public static uint Base(uint landblockX, uint landblockY) =>
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0xC0000000u
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| ((landblockX & 0xFFu) << 20)
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| ((landblockY & 0xFFu) << 12);
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public static uint Allocate(uint landblockX, uint landblockY, ref uint counter)
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{
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if (counter > MaxCounter)
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{
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throw new InvalidDataException(
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$"Landblock ({landblockX & 0xFFu:X2},{landblockY & 0xFFu:X2}) exceeds the 4096-entry static entity id namespace.");
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}
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return Base(landblockX, landblockY) + counter++;
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}
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public static bool IsInNamespace(uint entityId) =>
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(entityId & 0xF0000000u) == 0xC0000000u;
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}
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