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Implement cyclic scale opcode

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gamer147
2026-07-29 00:06:56 -04:00
parent f03c9481bf
commit 9b3fc89b72
12 changed files with 179 additions and 22 deletions
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vm-map/opcodes.toml
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@@ -6169,6 +6169,7 @@ source = "investigation"
confidence = "high"
depends_on = []
evidence = "Ghidra /v2: op_0x233_set_scale_cycle@0x423cf0 divides operands 3..5 by 100 and calls gfx_object_set_scale_cycle@0x47efd0. The worker stores start=0 at obj+0x210, period at +0x224, and the target scale matrix at +0x250. gfx_object_anim_interpolate@0x473ed0 samples a triangular phase 2*min(elapsed%period,period-elapsed%period)/period, linearly blends identity to target, and multiplies the result into the separately anchored cyclic-animation product. Corpus: 31 sites in nine scripts, including eight ordinary ADV scenes."
details = "Port status (2026-07-28): implemented as an independent retained-object scale cycle. The compositor samples the exact triangular phase, keeps the channel frame-driven during waits, and composes it after one-shot translation but before the sibling cyclic rotation."
[[opcode.semantics.args]]
i = 1