mirror of
https://github.com/RetroPortingToolKit/psxrecomp
synced 2026-10-26 02:11:36 -04:00
Alex Vanderveen
67 lines
2.2 KiB
C
67 lines
2.2 KiB
C
#ifndef PSX_NETPLAY_INPUT_HIST_H
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#define PSX_NETPLAY_INPUT_HIST_H
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/*
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* Per-slot tick → RNetRbFrame history for MotK rollback invent/contract.
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*
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* Local authority rows: is_predicted = 0.
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* Invent (hold-last) remotes: is_predicted = 1.
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* Late wire promote: replace the row in place (clears predicted).
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*
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* Only available when PSX_HAS_RECOMP_NET is defined (linked recomp-net).
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*/
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#if defined(PSX_HAS_RECOMP_NET)
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#include <stdint.h>
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#include "recomp_net/rollback.h"
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#include "psx_netplay.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define NETPLAY_INPUT_HIST_DEPTH 128u
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#define NETPLAY_INPUT_HIST_MAX_SLOTS 8
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typedef struct NetplayInputHist {
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RNetRbFrame rows[NETPLAY_INPUT_HIST_MAX_SLOTS][NETPLAY_INPUT_HIST_DEPTH];
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int slot_count;
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uint32_t invent_count;
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uint32_t promote_count;
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uint32_t rewind_count;
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} NetplayInputHist;
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void netplay_ih_reset(NetplayInputHist *h, int slot_count);
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/* PsxNetPad ↔ RNetRbFrame (LX/LY only; RX/RY stay on the pad blob path). */
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void netplay_ih_pad_to_frame(const PsxNetPad *pad, uint32_t tick, uint8_t predicted,
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RNetRbFrame *out);
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void netplay_ih_frame_to_pad(const RNetRbFrame *frame, PsxNetPad *pad);
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void netplay_ih_frame_to_contract(const RNetRbFrame *frame, RNetInputContractFrame *out);
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int netplay_ih_put(NetplayInputHist *h, int slot, const RNetRbFrame *frame);
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int netplay_ih_get(const NetplayInputHist *h, int slot, uint32_t tick, RNetRbFrame *out);
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/* Hold-last invent for missing remote at tick. Uses prior valid row for slot,
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* else neutral (buttons 0xFFFF, sticks 0). Marks is_predicted=1 and stores. */
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int netplay_ih_invent_hold_last(NetplayInputHist *h, int slot, uint32_t tick,
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RNetRbFrame *out);
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/* Neutral invent (buttons 0xFFFF). Seal gap-fill only — live MotK admit uses
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* hold-last so a held D-pad does not re-episode every tick. */
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int netplay_ih_invent_idle(NetplayInputHist *h, int slot, uint32_t tick,
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RNetRbFrame *out);
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/* Replace a published predicted/auth row with authoritative wire (promote). */
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int netplay_ih_promote(NetplayInputHist *h, int slot, const RNetRbFrame *wire);
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#ifdef __cplusplus
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}
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#endif
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#endif /* PSX_HAS_RECOMP_NET */
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#endif /* PSX_NETPLAY_INPUT_HIST_H */
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