mirror of
https://github.com/RetroPortingToolKit/psxrecomp
synced 2026-10-26 02:11:36 -04:00
Alex Vanderveen
65 lines
2.2 KiB
C
65 lines
2.2 KiB
C
#ifndef PSX_REWIND_H
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#define PSX_REWIND_H
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/*
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* Local rewind ring + bottom filmstrip overlay (host only).
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*
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* Uses retcomm-rbengine snap_ring + boot_state blobs. Separate from netplay
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* g_snaps. Disabled while psx_netplay_active().
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*
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* Keyboard: F8 (config.ini [KeyMap] Rewind). Controller: View/Back or L3.
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* While open: D-pad / left-stick Left/Right, Cross/A load, Circle/B/Back close.
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*
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* Env: PSX_REWIND=0 disables; PSX_REWIND_INTERVAL (1/4/8/12/15, default 15);
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* PSX_REWIND_FMV_INTERVAL (frames while depth24/MDEC/XA, default 4);
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* PSX_REWIND_DEPTH (50/100/150/200, default 50, max 200).
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* settings.toml [video] rewind_depth / rewind_interval (env still wins).
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*/
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#include <stdint.h>
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#include "cpu_state.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Snap count kept in the local rewind ring. UI values: 25 / 50 / 75 / 100. */
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void psx_rewind_set_depth(uint32_t depth);
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void psx_rewind_set_interval(uint32_t interval);
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void psx_rewind_configure(uint32_t bios_checksum, uint32_t entry_pc);
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void psx_rewind_shutdown(void);
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int psx_rewind_enabled(void);
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int psx_rewind_is_open(void);
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/* 1 while open or slide animation still visible. */
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int psx_rewind_needs_present(void);
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/* Guest vblank: bump frame counter / schedule capture when not paused. */
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void psx_rewind_note_frame(void);
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/* Safe BB-edge (beside savestate_poll): capture due snap / apply load. */
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void psx_rewind_poll(CPUState *cpu, uint32_t resume_pc);
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int psx_rewind_toggle(void); /* open/close; 1 if state changed */
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int psx_rewind_cancel(void); /* close without load */
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int psx_rewind_accept(void); /* stage load of selected snap */
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void psx_rewind_move(int delta); /* -1 / +1 selection */
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/* Edge-triggered nav with repeat. *_down is 1 while held. */
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void psx_rewind_nav_held(int left_down, int right_down, int accept_down,
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int cancel_down, uint32_t now_ms);
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void psx_rewind_present_tick(uint32_t now_ms);
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/* Bottom-panel ARGB8888 (little-endian). Valid until next rewind call. */
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int psx_rewind_overlay_image(const uint32_t **pixels, int *w, int *h);
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/* 0..1 slide (0 = off-screen below, 1 = docked). */
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float psx_rewind_slide(void);
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#ifdef __cplusplus
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}
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#endif
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#endif /* PSX_REWIND_H */
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