mirror of
https://github.com/sal063/AC6_recomp
synced 2026-08-23 15:46:54 -04:00
Dipshet
6dc4120790
Guest swap thread blocks on real GPU delivery (NotifyGuestPresent feeds the delivery counter) + an absolute-deadline limiter at ac6_fps_target, not the vblank grid (no sub-harmonic staircase). dt-snap locks the sim delta to the exact target at steady rate (kills the shake). Guest vblank forced to free-run during gameplay so pacing needs zero config. ac6_unlock_fps is the single master switch, ON by default (folded in timing-hooks/vblank-auto/delta-precision/dt-snap-tolerance AND the flight-model framerate-independence fix).
60 lines
2.2 KiB
C++
60 lines
2.2 KiB
C++
#pragma once
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#include <cstdint>
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#include <rex/cvar.h>
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#include <rex/ppc/types.h>
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REXCVAR_DECLARE(bool, ac6_unlock_fps);
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REXCVAR_DECLARE(bool, ac6_cutscene_clamp);
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namespace ac6 {
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struct FrameStats {
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double frame_time_ms{0.0};
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double fps{0.0};
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uint64_t frame_count{0};
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};
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FrameStats GetFrameStats();
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// True while the FPS-unlock timing hooks are remapping the game's cadence
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// (unlock cvars on and no cutscene clamp). The physics force-step rescale keys
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// off this so it stays in lockstep with the frame-delta hooks.
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bool TimingHooksActive();
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// ac6_min_sim_fps clamped to its supported range [10, 30]. Single source for
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// the low-fps floor shared by the frame-delta clamp (ac6DeltaPrecisionHook)
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// and the physics step cap (StepRatio) - the two must saturate at the same
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// framerate or the dynamics desync from the kinematics below 30fps.
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double ClampedMinSimFps();
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// True while an in-engine cutscene (NU::FW::IngameCinematics, driven by
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// CAce6DemoManager::Exec) has ticked within the last decay window. Used by the
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// timing hooks to suspend the 60fps unlock so cutscenes play at native cadence.
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bool IsCinematicActive();
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// Called by the GPU command processor whenever a draw uses the world/effects
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// compositor pixel shader (guest ucode 17e5e4ac3e713245). The compositor runs
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// once per frame whenever the 3D world is being rendered and never in the 2D
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// front-end (menus, hangar), so its freshness is the "gameplay world active"
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// signal for the dynamic FPS pacing.
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void NotifyWorldCompositorDraw();
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// True while a world-compositor draw happened within the last decay window
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// (i.e. the 3D world is being rendered - gameplay or in-engine cutscene, not
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// the 2D front-end). Same signal the dynamic FPS pacing uses.
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bool WorldRenderActiveRecently();
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} // namespace ac6
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bool ac6FlipIntervalHook();
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bool ac6PresentIntervalHook(PPCRegister& r10);
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void ac6DeltaDivisorHook(PPCRegister& r29);
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void ac6DeltaPrecisionHook(PPCRegister& r8, PPCRegister& r10, PPCRegister& r29, PPCRegister& r30);
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void ac6PresentTimingHook(PPCRegister& r31);
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// Fires once per frame from the demo-manager Exec while a cutscene is playing.
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// r3 = the demo-manager `this`; unused (presence-of-call is the signal).
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void ac6CinematicTickHook(PPCRegister& r3);
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