From 5b6545b1410e2fa907d12f13d37ef710be654c2a Mon Sep 17 00:00:00 2001 From: german77 Date: Thu, 19 Nov 2020 11:30:52 -0600 Subject: [PATCH] Modify rumble amplification --- src/input_common/gcadapter/gc_poller.cpp | 4 ++-- src/input_common/sdl/sdl_impl.cpp | 3 +-- 2 files changed, 3 insertions(+), 4 deletions(-) diff --git a/src/input_common/gcadapter/gc_poller.cpp b/src/input_common/gcadapter/gc_poller.cpp index fe57c13a54..d95574bb55 100644 --- a/src/input_common/gcadapter/gc_poller.cpp +++ b/src/input_common/gcadapter/gc_poller.cpp @@ -302,8 +302,8 @@ public: bool SetRumblePlay(f32 amp_low, f32 freq_low, f32 amp_high, f32 freq_high) const override { const auto mean_amplitude = (amp_low + amp_high) * 0.5f; - const auto processed_amplitude = static_cast( - pow(mean_amplitude, 0.5f) * (3.0f - 2.0f * pow(mean_amplitude, 0.15f)) * 0x8); + const auto processed_amplitude = + static_cast((mean_amplitude + std::pow(mean_amplitude, 0.3f)) * 0.5f * 0x8); return gcadapter->RumblePlay(port, processed_amplitude); } diff --git a/src/input_common/sdl/sdl_impl.cpp b/src/input_common/sdl/sdl_impl.cpp index 8c48bb861c..c395d96cf6 100644 --- a/src/input_common/sdl/sdl_impl.cpp +++ b/src/input_common/sdl/sdl_impl.cpp @@ -402,8 +402,7 @@ public: bool SetRumblePlay(f32 amp_low, f32 freq_low, f32 amp_high, f32 freq_high) const override { const auto process_amplitude = [](f32 amplitude) { - return static_cast(std::pow(amplitude, 0.5f) * - (3.0f - 2.0f * std::pow(amplitude, 0.15f)) * 0xFFFF); + return static_cast((amplitude + std::pow(amplitude, 0.3f)) * 0.5f * 0xFFFF); }; const auto processed_amp_low = process_amplitude(amp_low);