diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/Makefile.am | 2 | ||||
| -rw-r--r-- | src/inputprocessor.cc | 2 | ||||
| -rw-r--r-- | src/positionfilter.cc | 48 | ||||
| -rw-r--r-- | src/positionfilter.h | 52 | ||||
| -rw-r--r-- | src/settings.h | 6 |
5 files changed, 110 insertions, 0 deletions
diff --git a/src/Makefile.am b/src/Makefile.am index a8bdb59..31ce8da 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -76,6 +76,7 @@ libdg_la_SOURCES = \ $(top_srcdir)/src/staminafilter.cc \ $(top_srcdir)/src/thread.cc \ $(top_srcdir)/src/velocityfilter.cc \ + $(top_srcdir)/src/positionfilter.cc \ $(top_srcdir)/src/versionstr.cc EXTRA_DIST = \ @@ -140,6 +141,7 @@ EXTRA_DIST = \ thread.h \ translation.h \ velocityfilter.h \ + positionfilter.h \ versionstr.h \ zrwrapper.h diff --git a/src/inputprocessor.cc b/src/inputprocessor.cc index deae8ad..fa3498c 100644 --- a/src/inputprocessor.cc +++ b/src/inputprocessor.cc @@ -36,6 +36,7 @@ #include "powermapfilter.h" #include "staminafilter.h" #include "velocityfilter.h" +#include "positionfilter.h" #include "cpp11fix.h" @@ -93,6 +94,7 @@ InputProcessor::InputProcessor(Settings& settings, filters.emplace_back(std::make_unique<StaminaFilter>(settings)); filters.emplace_back(std::make_unique<LatencyFilter>(settings, random)); filters.emplace_back(std::make_unique<VelocityFilter>(settings, random)); + filters.emplace_back(std::make_unique<PositionFilter>(settings, random)); filters.emplace_back(std::make_unique<Reporter>(settings, original_velocity)); } diff --git a/src/positionfilter.cc b/src/positionfilter.cc new file mode 100644 index 0000000..8d2f987 --- /dev/null +++ b/src/positionfilter.cc @@ -0,0 +1,48 @@ +/* -*- Mode: c++ -*- */ +/*************************************************************************** + * positionfilter.cc + * + * Sat 13 Feb 2021 12:46:41 CET + * Copyright 2019 André Nusser + * andre.nusser@googlemail.com + ****************************************************************************/ + +/* + * This file is part of DrumGizmo. + * + * DrumGizmo is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * DrumGizmo is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with DrumGizmo; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ +#include "positionfilter.h" + +#include "random.h" +#include "settings.h" + +PositionFilter::PositionFilter(Settings& settings, Random& random) + : settings(settings), random(random) +{ +} + +bool PositionFilter::filter(event_t& event, size_t pos) +{ + if (settings.enable_velocity_modifier.load()) + { + float mean = event.position; + float stddev = settings.position_stddev.load(); + // the 30.0f were determined empirically + event.position = random.normalDistribution(mean, stddev / 30.0f); // FIXME: right magic value? + } + + return true; +} diff --git a/src/positionfilter.h b/src/positionfilter.h new file mode 100644 index 0000000..ac989f6 --- /dev/null +++ b/src/positionfilter.h @@ -0,0 +1,52 @@ +/* -*- Mode: c++ -*- */ +/*************************************************************************** + * positionfilter.h + * + * Sat 13 Feb 2021 12:46:41 CET + * Copyright 2019 André Nusser + * andre.nusser@googlemail.com + ****************************************************************************/ + +/* + * This file is part of DrumGizmo. + * + * DrumGizmo is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * DrumGizmo is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with DrumGizmo; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ +#pragma once + +#include <cstddef> +#include <map> +#include <utility> + +#include "inputfilter.h" +#include "instrument.h" + +struct Settings; +class Random; + +class PositionFilter + : public InputFilter +{ +public: + PositionFilter(Settings& settings, Random& random); + + bool filter(event_t& event, std::size_t pos) override; + + // Note getLatency not overloaded because this filter doesn't add latency. + +private: + Settings& settings; + Random& random; +}; diff --git a/src/settings.h b/src/settings.h index a423ae3..5c2e4ee 100644 --- a/src/settings.h +++ b/src/settings.h @@ -76,6 +76,7 @@ struct Settings static float constexpr velocity_modifier_falloff_default = 0.5f; static float constexpr velocity_modifier_weight_default = 0.25f; static float constexpr velocity_stddev_default = .45f; + static float constexpr position_stddev_default = 0.f; // FIXME: set to something sensible static float constexpr sample_selection_f_close_default = .85f; static float constexpr sample_selection_f_position_default = 1.f; static float constexpr sample_selection_f_diverse_default = .16f; @@ -83,6 +84,7 @@ struct Settings Atomic<float> velocity_modifier_falloff{velocity_modifier_falloff_default}; Atomic<float> velocity_modifier_weight{velocity_modifier_weight_default}; Atomic<float> velocity_stddev{velocity_stddev_default}; + Atomic<float> position_stddev{position_stddev_default}; Atomic<float> sample_selection_f_close{sample_selection_f_close_default}; Atomic<float> sample_selection_f_position{sample_selection_f_position_default}; Atomic<float> sample_selection_f_diverse{sample_selection_f_diverse_default}; @@ -202,6 +204,7 @@ struct SettingsGetter SettingRef<float> velocity_modifier_falloff; SettingRef<float> velocity_modifier_weight; SettingRef<float> velocity_stddev; + SettingRef<float> position_stddev; SettingRef<float> sample_selection_f_close; SettingRef<float> sample_selection_f_position; SettingRef<float> sample_selection_f_diverse; @@ -278,6 +281,7 @@ struct SettingsGetter , velocity_modifier_falloff{settings.velocity_modifier_falloff} , velocity_modifier_weight{settings.velocity_modifier_weight} , velocity_stddev{settings.velocity_stddev} + , position_stddev{settings.position_stddev} , sample_selection_f_close{settings.sample_selection_f_close} , sample_selection_f_position{settings.sample_selection_f_position} , sample_selection_f_diverse{settings.sample_selection_f_diverse} @@ -349,6 +353,7 @@ public: Notifier<float> velocity_modifier_falloff; Notifier<float> velocity_modifier_weight; Notifier<float> velocity_stddev; + Notifier<float> position_stddev; Notifier<float> sample_selection_f_close; Notifier<float> sample_selection_f_position; Notifier<float> sample_selection_f_diverse; @@ -429,6 +434,7 @@ public: EVAL(velocity_modifier_falloff); EVAL(velocity_modifier_weight); EVAL(velocity_stddev); + EVAL(position_stddev); EVAL(sample_selection_f_close); EVAL(sample_selection_f_position); EVAL(sample_selection_f_diverse); |