From 1671ee67a4d868811b3d3b5652b991d383a13679 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andr=C3=A9=20Nusser?= <andre.nusser@googlemail.com>
Date: Sat, 2 May 2020 12:56:48 +0200
Subject: Add powermap filter to the input processor and make sure that
 velocity visualizer is not affected but it.

---
 src/inputprocessor.cc | 51 ++++++++++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 46 insertions(+), 5 deletions(-)

(limited to 'src/inputprocessor.cc')

diff --git a/src/inputprocessor.cc b/src/inputprocessor.cc
index 6249c5b..2da5dbc 100644
--- a/src/inputprocessor.cc
+++ b/src/inputprocessor.cc
@@ -32,12 +32,53 @@
 
 #include "instrument.h"
 
-#include "staminafilter.h"
 #include "latencyfilter.h"
+#include "powermapfilter.h"
+#include "staminafilter.h"
 #include "velocityfilter.h"
 
 #include "cpp11fix.h"
 
+class VelocityStorer
+	: public InputFilter
+{
+public:
+	VelocityStorer(float& original_velocity)
+		: original_velocity(original_velocity)
+	{
+	}
+
+	bool filter(event_t& event, std::size_t pos) override
+	{
+		original_velocity = event.velocity;
+		return true;
+	}
+
+private:
+	float& original_velocity;
+};
+
+class Reporter
+	: public InputFilter
+{
+public:
+	Reporter(Settings& settings, float& original_velocity)
+		: settings(settings)
+		, original_velocity(original_velocity)
+	{
+	}
+
+	bool filter(event_t& event, std::size_t pos) override
+	{
+		settings.velocity_modifier_current.store(event.velocity / original_velocity);
+		return true;
+	}
+
+private:
+	Settings& settings;
+	float& original_velocity;
+};
+
 InputProcessor::InputProcessor(Settings& settings,
                                DrumKit& kit,
                                EventsDS& events_ds,
@@ -47,9 +88,12 @@ InputProcessor::InputProcessor(Settings& settings,
 	, settings(settings)
 {
 	// Build filter list
+	filters.emplace_back(std::make_unique<PowermapFilter>(settings));
+	filters.emplace_back(std::make_unique<VelocityStorer>(original_velocity));
 	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<Reporter>(settings, original_velocity));
 }
 
 bool InputProcessor::process(std::vector<event_t>& events,
@@ -178,7 +222,7 @@ bool InputProcessor::processOnset(event_t& event, std::size_t pos,
 		return false;
 	}
 
-	auto const original_level = event.velocity;
+	original_velocity = event.velocity;
 	for(auto& filter : filters)
 	{
 		// This line might change the 'event' variable
@@ -208,9 +252,6 @@ bool InputProcessor::processOnset(event_t& event, std::size_t pos,
 		return false;
 	}
 
-	auto const selected_level = (sample->getPower() - power_min)/power_span;
-	settings.velocity_modifier_current.store(selected_level/original_level);
-
 	events_ds.startAddingNewGroup(instrument_id);
 	for(Channel& ch: kit.channels)
 	{
-- 
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