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/powermapfilter.cc | 54 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 src/powermapfilter.cc

(limited to 'src/powermapfilter.cc')

diff --git a/src/powermapfilter.cc b/src/powermapfilter.cc
new file mode 100644
index 0000000..45df51e
--- /dev/null
+++ b/src/powermapfilter.cc
@@ -0,0 +1,54 @@
+/* -*- Mode: c++ -*- */
+/***************************************************************************
+ *            powermapfilter.cc
+ *
+ *  Mon Apr 20 23:28:12 CEST 2020
+ *  Copyright 2020 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 "powermapfilter.h"
+
+#include "settings.h"
+
+PowermapFilter::PowermapFilter(Settings& settings)
+	: settings(settings)
+{
+}
+
+bool PowermapFilter::filter(event_t& event, size_t pos)
+{
+	// the position is irrelevant for this filter
+	(void) pos;
+
+	settings.powermap_input.store(event.velocity);
+	if (settings.enable_powermap.load())
+	{
+		powermap.setFixed0({settings.powermap_fixed0_x.load(), settings.powermap_fixed0_y.load()});
+		powermap.setFixed1({settings.powermap_fixed1_x.load(), settings.powermap_fixed1_y.load()});
+		powermap.setFixed2({settings.powermap_fixed2_x.load(), settings.powermap_fixed2_y.load()});
+		powermap.setShelf(settings.powermap_shelf.load());
+
+		event.velocity = powermap.map(event.velocity);
+	}
+	settings.powermap_output.store(event.velocity);
+
+	return true;
+}
-- 
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