From b397b678f461ed9931fa12c25b662c32bf73fbfc Mon Sep 17 00:00:00 2001
From: Stanislaw Halik <sthalik@misaki.pl>
Date: Fri, 9 Sep 2016 14:54:57 +0200
Subject: add migration from mappings <= rc11

---
 migration/20160906_0-mappings.cpp | 100 ++++++++++++++++++++++++++++++++++++--
 1 file changed, 95 insertions(+), 5 deletions(-)

diff --git a/migration/20160906_0-mappings.cpp b/migration/20160906_0-mappings.cpp
index 0ff3095a..89c78a9d 100644
--- a/migration/20160906_0-mappings.cpp
+++ b/migration/20160906_0-mappings.cpp
@@ -1,14 +1,104 @@
 #include "migration.hpp"
+#include "logic/mappings.hpp"
+#include "logic/main-settings.hpp"
+#include "options/group.hpp"
+
+#include <QPointF>
+#include <QList>
+
+#include <memory>
 
 #include <QDebug>
 
 using namespace migrations;
 
-struct foo : migration
+struct mappings_from_2_3_0_rc11 : migration
 {
-    const QString& unique_date() const override { qDebug() << "foo"; static QString ret(""); return ret; }
-    bool should_run() const override { qDebug() << "bar"; return false; }
-    bool run() override { return false; }
+    static QList<QList<QPointF>> get_old_splines()
+    {
+        QList<QList<QPointF>> ret;
+
+        static const char* names[] =
+        {
+            "tx", "tx_alt",
+            "ty", "ty_alt",
+            "tz", "tz_alt",
+            "rx", "rx_alt",
+            "ry", "ry_alt",
+            "rz", "rz_alt",
+        };
+
+        std::shared_ptr<QSettings> settings_ = options::group::ini_file();
+        QSettings& settings(*settings_);
+
+        for (const char* name : names)
+        {
+            QList<QPointF> points;
+
+            settings.beginGroup(QString("Curves-%1").arg(name));
+
+            const int max = settings.value("point-count", 0).toInt();
+
+            for (int i = 0; i < max; i++)
+            {
+                QPointF new_point(settings.value(QString("point-%1-x").arg(i), 0).toDouble(),
+                                  settings.value(QString("point-%1-y").arg(i), 0).toDouble());
+
+                points.append(new_point);
+            }
+
+            settings.endGroup();
+
+            ret.append(points);
+        }
+
+        return ret;
+    }
+
+    QString unique_date() const override { return "20160909_00"; }
+    QString name() const override { return "Migrate mappings to 2.3.0-rc12"; }
+
+    static Mappings get_new_mappings()
+    {
+        main_settings s;
+        return Mappings(std::vector<axis_opts*>{&s.a_x, &s.a_y, &s.a_z, &s.a_yaw, &s.a_pitch, &s.a_roll});
+    }
+
+    bool should_run() const override
+    {
+        Mappings m = get_new_mappings();
+
+        // run only if no new splines were set
+        for (int i = 0; i < 6; i++)
+            if (m(i).spline_main.get_point_count() || m(i).spline_alt.get_point_count())
+                return false;
+
+        // run only if old splines exist
+        for (const QList<QPointF>& points : get_old_splines())
+            if (points.size())
+                return true;
+
+        // no splines exit at all
+        return false;
+    }
+    void run() override
+    {
+        const QList<QList<QPointF>> old_mappings = get_old_splines();
+        Mappings m = get_new_mappings();
+
+        std::shared_ptr<QSettings> s_ = options::group::ini_file();
+        QSettings& s = *s_;
+
+        for (int i = 0; i < 12; i++)
+        {
+            spline& spl = (i % 2) == 0 ? m(i / 2).spline_main : m(i / 2).spline_alt;
+            spl.removeAllPoints();
+            const QList<QPointF>& points = old_mappings[i];
+            for (const QPointF& pt : points)
+                spl.addPoint(pt);
+            spl.save(s);
+        }
+    }
 };
 
-OPENTRACK_MIGRATION(foo);
+OPENTRACK_MIGRATION(mappings_from_2_3_0_rc11);
-- 
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