From 3dd91a1429236e3047f23e1140c229fb2bb6f659 Mon Sep 17 00:00:00 2001
From: itsmattkc <itsmattkc@gmail.com>
Date: Fri, 3 Apr 2020 23:27:38 +1100
Subject: [PATCH] timenode: implemented timenode to allow values to be
 connected to time

---
 app/node/factory.cpp               |  3 +++
 app/node/factory.h                 |  1 +
 app/node/input/CMakeLists.txt      |  1 +
 app/node/input/time/CMakeLists.txt | 22 ++++++++++++++++
 app/node/input/time/timeinput.cpp  | 41 ++++++++++++++++++++++++++++++
 app/node/input/time/timeinput.h    | 23 +++++++++++++++++
 app/node/traverser.cpp             |  6 +++++
 7 files changed, 97 insertions(+)
 create mode 100644 app/node/input/time/CMakeLists.txt
 create mode 100644 app/node/input/time/timeinput.cpp
 create mode 100644 app/node/input/time/timeinput.h

diff --git a/app/node/factory.cpp b/app/node/factory.cpp
index b5e561e50..6080c159a 100644
--- a/app/node/factory.cpp
+++ b/app/node/factory.cpp
@@ -8,6 +8,7 @@
 #include "distort/transform/transform.h"
 #include "input/media/video/video.h"
 #include "input/media/audio/audio.h"
+#include "input/time/timeinput.h"
 #include "math/math.h"
 #include "output/track/track.h"
 #include "output/viewer/viewer.h"
@@ -138,6 +139,8 @@ Node *NodeFactory::CreateInternal(const NodeFactory::InternalID &id)
     return new PanNode();
   case kMath:
     return new MathNode();
+  case kTime:
+    return new TimeInput();
 
   case kInternalNodeCount:
     break;
diff --git a/app/node/factory.h b/app/node/factory.h
index 55f204e4d..a0bd892aa 100644
--- a/app/node/factory.h
+++ b/app/node/factory.h
@@ -20,6 +20,7 @@ public:
     kAudioVolume,
     kAudioPanning,
     kMath,
+    kTime,
 
     // Count value
     kInternalNodeCount
diff --git a/app/node/input/CMakeLists.txt b/app/node/input/CMakeLists.txt
index eca5ea46f..5f711f39c 100644
--- a/app/node/input/CMakeLists.txt
+++ b/app/node/input/CMakeLists.txt
@@ -15,6 +15,7 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 add_subdirectory(media)
+add_subdirectory(time)
 
 set(OLIVE_SOURCES
   ${OLIVE_SOURCES}
diff --git a/app/node/input/time/CMakeLists.txt b/app/node/input/time/CMakeLists.txt
new file mode 100644
index 000000000..0d308d952
--- /dev/null
+++ b/app/node/input/time/CMakeLists.txt
@@ -0,0 +1,22 @@
+# Olive - Non-Linear Video Editor
+# Copyright (C) 2019 Olive Team
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+set(OLIVE_SOURCES
+  ${OLIVE_SOURCES}
+  node/input/time/timeinput.h
+  node/input/time/timeinput.cpp
+  PARENT_SCOPE
+)
diff --git a/app/node/input/time/timeinput.cpp b/app/node/input/time/timeinput.cpp
new file mode 100644
index 000000000..12f334ad1
--- /dev/null
+++ b/app/node/input/time/timeinput.cpp
@@ -0,0 +1,41 @@
+#include "timeinput.h"
+
+TimeInput::TimeInput()
+{
+}
+
+Node *TimeInput::copy() const
+{
+  return new TimeInput();
+}
+
+QString TimeInput::Name() const
+{
+  return tr("Time");
+}
+
+QString TimeInput::id() const
+{
+  return QStringLiteral("org.olivevideoeditor.Olive.videoinput");
+}
+
+QString TimeInput::Category() const
+{
+  return tr("Input");
+}
+
+QString TimeInput::Description() const
+{
+  return tr("Generates the time (in seconds) at this frame");
+}
+
+NodeValueTable TimeInput::Value(const NodeValueDatabase &value) const
+{
+  NodeValueTable table = value.Merge();
+
+  table.Push(NodeParam::kFloat,
+             value[QStringLiteral("global")].Get(NodeParam::kFloat, QStringLiteral("time_in")),
+             QStringLiteral("time"));
+
+  return table;
+}
diff --git a/app/node/input/time/timeinput.h b/app/node/input/time/timeinput.h
new file mode 100644
index 000000000..340646e64
--- /dev/null
+++ b/app/node/input/time/timeinput.h
@@ -0,0 +1,23 @@
+#ifndef TIMEINPUT_H
+#define TIMEINPUT_H
+
+#include "node/node.h"
+
+class TimeInput : public Node
+{
+    Q_OBJECT
+public:
+  TimeInput();
+
+  virtual Node* copy() const override;
+
+  virtual QString Name() const override;
+  virtual QString id() const override;
+  virtual QString Category() const override;
+  virtual QString Description() const override;
+
+  virtual NodeValueTable Value(const NodeValueDatabase& value) const override;
+
+};
+
+#endif // TIMEINPUT_H
diff --git a/app/node/traverser.cpp b/app/node/traverser.cpp
index fb3f28239..ea601312f 100644
--- a/app/node/traverser.cpp
+++ b/app/node/traverser.cpp
@@ -29,6 +29,12 @@ NodeValueDatabase NodeTraverser::GenerateDatabase(const Node* node, const TimeRa
     }
   }
 
+  // Insert global variables
+  NodeValueTable global;
+  global.Push(NodeParam::kFloat, range.in().toDouble(), QStringLiteral("time_in"));
+  global.Push(NodeParam::kFloat, range.out().toDouble(), QStringLiteral("time_out"));
+  database.Insert(QStringLiteral("global"), global);
+
   return database;
 }