refactoring: application mode code split

editormode.h

@@ -0,0 +1,84 @@
+/*
+This Source Code Form is subject to the
+terms of the Mozilla Public License, v.
+2.0. If a copy of the MPL was not
+distributed with this file, You can
+obtain one at
+http://mozilla.org/MPL/2.0/.
+*/
+
+#pragma once
+
+#include "applicationmode.h"
+#include "editormouseinput.h"
+#include "editorkeyboardinput.h"
+#include "camera.h"
+#include "sceneeditor.h"
+#include "scenenode.h"
+
+class editor_mode : public application_mode {
+
+public:
+// constructors
+    editor_mode();
+// methods
+    // initializes internal data structures of the mode. returns: true on success, false otherwise
+    bool
+        init() override;
+    // mode-specific update of simulation data. returns: false on error, true otherwise
+    bool
+        update() override;
+    // maintenance method, called when the mode is activated
+    void
+        enter() override;
+    // maintenance method, called when the mode is deactivated
+    void
+        exit() override;
+    // input handlers
+    void
+        on_key( int const Key, int const Scancode, int const Action, int const Mods ) override;
+    void
+        on_cursor_pos( double const Horizontal, double const Vertical ) override;
+    void
+        on_mouse_button( int const Button, int const Action, int const Mods ) override;
+    void
+        on_scroll( double const Xoffset, double const Yoffset ) override { ; }
+
+private:
+// types
+    struct editormode_input {
+
+        editormouse_input mouse;
+        editorkeyboard_input keyboard;
+
+        bool init();
+        void poll();
+    };
+
+    struct state_backup {
+
+        TCamera *camera;
+        bool freefly;
+        bool picking;
+    };
+// methods
+    void
+        update_camera( double const Deltatime );
+    bool
+        mode_translation() const;
+    bool
+        mode_translation_vertical() const;
+    bool
+        mode_rotation() const;
+    bool
+        mode_snap() const;
+// members
+    editormode_input m_input;
+    TCamera Camera;
+    double fTime50Hz { 0.0 }; // bufor czasu dla komunikacji z PoKeys
+    scene::basic_editor m_editor;
+    scene::basic_node *m_node; // currently selected scene node
+    bool m_takesnapshot { true }; // helper, hints whether snapshot of selected node(s) should be taken before modification
+    state_backup m_statebackup; // helper, cached variables to be restored on mode exit
+
+};