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/*
* Copyright (C) 2021 Linux Studio Plugins Project <https://lsp-plug.in/>
* (C) 2021 Vladimir Sadovnikov <sadko4u@gmail.com>
*
* This file is part of lsp-plugin-fw
* Created on: 27 сент. 2021 г.
*
* lsp-plugin-fw 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
* any later version.
*
* lsp-plugin-fw 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 lsp-plugin-fw. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef LSP_PLUG_IN_PLUG_FW_CTL_3D_AREA3D_H_
#define LSP_PLUG_IN_PLUG_FW_CTL_3D_AREA3D_H_
#ifndef LSP_PLUG_IN_PLUG_FW_CTL_IMPL_
#error "Use #include <lsp-plug.in/plug-fw/ctl.h>"
#endif /* LSP_PLUG_IN_PLUG_FW_CTL_IMPL_ */
#include <lsp-plug.in/plug-fw/version.h>
#include <lsp-plug.in/tk/tk.h>
#include <lsp-plug.in/dsp/dsp.h>
#include <lsp-plug.in/dsp-units/3d/view/types.h>
namespace lsp
{
namespace ctl
{
class Object3D;
/**
* ComboBox controller
*/
class Area3D: public Widget
{
public:
static const ctl_class_t metadata;
protected:
static status_t slot_draw3d(tk::Widget *sender, void *ptr, void *data);
static status_t slot_mouse_down(tk::Widget *sender, void *ptr, void *data);
static status_t slot_mouse_up(tk::Widget *sender, void *ptr, void *data);
static status_t slot_mouse_move(tk::Widget *sender, void *ptr, void *data);
protected:
typedef struct pov_angles_t
{
float fYaw;
float fPitch;
float fRoll;
} pov_angles_t;
protected:
lltl::darray<dspu::view::vertex3d_t> vVertices; // Vertices of the scene
lltl::parray<ctl::Object3D> vObjects;
// Camera control
ui::IPort *pPosX;
ui::IPort *pPosY;
ui::IPort *pPosZ;
ui::IPort *pYaw;
ui::IPort *pPitch;
// Camera position
bool bViewChanged; // View has changed
float fFov; // Field of view
dsp::point3d_t sPov; // Point-of-view for the camera
dsp::point3d_t sOldPov; // Old point of view
dsp::vector3d_t sTop; // Top-of-view for the camera
dsp::vector3d_t sXTop; // Updated top-of-view for the camera
dsp::vector3d_t sDir; // Direction-of-view for the camera
dsp::vector3d_t sSide; // Side-of-view for the camera
pov_angles_t sAngles; // Yaw, pitch, roll
pov_angles_t sOldAngles; // Old angles
// Mouse events
size_t nBMask; // Button mask
ssize_t nMouseX; // Mouse X position
ssize_t nMouseY; // Mouse Y position
// Properties
tk::prop::Color vAxes[3];
ctl::Boolean sBorderFlat;
ctl::Color sColor;
ctl::Color sBorderColor;
ctl::Color sGlassColor;
ctl::Color sAxes[3];
ctl::Expression sFov;
protected:
static float get_delta(ui::IPort *p, float dfl);
static float get_adelta(ui::IPort *p, float dfl);
void submit_pov_change(float *vold, float vnew, ui::IPort *port);
void submit_angle_change(float *vold, float vnew, ui::IPort *port);
void sync_pov_change(float *dst, ui::IPort *port, ui::IPort *psrc);
void sync_angle_change(float *dst, ui::IPort *port, ui::IPort *psrc);
protected:
status_t render(ws::IR3DBackend *r3d);
void commit_view(ws::IR3DBackend *r3d);
void setup_camera(ws::IR3DBackend *r3d);
void setup_lighting(ws::IR3DBackend *r3d);
// void draw_axes(ws::IR3DBackend *r3d);
void draw_supplementary(ws::IR3DBackend *r3d);
void draw_scene(ws::IR3DBackend *r3d);
void update_frustum();
void rotate_camera(ssize_t dx, ssize_t dy);
void move_camera(ssize_t dx, ssize_t dy, ssize_t dz);
void notify_view_changed();
public:
explicit Area3D(ui::IWrapper *wrapper, tk::Area3D *widget);
virtual ~Area3D() override;
virtual status_t init() override;
protected:
virtual void property_changed(tk::Property *prop) override;
public:
virtual void set(ui::UIContext *ctx, const char *name, const char *value) override;
virtual status_t add(ui::UIContext *ctx, ctl::Widget *child) override;
virtual void end(ui::UIContext *ctx) override;
virtual void notify(ui::IPort *port) override;
public:
void query_draw();
void query_view_change();
inline const dsp::point3d_t *point_of_view() const { return &sPov; }
inline const dsp::vector3d_t *direction_of_view() const { return &sDir; }
};
} /* namespace ctl */
} /* namespace lsp */
#endif /* LSP_PLUG_IN_PLUG_FW_CTL_3D_AREA3D_H_ */
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