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74 lines
2.2 KiB
C++
74 lines
2.2 KiB
C++
// Luanti
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// SPDX-License-Identifier: LGPL-2.1-or-later
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// Copyright (C) 2020 Jean-Patrick Guerrero <jeanpatrick.guerrero@gmail.com>
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#pragma once
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#include "ICameraSceneNode.h"
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#include "StyleSpec.h"
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#include <IAnimatedMeshSceneNode.h>
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#include <IGUIElement.h>
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#include <IGUIEnvironment.h>
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using namespace irr;
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class GUIScene : public gui::IGUIElement
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{
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public:
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GUIScene(gui::IGUIEnvironment *env, scene::ISceneManager *smgr,
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gui::IGUIElement *parent, core::recti rect, s32 id = -1);
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~GUIScene();
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scene::IAnimatedMeshSceneNode *setMesh(scene::IAnimatedMesh *mesh = nullptr);
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void setTexture(u32 idx, video::ITexture *texture);
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void setBackgroundColor(const video::SColor &color) noexcept { m_bgcolor = color; };
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void setFrameLoop(f32 begin, f32 end);
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void setAnimationSpeed(f32 speed);
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void enableMouseControl(bool enable) noexcept { m_mouse_ctrl = enable; };
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void setRotation(v2f rot) noexcept { m_custom_rot = rot; };
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void enableContinuousRotation(bool enable) noexcept { m_inf_rot = enable; };
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void setStyles(const std::array<StyleSpec, StyleSpec::NUM_STATES> &styles);
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virtual void draw();
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virtual bool OnEvent(const SEvent &event);
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private:
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void calcOptimalDistance();
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void updateTargetPos();
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void updateCamera(scene::ISceneNode *target);
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void setCameraRotation(v3f rot);
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/// @return true indicates that the rotation was corrected
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bool correctBounds(v3f &rot);
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void cameraLoop();
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void updateCameraPos() { m_cam_pos = m_cam->getPosition(); };
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v3f getCameraRotation() const { return (m_cam_pos - m_target_pos).getHorizontalAngle(); };
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void rotateCamera(const v3f &delta) { setCameraRotation(getCameraRotation() + delta); };
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scene::ISceneManager *m_smgr;
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video::IVideoDriver *m_driver;
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scene::ICameraSceneNode *m_cam;
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scene::ISceneNode *m_target = nullptr;
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scene::IAnimatedMeshSceneNode *m_mesh = nullptr;
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f32 m_cam_distance = 50.f;
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u64 m_last_time = 0;
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v3f m_cam_pos;
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v3f m_target_pos;
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v3f m_last_target_pos;
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// Cursor positions
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v2f m_curr_pos;
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v2f m_last_pos;
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// Initial rotation
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v2f m_custom_rot;
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bool m_mouse_ctrl = true;
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bool m_update_cam = false;
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bool m_inf_rot = false;
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bool m_initial_rotation = true;
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video::SColor m_bgcolor = 0;
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};
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