rename engine to src

src/canvas_modes.h

@@ -0,0 +1,139 @@
+#pragma once
+#include "event.h"
+#include "shape.h"
+#include "brush.h"
+#include <poly2tri.h>
+
+NS_START
+class Canvas;
+NS_END
+
+class CanvasMode
+{
+public:
+    static class NodeCanvas* node;
+    static ui::Canvas* canvas;
+    virtual void on_MouseEvent(MouseEvent* me, glm::vec2& loc) {}
+    virtual void on_KeyEvent(KeyEvent* ke) {}
+    virtual void on_GestureEvent(GestureEvent* ge) {}
+    virtual void on_Draw(const glm::mat4& ortho, const glm::mat4& proj, const glm::mat4& camera) {}
+    virtual void init() {}
+    virtual void enter() {}
+    virtual void leave() {}
+};
+
+class CanvasModeBasicCamera : public CanvasMode
+{
+    bool m_draggingR = false;
+    glm::vec2 m_dragR_start;
+    glm::vec2 m_pan_start;
+    float m_camera_fov;
+    float m_zoom_canvas = 1.f;
+    float m_zoom_start;
+public:
+    virtual void on_MouseEvent(MouseEvent* me, glm::vec2& loc) override;
+    virtual void on_GestureEvent(GestureEvent* ge) override;
+};
+
+class CanvasModePen : public CanvasMode
+{
+    bool m_dragging = false;
+    glm::vec2 m_pan_start;
+    glm::vec2 m_cur_pos;
+    glm::vec2 m_size_pos_start;
+    float m_size_value_start;
+    float m_camera_fov;
+    float m_zoom_canvas = 1.f;
+    float m_zoom_start;
+    bool m_valid_brush = false;
+    ui::Brush m_brush;
+    // resizing the tip
+    bool m_resizing = false;
+public:
+    virtual void on_MouseEvent(MouseEvent* me, glm::vec2& loc) override;
+    virtual void on_Draw(const glm::mat4& ortho, const glm::mat4& proj, const glm::mat4& camera) override;
+    virtual void enter() override;
+    virtual void leave() override;
+    bool m_picking = false;
+};
+
+class CanvasModeLine : public CanvasMode
+{
+    ui::LineSegment m_line;
+    bool m_dragging = false;
+    glm::vec2 m_drag_start;
+    glm::vec2 m_drag_pos;
+public:
+    virtual void on_MouseEvent(MouseEvent* me, glm::vec2& loc) override;
+    virtual void on_Draw(const glm::mat4& ortho, const glm::mat4& proj, const glm::mat4& camera) override;
+    virtual void init() override;
+};
+
+class CanvasModeGrid : public CanvasMode
+{
+    ui::LineSegment m_line;
+    glm::vec3 origin;
+    glm::vec3 dir;
+    int m_plane_id;
+    bool m_dragging = false;
+    struct ray_t { glm::vec3 o, d; };
+    std::vector<ray_t> m_lines;
+public:
+    virtual void on_MouseEvent(MouseEvent* me, glm::vec2& loc) override;
+    virtual void on_Draw(const glm::mat4& ortho, const glm::mat4& proj, const glm::mat4& camera) override;
+    virtual void init() override;
+    void commit();
+    void clear();
+};
+
+class CanvasModeCamera : public CanvasMode
+{
+    bool m_dragging = false;
+    glm::vec2 m_drag_start;
+    glm::vec2 m_pos_start;
+public:
+    virtual void on_MouseEvent(MouseEvent* me, glm::vec2& loc) override;
+};
+
+class CanvasModeFill : public CanvasMode
+{
+    ui::DynamicShape m_shape;
+    bool m_dragging = false;
+    std::vector<ui::Shape::vertex_t> m_points;
+    std::map<int, int> m_dirty_planes;
+public:
+    virtual void on_Draw(const glm::mat4& ortho, const glm::mat4& proj, const glm::mat4& camera) override;
+    virtual void on_MouseEvent(MouseEvent* me, glm::vec2& loc) override;
+    virtual void init() override;
+    virtual void leave() override;
+};
+
+class CanvasModeMaskFree : public CanvasMode
+{
+    ui::DynamicShape m_shape;
+    bool m_dragging = false;
+    std::vector<ui::Shape::vertex_t> m_points;
+    std::vector<glm::vec2> m_points2d;
+    std::map<int, int> m_dirty_planes;
+public:
+    virtual void on_Draw(const glm::mat4& ortho, const glm::mat4& proj, const glm::mat4& camera) override;
+    virtual void on_MouseEvent(MouseEvent* me, glm::vec2& loc) override;
+    virtual void init() override;
+    virtual void leave() override;
+};
+
+class CanvasModeMaskLine : public CanvasMode
+{
+    ui::DynamicShape m_shape;
+    bool m_dragging = false;
+    std::vector<ui::Shape::vertex_t> m_points;
+    std::vector<glm::vec2> m_points2d;
+    std::map<int, int> m_dirty_planes;
+    bool m_active_tool = false;
+public:
+    virtual void on_Draw(const glm::mat4& ortho, const glm::mat4& proj, const glm::mat4& camera) override;
+    virtual void on_MouseEvent(MouseEvent* me, glm::vec2& loc) override;
+    virtual void init() override;
+    virtual void enter() override;
+    virtual void leave() override;
+};