enable rtt dtor, default values for <text> node, dual-brush wip, more brush options

src/brush.h

@@ -6,22 +6,29 @@
 class Brush
 {
 public:
-    Brush() = default;
-    Brush(const Brush& brush) = default;
+    //Brush() = default;
+    //Brush(const Brush& brush) = default;
     std::string m_name;
+
+    std::shared_ptr<Texture2D> m_tip_texture;
     std::string m_brush_path;
     std::string m_brush_thumb_path;
-    std::string m_stencil_path;
-    std::shared_ptr<Texture2D> m_tip_texture;
+
+    std::shared_ptr<Texture2D> m_dual_texture;
+    std::string m_dual_path;
+    std::string m_dual_thumb_path;
+    
     std::shared_ptr<Texture2D> m_stencil_texture;
-    //uint16_t m_tex_id = 0;
-    //uint16_t m_tex_stencil_id = const_hash("data/paper.jpg");
+    std::string m_stencil_path;
+    std::string m_stencil_thumb_path;
+
     glm::vec4 m_tip_color{0, 0, 0, 1};
     float m_tip_size = 0;
     float m_tip_spacing = 0;
     float m_tip_flow = 0;
     float m_tip_opacity = 0;
     float m_tip_angle = 0;
+    float m_tip_angle_delay = 0;
     float m_tip_mix = 0;
     float m_tip_stencil = 0;
     float m_tip_wet = 0;
@@ -32,9 +39,6 @@ public:
     bool  m_tip_angle_follow = false;
     bool  m_tip_flow_pressure = false;
     bool  m_tip_size_pressure = false;
-    bool  m_tip_hue_pressure = false;
-    bool  m_tip_sat_pressure = false;
-    bool  m_tip_val_pressure = false;
     float m_jitter_scale = 0;
     float m_jitter_angle = 0;
     float m_jitter_spread = 0;
@@ -43,7 +47,27 @@ public:
     float m_jitter_sat = 0;
     float m_jitter_val = 0;
     int m_blend_mode = 0;
+
+    bool m_tip_invert = false;
+    bool m_tip_flipx = false;
+    bool m_tip_flipy = false;
+    bool m_tex_enabled = false;
+    bool m_dual_enabled = false;
+    int m_dual_blend_mode = 0;
+    bool m_dual_randflip = false;
+    float m_dual_size = 0;
+    float m_dual_spacing = 0;
+    float m_dual_scatter = 0;
+    bool m_dual_scatter_axis = false;
+    bool m_dual_invert = false;
+    bool m_dual_flipx = false;
+    bool m_dual_flipy = false;
+    bool m_tip_randflipx = false;
+    bool m_tip_randflipy = false;
+    float m_tip_aspect = 0.5;
+
     bool load_texture(const std::string& path, const std::string& thumb);
+    bool load_dual(const std::string& path, const std::string& thumb);
     bool load_stencil(const std::string& path);
     bool load();
 };
@@ -53,6 +77,7 @@ struct StrokeSample
     glm::vec3 col = { 0, 0, 0 };
     glm::vec3 pos = { 0, 0, 0 };
     glm::vec3 origin = { 0, 0, 0 };
+    glm::vec2 scale = { 1, 1 };
     float size = 0;
     float flow = 0;
     float angle = 0;
@@ -110,9 +135,9 @@ public:
     bool m_filter_points = true;
     Camera m_camera;
     std::shared_ptr<Brush> m_brush;
-    cbuffer<float, 3> m_direction;
-    cbuffer<float, 10> m_pressure_buff;
-    cbuffer<glm::vec3, 3> m_hsv_jitter;
+    cbuffer<float> m_direction{ 1 };
+    cbuffer<float> m_pressure_buff{ 10 };
+    cbuffer<glm::vec3> m_hsv_jitter{ 3 };
     StrokeSample m_prev_sample;
     std::vector<Keypoint> m_keypoints;
     std::vector<std::pair<glm::vec3, float>> m_hold_points;