Refactor to make interaction between tools easier

1 files changed, 82 insertions, 0 deletions

diff --git a/src/map/icon.rs b/src/map/icon.rs
new file mode 100644
index 0000000..50e1906
--- /dev/null
+++ b/src/map/icon.rs
@@ -0,0 +1,82 @@
+use super::icon_renderer::IconRenderer;
+use crate::map::Mappable;
+use crate::math::{Vec2, Rect};
+use crate::transform::Transform;
+use raylib::core::drawing::{RaylibDraw, RaylibDrawHandle};
+use raylib::ffi::Color;
+use serde::{Deserialize, Serialize};
+use std::ops::{Deref, DerefMut};
+use std::rc::Rc;
+
+#[derive(Clone, Serialize, Deserialize)]
+pub struct IconData {
+    /// The id of the icon is the icons position in the currently loaded icon_data vector.
+    pub id: usize,
+    /// The position of the icon on the map, given by the vector in meters.
+    pub position: Vec2<f64>,
+    /// Rotation of the icon texture in degrees.
+    pub rotation: f64,
+}
+
+#[derive(Clone)]
+pub struct Icon {
+    data: IconData,
+    renderer: Rc<IconRenderer>,
+}
+
+impl Icon {
+    pub fn new(id: usize, position: Vec2<f64>, rotation: f64, renderer: Rc<IconRenderer>) -> Self {
+        Self::from_data(
+            IconData {
+                id,
+                position,
+                rotation,
+            },
+            renderer,
+        )
+    }
+
+    pub fn from_data(data: IconData, renderer: Rc<IconRenderer>) -> Self {
+        Self { data, renderer }
+    }
+}
+
+impl Mappable for Icon {
+    fn draw(&self, rld: &mut RaylibDrawHandle, transform: &Transform) {
+        let (texture, info) = self.renderer.get(self.id);
+        // Round the position to whole pixels to fix rotation problems.
+        let mut position_px =
+            transform.point_m_to_px(&(self.position - (info.anchor / info.pixels_per_m)));
+        position_px.x = position_px.x.floor();
+        position_px.y = position_px.y.floor();
+        rld.draw_texture_ex(
+            texture,
+            position_px,
+            self.rotation as f32,
+            (transform.pixels_per_m() / info.pixels_per_m) as f32,
+            Color {
+                r: 255,
+                g: 255,
+                b: 255,
+                a: 255,
+            },
+        );
+    }
+
+    fn bounding_rect(&self) -> Rect<f64> {
+        Rect::new(self.data.position.x, self.data.position.y, 0., 0.)
+    }
+}
+
+impl Deref for Icon {
+    type Target = IconData;
+
+    fn deref(&self) -> &Self::Target {
+        &self.data
+    }
+}
+impl DerefMut for Icon {
+    fn deref_mut(&mut self) -> &mut Self::Target {
+        &mut self.data
+    }
+}