1 files changed, 63 insertions, 0 deletions
diff --git a/light-client/src/render/sprite.rs b/light-client/src/render/sprite.rs
new file mode 100644
index 00000000..c19f8392
--- /dev/null
+++ b/light-client/src/render/sprite.rs
@@ -0,0 +1,63 @@
+use hurrycurry_protocol::glam::Vec2;
+use sdl2::rect::{FRect, Rect};
+
+pub struct Sprite {
+    z_offset: f32,
+    src: Rect,
+    relative_dst: FRect,
+}
+
+impl Sprite {
+    pub fn new(src: Rect, anchor: Vec2, elevation: f32) -> Self {
+        let relative_dst = FRect::new(
+            anchor.x - (src.w as f32) / 32. / 2.,
+            anchor.y - (src.h as f32) / 24.,
+            (src.w as f32) / 32.,
+            (src.h as f32) / 24.,
+        );
+        Self {
+            z_offset: elevation,
+            src,
+            relative_dst,
+        }
+    }
+    pub fn new_tile(src: Rect) -> Self {
+        Self::new(src, Vec2::new(0.5, 1.0), 0.)
+    }
+    pub fn at(&self, pos: Vec2) -> SpriteDraw {
+        SpriteDraw {
+            z_order: ((self.z_offset + pos.y) * 24.) as i32,
+            src: self.src,
+            dst: FRect::new(
+                self.relative_dst.x + pos.x,
+                self.relative_dst.y + pos.y,
+                self.relative_dst.w,
+                self.relative_dst.h,
+            ),
+        }
+    }
+}
+
+#[derive(Debug, Clone, Copy)]
+pub struct SpriteDraw {
+    pub z_order: i32,
+    pub src: Rect,
+    pub dst: FRect,
+}
+
+impl Ord for SpriteDraw {
+    fn cmp(&self, other: &Self) -> std::cmp::Ordering {
+        self.z_order.cmp(&other.z_order)
+    }
+}
+impl PartialOrd for SpriteDraw {
+    fn partial_cmp(&self, other: &Self) -> Option<std::cmp::Ordering> {
+        Some(self.cmp(&other))
+    }
+}
+impl Eq for SpriteDraw {}
+impl PartialEq for SpriteDraw {
+    fn eq(&self, other: &Self) -> bool {
+        self.z_order == other.z_order && self.src == other.src && self.dst == other.dst
+    }
+}