graphics: add feature to include assets statically in the binary

1 files changed, 25 insertions, 4 deletions

diff --git a/graphics/src/render.rs b/graphics/src/render.rs
index 945528b..bbfa2b9 100644
--- a/graphics/src/render.rs
+++ b/graphics/src/render.rs
@@ -46,6 +46,27 @@ macro_rules! draw_text {
     }};
 }
 
+#[cfg(not(feature = "static"))]
+macro_rules! load_texture {
+    ($handle:expr, $thread:expr, $filepath:expr) => (
+		$handle.load_texture($thread, $filepath)?
+	)
+}
+
+#[cfg(feature = "static")]
+macro_rules! load_texture {
+    ($handle:expr, $thread:expr, $filepath:expr) => (
+		{
+			let bytes = include_bytes!(concat!("../../", $filepath));
+			let len = $filepath.len();
+			let ext = &$filepath[len-4..];
+			let image = ::raylib::texture::Image::load_image_from_mem(ext, bytes)?;
+			$handle.load_texture_from_image($thread, &image)?
+		}
+
+	)
+}
+
 /// The baseline size of all ingame sprites and tile textures
 const TEXTURE_SIZE: u16 = 16;
 
@@ -121,10 +142,10 @@ struct Textures {
 }
 impl Textures {
 	fn new(handle: &mut RaylibHandle, thread: &RaylibThread) -> crate::Result<Self> {
-		let atlas = handle.load_texture(thread, "assets/atlas.bmp")?;
-		let player = handle.load_texture(thread, "assets/player.bmp")?;
-		let error = handle.load_texture(thread, "assets/error.bmp")?;
-		let font = handle.load_texture(thread, "assets/font.bmp")?;
+		let atlas = load_texture!(handle, thread, "assets/atlas.bmp");
+		let player = load_texture!(handle, thread, "assets/player.bmp");
+		let error = load_texture!(handle, thread, "assets/error.bmp");
+		let font = load_texture!(handle, thread, "assets/font.bmp");
 
 		Ok(Self {
 			atlas,