works

1 files changed, 21 insertions, 3 deletions

diff --git a/src/render/processing.rs b/src/render/processing.rs
index 451fab3..7c35736 100644
--- a/src/render/processing.rs
+++ b/src/render/processing.rs
@@ -8,6 +8,20 @@ pub fn biome_tint(s: &Texture) -> Texture {
     tint(s, (100, 200, 50))
 }
 
+pub fn adjust_alpha(fac: u8, source: &Texture) -> Texture {
+    let mut t = ImageBuffer::new(16, 16);
+    for (x, y, p) in t.enumerate_pixels_mut() {
+        let sp = source.get_pixel(x, y);
+        *p = Rgba::from([
+            sp.0[0],
+            sp.0[1],
+            sp.0[2],
+            ((sp.0[3] as u16 * fac as u16) / 255) as u8,
+        ])
+    }
+    return t;
+}
+
 pub fn tint(source: &Texture, tint: (u16, u16, u16)) -> Texture {
     let mut t = ImageBuffer::new(16, 16);
     for (x, y, p) in t.enumerate_pixels_mut() {
@@ -33,15 +47,19 @@ pub fn crop16(tex: &Texture) -> Texture {
 
 pub fn transparent() -> Texture {
     let mut t = ImageBuffer::new(16, 16);
-    for (_,_,p) in t.enumerate_pixels_mut() {
-        *p = Rgba::from([0,0,0,255])
+    for (_, _, p) in t.enumerate_pixels_mut() {
+        *p = Rgba::from([0, 0, 0, 255])
     }
     return t;
 }
 
 pub fn block_texture(block_name: &str) -> Texture {
     image::open(&Path::new(
-        format!("./assets/assets/minecraft/textures/block/{}.png", block_name).as_str(),
+        format!(
+            "./assets/assets/minecraft/textures/block/{}.png",
+            block_name
+        )
+        .as_str(),
     ))
     .unwrap_or_else(|_err| {
         image::open(&Path::new(