From 511d3873f5f567c97eecd69d186bb4f93f927d58 Mon Sep 17 00:00:00 2001
From: Micha White <botahamec@outlook.com>
Date: Sun, 2 Oct 2022 13:49:47 -0400
Subject: Hacked in textures

---
 src/texture.rs | 59 +++++++++++++++++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 54 insertions(+), 5 deletions(-)

(limited to 'src/texture.rs')

diff --git a/src/texture.rs b/src/texture.rs
index 8a36334..9184304 100644
--- a/src/texture.rs
+++ b/src/texture.rs
@@ -12,9 +12,10 @@ use thiserror::Error;
 static NEXT_TEXTURE_ID: AtomicUsize = AtomicUsize::new(0);
 
 #[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)]
-struct TextureId(usize);
+pub struct TextureId(usize);
 
 impl TextureId {
+	#[allow(clippy::new_without_default)]
 	pub fn new() -> Self {
 		Self(NEXT_TEXTURE_ID.fetch_add(1, Ordering::Relaxed))
 	}
@@ -58,15 +59,16 @@ impl From<ImageError> for TextureError {
 	}
 }
 
-struct TextureAtlases<'a> {
+// TODO make this Debug
+pub struct TextureAtlases<'a> {
 	packer: MultiTexturePacker<'a, image::RgbaImage, TextureId>,
+	width: u32,
+	height: u32,
 }
 
 impl<'a> Default for TextureAtlases<'a> {
 	fn default() -> Self {
-		Self {
-			packer: MultiTexturePacker::new_skyline(TexturePackerConfig::default()),
-		}
+		Self::new(1024, 1024)
 	}
 }
 
@@ -78,8 +80,11 @@ impl<'a> TextureAtlases<'a> {
 			packer: MultiTexturePacker::new_skyline(TexturePackerConfig {
 				max_width: width,
 				max_height: height,
+				//trim: false,
 				..Default::default()
 			}),
+			width,
+			height,
 		}
 	}
 
@@ -98,6 +103,50 @@ impl<'a> TextureAtlases<'a> {
 		Ok(id)
 	}
 
+	fn texture_frame(&self, id: TextureId) -> Option<&texture_packer::Frame<TextureId>> {
+		self.packer
+			.get_pages()
+			.iter()
+			.map(|a| a.get_frame(&id))
+			.next()?
+	}
+
+	pub fn texture_width(&self, id: TextureId) -> Option<u32> {
+		let frame = self.texture_frame(id)?;
+		Some(frame.frame.w)
+	}
+
+	pub fn texture_height(&self, id: TextureId) -> Option<u32> {
+		let frame = self.texture_frame(id)?;
+		Some(frame.frame.h)
+	}
+
+	pub fn texture_x(&self, id: TextureId) -> Option<u32> {
+		let frame = self.texture_frame(id)?;
+		Some(frame.frame.x)
+	}
+
+	pub fn texture_y(&self, id: TextureId) -> Option<u32> {
+		let frame = self.texture_frame(id)?;
+		Some(frame.frame.y)
+	}
+
+	pub(crate) const fn bytes_per_row(&self) -> u32 {
+		self.width * 4
+	}
+
+	pub(crate) const fn height(&self) -> u32 {
+		self.height
+	}
+
+	pub(crate) const fn extent_3d(&self) -> wgpu::Extent3d {
+		wgpu::Extent3d {
+			width: self.width,
+			height: self.height,
+			depth_or_array_layers: 1,
+		}
+	}
+
 	pub(crate) fn atlases(&self) -> ExportResult<Box<[DynamicImage]>> {
 		self.packer
 			.get_pages()
-- 
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