Furniture materials: wood, stone, iron, cloth, straw, fur, book spines and spellbook pages in both styles

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/gfx.rs

@@ -101,6 +101,8 @@ pub struct Gfx {
     pub hd_sprites: Texture2D, // detailed sprites (see HD_SPRITES, hd_cell_view)
     pub atlas_hd: Texture2D,   // the tile atlas of the high-res style, 64x64 tiles (see HD_TILES)
     pub atlas_hd2: Texture2D,  // the same with 128x128 tiles (close up)
+    pub materials: [Texture2D; 8],    // furniture materials, high-res (see crate::props::Mat)
+    pub materials_px: [Texture2D; 8], // the same for the pixel-art style (16x16)
     pub cursors: Texture2D, // mouse pointer frames, 16x16 each (see CURSOR_*)
     pub badges: Texture2D, // achievement badges, 32x32 each (see badges.rs)
     pub font: Texture2D, // Dinowyde (glyphs of 6x8 px ordered by Unicode, see font_slot) and DINOBYTE
@@ -327,6 +329,24 @@ fn earth_px(x: i32, y: i32, v: u32) -> Color {
     shade(base, (big + fine) as i32)
 }
 
+// ---- furniture materials (crate::props::Mat order): grey detail the furniture's colours tint
+// (the page keeps its colours), 64x64 and 16x16; see art/generated/textures/materials/
+macro_rules! material {
+    ($name:literal) => {
+        (include_bytes!(concat!("../assets/textures/mat/", $name, "-64.png")) as &[u8], include_bytes!(concat!("../assets/textures/mat/", $name, "-16.png")) as &[u8])
+    };
+}
+const MATERIALS: [(&[u8], &[u8]); 8] = [
+    material!("wood"),
+    material!("stone"),
+    material!("iron"),
+    material!("cloth"),
+    material!("straw"),
+    material!("fur"),
+    material!("book"),
+    material!("paper"),
+];
+
 // ---- high-res tiles
 // The high-res style's atlases: the same cells as the 16x16 atlas, HD_TILE (64) or HD_TILE2 (128)
 // texels each; the world shows the 128 one close up, where a tile gets that many pixels (two
@@ -2664,7 +2684,14 @@ impl Gfx {
         atlas_hd2.set_filter(FilterMode::Nearest);
         let hd_sprites = Texture2D::from_image(&gen_hd_sprites());
         hd_sprites.set_filter(FilterMode::Nearest);
-        Gfx { atlas, sprites, hd_sprites, atlas_hd, atlas_hd2, cursors, badges, font, font_map }
+        let mat = |b: &[u8]| {
+            let t = Texture2D::from_file_with_format(b, Some(ImageFormat::Png));
+            t.set_filter(FilterMode::Nearest);
+            t
+        };
+        let materials = MATERIALS.map(|(hd, _)| mat(hd));
+        let materials_px = MATERIALS.map(|(_, px)| mat(px));
+        Gfx { atlas, sprites, hd_sprites, atlas_hd, atlas_hd2, materials, materials_px, cursors, badges, font, font_map }
     }
 
     pub fn cell(id: u32) -> Rect {