From 8e128d3ca24fa10dc7d871f7daf6c43eaddc385c Mon Sep 17 00:00:00 2001
From: Kai Stevenson <kai@kaistevenson.com>
Date: Sun, 30 Aug 2026 20:10:07 -0700
Subject: wip biome abstraction

---
 src/content/world/mines.rs | 41 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)

(limited to 'src/content/world')

diff --git a/src/content/world/mines.rs b/src/content/world/mines.rs
index e69de29..ae859bc 100644
--- a/src/content/world/mines.rs
+++ b/src/content/world/mines.rs
@@ -0,0 +1,41 @@
+use crate::{
+    config::TILESET_SCALING,
+    content::materials::MaterialId,
+    proc_gen::{
+        Biome,
+        tileset_loader::{Tile, TileOrientation, TilesetPixelType},
+    },
+    sim::cell::Cell,
+};
+
+pub struct MinesBiome;
+
+impl Biome for MinesBiome {
+    fn derive_world_from_tile(&self, tile: &Tile) -> Vec<Cell> {
+        let tp = TILESET_SCALING.pow(2) as u32;
+        let mut cells =
+            vec![Cell::void(); (tile.dimensions.short * tile.dimensions.long * tp) as usize];
+        let ey = match tile.orientation {
+            TileOrientation::Horizontal => tile.dimensions.short,
+            TileOrientation::Vertical => tile.dimensions.long,
+        };
+        let ex = match tile.orientation {
+            TileOrientation::Horizontal => tile.dimensions.long,
+            TileOrientation::Vertical => tile.dimensions.short,
+        };
+
+        for y in 0..ey {
+            for x in 0..ex {
+                let idx = (x + y * ex) * tp;
+                for i in 0..tp {
+                    cells[(idx + i) as usize] = match tile.pixels[(x + y * ex) as usize] {
+                        TilesetPixelType::Void => Cell::void(),
+                        TilesetPixelType::Terrain => Cell::from_material(MaterialId::Dirt),
+                    }
+                }
+            }
+        }
+
+        cells
+    }
+}
-- 
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