From f5b04f08c624192dc9db3900abc6e1a66514b91b Mon Sep 17 00:00:00 2001
From: Jared Miller <jared@smell.flowers>
Date: Wed, 11 Mar 2026 13:25:10 -0400
Subject: [PATCH] Wire material lookup textures into Renderer

---
 src/Renderer.ts        | 28 ++++++++++++++++++++++++++++
 src/materials/index.ts | 11 +++++++++++
 2 files changed, 39 insertions(+)
 create mode 100644 src/materials/index.ts

diff --git a/src/Renderer.ts b/src/Renderer.ts
index d471fba..b3d198b 100644
--- a/src/Renderer.ts
+++ b/src/Renderer.ts
@@ -9,6 +9,11 @@ import {
     TERRAIN_TYPE_MASK,
     TERRAIN_TYPE_SHIFT,
 } from "./constants";
+import {
+    generateColorData,
+    generateLookupData,
+    MaterialRegistry,
+} from "./materials";
 
 interface Resources {
     worldRenderTarget: THREE.WebGLRenderTarget;
@@ -24,11 +29,34 @@ export default class Renderer {
     private renderer: THREE.WebGLRenderer;
     public resources!: Resources;
     private colonyStats = new ColonyStats();
+    public readonly materialRegistry = new MaterialRegistry();
+    public readonly materialPropsTexture!: THREE.DataTexture;
+    public readonly materialColorTexture!: THREE.DataTexture;
 
     constructor(public canvas: HTMLCanvasElement) {
         this.renderer = new THREE.WebGLRenderer({ canvas });
 
         this.initResources();
+
+        const propsData = generateLookupData(this.materialRegistry);
+        this.materialPropsTexture = new THREE.DataTexture(
+            propsData,
+            256,
+            1,
+            THREE.RGBAFormat,
+            THREE.FloatType,
+        );
+        this.materialPropsTexture.needsUpdate = true;
+
+        const colorData = generateColorData(this.materialRegistry);
+        this.materialColorTexture = new THREE.DataTexture(
+            colorData,
+            256,
+            1,
+            THREE.RGBAFormat,
+            THREE.FloatType,
+        );
+        this.materialColorTexture.needsUpdate = true;
     }
 
     private initResources() {
diff --git a/src/materials/index.ts b/src/materials/index.ts
new file mode 100644
index 0000000..5d98eb2
--- /dev/null
+++ b/src/materials/index.ts
@@ -0,0 +1,11 @@
+export { generateColorData, generateLookupData } from "./lookupTexture";
+export { MaterialRegistry } from "./registry";
+export {
+    BEHAVIOR_GAS,
+    BEHAVIOR_LIQUID,
+    BEHAVIOR_POWDER,
+    BEHAVIOR_SOLID,
+    type BehaviorType,
+    type Color4,
+    type Material,
+} from "./types";