1 files changed, 37 insertions, 0 deletions
diff --git a/src/content/materials/mod.rs b/src/content/materials/mod.rs
index 11c0cca..6338827 100644
--- a/src/content/materials/mod.rs
+++ b/src/content/materials/mod.rs
@@ -39,6 +39,10 @@ pub struct MaterialDef {
     pub density: u8,
     pub form: MaterialForm,
     pub sim_update: Option<fn(ctx: &mut UpdateCtx) -> PostUpdateAction>,
+
+    // lighting
+    pub emission: (u8, u8, u8, u8),
+    pub opacity: u8,
 }
 
 static MATERIALS: [MaterialDef; 11] = [
@@ -49,6 +53,9 @@ static MATERIALS: [MaterialDef; 11] = [
         // form usually but not always determines the update fn
         form: MaterialForm::Void,
         sim_update: None,
+
+        emission: (0x00, 0x00, 0x00, 0x00),
+        opacity: 0x00,
     },
     MaterialDef {
         name: "Sand",
@@ -56,6 +63,9 @@ static MATERIALS: [MaterialDef; 11] = [
         density: 50,
         form: MaterialForm::Powder,
         sim_update: Some(powder::sim_update),
+
+        emission: (0x00, 0x00, 0x00, 0x00),
+        opacity: 0xE0,
     },
     MaterialDef {
         name: "Dirt",
@@ -63,6 +73,9 @@ static MATERIALS: [MaterialDef; 11] = [
         density: 55,
         form: MaterialForm::Solid,
         sim_update: None,
+
+        emission: (0x00, 0x00, 0x00, 0x00),
+        opacity: 0xE0,
     },
     MaterialDef {
         name: "Stone",
@@ -70,6 +83,9 @@ static MATERIALS: [MaterialDef; 11] = [
         density: 115,
         form: MaterialForm::Solid,
         sim_update: None,
+
+        emission: (0x00, 0x00, 0x00, 0x00),
+        opacity: 0xFF,
     },
     MaterialDef {
         name: "Wood",
@@ -77,6 +93,9 @@ static MATERIALS: [MaterialDef; 11] = [
         density: 60,
         form: MaterialForm::Solid,
         sim_update: None,
+
+        emission: (0x00, 0x00, 0x00, 0x00),
+        opacity: 0xFF,
     },
     MaterialDef {
         name: "Water",
@@ -84,6 +103,9 @@ static MATERIALS: [MaterialDef; 11] = [
         density: 40,
         form: MaterialForm::Liquid,
         sim_update: Some(liquid::sim_update),
+
+        emission: (0x00, 0x00, 0x00, 0x00),
+        opacity: 0x70,
     },
     // TODO this is not a material
     MaterialDef {
@@ -93,6 +115,9 @@ static MATERIALS: [MaterialDef; 11] = [
         density: 50,
         form: MaterialForm::Gas,
         sim_update: Some(fire::sim_update),
+
+        emission: (0xFF, 0x00, 0x00, 0x00),
+        opacity: 0x00,
     },
     MaterialDef {
         name: "Smoke",
@@ -100,6 +125,9 @@ static MATERIALS: [MaterialDef; 11] = [
         density: 15,
         form: MaterialForm::Gas,
         sim_update: Some(gas::sim_update),
+
+        emission: (0x00, 0x00, 0x00, 0x00),
+        opacity: 0x10,
     },
     MaterialDef {
         name: "Steel",
@@ -107,6 +135,9 @@ static MATERIALS: [MaterialDef; 11] = [
         density: 150,
         form: MaterialForm::Solid,
         sim_update: None,
+
+        emission: (0x00, 0x00, 0x00, 0x00),
+        opacity: 0xE0,
     },
     MaterialDef {
         name: "TNT",
@@ -114,6 +145,9 @@ static MATERIALS: [MaterialDef; 11] = [
         density: 55,
         form: MaterialForm::Solid,
         sim_update: None,
+
+        emission: (0x00, 0x00, 0x00, 0x00),
+        opacity: 0xE0,
     },
     MaterialDef {
         name: "Cloth",
@@ -121,6 +155,9 @@ static MATERIALS: [MaterialDef; 11] = [
         density: 25,
         form: MaterialForm::Solid,
         sim_update: None,
+
+        emission: (0x00, 0x00, 0x00, 0x00),
+        opacity: 0xE0,
     },
 ];