Traders come through the portal and sell rune plans, rare creatures, wood and mana

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

src/gfx.rs

@@ -1574,6 +1574,19 @@ fn sprite_rows(k: EK) -> [&'static str; 10] {
             "...y..y...",
             "..........",
         ],
+        // trader: a hooded merchant with a big pack and a lantern
+        EK::Trader => [
+            "...kkk....",
+            "..kPPPk.BB",
+            ".kPfefPkBb",
+            ".kPffffkBb",
+            "..kPPPPkBB",
+            ".kPPyPPPk.",
+            "ykPPPPPPk.",
+            "o.kPPPPk..",
+            "..kPk.kPk.",
+            "..kk...kk.",
+        ],
         // cave bear: shaggy brown fur, small yellow eyes
         EK::CaveBear => [
             ".kk....kk.",
@@ -1708,7 +1721,7 @@ fn pal(ch: char) -> Option<Color> {
     })
 }
 
-pub const SPRITE_KINDS: [EK; 26] = [
+pub const SPRITE_KINDS: [EK; 27] = [
     EK::Worker,
     EK::Kobold,
     EK::Spider,
@@ -1735,6 +1748,7 @@ pub const SPRITE_KINDS: [EK; 26] = [
     EK::Catapult,
     EK::CaveBear,
     EK::Beetle,
+    EK::Trader,
 ];
 // width of the sprite texture in pixels
 pub const SPRITE_TEX_W: f32 = (SPRITE_KINDS.len() * 12) as f32;