From 30d57d114c88d669b51ae8aa398d9bef7aa80354 Mon Sep 17 00:00:00 2001
From: Stan <stan@wildfiregames.com>
Date: Sun, 22 Sep 2024 18:35:32 +0200
Subject: [PATCH] =?UTF-8?q?=F0=9F=8E=A8=20Allow=20buildings=20to=20adapt?=
 =?UTF-8?q?=20to=20their=20map?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../structures/britons/barracks_struct1.xml   | 22 +++--
 .../celts/blacksmith_armorstand_wood.xml      | 12 +++
 .../celts/blacksmith_bucket_water.xml         | 16 +++-
 .../actors/props/structures/celts/special.xml | 20 ++++-
 .../structures/gauls/farmstead_struct1.xml    | 22 +++--
 .../carthaginians/embassy_celtic.xml          | 12 +++
 .../art/actors/structures/celts/barracks.xml  | 12 +++
 .../actors/structures/celts/civic_centre.xml  | 12 +++
 .../art/actors/structures/celts/dock.xml      | 12 +++
 .../art/actors/structures/celts/farmstead.xml | 22 +++--
 .../art/actors/structures/celts/homestead.xml | 12 +++
 .../art/actors/structures/celts/house.xml     | 20 ++++-
 .../art/actors/structures/celts/hut.xml       | 12 +++
 .../art/actors/structures/celts/kennel.xml    | 22 +++--
 .../actors/structures/celts/market_newest.xml | 20 ++++-
 .../actors/structures/celts/plot_corral.xml   | 12 +++
 .../actors/structures/celts/storehouse.xml    | 12 +++
 .../art/actors/structures/celts/temple.xml    | 14 +++-
 .../art/actors/structures/fndn_celt_dock.xml  | 12 +++
 .../actors/structures/gauls/civic_centre.xml  | 12 +++
 .../art/actors/structures/gauls/house.xml     | 12 +++
 .../art/actors/structures/gauls/market.xml    | 12 +++
 .../actors/structures/gauls/scout_tower.xml   | 12 +++
 .../maps/skirmishes/alpine_valleys_2p.xml     |  4 +-
 .../simulation/components/BiomeManager.js     | 43 ++++++++++
 .../simulation/components/BiomeReplacer.js    | 83 +++++++++++++++++++
 .../components/interfaces/BiomeManager.js     |  1 +
 .../components/interfaces/BiomeReplacer.js    |  1 +
 .../public/simulation/helpers/InitGame.js     |  5 ++
 .../templates/special/filter/construction.xml |  1 +
 .../templates/special/filter/preview.xml      |  1 +
 .../templates/structures/gaul/house.xml       |  8 ++
 32 files changed, 456 insertions(+), 37 deletions(-)
 create mode 100644 binaries/data/mods/public/simulation/components/BiomeManager.js
 create mode 100644 binaries/data/mods/public/simulation/components/BiomeReplacer.js
 create mode 100644 binaries/data/mods/public/simulation/components/interfaces/BiomeManager.js
 create mode 100644 binaries/data/mods/public/simulation/components/interfaces/BiomeReplacer.js

diff --git a/binaries/data/mods/public/art/actors/props/structures/britons/barracks_struct1.xml b/binaries/data/mods/public/art/actors/props/structures/britons/barracks_struct1.xml
index 9398e265c3..d3f64ac5d7 100644
--- a/binaries/data/mods/public/art/actors/props/structures/britons/barracks_struct1.xml
+++ b/binaries/data/mods/public/art/actors/props/structures/britons/barracks_struct1.xml
@@ -5,11 +5,23 @@
     <variant frequency="100" name="Base">
       <mesh>props/brit_barracks_struct1.dae</mesh>
       <textures>
-	    <texture file="structural/celt_struct_1.dds" name="baseTex"/>
-	    <texture file="structural/celt_struct_1_norm.png" name="normTex"/>
-	    <texture file="structural/celt_struct_1_spec.png" name="specTex"/>
-		<texture file="structural/ao/brit_barracks.png" name="aoTex"/>
-	  </textures>
+        <texture file="structural/celt_struct_1.dds" name="baseTex"/>
+        <texture file="structural/celt_struct_1_norm.png" name="normTex"/>
+        <texture file="structural/celt_struct_1_spec.png" name="specTex"/>
+        <texture file="structural/ao/brit_barracks.png" name="aoTex"/>
+      </textures>
+    </variant>
+  </group>
+  <group>
+    <variant name="summer" frequency="1">
+      <textures>
+        <texture file="structural/celt_struct_1.dds" name="baseTex"/>
+      </textures>
+    </variant>
+    <variant name="winter" frequency="0">
+      <textures>
+        <texture file="structural/celt_struct_1_snow.dds" name="baseTex"/>
+      </textures>
     </variant>
   </group>
   <material>player_trans_ao_parallax_spec.xml</material>
diff --git a/binaries/data/mods/public/art/actors/props/structures/celts/blacksmith_armorstand_wood.xml b/binaries/data/mods/public/art/actors/props/structures/celts/blacksmith_armorstand_wood.xml
index 38256a3b05..beb9893130 100644
--- a/binaries/data/mods/public/art/actors/props/structures/celts/blacksmith_armorstand_wood.xml
+++ b/binaries/data/mods/public/art/actors/props/structures/celts/blacksmith_armorstand_wood.xml
@@ -11,5 +11,17 @@
       </textures>
     </variant>
   </group>
+  <group>
+    <variant name="summer" frequency="1">
+      <textures>
+        <texture file="structural/celt_struct_1.dds" name="baseTex"/>
+      </textures>
+    </variant>
+    <variant name="winter" frequency="0">
+      <textures>
+        <texture file="structural/celt_struct_1_snow.dds" name="baseTex"/>
+      </textures>
+    </variant>
+  </group>
   <material>player_trans_parallax_spec.xml</material>
 </actor>
diff --git a/binaries/data/mods/public/art/actors/props/structures/celts/blacksmith_bucket_water.xml b/binaries/data/mods/public/art/actors/props/structures/celts/blacksmith_bucket_water.xml
index 416e178384..940b2316a1 100644
--- a/binaries/data/mods/public/art/actors/props/structures/celts/blacksmith_bucket_water.xml
+++ b/binaries/data/mods/public/art/actors/props/structures/celts/blacksmith_bucket_water.xml
@@ -5,8 +5,20 @@
     <variant frequency="1" name="barrels">
       <mesh>props/celt_blacksmith_bucket_water.dae</mesh>
       <textures>
-<texture file="structural/celt_struct_1.dds" name="baseTex"/>
-</textures>
+        <texture file="structural/celt_struct_1.dds" name="baseTex"/>
+      </textures>
+    </variant>
+  </group>
+  <group>
+    <variant name="summer" frequency="1">
+      <textures>
+        <texture file="structural/celt_struct_1.dds" name="baseTex"/>
+      </textures>
+    </variant>
+    <variant name="winter" frequency="0">
+      <textures>
+        <texture file="structural/celt_struct_1_snow.dds" name="baseTex"/>
+      </textures>
     </variant>
   </group>
   <material>player_water.xml</material>
diff --git a/binaries/data/mods/public/art/actors/props/structures/celts/special.xml b/binaries/data/mods/public/art/actors/props/structures/celts/special.xml
index c93dae2b9c..ea0a7e4f34 100644
--- a/binaries/data/mods/public/art/actors/props/structures/celts/special.xml
+++ b/binaries/data/mods/public/art/actors/props/structures/celts/special.xml
@@ -5,10 +5,22 @@
     <variant frequency="100" name="Base">
       <mesh>props/celt_sb_roof.dae</mesh>
       <textures>
-	    <texture file="structural/celt_struct_1.dds" name="baseTex"/>
-	    <texture file="structural/celt_struct_1_norm.png" name="normTex"/>
-	    <texture file="structural/celt_struct_1_spec.png" name="specTex"/>
-	  </textures>
+        <texture file="structural/celt_struct_1.dds" name="baseTex"/>
+        <texture file="structural/celt_struct_1_norm.png" name="normTex"/>
+        <texture file="structural/celt_struct_1_spec.png" name="specTex"/>
+      </textures>
+    </variant>
+  </group>
+  <group>
+    <variant name="summer" frequency="1">
+      <textures>
+        <texture file="structural/celt_struct_1.dds" name="baseTex"/>
+      </textures>
+    </variant>
+    <variant name="winter" frequency="0">
+      <textures>
+        <texture file="structural/celt_struct_1_snow.dds" name="baseTex"/>
+      </textures>
     </variant>
   </group>
   <material>player_trans_parallax_spec.xml</material>
diff --git a/binaries/data/mods/public/art/actors/props/structures/gauls/farmstead_struct1.xml b/binaries/data/mods/public/art/actors/props/structures/gauls/farmstead_struct1.xml
index 8392c5c710..5e84dfdeec 100644
--- a/binaries/data/mods/public/art/actors/props/structures/gauls/farmstead_struct1.xml
+++ b/binaries/data/mods/public/art/actors/props/structures/gauls/farmstead_struct1.xml
@@ -5,11 +5,23 @@
     <variant name="gaul farmstead struct_1">
       <mesh>props/gaul_farmstead_struct1.dae</mesh>
       <textures>
-	    <texture file="structural/celt_struct_1.dds" name="baseTex"/>
-	    <texture file="structural/celt_struct_1_norm.png" name="normTex"/>
-	    <texture file="structural/celt_struct_1_spec.png" name="specTex"/>
-		<texture file="structural/ao/gaul_civic_centre.png" name="aoTex"/>
-	  </textures>
+        <texture file="structural/celt_struct_1.dds" name="baseTex"/>
+        <texture file="structural/celt_struct_1_norm.png" name="normTex"/>
+        <texture file="structural/celt_struct_1_spec.png" name="specTex"/>
+        <texture file="structural/ao/gaul_civic_centre.png" name="aoTex"/>
+      </textures>
+    </variant>
+  </group>
+  <group>
+    <variant name="summer" frequency="1">
+      <textures>
+        <texture file="structural/celt_struct_1.dds" name="baseTex"/>
+      </textures>
+    </variant>
+    <variant name="winter" frequency="0">
+      <textures>
+        <texture file="structural/celt_struct_1_snow.dds" name="baseTex"/>
+      </textures>
     </variant>
   </group>
   <material>player_trans_ao_parallax_spec.xml</material>
diff --git a/binaries/data/mods/public/art/actors/structures/carthaginians/embassy_celtic.xml b/binaries/data/mods/public/art/actors/structures/carthaginians/embassy_celtic.xml
index 411be19333..92a88db1dc 100644
--- a/binaries/data/mods/public/art/actors/structures/carthaginians/embassy_celtic.xml
+++ b/binaries/data/mods/public/art/actors/structures/carthaginians/embassy_celtic.xml
@@ -24,6 +24,18 @@
       </props>
     </variant>
   </group>
+  <group>
+    <variant name="summer" frequency="1">
+      <textures>
+        <texture file="structural/celt_struct_1.dds" name="baseTex"/>
+      </textures>
+    </variant>
+    <variant name="winter" frequency="0">
+      <textures>
+        <texture file="structural/celt_struct_1_snow.dds" name="baseTex"/>
+      </textures>
+    </variant>
+  </group>
   <group>
     <variant name="alive" frequency="1"/>
     <variant file="structures/destruction_medium.xml">
diff --git a/binaries/data/mods/public/art/actors/structures/celts/barracks.xml b/binaries/data/mods/public/art/actors/structures/celts/barracks.xml
index 8f018fb174..045b13511e 100644
--- a/binaries/data/mods/public/art/actors/structures/celts/barracks.xml
+++ b/binaries/data/mods/public/art/actors/structures/celts/barracks.xml
@@ -19,6 +19,18 @@
       </textures>
     </variant>
   </group>
+  <group>
+    <variant name="summer" frequency="1">
+      <textures>
+        <texture file="structural/celt_struct_1.dds" name="baseTex"/>
+      </textures>
+    </variant>
+    <variant name="winter" frequency="0">
+      <textures>
+        <texture file="structural/celt_struct_1_snow.dds" name="baseTex"/>
+      </textures>
+    </variant>
+  </group>
   <group>
     <variant name="ungarrisoned" frequency="1"/>
     <variant name="garrisoned">
diff --git a/binaries/data/mods/public/art/actors/structures/celts/civic_centre.xml b/binaries/data/mods/public/art/actors/structures/celts/civic_centre.xml
index be4d5ad39b..7e3b3930fd 100644
--- a/binaries/data/mods/public/art/actors/structures/celts/civic_centre.xml
+++ b/binaries/data/mods/public/art/actors/structures/celts/civic_centre.xml
@@ -17,6 +17,18 @@
 	  </textures>
     </variant>
   </group>
+  <group>
+    <variant name="summer" frequency="1">
+      <textures>
+        <texture file="structural/celt_struct_1.dds" name="baseTex"/>
+      </textures>
+    </variant>
+    <variant name="winter" frequency="0">
+      <textures>
+        <texture file="structural/celt_struct_1_snow.dds" name="baseTex"/>
+      </textures>
+    </variant>
+  </group>
   <group>
     <variant name="ungarrisoned" frequency="1"/>
     <variant name="garrisoned">
diff --git a/binaries/data/mods/public/art/actors/structures/celts/dock.xml b/binaries/data/mods/public/art/actors/structures/celts/dock.xml
index d83916f7e0..90a9494abb 100644
--- a/binaries/data/mods/public/art/actors/structures/celts/dock.xml
+++ b/binaries/data/mods/public/art/actors/structures/celts/dock.xml
@@ -16,6 +16,18 @@
       </textures>
     </variant>
   </group>
+  <group>
+    <variant name="summer" frequency="1">
+      <textures>
+        <texture file="structural/celt_struct_1.dds" name="baseTex"/>
+      </textures>
+    </variant>
+    <variant name="winter" frequency="0">
+      <textures>
+        <texture file="structural/celt_struct_1_snow.dds" name="baseTex"/>
+      </textures>
+    </variant>
+  </group>
   <group>
     <variant name="alive" frequency="1"/>
     <variant file="structures/destruction_small.xml"/>
diff --git a/binaries/data/mods/public/art/actors/structures/celts/farmstead.xml b/binaries/data/mods/public/art/actors/structures/celts/farmstead.xml
index bd4ee59c24..623e713e46 100644
--- a/binaries/data/mods/public/art/actors/structures/celts/farmstead.xml
+++ b/binaries/data/mods/public/art/actors/structures/celts/farmstead.xml
@@ -11,11 +11,23 @@
         <prop actor="props/structures/decals/farmstead_mud.xml" attachpoint="root"/>
       </props>
       <textures>
-		<texture file="structural/celt_struct_1.dds" name="baseTex"/>
-	    <texture file="structural/celt_struct_1_norm.png" name="normTex"/>
-	    <texture file="structural/celt_struct_1_spec.png" name="specTex"/>
-		<texture file="structural/ao/celt_farmstead.png" name="aoTex"/>
-	  </textures>
+        <texture file="structural/celt_struct_1.dds" name="baseTex"/>
+        <texture file="structural/celt_struct_1_norm.png" name="normTex"/>
+        <texture file="structural/celt_struct_1_spec.png" name="specTex"/>
+        <texture file="structural/ao/celt_farmstead.png" name="aoTex"/>
+      </textures>
+    </variant>
+  </group>
+  <group>
+    <variant name="summer" frequency="1">
+      <textures>
+        <texture file="structural/celt_struct_1.dds" name="baseTex"/>
+      </textures>
+    </variant>
+    <variant name="winter" frequency="0">
+      <textures>
+        <texture file="structural/celt_struct_1_snow.dds" name="baseTex"/>
+      </textures>
     </variant>
   </group>
   <group>
diff --git a/binaries/data/mods/public/art/actors/structures/celts/homestead.xml b/binaries/data/mods/public/art/actors/structures/celts/homestead.xml
index bd1b0564c4..bbf719a586 100644
--- a/binaries/data/mods/public/art/actors/structures/celts/homestead.xml
+++ b/binaries/data/mods/public/art/actors/structures/celts/homestead.xml
@@ -19,6 +19,18 @@
       </textures>
     </variant>
   </group>
+  <group>
+    <variant name="summer" frequency="1">
+      <textures>
+        <texture file="structural/celt_struct_1.dds" name="baseTex"/>
+      </textures>
+    </variant>
+    <variant name="winter" frequency="0">
+      <textures>
+        <texture file="structural/celt_struct_1_snow.dds" name="baseTex"/>
+      </textures>
+    </variant>
+  </group>
   <group>
     <variant name="ungarrisoned" frequency="1"/>
     <variant name="garrisoned">
diff --git a/binaries/data/mods/public/art/actors/structures/celts/house.xml b/binaries/data/mods/public/art/actors/structures/celts/house.xml
index 13dc16b724..b3b8d13061 100644
--- a/binaries/data/mods/public/art/actors/structures/celts/house.xml
+++ b/binaries/data/mods/public/art/actors/structures/celts/house.xml
@@ -24,13 +24,25 @@
       </props>
     </variant>
   </group>
+  <group>
+    <variant name="summer" frequency="1">
+      <textures>
+        <texture file="structural/celt_struct_1.dds" name="baseTex"/>
+      </textures>
+    </variant>
+    <variant name="winter" frequency="0">
+      <textures>
+        <texture file="structural/celt_struct_1_snow.dds" name="baseTex"/>
+      </textures>
+    </variant>
+  </group>
   <group>
     <variant frequency="1" name="texture">
       <textures>
-	    <texture file="structural/celt_struct_1.dds" name="baseTex"/>
-	    <texture file="structural/celt_struct_1_norm.png" name="normTex"/>
-	    <texture file="structural/celt_struct_1_spec.png" name="specTex"/>
-	  </textures>
+        <texture file="structural/celt_struct_1.dds" name="baseTex"/>
+        <texture file="structural/celt_struct_1_norm.png" name="normTex"/>
+        <texture file="structural/celt_struct_1_spec.png" name="specTex"/>
+      </textures>
     </variant>
   </group>
   <group>
diff --git a/binaries/data/mods/public/art/actors/structures/celts/hut.xml b/binaries/data/mods/public/art/actors/structures/celts/hut.xml
index 2f9d0a8772..c24fd8f8d4 100644
--- a/binaries/data/mods/public/art/actors/structures/celts/hut.xml
+++ b/binaries/data/mods/public/art/actors/structures/celts/hut.xml
@@ -15,6 +15,18 @@
       </textures>
     </variant>
   </group>
+  <group>
+    <variant name="summer" frequency="1">
+      <textures>
+        <texture file="structural/celt_struct_1.dds" name="baseTex"/>
+      </textures>
+    </variant>
+    <variant name="winter" frequency="0">
+      <textures>
+        <texture file="structural/celt_struct_1_snow.dds" name="baseTex"/>
+      </textures>
+    </variant>
+  </group>
   <group>
     <variant name="alive" frequency="1"/>
     <variant file="structures/destruction_small.xml">
diff --git a/binaries/data/mods/public/art/actors/structures/celts/kennel.xml b/binaries/data/mods/public/art/actors/structures/celts/kennel.xml
index 3c1ae0b322..af2e343a55 100644
--- a/binaries/data/mods/public/art/actors/structures/celts/kennel.xml
+++ b/binaries/data/mods/public/art/actors/structures/celts/kennel.xml
@@ -11,11 +11,23 @@
         <prop actor="props/structures/celts/kennel_beef.xml" attachpoint="root"/>
       </props>
       <textures>
-	    <texture file="structural/celt_struct_1.dds" name="baseTex"/>
-	    <texture file="structural/celt_struct_1_norm.png" name="normTex"/>
-	    <texture file="structural/celt_struct_1_spec.png" name="specTex"/>
-		<texture file="structural/ao/celt_kennel.png" name="aoTex"/>
-	  </textures>
+        <texture file="structural/celt_struct_1.dds" name="baseTex"/>
+        <texture file="structural/celt_struct_1_norm.png" name="normTex"/>
+        <texture file="structural/celt_struct_1_spec.png" name="specTex"/>
+        <texture file="structural/ao/celt_kennel.png" name="aoTex"/>
+      </textures>
+    </variant>
+  </group>
+  <group>
+    <variant name="summer" frequency="1">
+      <textures>
+        <texture file="structural/celt_struct_1.dds" name="baseTex"/>
+      </textures>
+    </variant>
+    <variant name="winter" frequency="0">
+      <textures>
+        <texture file="structural/celt_struct_1_snow.dds" name="baseTex"/>
+      </textures>
     </variant>
   </group>
   <group>
diff --git a/binaries/data/mods/public/art/actors/structures/celts/market_newest.xml b/binaries/data/mods/public/art/actors/structures/celts/market_newest.xml
index d16a0316e0..7e7414aa1b 100644
--- a/binaries/data/mods/public/art/actors/structures/celts/market_newest.xml
+++ b/binaries/data/mods/public/art/actors/structures/celts/market_newest.xml
@@ -12,10 +12,22 @@
         <prop actor="particle/smoke_light_delay.xml" attachpoint="smoke"/>
       </props>
       <textures>
-	    <texture file="structural/celt_struct_1.dds" name="baseTex"/>
-	    <texture file="structural/celt_struct_1_norm.png" name="normTex"/>
-	    <texture file="structural/celt_struct_1_spec.png" name="specTex"/>
-	  </textures>
+        <texture file="structural/celt_struct_1.dds" name="baseTex"/>
+        <texture file="structural/celt_struct_1_norm.png" name="normTex"/>
+        <texture file="structural/celt_struct_1_spec.png" name="specTex"/>
+      </textures>
+    </variant>
+  </group>
+  <group>
+    <variant name="summer" frequency="1">
+      <textures>
+        <texture file="structural/celt_struct_1.dds" name="baseTex"/>
+      </textures>
+    </variant>
+    <variant name="winter" frequency="0">
+      <textures>
+        <texture file="structural/celt_struct_1_snow.dds" name="baseTex"/>
+      </textures>
     </variant>
   </group>
   <group>
diff --git a/binaries/data/mods/public/art/actors/structures/celts/plot_corral.xml b/binaries/data/mods/public/art/actors/structures/celts/plot_corral.xml
index 99863ec6ae..380facf0c7 100644
--- a/binaries/data/mods/public/art/actors/structures/celts/plot_corral.xml
+++ b/binaries/data/mods/public/art/actors/structures/celts/plot_corral.xml
@@ -18,6 +18,18 @@
       </textures>
     </variant>
   </group>
+  <group>
+    <variant name="summer" frequency="1">
+      <textures>
+        <texture file="structural/celt_struct_1.dds" name="baseTex"/>
+      </textures>
+    </variant>
+    <variant name="winter" frequency="0">
+      <textures>
+        <texture file="structural/celt_struct_1_snow.dds" name="baseTex"/>
+      </textures>
+    </variant>
+  </group>
   <group>
     <variant frequency="1" name="ungarrisoned"/>
     <variant name="garrisoned">
diff --git a/binaries/data/mods/public/art/actors/structures/celts/storehouse.xml b/binaries/data/mods/public/art/actors/structures/celts/storehouse.xml
index 65348d49d1..0d9c4dc6a0 100644
--- a/binaries/data/mods/public/art/actors/structures/celts/storehouse.xml
+++ b/binaries/data/mods/public/art/actors/structures/celts/storehouse.xml
@@ -17,6 +17,18 @@
       </textures>
     </variant>
   </group>
+  <group>
+    <variant name="summer" frequency="1">
+      <textures>
+        <texture file="structural/celt_struct_1.dds" name="baseTex"/>
+      </textures>
+    </variant>
+    <variant name="winter" frequency="0">
+      <textures>
+        <texture file="structural/celt_struct_1_snow.dds" name="baseTex"/>
+      </textures>
+    </variant>
+  </group>
   <group>
     <variant name="alive" frequency="1"/>
     <variant file="structures/destruction_small.xml">
diff --git a/binaries/data/mods/public/art/actors/structures/celts/temple.xml b/binaries/data/mods/public/art/actors/structures/celts/temple.xml
index beb1427513..60b17a3c27 100644
--- a/binaries/data/mods/public/art/actors/structures/celts/temple.xml
+++ b/binaries/data/mods/public/art/actors/structures/celts/temple.xml
@@ -18,7 +18,19 @@
         <texture file="structural/celt_struct_1.dds" name="baseTex"/>
         <texture file="structural/celt_struct_1_norm.png" name="normTex"/>
         <texture file="structural/celt_struct_1_spec.png" name="specTex"/>
-		<texture file="structural/ao/celt_temple.png" name="aoTex"/>
+        <texture file="structural/ao/celt_temple.png" name="aoTex"/>
+      </textures>
+    </variant>
+  </group>
+  <group>
+    <variant name="summer" frequency="1">
+      <textures>
+        <texture file="structural/celt_struct_1.dds" name="baseTex"/>
+      </textures>
+    </variant>
+    <variant name="winter" frequency="0">
+      <textures>
+        <texture file="structural/celt_struct_1_snow.dds" name="baseTex"/>
       </textures>
     </variant>
   </group>
diff --git a/binaries/data/mods/public/art/actors/structures/fndn_celt_dock.xml b/binaries/data/mods/public/art/actors/structures/fndn_celt_dock.xml
index 65e3d2fb73..daa160efe8 100644
--- a/binaries/data/mods/public/art/actors/structures/fndn_celt_dock.xml
+++ b/binaries/data/mods/public/art/actors/structures/fndn_celt_dock.xml
@@ -14,5 +14,17 @@
       </textures>
     </variant>
   </group>
+  <group>
+    <variant name="summer" frequency="1">
+      <textures>
+        <texture file="structural/celt_struct_1.dds" name="baseTex"/>
+      </textures>
+    </variant>
+    <variant name="winter" frequency="0">
+      <textures>
+        <texture file="structural/celt_struct_1_snow.dds" name="baseTex"/>
+      </textures>
+    </variant>
+  </group>
   <material>no_trans_norm_spec.xml</material>
 </actor>
diff --git a/binaries/data/mods/public/art/actors/structures/gauls/civic_centre.xml b/binaries/data/mods/public/art/actors/structures/gauls/civic_centre.xml
index 5ef30b7836..5a097b69c7 100644
--- a/binaries/data/mods/public/art/actors/structures/gauls/civic_centre.xml
+++ b/binaries/data/mods/public/art/actors/structures/gauls/civic_centre.xml
@@ -18,6 +18,18 @@
       </textures>
     </variant>
   </group>
+  <group>
+    <variant name="summer" frequency="1">
+      <textures>
+        <texture file="structural/celt_struct_1.dds" name="baseTex"/>
+      </textures>
+    </variant>
+    <variant name="winter" frequency="0">
+      <textures>
+        <texture file="structural/celt_struct_1_snow.dds" name="baseTex"/>
+      </textures>
+    </variant>
+  </group>
   <group>
     <variant name="ungarrisoned" frequency="1"/>
     <variant name="garrisoned">
diff --git a/binaries/data/mods/public/art/actors/structures/gauls/house.xml b/binaries/data/mods/public/art/actors/structures/gauls/house.xml
index a21084d164..94d23841cd 100644
--- a/binaries/data/mods/public/art/actors/structures/gauls/house.xml
+++ b/binaries/data/mods/public/art/actors/structures/gauls/house.xml
@@ -10,6 +10,18 @@
       </textures>
     </variant>
   </group>
+  <group>
+    <variant name="summer" frequency="1">
+      <textures>
+        <texture file="structural/celt_struct_1.dds" name="baseTex"/>
+      </textures>
+    </variant>
+    <variant name="winter" frequency="0">
+      <textures>
+        <texture file="structural/celt_struct_1_snow.dds" name="baseTex"/>
+      </textures>
+    </variant>
+  </group>
   <group>
     <variant frequency="1" name="gaul house a">
       <mesh>structural/gaul_house_a.dae</mesh>
diff --git a/binaries/data/mods/public/art/actors/structures/gauls/market.xml b/binaries/data/mods/public/art/actors/structures/gauls/market.xml
index 879c358304..cbe4f2bd19 100644
--- a/binaries/data/mods/public/art/actors/structures/gauls/market.xml
+++ b/binaries/data/mods/public/art/actors/structures/gauls/market.xml
@@ -18,6 +18,18 @@
       </textures>
     </variant>
   </group>
+  <group>
+    <variant name="summer" frequency="1">
+      <textures>
+        <texture file="structural/celt_struct_1.dds" name="baseTex"/>
+      </textures>
+    </variant>
+    <variant name="winter" frequency="0">
+      <textures>
+        <texture file="structural/celt_struct_1_snow.dds" name="baseTex"/>
+      </textures>
+    </variant>
+  </group>
   <group>
     <variant name="alive" frequency="1"/>
     <variant file="structures/destruction_medium.xml">
diff --git a/binaries/data/mods/public/art/actors/structures/gauls/scout_tower.xml b/binaries/data/mods/public/art/actors/structures/gauls/scout_tower.xml
index acdb2d2d8e..95088c2ca1 100644
--- a/binaries/data/mods/public/art/actors/structures/gauls/scout_tower.xml
+++ b/binaries/data/mods/public/art/actors/structures/gauls/scout_tower.xml
@@ -33,6 +33,18 @@
       </textures>
     </variant>
   </group>
+  <group>
+    <variant name="summer" frequency="1">
+      <textures>
+        <texture file="structural/celt_struct_1.dds" name="baseTex"/>
+      </textures>
+    </variant>
+    <variant name="winter" frequency="0">
+      <textures>
+        <texture file="structural/celt_struct_1_snow.dds" name="baseTex"/>
+      </textures>
+    </variant>
+  </group>
   <group>
     <variant frequency="1" name="ungarrisoned"/>
     <variant name="garrisoned">
diff --git a/binaries/data/mods/public/maps/skirmishes/alpine_valleys_2p.xml b/binaries/data/mods/public/maps/skirmishes/alpine_valleys_2p.xml
index c2a6e6231f..c0660a6559 100644
--- a/binaries/data/mods/public/maps/skirmishes/alpine_valleys_2p.xml
+++ b/binaries/data/mods/public/maps/skirmishes/alpine_valleys_2p.xml
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:6a2ae0949134027744a90082e70c4c72ff4d5bab269d4fcb07b4bc95cd9254a0
-size 454876
+oid sha256:5132a75874dc063e0da91923bcb67d23520fcadd51cb45cd1355896d0c1e4e99
+size 454915
diff --git a/binaries/data/mods/public/simulation/components/BiomeManager.js b/binaries/data/mods/public/simulation/components/BiomeManager.js
new file mode 100644
index 0000000000..2f534eb387
--- /dev/null
+++ b/binaries/data/mods/public/simulation/components/BiomeManager.js
@@ -0,0 +1,43 @@
+/**
+  * A manager class for biomes.
+  * @class
+  * @constructor
+  */
+function BiomeManager() {}
+
+/**
+ * Defines the XML schema and help strings of the manager.
+ * @memberof BiomeManager
+ */
+BiomeManager.prototype.Schema =
+	"<a:component type='system'/><empty/>";
+
+/**
+ * Initializes the current map's biome.
+ * @memberof BiomeManager
+ */
+BiomeManager.prototype.Init = function()
+{
+    this.biome = "";
+}
+
+/**
+ * Sets the current map's biome.
+ * @param {string} biome - The new biome.
+ * @memberof BiomeManager
+ */
+BiomeManager.prototype.SetBiome = function(biome)
+{
+    this.biome = biome;
+}
+
+/**
+ * Returns the current map's biome.
+ * @memberof BiomeManager
+ */
+BiomeManager.prototype.GetBiome = function()
+{
+	return this.biome;
+}
+
+Engine.RegisterSystemComponentType(IID_BiomeManager, "BiomeManager", BiomeManager);
diff --git a/binaries/data/mods/public/simulation/components/BiomeReplacer.js b/binaries/data/mods/public/simulation/components/BiomeReplacer.js
new file mode 100644
index 0000000000..67462c5fa8
--- /dev/null
+++ b/binaries/data/mods/public/simulation/components/BiomeReplacer.js
@@ -0,0 +1,83 @@
+/**
+  * A manager class for biomes.
+  * @class
+  * @constructor
+  */
+function BiomeReplacer() {}
+
+/**
+ * Defines the XML schema and help strings of the component.
+ * @memberof BiomeReplacer
+ */
+BiomeReplacer.prototype.Schema = `
+	<a:help>Defines the variants an entity can assume depending on a map biome.</a:help>
+	<a:example>
+		<Variants>
+			<Winter>
+				<AffectedBiomes datatype="tokens">generic/alpine</AffectedBiomes>
+				<ActorVariant>winter</ActorVariant>
+			</Winter>
+		</Variants>
+	</a:example>
+	<element name='Variants' a:help='Effect for having multiple builders.'>
+		<oneOrMore>
+			<element a:help='Element containing the variant data.'>
+				<anyName/>
+				<interleave>
+					<element name='AffectedBiomes' a:help='Names of the biomes affected byt this variant'>
+						<attribute name='datatype'>
+							<value>tokens</value>
+						</attribute>
+						<text/>
+					</element>
+					<element name='ActorVariant' a:help='Actor variant to switch to.'>
+						<text/>
+					</element>
+				</interleave>
+			</element>
+		</oneOrMore>
+	</element>`;
+
+/**
+ * Initializes the biome replacer.
+ * @memberof BiomeReplacer
+ */
+BiomeReplacer.prototype.Init = function()
+{
+
+}
+
+
+/**
+ * @param {{ "from": number, "to": number }} msg - Message containing the old new owner.
+ * @memberof BiomeReplacer
+ */
+BiomeReplacer.prototype.OnCreate = function(msg)
+{
+
+		const currentBiome = Engine.QueryInterface(SYSTEM_ENTITY, IID_BiomeManager)?.GetBiome();
+
+		if (!currentBiome)
+			return;
+
+		let cmpVisual = Engine.QueryInterface(this.entity, IID_Visual);
+
+		if (!cmpVisual)
+			return;
+
+		for (const variantName of Object.keys(this.template.Variants))
+		{
+			const variant = this.template.Variants[variantName];
+			if (!variant.AffectedBiomes || !variant.AffectedBiomes._string)
+				continue;
+
+			const affectedBiomes = variant.AffectedBiomes._string.split(" ");
+			if (affectedBiomes.indexOf(currentBiome) !== -1)
+			{
+				cmpVisual.SelectAnimation(variant.ActorVariant, false, 1.0);
+				return;
+			}
+		}
+};
+
+Engine.RegisterComponentType(IID_BiomeReplacer, "BiomeReplacer", BiomeReplacer);
diff --git a/binaries/data/mods/public/simulation/components/interfaces/BiomeManager.js b/binaries/data/mods/public/simulation/components/interfaces/BiomeManager.js
new file mode 100644
index 0000000000..90ca6f9c74
--- /dev/null
+++ b/binaries/data/mods/public/simulation/components/interfaces/BiomeManager.js
@@ -0,0 +1 @@
+Engine.RegisterInterface("BiomeManager");
diff --git a/binaries/data/mods/public/simulation/components/interfaces/BiomeReplacer.js b/binaries/data/mods/public/simulation/components/interfaces/BiomeReplacer.js
new file mode 100644
index 0000000000..ed09a64773
--- /dev/null
+++ b/binaries/data/mods/public/simulation/components/interfaces/BiomeReplacer.js
@@ -0,0 +1 @@
+Engine.RegisterInterface("BiomeReplacer");
diff --git a/binaries/data/mods/public/simulation/helpers/InitGame.js b/binaries/data/mods/public/simulation/helpers/InitGame.js
index b083bc370d..9cff4c07c3 100644
--- a/binaries/data/mods/public/simulation/helpers/InitGame.js
+++ b/binaries/data/mods/public/simulation/helpers/InitGame.js
@@ -41,6 +41,11 @@ function InitGame(settings)
 			cmpRangeManager.ExploreMap(i);
 	}
 
+	if (settings.Biome)
+	{
+		Engine.QueryInterface(SYSTEM_ENTITY, IID_BiomeManager)?.SetBiome(settings.Biome);
+	}
+
 	const cmpAIManager = Engine.QueryInterface(SYSTEM_ENTITY, IID_AIManager);
 	for (let i = 0; i < settings.PlayerData.length; ++i)
 	{
diff --git a/binaries/data/mods/public/simulation/templates/special/filter/construction.xml b/binaries/data/mods/public/simulation/templates/special/filter/construction.xml
index 24b3b2ee51..e6d0e0e1a5 100644
--- a/binaries/data/mods/public/simulation/templates/special/filter/construction.xml
+++ b/binaries/data/mods/public/simulation/templates/special/filter/construction.xml
@@ -5,4 +5,5 @@
   <Ownership merge=""/>
   <Position merge=""/>
   <VisualActor merge=""/>
+  <BiomeReplacer merge=""/>
 </Entity>
diff --git a/binaries/data/mods/public/simulation/templates/special/filter/preview.xml b/binaries/data/mods/public/simulation/templates/special/filter/preview.xml
index 53984d80c9..0b53e6ed7a 100644
--- a/binaries/data/mods/public/simulation/templates/special/filter/preview.xml
+++ b/binaries/data/mods/public/simulation/templates/special/filter/preview.xml
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Entity filtered="">
+  <BiomeReplacer merge=""/>
   <!-- We only want to include components which are necessary (for the visual previewing of an entity)
        and safe (i.e. won't do anything that affects the synchronised simulation state), so additions
        to this list should be carefully considered -->
diff --git a/binaries/data/mods/public/simulation/templates/structures/gaul/house.xml b/binaries/data/mods/public/simulation/templates/structures/gaul/house.xml
index 6306502807..3438322a06 100644
--- a/binaries/data/mods/public/simulation/templates/structures/gaul/house.xml
+++ b/binaries/data/mods/public/simulation/templates/structures/gaul/house.xml
@@ -1,5 +1,13 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Entity parent="template_structure_civic_house">
+  <BiomeReplacer>
+    <Variants>
+      <Winter>
+        <AffectedBiomes datatype="tokens">generic/alpine</AffectedBiomes>
+        <ActorVariant>winter</ActorVariant>
+      </Winter>
+    </Variants>
+  </BiomeReplacer>
   <Identity>
     <Civ>gaul</Civ>
     <SpecificName>Tegia</SpecificName>