[Alpha 27][Art] Begin to add subterranean platforms for structures. This adds one to the Athenian Wonder.

This was SVN commit r27119.

binaries/data/mods/public/art/actors/props/structures/platforms/rock_26x55.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<actor version="1">
+  <castshadow/>
+  <group>
+    <variant>
+      <mesh>props/structural/platform_parth.dae</mesh>
+      <textures>
+        <texture file="structural/rock_wall_diff.png" name="baseTex"/>
+        <texture file="structural/rock_wall_norm.png" name="normTex"/>
+        <texture file="structural/rock_wall_spec.png" name="specTex"/>
+      </textures>
+    </variant>
+  </group>
+<material>player_trans_parallax_spec.xml</material>
+</actor>

binaries/data/mods/public/art/actors/props/structures/platforms/stone_26x55.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<actor version="1">
+  <castshadow/>
+  <group>
+    <variant>
+      <mesh>props/structural/platform_parth.dae</mesh>
+      <textures>
+        <texture file="structural/stone_wall_diff.png" name="baseTex"/>
+        <texture file="structural/stone_wall_norm.png" name="normTex"/>
+        <texture file="structural/stone_wall_spec.png" name="specTex"/>
+      </textures>
+    </variant>
+  </group>
+<material>player_trans_parallax_spec.xml</material>
+</actor>

binaries/data/mods/public/art/actors/structures/hellenes/temple_epic.xml

@@ -10,6 +10,7 @@
         <prop actor="props/structures/hellenes/parth_roof.xml" attachpoint="root"/>
         <prop actor="props/structures/hellenes/parth_walls.xml" attachpoint="root"/>
         <prop actor="props/structures/hellenes/parth_antefixes.xml" attachpoint="root"/>
+        <prop actor="props/structures/platforms/stone_26x55.xml" attachpoint="root"/>
       </props>
       <textures>
         <texture file="structural/hele_struct.dds" name="baseTex"/>