Map tweaks.

Rain particle experiment.

This was SVN commit r9564.

binaries/data/mods/public/art/actors/particle/rain_shower.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<actor version="1">
+  <group>
+    <variant name="Rain Shower">
+      <particles file="rain.xml"/>
+    </variant>
+  </group>
+  <material>basic_trans.xml</material>
+</actor>

binaries/data/mods/public/art/actors/temp/wallring.xml

@@ -2,7 +2,7 @@
 <actor version="1">
   <group>
     <variant>
-      <decal width="260" depth="260" angle="0" offsetx="0" offsetz="0"/>
+      <decal width="300" depth="300" angle="0" offsetx="0" offsetz="0"/>
       <texture>temp/wallring.dds</texture>
     </variant>
   </group>

binaries/data/mods/public/art/particles/rain.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<particles>
+
+    <texture>art/textures/particles/raindrop.png</texture>
+    <blend mode="over"/>
+
+    <constant name="emissionrate" value="256.0"/>
+    <uniform name="lifetime" min="4.0" max="5.0"/>
+
+    <uniform name="position.x" min="-50.0" max="50.0"/>
+    <uniform name="position.z" min="-50.0" max="50.0"/>
+    <uniform name="position.y" min="70.0" max="60.0"/>
+
+    <uniform name="velocity.x" min="-0.5" max="-0.75"/>
+    <uniform name="velocity.y" min="-1.5" max="-2.0"/>
+
+    <uniform name="size" min="0.2" max="0.25"/>
+
+    <force y="-4.0"/>
+
+</particles>