Various fixes to support negative tile coordinates; created sparse miso

scene model and associated business to store scene data in an arbitrary set of blocks rather than fixed arrays; finally stuck a fork in scene width and height as well as view width and height along with origin offset and a few other now obsolete bits. git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@2434 542714f4-19e9-0310-aa3c-eee0fc999fb1
2003-04-19 22:40:34 +00:00
parent 95b19feb51
commit 3c94cd67f6
11 changed files with 678 additions and 126 deletions
@@ -0,0 +1,68 @@
+//
+// $Id: SparseMisoSceneRuleSet.java,v 1.1 2003/04/19 22:40:34 mdb Exp $
+
+package com.threerings.miso.tools.xml;
+
+import java.util.ArrayList;
+import org.xml.sax.Attributes;
+
+import org.apache.commons.digester.Digester;
+import org.apache.commons.digester.Rule;
+
+import com.samskivert.xml.CallMethodSpecialRule;
+import com.samskivert.xml.SetFieldRule;
+import com.samskivert.xml.SetPropertyFieldsRule;
+
+import com.threerings.tools.xml.NestableRuleSet;
+
+import com.threerings.miso.data.ObjectInfo;
+import com.threerings.miso.data.SparseMisoSceneModel.Section;
+import com.threerings.miso.data.SparseMisoSceneModel;
+
+/**
+ * Used to parse a {@link SparseMisoSceneModel} from XML.
+ */
+public class SparseMisoSceneRuleSet implements NestableRuleSet
+{
+    // documentation inherited from interface
+    public String getOuterElement ()
+    {
+        return SparseMisoSceneWriter.OUTER_ELEMENT;
+    }
+
+    // documentation inherited from interface
+    public void addRuleInstances (String prefix, Digester dig)
+    {
+        // this creates the appropriate instance when we encounter our
+        // prefix tag
+        dig.addRule(prefix, new Rule(dig) {
+            public void begin (Attributes attributes) throws Exception {
+                digester.push(createMisoSceneModel());
+            }
+            public void end () throws Exception {
+                digester.pop();
+            }
+        });
+
+        // set up rules to parse and set our fields
+        dig.addRule(prefix + "/swidth", new SetFieldRule(dig, "swidth"));
+        dig.addRule(prefix + "/sheight", new SetFieldRule(dig, "sheight"));
+
+        String sprefix = prefix + "/sections/section";
+        dig.addObjectCreate(sprefix, Section.class.getName());
+        dig.addRule(sprefix, new SetPropertyFieldsRule(dig));
+        dig.addRule(sprefix + "/base", new SetFieldRule(dig, "baseTileIds"));
+        dig.addObjectCreate(sprefix + "/objects/object",
+                            ObjectInfo.class.getName());
+        dig.addRule(sprefix + "/objects/object",
+                    new SetPropertyFieldsRule(dig));
+        dig.addSetNext(sprefix + "/objects/object", "addObject",
+                       ObjectInfo.class.getName());
+        dig.addSetNext(sprefix, "setSection", Section.class.getName());
+    }
+
+    protected SparseMisoSceneModel createMisoSceneModel ()
+    {
+        return new SparseMisoSceneModel();
+    }
+}