committed Doug's Rocksim loader

[debian/openrocket] / src / net / sf / openrocket / file / rocksim / RocksimLocationMode.java

diff --git a/src/net/sf/openrocket/file/rocksim/RocksimLocationMode.java b/src/net/sf/openrocket/file/rocksim/RocksimLocationMode.java
new file mode 100644 (file)
index 0000000..4b30703
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+++ b/src/net/sf/openrocket/file/rocksim/RocksimLocationMode.java
@@ -0,0 +1,59 @@
+/*
+ * RocksimLocationMode.java
+ */
+package net.sf.openrocket.file.rocksim;
+
+import net.sf.openrocket.rocketcomponent.RocketComponent;
+
+/**
+ * Models the relative position of parts on a rocket.  Maps from Rocksim's notion to OpenRocket's.
+ */
+enum RocksimLocationMode {
+    FRONT_OF_OWNING_PART (0, RocketComponent.Position.TOP),
+    FROM_TIP_OF_NOSE     (1, RocketComponent.Position.ABSOLUTE),
+    BACK_OF_OWNING_PART  (2, RocketComponent.Position.BOTTOM);
+
+    /** The value Rocksim uses internally (and in the XML file). */
+    private final int ordinal;
+    
+    /** The OpenRocket position equivalent. */
+    private final RocketComponent.Position position;
+
+    /**
+     * Constructor.
+     * 
+     * @param idx   the rocksim enum value
+     * @param theOpenRocketPosition  the corresponding OpenRocket position
+     */
+    RocksimLocationMode(int idx, RocketComponent.Position theOpenRocketPosition) {
+        ordinal = idx;
+        position = theOpenRocketPosition;
+    }
+
+    /**
+     * Get the OpenRocket position.
+     * 
+     * @return  the position instance
+     */
+    public RocketComponent.Position asOpenRocket() {
+        return position;
+    }
+
+    /**
+     * Lookup an instance of this class from a rocksim enum value.
+     * 
+     * @param rocksimCode  the rocksim enum value
+     * 
+     * @return an instance of this enum
+     */
+    public static RocksimLocationMode fromCode(int rocksimCode) {
+        RocksimLocationMode[] values = values();
+        for (RocksimLocationMode value : values) {
+            if (value.ordinal == rocksimCode) {
+                return value;
+            }
+        }
+        return FRONT_OF_OWNING_PART;
+    }
+
+}
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