add client setting for auto centering

megamek/i18n/megamek/client/messages.properties

@@ -1295,6 +1295,8 @@ CommonSettingsDialog.unitDisplayHeatToolTip=Max heat value for each level
 CommonSettingsDialog.unitTooltipMaxWidth=Max Width for Unit Tooltip
 CommonSettingsDialog.unitTooltipMaxWidth.tooltip=keeps tool tip from growing too wide
 CommonSettingsDialog.useAverageSkills=Use the current random skill settings when adding units in the lobby.
+CommonSettingsDialog.useAutoCenter.tooltip=User initiated centering still applies
+CommonSettingsDialog.useAutoCenter=Use automatic unit centering on the board
 CommonSettingsDialog.useCamoOverlay=Use Camo Overlay
 CommonSettingsDialog.useInclines=Show incline highlighting and shadows at hex borders
 CommonSettingsDialog.useShadowMap=Show terrain and building shadows

megamek/src/megamek/client/ui/swing/CommonSettingsDialog.java

@@ -184,6 +184,7 @@ private <T> void moveElement(DefaultListModel<T> srcModel, int srcIndex, int trg
     private final JCheckBox dockMultipleOnYAxis = new JCheckBox(Messages.getString("CommonSettingsDialog.dockMultipleOnYAxis"));
     private final JCheckBox useCamoOverlay = new JCheckBox(Messages.getString("CommonSettingsDialog.useCamoOverlay"));
     private final JCheckBox useSoftCenter = new JCheckBox(Messages.getString("CommonSettingsDialog.useSoftCenter"));
+    private final JCheckBox useAutoCenter = new JCheckBox(Messages.getString("CommonSettingsDialog.useAutoCenter"));
     private final JCheckBox levelhighlight = new JCheckBox(Messages.getString("CommonSettingsDialog.levelHighlight"));
     private final JCheckBox shadowMap = new JCheckBox(Messages.getString("CommonSettingsDialog.useShadowMap"));
     private final JCheckBox hexInclines = new JCheckBox(Messages.getString("CommonSettingsDialog.useInclines"));
@@ -584,6 +585,7 @@ private JPanel getGameBoardPanel() {
         comps.add(checkboxEntry(showUnitId, null));
         comps.add(checkboxEntry(entityOwnerColor, Messages.getString("CommonSettingsDialog.entityOwnerColor.tooltip")));
         comps.add(checkboxEntry(useSoftCenter, Messages.getString("CommonSettingsDialog.useSoftCenter.tooltip")));
+        comps.add(checkboxEntry(useAutoCenter, Messages.getString("CommonSettingsDialog.useAutoCenter.tooltip")));
 
         row = new ArrayList<>();
         csbUnitTextColor = new ColourSelectorButton(Messages.getString("CommonSettingsDialog.colors.UnitTextColor"));
@@ -1603,6 +1605,7 @@ public void setVisible(boolean visible) {
             shadowMap.setSelected(GUIP.getShadowMap());
             hexInclines.setSelected(GUIP.getHexInclines());
             useSoftCenter.setSelected(GUIP.getSoftCenter());
+            useAutoCenter.setSelected(GUIP.getAutoCenter());
             entityOwnerColor.setSelected(GUIP.getUnitLabelBorder());
             teamColoring.setSelected(GUIP.getTeamColoring());
 
@@ -2013,6 +2016,7 @@ protected void okAction() {
         GUIP.setShadowMap(shadowMap.isSelected());
         GUIP.setHexInclines(hexInclines.isSelected());
         GUIP.setSoftcenter(useSoftCenter.isSelected());
+        GUIP.setAutocenter(useAutoCenter.isSelected());
         GUIP.setGameSummaryBoardView(gameSummaryBV.isSelected());
         GUIP.setGameSummaryMinimap(gameSummaryMM.isSelected());
 

megamek/src/megamek/client/ui/swing/GUIPreferences.java

@@ -118,6 +118,7 @@ public class GUIPreferences extends PreferenceStoreProxy {
     public static final String FLOATINGISO = "FloatingIsometric";
     public static final String MMSYMBOL = "MmSymbol";
     public static final String SOFTCENTER = "SoftCenter";
+    public static final String AUTOCENTER = "AutoCenter";
     public static final String AUTO_END_FIRING = "AutoEndFiring";
     public static final String AUTO_DECLARE_SEARCHLIGHT = "AutoDeclareSearchlight";
 
@@ -694,6 +695,7 @@ protected GUIPreferences() {
         store.setDefault(SHOW_DAMAGE_DECAL, true);
         store.setDefault(SKIN_FILE, "BW - Default.xml");
         store.setDefault(SOFTCENTER, false);
+        store.setDefault(AUTOCENTER, true);
         store.setDefault(UI_THEME, UIManager.getSystemLookAndFeelClassName());
 
         store.setDefault(RAT_TECH_LEVEL, 0);
@@ -1469,6 +1471,10 @@ public boolean getSoftCenter() {
         return store.getBoolean(SOFTCENTER);
     }
 
+    public boolean getAutoCenter() {
+        return store.getBoolean(AUTOCENTER);
+    }
+
     public boolean getNoSaveNag() {
         return store.getBoolean(ADVANCED_NO_SAVE_NAG);
     }
@@ -2214,6 +2220,10 @@ public void setSoftcenter(boolean b) {
         store.setValue(SOFTCENTER, b);
     }
 
+    public void setAutocenter(boolean b) {
+        store.setValue(AUTOCENTER, b);
+    }
+
     public void setAsCardFont(String asCardFont) {
         store.setValue(AS_CARD_FONT, asCardFont);
     }

megamek/src/megamek/client/ui/swing/boardview/BoardView.java

@@ -995,7 +995,10 @@ void addMovingUnit(Entity entity, Vector<UnitLocation> movePath) {
 
             // Center on the starting hex of the moving unit.
             UnitLocation loc = movePath.get(0);
-            centerOnHex(loc.getCoords());
+
+            if (GUIP.getAutoCenter()) {
+                centerOnHex(loc.getCoords());
+            }
         }
     }