initial commit

java/src/game/IntVar.java

@@ -0,0 +1,92 @@
+package game;
+
+import java.lang.reflect.Field;
+
+import game.color.TextColor;
+
+public class IntVar extends BaseVar {
+	public static interface IntFunction extends VarFunction {
+		void apply(IntVar cv, int value);
+	}
+
+	private final String unit;
+	private final int precision;
+	private final IntFunction func;
+	private final int min;
+	private final int max;
+	private final int def;
+	
+	public IntVar(String name, String display, Field field, Object object, CVarCategory category, int min, int max, IntFunction func, String unit, int precision) {
+		super(name, display, field, object, category);
+		this.func = func;
+		this.min = min;
+		this.max = max;
+		this.unit = unit;
+		this.precision = precision;
+		try {
+			this.def = field.getInt(object);
+		}
+		catch(IllegalArgumentException | IllegalAccessException e) {
+			throw new RuntimeException(e);
+		}
+	}
+
+	public String getType() {
+		return TextColor.GREEN + "int";
+	}
+	
+	protected Integer parseValue(String str) {
+		return Util.parseInt(str, 0);
+	}
+	
+	protected String formatValue(int value) {
+		return "" + value;
+	}
+	
+	public boolean parse(String str) {
+		Integer value = this.parseValue(str);
+		if(value == null)
+			return false;
+		value = ExtMath.clampi(value, this.min, this.max);
+		try {
+			this.field.setInt(this.object, value);
+		}
+		catch(IllegalArgumentException | IllegalAccessException e) {
+			throw new RuntimeException(e);
+		}
+		if(this.func != null)
+			this.func.apply(this, value);
+		return true;
+	}
+	
+	public String format() {
+		try {
+			return this.formatValue(this.field.getInt(this.object));
+		}
+		catch(IllegalArgumentException | IllegalAccessException e) {
+			throw new RuntimeException(e);
+		}
+	}
+	
+	public String getDefault() {
+		return this.formatValue(this.def);
+	}
+	
+	public String getValues() {
+		return this.min == Integer.MIN_VALUE && this.max == Integer.MAX_VALUE ? null : ((this.min == Integer.MIN_VALUE ? "" : ("" + this.min)) + 
+				".." + (this.max == Integer.MAX_VALUE ? "" : ("" + this.max)));
+	}
+	
+	public Slider selector(int x, int y, int w, int h) {
+		try {
+			return new Slider(x, y, w, h, this.precision, this.min, this.max, this.def, this.field.getInt(this.object), new Slider.Callback() {
+				public void use(Slider elem, int value) {
+					IntVar.this.parse(IntVar.this.formatValue(value));
+				}
+			}, this.display, this.unit);
+		}
+		catch(IllegalArgumentException | IllegalAccessException e) {
+			throw new RuntimeException(e);
+		}
+	}
+}