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package dev.isxander.yacl.gui.controllers;
import dev.isxander.yacl.api.Controller;
import dev.isxander.yacl.api.NameableEnum;
import dev.isxander.yacl.api.Option;
import dev.isxander.yacl.api.utils.Dimension;
import dev.isxander.yacl.gui.YACLScreen;
import net.minecraft.client.gui.screen.Screen;
import net.minecraft.text.Text;
import org.jetbrains.annotations.ApiStatus;
import org.lwjgl.glfw.GLFW;
import java.util.function.Function;
/**
* Simple controller type that displays the enum on the right.
* <p>
* Cycles forward with left click, cycles backward with right click or when shift is held
*
* @param <T> enum type
*/
public class EnumController<T extends Enum<T>> implements Controller<T> {
private final Option<T> option;
private final Function<T, Text> valueFormatter;
private final Class<T> enumClass;
/**
* Constructs a cycling enum controller with a default value formatter.
* The default value formatter first searches if the
* enum is a {@link NameableEnum} else, just use {@link Enum#name()}
*
* @param option bound option
* @param enumClass class of enum
*/
public EnumController(Option<T> option, Class<T> enumClass) {
this(option, enumClass, value -> {
if (value instanceof NameableEnum nameableEnum)
return nameableEnum.getDisplayName();
return Text.of(value.name());
});
}
/**
* Constructs a cycling enum controller.
*
* @param option bound option
* @param enumClass class of enum
* @param valueFormatter format the enum into any {@link Text}
*/
public EnumController(Option<T> option, Class<T> enumClass, Function<T, Text> valueFormatter) {
this.option = option;
this.valueFormatter = valueFormatter;
this.enumClass = enumClass;
}
/**
* {@inheritDoc}
*/
@Override
public Option<T> option() {
return option;
}
/**
* {@inheritDoc}
*/
@Override
public Text formatValue() {
return valueFormatter.apply(option().pendingValue());
}
/**
* {@inheritDoc}
*/
@Override
public ControllerWidget<EnumController<T>> provideWidget(YACLScreen screen, Dimension<Integer> widgetDimension) {
return new EnumControllerElement<>(this, screen, widgetDimension, enumClass.getEnumConstants());
}
@ApiStatus.Internal
public static class EnumControllerElement<T extends Enum<T>> extends ControllerWidget<EnumController<T>> {
private final T[] values;
public EnumControllerElement(EnumController<T> control, YACLScreen screen, Dimension<Integer> dim, T[] values) {
super(control, screen, dim);
this.values = values;
}
public void cycleValue(int increment) {
int targetIdx = control.option().pendingValue().ordinal() + increment;
if (targetIdx >= values.length) {
targetIdx -= values.length;
} else if (targetIdx < 0) {
targetIdx += values.length;
}
control.option().requestSet(values[targetIdx]);
}
@Override
public boolean mouseClicked(double mouseX, double mouseY, int button) {
if (!isMouseOver(mouseX, mouseY) || (button != 0 && button != 1))
return false;
playDownSound();
cycleValue(button == 1 || Screen.hasShiftDown() || Screen.hasControlDown() ? -1 : 1);
return true;
}
@Override
public boolean keyPressed(int keyCode, int scanCode, int modifiers) {
switch (keyCode) {
case GLFW.GLFW_KEY_LEFT, GLFW.GLFW_KEY_DOWN ->
cycleValue(-1);
case GLFW.GLFW_KEY_RIGHT, GLFW.GLFW_KEY_UP ->
cycleValue(1);
case GLFW.GLFW_KEY_ENTER, GLFW.GLFW_KEY_SPACE, GLFW.GLFW_KEY_KP_ENTER ->
cycleValue(Screen.hasControlDown() || Screen.hasShiftDown() ? -1 : 1);
default -> {
return false;
}
}
return true;
}
@Override
protected int getHoveredControlWidth() {
return getUnhoveredControlWidth();
}
}
}
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