joystick support

src/main/java/dev/isxander/controlify/bindings/JoystickAxisBind.java

@@ -0,0 +1,88 @@
+package dev.isxander.controlify.bindings;
+
+import com.google.gson.JsonObject;
+import com.mojang.blaze3d.vertex.PoseStack;
+import dev.isxander.controlify.controller.Controller;
+import dev.isxander.controlify.controller.joystick.JoystickController;
+import dev.isxander.controlify.controller.joystick.JoystickState;
+import dev.isxander.controlify.gui.DrawSize;
+import net.minecraft.client.Minecraft;
+import net.minecraft.network.chat.Component;
+
+import java.util.Objects;
+
+public class JoystickAxisBind implements IBind<JoystickState> {
+    public static final String BIND_ID = "joystick_axis";
+
+    private final JoystickController joystick;
+    private final int axisIndex;
+    private final AxisDirection direction;
+
+    public JoystickAxisBind(JoystickController joystick, int axisIndex, AxisDirection direction) {
+        this.joystick = joystick;
+        this.axisIndex = axisIndex;
+        this.direction = direction;
+    }
+
+    @Override
+    public float state(JoystickState state) {
+        var rawState = state.axes().get(axisIndex);
+        return switch (direction) {
+            case POSITIVE -> Math.max(0, rawState);
+            case NEGATIVE -> -Math.min(0, rawState);
+        };
+    }
+
+    @Override
+    public void draw(PoseStack matrices, int x, int centerY, Controller<JoystickState, ?> controller) {
+        var font = Minecraft.getInstance().font;
+        font.drawShadow(matrices, getTempButtonName(), x + 1.5f, centerY - font.lineHeight / 2f, 0xFFFFFF);
+    }
+
+    @Override
+    public DrawSize drawSize() {
+        var font = Minecraft.getInstance().font;
+        return new DrawSize(font.width(getTempButtonName()) + 3, font.lineHeight);
+    }
+
+    private Component getTempButtonName() {
+        var axis = joystick.mapping().axis(axisIndex);
+        return Component.empty()
+                .append(axis.name())
+                .append(" ")
+                .append(axis.getDirectionName(axisIndex, direction));
+    }
+
+    @Override
+    public JsonObject toJson() {
+        JsonObject object = new JsonObject();
+        object.addProperty("type", BIND_ID);
+        object.addProperty("axis", axisIndex);
+        object.addProperty("direction", direction.name());
+        return object;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        JoystickAxisBind that = (JoystickAxisBind) o;
+        return axisIndex == that.axisIndex && direction == that.direction;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(axisIndex, direction);
+    }
+
+    public static JoystickAxisBind fromJson(JsonObject object, JoystickController joystick) {
+        var axisIndex = object.get("axis").getAsInt();
+        var direction = AxisDirection.valueOf(object.get("direction").getAsString());
+        return new JoystickAxisBind(joystick, axisIndex, direction);
+    }
+
+    public enum AxisDirection {
+        POSITIVE,
+        NEGATIVE
+    }
+}