Mixed input & Fix multiple issues

- Update to 1.20.4
- Touch can now be used in controller mode (especially nice on Steam Deck)
- Added option to choose between camera modes (Flat vs. Adaptive, addresses #232)
- Fixed broken button binding (#235)

src/main/java/eu/midnightdust/midnightcontrols/client/enums/ButtonState.java

@@ -0,0 +1,48 @@
+/*
+ * Copyright © 2021 LambdAurora <aurora42lambda@gmail.com>
+ *
+ * This file is part of midnightcontrols.
+ *
+ * Licensed under the MIT license. For more information,
+ * see the LICENSE file.
+ */
+
+package eu.midnightdust.midnightcontrols.client.enums;
+
+/**
+ * Represents a button state.
+ *
+ * @author LambdAurora
+ * @version 1.1.0
+ * @since 1.1.0
+ */
+public enum ButtonState {
+    NONE(0),
+    PRESS(1),
+    RELEASE(2),
+    REPEAT(3);
+
+    public final int id;
+
+    ButtonState(int id) {
+        this.id = id;
+    }
+
+    /**
+     * Returns whether this state is a pressed state.
+     *
+     * @return true if this state is a pressed state, else false
+     */
+    public boolean isPressed() {
+        return this == PRESS || this == REPEAT;
+    }
+
+    /**
+     * Returns whether this state is an unpressed state.
+     *
+     * @return true if this state is an unpressed state, else false
+     */
+    public boolean isUnpressed() {
+        return this == RELEASE || this == NONE;
+    }
+}