feat: rework input system to be more generic towards keycodes

1 files changed, 23 insertions, 0 deletions

diff --git a/src/main/kotlin/keybindings/FirmamentKeyboardState.kt b/src/main/kotlin/keybindings/FirmamentKeyboardState.kt
new file mode 100644
index 0000000..65288bc
--- /dev/null
+++ b/src/main/kotlin/keybindings/FirmamentKeyboardState.kt
@@ -0,0 +1,23 @@
+package moe.nea.firmament.keybindings
+
+import java.util.BitSet
+import org.lwjgl.glfw.GLFW
+
+object FirmamentKeyboardState {
+
+	private val pressedScancodes = BitSet()
+
+	@Synchronized
+	fun isScancodeDown(scancode: Int): Boolean {
+		// TODO: maintain a record of keycodes that were pressed for this scanCode to check if they are still held
+		return pressedScancodes.get(scancode)
+	}
+
+	@Synchronized
+	fun maintainState(key: Int, scancode: Int, action: Int, modifiers: Int) {
+		when (action) {
+			GLFW.GLFW_PRESS -> pressedScancodes.set(scancode)
+			GLFW.GLFW_RELEASE -> pressedScancodes.clear(scancode)
+		}
+	}
+}