Add client-side keybind for toggling the movement system on/off

- Unbound by default
 - The setting will persist between save/quits (saved to the config)

Closes #11 and closes #17

java/squeek/quakemovement/ModConfig.java

@@ -2,6 +2,7 @@ package squeek.quakemovement;
 
 import java.io.File;
 import net.minecraftforge.common.config.Configuration;
+import net.minecraftforge.common.config.Property;
 
 public class ModConfig
 {
@@ -59,6 +60,11 @@ public class ModConfig
 	private static final String MAX_AIR_ACCEL_PER_TICK_NAME = "maxAirAccelerationPerTick";
 	private static final double MAX_AIR_ACCEL_PER_TICK_DEFAULT = 0.045D;
 
+	public static boolean ENABLED;
+	private static Property ENABLED_PROPERTY;
+	private static final String ENABLED_NAME = "enabled";
+	private static final boolean ENABLED_DEFAULT = true;
+
 	private static Configuration config;
 
 	public static void init(File file)
@@ -84,6 +90,16 @@ public class ModConfig
 
 		INCREASED_FALL_DISTANCE = (float) (config.get(CATEGORY_MOVEMENT, INCREASED_FALL_DISTANCE_NAME, INCREASED_FALL_DISTANCE_DEFAULT, "increases the distance needed to fall in order to take fall damage; this is a server-side setting").getDouble(INCREASED_FALL_DISTANCE_DEFAULT));
 
+		ENABLED_PROPERTY = config.get(CATEGORY_MOVEMENT, ENABLED_NAME, ENABLED_DEFAULT, "turns off/on the quake-style movement for the client (essentially the saved value of the ingame toggle keybind)");
+		ENABLED = ENABLED_PROPERTY.getBoolean(ENABLED_DEFAULT);
+
+		save();
+	}
+
+	public static void setEnabled(boolean enabled)
+	{
+		ModConfig.ENABLED = enabled;
+		ENABLED_PROPERTY.set(enabled);
 		save();
 	}
 

java/squeek/quakemovement/ModQuakeMovement.java

@@ -26,6 +26,10 @@ public class ModQuakeMovement
 	{
 		ModConfig.init(event.getSuggestedConfigurationFile());
 		MinecraftForge.EVENT_BUS.register(this);
+		if (event.getSide() == Side.CLIENT)
+		{
+			MinecraftForge.EVENT_BUS.register(new ToggleKeyHandler());
+		}
 	}
 
 	@EventHandler

java/squeek/quakemovement/QuakeClientPlayer.java

@@ -48,6 +48,12 @@ public class QuakeClientPlayer extends ClientPlayerBase
 	@Override
 	public void moveEntityWithHeading(float sidemove, float forwardmove)
 	{
+		if (!ModConfig.ENABLED)
+		{
+			super.moveEntityWithHeading(sidemove, forwardmove);
+			return;
+		}
+
 		double d0 = this.player.posX;
 		double d1 = this.player.posY;
 		double d2 = this.player.posZ;
@@ -103,6 +109,12 @@ public class QuakeClientPlayer extends ClientPlayerBase
 	@Override
 	public void moveFlying(float sidemove, float forwardmove, float wishspeed)
 	{
+		if (!ModConfig.ENABLED)
+		{
+			super.moveFlying(sidemove, forwardmove, wishspeed);
+			return;
+		}
+
 		if ((this.player.capabilities.isFlying && this.player.getRidingEntity() == null) || this.player.isInWater() || this.player.isInLava() || this.player.isOnLadder())
 		{
 			super.moveFlying(sidemove, forwardmove, wishspeed);
@@ -121,6 +133,9 @@ public class QuakeClientPlayer extends ClientPlayerBase
 	{
 		super.jump();
 
+		if (!ModConfig.ENABLED)
+			return;
+
 		// undo this dumb thing
 		if (this.player.isSprinting())
 		{

java/squeek/quakemovement/ToggleKeyHandler.java

@@ -0,0 +1,37 @@
+package squeek.quakemovement;
+
+import net.minecraft.client.resources.I18n;
+import net.minecraft.client.settings.KeyBinding;
+import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.util.text.TextComponentString;
+import net.minecraftforge.fml.client.FMLClientHandler;
+import net.minecraftforge.fml.client.registry.ClientRegistry;
+import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;
+import net.minecraftforge.fml.common.gameevent.InputEvent;
+import net.minecraftforge.fml.relauncher.Side;
+import net.minecraftforge.fml.relauncher.SideOnly;
+import org.lwjgl.input.Keyboard;
+
+@SideOnly(Side.CLIENT)
+public class ToggleKeyHandler
+{
+	private static final KeyBinding TOGGLE_KEY = new KeyBinding("squake.key.toggle", Keyboard.CHAR_NONE, ModInfo.MODID);
+
+	static
+	{
+		ClientRegistry.registerKeyBinding(TOGGLE_KEY);
+	}
+
+	@SubscribeEvent
+	public void onKeyEvent(InputEvent.KeyInputEvent event)
+	{
+		if (TOGGLE_KEY.isPressed())
+		{
+			ModConfig.setEnabled(!ModConfig.ENABLED);
+
+			EntityPlayer player = FMLClientHandler.instance().getClientPlayerEntity();
+			String feedback = ModConfig.ENABLED ? I18n.format("squake.key.toggle.enabled") : I18n.format("squake.key.toggle.disabled");
+			player.addChatMessage(new TextComponentString("[" + ModInfo.MODID + "] " + feedback));
+		}
+	}
+}

resources/assets/squake/lang/en_US.lang

@@ -0,0 +1,4 @@
+# Keybinds
+squake.key.toggle=Toggle Movement System On/Off
+squake.key.toggle.enabled=Movement system enabled
+squake.key.toggle.disabled=Movement system disabled