Initial Commit

src/main/java/net/fretux/knockedback/Config.java

@@ -0,0 +1,60 @@
+package net.fretux.knockedback;
+
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.world.item.Item;
+import net.minecraftforge.common.ForgeConfigSpec;
+import net.minecraftforge.eventbus.api.SubscribeEvent;
+import net.minecraftforge.fml.common.Mod;
+import net.minecraftforge.fml.event.config.ModConfigEvent;
+import net.minecraftforge.registries.ForgeRegistries;
+
+import java.util.List;
+import java.util.Set;
+import java.util.stream.Collectors;
+@Mod.EventBusSubscriber(modid = KnockedBack.MOD_ID, bus = Mod.EventBusSubscriber.Bus.MOD)
+public class Config
+{
+    private static final ForgeConfigSpec.Builder BUILDER = new ForgeConfigSpec.Builder();
+
+    private static final ForgeConfigSpec.BooleanValue LOG_DIRT_BLOCK = BUILDER
+            .comment("Whether to log the dirt block on common setup")
+            .define("logDirtBlock", true);
+
+    private static final ForgeConfigSpec.IntValue MAGIC_NUMBER = BUILDER
+            .comment("A magic number")
+            .defineInRange("magicNumber", 42, 0, Integer.MAX_VALUE);
+
+    public static final ForgeConfigSpec.ConfigValue<String> MAGIC_NUMBER_INTRODUCTION = BUILDER
+            .comment("What you want the introduction message to be for the magic number")
+            .define("magicNumberIntroduction", "The magic number is... ");
+
+    // a list of strings that are treated as resource locations for items
+    private static final ForgeConfigSpec.ConfigValue<List<? extends String>> ITEM_STRINGS = BUILDER
+            .comment("A list of items to log on common setup.")
+            .defineListAllowEmpty("items", List.of("minecraft:iron_ingot"), Config::validateItemName);
+
+    static final ForgeConfigSpec SPEC = BUILDER.build();
+
+    public static boolean logDirtBlock;
+    public static int magicNumber;
+    public static String magicNumberIntroduction;
+    public static Set<Item> items;
+
+    private static boolean validateItemName(final Object obj)
+    {
+        return obj instanceof final String itemName && ForgeRegistries.ITEMS.containsKey(new ResourceLocation(itemName));
+    }
+
+    @SubscribeEvent
+    static void onLoad(final ModConfigEvent event)
+    {
+        logDirtBlock = LOG_DIRT_BLOCK.get();
+        magicNumber = MAGIC_NUMBER.get();
+        magicNumberIntroduction = MAGIC_NUMBER_INTRODUCTION.get();
+
+        // convert the list of strings into a set of items
+        items = ITEM_STRINGS.get().stream()
+                .map(itemName -> ForgeRegistries.ITEMS.getValue(new ResourceLocation(itemName)))
+                .collect(Collectors.toSet());
+    }
+}

src/main/java/net/fretux/knockedback/ExecuteKnockedPacket.java

@@ -0,0 +1,39 @@
+package net.fretux.knockedback;
+
+import net.minecraft.network.FriendlyByteBuf;
+import net.minecraft.server.level.ServerPlayer;
+import net.minecraft.world.entity.LivingEntity;
+import net.minecraftforge.network.NetworkEvent;
+
+import java.util.function.Supplier;
+
+public class ExecuteKnockedPacket {
+    public ExecuteKnockedPacket() { }
+    public static void encode(ExecuteKnockedPacket msg, FriendlyByteBuf buf) {
+
+    }
+
+    public static ExecuteKnockedPacket decode(FriendlyByteBuf buf) {
+        return new ExecuteKnockedPacket();
+    }
+
+    public static void handle(ExecuteKnockedPacket msg, Supplier<NetworkEvent.Context> ctx) {
+        ctx.get().enqueueWork(() -> {
+            ServerPlayer executor = ctx.get().getSender();
+            if (executor == null) return;
+            LivingEntity target = findNearestKnockedEntity(executor);
+            if (target != null) {
+                PlayerExecutionHandler.executeKnockedPlayer(executor, target);
+            }
+        });
+        ctx.get().setPacketHandled(true);
+    }
+
+    private static LivingEntity findNearestKnockedEntity(ServerPlayer executor) {
+        return KnockedManager.getKnockedUuids().stream()
+                .map(uuid -> NetworkHandlerHelper.getPlayerByUuid(executor.getServer(), uuid))
+                .filter(player -> player != null && player.distanceTo(executor) <= (float) PlayerExecutionHandler.EXECUTION_RANGE)
+                .findFirst()
+                .orElse(null);
+    }
+}

src/main/java/net/fretux/knockedback/KnockedBack.java

@@ -0,0 +1,71 @@
+package net.fretux.knockedback;
+
+import com.mojang.logging.LogUtils;
+import net.fretux.knockedback.effects.KnockedEffect;
+import net.minecraft.world.entity.player.Player;
+import net.minecraftforge.common.MinecraftForge;
+import net.minecraftforge.event.TickEvent;
+import net.minecraftforge.event.entity.living.LivingDeathEvent;
+import net.minecraftforge.event.entity.living.LivingHurtEvent;
+import net.minecraftforge.eventbus.api.SubscribeEvent;
+import net.minecraftforge.fml.ModLoadingContext;
+import net.minecraftforge.fml.common.Mod;
+import net.minecraftforge.event.server.ServerStartingEvent;
+import net.minecraftforge.fml.config.ModConfig;
+import net.minecraftforge.fml.event.lifecycle.FMLCommonSetupEvent;
+import net.minecraftforge.fml.javafmlmod.FMLJavaModLoadingContext;
+import org.slf4j.Logger;
+import net.minecraft.world.damagesource.DamageSource;
+
+@Mod(KnockedBack.MOD_ID)
+public class KnockedBack {
+    public static final String MOD_ID = "knockedback";
+    private static final Logger LOGGER = LogUtils.getLogger();
+
+    public KnockedBack() {
+        ModLoadingContext.get().registerConfig(ModConfig.Type.COMMON, Config.SPEC);
+        FMLJavaModLoadingContext.get().getModEventBus().addListener(this::setup);
+        MinecraftForge.EVENT_BUS.register(this);
+        MinecraftForge.EVENT_BUS.register(new KnockedEffect());
+        MinecraftForge.EVENT_BUS.register(new MobKillHandler());
+        MinecraftForge.EVENT_BUS.register(new PlayerExecutionHandler());
+    }
+
+    private void setup(final FMLCommonSetupEvent event) {
+        NetworkHandler.register();
+        PlayerExecutionHandler.register();
+    }
+
+    @SubscribeEvent
+    public void onServerStarting(ServerStartingEvent event) {
+        LOGGER.info("KnockedBack mod server starting");
+    }
+
+    @SubscribeEvent
+    public void onLivingHurt(LivingHurtEvent event) {
+        DamageSource source = event.getSource();
+        String damageType = source.getMsgId();
+        if (event.getEntity() instanceof Player player && player.getHealth() - event.getAmount() <= 0) {
+            if (!(damageType.equals("fall") || damageType.equals("explosion") || damageType.equals("explosion.player") ||
+                    damageType.equals("fire") || damageType.equals("lava") || damageType.equals("onFire") ||
+                    damageType.equals("fireball"))) {
+                event.setCanceled(true);
+                KnockedManager.applyKnockedState(player);
+            }
+        }
+    }
+
+    @SubscribeEvent
+    public void onLivingDeath(LivingDeathEvent event) {
+        if (KnockedManager.isKnocked(event.getEntity())) {
+            event.setCanceled(true);
+        }
+    }
+
+    @SubscribeEvent
+    public void onServerTick(TickEvent.ServerTickEvent event) {
+        if (event.phase == TickEvent.Phase.END && event.side.isServer()) {
+            KnockedManager.tickKnockedStates();
+        }
+    }
+}

src/main/java/net/fretux/knockedback/KnockedManager.java

@@ -0,0 +1,99 @@
+package net.fretux.knockedback;
+
+import net.minecraft.world.damagesource.DamageSource;
+import net.minecraft.world.entity.LivingEntity;
+import net.minecraft.world.entity.player.Player;
+import net.minecraftforge.event.entity.living.LivingHurtEvent;
+import net.minecraftforge.eventbus.api.SubscribeEvent;
+import net.minecraftforge.fml.common.Mod;
+
+import java.util.*;
+
+@Mod.EventBusSubscriber
+public class KnockedManager {
+    private static final Map<UUID, Integer> knockedEntities = new HashMap<>();
+    private static final Set<UUID> grippedEntities = new HashSet<>();
+    private static final int KNOCKED_DURATION = 400;
+
+    public static void applyKnockedState(LivingEntity entity) {
+        if (!(entity instanceof Player)) {
+            return;
+        }
+        if (!isKnocked(entity)) {
+            knockedEntities.put(entity.getUUID(), KNOCKED_DURATION);
+            entity.setHealth(1.0F);
+        }
+    }
+
+
+    public static boolean isKnocked(LivingEntity entity) {
+        return knockedEntities.containsKey(entity.getUUID());
+    }
+
+    public static void removeKnockedState(LivingEntity entity) {
+        knockedEntities.remove(entity.getUUID());
+        grippedEntities.remove(entity.getUUID());
+        MobKillHandler.clearKillAttempt(entity.getUUID());
+    }
+
+    public static void setGripped(LivingEntity entity, boolean isGripped) {
+        if (isGripped) {
+            grippedEntities.add(entity.getUUID());
+        } else {
+            grippedEntities.remove(entity.getUUID());
+        }
+    }
+
+    public static Collection<UUID> getKnockedUuids() {
+        return new HashSet<>(knockedEntities.keySet());
+    }
+
+    public static void tickKnockedStates() {
+        Iterator<Map.Entry<UUID, Integer>> it = knockedEntities.entrySet().iterator();
+        while (it.hasNext()) {
+            Map.Entry<UUID, Integer> entry = it.next();
+            UUID entityId = entry.getKey();
+            int timeLeft = entry.getValue();
+            if (grippedEntities.contains(entityId)) {
+                continue;
+            }
+            int newTime = timeLeft - 1;
+            if (newTime <= 0) {
+                it.remove();
+            } else {
+                entry.setValue(newTime);
+            }
+        }
+    }
+
+    @SubscribeEvent
+    public static void onLivingHurt(LivingHurtEvent event) {
+        LivingEntity entity = event.getEntity();
+        if (!isKnocked(entity)) return;
+
+        // Always reset the timer regardless of other conditions
+        knockedEntities.put(entity.getUUID(), KNOCKED_DURATION);
+
+        DamageSource source = event.getSource();
+        String damageType = source.getMsgId();
+
+        // Handle lethal damage cases (fire, explosions, etc.)
+        if (damageType.equals("fire") || damageType.equals("lava") || damageType.equals("onFire") ||
+                damageType.equals("explosion") || damageType.equals("explosion.player") || damageType.equals("fireball")) {
+            entity.setHealth(0.0F);
+            removeKnockedState(entity);
+            return;
+        }
+
+        // Handle falling or lethal explosion
+        if ((damageType.equals("fall") || damageType.equals("explosion") || damageType.equals("explosion.player")) &&
+                event.getAmount() >= entity.getHealth()) {
+            entity.setHealth(0.0F);
+            removeKnockedState(entity);
+            return;
+        }
+
+        // Still cancel damage for non-lethal hits, but **reset timer**
+        event.setCanceled(true);
+    }
+}

src/main/java/net/fretux/knockedback/MobKillHandler.java

@@ -0,0 +1,222 @@
+package net.fretux.knockedback;
+
+import net.minecraft.network.chat.Component;
+import net.minecraft.server.level.ServerLevel;
+import net.minecraft.world.entity.LivingEntity;
+import net.minecraft.world.entity.Mob;
+import net.minecraft.world.entity.player.Player;
+import net.minecraft.world.phys.AABB;
+import net.minecraftforge.event.TickEvent;
+import net.minecraftforge.event.entity.living.LivingHurtEvent;
+import net.minecraftforge.eventbus.api.SubscribeEvent;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.UUID;
+
+import static net.fretux.knockedback.KnockedManager.removeKnockedState;
+import static net.fretux.knockedback.KnockedManager.setGripped;
+
+/**
+ * Manages the logic for mobs killing knocked players after a 3-second delay,
+ * which resets if the mob is hit during those 3 seconds.
+ */
+public class MobKillHandler {
+    private static final int EXECUTION_DELAY_TICKS = 3 * 20;
+    /**
+     * A record of ongoing kill attempts.
+     * Key = Knocked player's UUID
+     * Value = An object tracking the mob's UUID & the countdown in ticks.
+     */
+    private static final Map<UUID, KillAttempt> killAttempts = new HashMap<>();
+
+    /**
+     * Data structure to hold which mob is trying to kill a knocked player,
+     * along with how many ticks remain before execution.
+     */
+    private static class KillAttempt {
+        private final UUID mobUuid;
+        private int timeLeft;
+
+        public KillAttempt(UUID mobUuid, int timeLeft) {
+            this.mobUuid = mobUuid;
+            this.timeLeft = timeLeft;
+        }
+    }
+
+    /**
+     * Runs once per server tick; we look for mobs near knocked players
+     * and handle the execution countdown.
+     */
+    @SubscribeEvent
+    public void onServerTick(TickEvent.ServerTickEvent event) {
+        // Only run logic at the END of each tick on the server
+        if (event.phase == TickEvent.Phase.END && event.side.isServer()) {
+            tickKillAttempts();
+        }
+    }
+
+    /**
+     * Resets the kill timer if the mob about to perform the kill is attacked.
+     * "If they're hit in those 3 seconds, the timer resets."
+     */
+    @SubscribeEvent
+    public void onMobHurt(LivingHurtEvent event) {
+        LivingEntity entity = event.getEntity();
+
+        if (!(entity instanceof Mob mob)) {
+            return;
+        }
+
+        UUID mobUuid = mob.getUUID();
+        boolean mobWasReset = false;
+        UUID playerToRelease = null;
+
+        for (Map.Entry<UUID, KillAttempt> entry : killAttempts.entrySet()) {
+            KillAttempt attempt = entry.getValue();
+            if (attempt.mobUuid.equals(mobUuid)) {
+                playerToRelease = entry.getKey();
+                mobWasReset = true;
+                break; // Break early because we will remove later
+            }
+        }
+
+        if (playerToRelease != null) {
+            killAttempts.remove(playerToRelease);
+            Player player = getPlayerByUuid(playerToRelease);
+            if (player != null) {
+                KnockedManager.setGripped(player, false);
+                mob.setTarget(null);
+                mob.getNavigation().stop();
+            }
+        }
+
+        if (mobWasReset) {
+            System.out.println("Mob hit: Canceling execution attempt and releasing gripped player.");
+        }
+    }
+
+    public static void clearKillAttempt(UUID playerUuid) {
+        killAttempts.remove(playerUuid);
+    }
+
+    /**
+     * Main logic to find mobs near knocked players and manage execution timers.
+     */
+    private void tickKillAttempts() {
+        Map<UUID, KillAttempt> updatedAttempts = new HashMap<>();
+
+        for (UUID knockedPlayerUuid : KnockedManager.getKnockedUuids()) {
+            Player knockedPlayer = getPlayerByUuid(knockedPlayerUuid);
+            if (knockedPlayer == null || !knockedPlayer.isAlive()) {
+                continue;
+            }
+            Mob mobInRange = getMobInRange(knockedPlayer);
+            if (mobInRange == null) {
+                setGripped(knockedPlayer, false);
+                continue;
+            }
+            setGripped(knockedPlayer, true);
+            KillAttempt attempt = killAttempts.get(knockedPlayerUuid);
+            if (attempt == null || !attempt.mobUuid.equals(mobInRange.getUUID())) {
+                attempt = new KillAttempt(mobInRange.getUUID(), EXECUTION_DELAY_TICKS);
+            } else {
+                attempt.timeLeft--;
+                gripPlayer(knockedPlayer, mobInRange);
+                if (attempt.timeLeft <= 0) {
+                    executeKnockedPlayer(knockedPlayer, mobInRange);
+                    continue;
+                }
+            }
+            updatedAttempts.put(knockedPlayerUuid, attempt);
+        }
+        killAttempts.clear();
+        killAttempts.putAll(updatedAttempts);
+    }
+
+    /**
+     * Handles gripping behavior where the mob focuses on the knocked player.
+     */
+    private void gripPlayer(Player knockedPlayer, Mob mob) {
+        mob.setTarget(knockedPlayer);
+        mob.getNavigation().stop();
+        spawnExecutionParticles(knockedPlayer, mob);
+    }
+
+    /**
+     * Executes the knocked player when the countdown finishes.
+     */
+    private void executeKnockedPlayer(Player knockedPlayer, Mob mob) {
+        knockedPlayer.setHealth(0.0F);
+        mob.getNavigation().stop();
+        removeKnockedState(knockedPlayer);
+        knockedPlayer.sendSystemMessage(Component.literal(
+                "You were executed by " + mob.getName().getString() + "!"
+        ));
+    }
+
+    /**
+     * Find a mob that is within a certain range of the knocked player.
+     * Only hostile mobs, aggressive neutral mobs, and players are considered.
+     */
+    @Nullable
+    private Mob getMobInRange(Player knockedPlayer) {
+        if (knockedPlayer.level() instanceof ServerLevel serverLevel) {
+            double range = 2.5;
+            AABB aabb = new AABB(
+                    knockedPlayer.getX() - range, knockedPlayer.getY() - range, knockedPlayer.getZ() - range,
+                    knockedPlayer.getX() + range, knockedPlayer.getY() + range, knockedPlayer.getZ() + range
+            );
+            return serverLevel.getEntitiesOfClass(Mob.class, aabb).stream()
+                    .filter(mob -> isHostile(mob) || isAggressiveNeutral(mob))
+                    .findAny()
+                    .orElse(null);
+        }
+        return null;
+    }
+
+    /**
+     * Checks if a mob is hostile (e.g., zombies, skeletons).
+     */
+    private boolean isHostile(Mob mob) {
+        return mob instanceof net.minecraft.world.entity.monster.Monster;
+    }
+
+    /**
+     * Checks if a neutral mob is aggressive (e.g., a wolf that has been attacked).
+     */
+    private boolean isAggressiveNeutral(Mob mob) {
+        if (mob instanceof net.minecraft.world.entity.animal.Wolf wolf) {
+            return wolf.isAngry();
+        }
+        if (mob instanceof net.minecraft.world.entity.monster.EnderMan enderman) {
+            return enderman.isCreepy();
+        }
+        return false;
+    }
+
+    /**
+     * Helper to retrieve a Player by UUID from the server.
+     */
+    @Nullable
+    private Player getPlayerByUuid(UUID uuid) {
+        var server = net.minecraftforge.server.ServerLifecycleHooks.getCurrentServer();
+        if (server != null) {
+            return server.getPlayerList().getPlayer(uuid);
+        }
+        return null;
+    }
+
+    private void spawnExecutionParticles(Player knockedPlayer, Mob mobInRange) {
+        if (knockedPlayer.level() instanceof ServerLevel serverLevel) {
+            serverLevel.sendParticles(
+                    net.minecraft.core.particles.ParticleTypes.ANGRY_VILLAGER,
+                    mobInRange.getX(),
+                    mobInRange.getY() + mobInRange.getBbHeight() / 2,
+                    mobInRange.getZ(),
+                    1, 0.1, 0.2, 0.1, 0.005
+            );
+        }
+    }
+}

src/main/java/net/fretux/knockedback/NetworkHandler.java

@@ -0,0 +1,26 @@
+package net.fretux.knockedback;
+
+import net.minecraft.resources.ResourceLocation;
+import net.minecraftforge.network.NetworkRegistry;
+import net.minecraftforge.network.simple.SimpleChannel;
+
+public class NetworkHandler {
+    public static final String PROTOCOL_VERSION = "1";
+    public static SimpleChannel CHANNEL;
+
+    public static void register() {
+        CHANNEL = NetworkRegistry.newSimpleChannel(
+                new ResourceLocation(KnockedBack.MOD_ID, "main"),
+                () -> PROTOCOL_VERSION,
+                PROTOCOL_VERSION::equals,
+                PROTOCOL_VERSION::equals
+        );
+
+        int id = 0;
+        CHANNEL.registerMessage(id++,
+                ExecuteKnockedPacket.class,
+                ExecuteKnockedPacket::encode,
+                ExecuteKnockedPacket::decode,
+                ExecuteKnockedPacket::handle);
+    }
+}

src/main/java/net/fretux/knockedback/NetworkHandlerHelper.java

@@ -0,0 +1,15 @@
+package net.fretux.knockedback;
+
+import net.minecraft.server.MinecraftServer;
+import net.minecraft.server.level.ServerPlayer;
+
+import java.util.UUID;
+
+public class NetworkHandlerHelper {
+    public static ServerPlayer getPlayerByUuid(MinecraftServer server, UUID uuid) {
+        if (server == null) {
+            return null;
+        }
+        return server.getPlayerList().getPlayer(uuid);
+    }
+}

src/main/java/net/fretux/knockedback/PlayerExecutionHandler.java

@@ -0,0 +1,32 @@
+package net.fretux.knockedback;
+
+import net.minecraft.network.chat.Component;
+import net.minecraft.server.level.ServerPlayer;
+import net.minecraft.world.entity.LivingEntity;
+import net.minecraftforge.common.MinecraftForge;
+import net.minecraftforge.eventbus.api.SubscribeEvent;
+import net.minecraftforge.fml.common.Mod;
+import net.minecraftforge.fml.event.lifecycle.FMLCommonSetupEvent;
+
+@Mod.EventBusSubscriber(modid = "knockedback", bus = Mod.EventBusSubscriber.Bus.MOD)
+public class PlayerExecutionHandler {
+    public static final double EXECUTION_RANGE = 2.0;
+
+    public static void register() {
+        MinecraftForge.EVENT_BUS.register(new PlayerExecutionHandler());
+    }
+
+    @SubscribeEvent
+    public static void onCommonSetup(FMLCommonSetupEvent event) {
+        register();
+    }
+
+    public static void executeKnockedPlayer(ServerPlayer executor, LivingEntity knockedPlayer) {
+        KnockedManager.removeKnockedState(knockedPlayer);
+        knockedPlayer.setHealth(0.0F);
+        executor.sendSystemMessage(Component.literal("You executed " + knockedPlayer.getName().getString() + "!"));
+        if (knockedPlayer instanceof ServerPlayer serverPlayer) {
+            serverPlayer.sendSystemMessage(Component.literal("You were executed by " + executor.getName().getString() + "!"));
+        }
+    }
+}

src/main/java/net/fretux/knockedback/client/ClientKeyHandler.java

@@ -0,0 +1,45 @@
+package net.fretux.knockedback.client;
+
+import net.fretux.knockedback.ExecuteKnockedPacket;
+import net.fretux.knockedback.NetworkHandler;
+import net.minecraft.client.KeyMapping;
+import net.minecraft.client.Minecraft;
+import net.minecraft.network.chat.Component;
+import net.minecraftforge.api.distmarker.Dist;
+import net.minecraftforge.client.event.RegisterKeyMappingsEvent;
+import net.minecraftforge.event.TickEvent;
+import net.minecraftforge.eventbus.api.SubscribeEvent;
+import net.minecraftforge.fml.common.Mod;
+import org.lwjgl.glfw.GLFW;
+
+@Mod.EventBusSubscriber(modid = "knockedback", value = Dist.CLIENT, bus = Mod.EventBusSubscriber.Bus.FORGE)
+public class ClientKeyHandler {
+    public static final KeyMapping EXECUTE_KEY = new KeyMapping(
+            "key.knockedback.execute",
+            GLFW.GLFW_KEY_B,
+            "key.categories.knockedback"
+    );
+
+    // This event still needs to be registered on the MOD bus for key mapping registration.
+    @Mod.EventBusSubscriber(modid = "knockedback", value = Dist.CLIENT, bus = Mod.EventBusSubscriber.Bus.MOD)
+    public static class KeyMappingRegistration {
+        @SubscribeEvent
+        public static void registerKeyMappings(RegisterKeyMappingsEvent event) {
+            event.register(EXECUTE_KEY);
+        }
+    }
+
+    @SubscribeEvent
+    public static void onClientTick(TickEvent.ClientTickEvent event) {
+        if (Minecraft.getInstance().screen != null) return;
+        if (EXECUTE_KEY.consumeClick()) {
+            if (Minecraft.getInstance().player != null) {
+                Minecraft.getInstance().player.sendSystemMessage(
+                        Component.literal("Key B pressed! Sending execution request to server.")
+                );
+                // Send the packet to the server
+                NetworkHandler.CHANNEL.sendToServer(new ExecuteKnockedPacket());
+            }
+        }
+    }
+}

src/main/java/net/fretux/knockedback/effects/KnockedEffect.java

@@ -0,0 +1,55 @@
+package net.fretux.knockedback.effects;
+
+import net.fretux.knockedback.KnockedManager;
+import net.minecraft.world.entity.player.Player;
+import net.minecraftforge.event.entity.living.LivingEvent;
+import net.minecraftforge.event.entity.player.AttackEntityEvent;
+import net.minecraftforge.event.entity.player.PlayerEvent;
+import net.minecraftforge.event.entity.player.PlayerInteractEvent;
+import net.minecraftforge.eventbus.api.SubscribeEvent;
+import net.minecraftforge.fml.common.Mod;
+
+@Mod.EventBusSubscriber(modid = "knockedback", bus = Mod.EventBusSubscriber.Bus.FORGE)
+public class KnockedEffect {
+
+    @SubscribeEvent
+    public static void onPlayerTick(LivingEvent.LivingTickEvent event) {
+        if (!(event.getEntity() instanceof Player player)) return;
+        if (KnockedManager.isKnocked(player)) {
+            player.setDeltaMovement(0, 0, 0);
+            player.setSprinting(false);
+            player.hurtMarked = true;
+        }
+    }
+
+    @SubscribeEvent
+    public static void onPlayerInteract(PlayerInteractEvent event) {
+        if (KnockedManager.isKnocked(event.getEntity())) {
+            if (event.isCancelable()) {
+                event.setCanceled(true);
+            }
+        }
+    }
+
+    @SubscribeEvent
+    public static void onBreakBlock(PlayerEvent.BreakSpeed event) {
+        if (KnockedManager.isKnocked(event.getEntity())) {
+            event.setCanceled(true);
+        }
+    }
+
+    @SubscribeEvent
+    public static void onAttack(AttackEntityEvent event) {
+        Player player = event.getEntity();
+        if (KnockedManager.isKnocked(player)) {
+            event.setCanceled(true);
+        }
+    }
+
+    @SubscribeEvent
+    public static void onLivingJump(LivingEvent.LivingJumpEvent event) {
+        if (event.getEntity() instanceof Player player && KnockedManager.isKnocked(player)) {
+            event.getEntity().setDeltaMovement(0, 0, 0);
+        }
+    }
+}

src/main/resources/META-INF/mods.toml

@@ -0,0 +1,70 @@
+# This is an example mods.toml file. It contains the data relating to the loading mods.
+# There are several mandatory fields (#mandatory), and many more that are optional (#optional).
+# The overall format is standard TOML format, v0.5.0.
+# Note that there are a couple of TOML lists in this file.
+# Find more information on toml format here:  https://github.com/toml-lang/toml
+# The name of the mod loader type to load - for regular FML @Mod mods it should be javafml
+modLoader="javafml" #mandatory
+# A version range to match for said mod loader - for regular FML @Mod it will be the forge version
+loaderVersion="${loader_version_range}" #mandatory This is typically bumped every Minecraft version by Forge. See our download page for lists of versions.
+# The license for you mod. This is mandatory metadata and allows for easier comprehension of your redistributive properties.
+# Review your options at https://choosealicense.com/. All rights reserved is the default copyright stance, and is thus the default here.
+license="${mod_license}"
+# A URL to refer people to when problems occur with this mod
+#issueTrackerURL="https://change.me.to.your.issue.tracker.example.invalid/" #optional
+# A list of mods - how many allowed here is determined by the individual mod loader
+[[mods]] #mandatory
+# The modid of the mod
+modId="${mod_id}" #mandatory
+# The version number of the mod
+version="${mod_version}" #mandatory
+# A display name for the mod
+displayName="${mod_name}" #mandatory
+# A URL to query for updates for this mod. See the JSON update specification https://docs.minecraftforge.net/en/latest/misc/updatechecker/
+#updateJSONURL="https://change.me.example.invalid/updates.json" #optional
+# A URL for the "homepage" for this mod, displayed in the mod UI
+#displayURL="https://change.me.to.your.mods.homepage.example.invalid/" #optional
+# A file name (in the root of the mod JAR) containing a logo for display
+#logoFile="examplemod.png" #optional
+# A text field displayed in the mod UI
+#credits="" #optional
+# A text field displayed in the mod UI
+authors="${mod_authors}" #optional
+# Display Test controls the display for your mod in the server connection screen
+# MATCH_VERSION means that your mod will cause a red X if the versions on client and server differ. This is the default behaviour and should be what you choose if you have server and client elements to your mod.
+# IGNORE_SERVER_VERSION means that your mod will not cause a red X if it's present on the server but not on the client. This is what you should use if you're a server only mod.
+# IGNORE_ALL_VERSION means that your mod will not cause a red X if it's present on the client or the server. This is a special case and should only be used if your mod has no server component.
+# NONE means that no display test is set on your mod. You need to do this yourself, see IExtensionPoint.DisplayTest for more information. You can define any scheme you wish with this value.
+# IMPORTANT NOTE: this is NOT an instruction as to which environments (CLIENT or DEDICATED SERVER) your mod loads on. Your mod should load (and maybe do nothing!) whereever it finds itself.
+#displayTest="MATCH_VERSION" # MATCH_VERSION is the default if nothing is specified (#optional)
+
+# The description text for the mod (multi line!) (#mandatory)
+description='''${mod_description}'''
+# A dependency - use the . to indicate dependency for a specific modid. Dependencies are optional.
+[[dependencies.${mod_id}]] #optional
+    # the modid of the dependency
+    modId="forge" #mandatory
+    # Does this dependency have to exist - if not, ordering below must be specified
+    mandatory=true #mandatory
+    # The version range of the dependency
+    versionRange="${forge_version_range}" #mandatory
+    # An ordering relationship for the dependency - BEFORE or AFTER required if the dependency is not mandatory
+    # BEFORE - This mod is loaded BEFORE the dependency
+    # AFTER - This mod is loaded AFTER the dependency
+    ordering="NONE"
+    # Side this dependency is applied on - BOTH, CLIENT, or SERVER
+    side="BOTH"
+# Here's another dependency
+[[dependencies.${mod_id}]]
+    modId="minecraft"
+    mandatory=true
+    # This version range declares a minimum of the current minecraft version up to but not including the next major version
+    versionRange="${minecraft_version_range}"
+    ordering="NONE"
+    side="BOTH"
+
+# Features are specific properties of the game environment, that you may want to declare you require. This example declares
+# that your mod requires GL version 3.2 or higher. Other features will be added. They are side aware so declaring this won't
+# stop your mod loading on the server for example.
+#[features.${mod_id}]
+#openGLVersion="[3.2,)"

src/main/resources/en_us.json

@@ -0,0 +1,4 @@
+{
+  "key.knockedback.execute": "Execute Knocked Player",
+  "key.categories.knockedback": "KnockedBack"
+}

src/main/resources/pack.mcmeta

@@ -0,0 +1,8 @@
+{
+  "pack": {
+    "description": {
+      "text": "${mod_id} resources"
+    },
+    "pack_format": 15
+  }
+}