9 files changed, 209 insertions, 118 deletions

diff --git a/README.md b/README.md
deleted file mode 100644
index 34c9b35..0000000
--- a/README.md
+++ /dev/null
@@ -1,7 +0,0 @@
-# Eris Alchemy
-
-## TODO
-
-- custom model for guide book
-
-When upgrading minecraft `grep` for `UPGRADE`, update content and bracketed version.
\ No newline at end of file
diff --git a/TODO.md b/TODO.md
new file mode 100644
index 0000000..97ca272
--- /dev/null
+++ b/TODO.md
@@ -0,0 +1,4 @@
+# TODO #
+
+- custom model for guide book
+- proper EmcLoader with separate prepare and apply stages
\ No newline at end of file
diff --git a/src/main/java/lv/enes/mc/eris_alchemy/Emc.java b/src/main/java/lv/enes/mc/eris_alchemy/Emc.java
index fdc7c0a..c12b143 100644
--- a/src/main/java/lv/enes/mc/eris_alchemy/Emc.java
+++ b/src/main/java/lv/enes/mc/eris_alchemy/Emc.java
@@ -1,11 +1,18 @@
 package lv.enes.mc.eris_alchemy;
 
-import jakarta.annotation.Nonnull;
 import jakarta.annotation.Nullable;
+import lv.enes.mc.eris_alchemy.ErisAlchemyRegistry.NetworkingConstants;
+import lv.enes.mc.eris_alchemy.utils.BufUtils;
 import lv.enes.mc.eris_alchemy.utils.ItemUtils;
+import lv.enes.mc.eris_alchemy.utils.PlayerUtils;
+import net.minecraft.client.Minecraft;
 import net.minecraft.core.registries.BuiltInRegistries;
 import net.minecraft.core.registries.Registries;
+import net.minecraft.network.FriendlyByteBuf;
 import net.minecraft.resources.ResourceLocation;
+import net.minecraft.server.MinecraftServer;
+import net.minecraft.server.level.ServerLevel;
+import net.minecraft.server.level.ServerPlayer;
 import net.minecraft.tags.TagKey;
 import net.minecraft.world.item.BlockItem;
 import net.minecraft.world.item.Item;
@@ -13,86 +20,37 @@ import net.minecraft.world.item.ItemStack;
 import net.minecraft.world.item.crafting.Ingredient;
 import net.minecraft.world.level.Level;
 import net.minecraft.world.level.block.Block;
+import org.quiltmc.loader.api.minecraft.ClientOnly;
+import org.quiltmc.qsl.networking.api.PacketByteBufs;
+import org.quiltmc.qsl.networking.api.ServerPlayNetworking;
+import org.quiltmc.qsl.networking.api.client.ClientPlayNetworking;
 
 import java.text.DecimalFormat;
 import java.util.*;
 import java.util.stream.Stream;
 
-public class Emc {
+public final class Emc {
+        private Emc() {}
+
         private static final Map<ResourceLocation, OptionalDouble> ITEM_VALUES = new HashMap<>();
         private static final Map<TagKey<Item>, OptionalDouble> ITEM_TAG_VALUES = new HashMap<>();
         private static final Map<TagKey<Block>, OptionalDouble> BLOCK_TAG_VALUES = new HashMap<>();
         private static final List<SimplifiedRecipe> FAKE_RECIPES = new ArrayList<>();
 
-        private static final Map<Level, Emc> instances = Collections.synchronizedMap(new WeakHashMap<>());
+        private static final Map<ResourceLocation, OptionalDouble> VALUES = Collections.synchronizedMap(new HashMap<>());
 
-        private static final DecimalFormat formatter = new DecimalFormat("0");
+        private static final DecimalFormat FORMATTER = new DecimalFormat("0");
         static {
-                formatter.setMaximumFractionDigits(1);
+                FORMATTER.setMaximumFractionDigits(1);
         }
 
-        public static Emc getInstance(@Nonnull Level world) {
-                if (instances.containsKey(world)) {
-                        return instances.get(world);
-                }
-
-                var instance = new Emc(world);
-                instances.put(world, instance);
-                return instance;
-        }
+        private static ServerLevel overworld = null;
 
         public static String formatEmc(double value) {
-                return formatter.format(value);
+                return FORMATTER.format(value);
         }
 
-        public static void reloadData(
-                        Map<ResourceLocation, OptionalDouble> itemValues,
-                        Map<ResourceLocation, OptionalDouble> itemTagValues,
-                        Map<ResourceLocation, OptionalDouble> blockTagValues,
-                        List<SimplifiedRecipe> fakeRecipes
-        ) {
-                ITEM_VALUES.clear();
-                ITEM_VALUES.putAll(itemValues);
-
-                ITEM_TAG_VALUES.clear();
-                itemTagValues.forEach((id, value) -> ITEM_TAG_VALUES.put(TagKey.create(Registries.ITEM, id), value));
-
-                BLOCK_TAG_VALUES.clear();
-                blockTagValues.forEach((id, value) -> BLOCK_TAG_VALUES.put(TagKey.create(Registries.BLOCK, id), value));
-
-                FAKE_RECIPES.clear();
-                FAKE_RECIPES.addAll(fakeRecipes);
-
-                instances.clear();
-        }
-
-        private final Map<ResourceLocation, OptionalDouble> data;
-
-        private Emc(@Nonnull Level world) {
-                data = Collections.synchronizedMap(new HashMap<>(ITEM_VALUES));
-                ITEM_TAG_VALUES.forEach(
-                                (tag, emcValue) -> BuiltInRegistries.ITEM
-                                                .getTagOrEmpty(tag)
-                                                .forEach(holder -> data.putIfAbsent(ItemUtils.getId(holder), emcValue))
-                );
-                BLOCK_TAG_VALUES.forEach(
-                                (tag, emcValue) -> BuiltInRegistries.BLOCK
-                                                .getTagOrEmpty(tag)
-                                                .forEach(holder -> data.putIfAbsent(ItemUtils.getId(holder), emcValue))
-                );
-
-                ErisAlchemy.LOGGER.info("Calculating EMC values...");
-                var recipes = getRecipes(world);
-                var configured = new HashSet<>(data.keySet());
-                BuiltInRegistries.ITEM.keySet().forEach(item -> {
-                        configEmc(recipes, configured, item);
-                        if (!data.containsKey(item)) {
-                                ErisAlchemy.LOGGER.warn("No EMC value for '{}' known", item);
-                        }
-                });
-        }
-
-        public OptionalDouble get(ItemStack stack) {
+        public static OptionalDouble get(ItemStack stack) {
                 if (stack.isEmpty()) {
                         return OptionalDouble.empty();
                 }
@@ -118,51 +76,66 @@ public class Emc {
                                 .findFirst();
         }
 
-        public OptionalDouble get(ResourceLocation itemId) {
-                return data.getOrDefault(itemId, OptionalDouble.empty());
+        public static OptionalDouble get(ResourceLocation itemId) {
+                return VALUES.getOrDefault(itemId, OptionalDouble.empty());
         }
 
-        private List<SimplifiedRecipe> getRecipes(@Nullable Level world) {
-                Stream<SimplifiedRecipe> recipes = FAKE_RECIPES.stream();
+        @ClientOnly
+        public static void initClient(Minecraft ignoredClient) {
+                ClientPlayNetworking.registerGlobalReceiver(
+                                NetworkingConstants.UPDATE_EMCS,
+                                (client1, handler, buf, responseSender) -> {
+                                        var map = buf.readMap(FriendlyByteBuf::readResourceLocation, BufUtils::readOptionalDouble);
+                                        VALUES.clear();
+                                        VALUES.putAll(map);
+                                }
+                );
+        }
 
-                if (world != null) {
-                        recipes = Stream.concat(
-                                        recipes,
-                                        world.getRecipeManager()
-                                                        .getRecipes()
-                                                        .stream()
-                                                        .map(recipe -> new SimplifiedRecipe(recipe, world.registryAccess()))
-                        );
-                }
+        public static void initServer(MinecraftServer server) {
+                overworld = server.overworld();
+                reinit();
+                warnOfMissingValues();
+        }
 
-                return recipes.toList();
+        public static void reloadData(
+                        Map<ResourceLocation, OptionalDouble> itemValues,
+                        Map<ResourceLocation, OptionalDouble> itemTagValues,
+                        Map<ResourceLocation, OptionalDouble> blockTagValues,
+                        List<SimplifiedRecipe> fakeRecipes
+        ) {
+                ITEM_VALUES.clear();
+                ITEM_VALUES.putAll(itemValues);
+
+                ITEM_TAG_VALUES.clear();
+                itemTagValues.forEach((id, value) -> ITEM_TAG_VALUES.put(TagKey.create(Registries.ITEM, id), value));
+
+                BLOCK_TAG_VALUES.clear();
+                blockTagValues.forEach((id, value) -> BLOCK_TAG_VALUES.put(TagKey.create(Registries.BLOCK, id), value));
+
+                FAKE_RECIPES.clear();
+                FAKE_RECIPES.addAll(fakeRecipes);
+
+                reinit();
+                warnOfMissingValues();
         }
 
-        private OptionalDouble configEmc(
+        private static OptionalDouble calculateEmcForIngredient(
                         List<SimplifiedRecipe> recipes,
                         Set<ResourceLocation> configured,
-                        ResourceLocation itemId
+                        Ingredient ingredient
         ) {
-                var res = get(itemId);
-                if (res.isPresent() || configured.contains(itemId)) {
-                        return res;
-                }
-
-                configured.add(itemId);
-                var item = BuiltInRegistries.ITEM.get(itemId);
-                res = recipes.stream()
-                                .filter(recipe -> recipe.output().is(item))
-                                .map(recipe -> calculateEmcForRecipe(recipes, configured, recipe))
-                                .flatMapToDouble(OptionalDouble::stream)
+                return Arrays.stream(ingredient.getItems())
+                                .map(stack -> configEmc(recipes, configured, ItemUtils.getId(stack.getItem())).stream()
+                                                .map(x -> x * stack.getCount())
+                                                .findFirst())
+                                .filter(OptionalDouble::isPresent)
+                                .mapToDouble(OptionalDouble::getAsDouble)
+                                .filter(x -> x > 0)
                                 .average();
-                res.ifPresentOrElse(
-                                emc -> data.put(itemId, OptionalDouble.of(emc)),
-                                () -> configured.remove(itemId)
-                );
-                return res;
         }
 
-        private OptionalDouble calculateEmcForRecipe(
+        private static OptionalDouble calculateEmcForRecipe(
                         List<SimplifiedRecipe> recipes,
                         Set<ResourceLocation> configured,
                         SimplifiedRecipe recipe
@@ -197,18 +170,87 @@ public class Emc {
                 }
         }
 
-        private OptionalDouble calculateEmcForIngredient(
+        private static OptionalDouble configEmc(
                         List<SimplifiedRecipe> recipes,
                         Set<ResourceLocation> configured,
-                        Ingredient ingredient
+                        ResourceLocation itemId
         ) {
-                return Arrays.stream(ingredient.getItems())
-                                .map(stack -> configEmc(recipes, configured, ItemUtils.getId(stack.getItem())).stream()
-                                                .map(x -> x * stack.getCount())
-                                                .findFirst())
-                                .filter(OptionalDouble::isPresent)
-                                .mapToDouble(OptionalDouble::getAsDouble)
-                                .filter(x -> x > 0)
+                var res = get(itemId);
+                if (res.isPresent() || configured.contains(itemId)) {
+                        return res;
+                }
+
+                configured.add(itemId);
+                var item = BuiltInRegistries.ITEM.get(itemId);
+                res = recipes.stream()
+                                .filter(recipe -> recipe.output().is(item))
+                                .map(recipe -> calculateEmcForRecipe(recipes, configured, recipe))
+                                .flatMapToDouble(OptionalDouble::stream)
                                 .average();
+                res.ifPresentOrElse(
+                                emc -> VALUES.put(itemId, OptionalDouble.of(emc)),
+                                () -> configured.remove(itemId)
+                );
+                return res;
+        }
+
+        private static List<SimplifiedRecipe> getRecipes(@Nullable Level world) {
+                Stream<SimplifiedRecipe> recipes = FAKE_RECIPES.stream();
+
+                if (world != null) {
+                        recipes = Stream.concat(
+                                        recipes,
+                                        world.getRecipeManager()
+                                                        .getRecipes()
+                                                        .stream()
+                                                        .map(recipe -> new SimplifiedRecipe(recipe, world.registryAccess()))
+                        );
+                }
+
+                return recipes.toList();
+        }
+
+        private static void reinit() {
+                VALUES.clear();
+                VALUES.putAll(ITEM_VALUES);
+                ITEM_TAG_VALUES.forEach(
+                                (tag, emcValue) -> BuiltInRegistries.ITEM
+                                                .getTagOrEmpty(tag)
+                                                .forEach(holder -> VALUES.putIfAbsent(ItemUtils.getId(holder), emcValue))
+                );
+                BLOCK_TAG_VALUES.forEach(
+                                (tag, emcValue) -> BuiltInRegistries.BLOCK
+                                                .getTagOrEmpty(tag)
+                                                .forEach(holder -> VALUES.putIfAbsent(ItemUtils.getId(holder), emcValue))
+                );
+
+                ErisAlchemy.LOGGER.info("Calculating EMC values from recipes...");
+                var recipes = getRecipes(overworld);
+                var configured = new HashSet<>(VALUES.keySet());
+                BuiltInRegistries.ITEM.keySet().forEach(item -> configEmc(recipes, configured, item));
+
+                sync();
+        }
+
+        private static void sync() {
+                syncTo(PlayerUtils.all());
+        }
+
+        private static void syncTo(Collection<ServerPlayer> player) {
+                var buf = PacketByteBufs.create();
+                buf.writeMap(VALUES, FriendlyByteBuf::writeResourceLocation, BufUtils::writeOptionalDouble);
+                ServerPlayNetworking.send(player, NetworkingConstants.UPDATE_EMCS, buf);
+        }
+
+        private static void warnOfMissingValues() {
+                if (overworld == null) {
+                        return;
+                }
+
+                BuiltInRegistries.ITEM
+                                .keySet()
+                                .stream()
+                                .filter(item -> !VALUES.containsKey(item))
+                                .forEach(item -> ErisAlchemy.LOGGER.warn("No EMC value for '{}' known", item));
         }
 }
diff --git a/src/main/java/lv/enes/mc/eris_alchemy/ErisAlchemy.java b/src/main/java/lv/enes/mc/eris_alchemy/ErisAlchemy.java
index bb84e18..1d363c2 100644
--- a/src/main/java/lv/enes/mc/eris_alchemy/ErisAlchemy.java
+++ b/src/main/java/lv/enes/mc/eris_alchemy/ErisAlchemy.java
@@ -2,6 +2,7 @@ package lv.enes.mc.eris_alchemy;
 
 import com.google.gson.Gson;
 import com.google.gson.GsonBuilder;
+import lv.enes.mc.eris_alchemy.utils.PlayerUtils;
 import net.fabricmc.fabric.api.itemgroup.v1.FabricItemGroup;
 import net.minecraft.core.Registry;
 import net.minecraft.core.registries.BuiltInRegistries;
@@ -12,6 +13,7 @@ import net.minecraft.world.item.CreativeModeTab;
 import net.minecraft.world.item.ItemStack;
 import org.quiltmc.loader.api.ModContainer;
 import org.quiltmc.qsl.base.api.entrypoint.ModInitializer;
+import org.quiltmc.qsl.lifecycle.api.event.ServerLifecycleEvents;
 import org.quiltmc.qsl.resource.loader.api.ResourceLoader;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -42,6 +44,9 @@ public class ErisAlchemy implements ModInitializer {
 
                 ResourceLoader.get(PackType.SERVER_DATA).registerReloader(EmcLoader.INSTANCE);
 
+                ServerLifecycleEvents.READY.register(Emc::initServer);
+                PlayerUtils.init();
+
                 Registry.register(BuiltInRegistries.CREATIVE_MODE_TAB, new ResourceLocation(ID, "item_group"), ITEM_GROUP);
 
                 ErisAlchemyRegistry.BlockEntities.consume(
diff --git a/src/main/java/lv/enes/mc/eris_alchemy/ErisAlchemyRegistry.java b/src/main/java/lv/enes/mc/eris_alchemy/ErisAlchemyRegistry.java
index 893e60d..e0f6e31 100644
--- a/src/main/java/lv/enes/mc/eris_alchemy/ErisAlchemyRegistry.java
+++ b/src/main/java/lv/enes/mc/eris_alchemy/ErisAlchemyRegistry.java
@@ -179,6 +179,9 @@ public final class ErisAlchemyRegistry {
         public static final class NetworkingConstants {
                 private NetworkingConstants() {}
 
+                public static final ResourceLocation UPDATE_EMCS
+                                = new ResourceLocation(ErisAlchemy.ID, "update_emcs");
+
                 public static final ResourceLocation UPDATE_SYNCED_VALUE
                                 = new ResourceLocation(ErisAlchemy.ID, "update_synced_value");
         }
diff --git a/src/main/java/lv/enes/mc/eris_alchemy/block/entity/EnergyCondenserEntity.java b/src/main/java/lv/enes/mc/eris_alchemy/block/entity/EnergyCondenserEntity.java
index a264722..432ba6f 100644
--- a/src/main/java/lv/enes/mc/eris_alchemy/block/entity/EnergyCondenserEntity.java
+++ b/src/main/java/lv/enes/mc/eris_alchemy/block/entity/EnergyCondenserEntity.java
@@ -81,8 +81,8 @@ public class EnergyCondenserEntity extends ChestLikeEntity implements ExtendedSc
         @Override
         public void tick(Level world, BlockPos pos, BlockState state) {
                 super.tick(world, pos, state);
-                Emc.getInstance(world).get(items.get(0)).ifPresent(cost -> {
-                        tryConsumeEmc(world, cost);
+                Emc.get(items.get(0)).ifPresent(cost -> {
+                        tryConsumeEmc(cost);
                         tryCloneTemplate(cost);
                 });
 
@@ -123,17 +123,16 @@ public class EnergyCondenserEntity extends ChestLikeEntity implements ExtendedSc
                                 );
         }
 
-        private void tryConsumeEmc(Level world, double cost) {
+        private void tryConsumeEmc(double cost) {
                 if (cost <= getStoredEmc()) {
                         return;
                 }
 
-                var emc = Emc.getInstance(world);
                 var template = items.get(0);
                 var sacrifice = items.stream()
                                 .skip(1) // skip the template
                                 .filter(stack -> !ItemStack.isSameItemSameTags(template, stack))
-                                .flatMap(stack -> emc.get(stack)
+                                .flatMap(stack -> Emc.get(stack)
                                                 .stream()
                                                 .mapToObj(emcValue -> new StackEmcPair(stack, emcValue)))
                                 .findFirst();
diff --git a/src/main/java/lv/enes/mc/eris_alchemy/client/ErisAlchemyClient.java b/src/main/java/lv/enes/mc/eris_alchemy/client/ErisAlchemyClient.java
index f4de045..3e73c9e 100644
--- a/src/main/java/lv/enes/mc/eris_alchemy/client/ErisAlchemyClient.java
+++ b/src/main/java/lv/enes/mc/eris_alchemy/client/ErisAlchemyClient.java
@@ -7,6 +7,7 @@ import net.minecraft.client.renderer.blockentity.BlockEntityRenderers;
 import net.minecraft.network.chat.Component;
 import org.quiltmc.loader.api.ModContainer;
 import org.quiltmc.qsl.base.api.entrypoint.client.ClientModInitializer;
+import org.quiltmc.qsl.lifecycle.api.client.event.ClientLifecycleEvents;
 import org.quiltmc.qsl.tooltip.api.client.ItemTooltipCallback;
 
 @SuppressWarnings("unused")
@@ -17,12 +18,14 @@ public class ErisAlchemyClient implements ClientModInitializer {
                 ErisAlchemyClientRegistry.ItemRenderers.consume(BuiltinItemRendererRegistry.INSTANCE::register);
                 ErisAlchemyClientRegistry.MenuScreens.consume(MenuScreens::register);
 
+                ClientLifecycleEvents.READY.register(Emc::initClient);
+
                 ItemTooltipCallback.EVENT.register((stack, player, context, tooltip) -> {
                         if (player == null) {
                                 return;
                         }
 
-                        var emc = Emc.getInstance(player.level()).get(stack);
+                        var emc = Emc.get(stack);
                         emc.ifPresent(value -> tooltip.add(Component.literal("EMC %s".formatted(Emc.formatEmc(value)))));
                 });
         }
diff --git a/src/main/java/lv/enes/mc/eris_alchemy/utils/BufUtils.java b/src/main/java/lv/enes/mc/eris_alchemy/utils/BufUtils.java
new file mode 100644
index 0000000..9d8fe82
--- /dev/null
+++ b/src/main/java/lv/enes/mc/eris_alchemy/utils/BufUtils.java
@@ -0,0 +1,20 @@
+package lv.enes.mc.eris_alchemy.utils;
+
+import io.netty.buffer.ByteBuf;
+import net.minecraft.network.FriendlyByteBuf;
+
+import java.util.OptionalDouble;
+
+public final class BufUtils {
+        private BufUtils() {}
+
+        public static OptionalDouble readOptionalDouble(FriendlyByteBuf buf) {
+                return buf.readOptional(ByteBuf::readDouble).stream().mapToDouble(x -> x).findFirst();
+        }
+
+        @SuppressWarnings("OptionalUsedAsFieldOrParameterType")
+        public static void writeOptionalDouble(FriendlyByteBuf buf, OptionalDouble value) {
+                var convert = value.stream().boxed().findFirst();
+                buf.writeOptional(convert, ByteBuf::writeDoubleLE);
+        }
+}
diff --git a/src/main/java/lv/enes/mc/eris_alchemy/utils/PlayerUtils.java b/src/main/java/lv/enes/mc/eris_alchemy/utils/PlayerUtils.java
new file mode 100644
index 0000000..6320d6f
--- /dev/null
+++ b/src/main/java/lv/enes/mc/eris_alchemy/utils/PlayerUtils.java
@@ -0,0 +1,22 @@
+package lv.enes.mc.eris_alchemy.utils;
+
+import net.minecraft.server.level.ServerPlayer;
+import org.quiltmc.qsl.networking.api.ServerPlayConnectionEvents;
+
+import java.util.HashSet;
+import java.util.Set;
+
+public final class PlayerUtils {
+        private PlayerUtils() {}
+
+        private static final Set<ServerPlayer> ALL_PLAYERS = new HashSet<>();
+
+        public static Set<ServerPlayer> all() {
+                return ALL_PLAYERS;
+        }
+
+        public static void init() {
+                ServerPlayConnectionEvents.JOIN.register((handler, sender, server) -> ALL_PLAYERS.add(handler.getPlayer()));
+                ServerPlayConnectionEvents.DISCONNECT.register((handler, server) -> ALL_PLAYERS.remove(handler.getPlayer()));
+        }
+}