Purpur/patches/server/0261-Configurable-food-attributes.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: BillyGalbreath <Blake.Galbreath@Gmail.com>
Date: Tue, 18 Jan 2022 04:51:51 -0600
Subject: [PATCH] Configurable food attributes


diff --git a/src/main/java/net/minecraft/world/food/FoodProperties.java b/src/main/java/net/minecraft/world/food/FoodProperties.java
index 9967ba762567631f2bdb1e4f8fe16a13ea927b46..019f90257ea0a651b9b1fcbeab505dcb37400dc4 100644
--- a/src/main/java/net/minecraft/world/food/FoodProperties.java
+++ b/src/main/java/net/minecraft/world/food/FoodProperties.java
@@ -6,11 +6,13 @@ import java.util.List;
 import net.minecraft.world.effect.MobEffectInstance;
 
 public class FoodProperties {
-    private final int nutrition;
-    private final float saturationModifier;
-    private final boolean isMeat;
-    private final boolean canAlwaysEat;
-    private final boolean fastFood;
+    // Purpur start
+    private int nutrition; public void setNutrition(int nutrition) { this.nutrition = nutrition; }
+    private float saturationModifier; public void setSaturationModifier(float saturation) { this.saturationModifier = saturation; }
+    private boolean isMeat; public void setIsMeat(boolean isMeat) { this.isMeat = isMeat; }
+    private boolean canAlwaysEat; public void setCanAlwaysEat(boolean canAlwaysEat) { this.canAlwaysEat = canAlwaysEat; }
+    private boolean fastFood; public void setFastFood(boolean isFastFood) { this.fastFood = isFastFood; }
+    // Purpur end
     private final List<Pair<MobEffectInstance, Float>> effects;
 
     FoodProperties(int hunger, float saturationModifier, boolean meat, boolean alwaysEdible, boolean snack, List<Pair<MobEffectInstance, Float>> statusEffects) {
diff --git a/src/main/java/net/minecraft/world/food/Foods.java b/src/main/java/net/minecraft/world/food/Foods.java
index b16d9e2eaa589f19c563ee70b1a56d67dbcdecb0..f31b689986d24bc21417cc3f25a4417bb5fc060f 100644
--- a/src/main/java/net/minecraft/world/food/Foods.java
+++ b/src/main/java/net/minecraft/world/food/Foods.java
@@ -4,6 +4,8 @@ import net.minecraft.world.effect.MobEffectInstance;
 import net.minecraft.world.effect.MobEffects;
 
 public class Foods {
+    public static final java.util.Map<String, FoodProperties> ALL_PROPERTIES = new java.util.HashMap<>(); // Purpur
+
     public static final FoodProperties APPLE = (new FoodProperties.Builder()).nutrition(4).saturationMod(0.3F).build();
     public static final FoodProperties BAKED_POTATO = (new FoodProperties.Builder()).nutrition(5).saturationMod(0.6F).build();
     public static final FoodProperties BEEF = (new FoodProperties.Builder()).nutrition(3).saturationMod(0.3F).meat().build();
diff --git a/src/main/java/net/minecraft/world/item/Items.java b/src/main/java/net/minecraft/world/item/Items.java
index 513343d225a71e242b0f237eefcd25147709d9d1..b9233dde3f43a7420ea802b65f525d3827f82e4d 100644
--- a/src/main/java/net/minecraft/world/item/Items.java
+++ b/src/main/java/net/minecraft/world/item/Items.java
@@ -1164,6 +1164,8 @@ public class Items {
             ((BlockItem)item).registerBlocks(Item.BY_BLOCK, item);
         }
 
+        if (item.getFoodProperties() != null) Foods.ALL_PROPERTIES.put(id.getPath(), item.getFoodProperties()); // Purpur
+
         return Registry.register(Registry.ITEM, id, item);
     }
 }
diff --git a/src/main/java/org/purpurmc/purpur/PurpurConfig.java b/src/main/java/org/purpurmc/purpur/PurpurConfig.java
index 013c3c41c6db66d44409fcd9df70704583efe113..57295abc0de7d8b95ec3bfb414be4a5693634890 100644
--- a/src/main/java/org/purpurmc/purpur/PurpurConfig.java
+++ b/src/main/java/org/purpurmc/purpur/PurpurConfig.java
@@ -424,4 +424,53 @@ public class PurpurConfig {
         String setPattern = getString("settings.username-valid-characters", defaultPattern);
         usernameValidCharactersPattern = java.util.regex.Pattern.compile(setPattern == null || setPattern.isBlank() ? defaultPattern : setPattern);
     }
+
+    private static void foodSettings() {
+        ConfigurationSection properties = config.getConfigurationSection("settings.food-properties");
+        if (properties == null) {
+            PurpurConfig.log(Level.SEVERE, "missing food properties...");
+            config.addDefault("settings.food-properties", new HashMap<>());
+            return;
+        }
+        properties.getKeys(false).forEach(foodKey -> {
+            FoodProperties food = Foods.ALL_PROPERTIES.get(foodKey);
+            if (food == null) {
+                PurpurConfig.log(Level.SEVERE, "Invalid food property: " + foodKey);
+                return;
+            }
+            if (properties.contains(foodKey + ".nutrition")) food.setNutrition(properties.getInt(food + ".nutrition"));
+            if (properties.contains(foodKey + ".saturation-modifier")) food.setSaturationModifier((float) properties.getDouble(food + ".saturation-modifier"));
+            if (properties.contains(foodKey + ".is-meat")) food.setIsMeat(properties.getBoolean(food + ".is-meat"));
+            if (properties.contains(foodKey + ".can-always-eat")) food.setCanAlwaysEat(properties.getBoolean(food + ".can-always-eat"));
+            if (properties.contains(foodKey + ".fast-food")) food.setFastFood(properties.getBoolean(food + ".fast-food"));
+            ConfigurationSection effects = properties.getConfigurationSection(foodKey + ".effects");
+            if (effects != null) {
+                Map<String, Object> def = new HashMap<>();
+                food.getEffects().forEach(pair -> {
+                    def.put("chance", pair.getSecond());
+                    MobEffectInstance effect = pair.getFirst();
+                    def.put("duration", effect.getDuration());
+                    def.put("amplifier", effect.getAmplifier());
+                    def.put("ambient", effect.isAmbient());
+                    def.put("visible", effect.isVisible());
+                    def.put("show-icon", effect.showIcon());
+                });
+                food.getEffects().clear();
+                effects.getKeys(false).forEach(effectKey -> {
+                    MobEffect effect = Registry.MOB_EFFECT.get(new ResourceLocation(effectKey));
+                    if (effect == null) {
+                        PurpurConfig.log(Level.SEVERE, "Invalid food property effect for " + foodKey + ": " + effectKey);
+                        return;
+                    }
+                    float chance = (float) effects.getDouble(effectKey + ".chance", (double) def.get("chance"));
+                    int duration = effects.getInt(effectKey + ".duration", (int) def.get("duration"));
+                    int amplifier = effects.getInt(effectKey + ".amplifier", (int) def.get("amplifier"));
+                    boolean ambient = effects.getBoolean(effectKey + ".ambient", (boolean) def.get("ambient"));
+                    boolean visible = effects.getBoolean(effectKey + ".visible", (boolean) def.get("visible"));
+                    boolean showIcon = effects.getBoolean(effectKey + ".show-icon", (boolean) def.get("show-icon"));
+                    food.getEffects().add(Pair.of(new MobEffectInstance(effect, duration, amplifier, ambient, visible, showIcon), chance));
+                });
+            }
+        });
+    }
 }