Initial project setup for MoreStrongholds mod

Add core mod files, build configuration, mixin for stronghold placement, and data resources to enable extended stronghold generation in Minecraft. Includes Gradle setup, MIT license, mod metadata, and structure definitions.

.gitignore

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+/.gradle
+/.idea
+/build
+/run

LICENSE.txt

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+The MIT License (MIT)
+
+Copyright (c) 2025 
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

build.gradle

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+plugins {
+    id 'fabric-loom' version '1.14-SNAPSHOT'
+    id 'maven-publish'
+}
+
+version = project.mod_version
+group = project.maven_group
+
+base {
+    archivesName = project.archives_base_name
+}
+
+
+repositories {
+    // Add repositories to retrieve artifacts from in here.
+    // You should only use this when depending on other mods because
+    // Loom adds the essential maven repositories to download Minecraft and libraries from automatically.
+    // See https://docs.gradle.org/current/userguide/declaring_repositories.html
+    // for more information about repositories.
+}
+
+dependencies {
+    // To change the versions see the gradle.properties file
+    minecraft "com.mojang:minecraft:${project.minecraft_version}"
+    mappings "net.fabricmc:yarn:${project.yarn_mappings}:v2"
+    modImplementation "net.fabricmc:fabric-loader:${project.loader_version}"
+
+    modImplementation "net.fabricmc.fabric-api:fabric-api:${project.fabric_version}"
+}
+
+processResources {
+    inputs.property "version", project.version
+    inputs.property "minecraft_version", project.minecraft_version
+    inputs.property "loader_version", project.loader_version
+    filteringCharset "UTF-8"
+
+    filesMatching("fabric.mod.json") {
+        expand "version": project.version,
+                "minecraft_version": project.minecraft_version,
+                "loader_version": project.loader_version
+    }
+}
+
+def targetJavaVersion = 21
+tasks.withType(JavaCompile).configureEach {
+    // ensure that the encoding is set to UTF-8, no matter what the system default is
+    // this fixes some edge cases with special characters not displaying correctly
+    // see http://yodaconditions.net/blog/fix-for-java-file-encoding-problems-with-gradle.html
+    // If Javadoc is generated, this must be specified in that task too.
+    it.options.encoding = "UTF-8"
+    if (targetJavaVersion >= 10 || JavaVersion.current().isJava10Compatible()) {
+        it.options.release.set(targetJavaVersion)
+    }
+}
+
+java {
+    def javaVersion = JavaVersion.toVersion(targetJavaVersion)
+    if (JavaVersion.current() < javaVersion) {
+        toolchain.languageVersion = JavaLanguageVersion.of(targetJavaVersion)
+    }
+    // Loom will automatically attach sourcesJar to a RemapSourcesJar task and to the "build" task
+    // if it is present.
+    // If you remove this line, sources will not be generated.
+    withSourcesJar()
+}
+
+jar {
+    from("LICENSE") {
+        rename { "${it}_${project.archivesBaseName}" }
+    }
+}
+
+// configure the maven publication
+publishing {
+    publications {
+        create("mavenJava", MavenPublication) {
+            artifactId = project.archives_base_name
+            from components.java
+        }
+    }
+
+    // See https://docs.gradle.org/current/userguide/publishing_maven.html for information on how to set up publishing.
+    repositories {
+        // Add repositories to publish to here.
+        // Notice: This block does NOT have the same function as the block in the top level.
+        // The repositories here will be used for publishing your artifact, not for
+        // retrieving dependencies.
+    }
+}

gradle.properties

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+# Done to increase the memory available to gradle.
+org.gradle.jvmargs=-Xmx1G
+# Fabric Properties
+# check these on https://modmuss50.me/fabric.html
+minecraft_version=1.21.10
+yarn_mappings=1.21.10+build.3
+loader_version=0.18.1
+# Mod Properties
+mod_version=1.0
+maven_group=com.kasetoatz
+archives_base_name=morestrongholds
+# Dependencies
+# check this on https://modmuss50.me/fabric.html
+fabric_version=0.138.3+1.21.10

gradle/wrapper/gradle-wrapper.properties

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+distributionUrl=https\://services.gradle.org/distributions/gradle-9.2.1-bin.zip

settings.gradle

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+pluginManagement {
+    repositories {
+        maven {
+            name = 'Fabric'
+            url = 'https://maven.fabricmc.net/'
+        }
+        gradlePluginPortal()
+    }
+}

src/main/java/com/kasetoatz/morestrongholds/mixin/StructurePlacementMixin.java

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+package com.kasetoatz.morestrongholds.mixin;
+
+import com.llamalad7.mixinextras.injector.ModifyReturnValue;
+import com.llamalad7.mixinextras.sugar.Local;
+import net.minecraft.world.gen.chunk.placement.StructurePlacement;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
+import org.spongepowered.asm.mixin.injection.At;
+
+@Mixin(StructurePlacement.class)
+public abstract class StructurePlacementMixin
+{
+    @Shadow protected abstract int getSalt();
+
+    @ModifyReturnValue(method="shouldGenerate", at=@At("RETURN"))
+    private boolean shouldGenerate(boolean value, @Local(ordinal = 0, argsOnly = true) int chunkX, @Local(ordinal = 1, argsOnly = true) int chunkZ)
+    {
+        if (getSalt() != Math.abs("morestrongholds".hashCode()))
+        {
+            return value;
+        }
+        return value && Math.sqrt(chunkX * chunkX + chunkZ * chunkZ) * 16 > 25000;
+    }
+}

src/main/resources/data/minecraft/tags/worldgen/structure/eye_of_ender_located.json

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+{
+  "values": [
+    "minecraft:stronghold",
+    "morestrongholds:extended_stronghold"
+  ]
+}

src/main/resources/data/morestrongholds/worldgen/structure/extended_stronghold.json

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+{
+  "type": "minecraft:stronghold",
+  "biomes": "#minecraft:has_structure/stronghold",
+  "spawn_overrides": {},
+  "step": "surface_structures",
+  "terrain_adaptation": "bury"
+}

src/main/resources/data/morestrongholds/worldgen/structure_set/extended_strongholds.json

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+{
+  "placement": {
+    "type": "minecraft:random_spread",
+    "preferred_biomes": "#minecraft:stronghold_biased_to",
+    "spacing": 256,
+    "separation": 64,
+    "salt": 2034007832
+  },
+  "structures": [
+    {
+      "structure": "morestrongholds:extended_stronghold",
+      "weight": 1
+    }
+  ]
+}

src/main/resources/fabric.mod.json

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+{
+  "schemaVersion": 1,
+  "id": "morestrongholds",
+  "version": "${version}",
+  "name": "MoreStrongholds",
+  "description": "This mod fills your world with strongholds, all the way to the world border.",
+  "authors": ["KaseToatz"],
+  "contact": {
+    "email": "kasetoatz@kasetoatz.com",
+    "homepage": "https://modrinth.com/mod/morestrongholds",
+    "issues": "https://git.kasetoatz.com/KaseToatz/MoreStrongholds/issues",
+    "sources": "https://git.kasetoatz.com/KaseToatz/MoreStrongholds"
+  },
+  "license": "MIT",
+  "icon": "icon.png",
+  "environment": "*",
+  "mixins": [
+    "morestrongholds.mixins.json"
+  ],
+  "depends": {
+    "fabricloader": ">=${loader_version}",
+    "fabric": "*",
+    "minecraft": "${minecraft_version}"
+  }
+}

src/main/resources/morestrongholds.mixins.json

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+{
+  "required": true,
+  "minVersion": "0.8",
+  "package": "com.kasetoatz.morestrongholds.mixin",
+  "compatibilityLevel": "JAVA_21",
+  "mixins": [
+    "StructurePlacementMixin"
+  ],
+  "client": [
+  ],
+  "injectors": {
+    "defaultRequire": 1
+  },
+  "overwrites": {
+    "requireAnnotations": true
+  }
+}