Make neoforge.mods.toml a generated resource, making it compatible with running from IDE (#97)

Co-authored-by: Technici4n <13494793+Technici4n@users.noreply.github.com>

build.gradle

@@ -1,7 +1,5 @@
 plugins {
     id 'java-library'
-    id 'eclipse'
-    id 'idea'
     id 'maven-publish'
     id 'net.neoforged.moddev' version '1.0.14'
 }
@@ -139,9 +137,7 @@ dependencies {
 
 // This block of code expands all declared replace properties in the specified resource targets.
 // A missing property will result in an error. Properties are expanded using ${} Groovy notation.
-// When "copyIdeResources" is enabled, this will also run before the game launches in IDE environments.
-// See https://docs.gradle.org/current/dsl/org.gradle.language.jvm.tasks.ProcessResources.html
-tasks.withType(ProcessResources).configureEach {
+var generateModMetadata = tasks.register("generateModMetadata", ProcessResources) {
     var replaceProperties = [
             minecraft_version      : minecraft_version,
             minecraft_version_range: minecraft_version_range,
@@ -156,11 +152,15 @@ tasks.withType(ProcessResources).configureEach {
             mod_description        : mod_description
     ]
     inputs.properties replaceProperties
-
-    filesMatching(['META-INF/neoforge.mods.toml']) {
-        expand replaceProperties
-    }
+    expand replaceProperties
+    from "src/main/templates"
+    into "build/generated/sources/modMetadata"
 }
+// Include the output of "generateModMetadata" as an input directory for the build
+// this works with both building through Gradle and the IDE.
+sourceSets.main.resources.srcDir generateModMetadata
+// To avoid having to run "generateModMetadata" manually, make it run on every project reload
+neoForge.ideSyncTask generateModMetadata
 
 // Example configuration to allow publishing using the maven-publish plugin
 publishing {