Update to Architectury Plugin 3.1 to support detecting the api FabricLoader

Signed-off-by: shedaniel <daniel@shedaniel.me>

build.gradle

@@ -1,6 +1,6 @@
 plugins {
-    id "architectury-plugin" version "3.0.97"
-    id "forgified-fabric-loom" version "0.6.78" apply false
+    id "architectury-plugin" version "3.1-SNAPSHOT"
+    id "forgified-fabric-loom" version "0.6-SNAPSHOT" apply false
     id "org.cadixdev.licenser" version "0.5.0"
     id "com.matthewprenger.cursegradle" version "1.4.0" apply false
     id "maven-publish"

common/src/main/java/me/shedaniel/architectury/Architectury.java

@@ -19,39 +19,14 @@
 
 package me.shedaniel.architectury;
 
-import com.google.common.collect.ImmutableMap;
-import org.apache.logging.log4j.LogManager;
+import me.shedaniel.architectury.targets.ArchitecturyTarget;
 import org.jetbrains.annotations.ApiStatus;
 
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Map;
-
 @ApiStatus.Internal
 public class Architectury {
-    private static final String MOD_LOADER;
-    private static final ImmutableMap<String,String> MOD_LOADERS = ImmutableMap.<String,String>builder()
-            .put("net.fabricmc.loader.FabricLoader", "fabric")
-            .put("net.minecraftforge.fml.common.Mod", "forge")
-            .build();
-    
+    @Deprecated
+    @ApiStatus.ScheduledForRemoval(inVersion = "2.0")
     public static String getModLoader() {
-        return MOD_LOADER;
-    }
-    
-    static {
-        List<String> loader = new ArrayList<>();
-        for (Map.Entry<String, String> entry : MOD_LOADERS.entrySet()) {
-            try {
-                Class.forName(entry.getKey(), false, Architectury.class.getClassLoader());
-                loader.add(entry.getValue());
-                break;
-            } catch (ClassNotFoundException ignored) {}
-        }
-        if (loader.isEmpty())
-            throw new IllegalStateException("No detected mod loader!");
-        if (loader.size() >= 2)
-            LogManager.getLogger().error("Detected multiple mod loaders! Something is wrong on the classpath! " + String.join(", ", loader));
-        MOD_LOADER = loader.get(0);
+        return ArchitecturyTarget.getCurrentTarget();
     }
 }

common/src/main/java/me/shedaniel/architectury/platform/Platform.java

@@ -21,9 +21,11 @@ package me.shedaniel.architectury.platform;
 
 import me.shedaniel.architectury.Architectury;
 import me.shedaniel.architectury.annotations.ExpectPlatform;
+import me.shedaniel.architectury.targets.ArchitecturyTarget;
 import me.shedaniel.architectury.utils.Env;
 import net.fabricmc.api.EnvType;
 import net.minecraft.SharedConstants;
+import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
 
 import java.nio.file.Path;
@@ -37,8 +39,12 @@ public final class Platform {
     
     /**
      * @return the current mod loader, either "fabric" or "forge"
+     * @deprecated does not reflect the true mod loader, "quilt" is never returned,
+     *             use {@link ArchitecturyTarget#getCurrentTarget()} instead.
      */
     @NotNull
+    @Deprecated
+    @ApiStatus.ScheduledForRemoval(inVersion = "2.0")
     public static String getModLoader() {
         return Architectury.getModLoader();
     }

settings.gradle

@@ -1,7 +1,7 @@
 pluginManagement {
     repositories {
         maven { url "https://maven.fabricmc.net/" }
-        maven { url "https://maven.shedaniel.me/" }
+        maven { url "https://maven.architectury.dev/" }
         maven { url "https://files.minecraftforge.net/maven/" }
         gradlePluginPortal()
     }