More work on type registry/api

12 files changed, 121 insertions, 13 deletions

diff --git a/src/main/java/shcm/shsupercm/fabric/citresewn/CITResewn.java b/src/main/java/shcm/shsupercm/fabric/citresewn/CITResewn.java
index 807aa97..ce908ed 100644
--- a/src/main/java/shcm/shsupercm/fabric/citresewn/CITResewn.java
+++ b/src/main/java/shcm/shsupercm/fabric/citresewn/CITResewn.java
@@ -5,6 +5,7 @@ import net.fabricmc.api.ClientModInitializer;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 import shcm.shsupercm.fabric.citresewn.config.CITResewnConfig;
+import shcm.shsupercm.fabric.citresewn.pack.cit.CITRegistry;
 
 public class CITResewn implements ClientModInitializer {
     public static final Logger LOG = LogManager.getLogger("CITResewn");
@@ -13,7 +14,7 @@ public class CITResewn implements ClientModInitializer {
 
     @Override
     public void onInitializeClient() {
-        info("init");
+        CITRegistry.registerAll();
     }
 
     public static void info(String message) {
diff --git a/src/main/java/shcm/shsupercm/fabric/citresewn/api/Disposable.java b/src/main/java/shcm/shsupercm/fabric/citresewn/api/CITDisposable.java
index 85b8849..240f197 100644
--- a/src/main/java/shcm/shsupercm/fabric/citresewn/api/Disposable.java
+++ b/src/main/java/shcm/shsupercm/fabric/citresewn/api/CITDisposable.java
@@ -1,7 +1,7 @@
 package shcm.shsupercm.fabric.citresewn.api;
 
 @FunctionalInterface
-public interface Disposable {
+public interface CITDisposable {
     String ENTRYPOINT = "citresewn:dispose";
 
     void dispose();
diff --git a/src/main/java/shcm/shsupercm/fabric/citresewn/api/GlobalPropertiesHandler.java b/src/main/java/shcm/shsupercm/fabric/citresewn/api/CITGlobalProperties.java
index ac8228a..ada5147 100644
--- a/src/main/java/shcm/shsupercm/fabric/citresewn/api/GlobalPropertiesHandler.java
+++ b/src/main/java/shcm/shsupercm/fabric/citresewn/api/CITGlobalProperties.java
@@ -3,7 +3,7 @@ package shcm.shsupercm.fabric.citresewn.api;
 import shcm.shsupercm.fabric.citresewn.pack.format.PropertyValue;
 
 @FunctionalInterface
-public interface GlobalPropertiesHandler {
+public interface CITGlobalProperties {
     String ENTRYPOINT = "citresewn:global_property";
 
     void globalProperty(String key, PropertyValue value) throws Exception;
diff --git a/src/main/java/shcm/shsupercm/fabric/citresewn/api/CITTypeContainer.java b/src/main/java/shcm/shsupercm/fabric/citresewn/api/CITTypeContainer.java
new file mode 100644
index 0000000..d691ab2
--- /dev/null
+++ b/src/main/java/shcm/shsupercm/fabric/citresewn/api/CITTypeContainer.java
@@ -0,0 +1,22 @@
+package shcm.shsupercm.fabric.citresewn.api;
+
+import shcm.shsupercm.fabric.citresewn.pack.cit.CIT;
+import shcm.shsupercm.fabric.citresewn.pack.cit.CITType;
+
+import java.util.Collection;
+import java.util.function.Supplier;
+
+public abstract class CITTypeContainer<T extends CITType> implements CITDisposable {
+    public static final String ENTRYPOINT = "citresewn:type";
+    public final Class<T> type;
+    public final Supplier<T> createType;
+    public final String id;
+
+    public CITTypeContainer(Class<T> type, Supplier<T> createType, String id) {
+        this.type = type;
+        this.createType = createType;
+        this.id = id;
+    }
+
+    public abstract void load(Collection<CIT> parsedCITs);
+}
diff --git a/src/main/java/shcm/shsupercm/fabric/citresewn/ex/CITParsingException.java b/src/main/java/shcm/shsupercm/fabric/citresewn/ex/CITParsingException.java
new file mode 100644
index 0000000..964b58d
--- /dev/null
+++ b/src/main/java/shcm/shsupercm/fabric/citresewn/ex/CITParsingException.java
@@ -0,0 +1,13 @@
+package shcm.shsupercm.fabric.citresewn.ex;
+
+import shcm.shsupercm.fabric.citresewn.pack.format.PropertyGroup;
+
+public class CITParsingException extends Exception {
+    public CITParsingException(String message, PropertyGroup propertyGroup, int position) {
+        super("Errored while parsing CIT: " + descriptionOf(message, propertyGroup, position));
+    }
+
+    public static String descriptionOf(String message, PropertyGroup propertyGroup, int position) {
+        return message + " at " + position + " in " + propertyGroup.identifier.toString() + " from " + propertyGroup.packName;
+    }
+}
diff --git a/src/main/java/shcm/shsupercm/fabric/citresewn/ex/UnknownCITTypeException.java b/src/main/java/shcm/shsupercm/fabric/citresewn/ex/UnknownCITTypeException.java
new file mode 100644
index 0000000..eacbc69
--- /dev/null
+++ b/src/main/java/shcm/shsupercm/fabric/citresewn/ex/UnknownCITTypeException.java
@@ -0,0 +1,9 @@
+package shcm.shsupercm.fabric.citresewn.ex;
+
+import shcm.shsupercm.fabric.citresewn.pack.format.PropertyGroup;
+
+public class UnknownCITTypeException extends CITParsingException {
+    public UnknownCITTypeException(PropertyGroup propertyGroup, int position) {
+        super("Unknown type", propertyGroup, position);
+    }
+}
diff --git a/src/main/java/shcm/shsupercm/fabric/citresewn/pack/GlobalProperties.java b/src/main/java/shcm/shsupercm/fabric/citresewn/pack/GlobalProperties.java
index d4f89f0..c9e2cf8 100644
--- a/src/main/java/shcm/shsupercm/fabric/citresewn/pack/GlobalProperties.java
+++ b/src/main/java/shcm/shsupercm/fabric/citresewn/pack/GlobalProperties.java
@@ -8,7 +8,7 @@ import shcm.shsupercm.fabric.citresewn.CITResewn;
 import shcm.shsupercm.fabric.citresewn.pack.format.PropertyGroup;
 import shcm.shsupercm.fabric.citresewn.pack.format.PropertyKey;
 import shcm.shsupercm.fabric.citresewn.pack.format.PropertyValue;
-import shcm.shsupercm.fabric.citresewn.api.GlobalPropertiesHandler;
+import shcm.shsupercm.fabric.citresewn.api.CITGlobalProperties;
 
 import java.io.IOException;
 import java.io.InputStream;
@@ -37,7 +37,7 @@ public class GlobalProperties extends PropertyGroup {
     }
 
     public void callHandlers() {
-        for (EntrypointContainer<GlobalPropertiesHandler> container : FabricLoader.getInstance().getEntrypointContainers("citresewn:cit_global_properties", GlobalPropertiesHandler.class)) {
+        for (EntrypointContainer<CITGlobalProperties> container : FabricLoader.getInstance().getEntrypointContainers("citresewn:cit_global_properties", CITGlobalProperties.class)) {
             String containerNamespace = container.getProvider().getMetadata().getId();
             if (containerNamespace.equals("citresewn-defaults"))
                 containerNamespace = "citresewn";
diff --git a/src/main/java/shcm/shsupercm/fabric/citresewn/pack/PackParser.java b/src/main/java/shcm/shsupercm/fabric/citresewn/pack/PackParser.java
index 463d34a..4945120 100644
--- a/src/main/java/shcm/shsupercm/fabric/citresewn/pack/PackParser.java
+++ b/src/main/java/shcm/shsupercm/fabric/citresewn/pack/PackParser.java
@@ -41,7 +41,7 @@ public class PackParser {
                     globalProperties.load(pack.getName(), identifier, pack.open(ResourceType.CLIENT_RESOURCES, identifier));
                 } catch (ResourceNotFoundException ignored) {
                 } catch (IOException e) {
-                    CITResewn.logErrorLoading("Errored while loading global properties: " + identifier + " in " + pack.getName());
+                    CITResewn.logErrorLoading("Errored while loading global properties: " + identifier + " from " + pack.getName());
                     e.printStackTrace();
                 }
             }
diff --git a/src/main/java/shcm/shsupercm/fabric/citresewn/pack/cit/ActiveCITs.java b/src/main/java/shcm/shsupercm/fabric/citresewn/pack/cit/ActiveCITs.java
index f8df1ee..62f011e 100644
--- a/src/main/java/shcm/shsupercm/fabric/citresewn/pack/cit/ActiveCITs.java
+++ b/src/main/java/shcm/shsupercm/fabric/citresewn/pack/cit/ActiveCITs.java
@@ -3,11 +3,11 @@ package shcm.shsupercm.fabric.citresewn.pack.cit;
 import net.fabricmc.loader.api.FabricLoader;
 import net.minecraft.resource.ResourceManager;
 import net.minecraft.util.profiler.Profiler;
-import shcm.shsupercm.fabric.citresewn.api.Disposable;
+import shcm.shsupercm.fabric.citresewn.api.CITDisposable;
 import shcm.shsupercm.fabric.citresewn.pack.GlobalProperties;
 import shcm.shsupercm.fabric.citresewn.pack.PackParser;
 
-public class ActiveCITs implements Disposable { private ActiveCITs() {}
+public class ActiveCITs implements CITDisposable { private ActiveCITs() {}
     private static ActiveCITs active = null;
 
     public static ActiveCITs getActive() {
@@ -39,7 +39,7 @@ public class ActiveCITs implements Disposable { private ActiveCITs() {}
 
     @Override
     public void dispose() {
-        for (Disposable disposable : FabricLoader.getInstance().getEntrypoints(Disposable.ENTRYPOINT, Disposable.class))
+        for (CITDisposable disposable : FabricLoader.getInstance().getEntrypoints(CITDisposable.ENTRYPOINT, CITDisposable.class))
             disposable.dispose();
 
 
diff --git a/src/main/java/shcm/shsupercm/fabric/citresewn/pack/cit/CIT.java b/src/main/java/shcm/shsupercm/fabric/citresewn/pack/cit/CIT.java
index ee293ce..0eac632 100644
--- a/src/main/java/shcm/shsupercm/fabric/citresewn/pack/cit/CIT.java
+++ b/src/main/java/shcm/shsupercm/fabric/citresewn/pack/cit/CIT.java
@@ -3,10 +3,10 @@ package shcm.shsupercm.fabric.citresewn.pack.cit;
 import net.minecraft.util.Identifier;
 
 public class CIT {
-    private final Identifier propertiesIdentifier;
-    private final String packName;
-    private final CITType type;
-    private final CITCondition[] conditions;
+    public final Identifier propertiesIdentifier;
+    public final String packName;
+    public final CITType type;
+    public final CITCondition[] conditions;
 
     public CIT(Identifier propertiesIdentifier, String packName, CITType type, CITCondition[] conditions) {
         this.propertiesIdentifier = propertiesIdentifier;
@@ -14,4 +14,12 @@ public class CIT {
         this.type = type;
         this.conditions = conditions;
     }
+
+    public boolean test(CITContext context) {
+        for (CITCondition condition : conditions)
+            if (!condition.test(context))
+                return false;
+
+        return true;
+    }
 }
diff --git a/src/main/java/shcm/shsupercm/fabric/citresewn/pack/cit/CITRegistry.java b/src/main/java/shcm/shsupercm/fabric/citresewn/pack/cit/CITRegistry.java
new file mode 100644
index 0000000..9dd423b
--- /dev/null
+++ b/src/main/java/shcm/shsupercm/fabric/citresewn/pack/cit/CITRegistry.java
@@ -0,0 +1,48 @@
+package shcm.shsupercm.fabric.citresewn.pack.cit;
+
+import net.fabricmc.loader.api.FabricLoader;
+import net.minecraft.util.Identifier;
+import shcm.shsupercm.fabric.citresewn.api.CITTypeContainer;
+import shcm.shsupercm.fabric.citresewn.ex.CITParsingException;
+import shcm.shsupercm.fabric.citresewn.ex.UnknownCITTypeException;
+import shcm.shsupercm.fabric.citresewn.pack.format.PropertyGroup;
+import shcm.shsupercm.fabric.citresewn.pack.format.PropertyValue;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import static shcm.shsupercm.fabric.citresewn.CITResewn.info;
+
+public class CITRegistry {
+    private static final Map<Identifier, CITTypeContainer<? extends CITType>> TYPES = new HashMap<>();
+
+    public static void registerAll() {
+        info("Registering CIT Types");
+        for (var entrypointContainer : FabricLoader.getInstance().getEntrypointContainers(CITTypeContainer.ENTRYPOINT, CITTypeContainer.class)) {
+            String namespace = entrypointContainer.getProvider().getMetadata().getId();
+            if (namespace.equals("citresewn-defaults"))
+                namespace = "citresewn";
+
+            TYPES.put(new Identifier(namespace, entrypointContainer.getEntrypoint().id), (CITTypeContainer<? extends CITType>) entrypointContainer.getEntrypoint());
+        }
+    }
+
+    public static CITTypeContainer<? extends CITType> parseType(PropertyGroup properties) throws CITParsingException {
+        Identifier type = new Identifier("citresewn", "item");
+
+        PropertyValue propertiesType = properties.getLast("citresewn", "type");
+        if (propertiesType != null) {
+            String value = propertiesType.value();
+            if (!value.contains(":"))
+                value = "citresewn:" + value;
+            type = new Identifier(value);
+        }
+
+        CITTypeContainer<? extends CITType> typeContainer = TYPES.get(type);
+        if (typeContainer == null)
+            // assert (propertiesType != null) because the default citresewn:item should always be registered
+            throw new UnknownCITTypeException(properties, propertiesType == null ? -1 : propertiesType.position());
+
+        return typeContainer;
+    }
+}
diff --git a/src/main/java/shcm/shsupercm/fabric/citresewn/pack/format/PropertyGroup.java b/src/main/java/shcm/shsupercm/fabric/citresewn/pack/format/PropertyGroup.java
index 3864569..6955ac1 100644
--- a/src/main/java/shcm/shsupercm/fabric/citresewn/pack/format/PropertyGroup.java
+++ b/src/main/java/shcm/shsupercm/fabric/citresewn/pack/format/PropertyGroup.java
@@ -40,6 +40,13 @@ public abstract class PropertyGroup {
         return values;
     }
 
+    public PropertyValue getLast(String namespace, String... pathAliases) {
+        PropertyValue value = null;
+        for (Iterator<PropertyValue> iterator = get(namespace, pathAliases).iterator(); iterator.hasNext(); value = iterator.next());
+
+        return value;
+    }
+
     public static PropertyGroup tryParseGroup(String packName, Identifier identifier, InputStream is) throws IOException {
         PropertyGroup group = null;
         if (identifier.getPath().endsWith(PropertiesGroupAdapter.EXTENSION))