Add getFieldAccess

Signed-off-by: Graham <gpe@openrs2.dev>

asm/src/main/java/dev/openrs2/asm/classpath/AsmClassMetadata.kt

@@ -27,6 +27,10 @@ class AsmClassMetadata(
     override val methods
         get() = clazz.methods.map(::MemberDesc)
 
+    override fun getFieldAccess(field: MemberDesc): Int? {
+        return clazz.fields.find { it.name == field.name && it.desc == field.desc }?.access
+    }
+
     override fun getMethodAccess(method: MemberDesc): Int? {
         return clazz.methods.find { it.name == method.name && it.desc == method.desc }?.access
     }

asm/src/main/java/dev/openrs2/asm/classpath/ClassMetadata.kt

@@ -11,6 +11,7 @@ abstract class ClassMetadata {
     abstract val fields: List<MemberDesc>
     abstract val methods: List<MemberDesc>
 
+    abstract fun getFieldAccess(field: MemberDesc): Int?
     abstract fun getMethodAccess(method: MemberDesc): Int?
 
     fun isOverride(method: MemberDesc): Boolean {

asm/src/main/java/dev/openrs2/asm/classpath/ReflectionClassMetadata.kt

@@ -29,6 +29,11 @@ class ReflectionClassMetadata(private val classPath: ClassPath, private val claz
     override val methods
         get() = clazz.declaredMethods.map { MemberDesc(it.name, Type.getMethodDescriptor(it)) }
 
+    override fun getFieldAccess(field: MemberDesc): Int? {
+        return clazz.declaredFields.find { it.name == field.name && Type.getDescriptor(it.type) == field.desc }
+            ?.modifiers
+    }
+
     override fun getMethodAccess(method: MemberDesc): Int? {
         return clazz.declaredMethods.find { it.name == method.name && Type.getMethodDescriptor(it) == method.desc }
             ?.modifiers