Fixed so calculating absolute positions, etc. works. Sets the field of all children to dirty if a transform field is altered. Will also set Position to dirty if Scale or Orientation is altered.

Moved some methods in ComponentWrapper to a .cpp.

src/Engine/Core/ComponentWrapper.cpp

@@ -0,0 +1,59 @@
+#include "Core/World.h"
+#include "Core/ComponentWrapper.h"
+
+ComponentWrapper::ComponentWrapper(const ComponentInfo& componentInfo, char* data, ::DirtyBitField* dirtyBitField, World* world)
+    : Info(componentInfo)
+    , EntityID(*reinterpret_cast<::EntityID*>(data))
+    , Data(data + componentInfo.GetHeaderSize())
+    , DirtyBitField(dirtyBitField)
+    , m_World(world)
+{}
+
+ComponentInfo::EnumType ComponentWrapper::Enum(const char* fieldName, const char* enumKey)
+{
+    return Info.Meta->FieldEnumDefinitions.at(fieldName).at(enumKey);
+}
+
+bool ComponentWrapper::Dirty(DirtySetType type, const std::string& fieldName)
+{
+    if (DirtyBitField == nullptr) {
+        return true;
+    } else {
+        auto& field = Info.Fields.at(fieldName);
+        return DirtyBitField->operator[](type).count(field.Index) == 1;
+    }
+}
+
+void ComponentWrapper::SetDirty(DirtySetType type, const std::string& fieldName, bool dirty /* = true */)
+{
+    if (DirtyBitField == nullptr) {
+        return;
+    }
+
+    auto& field = Info.Fields.at(fieldName);
+    if (dirty) {
+        DirtyBitField->operator[](type).insert(field.Index);
+        // Because parents affects children when altered, we also need to flag all children as dirty.
+        if (type == DirtySetType::Transform && m_World != nullptr) {
+            auto children = m_World->GetDirectChildren(EntityID);
+            for (auto kv = children.first; kv != children.second; ++kv) {
+                const auto& child = kv->second;
+                if (m_World->HasComponent(child, Info.Name)) {
+                    m_World->GetComponent(child, Info.Name).SetDirty(DirtySetType::Transform, fieldName, true);
+                    if (fieldName == "Orientation" || fieldName == "Scale") {
+                        m_World->GetComponent(child, Info.Name).SetDirty(DirtySetType::Transform, "Position", true);
+                    }
+                }
+            }
+        }
+    } else {
+        DirtyBitField->operator[](type).erase(field.Index);
+    }
+}
+
+void ComponentWrapper::SetAllDirty(const std::string& fieldName, bool dirty /* = true */)
+{
+    for (auto& kv : *DirtyBitField) {
+        SetDirty(kv.first, fieldName);
+    }
+}