Reconstruct readable C++ and organize cohesive source subsystems

Administrative source import: native x86 compilation passed for 423 authored units. Source placement and submission states are migrated separately; this commit does not imply peer acceptance.

Previous head: 35d2a8cb36
Payload SHA256: 592f016d2730c5593bb653aa054c1e5f76a6df72c8f5a09e66f74876e2e33dee

Source/Contents/Effects/EffectAttachments.cpp

@@ -0,0 +1,66 @@
+#include "Contents/Effects/EffectAttachments.h"
+#include "Contents/Effects/EffectActor.h"
+#include "Contents/Effects/RagEffectState.h"
+
+// OFFSET: 0x00CADBE0
+// FUNCTION: fn_21062
+bool EffectAttachments::HasId(int id) const {
+  for (const RagEffectState* effect : this->effects) {
+    if (effect && effect->id == id) {
+      return true;
+    }
+  }
+
+  return false;
+}
+
+// OFFSET: 0x00CADC40
+// FUNCTION: fn_21064
+bool EffectAttachments::Contains(const RagEffectState* effect) const {
+  for (const RagEffectState* current : this->effects) {
+    if (current == effect) {
+      return true;
+    }
+  }
+
+  return false;
+}
+
+// ORIGINAL_SITE: 0x00CB4416 in fn_21111 (fragment)
+void EffectAttachments::Unlink(RagEffectState* effect) {
+  if (!effect) {
+    return;
+  }
+
+  for (auto entry = this->effects.begin(); entry != this->effects.end(); ++entry) {
+    if (*entry == effect) {
+      this->effects.erase(entry);
+
+      if (this->first == effect) {
+        this->first = nullptr;
+      } else if (this->second == effect) {
+        this->second = nullptr;
+      }
+
+      return;
+    }
+  }
+}
+
+// OFFSET: 0x00CA8C40
+void EffectAttachments::DetachAll() {
+  for (RagEffectState* effect : this->effects) {
+    if (effect) {
+      effect->parent = nullptr;
+    }
+  }
+
+  this->effects.clear();
+  this->first = nullptr;
+  this->second = nullptr;
+}
+
+// FUNCTION: fn_21063
+bool EffectActor::EffectVisible() const {
+  return this->render.visible != 0 && this->render.enabled != 0;
+}