feat: merge pr #16 from Zzyxz/main

Updated Members and added functions: addKeyword and removeKeyword

Author: qudix

include/RE/B/BGSTypedKeywordValueArray.h

@@ -33,9 +33,11 @@ namespace RE
 	class BGSTypedKeywordValue
 	{
 	public:
-		// members
 		std::uint16_t keywordIndex;  // 0
+		std::uint16_t pad02;         // 2
+		std::uint32_t pad04;         // 4
 	};
+	static_assert(sizeof(BGSTypedKeywordValue<KeywordType::kNone>) == 0x8);
 
 	namespace detail
 	{
@@ -48,19 +50,83 @@ namespace RE
 	public:
 		[[nodiscard]] bool HasKeyword(BGSKeyword* a_keyword)
 		{
-			for (std::uint32_t i = 0; i < size; ++i) {
-				const auto kywd = detail::BGSKeywordGetTypedKeywordByIndex(TYPE, array[i].keywordIndex);
+			if (!a_keyword) {
+				return false;
+			}
+
+			for (auto it = begin; it != end; ++it) {
+				const auto kywd = detail::BGSKeywordGetTypedKeywordByIndex(TYPE, it->keywordIndex);
 				if (kywd == a_keyword) {
 					return true;
 				}
 			}
 			return false;
 		}
 
-		// members
-		BGSTypedKeywordValue<TYPE>* array;  // 00
-		std::uint32_t               size;   // 08
-		std::uint64_t               unk10;  // 10
+		[[nodiscard]] bool AddKeyword(BGSKeyword* a_keyword)
+		{
+			if (!a_keyword) {
+				return false;
+			}
+
+			auto first = reinterpret_cast<BGSKeyword**>(begin);
+			auto last = reinterpret_cast<BGSKeyword**>(end);
+
+			for (auto it = first; it != last; ++it) {
+				if (*it && (*it)->formID == a_keyword->formID) {
+					return false;
+				}
+			}
+
+			const auto oldSize = static_cast<std::size_t>(last - first);
+			const auto newSize = oldSize + 1;
+
+			auto* newData = static_cast<BGSKeyword**>(
+				RE::MemoryManager::GetSingleton()->Allocate(sizeof(BGSKeyword*) * newSize, 0, false));
+
+			if (!newData) {
+				return false;
+			}
+
+			for (std::size_t i = 0; i < oldSize; ++i) {
+				newData[i] = first[i];
+			}
+
+			newData[oldSize] = a_keyword;
+			auto oldFirst = first;
+			auto oldLast = last;
+			auto oldCap = reinterpret_cast<BGSKeyword**>(capacityEnd);
+
+			begin = reinterpret_cast<BGSTypedKeywordValue<TYPE>*>(newData);
+			end = reinterpret_cast<BGSTypedKeywordValue<TYPE>*>(newData + newSize);
+			capacityEnd = reinterpret_cast<BGSTypedKeywordValue<TYPE>*>(newData + newSize);
+			return true;
+		}
+
+		[[nodiscard]] bool RemoveKeyword(BGSKeyword* a_keyword)
+		{
+			if (!a_keyword) {
+				return false;
+			}
+			auto first = reinterpret_cast<BGSKeyword**>(begin);
+			auto last = reinterpret_cast<BGSKeyword**>(end);
+			for (auto it = first; it != last; ++it) {
+				if (*it && (*it)->formID == a_keyword->formID) {
+					for (auto jt = it; jt + 1 != last; ++jt) {
+						*jt = *(jt + 1);
+					}
+					--last;
+					*last = nullptr;
+					end = reinterpret_cast<BGSTypedKeywordValue<TYPE>*>(last);
+					return true;
+				}
+			}
+			return false;
+		}
+
+		BGSTypedKeywordValue<TYPE>* begin;        // 00
+		BGSTypedKeywordValue<TYPE>* end;          // 08
+		BGSTypedKeywordValue<TYPE>* capacityEnd;  // 10
 	};
 	static_assert(sizeof(BGSTypedKeywordValueArray<KeywordType::kNone>) == 0x18);
 }