Added helper util functions for (de)compression.

src/client/component/colors.cpp

@@ -86,14 +86,14 @@ namespace colors
 			return string;
 		}
 
-		size_t get_client_name_stub(const int local_client_num, const int index, char* buf, const int size,
-		                            const size_t unk, const size_t unk2)
+		size_t get_client_name_stub(const int local_client_num, const int index, char* name_buf, 
+									const int max_name_size, char* clan_buf, const int max_clan_size)
 		{
-			// CL_GetClientName (CL_GetClientNameAndClantag?)
-			const auto result = reinterpret_cast<size_t(*)(int, int, char*, int, size_t, size_t)>(0x1402CF790)(
-				local_client_num, index, buf, size, unk, unk2);
+			// CL_GetClientNameAndClanTag (wrapper for CL_GetClientNameAndClanTagColorize)
+			const auto result = reinterpret_cast<size_t(*)(int, int, char*, int, char*, int)>(0x1402CF790)(
+				local_client_num, index, name_buf, max_name_size, clan_buf, max_clan_size);
 
-			utils::string::strip(buf, buf, size);
+			utils::string::strip(name_buf, name_buf, static_cast<size_t>(max_name_size));
 
 			return result;
 		}

src/common/utils/compression.cpp

@@ -109,6 +109,86 @@ namespace utils::compression
 			result.resize(length);
 			return result;
 		}
+
+		std::vector<std::uint8_t> decompress(std::span<const std::uint8_t> input, std::size_t exp_output_size, double growth_rate)
+		{
+			auto decompress_internal = [](std::uint8_t* output, uLong* output_size, const std::uint8_t* input, uLong* input_size)
+			{
+				return uncompress2(
+					reinterpret_cast<Bytef*>(output), output_size,
+					reinterpret_cast<const Bytef*>(input), input_size
+				);
+			};
+
+			auto output_size = static_cast<uLong>(std::max(exp_output_size, std::size_t(256)));
+			std::vector<std::uint8_t> output(output_size);
+
+			auto input_size = static_cast<uLong>(input.size());
+			auto status = decompress_internal(output.data(), &output_size, input.data(), &input_size);
+
+			if (status == Z_BUF_ERROR)
+			{
+				const auto decompression_ratio = (input_size / static_cast<double>(output.size())) - 0.04;
+				output_size = static_cast<uLong>(std::max(input.size() / decompression_ratio, static_cast<double>(output_size)));
+				output.resize(output_size);
+
+				input_size = static_cast<uLong>(input.size());
+				status = decompress_internal(output.data(), &output_size, input.data(), &input_size);
+			}
+
+			for (growth_rate = std::max(growth_rate, 1.0); status == Z_BUF_ERROR;)
+			{
+				output_size = 4 + static_cast<uLong>(growth_rate * output.size());
+				output.resize(output_size);
+
+				input_size = static_cast<uLong>(input.size());
+				status = decompress_internal(output.data(), &output_size, input.data(), &input_size);
+			}
+
+			if (status != Z_OK)
+			{
+				output.clear();
+				return output;
+			}
+
+			output.resize(output_size);
+			return output;
+		}
+
+		std::vector<std::uint8_t> compress(std::span<const std::uint8_t> input, std::size_t exp_output_size, double growth_rate)
+		{
+			auto compress_internal = [](std::uint8_t* output, uLong* output_size, const std::uint8_t* input, uLong input_size)
+			{
+				return compress2(
+					reinterpret_cast<Bytef*>(output), output_size,
+					reinterpret_cast<const Bytef*>(input), input_size,
+					Z_BEST_COMPRESSION
+				);
+			};
+
+			auto output_size = static_cast<uLong>(std::max(exp_output_size, std::size_t(256)));
+			std::vector<std::uint8_t> output(output_size);
+
+			const auto input_size = static_cast<uLong>(input.size());
+			auto status = compress_internal(output.data(), &output_size, input.data(), input_size);
+
+			for (growth_rate = std::max(growth_rate, 1.0); status == Z_BUF_ERROR;)
+			{
+				output_size = 4 + static_cast<uLong>(growth_rate * output.size());
+				output.resize(output_size);
+
+				status = compress_internal(output.data(), &output_size, input.data(), input_size);
+			}
+
+			if (status != Z_OK)
+			{
+				output.clear();
+				return output;
+			}
+
+			output.resize(output_size);
+			return output;
+		}
 	}
 
 	namespace zip

src/common/utils/compression.hpp

@@ -1,7 +1,9 @@
 #pragma once
 
+#include <span>
 #include <string>
 #include <unordered_map>
+#include <vector>
 
 #define CHUNK 16384u
 
@@ -11,6 +13,9 @@ namespace utils::compression
 	{
 		std::string compress(const std::string& data);
 		std::string decompress(const std::string& data);
+
+		std::vector<std::uint8_t> compress(std::span<const std::uint8_t> input, std::size_t exp_output_size, double growth_rate = 2.0);
+		std::vector<std::uint8_t> decompress(std::span<const std::uint8_t> input, std::size_t exp_output_size, double growth_rate = 2.0);
 	}
 
 	namespace zip

src/common/utils/string.cpp

@@ -115,13 +115,13 @@ namespace utils::string
 
 	void strip(const char* in, char* out, size_t max)
 	{
-		if (!in || !out) return;
+		if (!in || !out || !max) return;
 
 		max--;
 		auto current = 0u;
 		while (*in != 0 && current < max)
 		{
-			const auto color_index = (*(in + 1) - 48) >= 0xC ? 7 : (*(in + 1) - 48);
+			const auto color_index = (static_cast<size_t>(*(in + 1) - 48)) >= 0xC ? 7 : (*(in + 1) - 48);
 
 			if (*in == '^' && (color_index != 7 || *(in + 1) == '7'))
 			{
@@ -140,6 +140,32 @@ namespace utils::string
 		*out = '\0';
 	}
 
+	std::string strip(std::string_view sv, bool strip_default_color)
+	{
+		std::string in(sv);
+
+		for (std::size_t i = 0; i + 1 < in.size();)
+		{
+			if (in[i] == '^' && static_cast<std::size_t>(in[i + 1] - '0') < 0xC)
+			{
+				if (in[i + 1] != '7' || strip_default_color)
+				{
+					in.erase(in.begin() + i, in.begin() + i + 2);
+				}
+				else
+				{
+					i += 2;
+				}
+			}
+			else
+			{
+				i += 1;
+			}
+		}
+
+		return in;
+	}
+
 	std::string convert(const std::wstring& wstr)
 	{
 		std::string result;

src/common/utils/string.hpp

@@ -1,6 +1,7 @@
 #pragma once
 #include "memory.hpp"
 #include <cstdint>
+#include <span>
 
 template <class Type, size_t n>
 constexpr auto ARRAY_COUNT(Type(&)[n]) { return n; }
@@ -91,6 +92,7 @@ namespace utils::string
 	std::string get_clipboard_data();
 
 	void strip(const char* in, char* out, size_t max);
+	std::string strip(std::string_view sv, bool strip_default_color = false);
 
 	std::string convert(const std::wstring& wstr);
 	std::wstring convert(const std::string& str);