From 879ab8c80954ebe9f4762070ff5215608263bd12 Mon Sep 17 00:00:00 2001
From: Vladyslav Baranovskyi <int17ist@gmail.com>
Date: Mon, 3 Jun 2024 22:57:18 +0300
Subject: [PATCH] Added ryml to linker list, loading EngineConfiguration from a
 file(if exists)

---
 CMakeLists.txt                              |  2 +-
 openVulkanoCpp/Base/EngineConfiguration.cpp | 94 +++++++++++++++++++++
 openVulkanoCpp/Base/EngineConfiguration.hpp | 46 +++-------
 3 files changed, 106 insertions(+), 36 deletions(-)
 create mode 100644 openVulkanoCpp/Base/EngineConfiguration.cpp

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0ad81b9..7121b05 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -94,7 +94,7 @@ endif()
 
 list(APPEND CMAKE_PREFIX_PATH ${CMAKE_BINARY_DIR}/deps/INSTALL)
 
-target_link_libraries(openVulkanoCpp PRIVATE magic_enum yaml-cpp fmt spdlog glm pugixml stb eigen utf8cpp imgui_internal TracyClient stud-uuid)
+target_link_libraries(openVulkanoCpp PRIVATE magic_enum yaml-cpp fmt spdlog glm pugixml stb eigen utf8cpp imgui_internal TracyClient stud-uuid ryml)
 
 add_compile_definitions(LIBARCHIVE_STATIC)
 add_compile_definitions(NOMINMAX)
diff --git a/openVulkanoCpp/Base/EngineConfiguration.cpp b/openVulkanoCpp/Base/EngineConfiguration.cpp
new file mode 100644
index 0000000..b6446ee
--- /dev/null
+++ b/openVulkanoCpp/Base/EngineConfiguration.cpp
@@ -0,0 +1,94 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+#include <fstream>
+#include <string>
+#include <ryml.hpp>
+#include <ryml_std.hpp>
+
+#include "EngineConfiguration.hpp"
+#include "IO/AppFolders.hpp"
+
+namespace OpenVulkano
+{
+	EngineConfiguration::EngineConfiguration()
+	{
+		const std::string filePath = AppFolders::GetAppConfigHomeDir().string() + "/EngineConfig.yml";
+		std::ifstream file(filePath);
+		if (!file.is_open())
+		{
+			return;
+		}
+
+		const char *NUM_THREADS_STR                    = "num_threads";
+		const char *FRAMEBUFFER_CLEAR_COLOR_STR        = "framebuffer_clear_color";
+		const char *PREFER_FRAMEBUFFER_FORMAT_SRGB_STR = "prefer_framebuffer_format_srgb";
+
+		file.seekg(0, std::ios::end);
+		size_t size = file.tellg();
+		std::string buffer(size, ' ');
+		file.seekg(0);
+		file.read(buffer.data(), size); 
+
+		ryml::Tree tree = ryml::parse_in_arena(ryml::to_csubstr(buffer));
+		ryml::NodeRef root = tree.rootref();
+
+		if (root.has_child(NUM_THREADS_STR) && root[NUM_THREADS_STR].val().is_integer())
+		{
+			root[NUM_THREADS_STR] >> m_numThreads;
+		}
+
+		if (root.has_child(FRAMEBUFFER_CLEAR_COLOR_STR) && root[FRAMEBUFFER_CLEAR_COLOR_STR].is_seq() && root[FRAMEBUFFER_CLEAR_COLOR_STR].num_children() == 4)
+		{
+			auto clearColorNode = root[FRAMEBUFFER_CLEAR_COLOR_STR];
+			for (size_t i = 0; i < 4; ++i)
+			{
+				clearColorNode[i] >> m_frameBufferClearColor[i];
+			}
+		}
+
+		if (root.has_child(PREFER_FRAMEBUFFER_FORMAT_SRGB_STR))
+		{
+			root[PREFER_FRAMEBUFFER_FORMAT_SRGB_STR] >> m_preferFramebufferFormatSRGB;
+		}
+	}
+
+	EngineConfiguration* EngineConfiguration::GetEngineConfiguration()
+	{
+		static EngineConfiguration config;
+		return &config;
+	}
+
+	void EngineConfiguration::SetNumThreads(uint32_t numThreads)
+	{
+		m_numThreads = numThreads;
+	}
+
+	uint32_t EngineConfiguration::GetNumThreads() const
+	{
+		return std::max(static_cast<uint32_t>(1), m_numThreads);
+	}
+
+	void EngineConfiguration::SetFrameBufferClearColor(std::array<float, 4> frameBufferClearColor)
+	{
+		m_frameBufferClearColor = frameBufferClearColor;
+	}
+
+	const std::array<float, 4>& EngineConfiguration::GetFrameBufferClearColor() const
+	{
+		return m_frameBufferClearColor;
+	}
+
+	bool EngineConfiguration::GetPreferFramebufferFormatSRGB() const
+	{
+		return m_preferFramebufferFormatSRGB;
+	}
+
+	void EngineConfiguration::SetPreferFramebufferFormatSRGB(bool sRGB)
+	{
+		m_preferFramebufferFormatSRGB = sRGB;
+	}
+}
\ No newline at end of file
diff --git a/openVulkanoCpp/Base/EngineConfiguration.hpp b/openVulkanoCpp/Base/EngineConfiguration.hpp
index 867a522..d94a095 100644
--- a/openVulkanoCpp/Base/EngineConfiguration.hpp
+++ b/openVulkanoCpp/Base/EngineConfiguration.hpp
@@ -8,6 +8,7 @@
 
 #include <cstdint>
 #include <algorithm>
+#include <array>
 #undef max
 
 namespace OpenVulkano
@@ -15,7 +16,7 @@ namespace OpenVulkano
 	class EngineConfiguration
 	{
 	private:
-		EngineConfiguration() = default;
+		EngineConfiguration();
 		~EngineConfiguration() = default;
 
 		uint32_t m_numThreads = 1;
@@ -23,40 +24,15 @@ namespace OpenVulkano
 		bool m_preferFramebufferFormatSRGB = true;
 
 	public:
-		[[nodiscard]] static EngineConfiguration* GetEngineConfiguration()
-		{
-			static EngineConfiguration config;
-			return &config;
-		}
+		[[nodiscard]] static EngineConfiguration* GetEngineConfiguration();
 
-		void SetNumThreads(uint32_t numThreads)
-		{
-			m_numThreads = numThreads;
-		}
-
-		[[nodiscard]] uint32_t GetNumThreads() const
-		{
-			return std::max(static_cast<uint32_t>(1), m_numThreads);
-		}
-
-		void SetFrameBufferClearColor(std::array<float, 4> frameBufferClearColor)
-		{
-			m_frameBufferClearColor = frameBufferClearColor;
-		}
-
-		[[nodiscard]] const std::array<float, 4>& GetFrameBufferClearColor() const
-		{
-			return m_frameBufferClearColor;
-		}
-
-		[[nodiscard]] bool GetPreferFramebufferFormatSRGB() const
-		{
-			return m_preferFramebufferFormatSRGB;
-		}
-
-		void SetPreferFramebufferFormatSRGB(bool sRGB)
-		{
-			m_preferFramebufferFormatSRGB = sRGB;
-		}
+		void SetNumThreads(uint32_t numThreads);
+		[[nodiscard]] uint32_t GetNumThreads() const;
+		
+		void SetFrameBufferClearColor(std::array<float, 4> frameBufferClearColor);
+		[[nodiscard]] const std::array<float, 4>& GetFrameBufferClearColor() const;
+		
+		[[nodiscard]] bool GetPreferFramebufferFormatSRGB() const;
+		void SetPreferFramebufferFormatSRGB(bool sRGB);
 	};
 }
\ No newline at end of file