From 201b19e8a6ad413fa3b7429119afda8451790e6e Mon Sep 17 00:00:00 2001
From: Xiao Qi <xiaoqi.loh@digipen.edu>
Date: Wed, 28 Sep 2022 18:35:22 +0800
Subject: [PATCH] SP3-237 Renamed MeshWriter to MeshCompiler Implemented
 texture compiler

---
 .../{SHMeshWriter.cpp => SHMeshCompiler.cpp}  |  4 +-
 .../{SHMeshWriter.h => SHMeshCompiler.h}      |  4 +-
 .../Assets/Libraries/SHTextureCompiler.cpp    | 50 +++++++++++++++++++
 .../src/Assets/Libraries/SHTextureCompiler.h  | 12 +++++
 4 files changed, 66 insertions(+), 4 deletions(-)
 rename SHADE_Engine/src/Assets/Libraries/{SHMeshWriter.cpp => SHMeshCompiler.cpp} (88%)
 rename SHADE_Engine/src/Assets/Libraries/{SHMeshWriter.h => SHMeshCompiler.h} (54%)
 create mode 100644 SHADE_Engine/src/Assets/Libraries/SHTextureCompiler.cpp
 create mode 100644 SHADE_Engine/src/Assets/Libraries/SHTextureCompiler.h

diff --git a/SHADE_Engine/src/Assets/Libraries/SHMeshWriter.cpp b/SHADE_Engine/src/Assets/Libraries/SHMeshCompiler.cpp
similarity index 88%
rename from SHADE_Engine/src/Assets/Libraries/SHMeshWriter.cpp
rename to SHADE_Engine/src/Assets/Libraries/SHMeshCompiler.cpp
index 965e7d68..1a9dede2 100644
--- a/SHADE_Engine/src/Assets/Libraries/SHMeshWriter.cpp
+++ b/SHADE_Engine/src/Assets/Libraries/SHMeshCompiler.cpp
@@ -1,9 +1,9 @@
 #include "SHpch.h"
-#include "SHMeshWriter.h"
+#include "SHMeshCompiler.h"
 
 #include <fstream>
 
-void SHADE::SHMeshWriter::WriteMeshBinary(SHMeshAsset const& asset, AssetPath path) noexcept
+void SHADE::SHMeshCompiler::CompileMeshBinary(SHMeshAsset const& asset, AssetPath path) noexcept
 {
 	std::ofstream file{path, std::ios::out | std::ios::binary};
 	if (!file.is_open())
diff --git a/SHADE_Engine/src/Assets/Libraries/SHMeshWriter.h b/SHADE_Engine/src/Assets/Libraries/SHMeshCompiler.h
similarity index 54%
rename from SHADE_Engine/src/Assets/Libraries/SHMeshWriter.h
rename to SHADE_Engine/src/Assets/Libraries/SHMeshCompiler.h
index 4a1a3e6b..090e241e 100644
--- a/SHADE_Engine/src/Assets/Libraries/SHMeshWriter.h
+++ b/SHADE_Engine/src/Assets/Libraries/SHMeshCompiler.h
@@ -5,10 +5,10 @@
 
 namespace SHADE
 {
-	class SHMeshWriter
+	class SHMeshCompiler
 	{
 	private:
 	public:
-		static void WriteMeshBinary(SHMeshAsset const& asset, AssetPath path) noexcept;
+		static void CompileMeshBinary(SHMeshAsset const& asset, AssetPath path) noexcept;
 	};
 }
\ No newline at end of file
diff --git a/SHADE_Engine/src/Assets/Libraries/SHTextureCompiler.cpp b/SHADE_Engine/src/Assets/Libraries/SHTextureCompiler.cpp
new file mode 100644
index 00000000..342a0aee
--- /dev/null
+++ b/SHADE_Engine/src/Assets/Libraries/SHTextureCompiler.cpp
@@ -0,0 +1,50 @@
+#include "SHpch.h"
+#include "SHTextureCompiler.h"
+
+#include <fstream>
+
+namespace SHADE
+{
+	void SHTextureCompiler::CompileTextureBinary(SHTextureAsset const& asset, AssetPath path)
+	{
+		std::ofstream file{path, std::ios::out | std::ios::binary};
+		if (!file.is_open())
+		{
+			SHLOG_ERROR("Unable to open file for writing texture file: {}", path.string());
+		}
+
+		auto const intBytes{sizeof(uint32_t)};
+
+		file.write(
+			reinterpret_cast<char const*>(&asset.numBytes),
+			intBytes
+		);
+
+		file.write(
+			reinterpret_cast<char const*>(&asset.width),
+			intBytes
+		);
+
+		file.write(
+			reinterpret_cast<char const*>(&asset.height),
+			intBytes
+		);
+
+		file.write(
+			reinterpret_cast<char const*>(&asset.format),
+			sizeof(SHTexture::PixelChannel)
+		);
+
+		file.write(
+			reinterpret_cast<char const*>(asset.mipOffsets.data()),
+			intBytes * asset.mipOffsets.size()
+		);
+
+		file.write(
+			reinterpret_cast<char const*>(asset.pixelData),
+			asset.numBytes
+		);
+
+		file.close();
+	}
+}
diff --git a/SHADE_Engine/src/Assets/Libraries/SHTextureCompiler.h b/SHADE_Engine/src/Assets/Libraries/SHTextureCompiler.h
new file mode 100644
index 00000000..494907f7
--- /dev/null
+++ b/SHADE_Engine/src/Assets/Libraries/SHTextureCompiler.h
@@ -0,0 +1,12 @@
+#pragma once
+
+#include "Assets/Asset Types/SHTextureAsset.h"
+#include "Assets/SHAssetMacros.h"
+
+namespace SHADE
+{
+	struct SHTextureCompiler
+	{
+		static void CompileTextureBinary(SHTextureAsset const& asset, AssetPath path);
+	};
+}
\ No newline at end of file