From b6dced4b115fde178eb03eec924c47d35d77e75e Mon Sep 17 00:00:00 2001
From: ethan <jwkim@olimplanet.com>
Date: Wed, 10 Mar 2021 18:06:42 +0900
Subject: [PATCH] export with rotation

---
 tools/assimp_cmd/Main.cpp | 21 +++++++++++++++++++++
 tools/assimp_cmd/Main.h   |  4 ++++
 2 files changed, 25 insertions(+)

diff --git a/tools/assimp_cmd/Main.cpp b/tools/assimp_cmd/Main.cpp
index 6801100ac..7cb90a7d7 100644
--- a/tools/assimp_cmd/Main.cpp
+++ b/tools/assimp_cmd/Main.cpp
@@ -325,6 +325,14 @@ bool ExportModel(const aiScene* pOut,
 		PrintHorBar();
 	}
 
+	aiMatrix4x4 rx, ry, rz;
+    aiMatrix4x4::RotationX(imp.rot.x, rx);
+    aiMatrix4x4::RotationX(imp.rot.y, ry);
+    aiMatrix4x4::RotationX(imp.rot.z, rz);
+	pOut->mRootNode->mTransformation *= rx;
+    pOut->mRootNode->mTransformation *= ry;
+    pOut->mRootNode->mTransformation *= rz;
+
 	// do the actual export, measure time
 	const clock_t first = clock();
 	const aiReturn res = globalExporter->Export(pOut,pID,path);
@@ -493,6 +501,19 @@ int ProcessStandardArguments(
 		else if (! strcmp( param, "-v") || ! strcmp( param, "--verbose")) {
 			fill.verbose = true;
 		}
+		else if (!strncmp(params[i], "-rx=", 4) || !strncmp(params[i], "--rotation-x=", 13)) {
+            printf("%s", params[i]);
+            std::string value = std::string(params[i] + (params[i][1] == '-' ? 13 : 4));
+            fill.rot.x = std::stof(value);
+		} 
+		else if (!strncmp(params[i], "-ry=", 4) || !strncmp(params[i], "--rotation-y=", 13)) {
+            std::string value = std::string(params[i] + (params[i][1] == '-' ? 13 : 4));
+            fill.rot.y = std::stof(value);
+        } 
+		else if (!strncmp(params[i], "-rz=", 4) || !strncmp(params[i], "--rotation-z=", 13)) {
+            std::string value = std::string(params[i] + (params[i][1] == '-' ? 13 : 4));
+            fill.rot.z = std::stof(value);
+        }
 		else if (! strncmp( param, "--log-out=",10) || ! strncmp( param, "-lo",3)) {
 			fill.logFile = std::string(params[i]+(params[i][1] == '-' ? 10 : 3));
 			if (!fill.logFile.length()) {
diff --git a/tools/assimp_cmd/Main.h b/tools/assimp_cmd/Main.h
index bcd2e5c0f..e7fbb6c75 100644
--- a/tools/assimp_cmd/Main.h
+++ b/tools/assimp_cmd/Main.h
@@ -96,6 +96,7 @@ struct ImportData {
 		,	showLog (false)
 		,	verbose (false)
 		,	log	    (false)
+        ,   rot     (aiVector3D(0.f, 0.f, 0.f))
 	{}
 
 	/// Post-processing flags
@@ -112,6 +113,9 @@ struct ImportData {
 
 	// Need to log?
 	bool log;
+
+	// Export With Rotation
+	aiVector3D rot;
 };
 
 /// \enum AssimpCmdError