assimp_cmd: Add --verbose flag to 'info' command, to print node transforms.

tools/assimp_cmd/Info.cpp

@@ -47,9 +47,10 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include "Main.h"
 
 const char* AICMD_MSG_INFO_HELP_E =
-"assimp info <file> [-r]\n"
+"assimp info <file> [-r] [-v]\n"
 "\tPrint basic structure of a 3D model\n"
-"\t-r,--raw: No postprocessing, do a raw import\n";
+"\t-r,--raw: No postprocessing, do a raw import\n"
+"\t-v,--verbose: Print verbose info such as node transform data\n";
 
 
 // -----------------------------------------------------------------------------------
@@ -184,7 +185,7 @@ std::string FindPTypes(const aiScene* scene)
 
 // -----------------------------------------------------------------------------------
 void PrintHierarchy(const aiNode* root, unsigned int maxnest, unsigned int maxline,
-					unsigned int cline, unsigned int cnest=0)
+					unsigned int cline, bool verbose, unsigned int cnest=0)
 {
 	if (cline++ >= maxline || cnest >= maxnest) {
 		return;
@@ -194,8 +195,29 @@ void PrintHierarchy(const aiNode* root, unsigned int maxnest, unsigned int maxli
 		printf("-- ");
 	}
 	printf("\'%s\', meshes: %u\n",root->mName.data,root->mNumMeshes);
+
+	if (verbose) {
+		// print the actual transform
+		//printf(",");
+		aiVector3D s, r, t;
+		root->mTransformation.Decompose(s, r, t);
+		if (s.x != 1.0 || s.y != 1.0 || s.z != 1.0) {
+			for(unsigned int i = 0; i < cnest; ++i) { printf("   "); }
+			printf("      S:[%f %f %f]\n", s.x, s.y, s.z);
+		}
+		if (r.x || r.y || r.z) {
+			for(unsigned int i = 0; i < cnest; ++i) { printf("   "); }
+			printf("      R:[%f %f %f]\n", r.x, r.y, r.z);
+		}
+		if (t.x || t.y || t.z) {
+			for(unsigned int i = 0; i < cnest; ++i) { printf("   "); }
+			printf("      T:[%f %f %f]\n", t.x, t.y, t.z);
+		}
+	}
+	//printf("\n");
+
 	for (unsigned int i = 0; i < root->mNumChildren; ++i ) {
-		PrintHierarchy(root->mChildren[i],maxnest,maxline,cline,cnest+1);
+		PrintHierarchy(root->mChildren[i],maxnest,maxline,cline,verbose,cnest+1);
 		if(i == root->mNumChildren-1) {
 			for(unsigned int i = 0; i < cnest; ++i) {
 				printf("   ");
@@ -230,10 +252,23 @@ int Assimp_Info (const char* const* params, unsigned int num)
 
 	const std::string in  = std::string(params[0]);
 
+	// get -r and -v arguments
+	bool raw = false;
+	bool verbose = false;
+	for(unsigned int i = 1; i < num; ++i) {
+		if (!strcmp(params[i],"--raw")||!strcmp(params[i],"-r")) {
+			raw = true;
+		}
+		if (!strcmp(params[i],"--verbose")||!strcmp(params[i],"-v")) {
+			verbose = true;
+		}
+	}
+
 	// do maximum post-processing unless -r was specified
 	ImportData import;
-	import.ppFlags = num>1&&(!strcmp(params[1],"--raw")||!strcmp(params[1],"-r")) ? 0
-		: aiProcessPreset_TargetRealtime_MaxQuality;
+	if (!raw) {
+		import.ppFlags = aiProcessPreset_TargetRealtime_MaxQuality;
+	}
 
 	// import the main model
 	const aiScene* scene = ImportModel(import,in);
@@ -346,7 +381,7 @@ int Assimp_Info (const char* const* params, unsigned int num)
 
 	printf("\nNode hierarchy:\n");
 	unsigned int cline=0;
-	PrintHierarchy(scene->mRootNode,20,1000,cline);
+	PrintHierarchy(scene->mRootNode,20,1000,cline,verbose);
 
 	printf("\n");
 	return 0;