reading directories recusively when loading assets

.gitmodules

@@ -13,3 +13,6 @@
 [submodule "external/tinyxml2"]
 	path = external/tinyxml2
 	url = https://github.com/leethomason/tinyxml2
+[submodule "external/tinydir"]
+	path = external/tinydir
+	url = https://github.com/cxong/tinydir

CMakeLists.txt

@@ -27,6 +27,8 @@ endif()
 
 set(LIB_SRC ${RENDER} ${MATH} ${UTILS} ${GUI} ${ARMATURE} ${ASSET_MANAGER} ${ASSET_READERS} ${ANIM})
 
+
+include_directories(external/tinydir)
 include_directories(external/glm)
 include_directories(external/glm/glm)
 include_directories(external/glad)

abstractAssetReader.cpp

@@ -1,4 +0,0 @@
-#include "abstractAssetReader.h"
-
-namespace vb01{
-}

abstractAssetReader.h

@@ -4,12 +4,12 @@
 #include "asset.h"
 
 namespace vb01{
-		class AbstractAssetReader{
-				public:
-						virtual Asset* readAsset(std::string){return nullptr;}
-				protected:
-						AbstractAssetReader(){}
-		};
+	class AbstractAssetReader{
+		public:
+			virtual Asset* readAsset(std::string){return nullptr;}
+		protected:
+			AbstractAssetReader(){}
+	};
 }
 
 #endif

assetManager.cpp

@@ -5,49 +5,71 @@
 #include "fontReader.h"
 #include "xmlModelReader.h"
 
+#include <tinydir.h>
+
 #include <algorithm>
 
 using namespace std;
 
 namespace vb01{
-		AssetManager *assetManager = nullptr;
+	AssetManager *assetManager = nullptr;
 
-		AssetManager* AssetManager::getSingleton(){
-				if(!assetManager)
-						assetManager = new AssetManager();
+	AssetManager* AssetManager::getSingleton(){
+		if(!assetManager)
+			assetManager = new AssetManager();
 
-				return assetManager;
+		return assetManager;
+	}
+
+	void AssetManager::readDir(string path, vector<string> &contents, bool recursive){
+		tinydir_dir dir;
+		tinydir_open_sorted(&dir, path.c_str());
+
+		for(int i = 0; i < dir.n_files; i++){
+			tinydir_file file;
+			tinydir_readfile_n(&dir, &file, i);
+
+			if(file.is_dir && recursive)
+				readDir(path + file.name, contents, recursive);
+			else if(!file.is_dir)
+				contents.push_back(file.name);
 		}
 
-		void AssetManager::load(string path){
-				if(getAsset(path))
-						return;
+		tinydir_close(&dir);
+	}
 
-				string format = path.substr(path.find_last_of(".") + 1, string::npos);
-				AbstractAssetReader *assetReader = nullptr;
-				vector<string> imageFormats = vector<string>{"png", "jpeg", "jpg"};
+	void AssetManager::load(string path, bool recursive){
+		if(getAsset(path))
+			return;
 
-				if(find(imageFormats.begin(), imageFormats.end(), format) != imageFormats.end())
-						assetReader = ImageReader::getSingleton();
+		vector<string> files;
+		readDir(path, files, recursive);
 
-				vector<string> fontFormats = vector<string>{"ttf"};
+		string format = path.substr(path.find_last_of(".") + 1, string::npos);
+		AbstractAssetReader *assetReader = nullptr;
+		vector<string> imageFormats = vector<string>{"png", "jpeg", "jpg"};
 
-				if(find(fontFormats.begin(), fontFormats.end(), format) != fontFormats.end())
-						assetReader = FontReader::getSingleton();
+		if(find(imageFormats.begin(), imageFormats.end(), format) != imageFormats.end())
+			assetReader = ImageReader::getSingleton();
 
-				vector<string> modelFormats = vector<string>{"xml"};
+		vector<string> fontFormats = vector<string>{"ttf"};
 
-				if(find(modelFormats.begin(), modelFormats.end(), format) != modelFormats.end())
-						assetReader = XmlModelReader::getSingleton();
+		if(find(fontFormats.begin(), fontFormats.end(), format) != fontFormats.end())
+			assetReader = FontReader::getSingleton();
 
-				assets.push_back(assetReader->readAsset(path));
-		}
+		vector<string> modelFormats = vector<string>{"xml"};
 
-		Asset* AssetManager::getAsset(string path){
-				for(Asset *a : assets)
-						if(a->path == path)
-								return a;
-				
-				return nullptr;
-		}
+		if(find(modelFormats.begin(), modelFormats.end(), format) != modelFormats.end())
+			assetReader = XmlModelReader::getSingleton();
+
+		assets.push_back(assetReader->readAsset(path));
+	}
+
+	Asset* AssetManager::getAsset(string path){
+		for(Asset *a : assets)
+			if(a->path == path)
+				return a;
+		
+		return nullptr;
+	}
 }

assetManager.h

@@ -6,18 +6,19 @@
 #include <vector>
 
 namespace vb01{
-		class AbstractAssetReader;
+	class AbstractAssetReader;
 
-		class AssetManager{
-				public:
-						static AssetManager* getSingleton();
-						void load(std::string);
-						Asset* getAsset(std::string);
-				private:
-						AssetManager(){}
+	class AssetManager{
+		public:
+			static AssetManager* getSingleton();
+			void load(std::string, bool = false);
+			Asset* getAsset(std::string);
+		private:
+			AssetManager(){}
+			void readDir(std::string, std::vector<std::string>&, bool);
 
-						std::vector<Asset*> assets;
-		};
+			std::vector<Asset*> assets;
+	};
 }
 
 #endif