readme

ResourceManager.h

@@ -0,0 +1,53 @@
+#ifndef RESOURCE_MANAGER_CLASS
+#define RESOURCE_MANAGER_CLASS
+
+#include <string>
+#include <unordered_map>
+#include <vector>
+
+#include <glm/glm.hpp>
+
+class Texture;
+class Font;
+class MeshData;
+
+// Owns every texture and font, so each file only loads once however many things use it.
+// Sounds are cached by SoundSystem, rigs and animations by CharacterManager.
+class ResourceManager {
+public:
+	ResourceManager() {}
+	~ResourceManager();   // needs the GL context, delete this before the window
+	ResourceManager(const ResourceManager&) = delete;
+
+	// Returns nullptr and logs it if the file can't be loaded
+	Texture* GetTexture(const std::string& path);
+	Font* GetFont(const std::string& path);
+
+	// Every mesh in a model file merged into one, in the file's own units. nullptr if it can't be read.
+	const MeshData* GetMeshData(const std::string& path);
+
+	// Just the meshes on the object called name in a model file, around that object's own origin rather than
+	// where the file placed it. For pieces meant to be attached to something, like a weapon on a hand.
+	const MeshData* GetMeshData(const std::string& path, const std::string& name);
+
+	// The base color texture of the first material in a model file that has one, embedded in it or in a file
+	// beside it. nullptr if it has none.
+	Texture* GetModelTexture(const std::string& path);
+
+	// Where the object called name sits in a model file, like an empty marking a gun's muzzle, in the same space
+	// GetMeshData(path) puts the model in. False if the file has nothing called that.
+	bool GetModelMarker(const std::string& path, const std::string& name, glm::mat4& transform);
+
+	// Not cached, every call makes a new texture that's free to be edited
+	Texture* CreateTexture(int width, int height);
+	Texture* CopyTexture(const Texture& source);
+
+private:
+	std::unordered_map<std::string, Texture*> textures;
+	std::unordered_map<std::string, Font*> fonts;
+	std::unordered_map<std::string, MeshData*> meshes;
+	std::unordered_map<std::string, std::pair<bool, glm::mat4>> markers;   // found or not, and where
+	std::vector<Texture*> createdTextures;
+};
+
+#endif