Render+Asset: De-duplicate different manager classes into one for assets

src/inferno/application.cpp

@@ -17,16 +17,16 @@
 #include "inferno/event/keyevent.h"
 #include "inferno/event/mouseevent.h"
 // #include "inferno/io/gltffile.h"
+#include "inferno/asset/font.h"
 #include "inferno/io/input.h"
 #include "inferno/keycodes.h"
 #include "inferno/render/buffer.h"
 #include "inferno/render/context.h"
-#include "inferno/render/font.h"
 // #include "inferno/render/gltf.h"
+#include "inferno/asset/shader.h"
+#include "inferno/asset/texture.h"
 #include "inferno/render/render-command.h"
 #include "inferno/render/renderer.h"
-#include "inferno/render/shader.h"
-#include "inferno/render/texture.h"
 #include "inferno/scene/scene.h"
 #include "inferno/settings.h"
 #include "inferno/time.h"
@@ -78,13 +78,11 @@ Application::~Application()
 {
 	m_scene->destroy();
 
-	FontManager::destroy();
 	RendererFont::destroy();
 	Renderer2D::destroy();
 	RendererCubemap::destroy();
 	RenderCommand::destroy();
-	TextureManager::destroy();
-	ShaderManager::destroy();
+	AssetManager::destroy();
 	// Input::destroy();
 
 	Settings::destroy();

src/inferno/asset/asset-manager.cpp

@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2024 Riyyi
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#include <memory> // std::shared_ptr, std::static_pointer_cast
+#include <string>
+#include <string_view>
+
+#include "ruc/format/log.h"
+
+#include "inferno/asset/asset-manager.h"
+#include "inferno/asset/shader.h"
+
+namespace Inferno {
+
+// -----------------------------------------
+
+AssetManager::AssetManager(s)
+{
+	ruc::info("AssetManager initialized");
+}
+
+AssetManager::~AssetManager()
+{
+}
+
+void AssetManager::add(std::string_view path, std::shared_ptr<Asset> asset)
+{
+	// Construct (key, value) pair and insert it into the unordered_map
+	auto stringPath = std::string(path.begin(), path.end());
+	m_assetList.emplace(std::move(stringPath), std::move(asset));
+}
+
+bool AssetManager::exists(std::string_view path)
+{
+	return m_assetList.find(path.data()) != m_assetList.end();
+}
+
+void AssetManager::remove(std::string_view path)
+{
+	if (exists(path)) {
+		m_assetList.erase(path.data());
+	}
+}
+
+void AssetManager::remove(std::shared_ptr<Asset> asset)
+{
+	if (exists(asset->path())) {
+		m_assetList.erase(asset->path());
+	}
+}
+
+} // namespace Inferno

src/inferno/asset/asset-manager.h

@@ -0,0 +1,94 @@
+/*
+ * Copyright (C) 2024 Riyyi
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#pragma once
+
+#include <memory> // std::shared_ptr
+#include <string>
+#include <string_view>
+#include <unordered_map>
+
+#include "ruc/meta/assert.h"
+#include "ruc/meta/types.h"
+#include "ruc/singleton.h"
+
+namespace Inferno {
+
+class Asset {
+public:
+	virtual ~Asset() = default;
+
+	std::string path() const { return m_path; }
+
+	// -------------------------------------
+
+	std::string className() const { return typeid(*this).name(); }
+
+	template<typename T>
+	bool fastIs() const = delete;
+
+	virtual bool isFont() const { return false; }
+	virtual bool isShader() const { return false; }
+	virtual bool isTexture() const { return false; }
+	virtual bool isTexture2D() const { return false; }
+	virtual bool isTextureCubemap() const { return false; }
+
+protected:
+	Asset(std::string_view path)
+		: m_path(std::string(path.begin(), path.end()))
+	{
+	}
+
+protected:
+	std::string m_path;
+};
+
+// -----------------------------------------
+
+template<typename T>
+concept IsAsset = std::same_as<Asset, T> || std::derived_from<T, Asset>;
+
+// -----------------------------------------
+
+class AssetManager : public ruc::Singleton<AssetManager> {
+public:
+	AssetManager(s);
+	virtual ~AssetManager();
+
+	void add(std::string_view path, std::shared_ptr<Asset> asset);
+	bool exists(std::string_view path);
+	void remove(std::string_view path);
+	void remove(std::shared_ptr<Asset> asset);
+
+	template<IsAsset T>
+	std::shared_ptr<T> get(std::string_view path)
+	{
+		if (!exists(path)) {
+			return nullptr;
+		}
+
+		auto asset = m_assetList.at(path.data());
+		VERIFY(is<T>(asset.get()), "expected asset {}, got {}", typeid(T).name(), asset->className());
+		return std::static_pointer_cast<T>(asset);
+	}
+
+	template<IsAsset T>
+	std::shared_ptr<T> load(std::string_view path)
+	{
+		if (exists(path)) {
+			return get<T>(path);
+		}
+
+		auto asset = T::create(path);
+		add(path, asset);
+		return asset;
+	}
+
+private:
+	std::unordered_map<std::string, std::shared_ptr<Asset>> m_assetList;
+};
+
+} // namespace Inferno

src/inferno/asset/font.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2022 Riyyi
+ * Copyright (C) 2022-2024 Riyyi
  *
  * SPDX-License-Identifier: MIT
  */
@@ -7,32 +7,32 @@
 #include <array>    // std::array
 #include <charconv> // std;:from_chars
 #include <cstdint>  // int32_t, uint32_t
-#include <limits>   // std::numeric_limits
 #include <ranges>   // std::views::split
 #include <string>   // std::getline
-#include <utility>  // std::move
 
 #include "ruc/file.h"
-#include "ruc/format/log.h"
 #include "ruc/meta/assert.h"
 #include "ruc/meta/concepts.h"
 
-#include "inferno/render/font.h"
-#include "inferno/render/texture.h"
-#include "inferno/util/integer.h"
+#include "inferno/asset/font.h"
+#include "inferno/asset/texture.h"
 
 namespace Inferno {
 
-Font::Font(const std::string& name)
-	: m_name(std::move(name))
+std::shared_ptr<Font> Font::create(std::string_view path)
 {
-	std::string path = name + ".fnt";
-	std::string image = name + ".png";
+	auto result = std::shared_ptr<Font>(new Font(path));
 
-	std::string font = ruc::File(path).data();
-	parseFont(font);
+	auto stringPath = std::string(path);
+	std::string file = stringPath + ".fnt";
+	std::string image = stringPath + ".png";
 
-	m_texture = Texture2D::create(image);
+	std::string font = ruc::File(file).data();
+	result->parseFont(font);
+
+	result->m_texture = Texture2D::create(image);
+
+	return result;
 }
 
 // TODO: Move this to ruc
@@ -167,58 +167,6 @@ std::string Font::findValue(const std::string& key, const std::vector<std::strin
 	return "";
 }
 
-// -----------------------------------------
-
-FontManager::FontManager(s)
-{
-	ruc::info("FontManager initialized");
-}
-
-FontManager::~FontManager()
-{
-}
-
-void FontManager::add(const std::string& name, std::shared_ptr<Font> font)
-{
-	// Construct (key, value) pair and insert it into the unordered_map
-	m_fontList.emplace(std::move(name), std::move(font));
-}
-
-std::shared_ptr<Font> FontManager::load(const std::string& name)
-{
-	if (exists(name)) {
-		return get(name);
-	}
-
-	std::shared_ptr<Font> font = std::make_shared<Font>(name);
-	add(name, font);
-	return get(name);
-}
-
-std::shared_ptr<Font> FontManager::get(const std::string& name)
-{
-	return exists(name) ? m_fontList.at(name) : nullptr;
-}
-
-bool FontManager::exists(const std::string& name)
-{
-	return m_fontList.find(name) != m_fontList.end();
-}
-
-void FontManager::remove(const std::string& name)
-{
-	if (exists(name)) {
-		m_fontList.erase(name);
-	}
-}
-
-void FontManager::remove(std::shared_ptr<Font> font)
-{
-	if (exists(font->name())) {
-		m_fontList.erase(font->name());
-	}
-}
-
 } // namespace Inferno
 
 void ruc::format::Formatter<glm::ivec2>::format(Builder& builder, glm::ivec2 value) const

src/inferno/asset/font.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2022 Riyyi
+ * Copyright (C) 2022-2024 Riyyi
  *
  * SPDX-License-Identifier: MIT
  */
@@ -10,13 +10,15 @@
 #include <cstdint> // int32_t, uint32_t
 #include <memory>  // std::shared_ptr
 #include <string>  // std::string
+#include <string_view>
 #include <unordered_map> // std::unordered_map
 #include <vector>        // std::vector
 
 #include "glm/ext/vector_int2.hpp"  // glm::ivec2
 #include "glm/ext/vector_uint2.hpp" // glm::uvec2
 #include "ruc/format/format.h"
-#include "ruc/singleton.h"
+
+#include "inferno/asset/asset-manager.h"
 
 #define PADDING 3
 
@@ -35,11 +37,13 @@ struct Symbol {
 
 // -------------------------------------
 
-class Font {
+class Font final : public Asset {
 public:
-	Font(const std::string& name);
 	virtual ~Font() {}
 
+	// Factory function
+	static std::shared_ptr<Font> create(std::string_view path);
+
 	enum Padding {
 		Top = 0,
 		Right,
@@ -47,7 +51,6 @@ public:
 		Left,
 	};
 
-	inline std::string name() const { return m_name; }
 	inline uint32_t size() const { return m_size; }
 	inline uint32_t lineSpacing() const { return m_lineSpacing; }
 	inline std::shared_ptr<Texture> texture() const { return m_texture; }
@@ -56,12 +59,19 @@ public:
 	inline std::shared_ptr<Symbol> operator[](unsigned char c) const { return m_symbolList.at(c); }
 
 private:
+	Font(std::string_view path)
+		: Asset(path)
+	{
+	}
+
 	void parseFont(const std::string& font);
 	std::string findAction(const std::string& line) const;
 	std::vector<std::string> findColumns(const std::string& line) const;
 	std::string findValue(const std::string& key, const std::vector<std::string>& columns) const;
 
-	std::string m_name;
+	virtual bool isFont() const override { return true; }
+
+private:
 	unsigned char m_size = { 0 };
 	uint32_t m_lineSpacing = { 0 };
 	std::array<uint32_t, 4> m_padding = { 0 };
@@ -69,24 +79,12 @@ private:
 	std::unordered_map<unsigned char, std::shared_ptr<Symbol>> m_symbolList;
 };
 
-// -------------------------------------
+// -----------------------------------------
 
-class FontManager final : public ruc::Singleton<FontManager> {
-public:
-	FontManager(s);
-	virtual ~FontManager();
-
-	void add(const std::string& name, std::shared_ptr<Font> font);
-	std::shared_ptr<Font> load(const std::string& name);
-	std::shared_ptr<Font> get(const std::string& name);
-	bool exists(const std::string& name);
-
-	void remove(const std::string& name);
-	void remove(std::shared_ptr<Font> font);
-
-private:
-	std::unordered_map<std::string, std::shared_ptr<Font>> m_fontList;
-};
+// clang-format off
+template<>
+inline bool Asset::fastIs<Font>() const { return isFont(); }
+// clang-format on
 
 } // namespace Inferno
 

src/inferno/asset/shader.cpp

@@ -1,10 +1,9 @@
 /*
- * Copyright (C) 2022 Riyyi
+ * Copyright (C) 2022,2024 Riyyi
  *
  * SPDX-License-Identifier: MIT
  */
 
-#include <utility> // std::move
 #include <vector> // std::vector
 
 #include "glad/glad.h"
@@ -13,32 +12,34 @@
 #include "ruc/format/log.h"
 #include "ruc/meta/assert.h"
 
-#include "inferno/core.h"
-#include "inferno/render/shader.h"
+#include "inferno/asset/shader.h"
 
 namespace Inferno {
 
-Shader::Shader(const std::string& name)
-	: m_name(std::move(name))
-	, m_id(0)
+std::shared_ptr<Shader> Shader::create(std::string_view path)
 {
+	auto result = std::shared_ptr<Shader>(new Shader(path));
+
 	// Get file contents
-	std::string vertexSrc = ruc::File(name + ".vert").data();
-	std::string fragmentSrc = ruc::File(name + ".frag").data();
+	auto stringPath = std::string(path);
+	std::string vertexSrc = ruc::File(stringPath + ".vert").data();
+	std::string fragmentSrc = ruc::File(stringPath + ".frag").data();
 
 	// Compile shaders
-	uint32_t vertexID = compileShader(GL_VERTEX_SHADER, vertexSrc.c_str());
-	uint32_t fragmentID = compileShader(GL_FRAGMENT_SHADER, fragmentSrc.c_str());
+	uint32_t vertexID = result->compileShader(GL_VERTEX_SHADER, vertexSrc.c_str());
+	uint32_t fragmentID = result->compileShader(GL_FRAGMENT_SHADER, fragmentSrc.c_str());
 
 	// Link shaders
 	if (vertexID > 0 && fragmentID > 0) {
-		m_id = linkShader(vertexID, fragmentID);
+		result->m_id = result->linkShader(vertexID, fragmentID);
 	}
 	// Clear resources
 	else if (vertexID > 0)
 		glDeleteShader(vertexID);
 	else if (fragmentID > 0)
 		glDeleteShader(fragmentID);
+
+	return result;
 }
 
 Shader::~Shader()
@@ -49,62 +50,62 @@ Shader::~Shader()
 	}
 }
 
-int32_t Shader::findUniform(const std::string& name) const
+int32_t Shader::findUniform(std::string_view name) const
 {
-	int32_t location = glGetUniformLocation(m_id, name.c_str());
+	int32_t location = glGetUniformLocation(m_id, name.data());
 	VERIFY(location != -1, "Shader could not find uniform '{}'", name);
 	return location;
 }
 
-void Shader::setInt(const std::string& name, int value)
+void Shader::setInt(std::string_view name, int value)
 {
 	// Set uniform int
 	glUniform1i(findUniform(name), value);
 }
 
-void Shader::setInt(const std::string& name, int* values, uint32_t count)
+void Shader::setInt(std::string_view name, int* values, uint32_t count)
 {
 	// Set uniform int array
 	glUniform1iv(findUniform(name), count, values);
 }
 
-void Shader::setFloat(const std::string& name, float value) const
+void Shader::setFloat(std::string_view name, float value) const
 {
 	// Set uniform float
 	glUniform1f(findUniform(name), value);
 }
 
-void Shader::setFloat(const std::string& name, float v1, float v2, float v3, float v4) const
+void Shader::setFloat(std::string_view name, float v1, float v2, float v3, float v4) const
 {
 	// Set uniform vec4 data
 	glUniform4f(findUniform(name), v1, v2, v3, v4);
 }
 
-void Shader::setFloat(const std::string& name, glm::vec2 value) const
+void Shader::setFloat(std::string_view name, glm::vec2 value) const
 {
 	// Set uniform vec2 data
 	glUniform2f(findUniform(name), value.x, value.y);
 }
 
-void Shader::setFloat(const std::string& name, glm::vec3 value) const
+void Shader::setFloat(std::string_view name, glm::vec3 value) const
 {
 	// Set uniform vec3 data
 	glUniform3f(findUniform(name), value.x, value.y, value.z);
 }
 
-void Shader::setFloat(const std::string& name, glm::vec4 value) const
+void Shader::setFloat(std::string_view name, glm::vec4 value) const
 {
 	// Set uniform vec4 data
 	glUniform4f(findUniform(name), value.x, value.y, value.z, value.w);
 }
 
-void Shader::setFloat(const std::string& name, glm::mat3 matrix) const
+void Shader::setFloat(std::string_view name, glm::mat3 matrix) const
 {
 	// Set uniform mat3 data
 	glUniformMatrix3fv(findUniform(name), 1, GL_FALSE, glm::value_ptr(matrix));
 }
 
-void Shader::setFloat(const std::string& name, glm::mat4 matrix) const
+void Shader::setFloat(std::string_view name, glm::mat4 matrix) const
 {
 	// Set uniform mat4 data
 	glUniformMatrix4fv(findUniform(name), 1, GL_FALSE, glm::value_ptr(matrix));
@@ -199,80 +200,4 @@ int32_t Shader::checkStatus(uint32_t check, bool isProgram) const
 	return success;
 }
 
-// -----------------------------------------
-
-ShaderManager::ShaderManager(s)
-{
-	ruc::info("ShaderManager initialized");
-}
-
-ShaderManager::~ShaderManager()
-{
-}
-
-void ShaderManager::add(const std::string& name, std::shared_ptr<Shader> shader)
-{
-	// Construct (key, value) pair and insert it into the unordered_map
-	m_shaderList.emplace(std::move(name), std::move(shader));
-}
-
-std::shared_ptr<Shader> ShaderManager::load(const std::string& name)
-{
-	if (exists(name)) {
-		return get(name);
-	}
-
-	std::shared_ptr<Shader> shader = std::make_shared<Shader>(name);
-	add(name, shader);
-	return get(name);
-}
-
-std::shared_ptr<Shader> ShaderManager::load(const std::string& vertexSource,
-                                            const std::string& fragmentSource)
-{
-	std::string name = computeName(vertexSource, fragmentSource);
-	return load(name);
-}
-
-std::shared_ptr<Shader> ShaderManager::get(const std::string& name)
-{
-	return exists(name) ? m_shaderList.at(name) : nullptr;
-}
-
-bool ShaderManager::exists(const std::string& name)
-{
-	return m_shaderList.find(name) != m_shaderList.end();
-}
-
-void ShaderManager::remove(const std::string& name)
-{
-	if (exists(name)) {
-		m_shaderList.erase(name);
-	}
-}
-
-void ShaderManager::remove(std::shared_ptr<Shader> shader)
-{
-	if (exists(shader->name())) {
-		m_shaderList.erase(shader->name());
-	}
-}
-
-std::string ShaderManager::computeName(const std::string& vertexSource,
-                                       const std::string& fragmentSource)
-{
-	auto vertexPos = vertexSource.find_last_of('.');
-	auto fragmentPos = fragmentSource.find_last_of('.');
-
-	VERIFY(vertexPos != std::string::npos, "Shader did not have file extension: '{}'", vertexSource);
-	VERIFY(fragmentPos != std::string::npos, "Shader did not have file extension: '{}'", fragmentSource);
-
-	auto vertexName = vertexSource.substr(0, vertexPos);
-	auto fragmentName = vertexSource.substr(0, fragmentPos);
-
-	VERIFY(vertexName == fragmentName, "Shader names did not match: {} {}", vertexSource, fragmentSource);
-
-	return vertexName;
-}
-
 } // namespace Inferno

src/inferno/asset/shader.h

@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2022,2024 Riyyi
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#include <cstdint> // int32_t, uint32_t
+#include <string_view>
+
+#include "glm/fwd.hpp" // glm::mat3, glm::mat4, glm::vec2, glm::vec3
+
+#include "inferno/asset/asset-manager.h"
+
+namespace Inferno {
+
+class Shader : public Asset {
+public:
+	virtual ~Shader();
+
+	// Factory function
+	static std::shared_ptr<Shader> create(std::string_view path);
+
+	int32_t findUniform(std::string_view name) const;
+
+	void setInt(std::string_view name, int value);
+	void setInt(std::string_view name, int* values, uint32_t count);
+	void setFloat(std::string_view name, float value) const;
+	void setFloat(std::string_view name, float v1, float v2, float v3, float v4) const;
+	void setFloat(std::string_view name, glm::vec2 value) const;
+	void setFloat(std::string_view name, glm::vec3 value) const;
+	void setFloat(std::string_view name, glm::vec4 value) const;
+	void setFloat(std::string_view name, glm::mat3 matrix) const;
+	void setFloat(std::string_view name, glm::mat4 matrix) const;
+
+	void bind() const;
+	void unbind() const;
+
+	uint32_t id() const { return m_id; }
+
+protected:
+	uint32_t compileShader(int32_t type, const char* shaderSource) const;
+	uint32_t linkShader(uint32_t vertex, uint32_t fragment) const;
+	int32_t checkStatus(uint32_t check, bool isProgram = false) const;
+
+private:
+	Shader(std::string_view path)
+		: Asset(path)
+	{
+	}
+
+	virtual bool isShader() const override { return true; }
+
+private:
+	uint32_t m_id { 0 };
+};
+
+// -----------------------------------------
+
+// clang-format off
+template<>
+inline bool Asset::fastIs<Shader>() const { return isShader(); }
+// clang-format on
+
+} // namespace Inferno

src/inferno/asset/texture.cpp

@@ -7,15 +7,13 @@
 #include <climits> // UINT_MAX
 #include <cstdint> // uint8_t, uint32_t
 #include <memory>  // std::shared_ptr
-#include <utility> // std::move
 
 #include "glad/glad.h"
-#include "ruc/format/log.h"
 #include "ruc/meta/assert.h"
 #define STB_IMAGE_IMPLEMENTATION
 #include "stb/stb_image.h"
 
-#include "inferno/render/texture.h"
+#include "inferno/asset/texture.h"
 
 namespace Inferno {
 
@@ -35,10 +33,9 @@ void Texture::init(uint32_t width, uint32_t height, uint8_t channels)
 
 // -----------------------------------------
 
-std::shared_ptr<Texture> Texture2D::create(const std::string& path)
+std::shared_ptr<Texture2D> Texture2D::create(std::string_view path)
 {
-	auto result = std::shared_ptr<Texture2D>(new Texture2D);
-	result->m_path = path;
+	auto result = std::shared_ptr<Texture2D>(new Texture2D(path));
 
 	int width = 0;
 	int height = 0;
@@ -47,7 +44,7 @@ std::shared_ptr<Texture> Texture2D::create(const std::string& path)
 
 	// Load image data
 	stbi_set_flip_vertically_on_load(1);
-	data = stbi_load(path.c_str(), &width, &height, &channels, STBI_default);
+	data = stbi_load(path.data(), &width, &height, &channels, STBI_default);
 	VERIFY(data, "failed to load image: '{}'", path);
 
 	result->init(width, height, channels);
@@ -115,10 +112,9 @@ void Texture2D::create(unsigned char* data)
 
 // -----------------------------------------
 
-std::shared_ptr<Texture> TextureCubemap::create(const std::string& path)
+std::shared_ptr<TextureCubemap> TextureCubemap::create(std::string_view path)
 {
-	auto result = std::shared_ptr<TextureCubemap>(new TextureCubemap);
-	result->m_path = path;
+	auto result = std::shared_ptr<TextureCubemap>(new TextureCubemap(path));
 
 	result->create();
 
@@ -201,57 +197,7 @@ void TextureCubemap::create()
 	glBindTexture(GL_TEXTURE_CUBE_MAP, 0);
 }
 
-// -----------------------------------------
-
-TextureManager::TextureManager(s)
-{
-	ruc::info("TextureManager initialized");
-}
-
-TextureManager::~TextureManager()
-{
-}
-
-void TextureManager::add(const std::string& path, std::shared_ptr<Texture> texture)
-{
-	// Construct (key, value) pair and insert it into the unordered_map
-	m_textureList.emplace(std::move(path), std::move(texture));
-}
-
-std::shared_ptr<Texture> TextureManager::load(const std::string& path, Texture::Type type)
-{
-	if (exists(path)) {
-		return get(path);
-	}
-
-	auto texture = (type == Texture::TwoDimensional) ? Texture2D::create(path) : TextureCubemap::create(path);
-	add(path, texture);
-
-	return texture;
-}
-
-std::shared_ptr<Texture> TextureManager::get(const std::string& path)
-{
-	return exists(path) ? m_textureList.at(path) : nullptr;
-}
-
-bool TextureManager::exists(const std::string& path)
-{
-	return m_textureList.find(path) != m_textureList.end();
-}
-
-void TextureManager::remove(const std::string& path)
-{
-	if (exists(path)) {
-		m_textureList.erase(path);
-	}
-}
-
-void TextureManager::remove(std::shared_ptr<Texture> texture)
-{
-	if (exists(texture->path())) {
-		m_textureList.erase(texture->path());
-	}
-}
-
 } // namespace Inferno
+
+// FIXME
+// auto texture = (type == Texture::TwoDimensional) ? Texture2D::create(path) : TextureCubemap::create(path);

src/inferno/asset/texture.h

@@ -8,31 +8,24 @@
 
 #include <cstdint> // uint8_t, uint32_t
 #include <memory>  // std::shared_ptr
-#include <string>        // std::string
-#include <unordered_map> // std::unordered_map
+#include <string_view>
 
-#include "ruc/singleton.h"
+#include "inferno/asset/asset-manager.h"
 
 namespace Inferno {
 
 class Texture2D;
 class TextureCubemap;
 
-class Texture {
+class Texture : public Asset {
 public:
 	virtual ~Texture();
 
-	enum Type : uint8_t {
-		TwoDimensional = 0,
-		Cubemap,
-	};
-
 	void init(uint32_t width, uint32_t height, uint8_t channels);
 
 	virtual void bind(uint32_t unit = 0) const = 0;
 	virtual void unbind() const = 0;
 
-	std::string path() const { return m_path; }
 	uint32_t width() const { return m_width; }
 	uint32_t height() const { return m_height; }
 	uint32_t id() const { return m_id; }
@@ -40,21 +33,26 @@ public:
 	uint32_t dataFormat() const { return m_dataFormat; }
 
 	virtual bool is2D() const { return false; }
-	virtual bool isCubeMap() const { return false; }
+	virtual bool isCubemap() const { return false; }
 
 	friend Texture2D;
 	friend TextureCubemap;
 
 protected:
-	Texture() {}
+	Texture(std::string_view path)
+		: Asset(path)
+	{
+	}
 
 protected:
-	std::string m_path;
 	uint32_t m_width { 0 };
 	uint32_t m_height { 0 };
 	uint32_t m_id { 0 };
 	uint32_t m_internalFormat { 0 };
 	uint32_t m_dataFormat { 0 };
+
+private:
+	virtual bool isTexture() const override { return true; }
 };
 
 // -------------------------------------
@@ -64,15 +62,18 @@ public:
 	virtual ~Texture2D() = default;
 
 	// Factory function
-	static std::shared_ptr<Texture> create(const std::string& path);
+	static std::shared_ptr<Texture2D> create(std::string_view path);
 
 	virtual void bind(uint32_t unit = 0) const override;
 	virtual void unbind() const override;
 
 private:
-	Texture2D() {}
+	Texture2D(std::string_view path)
+		: Texture(path)
+	{
+	}
 
-	virtual bool is2D() const override { return true; }
+	virtual bool isTexture2D() const override { return true; }
 
 private:
 	void create(unsigned char* data);
@@ -85,37 +86,34 @@ public:
 	virtual ~TextureCubemap() = default;
 
 	// Factory function
-	static std::shared_ptr<Texture> create(const std::string& path);
+	static std::shared_ptr<TextureCubemap> create(std::string_view path);
 
 	virtual void bind(uint32_t unit = 0) const override;
 	virtual void unbind() const override;
 
 private:
-	TextureCubemap() {};
+	TextureCubemap(std::string_view path)
+		: Texture(path)
+	{
+	}
 
-	virtual bool isCubeMap() const override { return true; }
+	virtual bool isTextureCubemap() const override { return true; }
 
 private:
 	void create();
 };
 
-// -------------------------------------
-
-class TextureManager final : public ruc::Singleton<TextureManager> {
-public:
-	TextureManager(s);
-	~TextureManager();
+// -----------------------------------------
 
-	void add(const std::string& path, std::shared_ptr<Texture> texture);
-	std::shared_ptr<Texture> load(const std::string& path, Texture::Type type = Texture::Type::TwoDimensional);
-	std::shared_ptr<Texture> get(const std::string& path);
-	bool exists(const std::string& path);
+// clang-format off
+template<>
+inline bool Asset::fastIs<Texture>() const { return isTexture(); }
 
-	void remove(const std::string& path);
-	void remove(std::shared_ptr<Texture> texture);
+template<>
+inline bool Asset::fastIs<Texture2D>() const { return isTexture2D(); }
 
-private:
-	std::unordered_map<std::string, std::shared_ptr<Texture>> m_textureList;
-};
+template<>
+inline bool Asset::fastIs<TextureCubemap>() const { return isTextureCubemap(); }
+// clang-format on
 
 } // namespace Inferno

src/inferno/component/cubemap-component.cpp

@@ -6,9 +6,9 @@
 
 #include "ruc/json/json.h"
 
+#include "inferno/asset/texture.h"
 #include "inferno/component/cubemap-component.h"
 #include "inferno/component/spritecomponent.h" // TODO: Move glm::x toJson/fromJson to separate file
-#include "inferno/render/texture.h"
 
 namespace Inferno {
 
@@ -20,7 +20,7 @@ void fromJson(const ruc::Json& json, CubemapComponent& value)
 		json.at("color").getTo(value.color);
 	}
 	if (json.exists("texture") && json.at("texture").type() == ruc::Json::Type::String) {
-		value.texture = TextureManager::the().load(json.at("texture").asString(), Texture::Type::Cubemap);
+		value.texture = AssetManager::the().load<TextureCubemap>(json.at("texture").asString());
 	}
 }
 

src/inferno/component/cubemap-component.h

@@ -11,7 +11,7 @@
 #include "glm/ext/vector_float4.hpp" // glm::vec4
 #include "ruc/json/json.h"
 
-#include "inferno/render/texture.h"
+#include "inferno/asset/texture.h"
 
 namespace Inferno {
 

src/inferno/component/spritecomponent.cpp

@@ -5,7 +5,8 @@
  */
 
 #include "inferno/component/spritecomponent.h"
-#include "inferno/render/texture.h"
+#include "inferno/asset/asset-manager.h"
+#include "inferno/asset/texture.h"
 
 namespace Inferno {
 
@@ -17,7 +18,7 @@ void fromJson(const ruc::Json& json, SpriteComponent& value)
 		json.at("color").getTo(value.color);
 	}
 	if (json.exists("texture") && json.at("texture").type() == ruc::Json::Type::String) {
-		value.texture = TextureManager::the().load(json.at("texture").asString());
+		value.texture = AssetManager::the().load<Texture2D>(json.at("texture").asString());
 	}
 }
 

src/inferno/component/spritecomponent.h

@@ -11,7 +11,7 @@
 #include "glm/ext/vector_float4.hpp" // glm::vec4
 #include "ruc/json/json.h"
 
-#include "inferno/render/texture.h"
+#include "inferno/asset/texture.h"
 
 namespace Inferno {
 

src/inferno/render/renderer.cpp

@@ -10,12 +10,13 @@
 #include "glad/glad.h"
 #include "ruc/format/log.h"
 
+#include "inferno/asset/asset-manager.h"
+#include "inferno/asset/shader.h"
+#include "inferno/asset/texture.h"
 #include "inferno/component/transformcomponent.h"
 #include "inferno/render/buffer.h"
 #include "inferno/render/render-command.h"
 #include "inferno/render/renderer.h"
-#include "inferno/render/shader.h"
-#include "inferno/render/texture.h"
 
 namespace Inferno {
 
@@ -271,7 +272,7 @@ void Renderer2D::drawQuad(const TransformComponent& transform, glm::mat4 color,
 
 void Renderer2D::loadShader()
 {
-	m_shader = ShaderManager::the().load("assets/glsl/batch-quad");
+	m_shader = AssetManager::the().load<Shader>("assets/glsl/batch-quad");
 }
 
 // -----------------------------------------
@@ -384,7 +385,7 @@ void RendererCubemap::drawCubemap(const TransformComponent& transform, glm::mat4
 
 void RendererCubemap::loadShader()
 {
-	m_shader = ShaderManager::the().load("assets/glsl/batch-cubemap");
+	m_shader = AssetManager::the().load<Shader>("assets/glsl/batch-cubemap");
 }
 
 // -----------------------------------------
@@ -455,7 +456,7 @@ void RendererFont::drawSymbol(std::array<SymbolVertex, vertexPerQuad>& symbolQua
 
 void RendererFont::loadShader()
 {
-	m_shader = ShaderManager::the().load("assets/glsl/batch-font");
+	m_shader = AssetManager::the().load<Shader>("assets/glsl/batch-font");
 }
 
 } // namespace Inferno

src/inferno/render/shader.h

@@ -1,77 +0,0 @@
-/*
- * Copyright (C) 2022 Riyyi
- *
- * SPDX-License-Identifier: MIT
- */
-
-#pragma once
-
-#include <cstdint>       // int32_t, uint32_t
-#include <memory>        // std::shared_ptr
-#include <string>        // std::string
-#include <unordered_map> // std::unordered_map
-
-#include "glm/glm.hpp"
-#include "ruc/singleton.h"
-
-namespace Inferno {
-
-class Shader {
-public:
-	Shader(const std::string& name);
-	virtual ~Shader();
-
-	int32_t findUniform(const std::string& name) const;
-
-	void setInt(const std::string& name, int value);
-	void setInt(const std::string& name, int* values, uint32_t count);
-	void setFloat(const std::string& name, float value) const;
-	void setFloat(const std::string& name, float v1, float v2, float v3, float v4) const;
-	void setFloat(const std::string& name, glm::vec2 value) const;
-	void setFloat(const std::string& name, glm::vec3 value) const;
-	void setFloat(const std::string& name, glm::vec4 value) const;
-	void setFloat(const std::string& name, glm::mat3 matrix) const;
-	void setFloat(const std::string& name, glm::mat4 matrix) const;
-
-	void bind() const;
-	void unbind() const;
-
-	inline std::string name() const { return m_name; }
-	inline uint32_t id() const { return m_id; }
-
-protected:
-	uint32_t compileShader(int32_t type, const char* shaderSource) const;
-	uint32_t linkShader(uint32_t vertex, uint32_t fragment) const;
-	int32_t checkStatus(uint32_t check, bool isProgram = false) const;
-
-private:
-	std::string m_name;
-	uint32_t m_id;
-};
-
-// -------------------------------------
-
-class ShaderManager final : public ruc::Singleton<ShaderManager> {
-public:
-	ShaderManager(s);
-	virtual ~ShaderManager();
-
-	void add(const std::string& name, std::shared_ptr<Shader> shader);
-	std::shared_ptr<Shader> load(const std::string& name);
-	std::shared_ptr<Shader> load(const std::string& vertexSource,
-	                             const std::string& fragmentSource);
-	std::shared_ptr<Shader> get(const std::string& name);
-	bool exists(const std::string& name);
-
-	void remove(const std::string& name);
-	void remove(std::shared_ptr<Shader> shader);
-
-protected:
-	std::string computeName(const std::string& vertexSource,
-	                        const std::string& fragmentSource);
-
-private:
-	std::unordered_map<std::string, std::shared_ptr<Shader>> m_shaderList;
-};
-
-} // namespace Inferno

src/inferno/system/textareasystem.cpp

@@ -4,17 +4,15 @@
  * SPDX-License-Identifier: MIT
  */
 
-#include <algorithm> // std::max
-
 #include "ruc/format/log.h"
 #include "ruc/meta/assert.h"
 
 #include "inferno/application.h"
+#include "inferno/asset/font.h"
+#include "inferno/asset/texture.h"
 #include "inferno/component/textareacomponent.h"
 #include "inferno/component/transformcomponent.h"
-#include "inferno/render/font.h"
 #include "inferno/render/renderer.h"
-#include "inferno/render/texture.h"
 #include "inferno/scene/scene.h"
 #include "inferno/system/textareasystem.h"
 #include "inferno/window.h"
@@ -46,7 +44,7 @@ void TextAreaSystem::render()
 		// Calculate symbol quad
 		// Submit symbol quad for rendering
 
-		std::shared_ptr<Font> font = FontManager::the().load(textarea.font);
+		std::shared_ptr<Font> font = AssetManager::the().load<Font>(textarea.font);
 		// glm::mat4 translate = transform.translate;
 
 		m_symbols.clear();

src/inferno/system/textareasystem.h

@@ -6,15 +6,13 @@
 
 #pragma once
 
-#include <cstdint>  // std::uint32_t
 #include <memory>   // std::shared_ptr
 #include <optional> // std::optional
 #include <vector>   // std::vector
 
-#include "glm/ext/vector_float3.hpp" // glm::vec3
 #include "ruc/singleton.h"
 
-#include "inferno/render/font.h"
+#include "inferno/asset/font.h"
 #include "inferno/render/renderer.h"
 
 namespace Inferno {

vendor/ruc

@@ -1 +1 @@
-Subproject commit 07c9f9959d3ce46da8bc7b0777d803524f9d1ec0
+Subproject commit 85209522358c83dc28df2499b4d70c754121e74d