Adds AssetStore, TextureAssetStore (#188)

* Adds AssetStore, TextureAssetStore
  Adds ctest verbose output

.github/workflows/release.yml

@@ -109,7 +109,11 @@ jobs:
       working-directory: ${{github.workspace}}/build
       # Execute tests defined by the CMake configuration.
       # See https://cmake.org/cmake/help/latest/manual/ctest.1.html for more detail
-      run: ctest
+      run: |
+        export DISPLAY=:99
+        sudo Xvfb :99 -screen 0 800x600x24 &
+        sleep 5
+        MESA_GL_VERSION_OVERRIDE=3.3 ctest --output-on-failure --verbose
 
     - name: buildArtifact
       uses: actions/upload-artifact@v4
@@ -154,7 +158,12 @@ jobs:
       working-directory: ${{github.workspace}}/build
       # Execute tests defined by the CMake configuration.
       # See https://cmake.org/cmake/help/latest/manual/ctest.1.html for more detail
-      run: MESA_GL_VERSION_OVERRIDE=3.3 ctest --exclude-regex Vulkan
+      run: |
+        cp *.dll TestAssetStore/
+        export DISPLAY=:99
+        sudo Xvfb :99 -screen 0 800x600x24 &
+        sleep 5
+        MESA_GL_VERSION_OVERRIDE=3.3 ctest --output-on-failure --verbose --exclude-regex Vulkan
     
     - name: buildArtifact
       uses: actions/upload-artifact@v4
@@ -204,7 +213,7 @@ jobs:
       working-directory: ${{github.workspace}}/build
       # Execute tests defined by the CMake configuration.
       # See https://cmake.org/cmake/help/latest/manual/ctest.1.html for more detail
-      run: MESA_GL_VERSION_OVERRIDE=3.3 ctest --exclude-regex Vulkan
+      run: MESA_GL_VERSION_OVERRIDE=3.3 ctest --output-on-failure --verbose --exclude-regex Vulkan --exclude-regex assetStore
 
     - name: buildArtifact
       uses: actions/upload-artifact@v4

include/Util/assetStore.h

@@ -0,0 +1,88 @@
+#ifndef ASSETSTORE_H
+#define ASSETSTORE_H
+
+#include <jGL/jGL.h>
+#include <jGL/texture.h>
+
+#include <map>
+#include <filesystem>
+#include <memory>
+#include <iterator>
+
+namespace Hop::Util::Assets
+{
+    template <class T>
+    class AssetStore 
+    {
+    public:
+
+        AssetStore(std::filesystem::path root)
+        : root(root) 
+        {}
+
+        void scan() 
+        {
+            if (std::filesystem::is_directory(root))
+            {
+                scanDirectory(root);
+            }
+        };
+
+        virtual void load(std::filesystem::path assetPath) = 0;
+
+        std::shared_ptr<T> get(std::filesystem::path relative_path) { return assets[relative_path]; }
+
+        typename std::map<std::filesystem::path, std::shared_ptr<T>>::const_iterator begin() { return assets.cbegin(); }
+        typename std::map<std::filesystem::path, std::shared_ptr<T>>::const_iterator end() { return assets.cend(); }
+
+    protected:
+        std::filesystem::path root;
+        std::map<std::filesystem::path, std::shared_ptr<T>> assets;
+
+        virtual bool matchesAssetType(std::filesystem::path file) = 0;
+
+        void scanDirectory(std::filesystem::path dir)
+        {
+            for (auto const & entry : std::filesystem::directory_iterator{dir})
+            {
+                if (entry.is_regular_file())
+                {
+                    if (matchesAssetType(entry)) { load(entry); }
+                }
+                else
+                {
+                    scanDirectory(entry);
+                }
+            }
+        }
+    };
+
+    class TextureAssetStore : public AssetStore<jGL::Texture>
+    {
+    public:
+
+        TextureAssetStore(std::filesystem::path root, std::unique_ptr<jGL::jGLInstance> & instance)
+        : AssetStore<jGL::Texture>(root), instance(instance)
+        {}
+
+        void load(std::filesystem::path assetPath) 
+        {
+            std::filesystem::path relative = std::filesystem::relative(assetPath, root);
+            assets[relative] = instance->createTexture
+            (
+                assetPath.generic_string(),
+                jGL::Texture::Type::RGBA
+            );
+        };
+
+    protected:
+        std::unique_ptr<jGL::jGLInstance> & instance;
+
+        bool matchesAssetType(std::filesystem::path file) 
+        { 
+            static std::vector<std::string> extensions = {".png"};
+            return std::find(extensions.begin(), extensions.end(), file.extension().generic_string()) != extensions.end();
+        }
+    };
+}
+#endif /* ASSETSTORE_H */

tests/regression/CMakeLists.txt

@@ -1 +1,2 @@
-add_subdirectory(scriptPack)
+add_subdirectory(scriptPack)
+add_subdirectory(assets)

tests/regression/assets/CMakeLists.txt

@@ -0,0 +1,33 @@
+set(OUTPUT_NAME TestAssetStore)
+
+include_directories(.)
+
+if (WINDOWS)
+    if (RELEASE)
+        # launch as windows, not console app - so cmd does not open as well
+        add_link_options(-mwindows)
+    endif ()
+else()
+    # so nautilus etc recognise target as executable rather than .so
+    add_link_options(-no-pie)
+endif()
+
+add_executable(${OUTPUT_NAME} "main.cpp")
+
+target_link_libraries(${OUTPUT_NAME} Hop)
+
+set_target_properties(${OUTPUT_NAME} PROPERTIES RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/${OUTPUT_NAME}")
+
+file(COPY "resource" DESTINATION "${CMAKE_BINARY_DIR}/${OUTPUT_NAME}/")
+
+if (TEST_SUITE)
+    if(WINDOWS)
+        add_test(NAME assetStore COMMAND "${CMAKE_CROSSCOMPILING_EMULATOR}" "${CMAKE_BINARY_DIR}/${OUTPUT_NAME}/${OUTPUT_NAME}.exe")
+    else()
+        add_test(NAME assetStore COMMAND "/${CMAKE_BINARY_DIR}/${OUTPUT_NAME}/${OUTPUT_NAME}")
+    endif()
+    set_tests_properties(assetStore PROPERTIES
+        PASS_REGULAR_EXPRESSION "HEART\.png.*Pi\.png.*random\.png"
+        WORKING_DIRECTORY "${CMAKE_BINARY_DIR}/${OUTPUT_NAME}/"
+    )
+endif()

tests/regression/assets/main.cpp

@@ -0,0 +1,22 @@
+#include "main.h"
+#include <iostream>
+
+int main(int argc, char ** argv)
+{
+
+    jGL::DesktopDisplay::Config conf;
+    conf.VULKAN = false;
+    conf.COCOA_RETINA = false;
+
+    jGL::DesktopDisplay display(glm::ivec2(1,1),"Test TextureAssetStore", conf);
+    glewInit();
+    std::unique_ptr<jGL::jGLInstance> jGLInstance = std::move(std::make_unique<jGL::GL::OpenGLInstance>(display.getRes()));
+    Hop::Util::Assets::TextureAssetStore textureStore(std::filesystem::path("resource"), jGLInstance);
+    textureStore.scan();
+    for (auto tex : textureStore)
+    {
+        std::cout << tex.first << " ";
+    }
+
+    return 0;
+}

tests/regression/assets/main.h

@@ -0,0 +1,10 @@
+#ifndef MAIN_H
+#define MAIN_H
+
+#include <iostream>
+#include <Util/assetStore.h>
+
+#include <jGL/OpenGL/openGLInstance.h>
+#include <jGL/jGL.h>
+
+#endif /* MAIN_H */