add jes.h, Core, and Runtime

Rakefile.rb

@@ -25,7 +25,8 @@ task :gui => :library do
   base_env.clone(clone: :all) do |env|
     env.parse_flags!("!sdl2-config --cflags --libs")
     env.parse_flags!("!freetype-config --cflags --libs")
-    env["LIBS"] += ["dl"]
+    env["LIBPATH"] += ["lib"]
+    env["LIBS"] += ["dl", "jes"]
     if RUBY_PLATFORM =~ /mingw/
       env["LIBS"] += ["opengl32"]
     else

src/gui/main.cc

@@ -1,6 +1,8 @@
 #include <iostream>
 #include "GUI.h"
 
+#include "jes.h"
+
 using namespace std;
 
 int main(int argc, char *argv[])

src/lib/include/jes.h

@@ -0,0 +1,15 @@
+#ifndef JES_H
+#define JES_H
+
+#include "jes/Core.h"
+#include "jes/Ref.h"
+
+namespace jes
+{
+    void JES_Init(const std::string & bin_path)
+    {
+        Core::instance.init(bin_path);
+    }
+}
+
+#endif

src/lib/include/jes/Core.h

@@ -0,0 +1,23 @@
+#ifndef JES_CORE_H
+#define JES_CORE_H
+
+#include "jes/Ref.h"
+#include <string>
+
+namespace jes
+{
+    typedef Ref<std::string> StringRef;
+
+    class Core
+    {
+    public:
+        static Core instance;
+
+        void init(const std::string & bin_path);
+
+    protected:
+        std::string m_bin_path;
+    };
+}
+
+#endif

src/lib/include/jes/Runtime.h

@@ -0,0 +1,21 @@
+#ifndef JES_RUNTIME_H
+#define JES_RUNTIME_H
+
+#include "jes/Core.h"
+
+namespace jes
+{
+    class Runtime
+    {
+    public:
+        enum
+        {
+            FONT,
+            SHADER,
+            COUNT,
+        };
+        static StringRef locate(int type, const std::string & name);
+    };
+}
+
+#endif

src/lib/src/Core.cc

@@ -0,0 +1,11 @@
+#include "jes/Core.h"
+
+namespace jes
+{
+    Core Core::instance;
+
+    void Core::init(const std::string & bin_path)
+    {
+        m_bin_path = bin_path;
+    }
+}

src/lib/src/Runtime.cc

@@ -0,0 +1,14 @@
+#include "jes/Runtime.h"
+
+namespace jes
+{
+    static const char * const runtime_directories[Runtime::COUNT] = {
+        "fonts",
+        "shaders",
+    };
+
+    StringRef Runtime::locate(int type, const std::string & name)
+    {
+        return NULL;
+    }
+}