Implements calling Lua.

src/iDrawable.h

@@ -0,0 +1,49 @@
+#pragma once
+
+#include "common.h"
+#include "Rasterbuffer.h"
+
+
+namespace gj {
+
+
+class iDrawable {
+ public:
+  iDrawable(iDrawable&&) = default;
+  iDrawable(const iDrawable&) = default;
+
+  iDrawable& operator=(iDrawable&&) = default;
+  iDrawable& operator=(const iDrawable&) = default;
+
+  iDrawable() = default;
+  virtual ~iDrawable() = default;
+
+  virtual void Draw(Colorbuffer& buf) const = 0;
+};
+
+class DrawableBase : public iDrawable {
+ public:
+  DrawableBase() = default;
+  ~DrawableBase() = default;
+
+  DrawableBase(DrawableBase&&) = default;
+  DrawableBase(const DrawableBase&) = default;
+
+  DrawableBase& operator=(DrawableBase&&) = default;
+  DrawableBase& operator=(const DrawableBase&) = default;
+
+  void SetMatrix(const mat3& m) {
+    SetMatrix(mat3(m));
+  }
+  void SetMatrix(mat3&& m) {
+    mat_    = std::move(m);
+    invmat_ = ::linalg::inverse(mat_);
+  }
+
+ protected:
+  mat3 mat_    = ::linalg::identity;
+  mat3 invmat_ = ::linalg::identity;
+};
+
+
+}