[nostalgia] Add start for Scene editor in Studio

src/nostalgia/core/context.hpp

@@ -9,10 +9,22 @@
 #include <ox/std/buffer.hpp>
 
 #include <nostalgia/foundation/context.hpp>
+#include <nostalgia/geo/size.hpp>
 
 #include "event.hpp"
 #include "input.hpp"
 
+namespace nostalgia::core::gl {
+void drawMainView(core::Context*) noexcept;
+void setRenderSize(core::Context*, int width, int height) noexcept;
+geo::Size getRenderSize(core::Context*) noexcept;
+void clearRenderSize(core::Context *ctx) noexcept;
+}
+
+namespace nostalgia::core::renderer {
+ox::Error init(Context *ctx) noexcept;
+}
+
 namespace nostalgia::geo {
 class Size;
 }
@@ -58,6 +70,7 @@ class Context: public foundation::Context {
 	friend int getScreenHeight(Context *ctx) noexcept;
 	friend int getScreenWidth(Context *ctx) noexcept;
 	friend ox::Error initGfx(Context *ctx) noexcept;
+	friend ox::Error renderer::init(Context *ctx) noexcept;
 	friend ox::Error loadBgTileSheet(Context *ctx,
 	                                 unsigned cbb,
 	                                 const ox::FileAddress &tilesheetPath,
@@ -84,14 +97,18 @@ class Context: public foundation::Context {
 	friend constexpr KeyEventHandler keyEventHandler(Context *ctx) noexcept;
 	friend void setTile(Context *ctx, unsigned bgIdx, int column, int row, uint8_t tile) noexcept;
 	friend void setSprite(Context *ctx,
-		                  unsigned idx,
-		                  int x,
-		                  int y,
-		                  unsigned tileIdx,
-		                  unsigned spriteShape,
-		                  unsigned spriteSize,
-		                  unsigned flipX) noexcept;
+	                      unsigned idx,
+	                      int x,
+	                      int y,
+	                      unsigned tileIdx,
+	                      unsigned spriteShape,
+	                      unsigned spriteSize,
+	                      unsigned flipX) noexcept;
 	friend void hideSprite(Context *ctx, unsigned idx) noexcept;
+	friend void gl::drawMainView(core::Context*) noexcept;
+	friend void gl::setRenderSize(core::Context*, int width, int height) noexcept;
+	friend geo::Size gl::getRenderSize(core::Context*) noexcept;
+	friend void gl::clearRenderSize(core::Context *ctx) noexcept;
 
 	public:
 		ox::Vector<Drawer*, 5> drawers;