sprite_drawer.h

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#ifndef YAZE_APP_EDITOR_SPRITE_SPRITE_DRAWER_H
#define YAZE_APP_EDITOR_SPRITE_SPRITE_DRAWER_H
 
#include <cstdint>
#include <vector>
 
#include "app/editor/sprite/zsprite.h"
#include "app/gfx/core/bitmap.h"
#include "app/gfx/types/snes_palette.h"
 
namespace yaze {
namespace editor {
 
class SpriteDrawer {
 public:
  explicit SpriteDrawer(const uint8_t* sprite_gfx_buffer = nullptr);
 
  void SetGraphicsBuffer(const uint8_t* buffer) { sprite_gfx_ = buffer; }
 
  void SetPalettes(const gfx::PaletteGroup* palettes) {
    sprite_palettes_ = palettes;
  }
 
  void DrawOamTile(gfx::Bitmap& bitmap, const zsprite::OamTile& tile,
                   int origin_x, int origin_y);
 
  void DrawFrame(gfx::Bitmap& bitmap, const zsprite::Frame& frame,
                 int origin_x, int origin_y);
 
  void ClearBitmap(gfx::Bitmap& bitmap);
 
  bool IsReady() const { return sprite_gfx_ != nullptr; }
 
 private:
  void DrawTile8x8(gfx::Bitmap& bitmap, uint16_t tile_id, int x, int y,
                   bool flip_x, bool flip_y, uint8_t palette);
 
  void DrawTile16x16(gfx::Bitmap& bitmap, uint16_t tile_id, int x, int y,
                     bool flip_x, bool flip_y, uint8_t palette);
 
  uint8_t GetTilePixel(uint16_t tile_id, int px, int py) const;
 
  const uint8_t* sprite_gfx_ = nullptr;
  const gfx::PaletteGroup* sprite_palettes_ = nullptr;
 
  // Graphics buffer layout constants
  static constexpr int kTilesPerRow = 16;
  static constexpr int kTileSize = 8;
  static constexpr int kRowStride = 128;   // 16 tiles * 8 pixels
  static constexpr int kTileRowSize = 1024; // 8 scanlines * 128 bytes
  static constexpr int kMaxTileId = 1023;  // 64 rows * 16 columns - 1
};
 
}  // namespace editor
}  // namespace yaze
 
#endif  // YAZE_APP_EDITOR_SPRITE_SPRITE_DRAWER_H