STARTREK: Implement draw modes 2 and 3 for sprites

1 files changed, 34 insertions, 0 deletions

diff --git a/engines/startrek/bitmap.h b/engines/startrek/bitmap.h
new file mode 100644
index 0000000000..d30aee1e79
--- /dev/null
+++ b/engines/startrek/bitmap.h
@@ -0,0 +1,34 @@
+#ifndef STARTREK_BITMAP_H
+#define STARTREK_BITMAP_H
+
+#include "common/stream.h"
+
+namespace StarTrek {
+
+struct Bitmap {
+	uint16 xoffset;
+	uint16 yoffset;
+	uint16 width;
+	uint16 height;
+	byte *pixels;
+
+	Bitmap(Common::ReadStreamEndian *stream);
+	Bitmap(int w, int h);
+	~Bitmap();
+
+protected:
+	Bitmap() : xoffset(0),yoffset(0),width(0),height(0),pixels(nullptr) {}
+};
+
+
+// TextBitmap is the same as Bitmap, except it stores character indices in its "pixels"
+// array instead of actual pixels.
+// A consequence of this is that the pixels array is smaller than otherwise expected
+// (since width/height still reflect the actual size when drawn).
+struct TextBitmap : Bitmap {
+	TextBitmap(int w, int h);
+};
+
+}
+
+#endif