Method Hill_Prepare_Overlays

Source/Amiga/Graphics_Amiga.cpp:808–857

}

void cGraphics_Amiga::Hill_Prepare_Overlays() {
	const sHillOverlay_Amiga* a3 = mHillOverlay_Amiga;

	for (; a3->mSpriteType != -1; ++a3) {

		auto SpriteSheet = mFodder->Sprite_Get_Sheet(a3->mSpriteType, a3->mFrame);

		int d0 = SpriteSheet->mColCount - 1;
		int d1 = SpriteSheet->mRowCount - 1;

		uint8* DestBase = mImageHillSprites.mData->data();

		int16 d2 = a3->mX;
		d2 >>= 3;
		d2 &= 0xFFE;

		DestBase += d2;
		d2 = a3->mY;

		int16 d1_s = d1;
		d2 <<= 3;
		d1 = d2;
		d2 <<= 2;
		d2 += d1;
		d1 = d1_s;

		DestBase += d2;
		uint8* Source = SpriteSheet->GetGraphicsPtr();
		uint8* Dest = DestBase;

		do {

			for (d2 = d1; d2 >= 0; --d2) {

				// Draw the overlay
				writeBEWord(Dest, readBEWord(Source));
				writeBEWord(Dest + 0x2828, readBEWord(Source + 0x2800));
				writeBEWord(Dest + 0x5050, readBEWord(Source + 0x5000));
				writeBEWord(Dest + 0x7878, readBEWord(Source + 0x7800));

				Source += 0x28;
				Dest += 0x28;
			}

			Source = SpriteSheet->GetGraphicsPtr() + 2;
			Dest = DestBase + 2;

		} while (--d0 >= 0);
	}
}

void cGraphics_Amiga::MapOverview_Render_Tiles(uint16 pTile, uint16 pDestX, uint16 pDestY) {
	uint8* Target = mFodder->mSurfaceMapOverview->GetSurfaceBuffer();