Function MinimapScreenCallback

src/screenshot.cpp:473–492

static void MinimapScreenCallback(void *buf, uint y, uint pitch, uint n)
{
	uint32_t *ubuf = (uint32_t *)buf;
	uint num = (pitch * n);
	for (uint i = 0; i < num; i++) {
		uint row = y + (int)(i / pitch);
		uint col = (Map::SizeX() - 1) - (i % pitch);

		TileIndex tile = TileXY(col, row);
		uint8_t val = GetSmallMapOwnerPixels(tile, GetTileType(tile), IncludeHeightmap::Never) & 0xFF;

		uint32_t colour_buf = 0;
		colour_buf  = (_cur_palette.palette[val].b << 0);
		colour_buf |= (_cur_palette.palette[val].g << 8);
		colour_buf |= (_cur_palette.palette[val].r << 16);

		*ubuf = colour_buf;
		ubuf++;   // Skip alpha
	}
}

/**
 * Make a minimap screenshot.