Smoke Signals

Smoke signals would not be a unique block, but a new interaction with campfires. Just as raw food can be placed on a campfire to cook, a dye would be placed to change the color of the smoke. The campfire would use up 1 dye at a time, causing them to dissappear and having the smoke particles change color accordingly.

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If 4 of the same color is placed, it would just make the effect last 4 times longer.

If 4 different colors are placed it could either:

1. Use each dye one at a time, changing color
2. OR be a mixture of all the colors (like leather armor) that lasts 4 times longer