Ok I would like to propose that new "types" of boats. The first one i thought of was a Swamp Boat cappable of going from water to the swamp. the second boat i thought of was a large boat cappable of carrying 10 crates or logs and having 3 extra seats besides your own, and the third boat i thought of would be a speed boat, cappable of going faster than the row boat, unable to carry anything.Then finaly the fourth boat i thought of a Fishing Boat.
Swamp Boat:basicly the same as a RowBoat but cost an extra 20 boards, and can sail on swamp.
Requirements:60 boards and 8 blocks of wood.
Features:able to transistion from water to swamp.
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Large Boat:a boat designed to be like the wagon however its on the water. and can be renamed to the name of your choise.
Requirements:200 blocks of wood ,100 boards, 10 bone glue, 10 ropes, and 5 of any metal bar.
Features:Requires a Key to operate( since it will be on the water without protection, protects it from theives), has 10 slots to carry Containers or logs, and is able to seat 3 other poeple than the one driving.
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Speed Boat:a boat able to go faster than the rowboat.
Requirements:20 blocks of wood, 50 planks.
Features:unable to carry anthing except for one person and goes faster than the row boat.
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Fishing Boat:a boat that is able to be interacted with while fishing.
Requirements:100 boards, 50 blocks of wood.
Features: Has a container when right clicked out on the water with 50 slots, this container would be operatable on land with an "open" option along with the avast option, requires a key to operate( again one of those boats you wouldnt want to loose to theives),and is only able to carry fish.
All of these boats are up for discussion and tweeking.
Okay now that im done with the boat types I would like to share my Bridge contruction idea. It would be arched so that all boats can pass under and is able to span any river section.
Bridge:able to carry people across the river without the use of a boat or swimming.
Requirments: (nitial section of the bridge) 50 boards, 5 ropes, 5 metal bars of any kind, (proceding sections) 3 planks.
Features: able to carry people across the river without geting your feet wet, would prove very useful to river villages and to the expansion of river villages.