The general rule of underground mob traps are as follows
A series of 8x8 platforms, with 2 deep (and increasing as water flows towards the center). The edges of the platforms should be lined with signs or trapdoors (the mobs see this as something they can stand on and they fall into the traps more often. These mobs are then dropped (usually at the center) either down an almost deadly drop or a tunnel pushing them to said drop. Other sources are damage are also applicable.
During construction the room is usually lit with torches which are then removed.
A couple things that most people (should) do as soon as they get a computer will help you:
1. Get a computer savvy friend to help you clear out bloatware from the system (useless software that the sellers, other than microsoft themselves, include in the system to make more money)
2. install an antivirus (i use ZoneAlarm) to prevent malware from infecting and slowing down your system.
Once this is done, you will want to allocate more RAM to Minecraft (I allocate 2 gigs, so that when RAM usage spikes, it has room to use the RAM)
This should help to clear up most issues, and be sure to get help from a computer savvy friend so that you don't screw things up (no offense)
I play on a Dell XPS 13 with an Ivy Bridge (3rd gen) i7 and HD4400 graphics, and I can run at as much as 60 fps (vanilla)
A lot of things can be used to make modern appearing homes. I've used things like wool, marble (from a mod), bricks, sandstone, and more, often with a wood flooring for most of the home. The thing about minecraft is use you play around with possibilities in a section of your build before fully committing to it, so feel free to be creative.
Given your supply of resources, I suggest the following:
1 set of diamond tools, enchanted
1 set of diamond armor, enchanted
1 bow, enchanted
3 stacks of arrows
2 stacks of coal (for torches and fuel)
2 stacks of logs (for shelter and sticks)
2-5 stacks of foods
I farm all my building materials except stone, which I have massive excess of due to building of underground bunkers and storage facilities in case of zombies... but nah,,, zombies could never happen in a game like minecraft...
The easiest way to find diamonds is probably with strip mining, or with the efficiency-beacon combination mentioned above. For optimal strip mining conditions, your F3 debug screen coordinates should read Y=11 with the eyes in Y=12. This will put you level with the top of almost all lava pools, meaning you can simply use a water bucket in order to turn them into obsidian and continue on your way. It is also nicely situated at a depth with large amounts of diamonds. As for the tunnels to dig, I recommend starting with a 2x2 or 3x3 main tunnel roughly 100 blocks long, then digging 150 block long branches with 3 blocks between each branch. The 3x3 main tunnel will make the main part of your mine feel much more spacious, and it can be decorated with supports without restricting easy movement through the mines.
Pick a style of building to do, and begin to build in this style. Among my favorite styles is medieval styling, which you can pretty much take anywhere, whether it be to castles, to manors, to farms, or to simple houses.
Due to the slowness of swimming up the water, a spiral staircase along the outside of the room would definitely be a plus. The walls seem a bit lacking in decoration, and one of the main perks about being underwater is it gives you quite a nice view depending on the lighting. If you've already dug into the ground, and the base is below the ocean floor, you can either terraform the surrounding seabed to match the depth of your base, or you can simply use paintings and decorative blocks to give your base a more homely feel. Another good idea would be to expand the base in each direction, giving you a bit more of an open air feel to the main room without the clutter that comes from having piled all your stuff into it. After this, its usually pretty fun to link all sorts of automated farms to a single collection point (automated via hoppers) that will allow you to easily collect each material from a different chest, or perhaps to simply have the farms link directly to a main storage room.
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The general rule of underground mob traps are as follows
A series of 8x8 platforms, with 2 deep (and increasing as water flows towards the center). The edges of the platforms should be lined with signs or trapdoors (the mobs see this as something they can stand on and they fall into the traps more often. These mobs are then dropped (usually at the center) either down an almost deadly drop or a tunnel pushing them to said drop. Other sources are damage are also applicable.
During construction the room is usually lit with torches which are then removed.
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1. Get a computer savvy friend to help you clear out bloatware from the system (useless software that the sellers, other than microsoft themselves, include in the system to make more money)
2. install an antivirus (i use ZoneAlarm) to prevent malware from infecting and slowing down your system.
Once this is done, you will want to allocate more RAM to Minecraft (I allocate 2 gigs, so that when RAM usage spikes, it has room to use the RAM)
This should help to clear up most issues, and be sure to get help from a computer savvy friend so that you don't screw things up (no offense)
I play on a Dell XPS 13 with an Ivy Bridge (3rd gen) i7 and HD4400 graphics, and I can run at as much as 60 fps (vanilla)
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1 set of diamond tools, enchanted
1 set of diamond armor, enchanted
1 bow, enchanted
3 stacks of arrows
2 stacks of coal (for torches and fuel)
2 stacks of logs (for shelter and sticks)
2-5 stacks of foods
cookies and cake are also required.
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