1/17/2023 0 Comments Obzerver tutorial bzflag![]() # The number sign is not needed for a map to function, but is used for comments. The same applies to the "size" in a world object.Ī good way to start learning is to begin with simple world objects and settings: The first setting is for the "X" axis with the second being for the "Y" axis and the third being for the "Z" axis. The positioning of map objects in the "position" of an object goes as such. This image shows a typical map, with the origin and axis directions clearly marked out. "north" on the in game radar is the positive Y direction in map coordinates. The way world units are oriented in a normal right hand rule coordinate system with positive Z being the "UP" direction. One should become familiar with the BZW syntax before attempting to create a map by hand from scratch or have on hand a reference card.Īlso knowing the coordinates of where object placement(s) will occur based on the options set. One can gain experience by also converting map objects into their mesh equivalents such as converting a box into a meshbox or a pyramid into a meshpyramid. One may find it easier to create a file in BZEdit and open the resulting file in the text-editor. The map should be a simple map when getting started. Maps can also be saved by issuing the /saveworld command. In the client, maps can be saved for editing by joining the desired server and choosing: Options>Save World. Command-line editors such as nano, emacs, pico, vim, or ed.īeginning mapmakers should spend some time studying and making small changes in existing maps to see how things work.Notepad ++ - a tabbed editor based on Scite.If you are interested in syntax highlighting, look at the forum topic. Although word-processing programs such as Microsoft Word can be used, there are many cheaper (free) and more efficient programs designed specifically for coding. Get to the point that you can explode a stationary tank by typing commands to your tank.Most text-editors designed for coding/programming are more than sufficient for editing bzw files. With your partner, continue experimenting with controlling the tanks. Then the second bot is told to go in reverse at 70% of the maximum possible speed. This will set the speed of bot 0 to maximum forward speed, and then tell it to rotate counter-clockwise at half of the maximum possible angular velocity. Just specify the command, bot, and value, like so: Similarly, you can set a desired angular velocity, where 1.0 is maximum counter-clockwise and -1.0 is maximum clockwise. You can set a desired speed, where 1.0 is the maximum forward speed, and -1.0 is maximum reverse speed. While the first bot's cannon is being loaded, tell the second bot, whose id is 1, to shoot: You should see a shot fired from one of the bots. Just for fun, send the following instruction to the first bot, whose id is 0: The bots now recognize you and are happy to follow your bidding. The bots should introduce themselves by saying: Telnet localhost (pick a color and use one of the ports printed out by bzrflag) Now, we will give a simple tutorial on how to control the tanks, to get some practice with the BZRC protocol. For the labs, you will need to understand it well. For this homework, you may want to just skim it and get the general idea. You will need to use this protocol, so become familiar with how it works. ![]() Protocol that BZRFlag uses is the BZRC Protocol. ![]() In order to control the tanks, you need to talk to that port. It also prints out what port each team is listening on. This brings up BZRFlag, with four teams in a simple world. There's a bug where if it tries to make the window too big, you can't scroll correctly, so if you run into that just make the window smaller. If you're on a laptop with low resolution, the option to change the size of the window when it comes up is –window-size=x. Feel free to modify those or create your own as you need (assuming you copied the directory). There are a few scripts in the directory that start everything with appropriate flags. To get a list of the command line options you can use, run:
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