Passagiere und Besatzungsmitglieder in Fahrzeugen

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  • Eine kurze Anleitung zum Heraufbeschwören von Zombies in Fahrzeugen :)


    English


    Many open vehicles look much better when they are not driving around empty. A few zombie passengers and crew members work wonders on their realism.


    Summoning them is not hard at all and easily done using three simple curses that need to be added to the vehicles .mdl file.


    First of all, you need to explain the game two functions that are required for the zombies placement.

    Code
    1. local vec3 = require "vec3"
    2. local transf = require "transf"

    These two lines need to be inserted right at the very beginning of the .mdl in front of everything else. If you try to call for the zombies without this preparation, the game will crash.


    Secondly, look for the section "transportVehicle=..." that is typically located at or near the end of the file. In there, you will find a block "capacities={" that is closed with another curly bracket "}". Right behind this closing bracket, add another block:

    Code
    1. seats = {
    2. }

    The lines between this blocks curly brackets are the perfect place for the line that finally causes the zombies to rise and infest Your vehicle. You can add as many of those lines as You like; each one will call for one zombie each. Here it is:

    Code
    1. { group = 17, transf = transf.rotZYXTransl(transf.degToRad(-10, -12, 0.0), vec3.new(9.8,1,-8.9)), crew = false, standing = false},

    Just copy and paste it in there as often as required.


    Let us now look at the variables and values that this line takes in order to work:


    { group = p, transf = transf.rotZYXTransl(transf.degToRad(a, b, c), vec3.new(x, y, z), crew = v, standing = w},


    p: the sequence number of the part (.msh or .grp) the zombie is attached to. The "children=" block in the .mdl contains all of them; the uppermost one is number 1 and they are simply counted by their order in that file. In most cases, picking the part that contains the seat to be filled will be appropriate; it is also possible to make them roll and tumble along by attaching them to a wheel or spin them dry together with a propeller.


    a, b, c: the direction the zombie is facing expressed in degrees about the z, y, x axes. 0, 0, 0 will have them standing upright, facing in the positive direction of the x axis.


    x, y, z: the coordinates of the zombies feet. Please note though that these are not absolute coordinates: the reference point is not the models origin but the origin of the part p they are attached to. So in order to obtain the coordinates to use here, take the absolute coordinates of the zombies intended position and subtract from them the coordinates of part p. Placing them properly often takes some attempts; the model viewer is a highly useful tool for this and safe to use in auto-reload mode, as no retexturing is involved.


    v: a boolean variable. "true" will yield that ill-tempered dude with no interest whatsoever at all in his work that will always loiter around in the vehicle as soon as it is in operation and not used as asset. "false" will result in a passenger seat being defined; the passenger model will be selected by the game based on who is waiting to be transported. Of course, the game will fill the thusly defined passenger seats based on demand; if there is no passenger to be transported, it will be empty.


    So the above example requests a sitting passenger attached to part number 17, turned outward by 12°, leaning back by 10° and located 9.8m forward, 1m left and 8.9m downward of part 17s reference point. :)


    The number of seats you define needs not be related to the actual number of passenger seats called for in the .mdl. If you define a number of seats below the vehicles capacity, the game will just fill the defined seats proportionally to the passenger load and assume all the other passengers to be seated somewhere in the bilge, the coal bunkers or wherever else out of sight. If, on the other hand, you define more seats than required by the capacity, the passengers will take a seat wherever they please and there will be empty seats left with the vehicle filled to capacity., introducing some randomness.


    A word of warning: zombies are not well behaved and do not like to sit still. They tend to flail their extremities about and even a solid brick wall can not keep them contained. Do check their seating. If you find zombie parts rammed through the walls, turn them a little inboard about the x axis or just push them over by say 10 or 20cm and let them pester their neighbor instead of kicking your stuff.


    Have fun and good luck!


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