") -- Create a randomseed, so that the math.random() function is actually random. math.randomseed(os.time()) -- End create randomseed. -- Here you can define some global variables, with which you can modify the space station. -- Define the maximal size of the space station, this is actually just for the grid, be sure that this value is big enough. sSSize=30 -- Define how many parts the space station has, this value has to be exact, so be sure to increment it if you're adding a new part. sSParts=6 -- Define how many body parts the space station has, this value has to be exact. Body part means a part, which has connections at least in two directions. sSBodyParts=3 -- Define how many side parts for the left side you have. leftSideParts=1 -- Define which index your left side parts have. leftSidePartsIndex={} -- Define the maximal dimension of a single part, be sure this value is big enough, better it's too big, it's only a matter of efficiency. pDim=6 -- Define the length in x-direction of the space station which will be occupied by bodyparts. xBPLength=4 -- Define the variation of the edges of your bodyparts in the x-direction. xBPVar=1 -- Define the length in y-direction of the space station which will be occupied by bodyparts. yBPLength=4 -- Define the variation of the edges of your bodyparts in the y-direction. yBPVar=1 -- Define the length in the z-direction of the space station which will be occupied by bodyparts. zBPLength=6 -- Define the variation of the edges of your bodyparts in the z-direction. zBPVar=1 -- Define the scale of the space station. sSScale=100 -- Define the griddimension, be sure this value matches the size of a single space station part plus the size of a connection part, which means your parts must be: integer*(gridDim-connectionSize), then integer tells you how many griddimensions your part is. gridDim=2.25 -- End define global parameters. -- This creates a 4-dimensional grid, which tells us if there is a part or not, and in which direction it has connections. -- The parameters x,y,z are the axis of the space station, which iterate to sSSize, the maximal size of the space station. -- The griddimension, this word I will use later, means that the distance of a point to the next point is 2,25 in the game, so the absolute x-axis is x*2,25*sSScale, and so on for the other dimensions y and z. -- grid[x][y][z][0] contains 0 if there is no part at the position (x,y,z), otherwise 1. -- grid[x][y][z][1] contains 0 if there is no connection from (x,y,z) in x-direction, "+" if there is one in the positive x-direction, "-" if there is one in the negative x-direction, "+-" if there are in both x-directions. -- grid[x][y][z][2] contains 0 if there is no connection from (x,y,z) in y-direction, "+" if there is one in the positive y-direction, "-" if there is one in the negative y-direction, "+-" if there are in both y-directions. -- grid[x][y][z][3] contains 0 if there is no connection from (x,y,z) in z-direction, "+" if there is one in the positive z-direction, "-" if there is one in the negative z-direction, "+-" if there are in both z-directions. grid = {} for x=-math.floor(sSSize/2),math.floor(sSSize/2) do grid[x] = {} for y=-math.floor(sSSize/2),math.floor(sSSize/2) do grid[x][y]= {} for z=-math.floor(sSSize/2),math.floor(sSSize/2) do grid[x][y][z]={} for i=0,3 do grid[x][y][z][i]=0 end end end end -- End create 4-dim grid. -- This creates an array which stores all the bodyparts, it's size is depending on the global values pDim and sSParts. -- The first parameter i, tells us how many parts fit into the array, so it iterates from 1 to sSParts, each part has his own value i. -- The second, third and fourth parameters are the relative coordinates of the part, you have to start at (0,0,0) and be sure you fill the array into the right direction. A short example: your part is 2 griddimensions long and you place it in the game, that the relative coordinate point is at (0,0,0) and the part lies in the positive z-axis, then you have to use the coordinate point (0,0,1). -- The fifth parameter is an array with size 4, at index=0, you have to set 1 if your part covers the gridpoint at (x,y,z), otherwise 0. At index=1,2,3 you define the possible connection directions (1 for x, 2 for y and 3 for z), be sure to use the notation from above (0, "+-", "+", "-"). bodyParts={} for i=1,sSParts do bodyParts[i]={} for x=-math.floor(pDim/2),math.floor(pDim/2) do bodyParts[i][x]={} for y=-math.floor(pDim/2),math.floor(pDim/2) do bodyParts[i][x][y]={} for z=-math.floor(pDim/2),math.floor(pDim/2) do bodyParts[i][x][y][z]={} for k=0,3 do bodyParts[i][x][y][z][k]=0 end end end end bodyParts[i][0][0][0][4]="" bodyParts[i][0][0][0][5]="" end -- Here you can add a part to the space station, there are some examples here and how to describe your part is written above in the commentary. -- The part must be inserted so, that the center of reference is at position (0,0,0). -- At position bodyParts[i][0][0][0][4] you have to put the mesh name of your part. -- At bodyParts[i][0][0][0][5] you can rotate your part, with pitch=angle, yaw=angle or roll=angle (x,y or z). Positive angle means in screw direction. -- At bodyParts[i][0][0][0][6] you have to rotate your part so that it fits on the left side of your station, left means in the direction of the negative x-direction. This is to be done if your part is a side part. Also if the part is a sidepart at bodyParts[i][0][0][0][5] you have to rotate the part so that it fits on the right side. -- Insert the CuboidBody, which is only one griddimension and can have connections in every direction. bodyParts[1][0][0][0][4]="CuboidBody.mesh" bodyParts[1][0][0][0][5]="" bodyParts[1][0][0][0][0]=1 bodyParts[1][0][0][0][1]="+-" bodyParts[1][0][0][0][2]="+-" bodyParts[1][0][0][0][3]="+-" -- End insert CuboidBody. -- Insert the DoubleCuboidBody, which is two griddimensions long, and one wide and high and can have connections in every direction except in the middle. bodyParts[2][0][0][0][4]="DoubleCuboidBody.mesh" bodyParts[2][0][0][0][5]="pitch=-90" bodyParts[2][0][0][0][0]=1 bodyParts[2][0][0][0][1]="+-" bodyParts[2][0][0][0][2]="+-" bodyParts[2][0][0][0][3]="-" bodyParts[2][0][0][1][0]=1 bodyParts[2][0][0][1][1]="+-" bodyParts[2][0][0][1][2]="+-" bodyParts[2][0][0][1][3]="+" -- End insert DoubleCuboidBody. -- Insert the CuboidConnectionLong, which is a Bodypart indeed, it is three griddimensions long and one wide and high and can have only connections at griddimension 1 (except the side in direction of griddimension 2) and griddimension 3 (except the side in direction of griddimension 2). bodyParts[3][0][0][0][4]="CuboidConnectionBody.mesh" bodyParts[3][0][0][0][5]="pitch=-90" bodyParts[3][0][0][0][0]=1 bodyParts[3][0][0][0][1]="+-" bodyParts[3][0][0][0][2]="+-" bodyParts[3][0][0][0][3]="-" bodyParts[3][0][0][1][0]=1 bodyParts[3][0][0][2][0]=1 bodyParts[3][0][0][2][1]="+-" bodyParts[3][0][0][2][2]="+-" bodyParts[3][0][0][2][3]="+" -- End insert CuboidConnectionLong. -- Insert the Thruster, which is one griddimension long, wide and high, it can only have a connection into the negative z-direction. -- If you're space station has no thrusters, be sure to set thrusterIndex=false, but maybe you can use this also for other parts, see section Attach thrusters to learn how thrusers are attached at your space station. thrusterIndex=4 bodyParts[thrusterIndex][0][0][0][4]="Thruster.mesh" bodyParts[thrusterIndex][0][0][0][5]="pitch=-90" bodyParts[thrusterIndex][0][0][0][0]=1 bodyParts[thrusterIndex][0][0][0][3]="-" --End insert the Thruster. -- Insert the Cockpit. If your space station has no cockpit, be sure to set cockpitIndex=false. -- The Cockpit is 3 x-griddimensions long, 3 y-griddimensions and 2 z-griddimensions, it can only have a connection in the positive z-direction. cockpitIndex=5 bodyParts[cockpitIndex][0][0][0][4]="SemiCircleCockpit.mesh" bodyParts[cockpitIndex][0][0][0][5]="pitch=-90 yaw=180" bodyParts[cockpitIndex][0][0][0][0]=1 bodyParts[cockpitIndex][0][0][0][3]="+" bodyParts[cockpitIndex][-1][0][0][0]=1 bodyParts[cockpitIndex][1][0][0][0]=1 bodyParts[cockpitIndex][0][-1][0][0]=1 bodyParts[cockpitIndex][0][1][0][0]=1 bodyParts[cockpitIndex][-1][-1][0][0]=1 bodyParts[cockpitIndex][1][-1][0][0]=1 bodyParts[cockpitIndex][-1][1][0][0]=1 bodyParts[cockpitIndex][1][1][0][0]=1 bodyParts[cockpitIndex][0][0][-1][0]=1 bodyParts[cockpitIndex][-1][0][-1][0]=1 bodyParts[cockpitIndex][1][0][-1][0]=1 bodyParts[cockpitIndex][0][-1][-1][0]=1 bodyParts[cockpitIndex][0][1][-1][0]=1 bodyParts[cockpitIndex][-1][-1][-1][0]=1 bodyParts[cockpitIndex][1][-1][-1][0]=1 bodyParts[cockpitIndex][-1][1][-1][0]=1 bodyParts[cockpitIndex][1][1][-1][0]=1 -- End insert Cockpit. -- Insert the side parts. If your space station has no sideparts, be sure to set sidePartsIndex[0]=false. leftSidePartsIndex[1]=6 bodyParts[leftSidePartsIndex[1]][0][0][0][4]="SolarPanel.mesh" panelRot=math.random(0,180) bodyParts[leftSidePartsIndex[1]][0][0][0][5]="roll=90 pitch="..panelRot bodyParts[leftSidePartsIndex[1]][0][0][0][0]=1 bodyParts[leftSidePartsIndex[1]][0][0][1][0]=1 bodyParts[leftSidePartsIndex[1]][0][0][-1][0]=1 -- End insert side parts. -- Insert the connectionpart, which is used to connect all the bodyparts. -- If you're spacestation has no connectionpart, be sure to set connPartName=false. connPartName="CuboidConnection.mesh" -- End insert the connectionparts. -- End create array bodyParts. -- This is xml code, which means now we attach some parts to the MovableEntity. print("") -- Attach all bodyparts. -- Define at which position in the x-direction you're space station will start. x=math.random(-math.floor(xBPLength/2),-math.floor(xBPLength/2)+xBPVar) -- Define at which position in the x-direction you're space station will end. xMax=math.random(math.floor(xBPLength/2),math.floor(xBPLength/2)+xBPVar) while x") -- This actualizes the grid array with the values of the array bodyParts at the position tempBodyPartIndex, which is our randomly chosen part. for i=math.floor(-pDim/2),math.floor(pDim/2) do for j=math.floor(-pDim/2),math.floor(pDim/2) do for k=math.floor(-pDim/2),math.floor(pDim/2) do if bodyParts[tempBodyPartIndex][i][j][k][0] == 1 then for l=0,3 do grid[x+i][y+j][z+k][l] = bodyParts[tempBodyPartIndex][i][j][k][l] end end end end end end counter=counter+1 end z=z+1 end y=y+1 end x=x+1 end -- End attach all bodyparts. -- Attach thrusters, if there are some. if thrusterIndex ~= false then -- To attach thrusters we start at (-sSSize/2,-sSSize/2,-sSSize/2+1) and iterate through x and y as start points and then through z, where we go as long as there are parts, at the first position where isn't a part we set our thruster. for x=math.floor(-sSSize/2),math.floor(sSSize/2) do for y=math.floor(-sSSize/2),math.floor(sSSize/2) do for z=math.floor(-sSSize/2)+1,math.floor(sSSize/2) do if grid[x][y][z-1][0] == 1 and grid[x][y][z][0] == 0 then print("") print("") print("") print("") print("") -- This actualizes the array grid. for i=math.floor(-pDim/2),math.floor(pDim/2) do for j=math.floor(-pDim/2),math.floor(pDim/2) do for k=math.floor(-pDim/2),math.floor(pDim/2) do if bodyParts[tempBodyPartIndex][i][j][k][0] == 1 then for l=0,3 do grid[x+i][y+j][z+k][l] = bodyParts[thrusterIndex][i][j][k][l] end end end end end -- This breaks out of the for z=-sSSize/2+1,sSSize/2 loop, because we have set one thruster and for the z-axis that is all we want. break end end end end end -- End attach Thrusters. -- Attach cockpit, if there is one. function setCockpit() if grid[x][y][z][0] == 0 and grid[x][y][z+1][0] == 1 then check=1 for i=math.floor(-pDim/2),math.floor(pDim/2) do for j=math.floor(-pDim/2),math.floor(pDim/2) do for k=math.floor(-pDim/2),math.floor(pDim/2) do if bodyParts[cockpitIndex][i][j][k][0] == 1 and grid[x+i][y+j][z+k][0] == 1 then check=0 end end end end if check == 1 then print("") cockpitSet=1 for i=math.floor(-pDim/2),math.floor(pDim/2) do for j=math.floor(-pDim/2),math.floor(pDim/2) do for k=math.floor(-pDim/2),math.floor(pDim/2) do if bodyParts[cockpitIndex][i][j][k][0] == 1 then for l=0,3 do grid[x+i][y+j][z+k][l] = bodyParts[cockpitIndex][i][j][k][l] end end end end end end end end if cockpitIndex ~= false then cockpitSet=0 z=math.floor(-sSSize/2) while z<=math.floor(sSSize/2)-1 and cockpitSet==0 do round=0 while round<=math.floor(sSSize/2)-1 and cockpitSet==0 do y=round x=-round while x<=round and cockpitSet==0 do setCockpit() x=x+1 end while y>=-round and cockpitSet==0 do setCockpit() y=y-1 end while x>-round and cockpitSet==0 do setCockpit() x=x-1 end while y<=round and cockpitSet==0 do setCockpit() y=y+1 end round=round+1 end z=z+1 end end -- End attach cockpit. -- Attach parts on the left side of the space station. function setLeftSidePart() if grid[x][y][z][0] == 0 and grid[x+1][y][z][0] == 1 and (grid[x+1][y][z][1] == "+-" or grid[x+1][y][z][1] == "-") then check=1 for i=math.floor(-pDim/2),math.floor(pDim/2) do for j=math.floor(-pDim/2),math.floor(pDim/2) do for k=math.floor(-pDim/2),math.floor(pDim/2) do if bodyParts[tempSidePartsIndex][i][j][k][0] == 1 and grid[x+i][y+j][z+k][0] == 1 then check=0 end end end end if check == 1 then print("") partSet=1 for i=math.floor(-pDim/2),math.floor(pDim/2) do for j=math.floor(-pDim/2),math.floor(pDim/2) do for k=math.floor(-pDim/2),math.floor(pDim/2) do if bodyParts[tempSidePartsIndex][i][j][k][0] == 1 then for l=0,3 do grid[x+i][y+j][z+k][l] = bodyParts[tempSidePartsIndex][i][j][k][l] end end end end end end end end if leftSidePartsIndex[0] ~= false then for sPC=1,leftSideParts do tempSidePartsIndex = leftSidePartsIndex[math.random(1,leftSideParts)] partSet=0 x=math.floor(-sSSize/2) while x<=math.floor(sSSize/2)-1 and partSet==0 do round=0 while round<=math.floor(sSSize/2)-1 and partSet==0 do y=round z=-round while z<=round and partSet==0 do setLeftSidePart() z=z+1 end while y>=-round and partSet==0 do setLeftSidePart() y=y-1 end while z>=-round and partSet==0 do setLeftSidePart() z=z-1 end while y<=round and partSet==0 do setLeftSidePart() y=y+1 end round=round+1 end x=x+1 end end end -- End attach side parts. -- Attach all connectionparts. -- This iterates through the whole grid array. if connPartName ~= false then for x=math.floor(-sSSize/2),math.floor(sSSize/2)-1 do for y=math.floor(-sSSize/2),math.floor(sSSize/2)-1 do for z=math.floor(-sSSize/2),math.floor(sSSize/2)-1 do -- This checks whether there has to be a connection part between (x,y,z) and (x+1,y,z) or not. First it checks if there is a part at (x,y,z) and then it checks if that part can have a connection into the positive x-direction, if it can, it checks if there is a part at (x+1,y,z) and if that part can have a connection into the negative x-direction, if both can, it prints the xml code to set a connection part. if grid[x][y][z][0]==1 and ( grid[x][y][z][1]=="+" or grid[x][y][z][1]=="+-" ) and grid[x+1][y][z][0]==1 and ( grid[x+1][y][z][1]=="-" or grid[x+1][y][z][1]=="+-" ) then -- This is xml code which prints the connection part, the +gridDim*sSScale/2 is because the connection is set exactly in the middle of two gridpoints. print("") end -- The same as in the x-direction, but for the y-direction. if grid[x][y][z][0]==1 and ( grid[x][y][z][2]=="+" or grid[x][y][z][2]=="+-" ) and grid[x][y+1][z][0]==1 and ( grid[x][y+1][z][2]=="-" or grid[x][y+1][z][2]=="+-" ) then print("") end -- The same as in the x-direction, but for the z-direction. if grid[x][y][z][0]==1 and ( grid[x][y][z][3]=="+" or grid[x][y][z][3]=="+-" ) and grid[x][y][z+1][0]==1 and ( grid[x][y][z+1][3]=="-" or grid[x][y][z+1][3]=="+-" ) then print("") end end end end end -- End attach all connectionparts. -- This is xml code, which ends the attachment and the MovableEntity. print("") print("") ?>