chisel/maps/spiral.txt
define 1 room 1 define 2 room 2 define 3 room 3 define 4 room 4 define O monster monster_demon_imp define H monster monster_demon_hellknight define S worldspawn
########################## #1 #2 # # . # # . # # . # # # # #....##############...#### #3 #4 # # # O O O # # S # # # # O O O # # # # ##########################
$ cd $ cd Sandpit/chisel/python $ ./developer-txt2map ../maps/spiral.txt txt2pen: pass Total rooms = 4 Total cuboids = 769 Total cuboids expanded (optimised) = 0 Total entities used = 89 entities unused = 4007 Total brushes used = 769 pen2map: pass
PROCEDURE makeTree (polyList: polygon) : tree; VAR root: polygon ; backList, frontList: polygonP ; p, backPart, frontPart: polygon ; BEGIN IF polyList = NIL THEN RETURN NIL ELSE
root := selectAndRemovePolygon (polyList) ; backList := NIL ; frontList := NIL ; FOR p in polyList DO IF p is in front of root THEN frontList := addToList (frontList, p) ELSIF p is behind root THEN backList := addToList (backList, p) ELSE (* polygon, p, must be split as it spans across, root. *) splitPolygon (p, root, frontPart, backPart) ; frontList := addToList (frontList, frontPart) ; backList := addToList (backList, backPart) ; END END ; RETURN combineTree (makeTree (frontList), root, makeTree (backList)) END END makeTree;
polyList = [a, b, c, d, e, f] tree = []
polyList = [a, b1, b2, c, d, e, f] tree = [makeTree ([b1, a, f]), e, makeTree ([b2, c, d])]
polyList = [b1, a, f] tree = [combineTree ([], a, makeTree ([b1, f])]
tree = [b1, f, []]
tree = [combineTree ([], a, makeTree ([b1, f])] tree = [a, b1, f]
tree = [makeTree ([a, b1, f]), e, makeTree ([b2, c, d])]
tree = [[a, b1, f], e, makeTree ([b2, c, d])]
PROCEDURE displayTree (tree) BEGIN IF tree # NIL THEN IF Viewer is in front of tree->line THEN (* display back child, root, front child. *) displayTree (tree->left) ; (* back. *) displayLine (tree->line) ; displayTree (tree->right) (* front. *) ELSE (* display front child, root and back child. *) displayTree (tree->right) ; (* front. *) displayLine (tree->line) ; displayTree (tree->left) (* back. *) END END END displayTree ;
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