-
-
Save aidansmyth/9945766 to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
map = {} | |
map.width = 100 | |
map.height = 40 | |
areas = {} | |
function initMap() | |
for i = 1, map.width do | |
map[i] = {} | |
for j = 1, map.height do | |
map[i][j] = "#" | |
end | |
end | |
end | |
function isLegal( x, y ) | |
return x >= 1 and y >= 1 and x <= map.width and y <= map.height | |
end | |
function showMap() | |
for j = 1, map.height do | |
for i = 1, map.width do | |
io.write( map[i][j] ) | |
end | |
io.write( "\n" ) | |
end | |
end | |
function makeRoom( x, y, w, h ) | |
for i = x+1, x+w-2 do | |
for j = y+1, y+h-2 do | |
if isLegal( i, j ) then | |
map[i][j] = "." | |
end | |
end | |
end | |
end | |
function bsp( n ) | |
local mainArea = { | |
x = 1, | |
y = 1, | |
w = map.width, | |
h = map.height | |
} | |
table.insert( areas, mainArea ) | |
local tries = 0 | |
for i = 1, n do | |
-- find random area to divide | |
local r = 0 | |
while true do | |
r = math.random( #areas ) | |
tries = tries + 1 | |
if areas[r].w > map.width / 6 and areas[r].h > map.width / 6 then | |
break | |
end | |
if tries > 9999 then | |
return | |
end | |
end | |
tries = 0 | |
if math.random( 2 ) == 1 then | |
-- divide vertically | |
local rx = math.random( math.floor( areas[r].w / 4 ), math.floor( areas[r].w * 3 / 4 ) ) | |
local ta = { | |
x = areas[r].x, | |
y = areas[r].y, | |
w = rx + 1, | |
h = areas[r].h | |
} | |
local tb = { | |
x = areas[r].x + rx, | |
y = areas[r].y, | |
w = areas[r].w - rx, | |
h = areas[r].h | |
} | |
table.remove( areas, r ) | |
table.insert( areas, ta ) | |
table.insert( areas, tb ) | |
else | |
-- divide horizontally | |
local ry = math.random( math.floor( areas[r].h / 4 ), math.floor( areas[r].h * 3 / 4 ) ) | |
local ta = { | |
x = areas[r].x, | |
y = areas[r].y, | |
w = areas[r].w, | |
h = ry + 1 | |
} | |
local tb = { | |
x = areas[r].x, | |
y = areas[r].y + ry, | |
w = areas[r].w, | |
h = areas[r].h - ry | |
} | |
table.remove( areas, r ) | |
table.insert( areas, ta ) | |
table.insert( areas, tb ) | |
end | |
end | |
end | |
function fillAreas() | |
for i = 1, #areas do | |
makeRoom( areas[i].x, areas[i].y, areas[i].w, areas[i].h ) | |
end | |
end | |
function main() | |
initMap() | |
math.randomseed( os.time() ) | |
bsp( 1000 ) | |
fillAreas() | |
showMap() | |
for i = 1, #areas do | |
print( areas[i].x, areas[i].y, areas[i].w, areas[i].h ) | |
end | |
end | |
main() | |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment