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terrains.py
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terrains.py
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from logger import Logger
import platform
import os.path
import datetime
from copy import deepcopy
import heightmap
import numpy as np
import sys
sys.setrecursionlimit(65536) #!!IMPORTANT to allow floodFill and RECURSIVE
logger = Logger('Terrains')
def execute(level, box, heightMap, waterHM, minimumArea, exclusion = 0):
alterDict, alterHeightDict = floodFill(level, box, heightMap, waterHM, minimumArea, exclusion)
editTerrainFF(level, box, alterDict, alterHeightDict)
def floodFill(level, box, heightMap, waterHM, minimumArea, exclusion = 0): # Flood Fill RECURSIVE
try:
tempHM = deepcopy(heightMap)
maskedHM = [['%04d' % 0 for k in range(len(heightMap[0]))] for j in range(len(heightMap))] # initialse post-process HM
#diffHM = [[0 for k in range(len(heightMap[0]))] for j in range(len(heightMap))]
if exclusion >= len(heightMap) / 3 or exclusion >= len(heightMap[0]) / 3:
logger.warning("Invalid Exclusion block width")
logger.warning("Continue with 0 Exclusion block width")
exclusion = 0
currentLevel = 999
currentRegion = 1
excludedBlocks = { # excluded blocks - excluded from labelling
-1 : "wate",
-2 : "lava"
}
regionDict = {
"wate" : -1,
"lava" : -2,
9999 : 63
}
alterDict = dict()
alterHeightDict = dict()
# Flood fill by Recursive to discover buildable area
def FF(x, y, area):
tempHM[x][y] = 999
area.append([x,y])
if len(area) <= 10000:
if ((y - 1) >= (0 + exclusion)): # go to west
if tempHM[x][y - 1] == currentLevel:
area = FF(x, y - 1, area)
if ((y + 1) < (len(tempHM[x]) - exclusion)): # go to east
if tempHM[x][y + 1] == currentLevel:
area = FF(x, y + 1, area)
if ((x + 1) < (len(tempHM) - exclusion)): # go to south
if tempHM[x + 1][y] == currentLevel:
area = FF(x + 1, y, area)
if ((x - 1) >= (0 + exclusion)): # go to north
if tempHM[x - 1][y] == currentLevel:
area = FF(x - 1, y, area)
return area
# Flood fill by Queue to discover buildable area
def FFFF (x, y, area):
area.append([x,y])
stonks = []
stonks.append([x,y])
length = len(stonks)
tempHM[x][y] = 999
while length >= 1:
x = stonks[0][0]
y = stonks[0][1]
stonks.pop(0)
if ((y - 1) >= (0 + exclusion)): # go to west
if tempHM[x][y - 1] == currentLevel:
stonks.append([x, y - 1])
area.append([x, y - 1])
tempHM[x][y - 1] = 999
if ((y + 1) < (len(tempHM[x]) - exclusion)): # go to east
if tempHM[x][y + 1] == currentLevel:
stonks.append([x, y + 1])
area.append([x, y + 1])
tempHM[x][y + 1] = 999
if ((x + 1) < (len(tempHM) - exclusion)): # go to south
if tempHM[x + 1][y] == currentLevel:
stonks.append([x + 1, y])
area.append([x + 1, y])
tempHM[x + 1][y] = 999
if ((x - 1) >= (0 + exclusion)): # go to north
if tempHM[x - 1][y] == currentLevel:
stonks.append([x - 1, y])
area.append([x - 1, y])
tempHM[x - 1][y] = 999
length = len(stonks)
return area
# Flood fill by Recursive to discover non-assigned area
def FFZero(x, y, area, height, water, surroundingRegion):
if maskedHM[x][y] == "wate":
water.append([x,y])
height.append(waterHM[x][y])
else:
height.append(heightMap[x][y])
maskedHM[x][y] = 999
area.append([x,y])
if len(area) <= max(min(5000, int(len(tempHM) * len(tempHM[0]) / 10)), 3000):
if ((x + 1) < (len(maskedHM) - exclusion)): # go to south
if maskedHM[x + 1][y] == "0000" or (maskedHM[x + 1][y] == "wate" and waterHM[x + 1][y] != 63):
area, height, water, surroundingRegion = FFZero(x + 1, y, area, height, water, surroundingRegion)
elif maskedHM[x + 1][y] != "0000" and maskedHM[x + 1][y] != 999 and maskedHM[x + 1][y] not in excludedBlocks.values():
surroundingRegion.append(maskedHM[x + 1][y])
if ((y - 1) >= (0 + exclusion)): # go to west
if maskedHM[x][y - 1] == "0000" or (maskedHM[x][y - 1] == "wate" and waterHM[x][y - 1] != 63):
area, height, water, surroundingRegion = FFZero(x, y - 1, area, height, water, surroundingRegion)
elif maskedHM[x][y - 1] != "0000" and maskedHM[x][y - 1] != 999 and maskedHM[x][y - 1] not in excludedBlocks.values():
surroundingRegion.append(maskedHM[x][y - 1])
if ((x - 1) >= (0 + exclusion)): # go to north
if maskedHM[x - 1][y] == "0000" or (maskedHM[x - 1][y] == "wate" and waterHM[x - 1][y] != 63):
area, height, water, surroundingRegion = FFZero(x - 1, y, area, height, water, surroundingRegion)
elif maskedHM[x - 1][y] != "0000" and maskedHM[x - 1][y] != 999 and maskedHM[x - 1][y] not in excludedBlocks.values():
surroundingRegion.append(maskedHM[x - 1][y])
if ((y + 1) < (len(maskedHM[x]) - exclusion)): # go to east
if maskedHM[x][y + 1] == "0000" or (maskedHM[x][y + 1] == "wate" and waterHM[x][y + 1] != 63):
area, height, water, surroundingRegion = FFZero(x, y + 1, area, height, water, surroundingRegion)
elif maskedHM[x][y + 1] != "0000" and maskedHM[x][y + 1] != 999 and maskedHM[x][y + 1] not in excludedBlocks.values():
surroundingRegion.append(maskedHM[x][y + 1])
return area, height, water, surroundingRegion
# Flood fill by Queue to discover non-assigned area
def FFFFZero (x, y, area, height, water, surroundingRegion):
if maskedHM[x][y] == "wate":
water.append([x,y])
height.append(waterHM[x][y])
else:
height.append(heightMap[x][y])
area.append([x,y])
maskedHM[x][y] = 999
stonks = []
stonks.append([x,y])
length = len(stonks)
while length >= 1:
x = stonks[0][0]
y = stonks[0][1]
stonks.pop(0)
if heightMap[x][y] == -1 :
water.append([x,y])
height.append(waterHM[x][y])
else:
height.append(heightMap[x][y])
maskedHM[x][y] = 999
area.append([x,y])
if ((x + 1) < (len(maskedHM) - exclusion)): # go to west
if maskedHM[x + 1][y] == "0000" or (maskedHM[x + 1][y] == "wate" and waterHM[x + 1][y] != 63):
stonks.append([x + 1, y])
maskedHM[x + 1][y] = 999
elif maskedHM[x + 1][y] != "0000" and maskedHM[x + 1][y] != 999 and maskedHM[x + 1][y] not in excludedBlocks.values():
surroundingRegion.append(maskedHM[x + 1][y])
if ((y - 1) >= (0 + exclusion)): # go to east
if maskedHM[x][y - 1] == "0000" or (maskedHM[x][y - 1] == "wate" and waterHM[x][y - 1] != 63):
stonks.append([x, y - 1])
maskedHM[x][y - 1] = 999
elif maskedHM[x][y - 1] != "0000" and maskedHM[x][y - 1] != 999 and maskedHM[x][y - 1] not in excludedBlocks.values():
surroundingRegion.append(maskedHM[x][y - 1])
if ((x - 1) >= (0 + exclusion)): # go to south
if maskedHM[x - 1][y] == "0000" or (maskedHM[x - 1][y] == "wate" and waterHM[x - 1][y] != 63):
stonks.append([x - 1, y])
maskedHM[x - 1][y] = 999
elif maskedHM[x - 1][y] != "0000" and maskedHM[x - 1][y] != 999 and maskedHM[x - 1][y] not in excludedBlocks.values():
surroundingRegion.append(maskedHM[x - 1][y])
if ((y + 1) < (len(maskedHM[x]) - exclusion)): # go to north
if maskedHM[x][y + 1] == "0000" or (maskedHM[x][y + 1] == "wate" and waterHM[x][y + 1] != 63):
stonks.append([x, y + 1])
maskedHM[x][y + 1] = 999
elif maskedHM[x][y + 1] != "0000" and maskedHM[x][y + 1] != 999 and maskedHM[x][y + 1] not in excludedBlocks.values():
surroundingRegion.append(maskedHM[x][y + 1])
length = len(stonks)
# if len(area) >= max(min(5000, int(len(tempHM) * len(tempHM[0]) / 10)), 3000):
# return area, height, water, surroundingRegion
return area, height, water, surroundingRegion
logger.info("Calucating Region")
for x in range(exclusion, (len(tempHM) - exclusion)):
for y in range(exclusion, (len(tempHM[0]) - exclusion)):
if tempHM[x][y] < 257 and tempHM[x][y] >= -20:
currentLevel = tempHM[x][y]
regionAlias = excludedBlocks.get(currentLevel, '%04d' % currentRegion) # switch between excluded blocks and region label
area = FFFF(x, y, [])
if len(area) >= minimumArea: # if area greater equa, ls to the threshold
valid = False
for cell in area: # check if area contains minimum 12 x 12 area
if cell[0] + 12 < len(heightMap) and cell[1] + 12 < len(heightMap[0]):
plotArea = list([heightMap[i][k] for i in range(cell[0], cell[0] + 12) for k in range(cell[1], cell[1] + 12)])
if len(set(plotArea)) == 1 and list(set(plotArea))[0] == currentLevel:
valid = True
break
if valid:
for blocks in area:
maskedHM[blocks[0]][blocks[1]] = regionAlias
if currentLevel > 0:
regionDict[currentRegion] = currentLevel
currentRegion = currentRegion + 1
elif regionAlias is "wate" or regionAlias is "lava":
if waterHM[x][y] == 63 and len(area) > minimumArea:
regionAlias = 9999
for blocks in area:
maskedHM[blocks[0]][blocks[1]] = regionAlias
logger.info("Calucating Non-Region")
for x in range(exclusion, (len(maskedHM) - exclusion)):
for y in range(exclusion, (len(maskedHM[0]) - exclusion)):
if maskedHM[x][y] == "0000":
area, height, water, surroundingRegion = FFFFZero(x, y, [], [], [], [])
region = None
if len(surroundingRegion) > 0:
region = max(set(surroundingRegion), key=surroundingRegion.count)
if region != None and len(area) <= (minimumArea * 4): #if non-assigned area is bordered with an assigned area
for item in area: # Assign assigned area to non-assigned area
alterDict[item[0],item[1]] = (regionDict.get(int(region)) - waterHM[item[0]][item[1]]) if heightMap[item[0]][item[1]] == -1 else (regionDict.get(int(region)) - heightMap[item[0]][item[1]])
alterHeightDict[item[0],item[1]] = waterHM[item[0]][item[1]] if heightMap[item[0]][item[1]] == -1 else heightMap[item[0]][item[1]]
if heightMap[item[0]][item[1]] == -1 and (regionDict.get(int(region)) - waterHM[item[0]][item[1]] > 0):
level.setBlockAt(box.minx + item[0], waterHM[item[0]][item[1]] - 1, box.minz + item[1], 2)
maskedHM[item[0]][item[1]] = region
else: #if non-assigned area not bordered with an assigned area
tempHeight = deepcopy(height) # remove top and bottom section to make way for buildable area
tempHeight.sort()
tempHeight = [i for i in tempHeight if i > 0]
if len(tempHeight) > 1:
upperRemoval = tempHeight[int(len(tempHeight) * 0.75):len(tempHeight)]
upperRemoval = list(set(upperRemoval))
lowerRemoval = tempHeight[0:int(len(tempHeight) * 0.1)]
lowerRemoval = list(set(lowerRemoval))
if len([i for i in list(set(tempHeight)) if i not in upperRemoval]) > 1:
targetHeight = max([i for i in list(set(tempHeight)) if i not in upperRemoval])
if len(tempHeight[int(len(tempHeight) * 0.75):len(tempHeight)]) > 1:
for i in range(len(height)):
if height[i] in upperRemoval and height[i] > 0 and targetHeight > 0:
if heightMap[area[i][0]][area[i][1]] == -1:
# if waterHM[area[i][0]][area[i][1]] > 63 or waterHM[area[i][0]][area[i][1]] < 63:
level.setBlockAt(box.minx + area[i][0], waterHM[area[i][0]][area[i][1]] - 1, box.minz + area[i][1], 2)
level.setBlockDataAt(box.minx + area[i][0], waterHM[area[i][0]][area[i][1]] - 1, box.minz + area[i][1], 0)
level.setBlockAt(box.minx + area[i][0], targetHeight - 1, box.minz + area[i][1], 2)
level.setBlockDataAt(box.minx + area[i][0], targetHeight - 1, box.minz + area[i][1], 0)
alterDict[area[i][0], area[i][1]] = targetHeight - height[i]
alterHeightDict[area[i][0], area[i][1]] = height[i]
if len([i for i in list(set(tempHeight)) if i not in lowerRemoval]) > 1:
targetHeight = min([i for i in list(set(tempHeight)) if i not in lowerRemoval])
if len(tempHeight[0:int(len(tempHeight) * 0.1)]) > 1:
widthLFlag = False
widthRFlag = False
heightUFlag = False
heightLFlag = False
for i in range(len(height)):
if area[i] in water: # if water is link to border of selection
if area[i][0] <= 7:
widthLFlag = True
if area[i][1] <= 7:
heightUFlag = True
if area[i][0] >= box.length - 7:
widthRFlag = True
if area[i][1] >= box.width - 7:
heightLFlag = True
if sum([widthLFlag, widthRFlag, heightUFlag, heightLFlag]) <= 1:
for i in range(len(height)):
if height[i] in lowerRemoval and targetHeight > 0:
if heightMap[area[i][0]][area[i][1]] == -1:
level.setBlockAt(box.minx + area[i][0], waterHM[area[i][0]][area[i][1]] - 1, box.minz + area[i][1], 2)
level.setBlockDataAt(box.minx + area[i][0], waterHM[area[i][0]][area[i][1]] - 1, box.minz + area[i][1], 0)
level.setBlockAt(box.minx + area[i][0], targetHeight - 1, box.minz + area[i][1], 2)
level.setBlockDataAt(box.minx + area[i][0], targetHeight - 1, box.minz + area[i][1], 0)
alterDict[area[i][0], area[i][1]] = targetHeight - height[i]
alterHeightDict[area[i][0], area[i][1]] = height[i]
# afterHM = [[regionDict.get(maskedHM[j][k], tempHM[j][k]) if maskedHM[j][k] in excludedBlocks.values() else regionDict.get(int(maskedHM[j][k]), tempHM[j][k]) if maskedHM[j][k] != -7 else heightMap[j][k] for k in range(len(maskedHM[j]))] for j in range(len(maskedHM))]
# ---------------HM naming---------------
# diffHM - List height difference before and after moderification
# afterHM - List height after moderification
# maskedHM - List region group after moderification
# heightMap2File(afterHM, "HMA")
# heightMap2File(diffHM, "HMD")
# heightMap2File(maskedHM, "HMM")
return alterDict, alterHeightDict # return Dict with changed blocks and orginal blocks height
except Exception as e:
logger.error(e)
def editTerrainFF(level, box, alterDict, alterHeightdict):
try: # Edit terrain by height and location by dictionary passed
for key, value in alterDict:
x = key
y = value
diff = alterDict[x, y]
mappedx = box.minx + x
mappedz = box.minz + y
topblock = level.blockAt(mappedx, alterHeightdict[x, y] - 1, mappedz)
block = level.blockAt(mappedx, alterHeightdict[x, y] - 1, mappedz)
if diff < 0:
diff -= 1
block = 0
for e in xrange(abs(diff)):
level.setBlockAt(mappedx, (alterHeightdict[x, y] + (e * (diff / abs(diff)))), mappedz, block)
level.setBlockDataAt(mappedx, (alterHeightdict[x, y] + (e * (diff / abs(diff)))), mappedz, 0)
if diff < 0 :
level.setBlockAt(mappedx, (alterHeightdict[x, y] + diff), mappedz, topblock)
level.setBlockDataAt(mappedx, (alterHeightdict[x, y] + diff), mappedz, 0)
except Exception as e:
logger.error(e)
def findWaterSurface(waterHeightmap, processedHeightmap):
try:
combinedHM = []
for water, processed in zip(waterHeightmap, processedHeightmap):
row = []
for w, p in zip(water, processed):
if p == -1:
row.append(w)
else:
row.append(p)
combinedHM.append(row)
return combinedHM
except Exception as e:
logger.error(e)
def removeLava(level, box, lavaHeightmap, groundHeightmap, processedHeightmap):
try:
# Gets the index rather than value
for i in range(len(processedHeightmap)):
for j in range(len(processedHeightmap[i])):
if processedHeightmap[i][j] == -2: # lava
x = box.minx + i
z = box.minz + j
y1 = lavaHeightmap[i][j]
y2 = groundHeightmap[i][j]
for l in range(y2, y1):
level.setBlockAt(x, l, z, 2)
level.setBlockDataAt(x, l, z, 0)
logger.info('Removing lava pools...')
except Exception as e:
logger.error(e)