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renderer.py
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"""Copyright (c) 2010-2012 David Rio Vierra
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE."""
"""
renderer.py
What is going on in this file?
Here is an attempt to show the relationships between classes and
their responsibilities
MCRenderer:
has "position", "origin", optionally "viewFrustum"
Loads chunks near position+origin, draws chunks offset by origin
Calls visible on viewFrustum to exclude chunks
(+) ChunkRenderer
Has "chunkPosition", "invalidLayers", "lists"
One per chunk and detail level.
Creates display lists from BlockRenderers
(*) BlockRenderer
Has "vertexArrays"
One per block type, plus one for low detail and one for Entity
"""
from collections import defaultdict, deque
from datetime import datetime, timedelta
from depths import DepthOffset
from glutils import gl, Texture
import logging
import numpy
from OpenGL import GL
import pymclevel
import sys
from config import config
# import time
def chunkMarkers(chunkSet):
""" Returns a mapping { size: [position, ...] } for different powers of 2
as size.
"""
sizedChunks = defaultdict(list)
size = 1
def all4(cx, cz):
cx &= ~size
cz &= ~size
return [(cx, cz), (cx + size, cz), (cx + size, cz + size), (cx, cz + size)]
# lastsize = 6
size = 1
while True:
nextsize = size << 1
chunkSet = set(chunkSet)
while len(chunkSet):
cx, cz = chunkSet.pop()
chunkSet.add((cx, cz))
o = all4(cx, cz)
others = set(o).intersection(chunkSet)
if len(others) == 4:
sizedChunks[nextsize].append(o[0])
for c in others:
chunkSet.discard(c)
else:
for c in others:
sizedChunks[size].append(c)
chunkSet.discard(c)
if len(sizedChunks[nextsize]):
chunkSet = set(sizedChunks[nextsize])
sizedChunks[nextsize] = []
size <<= 1
else:
break
return sizedChunks
class ChunkRenderer(object):
maxlod = 2
minlod = 0
def __init__(self, renderer, chunkPosition):
self.renderer = renderer
self.blockRenderers = []
self.detailLevel = 0
self.invalidLayers = set(Layer.AllLayers)
self.chunkPosition = chunkPosition
self.bufferSize = 0
self.renderstateLists = None
@property
def visibleLayers(self):
return self.renderer.visibleLayers
def forgetDisplayLists(self, states=None):
if self.renderstateLists is not None:
# print "Discarded {0}, gained {1} bytes".format(self.chunkPosition,self.bufferSize)
for k in states or self.renderstateLists.iterkeys():
a = self.renderstateLists.get(k, [])
# print a
for i in a:
gl.glDeleteLists(i, 1)
if states:
del self.renderstateLists[states]
else:
self.renderstateLists = None
self.needsRedisplay = True
self.renderer.discardMasterList()
def debugDraw(self):
for blockRenderer in self.blockRenderers:
blockRenderer.drawArrays(self.chunkPosition, False)
def makeDisplayLists(self):
if not self.needsRedisplay:
return
self.forgetDisplayLists()
if not self.blockRenderers:
return
lists = defaultdict(list)
showRedraw = self.renderer.showRedraw
if not (showRedraw and self.needsBlockRedraw):
GL.glEnableClientState(GL.GL_COLOR_ARRAY)
renderers = self.blockRenderers
for blockRenderer in renderers:
if self.detailLevel not in blockRenderer.detailLevels:
continue
if blockRenderer.layer not in self.visibleLayers:
continue
l = blockRenderer.makeArrayList(self.chunkPosition, self.needsBlockRedraw and showRedraw)
lists[blockRenderer.renderstate].append(l)
if not (showRedraw and self.needsBlockRedraw):
GL.glDisableClientState(GL.GL_COLOR_ARRAY)
self.needsRedisplay = False
self.renderstateLists = lists
@property
def needsBlockRedraw(self):
return Layer.Blocks in self.invalidLayers
def invalidate(self, layers=None):
if layers is None:
layers = Layer.AllLayers
if layers:
layers = set(layers)
self.invalidLayers.update(layers)
blockRenderers = [br for br in self.blockRenderers
if br.layer is Layer.Blocks
or br.layer not in layers]
if len(blockRenderers) < len(self.blockRenderers):
self.forgetDisplayLists()
self.blockRenderers = blockRenderers
if self.renderer.showRedraw and Layer.Blocks in layers:
self.needsRedisplay = True
def calcFaces(self):
minlod = self.renderer.detailLevelForChunk(self.chunkPosition)
minlod = min(minlod, self.maxlod)
if self.detailLevel != minlod:
self.forgetDisplayLists()
self.detailLevel = minlod
self.invalidLayers.add(Layer.Blocks)
# discard the standard detail renderers
if minlod > 0:
blockRenderers = []
for br in self.blockRenderers:
if br.detailLevels != (0,):
blockRenderers.append(br)
self.blockRenderers = blockRenderers
if self.renderer.chunkCalculator:
for _ in self.renderer.chunkCalculator.calcFacesForChunkRenderer(self):
yield
else:
raise StopIteration
def vertexArraysDone(self):
bufferSize = 0
for br in self.blockRenderers:
bufferSize += br.bufferSize()
if self.renderer.alpha != 0xff:
br.setAlpha(self.renderer.alpha)
self.bufferSize = bufferSize
self.invalidLayers = set()
self.needsRedisplay = True
self.renderer.invalidateMasterList()
needsRedisplay = False
@property
def done(self):
return len(self.invalidLayers) == 0
_XYZ = numpy.s_[..., 0:3]
_ST = numpy.s_[..., 3:5]
_XYZST = numpy.s_[..., :5]
_RGBA = numpy.s_[..., 20:24]
_RGB = numpy.s_[..., 20:23]
_A = numpy.s_[..., 23]
def makeVertexTemplates(xmin=0, ymin=0, zmin=0, xmax=1, ymax=1, zmax=1):
return numpy.array([
# FaceXIncreasing:
[[xmax, ymin, zmax, (zmin * 16), 16 - (ymin * 16), 0x0b],
[xmax, ymin, zmin, (zmax * 16), 16 - (ymin * 16), 0x0b],
[xmax, ymax, zmin, (zmax * 16), 16 - (ymax * 16), 0x0b],
[xmax, ymax, zmax, (zmin * 16), 16 - (ymax * 16), 0x0b],
],
# FaceXDecreasing:
[[xmin, ymin, zmin, (zmin * 16), 16 - (ymin * 16), 0x0b],
[xmin, ymin, zmax, (zmax * 16), 16 - (ymin * 16), 0x0b],
[xmin, ymax, zmax, (zmax * 16), 16 - (ymax * 16), 0x0b],
[xmin, ymax, zmin, (zmin * 16), 16 - (ymax * 16), 0x0b]],
# FaceYIncreasing:
[[xmin, ymax, zmin, xmin * 16, 16 - (zmax * 16), 0x11], # ne
[xmin, ymax, zmax, xmin * 16, 16 - (zmin * 16), 0x11], # nw
[xmax, ymax, zmax, xmax * 16, 16 - (zmin * 16), 0x11], # sw
[xmax, ymax, zmin, xmax * 16, 16 - (zmax * 16), 0x11]], # se
# FaceYDecreasing:
[[xmin, ymin, zmin, xmin * 16, 16 - (zmax * 16), 0x08],
[xmax, ymin, zmin, xmax * 16, 16 - (zmax * 16), 0x08],
[xmax, ymin, zmax, xmax * 16, 16 - (zmin * 16), 0x08],
[xmin, ymin, zmax, xmin * 16, 16 - (zmin * 16), 0x08]],
# FaceZIncreasing:
[[xmin, ymin, zmax, xmin * 16, 16 - (ymin * 16), 0x0d],
[xmax, ymin, zmax, xmax * 16, 16 - (ymin * 16), 0x0d],
[xmax, ymax, zmax, xmax * 16, 16 - (ymax * 16), 0x0d],
[xmin, ymax, zmax, xmin * 16, 16 - (ymax * 16), 0x0d]],
# FaceZDecreasing:
[[xmax, ymin, zmin, xmin * 16, 16 - (ymin * 16), 0x0d],
[xmin, ymin, zmin, xmax * 16, 16 - (ymin * 16), 0x0d],
[xmin, ymax, zmin, xmax * 16, 16 - (ymax * 16), 0x0d],
[xmax, ymax, zmin, xmin * 16, 16 - (ymax * 16), 0x0d],
],
])
elementByteLength = 24
def createPrecomputedVertices():
height = 16
precomputedVertices = [numpy.zeros(shape=(16, 16, height, 4, 6), # x,y,z,s,t,rg, ba
dtype='float32') for d in faceVertexTemplates]
xArray = numpy.arange(16)[:, numpy.newaxis, numpy.newaxis, numpy.newaxis]
zArray = numpy.arange(16)[numpy.newaxis, :, numpy.newaxis, numpy.newaxis]
yArray = numpy.arange(height)[numpy.newaxis, numpy.newaxis, :, numpy.newaxis]
for dir in range(len(faceVertexTemplates)):
precomputedVertices[dir][_XYZ][..., 0] = xArray
precomputedVertices[dir][_XYZ][..., 1] = yArray
precomputedVertices[dir][_XYZ][..., 2] = zArray
precomputedVertices[dir][_XYZ] += faceVertexTemplates[dir][..., 0:3] # xyz
precomputedVertices[dir][_ST] = faceVertexTemplates[dir][..., 3:5] # s
precomputedVertices[dir].view('uint8')[_RGB] = faceVertexTemplates[dir][..., 5, numpy.newaxis]
precomputedVertices[dir].view('uint8')[_A] = 0xff
return precomputedVertices
faceVertexTemplates = makeVertexTemplates()
class ChunkCalculator(object):
cachedTemplate = None
cachedTemplateHeight = 0
whiteLight = numpy.array([[[15] * 16] * 16] * 16, numpy.uint8)
precomputedVertices = createPrecomputedVertices()
def __init__(self, level):
self.makeRenderstates(level.materials)
# del xArray, zArray, yArray
self.nullVertices = numpy.zeros((0,) * len(self.precomputedVertices[0].shape),
dtype=self.precomputedVertices[0].dtype)
config.settings.fastLeaves.addObserver(self)
config.settings.roughGraphics.addObserver(self)
class renderstatePlain(object):
@classmethod
def bind(cls):
pass
@classmethod
def release(cls):
pass
class renderstateVines(object):
@classmethod
def bind(cls):
GL.glDisable(GL.GL_CULL_FACE)
GL.glEnable(GL.GL_ALPHA_TEST)
@classmethod
def release(cls):
GL.glEnable(GL.GL_CULL_FACE)
GL.glDisable(GL.GL_ALPHA_TEST)
class renderstateLowDetail(object):
@classmethod
def bind(cls):
GL.glDisable(GL.GL_CULL_FACE)
GL.glDisable(GL.GL_TEXTURE_2D)
@classmethod
def release(cls):
GL.glEnable(GL.GL_CULL_FACE)
GL.glEnable(GL.GL_TEXTURE_2D)
class renderstateAlphaTest(object):
@classmethod
def bind(cls):
GL.glEnable(GL.GL_ALPHA_TEST)
@classmethod
def release(cls):
GL.glDisable(GL.GL_ALPHA_TEST)
class _renderstateAlphaBlend(object):
@classmethod
def bind(cls):
GL.glEnable(GL.GL_BLEND)
@classmethod
def release(cls):
GL.glDisable(GL.GL_BLEND)
class renderstateWater(_renderstateAlphaBlend):
pass
class renderstateIce(_renderstateAlphaBlend):
pass
class renderstateEntity(object):
@classmethod
def bind(cls):
GL.glDisable(GL.GL_DEPTH_TEST)
# GL.glDisable(GL.GL_CULL_FACE)
GL.glDisable(GL.GL_TEXTURE_2D)
GL.glEnable(GL.GL_BLEND)
@classmethod
def release(cls):
GL.glEnable(GL.GL_DEPTH_TEST)
# GL.glEnable(GL.GL_CULL_FACE)
GL.glEnable(GL.GL_TEXTURE_2D)
GL.glDisable(GL.GL_BLEND)
renderstates = (
renderstatePlain,
renderstateVines,
renderstateLowDetail,
renderstateAlphaTest,
renderstateIce,
renderstateWater,
renderstateEntity,
)
def makeRenderstates(self, materials):
self.blockRendererClasses = [
GenericBlockRenderer,
LeafBlockRenderer,
PlantBlockRenderer,
TorchBlockRenderer,
WaterBlockRenderer,
SlabBlockRenderer,
]
if materials.name in ("Alpha", "Pocket"):
self.blockRendererClasses += [
RailBlockRenderer,
LadderBlockRenderer,
SnowBlockRenderer,
CarpetBlockRenderer,
CactusBlockRenderer,
PaneBlockRenderer,
CakeBlockRenderer,
DaylightBlockRenderer,
WallSignBlockRenderer,
#LeverBlockRenderer,
BedBlockRenderer,
EnchantingBlockRenderer,
RedstoneBlockRenderer,
IceBlockRenderer,
#ButtonBlockRenderer,
FenceBlockRenderer,
NetherFenceBlockRenderer,
StairBlockRenderer,
RepeaterBlockRenderer,
VineBlockRenderer,
PlateBlockRenderer,
# button, floor plate, door -> 1-cube features
# lever, sign, wall sign, stairs -> 2-cube features
# fence
# portal
]
self.materialMap = materialMap = numpy.zeros((pymclevel.materials.id_limit,), 'uint8')
materialMap[1:] = 1 # generic blocks
materialCount = 2
for br in self.blockRendererClasses[1:]: # skip generic blocks
materialMap[br.getBlocktypes(materials)] = materialCount
br.materialIndex = materialCount
materialCount += 1
self.exposedMaterialMap = numpy.array(materialMap)
self.addTransparentMaterials(self.exposedMaterialMap, materialCount)
def addTransparentMaterials(self, mats, materialCount):
transparentMaterials = [
pymclevel.materials.alphaMaterials.Glass,
pymclevel.materials.alphaMaterials.GlassPane,
pymclevel.materials.alphaMaterials.IronBars,
pymclevel.materials.alphaMaterials.MonsterSpawner,
pymclevel.materials.alphaMaterials.Vines,
pymclevel.materials.alphaMaterials.Fire,
pymclevel.materials.alphaMaterials.Trapdoor,
pymclevel.materials.alphaMaterials.Lever,
pymclevel.materials.alphaMaterials.BrewingStand,
pymclevel.materials.alphaMaterials.Anvil,
pymclevel.materials.alphaMaterials.Barrier,
pymclevel.materials.alphaMaterials.StainedGlass,
pymclevel.materials.alphaMaterials.Hopper,
pymclevel.materials.alphaMaterials.Cauldron,
pymclevel.materials.alphaMaterials.WoodenDoor,
pymclevel.materials.alphaMaterials.IronDoor,
pymclevel.materials.alphaMaterials.AcaciaDoor,
pymclevel.materials.alphaMaterials.JungleDoor,
pymclevel.materials.alphaMaterials.IronTrapdoor,
pymclevel.materials.alphaMaterials.Button,
pymclevel.materials.alphaMaterials.WoodenButton,
pymclevel.materials.alphaMaterials.FenceGate,
pymclevel.materials.alphaMaterials.SpruceFenceGate,
pymclevel.materials.alphaMaterials.BirchFenceGate,
pymclevel.materials.alphaMaterials.JungleFenceGate,
pymclevel.materials.alphaMaterials.DarkOakFenceGate,
pymclevel.materials.alphaMaterials.AcaciaFenceGate,
pymclevel.materials.alphaMaterials.Sign
]
for b in transparentMaterials:
mats[b.ID] = materialCount
materialCount += 1
# don't show boundaries between dirt,grass,sand,gravel,or stone.
hiddenOreMaterials = numpy.arange(pymclevel.materials.id_limit, dtype='uint8')
stoneid = pymclevel.materials.alphaMaterials.Stone.ID
hiddenOreMaterials[pymclevel.materials.alphaMaterials.Dirt.ID] = stoneid
hiddenOreMaterials[pymclevel.materials.alphaMaterials.Grass.ID] = stoneid
hiddenOreMaterials[pymclevel.materials.alphaMaterials.Sand.ID] = stoneid
hiddenOreMaterials[pymclevel.materials.alphaMaterials.Gravel.ID] = stoneid
hiddenOreMaterials[pymclevel.materials.alphaMaterials.Netherrack.ID] = stoneid
roughMaterials = numpy.ones((pymclevel.materials.id_limit,), dtype='uint8')
roughMaterials[0] = 0
addTransparentMaterials(None, roughMaterials, 2)
def calcFacesForChunkRenderer(self, cr):
if 0 == len(cr.invalidLayers):
# layers = set(br.layer for br in cr.blockRenderers)
# assert set() == cr.visibleLayers.difference(layers)
return
lod = cr.detailLevel
cx, cz = cr.chunkPosition
level = cr.renderer.level
try:
chunk = level.getChunk(cx, cz)
except Exception, e:
if "Session lock lost" in e.message:
yield
return
logging.warn(u"Error reading chunk: %s", e)
yield
return
yield
brs = []
classes = [
TileEntityRenderer,
MonsterRenderer,
ItemRenderer,
TileTicksRenderer,
TerrainPopulatedRenderer,
ChunkBorderRenderer,
LowDetailBlockRenderer,
OverheadBlockRenderer,
]
existingBlockRenderers = dict(((type(b), b) for b in cr.blockRenderers))
for blockRendererClass in classes:
if cr.detailLevel not in blockRendererClass.detailLevels:
continue
if blockRendererClass.layer not in cr.visibleLayers:
continue
if blockRendererClass.layer not in cr.invalidLayers:
if blockRendererClass in existingBlockRenderers:
brs.append(existingBlockRenderers[blockRendererClass])
continue
br = blockRendererClass(self)
br.detailLevel = cr.detailLevel
for _ in br.makeChunkVertices(chunk):
yield
brs.append(br)
blockRenderers = []
# Recalculate high detail blocks if needed, otherwise retain the high detail renderers
if lod == 0 and Layer.Blocks in cr.invalidLayers:
for _ in self.calcHighDetailFaces(cr, blockRenderers):
yield
else:
blockRenderers.extend(br for br in cr.blockRenderers if type(br) not in classes)
# Add the layer renderers
blockRenderers.extend(brs)
cr.blockRenderers = blockRenderers
cr.vertexArraysDone()
raise StopIteration
@staticmethod
def getNeighboringChunks(chunk):
cx, cz = chunk.chunkPosition
level = chunk.world
neighboringChunks = {}
for dir, dx, dz in ((pymclevel.faces.FaceXDecreasing, -1, 0),
(pymclevel.faces.FaceXIncreasing, 1, 0),
(pymclevel.faces.FaceZDecreasing, 0, -1),
(pymclevel.faces.FaceZIncreasing, 0, 1)):
if not level.containsChunk(cx + dx, cz + dz):
neighboringChunks[dir] = pymclevel.infiniteworld.ZeroChunk(level.Height)
else:
# if not level.chunkIsLoaded(cx+dx,cz+dz):
# raise StopIteration
try:
neighboringChunks[dir] = level.getChunk(cx + dx, cz + dz)
except (EnvironmentError, pymclevel.mclevelbase.ChunkNotPresent, pymclevel.mclevelbase.ChunkMalformed):
neighboringChunks[dir] = pymclevel.infiniteworld.ZeroChunk(level.Height)
return neighboringChunks
@staticmethod
def getAreaBlocks(chunk, neighboringChunks):
chunkWidth, chunkLength, chunkHeight = chunk.Blocks.shape
areaBlocks = numpy.zeros((chunkWidth + 2, chunkLength + 2, chunkHeight + 2), numpy.uint16)
areaBlocks[1:-1, 1:-1, 1:-1] = chunk.Blocks
areaBlocks[:1, 1:-1, 1:-1] = neighboringChunks[pymclevel.faces.FaceXDecreasing].Blocks[-1:, :chunkLength,
:chunkHeight]
areaBlocks[-1:, 1:-1, 1:-1] = neighboringChunks[pymclevel.faces.FaceXIncreasing].Blocks[:1, :chunkLength,
:chunkHeight]
areaBlocks[1:-1, :1, 1:-1] = neighboringChunks[pymclevel.faces.FaceZDecreasing].Blocks[:chunkWidth, -1:,
:chunkHeight]
areaBlocks[1:-1, -1:, 1:-1] = neighboringChunks[pymclevel.faces.FaceZIncreasing].Blocks[:chunkWidth, :1,
:chunkHeight]
return areaBlocks
@staticmethod
def getFacingBlockIndices(areaBlocks, areaBlockMats):
facingBlockIndices = [None] * 6
exposedFacesX = (areaBlockMats[:-1, 1:-1, 1:-1] != areaBlockMats[1:, 1:-1, 1:-1])
facingBlockIndices[pymclevel.faces.FaceXDecreasing] = exposedFacesX[:-1]
facingBlockIndices[pymclevel.faces.FaceXIncreasing] = exposedFacesX[1:]
exposedFacesZ = (areaBlockMats[1:-1, :-1, 1:-1] != areaBlockMats[1:-1, 1:, 1:-1])
facingBlockIndices[pymclevel.faces.FaceZDecreasing] = exposedFacesZ[:, :-1]
facingBlockIndices[pymclevel.faces.FaceZIncreasing] = exposedFacesZ[:, 1:]
exposedFacesY = (areaBlockMats[1:-1, 1:-1, :-1] != areaBlockMats[1:-1, 1:-1, 1:])
facingBlockIndices[pymclevel.faces.FaceYDecreasing] = exposedFacesY[:, :, :-1]
facingBlockIndices[pymclevel.faces.FaceYIncreasing] = exposedFacesY[:, :, 1:]
return facingBlockIndices
def getAreaBlockLights(self, chunk, neighboringChunks):
chunkWidth, chunkLength, chunkHeight = chunk.Blocks.shape
lights = chunk.BlockLight
skyLight = chunk.SkyLight
finalLight = self.whiteLight
if lights is not None:
finalLight = lights
if skyLight is not None:
finalLight = numpy.maximum(skyLight, lights)
areaBlockLights = numpy.ones((chunkWidth + 2, chunkLength + 2, chunkHeight + 2), numpy.uint8)
areaBlockLights[:] = 15
areaBlockLights[1:-1, 1:-1, 1:-1] = finalLight
nc = neighboringChunks[pymclevel.faces.FaceXDecreasing]
numpy.maximum(nc.SkyLight[-1:, :chunkLength, :chunkHeight],
nc.BlockLight[-1:, :chunkLength, :chunkHeight],
areaBlockLights[0:1, 1:-1, 1:-1])
nc = neighboringChunks[pymclevel.faces.FaceXIncreasing]
numpy.maximum(nc.SkyLight[:1, :chunkLength, :chunkHeight],
nc.BlockLight[:1, :chunkLength, :chunkHeight],
areaBlockLights[-1:, 1:-1, 1:-1])
nc = neighboringChunks[pymclevel.faces.FaceZDecreasing]
numpy.maximum(nc.SkyLight[:chunkWidth, -1:, :chunkHeight],
nc.BlockLight[:chunkWidth, -1:, :chunkHeight],
areaBlockLights[1:-1, 0:1, 1:-1])
nc = neighboringChunks[pymclevel.faces.FaceZIncreasing]
numpy.maximum(nc.SkyLight[:chunkWidth, :1, :chunkHeight],
nc.BlockLight[:chunkWidth, :1, :chunkHeight],
areaBlockLights[1:-1, -1:, 1:-1])
minimumLight = 4
# areaBlockLights[areaBlockLights<minimumLight]=minimumLight
numpy.clip(areaBlockLights, minimumLight, 16, areaBlockLights)
return areaBlockLights
def calcHighDetailFaces(self, cr,
blockRenderers): # ForChunk(self, chunkPosition = (0,0), level = None, alpha = 1.0):
""" calculate the geometry for a chunk renderer from its blockMats, data,
and lighting array. fills in the cr's blockRenderers with verts
for each block facing and material"""
# chunkBlocks and chunkLights shall be indexed [x,z,y] to follow infdev's convention
cx, cz = cr.chunkPosition
level = cr.renderer.level
chunk = level.getChunk(cx, cz)
neighboringChunks = self.getNeighboringChunks(chunk)
areaBlocks = self.getAreaBlocks(chunk, neighboringChunks)
yield
areaBlockLights = self.getAreaBlockLights(chunk, neighboringChunks)
yield
slabs = areaBlocks == pymclevel.materials.alphaMaterials.StoneSlab.ID #If someone could combine these, that would be great.
if slabs.any():
areaBlockLights[slabs] = areaBlockLights[:, :, 1:][slabs[:, :, :-1]]
yield
woodSlabs = areaBlocks == pymclevel.materials.alphaMaterials.OakWoodSlab.ID
if woodSlabs.any():
areaBlockLights[woodSlabs] = areaBlockLights[:, :, 1:][woodSlabs[:, :, :-1]]
yield
redSlabs = areaBlocks == pymclevel.materials.alphaMaterials.RedSandstoneSlab.ID
if redSlabs.any():
areaBlockLights[redSlabs] = areaBlockLights[:, :, 1:][redSlabs[:, :, :-1]]
yield
showHiddenOres = cr.renderer.showHiddenOres
if showHiddenOres:
facingMats = self.hiddenOreMaterials[areaBlocks]
else:
facingMats = self.exposedMaterialMap[areaBlocks]
yield
if self.roughGraphics:
areaBlockMats = self.roughMaterials[areaBlocks]
else:
areaBlockMats = self.materialMap[areaBlocks]
facingBlockIndices = self.getFacingBlockIndices(areaBlocks, facingMats)
yield
for _ in self.computeGeometry(chunk, areaBlockMats, facingBlockIndices, areaBlockLights, cr, blockRenderers):
yield
def computeGeometry(self, chunk, areaBlockMats, facingBlockIndices, areaBlockLights, chunkRenderer, blockRenderers):
blocks, blockData = chunk.Blocks, chunk.Data
blockData &= 0xf
blockMaterials = areaBlockMats[1:-1, 1:-1, 1:-1]
if self.roughGraphics:
blockMaterials.clip(0, 1, blockMaterials)
sx = sz = slice(0, 16)
asx = asz = slice(0, 18)
for y in range(0, chunk.world.Height, 16):
sy = slice(y, y + 16)
asy = slice(y, y + 18)
for _ in self.computeCubeGeometry(
y,
blockRenderers,
blocks[sx, sz, sy],
blockData[sx, sz, sy],
chunk.materials,
blockMaterials[sx, sz, sy],
[f[sx, sz, sy] for f in facingBlockIndices],
areaBlockLights[asx, asz, asy],
chunkRenderer):
yield
def computeCubeGeometry(self, y, blockRenderers, blocks, blockData, materials, blockMaterials, facingBlockIndices,
areaBlockLights, chunkRenderer):
materialCounts = numpy.bincount(blockMaterials.ravel())
def texMap(blocks, blockData=0, direction=slice(None)):
return materials.blockTextures[blocks, blockData, direction] # xxx slow
for blockRendererClass in self.blockRendererClasses:
mi = blockRendererClass.materialIndex
if mi >= len(materialCounts) or materialCounts[mi] == 0:
continue
blockRenderer = blockRendererClass(self)
blockRenderer.y = y
blockRenderer.materials = materials
for _ in blockRenderer.makeVertices(facingBlockIndices, blocks, blockMaterials, blockData, areaBlockLights,
texMap):
yield
blockRenderers.append(blockRenderer)
yield
def makeTemplate(self, direction, blockIndices):
return self.precomputedVertices[direction][blockIndices]
class Layer:
Blocks = "Blocks"
Entities = "Entities"
Monsters = "Monsters"
Items = "Items"
TileEntities = "TileEntities"
TileTicks = "TileTicks"
TerrainPopulated = "TerrainPopulated"
ChunkBorder = "ChunkBorder"
AllLayers = (Blocks, Entities, Monsters, Items, TileEntities, TileTicks, TerrainPopulated, ChunkBorder)
class BlockRenderer(object):
# vertexArrays = None
detailLevels = (0,)
layer = Layer.Blocks
directionOffsets = {
pymclevel.faces.FaceXDecreasing: numpy.s_[:-2, 1:-1, 1:-1],
pymclevel.faces.FaceXIncreasing: numpy.s_[2:, 1:-1, 1:-1],
pymclevel.faces.FaceYDecreasing: numpy.s_[1:-1, 1:-1, :-2],
pymclevel.faces.FaceYIncreasing: numpy.s_[1:-1, 1:-1, 2:],
pymclevel.faces.FaceZDecreasing: numpy.s_[1:-1, :-2, 1:-1],
pymclevel.faces.FaceZIncreasing: numpy.s_[1:-1, 2:, 1:-1],
}
renderstate = ChunkCalculator.renderstateAlphaTest
def __init__(self, cc):
self.makeTemplate = cc.makeTemplate
self.chunkCalculator = cc
self.vertexArrays = []
pass
@classmethod
def getBlocktypes(cls, mats):
return cls.blocktypes
def setAlpha(self, alpha):
"alpha is an unsigned byte value"
for a in self.vertexArrays:
a.view('uint8')[_RGBA][..., 3] = alpha
def bufferSize(self):
return sum(a.size for a in self.vertexArrays) * 4
def getMaterialIndices(self, blockMaterials):
return blockMaterials == self.materialIndex
def makeVertices(self, facingBlockIndices, blocks, blockMaterials, blockData, areaBlockLights, texMap):
arrays = []
materialIndices = self.getMaterialIndices(blockMaterials)
yield
blockLight = areaBlockLights[1:-1, 1:-1, 1:-1]
for (direction, exposedFaceIndices) in enumerate(facingBlockIndices):
facingBlockLight = areaBlockLights[self.directionOffsets[direction]]
vertexArray = self.makeFaceVertices(direction, materialIndices, exposedFaceIndices, blocks, blockData,
blockLight, facingBlockLight, texMap)
yield
if len(vertexArray):
arrays.append(vertexArray)
self.vertexArrays = arrays
def makeArrayList(self, chunkPosition, showRedraw):
l = gl.glGenLists(1)
GL.glNewList(l, GL.GL_COMPILE)
self.drawArrays(chunkPosition, showRedraw)
GL.glEndList()
return l
def drawArrays(self, chunkPosition, showRedraw):
cx, cz = chunkPosition
y = 0
if hasattr(self, 'y'):
y = self.y
with gl.glPushMatrix(GL.GL_MODELVIEW):
GL.glTranslate(cx << 4, y, cz << 4)
if showRedraw:
GL.glColor(1.0, 0.25, 0.25, 1.0)
self.drawVertices()
def drawVertices(self):
if self.vertexArrays:
for buf in self.vertexArrays:
self.drawFaceVertices(buf)
def drawFaceVertices(self, buf):
if 0 == len(buf):
return
stride = elementByteLength
GL.glVertexPointer(3, GL.GL_FLOAT, stride, (buf.ravel()))
GL.glTexCoordPointer(2, GL.GL_FLOAT, stride, (buf.ravel()[3:]))
GL.glColorPointer(4, GL.GL_UNSIGNED_BYTE, stride, (buf.view(dtype=numpy.uint8).ravel()[20:]))
GL.glDrawArrays(GL.GL_QUADS, 0, len(buf) * 4)
class EntityRendererGeneric(BlockRenderer):
renderstate = ChunkCalculator.renderstateEntity
detailLevels = (0, 1, 2)
def drawFaceVertices(self, buf):
if 0 == len(buf):
return
stride = elementByteLength
GL.glVertexPointer(3, GL.GL_FLOAT, stride, (buf.ravel()))
GL.glTexCoordPointer(2, GL.GL_FLOAT, stride, (buf.ravel()[3:]))
GL.glColorPointer(4, GL.GL_UNSIGNED_BYTE, stride, (buf.view(dtype=numpy.uint8).ravel()[20:]))
GL.glDepthMask(False)
GL.glPolygonMode(GL.GL_FRONT_AND_BACK, GL.GL_LINE)
GL.glLineWidth(2.0)
GL.glDrawArrays(GL.GL_QUADS, 0, len(buf) * 4)
GL.glPolygonMode(GL.GL_FRONT_AND_BACK, GL.GL_FILL)
GL.glPolygonOffset(DepthOffset.TerrainWire, DepthOffset.TerrainWire)
with gl.glEnable(GL.GL_POLYGON_OFFSET_FILL, GL.GL_DEPTH_TEST):
GL.glDrawArrays(GL.GL_QUADS, 0, len(buf) * 4)
GL.glDepthMask(True)
@staticmethod
def _computeVertices(positions, colors, offset=False, chunkPosition=(0, 0)):
cx, cz = chunkPosition
x = cx << 4
z = cz << 4
vertexArray = numpy.zeros(shape=(len(positions), 6, 4, 6), dtype='float32')
if len(positions):
positions = numpy.array(positions)
positions[:, (0, 2)] -= (x, z)
if offset:
positions -= 0.5
vertexArray.view('uint8')[_RGBA] = colors
vertexArray[_XYZ] = positions[:, numpy.newaxis, numpy.newaxis, :]
vertexArray[_XYZ] += faceVertexTemplates[_XYZ]
vertexArray.shape = (len(positions) * 6, 4, 6)
return vertexArray
class TileEntityRenderer(EntityRendererGeneric):
layer = Layer.TileEntities
def makeChunkVertices(self, chunk):
tilePositions = []
for i, ent in enumerate(chunk.TileEntities):
if i % 10 == 0:
yield
if 'x' not in ent:
continue
tilePositions.append(pymclevel.TileEntity.pos(ent))
tiles = self._computeVertices(tilePositions, (0xff, 0xff, 0x33, 0x44), chunkPosition=chunk.chunkPosition)
yield
self.vertexArrays = [tiles]
class BaseEntityRenderer(EntityRendererGeneric):
pass
class MonsterRenderer(BaseEntityRenderer):
layer = Layer.Entities # xxx Monsters
notMonsters = {"Item", "XPOrb", "Painting"}
def makeChunkVertices(self, chunk):
monsterPositions = []
for i, ent in enumerate(chunk.Entities):
if i % 10 == 0:
yield
id = ent["id"].value
if id in self.notMonsters:
continue
monsterPositions.append(pymclevel.Entity.pos(ent))
monsters = self._computeVertices(monsterPositions,
(0xff, 0x22, 0x22, 0x44),
offset=True,
chunkPosition=chunk.chunkPosition)
yield
self.vertexArrays = [monsters]
class EntityRenderer(BaseEntityRenderer):
@staticmethod
def makeChunkVertices(chunk):
yield
# entityPositions = []
# for i, ent in enumerate(chunk.Entities):
# if i % 10 == 0:
# yield
# entityPositions.append(pymclevel.Entity.pos(ent))
#
# entities = self._computeVertices(entityPositions, (0x88, 0x00, 0x00, 0x66), offset=True, chunkPosition=chunk.chunkPosition)
# yield
# self.vertexArrays = [entities]
class ItemRenderer(BaseEntityRenderer):
layer = Layer.Items
def makeChunkVertices(self, chunk):
entityPositions = []
entityColors = []
colorMap = {
"Item": (0x22, 0xff, 0x22, 0x5f),
"XPOrb": (0x88, 0xff, 0x88, 0x5f),
"Painting": (134, 96, 67, 0x5f),
}
for i, ent in enumerate(chunk.Entities):
if i % 10 == 0:
yield
color = colorMap.get(ent["id"].value)
if color is None:
continue