def loadPNGTexture(filename, *a, **kw):
try:
w, h, ndata = loadPNGFile(filename)
tex = glutils.Texture(name=os.path.basename(filename), image=ndata.ravel(),
width=w, height=h, *a, **kw)
return tex
except Exception as e:
print ("Exception loading ", filename, ": ", repr(e))
return glutils.Texture()
def loadPNGTexture(filename, *a, **kw):
try:
w, h, ndata = loadPNGFile(filename)
tex = glutils.Texture(functools.partial(loadTextureFunc, w, h, ndata), *a, **kw)
tex.data = ndata
return tex
except Exception as e:
print ("Exception loading ", filename, ": ", repr(e))
return glutils.Texture()
def texturePath(self, value):
self._texturePath = value
if value is not None:
log.info("Got texture path: %s", value)
try:
w, h, modelImage = loadPNGFile(value)
modelImage = modelImage[::-1]
# modelTex = loadPNGTexture(value)
if h == 32:
w, h, modelImage = fixupTextureImage(modelImage)
tex = glutils.Texture(name=os.path.basename(value),
image=modelImage.ravel(),
width=w,
height=h)
except Exception as e:
log.warn("Error while loading player texture: %r", e)
return
if self.entityNode:
self.removeChild(self.entityNode)
self.entityNode = entityModelNode(self.playerRef,
cookedModels['MCEDIT_Player'],
tex)
self.entityNode.addState(Enable(GL.GL_ALPHA_TEST))
self.addChild(self.entityNode)
else:
log.info("Did not get texture path.")
def _makeLightTexture(dayTime=1.0, minBrightness=1.0):
def _loadLightTexture():
pixels = generateLightmap(dayTime)
pixels.clip(int(minBrightness * 255), 255, pixels)
GL.glTexImage2D(GL.GL_TEXTURE_2D, 0, GL.GL_RGBA, 16, 16, 0, GL.GL_RGBA, GL.GL_UNSIGNED_BYTE, pixels.ravel())
return glutils.Texture(_loadLightTexture)
def load(self):
if self._terrainTexture is not None:
return
maxLOD = min(4, self._maxLOD)
if self.overrideMaxSize is None:
if maxLOD:
minFilter = GL.GL_NEAREST_MIPMAP_LINEAR
else:
minFilter = None
self._terrainTexture = glutils.Texture(name="TextureAtlas",
image=self.textureData.ravel(),
width=self.width, height=self.height,
minFilter=minFilter, maxLOD=maxLOD)
self._terrainTexture.load()
else:
self._terrainTexture = object()
if self._lightTexture is None:
self._lightTexture = LightTexture(self.dayTime, self.minBrightness)
self._lightTexture.load()
log.info("GL resources loaded for TextureAtlas for %s", util.displayName(self._filename))
def load(self):
if self._terrainTexture:
return
if self.overrideMaxSize is None:
maxSize = getGLMaximumTextureSize()
else:
maxSize = self.overrideMaxSize
maxLOD = min(4, self._maxLOD)
if not bool(GL.glGenerateMipmap):
maxLOD = 0
if maxLOD:
borderSize = 1 << (maxLOD - 1)
else:
borderSize = 0
slots = []
atlasWidth = 0
atlasHeight = 0
self._rawTextures.sort(key=lambda (_, w, h, __): max(w, h),
reverse=True)
for path, w, h, data in self._rawTextures:
w += borderSize * 2
h += borderSize * 2
for slot in slots:
if slot.addTexture(path, w, h, data):
log.debug("Slotting %s into an existing slot", path)
break
else:
if atlasHeight < 24 * atlasWidth and atlasHeight + h < maxSize:
# Prefer to lay out textures vertically, since animations are vertical strips
slots.append(
TextureSlot(0, atlasHeight, max(atlasWidth, w),
atlasHeight + h))
atlasWidth = max(atlasWidth, w)
atlasHeight = atlasHeight + h
else:
slots.append(
TextureSlot(atlasWidth, 0, atlasWidth + w,
max(atlasHeight, h)))
atlasWidth = atlasWidth + w
atlasHeight = max(atlasHeight, h)
if atlasWidth > maxSize or atlasHeight > maxSize:
raise ValueError(
"Building texture atlas: Textures too large for maximum texture size. (Needed "
"%s, only got %s", (atlasWidth, atlasHeight),
(maxSize, maxSize))
if not slots[-1].addTexture(path, w, h, data):
raise ValueError("Building texture atlas: Internal error.")
log.debug("Slotting %s into a newly created slot", path)
self.textureData = texData = numpy.zeros((atlasHeight, atlasWidth, 4),
dtype='uint8')
self.textureData[:] = [0xff, 0x0, 0xff, 0xff]
self.texCoordsByName = {}
b = borderSize
for slot in slots:
for name, left, top, width, height, data in slot.textures:
log.debug("Texture %s at (%d,%d,%d,%d)", name, left, top,
width, height)
texDataView = texData[top:top + height, left:left + width]
if b:
texDataView[b:-b, b:-b] = data
# Wrap texture edges to avoid antialiasing bugs at edges of blocks
texDataView[-b:, b:-b] = data[:b]
texDataView[:b, b:-b] = data[-b:]
texDataView[:, -b:] = texDataView[:, b:2 * b]
texDataView[:, :b] = texDataView[:, -b * 2:-b]
else:
texDataView[:] = data
self.texCoordsByName[
name] = left + b, top + b, width - 2 * b, height - 2 * b
def _load():
GL.glTexImage2D(GL.GL_TEXTURE_2D, 0, GL.GL_RGBA, atlasWidth,
atlasHeight, 0, GL.GL_RGBA, GL.GL_UNSIGNED_BYTE,
self.textureData.ravel())
if self.overrideMaxSize is None:
if maxLOD:
minFilter = GL.GL_NEAREST_MIPMAP_LINEAR
else:
minFilter = None
self._terrainTexture = glutils.Texture(_load,
minFilter=minFilter,
maxLOD=maxLOD)
self._terrainTexture.load()
else:
self._terrainTexture = object()
self.width = atlasWidth
self.height = atlasHeight
totalSize = atlasWidth * atlasHeight * 4
usedSize = sum(
sum(width * height for _, _, _, width, height, _ in slot.textures)
for slot in slots) * 4
log.info("Terrain atlas created for world %s (%d/%d kB)",
util.displayName(self._filename), usedSize / 1024,
totalSize / 1024)
self.blockModels.cookQuads(self)
