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Merge branch 'feature_layerview_ghosts' into ghosts

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# Conflicts:
#	plugins/LayerView/LayerView.py
This commit is contained in:
fieldOfView 2016-09-19 16:43:17 +02:00
commit 7bca6a648a
5 changed files with 406 additions and 233 deletions
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269
plugins/LayerView/LayerView.py
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@ -1,26 +1,21 @@
# Copyright (c) 2015 Ultimaker B.V.
# Cura is released under the terms of the AGPLv3 or higher.
from UM.PluginRegistry import PluginRegistry
from UM.View.View import View
from UM.Scene.Iterator.DepthFirstIterator import DepthFirstIterator
from UM.Resources import Resources
from UM.Event import Event, KeyEvent
from UM.Signal import Signal
from UM.Scene.Selection import Selection
from UM.Math.Color import Color
from UM.Mesh.MeshBuilder import MeshBuilder
from UM.Job import Job
from UM.Preferences import Preferences
from UM.Logger import Logger
from UM.Scene.SceneNode import SceneNode
from UM.View.RenderBatch import RenderBatch
from UM.View.GL.OpenGL import OpenGL
from UM.Message import Message
from UM.Application import Application
from cura.ConvexHullNode import ConvexHullNode
from PyQt5.QtCore import Qt, QTimer
from PyQt5.QtCore import Qt
from PyQt5.QtWidgets import QApplication
from . import LayerViewProxy
@ -28,62 +23,42 @@ from . import LayerViewProxy
from UM.i18n import i18nCatalog
catalog = i18nCatalog("cura")
import numpy
from . import LayerPass
import os.path
## View used to display g-code paths.
class LayerView(View):
def __init__(self):
super().__init__()
self._shader = None
self._ghost_shader = None
self._num_layers = 0
self._layer_percentage = 0 # what percentage of layers need to be shown (Slider gives value between 0 - 100)
self._proxy = LayerViewProxy.LayerViewProxy()
self._controller.getScene().getRoot().childrenChanged.connect(self._onSceneChanged)
self._max_layers = 0
self._current_layer_num = 0
self._current_layer_mesh = None
self._current_layer_jumps = None
self._top_layers_job = None
self._activity = False
self._old_max_layers = 0
self._global_container_stack = None
Preferences.getInstance().addPreference("view/top_layer_count", 5)
Preferences.getInstance().addPreference("view/only_show_top_layers", False)
Preferences.getInstance().preferenceChanged.connect(self._onPreferencesChanged)
self._ghost_shader = None
self._layer_pass = None
self._composite_pass = None
self._old_layer_bindings = None
self._layerview_composite_shader = None
self._old_composite_shader = None
self._solid_layers = int(Preferences.getInstance().getValue("view/top_layer_count"))
self._only_show_top_layers = bool(Preferences.getInstance().getValue("view/only_show_top_layers"))
self._busy = False
self._wireprint_warning_message = Message(catalog.i18nc("@info:status", "Cura does not accurately display layers when Wire Printing is enabled"))
def getLayerPass(self):
if not self._layer_pass:
# Currently the RenderPass constructor requires a size > 0
# This should be fixed in RenderPass's constructor.
self._layer_pass = LayerPass.LayerPass(1, 1)
self.getRenderer().addRenderPass(self._layer_pass)
return self._layer_pass
def getActivity(self):
return self._activity
def getCurrentLayer(self):
return self._current_layer_num
def _onSceneChanged(self, node):
self.calculateMaxLayers()
def getMaxLayers(self):
return self._max_layers
busyChanged = Signal()
def isBusy(self):
return self._busy
def setBusy(self, busy):
if busy != self._busy:
self._busy = busy
self.busyChanged.emit()
def resetLayerData(self):
self._current_layer_mesh = None
self._current_layer_jumps = None
## Hackish way to ensure the proxy is already created, which ensures that the layerview.qml is already created
# as this caused some issues.
def getProxy(self, engine, script_engine):
return self._proxy
def beginRendering(self):
scene = self.getController().getScene()
@ -91,7 +66,7 @@ class LayerView(View):
if not self._ghost_shader:
self._ghost_shader = OpenGL.getInstance().createShaderProgram(Resources.getPath(Resources.Shaders, "color.shader"))
self._ghost_shader.setUniformValue("u_color", Color(0, 0, 0, 64))
self._ghost_shader.setUniformValue("u_color", Color(32, 32, 32, 96))
for node in DepthFirstIterator(scene.getRoot()):
# We do not want to render ConvexHullNode as it conflicts with the bottom layers.
@ -101,84 +76,7 @@ class LayerView(View):
if not node.render(renderer):
if node.getMeshData() and node.isVisible():
renderer.queueNode(node,
shader = self._ghost_shader,
type = RenderBatch.RenderType.Transparent )
for node in DepthFirstIterator(scene.getRoot()):
if type(node) is SceneNode:
if node.getMeshData() and node.isVisible():
layer_data = node.callDecoration("getLayerData")
if not layer_data:
continue
# Render all layers below a certain number as line mesh instead of vertices.
if self._current_layer_num - self._solid_layers > -1 and not self._only_show_top_layers:
start = 0
end = 0
element_counts = layer_data.getElementCounts()
for layer, counts in element_counts.items():
if layer + self._solid_layers > self._current_layer_num:
break
end += counts
# This uses glDrawRangeElements internally to only draw a certain range of lines.
renderer.queueNode(node, mesh = layer_data, mode = RenderBatch.RenderMode.Lines, range = (start, end))
if self._current_layer_mesh:
renderer.queueNode(node, mesh = self._current_layer_mesh)
if self._current_layer_jumps:
renderer.queueNode(node, mesh = self._current_layer_jumps)
def setLayer(self, value):
if self._current_layer_num != value:
self._current_layer_num = value
if self._current_layer_num < 0:
self._current_layer_num = 0
if self._current_layer_num > self._max_layers:
self._current_layer_num = self._max_layers
self._startUpdateTopLayers()
self.currentLayerNumChanged.emit()
def calculateMaxLayers(self):
scene = self.getController().getScene()
self._activity = True
self._old_max_layers = self._max_layers
## Recalculate num max layers
new_max_layers = 0
for node in DepthFirstIterator(scene.getRoot()):
layer_data = node.callDecoration("getLayerData")
if not layer_data:
continue
if new_max_layers < len(layer_data.getLayers()):
new_max_layers = len(layer_data.getLayers()) - 1
if new_max_layers > 0 and new_max_layers != self._old_max_layers:
self._max_layers = new_max_layers
# The qt slider has a bit of weird behavior that if the maxvalue needs to be changed first
# if it's the largest value. If we don't do this, we can have a slider block outside of the
# slider.
if new_max_layers > self._current_layer_num:
self.maxLayersChanged.emit()
self.setLayer(int(self._max_layers))
else:
self.setLayer(int(self._max_layers))
self.maxLayersChanged.emit()
self._startUpdateTopLayers()
maxLayersChanged = Signal()
currentLayerNumChanged = Signal()
## Hackish way to ensure the proxy is already created, which ensures that the layerview.qml is already created
# as this caused some issues.
def getProxy(self, engine, script_engine):
return self._proxy
renderer.queueNode(node, transparent = True, shader = self._ghost_shader)
def endRendering(self):
pass
@ -188,22 +86,40 @@ class LayerView(View):
ctrl_is_active = modifiers == Qt.ControlModifier
if event.type == Event.KeyPressEvent and ctrl_is_active:
if event.key == KeyEvent.UpKey:
self.setLayer(self._current_layer_num + 1)
self.getLayerPass().setLayer(self._current_layer_num + 1)
return True
if event.key == KeyEvent.DownKey:
self.setLayer(self._current_layer_num - 1)
self.getLayerPass().setLayer(self._current_layer_num - 1)
return True
if event.type == Event.ViewActivateEvent:
Application.getInstance().globalContainerStackChanged.connect(self._onGlobalStackChanged)
self._onGlobalStackChanged()
if event.type == Event.ViewActivateEvent:
# Make sure the LayerPass is created
self.getLayerPass()
if not self._layerview_composite_shader:
self._layerview_composite_shader = OpenGL.getInstance().createShaderProgram(os.path.join(PluginRegistry.getInstance().getPluginPath("LayerView"), "layerview_composite.shader"))
if not self._composite_pass:
self._composite_pass = self.getRenderer().getRenderPass("composite")
self._old_layer_bindings = self._composite_pass.getLayerBindings()[:] # make a copy so we can restore to it later
self._composite_pass.getLayerBindings().append("layerview")
self._old_composite_shader = self._composite_pass.getCompositeShader()
self._composite_pass.setCompositeShader(self._layerview_composite_shader)
elif event.type == Event.ViewDeactivateEvent:
self._wireprint_warning_message.hide()
Application.getInstance().globalContainerStackChanged.disconnect(self._onGlobalStackChanged)
if self._global_container_stack:
self._global_container_stack.propertyChanged.disconnect(self._onPropertyChanged)
self._composite_pass.setLayerBindings(self._old_layer_bindings)
self._composite_pass.setCompositeShader(self._old_composite_shader)
def _onGlobalStackChanged(self):
if self._global_container_stack:
self._global_container_stack.propertyChanged.disconnect(self._onPropertyChanged)
@ -220,98 +136,3 @@ class LayerView(View):
self._wireprint_warning_message.show()
else:
self._wireprint_warning_message.hide()
def _startUpdateTopLayers(self):
if self._top_layers_job:
self._top_layers_job.finished.disconnect(self._updateCurrentLayerMesh)
self._top_layers_job.cancel()
self.setBusy(True)
self._top_layers_job = _CreateTopLayersJob(self._controller.getScene(), self._current_layer_num, self._solid_layers)
self._top_layers_job.finished.connect(self._updateCurrentLayerMesh)
self._top_layers_job.start()
def _updateCurrentLayerMesh(self, job):
self.setBusy(False)
if not job.getResult():
return
self.resetLayerData() # Reset the layer data only when job is done. Doing it now prevents "blinking" data.
self._current_layer_mesh = job.getResult().get("layers")
self._current_layer_jumps = job.getResult().get("jumps")
self._controller.getScene().sceneChanged.emit(self._controller.getScene().getRoot())
self._top_layers_job = None
def _onPreferencesChanged(self, preference):
if preference != "view/top_layer_count" and preference != "view/only_show_top_layers":
return
self._solid_layers = int(Preferences.getInstance().getValue("view/top_layer_count"))
self._only_show_top_layers = bool(Preferences.getInstance().getValue("view/only_show_top_layers"))
self._startUpdateTopLayers()
class _CreateTopLayersJob(Job):
def __init__(self, scene, layer_number, solid_layers):
super().__init__()
self._scene = scene
self._layer_number = layer_number
self._solid_layers = solid_layers
self._cancel = False
def run(self):
layer_data = None
for node in DepthFirstIterator(self._scene.getRoot()):
layer_data = node.callDecoration("getLayerData")
if layer_data:
break
if self._cancel or not layer_data:
return
layer_mesh = MeshBuilder()
for i in range(self._solid_layers):
layer_number = self._layer_number - i
if layer_number < 0:
continue
try:
layer = layer_data.getLayer(layer_number).createMesh()
except Exception:
Logger.logException("w", "An exception occurred while creating layer mesh.")
return
if not layer or layer.getVertices() is None:
continue
layer_mesh.addIndices(layer_mesh.getVertexCount() + layer.getIndices())
layer_mesh.addVertices(layer.getVertices())
# Scale layer color by a brightness factor based on the current layer number
# This will result in a range of 0.5 - 1.0 to multiply colors by.
brightness = numpy.ones((1, 4), dtype=numpy.float32) * (2.0 - (i / self._solid_layers)) / 2.0
brightness[0, 3] = 1.0
layer_mesh.addColors(layer.getColors() * brightness)
if self._cancel:
return
Job.yieldThread()
if self._cancel:
return
Job.yieldThread()
jump_mesh = layer_data.getLayer(self._layer_number).createJumps()
if not jump_mesh or jump_mesh.getVertices() is None:
jump_mesh = None
self.setResult({"layers": layer_mesh.build(), "jumps": jump_mesh})
def cancel(self):
self._cancel = True
super().cancel()