Show models outside of BP clearly in layerview.

CURA-7586

plugins/SimulationView/SimulationPass.py

@@ -32,6 +32,7 @@ class SimulationPass(RenderPass):
         self._current_shader = None # This shader will be the shadow or the normal depending if the user wants to see the paths or the layers
         self._tool_handle_shader = None
         self._nozzle_shader = None
+        self._disabled_shader = None
         self._old_current_layer = 0
         self._old_current_path = 0
         self._switching_layers = True # It tracks when the user is moving the layers' slider
@@ -90,9 +91,17 @@ class SimulationPass(RenderPass):
             self._nozzle_shader = OpenGL.getInstance().createShaderProgram(Resources.getPath(Resources.Shaders, "color.shader"))
             self._nozzle_shader.setUniformValue("u_color", Color(*Application.getInstance().getTheme().getColor("layerview_nozzle").getRgb()))
 
+        if not self._disabled_shader:
+            self._disabled_shader = OpenGL.getInstance().createShaderProgram(Resources.getPath(Resources.Shaders, "striped.shader"))
+            self._disabled_shader.setUniformValue("u_diffuseColor1", Color(*Application.getInstance().getTheme().getColor("model_unslicable").getRgb()))
+            self._disabled_shader.setUniformValue("u_diffuseColor2", Color(*Application.getInstance().getTheme().getColor("model_unslicable_alt").getRgb()))
+            self._disabled_shader.setUniformValue("u_width", 50.0)
+            self._disabled_shader.setUniformValue("u_opacity", 0.6)
+
         self.bind()
 
         tool_handle_batch = RenderBatch(self._tool_handle_shader, type = RenderBatch.RenderType.Overlay, backface_cull = True)
+        disabled_batch = RenderBatch(self._disabled_shader)
         head_position = None  # Indicates the current position of the print head
         nozzle_node = None
 
@@ -105,6 +114,9 @@ class SimulationPass(RenderPass):
                 nozzle_node = node
                 nozzle_node.setVisible(False)
 
+            elif getattr(node, "_outside_buildarea", False) and isinstance(node, SceneNode) and node.getMeshData() and node.isVisible():
+                disabled_batch.addItem(node.getWorldTransformation(copy=False), node.getMeshData())
+
             elif isinstance(node, SceneNode) and (node.getMeshData() or node.callDecoration("isBlockSlicing")) and node.isVisible():
                 layer_data = node.callDecoration("getLayerData")
                 if not layer_data:
@@ -183,6 +195,9 @@ class SimulationPass(RenderPass):
                 nozzle_batch.addItem(nozzle_node.getWorldTransformation(), mesh = nozzle_node.getMeshData())
                 nozzle_batch.render(self._scene.getActiveCamera())
 
+        if len(disabled_batch.items) > 0:
+            disabled_batch.render(self._scene.getActiveCamera())
+
         # Render toolhandles on top of the layerview
         if len(tool_handle_batch.items) > 0:
             tool_handle_batch.render(self._scene.getActiveCamera())

resources/shaders/striped.shader

@@ -29,6 +29,7 @@ fragment =
     uniform mediump vec4 u_diffuseColor1;
     uniform mediump vec4 u_diffuseColor2;
     uniform mediump vec4 u_specularColor;
+    uniform mediump float u_opacity;
     uniform highp vec3 u_lightPosition;
     uniform mediump float u_shininess;
     uniform highp vec3 u_viewPosition;
@@ -65,7 +66,7 @@ fragment =
         finalColor += pow(NdotR, u_shininess) * u_specularColor;
 
         gl_FragColor = finalColor;
-        gl_FragColor.a = 1.0;
+        gl_FragColor.a = u_opacity;
     }
 
 vertex41core =
@@ -100,6 +101,7 @@ fragment41core =
     uniform mediump vec4 u_diffuseColor1;
     uniform mediump vec4 u_diffuseColor2;
     uniform mediump vec4 u_specularColor;
+    uniform mediump float u_opacity;
     uniform highp vec3 u_lightPosition;
     uniform mediump float u_shininess;
     uniform highp vec3 u_viewPosition;
@@ -138,7 +140,7 @@ fragment41core =
         finalColor += pow(NdotR, u_shininess) * u_specularColor;
 
         frag_color = finalColor;
-        frag_color.a = 1.0;
+        frag_color.a = u_opacity;
     }
 
 [defaults]
@@ -146,6 +148,7 @@ u_ambientColor = [0.3, 0.3, 0.3, 1.0]
 u_diffuseColor1 = [1.0, 0.5, 0.5, 1.0]
 u_diffuseColor2 = [0.5, 0.5, 0.5, 1.0]
 u_specularColor = [0.4, 0.4, 0.4, 1.0]
+u_opacity = 1.0
 u_shininess = 20.0
 u_width = 5.0
 u_vertical_stripes = 0