Fix displacement compile

blender/arm/exporter.py

@@ -1166,9 +1166,13 @@ class ArmoryExporter:
 
         # Scale for packed coords
         maxdim = max(bobject.data.arm_aabb[0], max(bobject.data.arm_aabb[1], bobject.data.arm_aabb[2]))
-        o['scale_pos'] = maxdim / 2
+        if maxdim > 2:
+            o['scale_pos'] = maxdim / 2
+        else:
+            o['scale_pos'] = 1.0
         if has_armature: # Allow up to 2x bigger bounds for skinned mesh
             o['scale_pos'] *= 2.0
+        
         scale_pos = o['scale_pos']
         invscale_pos = (1 / scale_pos) * 32767
 

blender/arm/material/cycles.py

@@ -103,7 +103,7 @@ def parse_output(node, _con, _vert, _frag, _geom, _tesc, _tese, _parse_surface,
         else:
             curshader = vert
         out_disp = parse_displacement_input(node.inputs[2])
-        curshader.write('float disp = {0};'.format(out_disp))
+        curshader.write('vec3 disp = {0};'.format(out_disp))
 
 def parse_group(node, socket): # Entering group
     index = socket_index(node, socket)

blender/arm/material/make_depth.py

@@ -47,7 +47,7 @@ def make(context_id, rpasses, shadowmap=False):
     if is_disp:
         if rpdat.arm_rp_displacement == 'Vertex':
             vert.add_uniform('mat3 N', '_normalMatrix')
-            vert.write('vec3 wnormal = normalize(N * nor);')
+            vert.write('vec3 wnormal = normalize(N * vec3(nor.xy, pos.w));')
             cycles.parse(mat_state.nodes, con_depth, vert, frag, geom, tesc, tese, parse_surface=False, parse_opacity=parse_opacity)
             if con_depth.is_elem('tex'):
                 vert.add_out('vec2 texCoord') ## vs only, remove out