[io_qfmap] File off a pile of bitrot

While much is broken, especially textures, e4m8.map successfully imports
into blender 4.2-ish, and even the entity relation lines seem to work
(which surprised me as those were the first sign of trouble).

tools/io_qfmap/entity.py

@@ -19,7 +19,7 @@
 
 # <pep8 compliant>
 
-import bpy, bgl, gpu
+import bpy, gpu
 from gpu_extras.batch import batch_for_shader
 from bpy.props import BoolProperty, FloatProperty, StringProperty, EnumProperty
 from bpy.props import BoolVectorProperty, CollectionProperty, PointerProperty
@@ -86,11 +86,11 @@ def draw_callback(self, context):
     #FIXME horribly inefficient
     qfmap = context.scene.qfmap
     content = build_batch(qfmap)
-    shader = gpu.shader.from_builtin('3D_SMOOTH_COLOR')
+    shader = gpu.shader.from_builtin('SMOOTH_COLOR')
     batch = batch_for_shader(shader, 'LINES', content)
-    bgl.glLineWidth(3)
+    #bgl.glLineWidth(3)
     batch.draw(shader)
-    bgl.glLineWidth(1)
+    #bgl.glLineWidth(1)
 
 class VIEW3D_PT_QFEntityRelations(bpy.types.Panel):
     bl_space_type = 'VIEW_3D'

tools/io_qfmap/import_map.py

@@ -54,25 +54,45 @@ def load_image(tx):
             p[l + 2] = c[2] / 255.0
             p[l + 3] = 1.0
     img.pixels[:] = p[:]
-    img.pack(True)
+    img.pack()
     return img
 
 def load_material(tx):
     if tx.name in bpy.data.materials:
         return bpy.data.materials[tx.name]
     mat = bpy.data.materials.new(tx.name)
+    mat.blend_method = 'OPAQUE'
     mat.diffuse_color = (1, 1, 1, 1)
+    mat.metallic = 1
+    mat.roughness = 1
     mat.specular_intensity = 0
+    mat.use_nodes = True
     if tx.image:
-        tex = bpy.data.textures.new(tx.name, 'IMAGE')
-        tex.extension = 'REPEAT'
-        tex.use_preview_alpha = True
-        tex.image = tx.image
-        mat.texture_slots.add()
-        ts = mat.texture_slots[0]
-        ts.texture = tex
-        ts.use_map_alpha = True
-        ts.texture_coords = 'UV'
+        emissionNode = mat.node_tree.nodes.new("ShaderNodeEmission")
+        shaderOut = mat.node_tree.nodes["Material Output"]
+        mat.node_tree.nodes.remove(mat.node_tree.nodes["Principled BSDF"])
+
+        tex_node = mat.node_tree.nodes.new("ShaderNodeTexImage")
+        tex_node.image = tx.image
+        tex_node.interpolation = "Closest"
+
+        emissionNode.location = (0, 0)
+        shaderOut.location = (200, 0)
+        tex_node.location = (-300, 0)
+
+        mat.node_tree.links.new(tex_node.outputs[0], emissionNode.inputs[0])
+        mat.node_tree.links.new(emissionNode.outputs[0], shaderOut.inputs[0])
+
+        #FIXME uvs etc
+        #tex = bpy.data.textures.new(tx.name, 'IMAGE')
+        #tex.extension = 'REPEAT'
+        #tex.use_preview_alpha = True
+        #tex.image = tx.image
+        #ts = mat.texture_paint_slots.new()
+        #ts = mat.texture_paint_slots[0]
+        #ts.texture = tex
+        #ts.use_map_alpha = True
+        #ts.texture_coords = 'UV'
     return mat
 
 def load_textures(texdefs, wads):
@@ -114,13 +134,14 @@ def process_entity(ent, wads):
     name = classname
     if "classname" in ent.d and ent.d["classname"][:5] == "light":
         light = bpy.data.lights.new("light", 'POINT')
+        light.use_custom_distance = True
         if "light" in ent.d:
-            light.distance = float(ent.d["light"])
+            light.cutoff_distance = float(ent.d["light"])
         elif "_light" in ent.d:
-            light.distance = float(ent.d["_light"])
+            light.cutoff_distance = float(ent.d["_light"])
         else:
-            light.distance = 300.0
-        light.falloff_type = 'CUSTOM_CURVE'
+            light.cutoff_distance = 300.0
+        #light.falloff_type = 'CUSTOM_CURVE'
         obj = bpy.data.objects.new(name, light)
     elif ent.b:
         verts = []

tools/io_qfmap/map.py

@@ -123,6 +123,8 @@ def clip_plane(plane, clip_planes):
     poly = [o + s + t, o + s - t, o - s - t, o - s + t]     #CW
     for p in clip_planes:
         poly = clip_poly(poly, p, True)
+        if not poly:
+            break
     return poly
 
 EPSILON = 0.5**5    # 1/32 plenty for quake maps
@@ -135,6 +137,9 @@ def convert_planes(planes):
     faces = []
     for i in range(len(planes)):
         poly = clip_plane(planes[i], planes[:i] + planes[i + 1:])
+        if not poly:
+            # the plane got clipped away
+            continue
         face = []
         for v in poly:
             v = Vector((rnd(v.x), rnd(v.y), rnd(v.z)))