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surface_gatherer.py
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surface_gatherer.py
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from enum import Enum
from entity import EntitySpawnType
class Surface:
def __init__(self, vertices=None, indices=None):
if vertices is None:
self.vertices = []
else:
self.vertices = vertices
if indices is None:
self.indices = []
else:
self.indices = indices
class SurfaceSplitType(Enum):
NONE = 0
ENTITY = 1
BRUSH = 2
class SurfaceGatherer:
def __init__(self, map_data):
self.map_data = map_data
self.split_type = SurfaceSplitType.NONE
self.entity_filter_idx = -1
self.texture_filter_idx = -1
self.brush_filter_texture_idx = -1
self.face_filter_texture_idx = -1
self.filter_worldspawn_layers = True
self.out_surfaces = []
def set_split_type(self, split_type):
self.split_type = split_type
def set_entity_index_filter(self, entity_idx):
self.entity_filter_idx = entity_idx
def set_texture_filter(self, texture_name):
self.texture_filter_idx = self.map_data.find_texture(texture_name)
def set_brush_filter_texture(self, texture_name):
self.brush_filter_texture_idx = self.map_data.find_texture(texture_name)
def set_face_filter_texture(self, texture_name):
self.face_filter_texture_idx = self.map_data.find_texture(texture_name)
def set_worldspawn_layer_filter(self, world_spawn_filter):
self.filter_worldspawn_layers = world_spawn_filter
def run(self):
self.reset_state()
index_offset = 0
surf_inst = None
if self.split_type == SurfaceSplitType.NONE:
index_offset = 0
surf_inst = self.add_surface()
for entity_idx, entity_inst, entity_geo_inst in enumerate(zip(self.map_data.get_entities(), self.map_data.entity_geo)):
if self.filter_entity(entity_idx):
continue
if self.split_type == SurfaceSplitType.ENTITY:
if entity_inst.spawn_type == EntitySpawnType.MERGE_WORLDSPAWN:
self.add_surface()
surf_inst = self.out_surfaces[0]
index_offset = len(surf_inst.vertices)
else:
surf_inst = self.add_surface()
index_offset = len(surf_inst.vertices)
for brush_idx, brush in enumerate(entity_inst.brushes):
brush_geo = entity_geo_inst.brushes[brush_idx]
if self.filter_brush(entity_idx, brush_idx):
continue
if self.split_type == SurfaceSplitType.BRUSH:
index_offset = 0
surf_inst = self.add_surface()
for face_idx, face in enumerate(brush.faces):
face_geo = brush_geo.faces[face_idx]
if self.filter_face(entity_idx, brush_idx, face_idx):
continue
for face_vertex in face_geo.vertices:
if entity_inst.spawn_type == EntitySpawnType.ENTITY or entity_inst.spawn_type == EntitySpawnType.GROUP:
face_vertex = face_vertex.vertex - entity_inst.center
surf_inst.vertices.appen(face_vertex)
for i in range(0, (len(face_geo.vertices) - 2) * 3):
surf_inst.indices.append(face_geo.indices[i] + index_offset)
index_offset += len(face_geo.vertices)
def fetch(self):
return self.out_surfaces
def filter_entity(self, entity_idx):
entity = self.map_data.get_entities()[entity_idx] # wtf?
if self.entity_filter_idx != -1 and self.entity_filter_idx != entity_idx:
return True
return False
def filter_brush(self, entity_idx, brush_idx):
brush = self.map_data.get_entities()[entity_idx].brushes[brush_idx]
if self.brush_filter_texture_idx != -1:
fully_textured = True
for face in brush.faces:
if face.texture_idx != self.brush_filter_texture_idx:
fully_textured = False
break
if fully_textured:
return True
for face in brush.faces:
for layer in self.map_data.worldspawn_layers:
if face.texture_idx == layer.texture_idx:
return self.filter_worldspawn_layers
return False
def filter_face(self, entity_idx, brush_idx, face_idx):
entities = self.map_data.get_entities()
face = entities[entity_idx].brushes[brush_idx].faces[face_idx]
face_geo = self.map_data.entity_geo[entity_idx].brushes[brush_idx].faces[face_idx]
if len(face_geo.vertices) < 3:
return True
if self.face_filter_texture_idx != -1 and face.texture_idx == self.face_filter_texture_idx:
return True
if self.texture_filter_idx != -1 and face.texture_idx != self.texture_filter_idx:
return True
return False
def add_surface(self):
surface = Surface()
self.out_surfaces.append(surface)
return surface
def reset_state(self):
self.out_surfaces.clear()
def reset_params(self):
self.split_type = SurfaceSplitType.NONE
self.entity_filter_idx = -1
self.texture_filter_idx = -1
self.brush_filter_idx = -1
self.face_filter_texture_idx = -1
self.filter_worldspawn_layers = True