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Much more optimal mesh optimizer

This commit is contained in:
Jack Andersen 2015-10-20 15:33:54 -10:00
parent 5d550cd21d
commit 87b86b7553
3 changed files with 56 additions and 151 deletions
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174
hecl/blender/hecl/hmdl/HMDLMesh.py
View File

@ -216,103 +216,15 @@ def recursive_faces_islands(dlay, list_out, rem_list, skin_slot_set, skin_slot_c
next_faces.append(f) next_faces.append(f)
return next_faces return next_faces
def find_opposite_edge(face, boot_edge, boot_edge2, last_edge, last_edge_2): def strip_next_loop(prev_loop, out_count):
if last_edge_2: if out_count & 1:
for e in face.edges: radial_loop = prev_loop.link_loop_radial_next
if e.verts[0] in last_edge_2.verts or e.verts[1] in last_edge_2.verts: loop = radial_loop.link_loop_prev
continue return loop, loop
return e
elif last_edge:
return boot_edge2
else: else:
return boot_edge radial_loop = prev_loop.link_loop_radial_prev
loop = radial_loop.link_loop_next
def recursive_faces_strip(list_out, rem_list, face, boot_edge, boot_edge_2, last_edge, last_edge_2): return loop.link_loop_next, loop
if face not in rem_list:
return None, None, None
list_out.append(face)
rem_list.remove(face)
edge = find_opposite_edge(face, boot_edge, boot_edge_2, last_edge, last_edge_2)
if not edge:
return None, None, None
edge.select = True
for f in edge.link_faces:
if f == face:
continue
return f, edge, last_edge
return None, None, None
def count_contiguous_edges(face):
retval = 0
for e in face.edges:
if e.is_contiguous:
retval += 1
return retval
def find_loop_opposite_from_other_face(face, other_face):
for e in face.edges:
if e in other_face.edges:
edge = e
break
for l in face.loops:
if l.vert in edge.verts:
continue
return l
def stripify_primitive(writebuf, vert_pool, prim_faces, last_loop, next_idx):
if last_loop:
vert_pool.loop_out(writebuf, last_loop)
next_idx += 1
if len(prim_faces) == 1:
loop = prim_faces[0].loops[0]
if last_loop:
vert_pool.loop_out(writebuf, loop)
next_idx += 1
if next_idx & 1:
rev = True
else:
rev = False
for i in range(3):
vert_pool.loop_out(writebuf, loop)
last_loop = loop
next_idx += 1
if rev:
loop = loop.link_loop_prev
else:
loop = loop.link_loop_next
return last_loop, next_idx
loop = find_loop_opposite_from_other_face(prim_faces[0], prim_faces[1])
if last_loop:
vert_pool.loop_out(writebuf, loop)
next_idx += 1
if next_idx & 1:
rev = True
else:
rev = False
for i in range(3):
vert_pool.loop_out(writebuf, loop)
last_loop = loop
next_idx += 1
if rev:
loop = loop.link_loop_prev
else:
loop = loop.link_loop_next
for i in range(1, len(prim_faces)):
if prim_faces[i].index == 688:
print(prim_faces[i], prim_faces[i-1], prim_faces[i-2])
#prim_faces[i].select = True
#prim_faces[i-1].select = True
#prim_faces[i-2].select = True
loop = find_loop_opposite_from_other_face(prim_faces[i], prim_faces[i-1])
vert_pool.loop_out(writebuf, loop)
last_loop = loop
next_idx += 1
return last_loop, next_idx
def write_out_surface(writebuf, vert_pool, island_faces, mat_idx): def write_out_surface(writebuf, vert_pool, island_faces, mat_idx):
@ -350,43 +262,53 @@ def write_out_surface(writebuf, vert_pool, island_faces, mat_idx):
writebuf(struct.pack('I', len(island_faces) * 3)) writebuf(struct.pack('I', len(island_faces) * 3))
# Verts themselves # Verts themselves
last_loop = None prev_loop_emit = None
next_idx = 0 out_count = 0
while len(island_faces): while len(island_faces):
sel_lists_local = [] sel_lists_local = []
restore_out_count = out_count
for start_face in island_faces: for start_face in island_faces:
for e in start_face.edges: for l in start_face.loops:
next_edges = [] out_count = restore_out_count
for f in e.link_faces:
if f == start_face:
continue
for eg in f.edges:
if eg == e:
continue
next_edges.append(eg)
break
if len(next_edges) == 0:
next_edges.append(None)
for e2 in next_edges:
island_local = list(island_faces) island_local = list(island_faces)
sel_list = [] if out_count & 1:
next_face = start_face prev_loop = l.link_loop_prev
last_edge = None loop = prev_loop.link_loop_prev
last_edge_2 = None sel_list = [l, prev_loop, loop]
while next_face is not None: prev_loop = loop
next_face, last_edge, last_edge_2 = recursive_faces_strip(sel_list, island_local, next_face, else:
e, e2, last_edge, last_edge_2) prev_loop = l.link_loop_next
if len(sel_list): loop = prev_loop.link_loop_next
sel_lists_local.append(sel_list) sel_list = [l, prev_loop, loop]
out_count += 3
island_local.remove(start_face)
while True:
if not prev_loop.edge.is_contiguous or prev_loop.edge.tag:
break
loop, prev_loop = strip_next_loop(prev_loop, out_count)
face = loop.face
if face not in island_local:
break
sel_list.append(loop)
island_local.remove(face)
out_count += 1
sel_lists_local.append((sel_list, island_local, out_count))
max_count = 0 max_count = 0
max_sl = None max_sl = None
max_island_faces = None
for sl in sel_lists_local: for sl in sel_lists_local:
if len(sl) > max_count: if len(sl[0]) > max_count:
max_count = len(sl) max_count = len(sl[0])
max_sl = sl max_sl = sl[0]
for f in max_sl: max_island_faces = sl[1]
island_faces.remove(f) out_count = sl[2]
last_loop, next_idx = stripify_primitive(writebuf, vert_pool, max_sl, last_loop, next_idx) island_faces = max_island_faces
if prev_loop_emit:
vert_pool.loop_out(writebuf, prev_loop_emit)
vert_pool.loop_out(writebuf, max_sl[0])
for loop in max_sl:
vert_pool.loop_out(writebuf, loop)
prev_loop_emit = loop
writebuf(struct.pack('B', 0)) writebuf(struct.pack('B', 0))

29
hecl/blender/hecl/hmdl/__init__.py
View File

@ -128,25 +128,10 @@ def cook(writebuf, mesh_obj, max_skin_banks, max_octant_length=None):
bm_master.from_mesh(copy_mesh) bm_master.from_mesh(copy_mesh)
vert_pool = HMDLMesh.VertPool(bm_master, rna_loops) vert_pool = HMDLMesh.VertPool(bm_master, rna_loops)
# Split edges where there are distinctive loops # Tag edges where there are distinctive loops
splittable_edges = [] splittable_edges = []
for e in bm_master.edges: for e in bm_master.edges:
if vert_pool.splitable_edge(e): e.tag = vert_pool.splitable_edge(e)
#splittable_edges.append(e)
e.seam = True
#bmesh.ops.split(bm_master, geom=splittable_edges)
bm_master.to_mesh(copy_mesh)
bpy.context.scene.objects.active = copy_obj
return
if copy_mesh.has_custom_normals:
copy_mesh.calc_normals_split()
rna_loops = copy_mesh.loops
bpy.ops.object.mode_set(mode='EDIT')
bm_master = bmesh.from_edit_mesh(copy_mesh)
vert_pool = HMDLMesh.VertPool(bm_master, rna_loops)
# Sort materials by pass index first # Sort materials by pass index first
sorted_material_idxs = [] sorted_material_idxs = []
@ -262,12 +247,10 @@ def cook(writebuf, mesh_obj, max_skin_banks, max_octant_length=None):
writebuf(struct.pack('B', 0)) writebuf(struct.pack('B', 0))
# Delete copied mesh from scene # Delete copied mesh from scene
#bm_master.free() bm_master.free()
#bpy.context.scene.objects.unlink(copy_obj) bpy.context.scene.objects.unlink(copy_obj)
#bpy.data.objects.remove(copy_obj) bpy.data.objects.remove(copy_obj)
#bpy.data.meshes.remove(copy_mesh) bpy.data.meshes.remove(copy_mesh)
bpy.context.scene.objects.active = copy_obj
def draw(layout, context): def draw(layout, context):

2
hecl/extern/Athena vendored

@ -1 +1 @@
Subproject commit 1601abcc7a4261ca0d6822729aec683fb39f2c9e Subproject commit e8616914801e274155bfe8d9fe3353448f0ec219