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metaforce
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Cook meshes with primitive restart indices

This commit is contained in:
Jack Andersen 2018-05-05 10:55:59 -10:00
parent aa84d7c725
commit fda615f47e
2 changed files with 27 additions and 24 deletions
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43
hecl/blender/hecl/hmdl/HMDLMesh.py
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@ -1,6 +1,20 @@
import bpy, bmesh, operator, struct
from mathutils import Vector
# Function to quantize normals to 15-bit precision
def quant_norm(n):
nf = n.copy()
for i in range(3):
nf[i] = int(nf[i] * 16384) / 16384.0
return nf.freeze()
# Function to quantize lightmap UVs to 15-bit precision
def quant_luv(n):
uf = n.copy()
for i in range(2):
uf[i] = int(uf[i] * 32768) / 32768.0
return uf.freeze()
# Class for building unique sets of vertex attributes for VBO generation
class VertPool:
@ -45,7 +59,7 @@ class VertPool:
if pf not in self.pos:
self.pos[pf] = len(self.pos)
if not rna_loops:
nf = v.normal.copy().freeze()
nf = quant_norm(v.normal)
if nf not in self.norm:
self.norm[nf] = len(self.norm)
if dlay:
@ -59,7 +73,7 @@ class VertPool:
material_slots[f.material_index].material['retro_lightmapped']
for l in f.loops:
if rna_loops:
nf = rna_loops[l.index].normal.copy().freeze()
nf = quant_norm(rna_loops[l.index].normal)
if nf not in self.norm:
self.norm[nf] = len(self.norm)
for cl in range(len(clays)):
@ -69,7 +83,7 @@ class VertPool:
start_uvlay = 0
if use_luv and lightmapped:
start_uvlay = 1
uf = l[luvlay].uv.copy().freeze()
uf = quant_luv(l[luvlay].uv)
if uf not in self.luv:
self.luv[uf] = len(self.luv)
for ul in range(start_uvlay, len(ulays)):
@ -128,9 +142,9 @@ class VertPool:
def get_norm_idx(self, loop):
if self.rna_loops:
nf = self.rna_loops[loop.index].normal.copy().freeze()
nf = quant_norm(self.rna_loops[loop.index].normal)
else:
nf = loop.vert.normal.copy().freeze()
nf = quant_norm(loop.vert.normal)
return self.norm[nf]
def get_skin_idx(self, vert):
@ -146,7 +160,7 @@ class VertPool:
def get_uv_idx(self, loop, uidx):
if self.luvlay is not None and uidx == 0:
if self.material_slots[loop.face.material_index].material['retro_lightmapped']:
uf = loop[self.luvlay].uv.copy().freeze()
uf = quant_luv(loop[self.luvlay].uv)
return self.luv[uf]
uf = loop[self.ulays[uidx]].uv.copy().freeze()
return self.uv[uf]
@ -309,36 +323,26 @@ def write_out_surface(writebuf, output_mode, vert_pool, island_faces, mat_idx):
elif output_mode == 'TRISTRIPS':
prev_loop_emit = None
out_count = 0
while len(island_faces):
sel_lists_local = []
restore_out_count = out_count
for start_face in island_faces:
for l in start_face.loops:
out_count = restore_out_count
island_local = list(island_faces)
if out_count & 1:
prev_loop = l.link_loop_prev
loop = prev_loop.link_loop_prev
sel_list = [l, prev_loop, loop]
prev_loop = loop
else:
prev_loop = l.link_loop_next
loop = prev_loop.link_loop_next
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)
loop, prev_loop = strip_next_loop(prev_loop, len(sel_list))
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))
sel_lists_local.append((sel_list, island_local))
max_count = 0
max_sl = None
max_island_faces = None
@ -347,7 +351,6 @@ def write_out_surface(writebuf, output_mode, vert_pool, island_faces, mat_idx):
max_count = len(sl[0])
max_sl = sl[0]
max_island_faces = sl[1]
out_count = sl[2]
island_faces = max_island_faces
if prev_loop_emit:
vert_pool.null_loop_out(writebuf)

2
hecl/extern/boo vendored

@ -1 +1 @@
Subproject commit 088cddfea765a47751e318e2ced31b678b1d406d
Subproject commit 9031ace975330324e204cc9fb54d89daa768d7db