maxmustermann/armory
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Merge pull request #1401 from zaethan/master

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change the exporter to use blenders triangle loops
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Lubos Lenco 2019-09-26 11:15:47 +02:00 committed by GitHub
parent 2229ff8103 25fe284f75
commit 51cf446a43
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 14 additions and 14 deletions
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28
blender/arm/exporter.py
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@ -951,7 +951,7 @@ class ArmoryExporter:
def export_mesh_data(self, exportMesh, bobject, o, has_armature=False):
exportMesh.calc_normals_split()
# exportMesh.calc_loop_triangles()
exportMesh.calc_loop_triangles()
loops = exportMesh.loops
num_verts = len(loops)
@ -1062,7 +1062,7 @@ class ArmoryExporter:
cdata[i3 ] = col[0]
cdata[i3 + 1] = col[1]
cdata[i3 + 2] = col[2]
mats = exportMesh.materials
poly_map = []
for i in range(max(len(mats), 1)):
@ -1071,6 +1071,14 @@ class ArmoryExporter:
poly_map[poly.material_index].append(poly)
o['index_arrays'] = []
# map polygon indices to triangle loops
tri_loops = {}
for loop in exportMesh.loop_triangles:
if loop.polygon_index not in tri_loops:
tri_loops[loop.polygon_index] = []
tri_loops[loop.polygon_index].append(loop)
for index, polys in enumerate(poly_map):
tris = 0
for poly in polys:
@ -1081,19 +1089,11 @@ class ArmoryExporter:
i = 0
for poly in polys:
first = poly.loop_start
total = poly.loop_total
if total == 3:
prim[i ] = loops[first ].index
prim[i + 1] = loops[first + 1].index
prim[i + 2] = loops[first + 2].index
for loop in tri_loops[poly.index]:
prim[i ] = loops[loop.loops[0]].index
prim[i + 1] = loops[loop.loops[1]].index
prim[i + 2] = loops[loop.loops[2]].index
i += 3
else:
for j in range(total - 2):
prim[i ] = loops[first + total - 1].index
prim[i + 1] = loops[first + j ].index
prim[i + 2] = loops[first + j + 1 ].index
i += 3
ia = {}
ia['values'] = prim