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vertex position

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This commit is contained in:
Benjamin Collins 2020-08-19 21:06:41 +09:00
parent 63299d123b
commit 76c91020b1
4 changed files with 195 additions and 63 deletions
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18
NinjaBone.py
View File

@ -49,24 +49,24 @@ class NinjaBone: # {
for j in range(4):
t = 0.0
for k in range(4):
t = t + (a[i][k] * b[k][j])
t = t + (b[i][k] * a[k][j])
tmp[i][j] = t
return tmp
def multiplyLocal(self, factor):
a = self.worldMatrix
b = factor
tmp = self.multiply(a, b)
self.worldMatrix = tmp
return None
def multiplyWorld(self, factor):
a = self.localMatrix
b = factor
tmp = self.multiply(a, b)
self.localMatrix = tmp
return None
def multiplyWorld(self, factor):
a = self.worldMatrix
b = factor
tmp = self.multiply(a, b)
self.worldMatrix = tmp
return None
def setName(self, num):
self.save()
self.id = num
@ -163,4 +163,4 @@ class NinjaBone: # {
y = res[1] / res[3]
z = res[2] / res[3]
vertex.setPosition(x, y, z)
return None
return vertex

96
NinjaModel.py
View File

@ -32,6 +32,7 @@ from NinjaMaterial import NinjaMaterial
from NinjaVertex import NinjaVertex
from NinjaFace import NinjaFace
from NinjaBone import NinjaBone
from matrix_44 import Mat4
class NinjaModel: # {
@ -72,32 +73,27 @@ class NinjaModel: # {
return None
def parseModel(self):
print("Execute parse")
while self.file.tell() < self.length:
bytes = self.file.read(4)
if(bytes == b'NJTL') :
print('Found Ninja Texture List')
bytes = self.file.read(4)
len = struct.unpack('I', bytes)[0]
pos = self.file.tell() + len
self.readNjtl()
self.file.seek(pos, 0)
elif (bytes == b'NJCM') :
print('Found Ninja Chunk Model')
bytes = self.file.read(4)
len = struct.unpack('I', bytes)[0]
pos = self.file.tell() + len
self.pof = self.file.tell()
self.readNjcm(None)
self.readNjcm(None, None)
self.file.seek(pos, 0)
elif (bytes == b'NMDM') :
print('Found Ninja Direct Motion')
self.file.close()
print("End Parse")
return None
def readNjtl(self):
@ -122,52 +118,67 @@ class NinjaModel: # {
name += ch.decode()
return None
def readNjcm(self, parentBone):
def readNjcm(self, parentBone, ptx):
bytes = self.file.read(52)
b = struct.unpack('IIfffiiifffII', bytes)
flags = b[0]
model_ofs = b[1]
c = 2 * 3.141592 / 0xFFFF;
pos = ( b[2], b[3], b[4] )
rot = ( b[5], b[6], b[7] )
rot = ( b[5] * c, b[6] * c, b[7] *c)
scl = ( b[8], b[9], b[10] )
child_ofs = b[11]
sibling_ofs = b[12]
self.bone = NinjaBone()
if ( (flags & 0x04) == 0):
self.bone.setScale(scl)
if ( (flags & 0x02) == 0):
self.bone.setRotation(rot, flags & 0x20)
if ( (flags & 0x01) == 0):
self.bone.setPosition(pos)
num = len(self.bones)
self.bone.setName(num)
self.bones.append(self.bone)
print()
print(self.bone.name)
print("Flags: %d" % flags);
print(pos)
mtx = Mat4()
if ( (flags & 0x04) == 0):
mtx.scale(scl)
self.bone.setScale(scl)
if ( (flags & 0x02) == 0):
mtx.rotate(rot)
self.bone.setRotation(rot, flags & 0x20)
if ( (flags & 0x01) == 0):
mtx.translate(pos)
self.bone.setPosition(pos)
if ptx is not None:
mtx.multiply(ptx.getMatrix())
self.mtx = mtx
if parentBone:
parentBone.add(self.bone)
if model_ofs:
print("Reading model for Bone: %s" % self.bone.name)
self.file.seek(model_ofs + self.pof, 0)
self.readModel()
if child_ofs:
self.file.seek(child_ofs + self.pof, 0)
self.readNjcm(self.bone)
self.readNjcm(self.bone, mtx)
if sibling_ofs:
self.file.seek(sibling_ofs + self.pof, 0)
self.readNjcm(parentBone)
self.readNjcm(parentBone, ptx)
return None
def readModel(self):
@ -180,9 +191,6 @@ class NinjaModel: # {
center = (m[2], m[3], m[4])
radius = m[5]
#if self.strip_count > 0:
# return None
if vertex_ofs:
self.file.seek(vertex_ofs + self.pof, 0)
self.readVertexList()
@ -191,15 +199,10 @@ class NinjaModel: # {
self.file.seek(chunk_ofs + self.pof, 0)
self.readChunkList()
print(self.vertex_list)
print(self.index_lookup)
return None
def readVertexList(self):
print("Reading vertex list")
bytes = self.file.read(8)
c = struct.unpack('BBHHH', bytes)
chunk_head = c[0]
@ -211,22 +214,26 @@ class NinjaModel: # {
if chunk_head != 41:
print("ERROR!!! NEW VERTEX TYPE!!!!")
print("Chunk Head: %d" % chunk_head)
print("Chunk Flag: %d" % chunk_flag)
print("Vertex Ofs: %d" % vertex_ofs)
print("Vertex Count: %d" % vertex_count)
for i in range(vertex_count):
bytes = self.file.read(24)
v = struct.unpack('ffffff', bytes)
pos = [ v[0], v[1], v[2] ]
pos = self.mtx.apply(pos)
vertex = NinjaVertex()
vertex.setPosition( v[0], v[1], v[2] )
vertex.setPosition( pos[0], pos[1], pos[2] )
vertex.setNormal( v[3], v[4], v[5] )
vertex.setSkinWeight(0, self.bone.id, 1.0)
self.bone.apply(vertex)
#print("vertex in: %s" % vertex)
#vertex = self.bone.apply(vertex)
#print("vertex out: %s" % vertex)
while len(self.index_lookup) < vertex_ofs + 1:
self.index_lookup.append(None)
self.index_lookup[vertex_ofs] = len(self.vertex_list)
vertex_ofs += 1
self.vertex_list.append(vertex)
@ -260,11 +267,8 @@ class NinjaModel: # {
if chunk_head == 255:
break
elif chunk_head == 0:
print("Null Chunk")
continue
elif chunk_head >= 1 and chunk_head <= 5:
print("Tiny Chunk Found!!!")
if chunk_head == 1:
print("Blend Alpha Adjust!!")
elif chunk_head == 2:
@ -275,9 +279,7 @@ class NinjaModel: # {
print("Save offset!!!")
elif chunk_head == 5:
print("Jumpt to offset!!!")
elif chunk_head >= 17 and chunk_head <= 23:
print("Chunk: Material")
bytes = self.file.read(2)
short_len = struct.unpack('H', bytes)
self.material = NinjaMaterial()
@ -311,7 +313,6 @@ class NinjaModel: # {
coef = c[3] / 255.0
elif chunk_head >= 8 and chunk_head <= 9:
print("Chunk: Tiny")
bytes = self.file.read(2)
chunk_body = struct.unpack('H', bytes)[0]
mip_depth = chunk_flag & 0x07
@ -325,7 +326,6 @@ class NinjaModel: # {
self.material = self.material.clone()
self.material.setTexIndex(tex_id)
elif chunk_head >= 64 and chunk_head <= 66:
print("Chunk Strip!!!")
bytes = self.file.read(4)
h = struct.unpack('HH', bytes)
@ -354,14 +354,11 @@ class NinjaModel: # {
strip_count = chunk_body & 0x3fff;
user_offset = chunk_body >> 14
print("Strip count: %d" % strip_count)
for i in range (strip_count): # {
print("Strip Start: 0x%08x" % self.file.tell())
bytes = self.file.read(2)
strip_len = struct.unpack('h', bytes)[0]
print("Strip Count: %d" % strip_len)
clockwise = strip_len < 0
strip_len = abs(strip_len)
strip = []
@ -398,8 +395,6 @@ class NinjaModel: # {
# }
print(indices)
for k in range(len(strip) - 2): #{
if ((clockwise and not (k % 2)) or ( not clockwise and k % 2)):
@ -415,8 +410,6 @@ class NinjaModel: # {
bi = b['index']
ci = c['index']
print("Face: %d %d %d" % (ai, bi, ci))
va = self.vertex_list[a['index']]
vb = self.vertex_list[a['index']]
vc = self.vertex_list[a['index']]
@ -427,13 +420,11 @@ class NinjaModel: # {
face.setNormals(va.norm, vb.norm, vc.norm)
face.setDiffuseUv(a['uv'], b['uv'], c['uv'])
self.face_list.append(face)
print(face)
# }
# }
self.strip_count = self.strip_count + 1
print("Strip End: 0x%08x" % self.file.tell())
else:
print("Unknown Chunk Type %d" % chunk_head)
print("Unknown Chunk Flag %d" % chunk_flag)
@ -444,7 +435,6 @@ class NinjaModel: # {
return None
def export(self):
print("EXPORTING DMF!!!")
pre, ext = os.path.splitext(self.model_name)
pre = pre.replace('/', '_')
f = open('output/' + pre + '.DMF', 'wb')

3
__init__.py
View File

@ -31,9 +31,10 @@ nj = NinjaModel(model_file, texture_file)
nj.parse()
nj.export()
"""
model_file = 'MISC/BUTTON01.NJ'
texture_file = 'MISC/BUTTON01.PVR'
nj = NinjaModel(model_file, texture_file)
nj.parse()
nj.export()
"""

141
matrix_44.py Normal file
View File

@ -0,0 +1,141 @@
#==============================================================
"""
Mat4 - Transformation matrix interface library
Copyright Benjamin Collins 2016,2018
Permission is hereby granted, free of charge, to any person obtaining a copy of this
software and associated documentation files (the "Software"), to deal in the Software
without restriction, including without limitation the rights to use, copy, modify, merge,
publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or
substantial portions of the Software.
THE SOFTWARE IS PROVIDED *AS IS*, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
"""
#==============================================================
import math
class Mat4:
#constructor
def __init__(self):
self.mtx = self.identity()
# return matrix
def getMatrix(self):
return self.mtx
# create identity
def identity(self):
return [
[1, 0, 0, 0],
[0, 1, 0, 0],
[0, 0, 1, 0],
[0, 0, 0, 1]
]
# mutliply by 4x4 matrix
def multiply(self, factor):
tmp = self.identity()
for i in range(4):
for j in range(4):
t = 0.0
for k in range(4):
t = t + (self.mtx[i][k] * factor[k][j])
tmp[i][j] = t
self.mtx = tmp
# apply matrix to vec3
def apply(self, vec3):
vec3.append(1)
res = [0,0,0,0]
for i in range(4):
t = 0.0
for j in range(4):
t = t + (vec3[j] * self.mtx[j][i])
res[i] = t
x = res[0] / res[3];
y = res[1] / res[3];
z = res[2] / res[3];
return [x, y, z]
# scale by vec3
def scale(self, vec3):
tmp = self.identity()
# x
tmp[0][0] = vec3[0]
# y
tmp[1][1] = vec3[1]
# z
tmp[2][2] = vec3[2]
self.multiply(tmp)
# translate by vec3
def translate(self, vec3):
tmp = self.identity()
# x
tmp[3][0] = vec3[0]
# y
tmp[3][1] = vec3[1]
# z
tmp[3][2] = vec3[2]
self.multiply(tmp)
# rotate by vec3
def rotate(self, vec3, zxy_order = False):
if zxy_order:
z = vec3[0]
x = vec3[1]
y = vec3[2]
else:
x = vec3[0]
y = vec3[1]
z = vec3[2]
# rotate x-axis
tmp = self.identity()
c = math.cos(x)
s = math.sin(x)
tmp[1][1] = c;
tmp[1][2] = s;
tmp[2][1] = -s;
tmp[2][2] = c;
self.multiply(tmp)
# rotate y-axis
tmp = self.identity()
c = math.cos(y)
s = math.sin(y)
tmp[0][0] = c;
tmp[0][2] = -s;
tmp[2][0] = s;
tmp[2][2] = c;
self.multiply(tmp)
# rotate z-axis
tmp = self.identity()
c = math.cos(z)
s = math.sin(z)
tmp[0][0] = c;
tmp[0][1] = s;
tmp[1][0] = -s;
tmp[1][1] = c;
self.multiply(tmp)
#==============================================================
"""
Program End
"""
#==============================================================