2 # =============================================================================
4 # Copyright . . . -----, ,----- ,---. .---.
5 # 2021-2022 |\ /| | / | | | | /|
6 # | \ / | +-- / +----- +---' | / |
7 # | \ / | | / | | \ | / |
8 # | \/ | | / | | \ | / |
9 # ' ' '--' [] '----- '----- ' ' '---' SOFTWARE
11 # =============================================================================
13 # Python exporter for Blender, compiles .mdl format for Skate Rift.
15 # Its really slow, sorry, I don't know how to speed it up.
16 # Also not sure why you need to put # before {} in code blocks, there is errors
20 import bpy
, math
, gpu
, os
23 from mathutils
import *
24 from gpu_extras
.batch
import batch_for_shader
27 "name":"Skate Rift model compiler",
28 "author": "Harry Godden (hgn)",
35 "category":"Import/Export",
38 class mdl_vert(Structure
): # 48 bytes. Quite large. Could compress
39 #{ # the normals and uvs to i16s. Not an
40 _pack_
= 1 # real issue, yet.
41 _fields_
= [("co",c_float
*3),
45 ("weights",c_uint16
*4),
49 class mdl_submesh(Structure
):
52 _fields_
= [("indice_start",c_uint32
),
53 ("indice_count",c_uint32
),
54 ("vertex_start",c_uint32
),
55 ("vertex_count",c_uint32
),
56 ("bbx",(c_float
*3)*2),
57 ("material_id",c_uint32
)] # index into the material array
60 class mdl_texture(Structure
):
63 _fields_
= [("pstr_name",c_uint32
),
64 ("pack_offset",c_uint32
),
65 ("pack_length",c_uint32
)]
68 class mdl_material(Structure
):
71 _fields_
= [("pstr_name",c_uint32
),
74 ("surface_prop",c_uint32
),
76 ("colour1",c_float
*4),
77 ("tex_diffuse",c_uint32
),
78 ("tex_decal",c_uint32
),
79 ("tex_normal",c_uint32
)]
82 class mdl_node(Structure
):
85 _fields_
= [("co",c_float
*3),
88 ("sub_uid",c_uint32
), # dont use
89 ("submesh_start",c_uint32
),
90 ("submesh_count",c_uint32
),
91 ("classtype",c_uint32
),
94 ("pstr_name",c_uint32
)]
97 class mdl_header(Structure
):
100 _fields_
= [("identifier",c_uint32
),
101 ("version",c_uint32
),
102 ("file_length",c_uint32
),
105 ("node_count",c_uint32
),
106 ("node_offset",c_uint32
),
108 ("submesh_count",c_uint32
),
109 ("submesh_offset",c_uint32
),
111 ("material_count",c_uint32
),
112 ("material_offset",c_uint32
),
114 ("texture_count",c_uint32
),
115 ("texture_offset",c_uint32
),
117 ("anim_count",c_uint32
),
118 ("anim_offset",c_uint32
),
120 ("entdata_size",c_uint32
),
121 ("entdata_offset",c_uint32
),
123 ("strings_size",c_uint32
),
124 ("strings_offset",c_uint32
),
126 ("keyframe_count",c_uint32
),
127 ("keyframe_offset",c_uint32
),
129 ("vertex_count",c_uint32
),
130 ("vertex_offset",c_uint32
),
132 ("indice_count",c_uint32
),
133 ("indice_offset",c_uint32
),
135 ("pack_size",c_uint32
),
136 ("pack_offset",c_uint32
)]
139 class mdl_animation(Structure
):
142 _fields_
= [("pstr_name",c_uint32
),
148 class mdl_keyframe(Structure
):
151 _fields_
= [("co",c_float
*3),
156 # ---------------------------------------------------------------------------- #
158 # Entity definitions #
160 # ---------------------------------------------------------------------------- #
162 # ctypes _fields_ defines the data which is filled in by:
163 # def encode_obj( _, node, node_def ):
165 # gizmos get drawn into the viewport via:
167 # def draw_scene_helpers( obj ):
169 # editor enterface, simiraliy:
171 # def editor_interface( layout, obj ):
176 # Purpose: A rift. must target another gate, the target gate can not have more
177 # than one target nodes of its own.
179 class classtype_gate(Structure
):
182 _fields_
= [("target",c_uint32
),
185 def encode_obj(_
, node
,node_def
):
189 obj
= node_def
['obj']
191 if obj
.cv_data
.target
!= None:
192 _
.target
= obj
.cv_data
.target
.cv_data
.uid
194 if obj
.type == 'MESH':
196 _
.dims
[0] = obj
.data
.cv_data
.v0
[0]
197 _
.dims
[1] = obj
.data
.cv_data
.v0
[1]
198 _
.dims
[2] = obj
.data
.cv_data
.v0
[2]
202 _
.dims
[0] = obj
.cv_data
.v0
[0]
203 _
.dims
[1] = obj
.cv_data
.v0
[1]
204 _
.dims
[2] = obj
.cv_data
.v0
[2]
209 def draw_scene_helpers( obj
):
211 global cv_view_verts
, cv_view_colours
213 if obj
.type == 'MESH':
214 dims
= obj
.data
.cv_data
.v0
216 dims
= obj
.cv_data
.v0
219 c
= Vector((0,0,dims
[2]))
221 vs
[0] = obj
.matrix_world
@ Vector((-dims
[0],0.0,-dims
[1]+dims
[2]))
222 vs
[1] = obj
.matrix_world
@ Vector((-dims
[0],0.0, dims
[1]+dims
[2]))
223 vs
[2] = obj
.matrix_world
@ Vector(( dims
[0],0.0, dims
[1]+dims
[2]))
224 vs
[3] = obj
.matrix_world
@ Vector(( dims
[0],0.0,-dims
[1]+dims
[2]))
225 vs
[4] = obj
.matrix_world
@ (c
+Vector((-1,0,-2)))
226 vs
[5] = obj
.matrix_world
@ (c
+Vector((-1,0, 2)))
227 vs
[6] = obj
.matrix_world
@ (c
+Vector(( 1,0, 2)))
228 vs
[7] = obj
.matrix_world
@ (c
+Vector((-1,0, 0)))
229 vs
[8] = obj
.matrix_world
@ (c
+Vector(( 1,0, 0)))
231 indices
= [(0,1),(1,2),(2,3),(3,0),(4,5),(5,6),(7,8)]
237 cv_view_verts
+= [(v0
[0],v0
[1],v0
[2])]
238 cv_view_verts
+= [(v1
[0],v1
[1],v1
[2])]
239 cv_view_colours
+= [(1,1,0,1),(1,1,0,1)]
242 sw
= (0.4,0.4,0.4,0.2)
243 if obj
.cv_data
.target
!= None:
244 cv_draw_arrow( obj
.location
, obj
.cv_data
.target
.location
, sw
)
248 def editor_interface( layout
, obj
):
250 layout
.prop( obj
.cv_data
, "target" )
253 layout
.label( text
=F
"(i) Data is stored in {mesh.name}" )
254 layout
.prop( mesh
.cv_data
, "v0", text
="Gate dimensions" )
260 # Purpose: player can reset here, its a safe place
261 # spawns can share the same name, the closest one will be picked
263 # when the world loads it will pick the one named 'start' first.
265 class classtype_spawn(Structure
):
268 _fields_
= [("pstr_alias",c_uint32
)]
270 def encode_obj(_
, node
,node_def
):
273 _
.pstr_alias
= encoder_process_pstr( node_def
['obj'].cv_data
.strp
)
277 def draw_scene_helpers( obj
):
279 global cv_view_verts
, cv_view_colours
282 vs
[0] = obj
.matrix_world
@ Vector((0,0,0))
283 vs
[1] = obj
.matrix_world
@ Vector((0,2,0))
284 vs
[2] = obj
.matrix_world
@ Vector((0.5,1,0))
285 vs
[3] = obj
.matrix_world
@ Vector((-0.5,1,0))
286 indices
= [(0,1),(1,2),(1,3)]
293 cv_view_verts
+= [(v0
[0],v0
[1],v0
[2])]
294 cv_view_verts
+= [(v1
[0],v1
[1],v1
[2])]
295 cv_view_colours
+= [(0,1,1,1),(0,1,1,1)]
298 cv_draw_sphere( obj
.location
, 20.0, [0.1,0,0.9,0.4] )
302 def editor_interface( layout
, obj
):
304 layout
.prop( obj
.cv_data
, "strp", text
="Alias" )
310 # Purpose: Tells the game to draw water HERE, at this entity.
312 class classtype_water(Structure
):
315 _fields_
= [("temp",c_uint32
)]
317 def encode_obj(_
, node
,node_def
):
326 # Purpose: Defines a route node and links to up to two more nodes
328 class classtype_route_node(Structure
):
331 _fields_
= [("target",c_uint32
),
332 ("target1",c_uint32
)]
334 def encode_obj(_
, node
,node_def
):
337 obj
= node_def
['obj']
339 if obj
.cv_data
.target
!= None:
340 _
.target
= obj
.cv_data
.target
.cv_data
.uid
341 if obj
.cv_data
.target1
!= None:
342 _
.target1
= obj
.cv_data
.target1
.cv_data
.uid
346 def draw_scene_helpers( obj
):
348 global cv_view_verts
, cv_view_colours
350 sw
= Vector((0.4,0.4,0.4,0.2))
351 sw2
= Vector((1.5,0.2,0.2,0.0))
352 if obj
.cv_data
.target
!= None:
353 cv_draw_bpath( obj
, obj
.cv_data
.target
, sw
, sw
)
354 if obj
.cv_data
.target1
!= None:
355 cv_draw_bpath( obj
, obj
.cv_data
.target1
, sw
, sw
)
357 cv_draw_bhandle( obj
, 1.0, (0.8,0.8,0.8,1.0) )
358 cv_draw_bhandle( obj
, -1.0, (0.4,0.4,0.4,1.0) )
361 obj
.matrix_world
.to_quaternion() @ Vector((0,0,-6+1.5))
362 cv_draw_arrow( obj
.location
, p1
, sw
)
366 def editor_interface( layout
, obj
):
368 layout
.prop( obj
.cv_data
, "target", text
="Left" )
369 layout
.prop( obj
.cv_data
, "target1", text
="Right" )
375 # Purpose: Defines a route, its 'starting' point, and the colour to use for it
377 class classtype_route(Structure
):
380 _fields_
= [("id_start",c_uint32
),
381 ("pstr_name",c_uint32
),
382 ("colour",c_float
*3)]
384 def encode_obj(_
, node
,node_def
):
387 obj
= node_def
['obj']
389 _
.colour
[0] = obj
.cv_data
.colour
[0]
390 _
.colour
[1] = obj
.cv_data
.colour
[1]
391 _
.colour
[2] = obj
.cv_data
.colour
[2]
392 _
.pstr_name
= encoder_process_pstr( obj
.cv_data
.strp
)
394 if obj
.cv_data
.target
!= None:
395 _
.id_start
= obj
.cv_data
.target
.cv_data
.uid
399 def draw_scene_helpers( obj
):
401 global cv_view_verts
, cv_view_colours
, cv_view_course_i
403 if obj
.cv_data
.target
:
404 cv_draw_arrow( obj
.location
, obj
.cv_data
.target
.location
, [1,1,1,1] )
406 # Tries to simulate how we do it in the game
410 stack
[0] = obj
.cv_data
.target
412 loop_complete
= False
416 if stack_i
[si
-1] == 2:
421 if si
== 0: # Loop failed to complete
427 targets
= [None,None]
428 targets
[0] = node
.cv_data
.target
430 if node
.cv_data
.classtype
== 'classtype_route_node':
432 targets
[1] = node
.cv_data
.target1
435 nextnode
= targets
[stack_i
[si
-1]]
438 if nextnode
!= None: # branch
440 if nextnode
== stack
[0]: # Loop completed
449 if stack
[sj
] == nextnode
: # invalidated path
468 cc
= Vector((obj
.cv_data
.colour
[0],\
469 obj
.cv_data
.colour
[1],\
470 obj
.cv_data
.colour
[2],\
477 if stack
[sj
].cv_data
.classtype
== 'classtype_gate' and \
478 stack
[sk
].cv_data
.classtype
== 'classtype_gate':
480 dist
= (stack
[sj
].location
-stack
[sk
].location
).magnitude
481 cv_draw_sbpath( stack
[sj
], stack
[sk
], cc
*0.4, cc
, dist
, dist
)
484 cv_draw_bpath( stack
[sj
], stack
[sk
], cc
, cc
)
487 cv_view_course_i
+= 1
492 def editor_interface( layout
, obj
):
494 layout
.prop( obj
.cv_data
, "target", text
="'Start' from" )
495 layout
.prop( obj
.cv_data
, "colour" )
496 layout
.prop( obj
.cv_data
, "strp", text
="Name" )
502 # Purpose: links an mesh node to a type 11
504 class classtype_skin(Structure
):
507 _fields_
= [("skeleton",c_uint32
)]
509 def encode_obj(_
, node
,node_def
):
513 armature_def
= node_def
['linked_armature']
514 _
.skeleton
= armature_def
['obj'].cv_data
.uid
520 # Purpose: defines the allocation requirements for a skeleton
522 class classtype_skeleton(Structure
):
525 _fields_
= [("channels",c_uint32
),
526 ("ik_count",c_uint32
),
527 ("collider_count",c_uint32
),
528 ("anim_start",c_uint32
),
529 ("anim_count",c_uint32
)]
531 def encode_obj(_
, node
,node_def
):
535 _
.channels
= len( node_def
['bones'] )
536 _
.ik_count
= node_def
['ik_count']
537 _
.collider_count
= node_def
['collider_count']
538 _
.anim_start
= node_def
['anim_start']
539 _
.anim_count
= node_def
['anim_count']
546 # Purpose: intrinsic bone type, stores collision information and limits too
548 class classtype_bone(Structure
):
551 _fields_
= [("deform",c_uint32
),
552 ("ik_target",c_uint32
),
553 ("ik_pole",c_uint32
),
554 ("collider",c_uint32
),
555 ("use_limits",c_uint32
),
556 ("angle_limits",(c_float
*3)*2),
557 ("hitbox",(c_float
*3)*2)]
559 def encode_obj(_
, node
,node_def
):
563 armature_def
= node_def
['linked_armature']
564 obj
= node_def
['bone']
566 _
.deform
= node_def
['deform']
568 if 'ik_target' in node_def
:
570 _
.ik_target
= armature_def
['bones'].index( node_def
['ik_target'] )
571 _
.ik_pole
= armature_def
['bones'].index( node_def
['ik_pole'] )
576 if obj
.cv_data
.collider
:
579 _
.hitbox
[0][0] = obj
.cv_data
.v0
[0]
580 _
.hitbox
[0][1] = obj
.cv_data
.v0
[2]
581 _
.hitbox
[0][2] = -obj
.cv_data
.v1
[1]
582 _
.hitbox
[1][0] = obj
.cv_data
.v1
[0]
583 _
.hitbox
[1][1] = obj
.cv_data
.v1
[2]
584 _
.hitbox
[1][2] = -obj
.cv_data
.v0
[1]
590 _
.angle_limits
[0][0] = obj
.cv_data
.mins
[0]
591 _
.angle_limits
[0][1] = obj
.cv_data
.mins
[2]
592 _
.angle_limits
[0][2] = -obj
.cv_data
.maxs
[1]
593 _
.angle_limits
[1][0] = obj
.cv_data
.maxs
[0]
594 _
.angle_limits
[1][1] = obj
.cv_data
.maxs
[2]
595 _
.angle_limits
[1][2] = -obj
.cv_data
.mins
[1]
602 # Purpose: sends a signal to another entity
604 class classtype_trigger(Structure
):
607 _fields_
= [("target",c_uint32
)]
609 def encode_obj(_
, node
,node_def
):
612 if node_def
['obj'].cv_data
.target
:
613 _
.target
= node_def
['obj'].cv_data
.target
.cv_data
.uid
617 def draw_scene_helpers( obj
):
619 global cv_view_verts
, cv_view_colours
620 cv_draw_ucube( obj
.matrix_world
, [0,1,0,1] )
622 if obj
.cv_data
.target
:
623 cv_draw_arrow( obj
.location
, obj
.cv_data
.target
.location
, [1,1,1,1] )
627 def editor_interface( layout
, obj
):
629 layout
.prop( obj
.cv_data
, "target", text
="Triggers" )
635 # Purpose: Gives the player an achievement.
636 # No cheating! You shouldn't use this entity anyway, since only ME can
637 # add achievements to the steam ;)
639 class classtype_logic_achievement(Structure
):
642 _fields_
= [("pstr_name",c_uint32
)]
644 def encode_obj(_
, node
,node_def
):
647 _
.pstr_name
= encoder_process_pstr( node_def
['obj'].cv_data
.strp
)
651 def editor_interface( layout
, obj
):
653 layout
.prop( obj
.cv_data
, "strp", text
="Achievement ID" )
659 # Purpose: sends a signal to another entity
661 class classtype_logic_relay(Structure
):
664 _fields_
= [("targets",c_uint32
*4)]
666 def encode_obj(_
, node
,node_def
):
669 obj
= node_def
['obj']
670 if obj
.cv_data
.target
:
671 _
.targets
[0] = obj
.cv_data
.target
.cv_data
.uid
672 if obj
.cv_data
.target1
:
673 _
.targets
[1] = obj
.cv_data
.target1
.cv_data
.uid
674 if obj
.cv_data
.target2
:
675 _
.targets
[2] = obj
.cv_data
.target2
.cv_data
.uid
676 if obj
.cv_data
.target3
:
677 _
.targets
[3] = obj
.cv_data
.target3
.cv_data
.uid
681 def draw_scene_helpers( obj
):
683 global cv_view_verts
, cv_view_colours
685 if obj
.cv_data
.target
:
686 cv_draw_arrow( obj
.location
, obj
.cv_data
.target
.location
, [1,1,1,1] )
687 if obj
.cv_data
.target1
:
688 cv_draw_arrow( obj
.location
, obj
.cv_data
.target1
.location
, [1,1,1,1] )
689 if obj
.cv_data
.target2
:
690 cv_draw_arrow( obj
.location
, obj
.cv_data
.target2
.location
, [1,1,1,1] )
691 if obj
.cv_data
.target3
:
692 cv_draw_arrow( obj
.location
, obj
.cv_data
.target3
.location
, [1,1,1,1] )
696 def editor_interface( layout
, obj
):
698 layout
.prop( obj
.cv_data
, "target", text
="Triggers" )
699 layout
.prop( obj
.cv_data
, "target1", text
="Triggers" )
700 layout
.prop( obj
.cv_data
, "target2", text
="Triggers" )
701 layout
.prop( obj
.cv_data
, "target3", text
="Triggers" )
707 # Purpose: Plays some audio (44100hz .ogg vorbis only)
708 # NOTE: There is a 32mb limit on the audio buffer, world audio is
709 # decompressed and stored in signed 16 bit integers (2 bytes)
712 # volume: not used if has 3D flag
714 # AUDIO_FLAG_LOOP 0x1
715 # AUDIO_FLAG_ONESHOT 0x2 (DONT USE THIS, it breaks semaphores)
716 # AUDIO_FLAG_SPACIAL_3D 0x4 (Probably what you want)
717 # AUDIO_FLAG_AUTO_START 0x8 (Play when the world starts)
719 # the rest are just internal flags, only use the above 3.
721 class classtype_audio(Structure
):
724 _fields_
= [("pstr_file",c_uint32
),
728 def encode_obj(_
, node
,node_def
):
732 obj
= node_def
['obj']
734 _
.pstr_file
= encoder_process_pstr( obj
.cv_data
.strp
)
737 if obj
.cv_data
.bp0
: flags |
= 0x1
738 if obj
.cv_data
.bp1
: flags |
= 0x4
739 if obj
.cv_data
.bp2
: flags |
= 0x8
742 _
.volume
= obj
.cv_data
.fltp
746 def editor_interface( layout
, obj
):
748 layout
.prop( obj
.cv_data
, "strp" )
750 layout
.prop( obj
.cv_data
, "bp0", text
= "Looping" )
751 layout
.prop( obj
.cv_data
, "bp1", text
= "3D Audio" )
752 layout
.prop( obj
.cv_data
, "bp2", text
= "Auto Start" )
756 def draw_scene_helpers( obj
):
758 global cv_view_verts
, cv_view_colours
760 cv_draw_sphere( obj
.location
, obj
.scale
[0], [1,1,0,1] )
764 class classtype_spawn_link(Structure
):
767 _fields_
= [("connections",c_uint32
*4)]
769 def encode_obj(_
, node
,node_def
):
775 def editor_interface( layout
, obj
):
781 def draw_scene_helpers( obj
):
783 global cv_view_verts
, cv_view_colours
787 for obj1
in bpy
.context
.collection
.objects
:
789 if (obj1
.cv_data
.classtype
!= 'classtype_spawn_link') and \
790 (obj1
.cv_data
.classtype
!= 'classtype_spawn') :
793 if (obj1
.location
- obj
.location
).length
< 40.0:
795 cv_draw_line( obj
.location
, obj1
.location
, [1,1,1,1] )
803 cv_draw_sphere( obj
.location
, 20.0, [0.5,0,0.2,0.4] )
807 # ---------------------------------------------------------------------------- #
811 # ---------------------------------------------------------------------------- #
813 # Current encoder state
819 def encoder_init( collection
):
825 # The actual file header
827 'header': mdl_header(),
831 'pack_textures': collection
.cv_data
.pack_textures
,
833 # Compiled data chunks (each can be read optionally by the client)
837 #1---------------------------------
838 'node': [], # Metadata 'chunk'
843 'entdata': bytearray(), # variable width
844 'strings': bytearray(), # .
845 #2---------------------------------
846 'keyframe': [], # Animations
847 #3---------------------------------
848 'vertex': [], # Mesh data
850 #4---------------------------------
851 'pack': bytearray() # Other generic packed data
854 # All objects of the model in their final heirachy
860 # Allows us to reuse definitions
864 'material_cache': {},
868 g_encoder
['header'].identifier
= 0xABCD0000
869 g_encoder
['header'].version
= 1
871 # Add fake NoneID material and texture
873 none_material
= mdl_material()
874 none_material
.pstr_name
= encoder_process_pstr( "" )
875 none_material
.texture_id
= 0
877 none_texture
= mdl_texture()
878 none_texture
.pstr_name
= encoder_process_pstr( "" )
879 none_texture
.pack_offset
= 0
880 none_texture
.pack_length
= 0
882 g_encoder
['data']['material'] += [none_material
]
883 g_encoder
['data']['texture'] += [none_texture
]
885 g_encoder
['data']['pack'].extend( b
'datapack\0\0\0\0\0\0\0\0' )
900 root
.pstr_name
= encoder_process_pstr('')
901 root
.submesh_start
= 0
902 root
.submesh_count
= 0
905 root
.parent
= 0xffffffff
907 g_encoder
['data']['node'] += [root
]
911 # fill with 0x00 until a multiple of align. Returns how many bytes it added
913 def bytearray_align_to( buffer, align
, offset
=0 ):
917 while ((len(buffer)+offset
) % align
) != 0:
919 buffer.extend( b
'\0' )
926 # Add a string to the string buffer except if it already exists there then we
927 # just return its ID.
929 def encoder_process_pstr( s
):
933 cache
= g_encoder
['string_cache']
938 cache
[s
] = len( g_encoder
['data']['strings'] )
940 buffer = g_encoder
['data']['strings']
941 buffer.extend( s
.encode('utf-8') )
942 buffer.extend( b
'\0' )
944 bytearray_align_to( buffer, 4 )
948 def get_texture_resource_name( img
):
950 return os
.path
.splitext( img
.name
)[0]
955 def encoder_process_texture( img
):
962 cache
= g_encoder
['texture_cache']
963 buffer = g_encoder
['data']['texture']
964 pack
= g_encoder
['data']['pack']
966 name
= get_texture_resource_name( img
)
971 cache
[name
] = len( buffer )
974 tex
.pstr_name
= encoder_process_pstr( name
)
976 if g_encoder
['pack_textures']:
978 tex
.pack_offset
= len( pack
)
979 pack
.extend( qoi_encode( img
) )
980 tex
.pack_length
= len( pack
) - tex
.pack_offset
989 def material_tex_image(v
):
999 cxr_graph_mapping
= \
1001 # Default shader setup
1008 "image": "tex_diffuse"
1012 "Color1": material_tex_image("tex_diffuse"),
1013 "Color2": material_tex_image("tex_decal")
1020 "Color": material_tex_image("tex_normal")
1026 # https://harrygodden.com/git/?p=convexer.git;a=blob;f=__init__.py;#l1164
1028 def material_info(mat
):
1032 # Using the cv_graph_mapping as a reference, go through the shader
1033 # graph and gather all $props from it.
1035 def _graph_read( node_def
, node
=None, depth
=0 ):
1044 _graph_read
.extracted
= []
1046 for node_idname
in node_def
:
1048 for n
in mat
.node_tree
.nodes
:
1050 if n
.name
== node_idname
:
1052 node_def
= node_def
[node_idname
]
1060 for link
in node_def
:
1062 link_def
= node_def
[link
]
1064 if isinstance( link_def
, dict ):
1066 node_link
= node
.inputs
[link
]
1068 if node_link
.is_linked
:
1070 # look for definitions for the connected node type
1072 from_node
= node_link
.links
[0].from_node
1074 node_name
= from_node
.name
.split('.')[0]
1075 if node_name
in link_def
:
1077 from_node_def
= link_def
[ node_name
]
1079 _graph_read( from_node_def
, from_node
, depth
+1 )
1083 # TODO: Make a warning for this?
1087 if "default" in link_def
:
1089 prop
= link_def
['default']
1090 info
[prop
] = node_link
.default_value
1097 info
[prop
] = getattr( node
, link
)
1102 _graph_read( cxr_graph_mapping
)
1106 # Add a material to the material buffer. Returns 0 (None ID) if invalid
1108 def encoder_process_material( mat
):
1115 cache
= g_encoder
['material_cache']
1116 buffer = g_encoder
['data']['material']
1118 if mat
.name
in cache
:
1119 return cache
[mat
.name
]
1121 cache
[mat
.name
] = len( buffer )
1123 dest
= mdl_material()
1124 dest
.pstr_name
= encoder_process_pstr( mat
.name
)
1127 if mat
.cv_data
.skate_surface
: flags |
= 0x1
1128 if mat
.cv_data
.collision
: flags |
= 0x2
1129 if mat
.cv_data
.grow_grass
: flags |
= 0x4
1132 if mat
.cv_data
.surface_prop
== 'concrete': dest
.surface_prop
= 0
1133 if mat
.cv_data
.surface_prop
== 'wood': dest
.surface_prop
= 1
1134 if mat
.cv_data
.surface_prop
== 'grass': dest
.surface_prop
= 2
1136 if mat
.cv_data
.shader
== 'standard': dest
.shader
= 0
1137 if mat
.cv_data
.shader
== 'standard_cutout': dest
.shader
= 1
1138 if mat
.cv_data
.shader
== 'terrain_blend':
1142 dest
.colour
[0] = pow( mat
.cv_data
.sand_colour
[0], 1.0/2.2 )
1143 dest
.colour
[1] = pow( mat
.cv_data
.sand_colour
[1], 1.0/2.2 )
1144 dest
.colour
[2] = pow( mat
.cv_data
.sand_colour
[2], 1.0/2.2 )
1145 dest
.colour
[3] = 1.0
1147 dest
.colour1
[0] = mat
.cv_data
.blend_offset
[0]
1148 dest
.colour1
[1] = mat
.cv_data
.blend_offset
[1]
1151 if mat
.cv_data
.shader
== 'vertex_blend':
1155 dest
.colour1
[0] = mat
.cv_data
.blend_offset
[0]
1156 dest
.colour1
[1] = mat
.cv_data
.blend_offset
[1]
1159 if mat
.cv_data
.shader
== 'water':
1163 dest
.colour
[0] = pow( mat
.cv_data
.shore_colour
[0], 1.0/2.2 )
1164 dest
.colour
[1] = pow( mat
.cv_data
.shore_colour
[1], 1.0/2.2 )
1165 dest
.colour
[2] = pow( mat
.cv_data
.shore_colour
[2], 1.0/2.2 )
1166 dest
.colour
[3] = 1.0
1167 dest
.colour1
[0] = pow( mat
.cv_data
.ocean_colour
[0], 1.0/2.2 )
1168 dest
.colour1
[1] = pow( mat
.cv_data
.ocean_colour
[1], 1.0/2.2 )
1169 dest
.colour1
[2] = pow( mat
.cv_data
.ocean_colour
[2], 1.0/2.2 )
1170 dest
.colour1
[3] = 1.0
1173 inf
= material_info( mat
)
1175 if mat
.cv_data
.shader
== 'standard' or \
1176 mat
.cv_data
.shader
== 'standard_cutout' or \
1177 mat
.cv_data
.shader
== 'terrain_blend' or \
1178 mat
.cv_data
.shader
== 'vertex_blend':
1180 if 'tex_diffuse' in inf
:
1181 dest
.tex_diffuse
= encoder_process_texture(inf
['tex_diffuse'])
1185 return cache
[mat
.name
]
1188 # Create a tree structure containing all the objects in the collection
1190 def encoder_build_scene_graph( collection
):
1194 print( " creating scene graph" )
1198 graph
= g_encoder
['scene_graph']
1199 graph_lookup
= g_encoder
['graph_lookup']
1202 graph
["children"] = []
1204 graph
["parent"] = None
1209 uid
= g_encoder
['uid_count']
1210 g_encoder
['uid_count'] += 1
1214 for obj
in collection
.all_objects
:
1216 if obj
.parent
: continue
1218 def _extend( p
, n
, d
):
1223 tree
["children"] = []
1229 # Descend into amature
1231 if n
.type == 'ARMATURE':
1233 tree
["bones"] = [None] # None is the root transform
1234 tree
["ik_count"] = 0
1235 tree
["collider_count"] = 0
1237 # Here also collects some information about constraints, ik and
1238 # counts colliders for the armature.
1240 def _extendb( p
, n
, d
):
1246 btree
["linked_armature"] = tree
1247 btree
["uid"] = _new_uid()
1248 btree
["children"] = []
1251 tree
["bones"] += [n
.name
]
1253 for c
in n
.children
:
1255 _extendb( btree
, c
, d
+1 )
1258 for c
in tree
['obj'].pose
.bones
[n
.name
].constraints
:
1262 btree
["ik_target"] = c
.subtarget
1263 btree
["ik_pole"] = c
.pole_subtarget
1264 tree
["ik_count"] += 1
1268 if n
.cv_data
.collider
:
1269 tree
['collider_count'] += 1
1271 btree
['deform'] = n
.use_deform
1272 p
['children'] += [btree
]
1275 for b
in n
.data
.bones
:
1277 _extendb( tree
, b
, d
+1 )
1280 # Recurse into children of this object
1282 for obj1
in n
.children
:
1285 for c1
in obj1
.users_collection
:
1287 if c1
== collection
:
1289 _extend( tree
, obj1
, d
+1 )
1295 p
["children"] += [tree
]
1296 graph_lookup
[n
] = tree
1300 _extend( graph
, obj
, 1 )
1306 # Kind of a useless thing i made but it looks cool and adds complexity!!1
1308 def encoder_graph_iterator( root
):
1310 for c
in root
['children']:
1313 yield from encoder_graph_iterator(c
)
1318 # Push a vertex into the model file, or return a cached index (c_uint32)
1320 def encoder_vertex_push( vertex_reference
, co
,norm
,uv
,colour
,groups
,weights
):
1323 buffer = g_encoder
['data']['vertex']
1326 m
= float(10**TOLERENCE
)
1328 # Would be nice to know if this can be done faster than it currently runs,
1331 key
= (int(co
[0]*m
+0.5),
1339 colour
[0]*m
+0.5, # these guys are already quantized
1340 colour
[1]*m
+0.5, # .
1341 colour
[2]*m
+0.5, # .
1342 colour
[3]*m
+0.5, # .
1343 weights
[0]*m
+0.5, # v
1352 if key
in vertex_reference
:
1353 return vertex_reference
[key
]
1356 index
= c_uint32( len(vertex_reference
) )
1357 vertex_reference
[key
] = index
1365 v
.norm
[2] = -norm
[1]
1368 v
.colour
[0] = colour
[0]
1369 v
.colour
[1] = colour
[1]
1370 v
.colour
[2] = colour
[2]
1371 v
.colour
[3] = colour
[3]
1372 v
.weights
[0] = weights
[0]
1373 v
.weights
[1] = weights
[1]
1374 v
.weights
[2] = weights
[2]
1375 v
.weights
[3] = weights
[3]
1376 v
.groups
[0] = groups
[0]
1377 v
.groups
[1] = groups
[1]
1378 v
.groups
[2] = groups
[2]
1379 v
.groups
[3] = groups
[3]
1387 # Compile a mesh (or use one from the cache) onto node, based on node_def
1390 def encoder_compile_mesh( node
, node_def
):
1394 graph
= g_encoder
['scene_graph']
1395 graph_lookup
= g_encoder
['graph_lookup']
1396 mesh_cache
= g_encoder
['mesh_cache']
1397 obj
= node_def
['obj']
1399 can_use_cache
= True
1401 # Check for modifiers that typically change the data per-instance
1402 # there is no well defined rule for the choices here, its just what i've
1403 # needed while producing the game.
1405 # It may be possible to detect these cases automatically.
1407 for mod
in obj
.modifiers
:
1409 if mod
.type == 'DATA_TRANSFER' or mod
.type == 'SHRINKWRAP' or \
1410 mod
.type == 'BOOLEAN' or mod
.type == 'CURVE' or \
1411 mod
.type == 'ARRAY':
1413 can_use_cache
= False
1416 if mod
.type == 'ARMATURE':
1417 armature_def
= graph_lookup
[mod
.object]
1419 # Check the cache first
1421 if can_use_cache
and (obj
.data
.name
in mesh_cache
):
1423 ref
= mesh_cache
[obj
.data
.name
]
1424 node
.submesh_start
= ref
.submesh_start
1425 node
.submesh_count
= ref
.submesh_count
1429 # Compile a whole new mesh
1431 node
.submesh_start
= len( g_encoder
['data']['submesh'] )
1432 node
.submesh_count
= 0
1434 dgraph
= bpy
.context
.evaluated_depsgraph_get()
1435 data
= obj
.evaluated_get(dgraph
).data
1436 data
.calc_loop_triangles()
1437 data
.calc_normals_split()
1439 # Mesh is split into submeshes based on their material
1441 mat_list
= data
.materials
if len(data
.materials
) > 0 else [None]
1442 for material_id
, mat
in enumerate(mat_list
):
1447 sm
.indice_start
= len( g_encoder
['data']['indice'] )
1448 sm
.vertex_start
= len( g_encoder
['data']['vertex'] )
1451 sm
.material_id
= encoder_process_material( mat
)
1455 sm
.bbx
[0][i
] = 999999
1456 sm
.bbx
[1][i
] = -999999
1459 # Keep a reference to very very very similar vertices
1461 vertex_reference
= {}
1463 # Write the vertex / indice data
1465 for tri_index
, tri
in enumerate(data
.loop_triangles
):
1467 if tri
.material_index
!= material_id
:
1472 vert
= data
.vertices
[tri
.vertices
[j
]]
1474 vi
= data
.loops
[li
].vertex_index
1476 # Gather vertex information
1479 norm
= data
.loops
[li
].normal
1481 colour
= (255,255,255,255)
1488 uv
= data
.uv_layers
.active
.data
[li
].uv
1492 if data
.vertex_colors
:
1494 colour
= data
.vertex_colors
.active
.data
[li
].color
1495 colour
= (int(colour
[0]*255.0),\
1496 int(colour
[1]*255.0),\
1497 int(colour
[2]*255.0),\
1498 int(colour
[3]*255.0))
1501 # Weight groups: truncates to the 3 with the most influence. The
1502 # fourth bone ID is never used by the shader so it is
1507 src_groups
= [_
for _
in data
.vertices
[vi
].groups \
1508 if obj
.vertex_groups
[_
.group
].name
in \
1509 armature_def
['bones']]
1511 weight_groups
= sorted( src_groups
, key
= \
1512 lambda a
: a
.weight
, reverse
=True )
1516 if len(weight_groups
) > ml
:
1518 g
= weight_groups
[ml
]
1519 name
= obj
.vertex_groups
[g
.group
].name
1522 weights
[ml
] = weight
1523 groups
[ml
] = armature_def
['bones'].index(name
)
1528 if len(weight_groups
) > 0:
1530 inv_norm
= (1.0/tot
) * 65535.0
1533 weights
[ml
] = int( weights
[ml
] * inv_norm
)
1534 weights
[ml
] = min( weights
[ml
], 65535 )
1535 weights
[ml
] = max( weights
[ml
], 0 )
1539 # Add vertex and expand bound box
1541 index
= encoder_vertex_push( vertex_reference
, co
, \
1547 g_encoder
['data']['indice'] += [index
]
1551 # How many unique verts did we add in total
1553 sm
.vertex_count
= len(g_encoder
['data']['vertex']) - sm
.vertex_start
1554 sm
.indice_count
= len(g_encoder
['data']['indice']) - sm
.indice_start
1556 # Make sure bounding box isn't -inf -> inf if no vertices
1558 if sm
.vertex_count
== 0:
1564 for j
in range(sm
.vertex_count
):
1566 vert
= g_encoder
['data']['vertex'][ sm
.vertex_start
+ j
]
1570 sm
.bbx
[0][i
] = min( sm
.bbx
[0][i
], vert
.co
[i
] )
1571 sm
.bbx
[1][i
] = max( sm
.bbx
[1][i
], vert
.co
[i
] )
1576 # Add submesh to encoder
1578 g_encoder
['data']['submesh'] += [sm
]
1579 node
.submesh_count
+= 1
1583 # Save a reference to this node since we want to reuse the submesh indices
1585 g_encoder
['mesh_cache'][obj
.data
.name
] = node
1589 def encoder_compile_ent_as( name
, node
, node_def
):
1593 if name
== 'classtype_none':
1599 elif name
not in globals():
1601 print( "Classtype '" +name
+ "' is unknown!" )
1605 buffer = g_encoder
['data']['entdata']
1606 node
.offset
= len(buffer)
1608 cl
= globals()[ name
]
1610 inst
.encode_obj( node
, node_def
)
1612 buffer.extend( bytearray(inst
) )
1613 bytearray_align_to( buffer, 4 )
1616 # Compiles animation data into model and gives us some extra node_def entries
1618 def encoder_compile_armature( node
, node_def
):
1622 entdata
= g_encoder
['data']['entdata']
1623 animdata
= g_encoder
['data']['anim']
1624 keyframedata
= g_encoder
['data']['keyframe']
1625 mesh_cache
= g_encoder
['mesh_cache']
1626 obj
= node_def
['obj']
1627 bones
= node_def
['bones']
1630 node_def
['anim_start'] = len(animdata
)
1631 node_def
['anim_count'] = 0
1635 if obj
.animation_data
:
1637 # So we can restore later
1639 previous_frame
= bpy
.context
.scene
.frame_current
1640 previous_action
= obj
.animation_data
.action
1641 POSE_OR_REST_CACHE
= obj
.data
.pose_position
1642 obj
.data
.pose_position
= 'POSE'
1644 for NLALayer
in obj
.animation_data
.nla_tracks
:
1646 for NLAStrip
in NLALayer
.strips
:
1650 for a
in bpy
.data
.actions
:
1652 if a
.name
== NLAStrip
.name
:
1654 obj
.animation_data
.action
= a
1659 # Clip to NLA settings
1661 anim_start
= int(NLAStrip
.action_frame_start
)
1662 anim_end
= int(NLAStrip
.action_frame_end
)
1666 anim
= mdl_animation()
1667 anim
.pstr_name
= encoder_process_pstr( NLAStrip
.action
.name
)
1669 anim
.offset
= len(keyframedata
)
1670 anim
.length
= anim_end
-anim_start
1672 # Export the keyframes
1673 for frame
in range(anim_start
,anim_end
):
1675 bpy
.context
.scene
.frame_set(frame
)
1677 for bone_name
in bones
:
1679 for pb
in obj
.pose
.bones
:
1681 if pb
.name
!= bone_name
: continue
1683 rb
= obj
.data
.bones
[ bone_name
]
1685 # relative bone matrix
1686 if rb
.parent
is not None:
1688 offset_mtx
= rb
.parent
.matrix_local
1689 offset_mtx
= offset_mtx
.inverted_safe() @ \
1692 inv_parent
= pb
.parent
.matrix
@ offset_mtx
1693 inv_parent
.invert_safe()
1694 fpm
= inv_parent
@ pb
.matrix
1698 bone_mtx
= rb
.matrix
.to_4x4()
1699 local_inv
= rb
.matrix_local
.inverted_safe()
1700 fpm
= bone_mtx
@ local_inv
@ pb
.matrix
1703 loc
, rot
, sca
= fpm
.decompose()
1706 final_pos
= Vector(( loc
[0], loc
[2], -loc
[1] ))
1709 lc_m
= pb
.matrix_channel
.to_3x3()
1710 if pb
.parent
is not None:
1712 smtx
= pb
.parent
.matrix_channel
.to_3x3()
1713 lc_m
= smtx
.inverted() @ lc_m
1715 rq
= lc_m
.to_quaternion()
1718 kf
.co
[0] = final_pos
[0]
1719 kf
.co
[1] = final_pos
[1]
1720 kf
.co
[2] = final_pos
[2]
1732 keyframedata
+= [kf
]
1738 # Add to animation buffer
1741 node_def
['anim_count'] += 1
1745 status_name
= F
" " + " |"*(node_def
['depth']-1)
1746 print( F
"{status_name} | *anim: {NLAStrip.action.name}" )
1750 # Restore context to how it was before
1752 bpy
.context
.scene
.frame_set( previous_frame
)
1753 obj
.animation_data
.action
= previous_action
1754 obj
.data
.pose_position
= POSE_OR_REST_CACHE
1758 # We are trying to compile this node_def
1760 def encoder_process_definition( node_def
):
1764 # data sources for object/bone are taken differently
1766 if 'obj' in node_def
:
1768 obj
= node_def
['obj']
1770 obj_co
= obj
.location
1772 if obj_type
== 'ARMATURE':
1773 obj_classtype
= 'classtype_skeleton'
1776 obj_classtype
= obj
.cv_data
.classtype
1778 # Check for armature deform
1780 for mod
in obj
.modifiers
:
1782 if mod
.type == 'ARMATURE':
1784 obj_classtype
= 'classtype_skin'
1786 # Make sure to freeze armature in rest while we collect
1787 # vertex information
1789 armature_def
= g_encoder
['graph_lookup'][mod
.object]
1790 POSE_OR_REST_CACHE
= armature_def
['obj'].data
.pose_position
1791 armature_def
['obj'].data
.pose_position
= 'REST'
1792 node_def
['linked_armature'] = armature_def
1799 elif 'bone' in node_def
:
1801 obj
= node_def
['bone']
1803 obj_co
= obj
.head_local
1804 obj_classtype
= 'classtype_bone'
1810 node
.pstr_name
= encoder_process_pstr( obj
.name
)
1812 if node_def
["parent"]:
1813 node
.parent
= node_def
["parent"]["uid"]
1817 node
.co
[0] = obj_co
[0]
1818 node
.co
[1] = obj_co
[2]
1819 node
.co
[2] = -obj_co
[1]
1821 # Convert rotation quat to our space type
1823 quat
= obj
.matrix_local
.to_quaternion()
1826 node
.q
[2] = -quat
[2]
1829 # Bone scale is just a vector to the tail
1831 if obj_type
== 'BONE':
1833 node
.s
[0] = obj
.tail_local
[0] - node
.co
[0]
1834 node
.s
[1] = obj
.tail_local
[2] - node
.co
[1]
1835 node
.s
[2] = -obj
.tail_local
[1] - node
.co
[2]
1839 node
.s
[0] = obj
.scale
[0]
1840 node
.s
[1] = obj
.scale
[2]
1841 node
.s
[2] = obj
.scale
[1]
1846 tot_uid
= g_encoder
['uid_count']-1
1847 obj_uid
= node_def
['uid']
1848 obj_depth
= node_def
['depth']-1
1850 status_id
= F
" [{obj_uid: 3}/{tot_uid}]" + " |"*obj_depth
1851 status_name
= status_id
+ F
" L {obj.name}"
1853 if obj_classtype
!= 'classtype_none': status_type
= obj_classtype
1854 else: status_type
= obj_type
1856 status_parent
= F
"{node.parent: 3}"
1859 if obj_classtype
== 'classtype_skin':
1860 status_armref
= F
" [armature -> {armature_def['obj'].cv_data.uid}]"
1862 print(F
"{status_name:<32} {status_type:<22} {status_parent} {status_armref}")
1864 # Process mesh if needed
1866 if obj_type
== 'MESH':
1868 encoder_compile_mesh( node
, node_def
)
1870 elif obj_type
== 'ARMATURE':
1872 encoder_compile_armature( node
, node_def
)
1875 encoder_compile_ent_as( obj_classtype
, node
, node_def
)
1877 # Make sure to reset the armature we just mucked about with
1879 if obj_classtype
== 'classtype_skin':
1880 armature_def
['obj'].data
.pose_position
= POSE_OR_REST_CACHE
1882 g_encoder
['data']['node'] += [node
]
1885 # The post processing step or the pre processing to the writing step
1887 def encoder_write_to_file( path
):
1891 # Compile down to a byte array
1893 header
= g_encoder
['header']
1894 file_pos
= sizeof(header
)
1895 file_data
= bytearray()
1896 print( " Compositing data arrays" )
1898 for array_name
in g_encoder
['data']:
1900 file_pos
+= bytearray_align_to( file_data
, 16, sizeof(header
) )
1901 arr
= g_encoder
['data'][array_name
]
1903 setattr( header
, array_name
+ "_offset", file_pos
)
1905 print( F
" {array_name:<16} @{file_pos:> 8X}[{len(arr)}]" )
1907 if isinstance( arr
, bytearray
):
1909 setattr( header
, array_name
+ "_size", len(arr
) )
1911 file_data
.extend( arr
)
1912 file_pos
+= len(arr
)
1916 setattr( header
, array_name
+ "_count", len(arr
) )
1920 bbytes
= bytearray(item
)
1921 file_data
.extend( bbytes
)
1922 file_pos
+= sizeof(item
)
1927 # This imperitive for this field to be santized in the future!
1929 header
.file_length
= file_pos
1931 print( " Writing file" )
1932 # Write header and data chunk to file
1934 fp
= open( path
, "wb" )
1935 fp
.write( bytearray( header
) )
1936 fp
.write( file_data
)
1940 # Main compiler, uses string as the identifier for the collection
1942 def write_model(collection_name
):
1945 print( F
"Model graph | Create mode '{collection_name}'" )
1947 collection
= bpy
.data
.collections
[collection_name
]
1949 encoder_init( collection
)
1950 encoder_build_scene_graph( collection
)
1954 print( " Comping objects" )
1955 it
= encoder_graph_iterator( g_encoder
['scene_graph'] )
1957 encoder_process_definition( node_def
)
1962 path
= F
"/home/harry/Documents/carve/models_src/{collection_name}.mdl"
1963 encoder_write_to_file( path
)
1965 print( F
"Completed {collection_name}.mdl" )
1968 # ---------------------------------------------------------------------------- #
1972 # ---------------------------------------------------------------------------- #
1974 cv_view_draw_handler
= None
1975 cv_view_shader
= gpu
.shader
.from_builtin('3D_SMOOTH_COLOR')
1977 cv_view_colours
= []
1978 cv_view_course_i
= 0
1980 # Draw axis alligned sphere at position with radius
1982 def cv_draw_sphere( pos
, radius
, colour
):
1984 global cv_view_verts
, cv_view_colours
1986 ly
= pos
+ Vector((0,0,radius
))
1987 lx
= pos
+ Vector((0,radius
,0))
1988 lz
= pos
+ Vector((0,0,radius
))
1990 pi
= 3.14159265358979323846264
1994 t
= ((i
+1.0) * 1.0/16.0) * pi
* 2.0
1998 py
= pos
+ Vector((s
*radius
,0.0,c
*radius
))
1999 px
= pos
+ Vector((s
*radius
,c
*radius
,0.0))
2000 pz
= pos
+ Vector((0.0,s
*radius
,c
*radius
))
2002 cv_view_verts
+= [ px
, lx
]
2003 cv_view_verts
+= [ py
, ly
]
2004 cv_view_verts
+= [ pz
, lz
]
2006 cv_view_colours
+= [ colour
, colour
, colour
, colour
, colour
, colour
]
2015 # Draw transformed -1 -> 1 cube
2017 def cv_draw_ucube( transform
, colour
):
2019 global cv_view_verts
, cv_view_colours
2021 a
= Vector((-1,-1,-1))
2025 vs
[0] = transform
@ Vector((a
[0], a
[1], a
[2]))
2026 vs
[1] = transform
@ Vector((a
[0], b
[1], a
[2]))
2027 vs
[2] = transform
@ Vector((b
[0], b
[1], a
[2]))
2028 vs
[3] = transform
@ Vector((b
[0], a
[1], a
[2]))
2029 vs
[4] = transform
@ Vector((a
[0], a
[1], b
[2]))
2030 vs
[5] = transform
@ Vector((a
[0], b
[1], b
[2]))
2031 vs
[6] = transform
@ Vector((b
[0], b
[1], b
[2]))
2032 vs
[7] = transform
@ Vector((b
[0], a
[1], b
[2]))
2034 indices
= [(0,1),(1,2),(2,3),(3,0),(4,5),(5,6),(6,7),(7,4),\
2035 (0,4),(1,5),(2,6),(3,7)]
2041 cv_view_verts
+= [(v0
[0],v0
[1],v0
[2])]
2042 cv_view_verts
+= [(v1
[0],v1
[1],v1
[2])]
2043 cv_view_colours
+= [(0,1,0,1),(0,1,0,1)]
2048 # Draw line with colour
2050 def cv_draw_line( p0
, p1
, colour
):
2052 global cv_view_verts
, cv_view_colours
2054 cv_view_verts
+= [p0
,p1
]
2055 cv_view_colours
+= [colour
, colour
]
2059 # Draw line with colour(s)
2061 def cv_draw_line2( p0
, p1
, c0
, c1
):
2063 global cv_view_verts
, cv_view_colours
2065 cv_view_verts
+= [p0
,p1
]
2066 cv_view_colours
+= [c0
,c1
]
2070 # Just the tx because we dont really need ty for this app
2072 def cv_tangent_basis_tx( n
, tx
):
2074 if abs( n
[0] ) >= 0.57735027:
2090 # Draw coloured arrow
2092 def cv_draw_arrow( p0
, p1
, c0
):
2094 global cv_view_verts
, cv_view_colours
2100 tx
= Vector((1,0,0))
2101 cv_tangent_basis_tx( n
, tx
)
2103 cv_view_verts
+= [p0
,p1
, midpt
+(tx
-n
)*0.15,midpt
, midpt
+(-tx
-n
)*0.15,midpt
]
2104 cv_view_colours
+= [c0
,c0
,c0
,c0
,c0
,c0
]
2108 # Drawhandles of a bezier control point
2110 def cv_draw_bhandle( obj
, direction
, colour
):
2112 global cv_view_verts
, cv_view_colours
2115 h0
= obj
.matrix_world
@ Vector((0,direction
,0))
2117 cv_view_verts
+= [p0
]
2118 cv_view_verts
+= [h0
]
2119 cv_view_colours
+= [colour
,colour
]
2123 # Draw a bezier curve (at fixed resolution 10)
2125 def cv_draw_bezier( p0
,h0
,p1
,h1
,c0
,c1
):
2127 global cv_view_verts
, cv_view_colours
2137 p
=ttt
*p1
+(3*tt
-3*ttt
)*h1
+(3*ttt
-6*tt
+3*t
)*h0
+(3*tt
-ttt
-3*t
+1)*p0
2139 cv_view_verts
+= [(last
[0],last
[1],last
[2])]
2140 cv_view_verts
+= [(p
[0],p
[1],p
[2])]
2141 cv_view_colours
+= [c0
*a0
+c1
*(1-a0
),c0
*a0
+c1
*(1-a0
)]
2148 # I think this one extends the handles of the bezier otwards......
2150 def cv_draw_sbpath( o0
,o1
,c0
,c1
,s0
,s1
):
2152 global cv_view_course_i
2154 offs
= ((cv_view_course_i
% 2)*2-1) * cv_view_course_i
* 0.02
2156 p0
= o0
.matrix_world
@ Vector((offs
, 0,0))
2157 h0
= o0
.matrix_world
@ Vector((offs
, s0
,0))
2158 p1
= o1
.matrix_world
@ Vector((offs
, 0,0))
2159 h1
= o1
.matrix_world
@ Vector((offs
,-s1
,0))
2161 cv_draw_bezier( p0
,h0
,p1
,h1
,c0
,c1
)
2165 # Flush the lines buffers. This is called often because god help you if you want
2166 # to do fixed, fast buffers in this catastrophic programming language.
2168 def cv_draw_lines():
2170 global cv_view_shader
, cv_view_verts
, cv_view_colours
2172 if len(cv_view_verts
) < 2:
2175 lines
= batch_for_shader(\
2176 cv_view_shader
, 'LINES', \
2177 { "pos":cv_view_verts
, "color":cv_view_colours
})
2179 lines
.draw( cv_view_shader
)
2182 cv_view_colours
= []
2185 # I dont remember what this does exactly
2187 def cv_draw_bpath( o0
,o1
,c0
,c1
):
2189 cv_draw_sbpath( o0
,o1
,c0
,c1
,1.0,1.0 )
2192 # Semi circle to show the limit. and some lines
2194 def draw_limit( obj
, center
, major
, minor
, amin
, amax
, colour
):
2196 global cv_view_verts
, cv_view_colours
2205 a0
= amin
*(1.0-t0
)+amax
*t0
2206 a1
= amin
*(1.0-t1
)+amax
*t1
2208 p0
= center
+ major
*f
*math
.cos(a0
) + minor
*f
*math
.sin(a0
)
2209 p1
= center
+ major
*f
*math
.cos(a1
) + minor
*f
*math
.sin(a1
)
2211 p0
=obj
.matrix_world
@ p0
2212 p1
=obj
.matrix_world
@ p1
2213 cv_view_verts
+= [p0
,p1
]
2214 cv_view_colours
+= [colour
,colour
]
2218 cv_view_verts
+= [p0
,center
]
2219 cv_view_colours
+= [colour
,colour
]
2223 cv_view_verts
+= [p1
,center
]
2224 cv_view_colours
+= [colour
,colour
]
2228 cv_view_verts
+= [center
+major
*1.2*f
,center
+major
*f
*0.8]
2229 cv_view_colours
+= [colour
,colour
]
2234 # Draws constraints and stuff for the skeleton. This isnt documented and wont be
2236 def draw_skeleton_helpers( obj
):
2238 global cv_view_verts
, cv_view_colours
2240 for bone
in obj
.data
.bones
:
2242 if bone
.cv_data
.collider
and (obj
.data
.pose_position
== 'REST'):
2249 vs
[0]=obj
.matrix_world
@Vector((c
[0]+a
[0],c
[1]+a
[1],c
[2]+a
[2]))
2250 vs
[1]=obj
.matrix_world
@Vector((c
[0]+a
[0],c
[1]+b
[1],c
[2]+a
[2]))
2251 vs
[2]=obj
.matrix_world
@Vector((c
[0]+b
[0],c
[1]+b
[1],c
[2]+a
[2]))
2252 vs
[3]=obj
.matrix_world
@Vector((c
[0]+b
[0],c
[1]+a
[1],c
[2]+a
[2]))
2253 vs
[4]=obj
.matrix_world
@Vector((c
[0]+a
[0],c
[1]+a
[1],c
[2]+b
[2]))
2254 vs
[5]=obj
.matrix_world
@Vector((c
[0]+a
[0],c
[1]+b
[1],c
[2]+b
[2]))
2255 vs
[6]=obj
.matrix_world
@Vector((c
[0]+b
[0],c
[1]+b
[1],c
[2]+b
[2]))
2256 vs
[7]=obj
.matrix_world
@Vector((c
[0]+b
[0],c
[1]+a
[1],c
[2]+b
[2]))
2258 indices
= [(0,1),(1,2),(2,3),(3,0),(4,5),(5,6),(6,7),(7,4),\
2259 (0,4),(1,5),(2,6),(3,7)]
2266 cv_view_verts
+= [(v0
[0],v0
[1],v0
[2])]
2267 cv_view_verts
+= [(v1
[0],v1
[1],v1
[2])]
2268 cv_view_colours
+= [(0.5,0.5,0.5,0.5),(0.5,0.5,0.5,0.5)]
2271 center
= obj
.matrix_world
@ c
2272 if bone
.cv_data
.con0
:
2274 draw_limit( obj
, c
, Vector((0,1,0)),Vector((0,0,1)), \
2275 bone
.cv_data
.mins
[0], bone
.cv_data
.maxs
[0], \
2277 draw_limit( obj
, c
, Vector((0,0,1)),Vector((1,0,0)), \
2278 bone
.cv_data
.mins
[1], bone
.cv_data
.maxs
[1], \
2280 draw_limit( obj
, c
, Vector((1,0,0)),Vector((0,1,0)), \
2281 bone
.cv_data
.mins
[2], bone
.cv_data
.maxs
[2], \
2290 global cv_view_shader
2291 global cv_view_verts
2292 global cv_view_colours
2293 global cv_view_course_i
2295 cv_view_course_i
= 0
2297 cv_view_colours
= []
2299 cv_view_shader
.bind()
2300 gpu
.state
.depth_mask_set(False)
2301 gpu
.state
.line_width_set(2.0)
2302 gpu
.state
.face_culling_set('BACK')
2303 gpu
.state
.depth_test_set('LESS')
2304 gpu
.state
.blend_set('NONE')
2306 for obj
in bpy
.context
.collection
.objects
:
2308 if obj
.type == 'ARMATURE':
2310 if obj
.data
.pose_position
== 'REST':
2311 draw_skeleton_helpers( obj
)
2315 classtype
= obj
.cv_data
.classtype
2316 if (classtype
!= 'classtype_none') and (classtype
in globals()):
2318 cl
= globals()[ classtype
]
2320 if getattr( cl
, "draw_scene_helpers", None ):
2322 cl
.draw_scene_helpers( obj
)
2333 # ---------------------------------------------------------------------------- #
2337 # ---------------------------------------------------------------------------- #
2339 # Checks whether this object has a classtype assigned. we can only target other
2341 def cv_poll_target(scene
, obj
):
2343 if obj
== bpy
.context
.active_object
:
2345 if obj
.cv_data
.classtype
== 'classtype_none':
2351 class CV_MESH_SETTINGS(bpy
.types
.PropertyGroup
):
2353 v0
: bpy
.props
.FloatVectorProperty(name
="v0",size
=3)
2354 v1
: bpy
.props
.FloatVectorProperty(name
="v1",size
=3)
2355 v2
: bpy
.props
.FloatVectorProperty(name
="v2",size
=3)
2356 v3
: bpy
.props
.FloatVectorProperty(name
="v3",size
=3)
2359 class CV_OBJ_SETTINGS(bpy
.types
.PropertyGroup
):
2361 uid
: bpy
.props
.IntProperty( name
="" )
2363 strp
: bpy
.props
.StringProperty( name
="strp" )
2364 intp
: bpy
.props
.IntProperty( name
="intp" )
2365 fltp
: bpy
.props
.FloatProperty( name
="fltp" )
2366 bp0
: bpy
.props
.BoolProperty( name
="bp0" )
2367 bp1
: bpy
.props
.BoolProperty( name
="bp1" )
2368 bp2
: bpy
.props
.BoolProperty( name
="bp2" )
2369 bp3
: bpy
.props
.BoolProperty( name
="bp3" )
2371 target
: bpy
.props
.PointerProperty( type=bpy
.types
.Object
, name
="target", \
2372 poll
=cv_poll_target
)
2373 target1
: bpy
.props
.PointerProperty( type=bpy
.types
.Object
, name
="target1", \
2374 poll
=cv_poll_target
)
2375 target2
: bpy
.props
.PointerProperty( type=bpy
.types
.Object
, name
="target2", \
2376 poll
=cv_poll_target
)
2377 target3
: bpy
.props
.PointerProperty( type=bpy
.types
.Object
, name
="target3", \
2378 poll
=cv_poll_target
)
2380 colour
: bpy
.props
.FloatVectorProperty( name
="colour",subtype
='COLOR',\
2383 classtype
: bpy
.props
.EnumProperty(
2386 ('classtype_none', "classtype_none", "", 0),
2387 ('classtype_gate', "classtype_gate", "", 1),
2388 ('classtype_spawn', "classtype_spawn", "", 3),
2389 ('classtype_water', "classtype_water", "", 4),
2390 ('classtype_route_node', "classtype_route_node", "", 8 ),
2391 ('classtype_route', "classtype_route", "", 9 ),
2392 ('classtype_audio',"classtype_audio","",14),
2393 ('classtype_trigger',"classtype_trigger","",100),
2394 ('classtype_logic_achievement',"classtype_logic_achievement","",101),
2395 ('classtype_logic_relay',"classtype_logic_relay","",102),
2396 ('classtype_spawn_link',"classtype_spawn_link","",150),
2400 class CV_BONE_SETTINGS(bpy
.types
.PropertyGroup
):
2402 collider
: bpy
.props
.BoolProperty(name
="Collider",default
=False)
2403 v0
: bpy
.props
.FloatVectorProperty(name
="v0",size
=3)
2404 v1
: bpy
.props
.FloatVectorProperty(name
="v1",size
=3)
2406 con0
: bpy
.props
.BoolProperty(name
="Constriant 0",default
=False)
2407 mins
: bpy
.props
.FloatVectorProperty(name
="mins",size
=3)
2408 maxs
: bpy
.props
.FloatVectorProperty(name
="maxs",size
=3)
2411 class CV_BONE_PANEL(bpy
.types
.Panel
):
2413 bl_label
="Bone Config"
2414 bl_idname
="SCENE_PT_cv_bone"
2415 bl_space_type
='PROPERTIES'
2416 bl_region_type
='WINDOW'
2419 def draw(_
,context
):
2421 active_object
= context
.active_object
2422 if active_object
== None: return
2424 bone
= active_object
.data
.bones
.active
2425 if bone
== None: return
2427 _
.layout
.prop( bone
.cv_data
, "collider" )
2428 _
.layout
.prop( bone
.cv_data
, "v0" )
2429 _
.layout
.prop( bone
.cv_data
, "v1" )
2431 _
.layout
.label( text
="Angle Limits" )
2432 _
.layout
.prop( bone
.cv_data
, "con0" )
2433 _
.layout
.prop( bone
.cv_data
, "mins" )
2434 _
.layout
.prop( bone
.cv_data
, "maxs" )
2438 class CV_SCENE_SETTINGS(bpy
.types
.PropertyGroup
):
2440 use_hidden
: bpy
.props
.BoolProperty( name
="use hidden", default
=False )
2441 export_dir
: bpy
.props
.StringProperty( name
="Export Dir", subtype
='DIR_PATH' )
2444 class CV_COLLECTION_SETTINGS(bpy
.types
.PropertyGroup
):
2446 pack_textures
: bpy
.props
.BoolProperty( name
="Pack Textures", default
=False )
2449 class CV_MATERIAL_SETTINGS(bpy
.types
.PropertyGroup
):
2451 shader
: bpy
.props
.EnumProperty(
2454 ('standard',"standard","",0),
2455 ('standard_cutout', "standard_cutout", "", 1),
2456 ('terrain_blend', "terrain_blend", "", 2),
2457 ('vertex_blend', "vertex_blend", "", 3),
2458 ('water',"water","",4),
2461 surface_prop
: bpy
.props
.EnumProperty(
2462 name
="Surface Property",
2464 ('concrete','concrete','',0),
2465 ('wood','wood','',1),
2466 ('grass','grass','',2)
2469 collision
: bpy
.props
.BoolProperty( \
2470 name
="Collisions Enabled",\
2472 description
= "Can the player collide with this material"\
2474 skate_surface
: bpy
.props
.BoolProperty( \
2475 name
="Skate Surface", \
2477 description
= "Should the game try to target this surface?" \
2479 grow_grass
: bpy
.props
.BoolProperty( \
2480 name
="Grow Grass", \
2482 description
= "Spawn grass sprites on this surface?" \
2484 blend_offset
: bpy
.props
.FloatVectorProperty( \
2485 name
="Blend Offset", \
2487 default
=Vector((0.5,0.0)),\
2488 description
="When surface is more than 45 degrees, add this vector " +\
2491 sand_colour
: bpy
.props
.FloatVectorProperty( \
2492 name
="Sand Colour",\
2495 default
=Vector((0.79,0.63,0.48)),\
2496 description
="Blend to this colour near the 0 coordinate on UP axis"\
2498 shore_colour
: bpy
.props
.FloatVectorProperty( \
2499 name
="Shore Colour",\
2502 default
=Vector((0.03,0.32,0.61)),\
2503 description
="Water colour at the shoreline"\
2505 ocean_colour
: bpy
.props
.FloatVectorProperty( \
2506 name
="Ocean Colour",\
2509 default
=Vector((0.0,0.006,0.03)),\
2510 description
="Water colour in the deep bits"\
2514 class CV_MATERIAL_PANEL(bpy
.types
.Panel
):
2516 bl_label
="Skate Rift material"
2517 bl_idname
="MATERIAL_PT_cv_material"
2518 bl_space_type
='PROPERTIES'
2519 bl_region_type
='WINDOW'
2520 bl_context
="material"
2522 def draw(_
,context
):
2524 active_object
= bpy
.context
.active_object
2525 if active_object
== None: return
2526 active_mat
= active_object
.active_material
2527 if active_mat
== None: return
2529 info
= material_info( active_mat
)
2531 _
.layout
.prop( active_mat
.cv_data
, "shader" )
2532 _
.layout
.prop( active_mat
.cv_data
, "surface_prop" )
2533 _
.layout
.prop( active_mat
.cv_data
, "collision" )
2535 if active_mat
.cv_data
.collision
:
2536 _
.layout
.prop( active_mat
.cv_data
, "skate_surface" )
2537 _
.layout
.prop( active_mat
.cv_data
, "grow_grass" )
2539 if active_mat
.cv_data
.shader
== "terrain_blend":
2541 box
= _
.layout
.box()
2542 box
.prop( active_mat
.cv_data
, "blend_offset" )
2543 box
.prop( active_mat
.cv_data
, "sand_colour" )
2545 elif active_mat
.cv_data
.shader
== "vertex_blend":
2547 box
= _
.layout
.box()
2548 box
.label( icon
='INFO', text
="Uses vertex colours, the R channel" )
2549 box
.prop( active_mat
.cv_data
, "blend_offset" )
2551 elif active_mat
.cv_data
.shader
== "water":
2553 box
= _
.layout
.box()
2554 box
.label( icon
='INFO', text
="Depth scale of 16 meters" )
2555 box
.prop( active_mat
.cv_data
, "shore_colour" )
2556 box
.prop( active_mat
.cv_data
, "ocean_colour" )
2561 class CV_OBJ_PANEL(bpy
.types
.Panel
):
2563 bl_label
="Entity Config"
2564 bl_idname
="SCENE_PT_cv_entity"
2565 bl_space_type
='PROPERTIES'
2566 bl_region_type
='WINDOW'
2569 def draw(_
,context
):
2571 active_object
= bpy
.context
.active_object
2572 if active_object
== None: return
2573 if active_object
.type == 'ARMATURE':
2575 row
= _
.layout
.row()
2577 row
.label( text
="This object has the intrinsic classtype of skeleton" )
2581 _
.layout
.prop( active_object
.cv_data
, "classtype" )
2583 classtype
= active_object
.cv_data
.classtype
2585 if (classtype
!= 'classtype_none') and (classtype
in globals()):
2587 cl
= globals()[ classtype
]
2589 if getattr( cl
, "editor_interface", None ):
2591 cl
.editor_interface( _
.layout
, active_object
)
2597 class CV_COMPILE(bpy
.types
.Operator
):
2599 bl_idname
="carve.compile_all"
2600 bl_label
="Compile All"
2602 def execute(_
,context
):
2604 view_layer
= bpy
.context
.view_layer
2605 for col
in view_layer
.layer_collection
.children
["export"].children
:
2606 if not col
.hide_viewport
or bpy
.context
.scene
.cv_data
.use_hidden
:
2607 write_model( col
.name
)
2613 class CV_COMPILE_THIS(bpy
.types
.Operator
):
2615 bl_idname
="carve.compile_this"
2616 bl_label
="Compile This collection"
2618 def execute(_
,context
):
2620 col
= bpy
.context
.collection
2621 write_model( col
.name
)
2627 class CV_INTERFACE(bpy
.types
.Panel
):
2629 bl_idname
= "VIEW3D_PT_carve"
2630 bl_label
= "Skate Rift"
2631 bl_space_type
= 'VIEW_3D'
2632 bl_region_type
= 'UI'
2633 bl_category
= "Skate Rift"
2635 def draw(_
, context
):
2638 layout
.prop( context
.scene
.cv_data
, "export_dir" )
2640 col
= bpy
.context
.collection
2642 found_in_export
= False
2644 view_layer
= bpy
.context
.view_layer
2645 for c1
in view_layer
.layer_collection
.children
["export"].children
:
2647 if not c1
.hide_viewport
or bpy
.context
.scene
.cv_data
.use_hidden
:
2650 if c1
.name
== col
.name
:
2652 found_in_export
= True
2659 box
.label( text
=col
.name
+ ".mdl" )
2660 box
.prop( col
.cv_data
, "pack_textures" )
2661 box
.operator( "carve.compile_this" )
2667 row
.label( text
=col
.name
)
2668 box
.label( text
="This collection is not in the export group" )
2674 split
= row
.split( factor
= 0.3, align
=True )
2675 split
.prop( context
.scene
.cv_data
, "use_hidden", text
="hidden" )
2678 if export_count
== 0:
2680 row1
.operator( "carve.compile_all", \
2681 text
=F
"Compile all ({export_count} collections)" )
2686 classes
= [CV_OBJ_SETTINGS
,CV_OBJ_PANEL
,CV_COMPILE
,CV_INTERFACE
,\
2687 CV_MESH_SETTINGS
, CV_SCENE_SETTINGS
, CV_BONE_SETTINGS
,\
2688 CV_BONE_PANEL
, CV_COLLECTION_SETTINGS
, CV_COMPILE_THIS
,\
2689 CV_MATERIAL_SETTINGS
, CV_MATERIAL_PANEL
]
2693 global cv_view_draw_handler
2696 bpy
.utils
.register_class(c
)
2698 bpy
.types
.Object
.cv_data
= bpy
.props
.PointerProperty(type=CV_OBJ_SETTINGS
)
2699 bpy
.types
.Mesh
.cv_data
= bpy
.props
.PointerProperty(type=CV_MESH_SETTINGS
)
2700 bpy
.types
.Scene
.cv_data
= bpy
.props
.PointerProperty(type=CV_SCENE_SETTINGS
)
2701 bpy
.types
.Bone
.cv_data
= bpy
.props
.PointerProperty(type=CV_BONE_SETTINGS
)
2702 bpy
.types
.Collection
.cv_data
= \
2703 bpy
.props
.PointerProperty(type=CV_COLLECTION_SETTINGS
)
2704 bpy
.types
.Material
.cv_data
= \
2705 bpy
.props
.PointerProperty(type=CV_MATERIAL_SETTINGS
)
2707 cv_view_draw_handler
= bpy
.types
.SpaceView3D
.draw_handler_add(\
2708 cv_draw
,(),'WINDOW','POST_VIEW')
2713 global cv_view_draw_handler
2716 bpy
.utils
.unregister_class(c
)
2718 bpy
.types
.SpaceView3D
.draw_handler_remove(cv_view_draw_handler
,'WINDOW')
2721 # ---------------------------------------------------------------------------- #
2725 # ---------------------------------------------------------------------------- #
2727 # Transliteration of: #
2728 # https://github.com/phoboslab/qoi/blob/master/qoi.h #
2730 # Copyright (c) 2021, Dominic Szablewski - https://phoboslab.org #
2731 # SPDX-License-Identifier: MIT #
2732 # QOI - The "Quite OK Image" format for fast, lossless image compression #
2734 # ---------------------------------------------------------------------------- #
2736 class qoi_rgba_t(Structure
):
2739 _fields_
= [("r",c_uint8
),
2745 QOI_OP_INDEX
= 0x00 # 00xxxxxx
2746 QOI_OP_DIFF
= 0x40 # 01xxxxxx
2747 QOI_OP_LUMA
= 0x80 # 10xxxxxx
2748 QOI_OP_RUN
= 0xc0 # 11xxxxxx
2749 QOI_OP_RGB
= 0xfe # 11111110
2750 QOI_OP_RGBA
= 0xff # 11111111
2752 QOI_MASK_2
= 0xc0 # 11000000
2754 def qoi_colour_hash( c
):
2756 return c
.r
*3 + c
.g
*5 + c
.b
*7 + c
.a
*11
2761 return (a
.r
==b
.r
) and (a
.g
==b
.g
) and (a
.b
==b
.b
) and (a
.a
==b
.a
)
2766 return bytearray([ (0xff000000 & v
) >> 24, \
2767 (0x00ff0000 & v
) >> 16, \
2768 (0x0000ff00 & v
) >> 8, \
2772 def qoi_encode( img
):
2776 print(F
" . Encoding {img.name}.qoi[{img.size[0]},{img.size[1]}]")
2778 index
= [ qoi_rgba_t() for _
in range(64) ]
2782 data
.extend( bytearray(c_uint32(0x66696f71)) )
2783 data
.extend( qoi_32bit( img
.size
[0] ) )
2784 data
.extend( qoi_32bit( img
.size
[1] ) )
2785 data
.extend( bytearray(c_uint8(4)) )
2786 data
.extend( bytearray(c_uint8(0)) )
2789 px_prev
= qoi_rgba_t()
2790 px_prev
.r
= c_uint8(0)
2791 px_prev
.g
= c_uint8(0)
2792 px_prev
.b
= c_uint8(0)
2793 px_prev
.a
= c_uint8(255)
2801 px_len
= img
.size
[0] * img
.size
[1]
2803 paxels
= [ int(min(max(_
,0),1)*255) for _
in img
.pixels
]
2805 for px_pos
in range( px_len
):
2807 idx
= px_pos
* img
.channels
2810 px
.r
= paxels
[idx
+min(0,nc
)]
2811 px
.g
= paxels
[idx
+min(1,nc
)]
2812 px
.b
= paxels
[idx
+min(2,nc
)]
2813 px
.a
= paxels
[idx
+min(3,nc
)]
2815 if qoi_eq( px
, px_prev
):
2819 if (run
== 62) or (px_pos
== px_len
-1):
2821 data
.extend( bytearray( c_uint8(QOI_OP_RUN |
(run
-1))) )
2829 data
.extend( bytearray( c_uint8(QOI_OP_RUN |
(run
-1))) )
2833 index_pos
= qoi_colour_hash(px
) % 64
2835 if qoi_eq( index
[index_pos
], px
):
2837 data
.extend( bytearray( c_uint8(QOI_OP_INDEX | index_pos
)) )
2841 index
[ index_pos
].r
= px
.r
2842 index
[ index_pos
].g
= px
.g
2843 index
[ index_pos
].b
= px
.b
2844 index
[ index_pos
].a
= px
.a
2846 if px
.a
== px_prev
.a
:
2848 vr
= int(px
.r
) - int(px_prev
.r
)
2849 vg
= int(px
.g
) - int(px_prev
.g
)
2850 vb
= int(px
.b
) - int(px_prev
.b
)
2855 if (vr
> -3) and (vr
< 2) and\
2856 (vg
> -3) and (vg
< 2) and\
2857 (vb
> -3) and (vb
< 2):
2859 op
= QOI_OP_DIFF |
(vr
+2) << 4 |
(vg
+2) << 2 |
(vb
+2)
2860 data
.extend( bytearray( c_uint8(op
) ))
2862 elif (vg_r
> -9) and (vg_r
< 8) and\
2863 (vg
> -33) and (vg
< 32 ) and\
2864 (vg_b
> -9) and (vg_b
< 8):
2866 op
= QOI_OP_LUMA |
(vg
+32)
2867 delta
= (vg_r
+8) << 4 |
(vg_b
+ 8)
2868 data
.extend( bytearray( c_uint8(op
) ) )
2869 data
.extend( bytearray( c_uint8(delta
) ))
2873 data
.extend( bytearray( c_uint8(QOI_OP_RGB
) ) )
2874 data
.extend( bytearray( c_uint8(px
.r
) ))
2875 data
.extend( bytearray( c_uint8(px
.g
) ))
2876 data
.extend( bytearray( c_uint8(px
.b
) ))
2881 data
.extend( bytearray( c_uint8(QOI_OP_RGBA
) ) )
2882 data
.extend( bytearray( c_uint8(px
.r
) ))
2883 data
.extend( bytearray( c_uint8(px
.g
) ))
2884 data
.extend( bytearray( c_uint8(px
.b
) ))
2885 data
.extend( bytearray( c_uint8(px
.a
) ))
2898 data
.extend( bytearray( c_uint8(0) ))
2899 data
.extend( bytearray( c_uint8(1) ))
2900 bytearray_align_to( data
, 16, 0 )