459 lines
8.2 KiB
PHP
459 lines
8.2 KiB
PHP
;
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; ”ãªæ¨¨ ¤«ï ¯à¥®¡à §®¢ ¨ï ä ©« *.stl ¢ *.3ds
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;
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; ‘âàãªâãà ᮧ¤ ¢ ¥¬®£® ä ©« *.3ds:
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; CHUNK_MAIN (40+n+v+f)
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; + CHUNK_OBJMESH (34+n+v+f)
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; + CHUNK_OBJBLOCK (28+n+v+f)
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; + CHUNK_TRIMESH (22+v+f)
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; + CHUNK_VERTLIST (8+v)
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; + CHUNK_FACELIST (8+f)
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;
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; ¢ ᪮¡ª å 㪠§ ë à §¬¥àë ¡«®ª®¢:
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; n - ¯ ¬ïâì ¤«ï ¨¬¥¨ ®¡ê¥ªâ
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; v - ¯ ¬ïâì ¤«ï ¢¥àè¨
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; f - ¯ ¬ïâì ¤«ï £à ¥©
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; ”®à¬ â ¡¨ ண® *.stl:
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; char[80] - § £®«®¢®ª
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; uint32 - ç¨á«® £à ¥©
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; ¤«ï ª ¦¤®© £à ¨:
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; float[3] - ¢¥ªâ®à ®à¬ «¨
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; float[9] - ¢¥àè¨ë 1,2,3
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; uint16 - âਡãâë
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if lang eq ru
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txt_err_stl_open:
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db '"STL',13,10
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db '” ©« *.stl ®ç¥ì ¡®«ì让." -tW',0
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txt_err_stl_null_v:
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db '"STL',13,10
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db '‚¥àè¨ë ¥ ©¤¥ë." -tE',0
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else
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txt_err_stl_open:
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db '"STL',13,10
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db 'File *.stl is very large." -tW',0
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txt_err_stl_null_v:
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db '"STL',13,10
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db 'Vertexes not found." -tE',0
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end if
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;output:
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; eax - 㪠§ ⥫ì áä®à¬¨à®¢ ë© ä ©« 3ds (¢ á«ãç ¥ ¥ã¤ ç¨ 0)
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; ecx - à §¬¥à áä®à¬¨à®¢ ®£® ä ©« 3ds
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align 4
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proc convert_stl_3ds uses ebx edx edi esi, f_data:dword, f_size:dword
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locals
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c_mem dd ? ;¯ ¬ïâì ¤«ï ¯à¥®¡à §®¢ ¨ï (convert memory)
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c_size dd ? ;à §¬¥à ¯ ¬ï⨠¤«ï ¯à¥®¡à §®¢ ¨© (convert memory size)
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vert_c dd ? ;ç¨á«® ¢¥àè¨ (vertex count)
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face_c dd ? ;ç¨á«® £à ¥© (faces count)
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endl
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xor eax,eax
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mov esi,[f_data]
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cmp dword[esi],'soli'
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jne .bin_stl
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cmp word[esi+4],'d '
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jne .bin_stl
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jmp @f
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.bin_stl:
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;¯à®¢¥à塞 ä ©« ¡¨ àë© ä®à¬ â
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mov ecx,[esi+80]
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imul ecx,50
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add ecx,84 ;§ £®«®¢®ª
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cmp ecx,[f_size]
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jne .no_stl
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call convert_binary_stl
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jmp .no_stl
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@@:
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;¢ ç «¥ ©¤¥® 'solid '
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stdcall txt_next_line, 80
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mov eax,[f_data]
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sub eax,esi
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add eax,[f_size]
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stdcall get_stl_vertex_count, esi,eax
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or eax,eax
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jnz @f
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notify_window_run txt_err_stl_null_v
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jmp .no_stl
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@@:
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cmp eax,0xffff
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jle @f
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notify_window_run txt_err_stl_open
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mov eax,0xffff
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@@:
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mov [vert_c],eax
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mov ecx,3
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xor edx,edx
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div ecx
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mov [face_c],eax
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shl eax,3
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mov ecx,[vert_c]
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imul ecx,12
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lea ecx,[ecx+eax+40]
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lea edx,[esi-6]
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sub edx,[f_data]
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cmp edx,2
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jge @f
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mov edx,2 ;¬¨¨¬ «ìë© à §¬¥à ¤«ï ¨¬¥¨ ®¡ê¥ªâ
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@@:
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add ecx,edx ;for object name
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mov [c_size],ecx
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stdcall mem.Alloc,ecx
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mov [c_mem],eax
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mov ebx,eax
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mov word[ebx],CHUNK_MAIN
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mov dword[ebx+2],ecx
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add ebx,6
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;3d3d
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mov word[ebx],CHUNK_OBJMESH
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sub ecx,6
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mov dword[ebx+2],ecx
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add ebx,6
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;4000
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mov word[ebx],CHUNK_OBJBLOCK
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sub ecx,6
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mov dword[ebx+2],ecx
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add ebx,6
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push ecx esi
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mov ecx,edx
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mov edi,ebx
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mov esi,[f_data]
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add esi,6 ;¯à®¯ã᪠¥¬ 'solid '
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rep movsb ;ª®¯¨à㥬 ¨¬ï ®¡ê¥ªâ
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mov byte[edi-1],0
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add ebx,edx
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pop esi ecx
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;4100
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mov word[ebx],CHUNK_TRIMESH
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sub ecx,6
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mov dword[ebx+2],ecx
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add ebx,6
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;4110
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mov word[ebx],CHUNK_VERTLIST
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mov dword[ebx+2],8 ;+ ç¨á«® ¢¥àè¨ * 12
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add ebx,6
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mov edx,ebx
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mov word[edx],0 ;ª®«. ¢¥àè¨
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add ebx,2
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finit
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.cycle0:
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call txt_ignore_space
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cmp dword[esi],'face'
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jne .end_v
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stdcall txt_next_line, 80
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call txt_ignore_space
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cmp dword[esi],'oute'
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jne .end_v
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stdcall txt_next_line, 80
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mov ecx,3 ;3 â®çª¨ 1 £à ì
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@@:
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stdcall stl_vertex_init, ebx
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or eax,eax
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jz .end_v
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add ebx,12
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inc word[edx]
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loop @b
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mov eax,[vert_c]
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cmp word[edx],ax
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jge .end_v
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call txt_ignore_space
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cmp dword[esi],'endl'
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jne .end_v
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stdcall txt_next_line, 80
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call txt_ignore_space
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cmp dword[esi],'endf'
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jne .end_v
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stdcall txt_next_line, 80
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jmp .cycle0
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.end_v:
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movzx eax,word[edx]
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imul eax,12
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add [edx-4],eax ;¨á¯à ¢«ï¥¬ à §¬¥à ¡«®ª 4110
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;4120
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mov word[ebx],CHUNK_FACELIST
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mov ecx,[face_c]
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mov edx,ecx
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shl edx,3 ;ª®«. £à ¥© * 8
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add edx,8
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mov [ebx+2],edx
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add ebx,6
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mov [ebx],cx ;ª®«. £à ¥©
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add ebx,2
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xor eax,eax
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@@:
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mov [ebx],ax
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inc eax
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mov [ebx+2],ax
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inc eax
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mov [ebx+4],ax
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inc eax
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mov word[ebx+6],0 ; âਡãâë
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add ebx,8
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loop @b
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mov eax,[c_mem]
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mov ecx,[c_size]
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.no_stl:
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ret
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endp
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;input:
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; esi - 㪠§ ⥫ì ç «® ä ©«
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; ecx - à §¬¥à ä ©«
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align 4
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proc convert_binary_stl
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locals
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c_mem dd ? ;¯ ¬ïâì ¤«ï ¯à¥®¡à §®¢ ¨ï (convert memory)
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c_size dd ? ;à §¬¥à ¯ ¬ï⨠¤«ï ¯à¥®¡à §®¢ ¨© (convert memory size)
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vert_c dd ? ;ç¨á«® ¢¥àè¨ (vertex count)
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face_c dd ? ;ç¨á«® £à ¥© (faces count)
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endl
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mov eax,[esi+80]
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or eax,eax
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jnz @f
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notify_window_run txt_err_stl_null_v
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jmp .no_stl
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@@:
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cmp eax,0xffff/3
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jle @f
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notify_window_run txt_err_stl_open
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mov eax,0xffff/3
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@@:
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mov [face_c],eax
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mov ecx,eax
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imul eax,3
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mov [vert_c],eax
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shl ecx,3
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imul eax,12
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lea ecx,[ecx+eax+40+4] ;+4 à §¬¥à ¤«ï ¨¬¥¨ ®¡ê¥ªâ
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mov [c_size],ecx
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stdcall mem.Alloc,ecx
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mov [c_mem],eax
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mov ebx,eax
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mov word[ebx],CHUNK_MAIN
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mov dword[ebx+2],ecx
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add ebx,6
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;3d3d
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mov word[ebx],CHUNK_OBJMESH
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sub ecx,6
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mov dword[ebx+2],ecx
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add ebx,6
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;4000
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mov word[ebx],CHUNK_OBJBLOCK
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sub ecx,6
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mov dword[ebx+2],ecx
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add ebx,6
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mov dword[ebx],'Stl' ;¨¬ï ®¡ê¥ªâ
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add ebx,4
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;4100
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mov word[ebx],CHUNK_TRIMESH
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sub ecx,6
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mov dword[ebx+2],ecx
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add ebx,6
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;4110
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mov word[ebx],CHUNK_VERTLIST
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mov dword[ebx+2],8 ;+ ç¨á«® ¢¥àè¨ * 12
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add ebx,6
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mov edx,ebx
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mov ecx,[vert_c]
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mov word[edx],cx ;ª®«. ¢¥àè¨
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add ebx,2
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add esi,80+4+12 ;¯à®¯ã᪠§ £®«®¢ª , ç¨á« £à ¥©, 1-£® ¢¥ªâ®à ®à¬ «¥©
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mov edi,ebx
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mov eax,[face_c]
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@@: ;横« ¯® £à ï¬
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mov ecx,9
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rep movsd ;ª®¯¨à㥬 ª®®à¤¨ âë 3-å ¢¥àè¨
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add esi,14 ;¯à®¯ã᪠¢¥ªâ®à ®à¬ «¥© ¨ âਡã⮢
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dec eax
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jnz @b
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mov ebx,edi
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movzx eax,word[edx]
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imul eax,12
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add [edx-4],eax ;¨á¯à ¢«ï¥¬ à §¬¥à ¡«®ª 4110
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;4120
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mov word[ebx],CHUNK_FACELIST
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mov ecx,[face_c]
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mov edx,ecx
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shl edx,3 ;ª®«. £à ¥© * 8
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add edx,8
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mov [ebx+2],edx
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add ebx,6
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mov [ebx],cx ;ª®«. £à ¥©
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add ebx,2
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xor eax,eax
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@@:
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mov [ebx],ax
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inc eax
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mov [ebx+2],ax
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inc eax
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mov [ebx+4],ax
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inc eax
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mov word[ebx+6],0 ; âਡãâë
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add ebx,8
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loop @b
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mov eax,[c_mem]
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mov ecx,[c_size]
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.no_stl:
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ret
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endp
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;output:
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; eax - vertex count
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align 4
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proc get_stl_vertex_count uses ebx ecx edi, f_data:dword, f_size:dword
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mov al,'v'
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xor ebx,ebx
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mov ecx,[f_size]
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mov edi,[f_data]
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.cycle0:
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repne scasb
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cmp dword[edi],'erte'
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jne @f
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inc ebx
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add edi,4
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sub ecx,4
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cmp ecx,4
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jg .cycle0
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@@:
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mov eax,ebx
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ret
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endp
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;input:
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; esi - input description text
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; ppoi - pointer to vertex struct
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;output:
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; eax - 0 (if error init) or 1
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; esi - output description text
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align 4
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proc stl_vertex_init uses ebx ecx edi, ppoi:dword
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call txt_ignore_space
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cmp dword[esi],'vert'
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jne .err_init
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cmp word[esi+4],'ex'
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jne .err_init
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add esi,6
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mov ebx,[ppoi]
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call txt_copy_data
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call String_to_DoubleFloat
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fld qword[Data_Double]
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fstp dword[ebx] ;coord X
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call txt_copy_data
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call String_to_DoubleFloat
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fld qword[Data_Double]
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fstp dword[ebx+4] ;coord X
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call txt_copy_data
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call String_to_DoubleFloat
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fld qword[Data_Double]
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fstp dword[ebx+8] ;coord Z
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stdcall txt_next_line, 80
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jmp @f
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.err_init:
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xor eax,eax
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jmp .end_f
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@@:
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xor eax,eax
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inc eax
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.end_f:
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ret
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endp
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;input:
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; esi - 㪠§ ⥫ì ç «® áâப¨ á ¯à®¡¥« ¬¨
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;output:
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; al - destroy
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; ecx - destroy
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; esi - 㪠§ â¥«ì ¯¥à¢ë© ¥¯à®¡¥«ìë© á¨¬¢®«
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align 4
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txt_ignore_space:
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mov ecx,64 ;§ é¨â ®â § 横«¨¢ ¨ï
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@@:
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lodsb
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cmp al,' '
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jne @f
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loop @b
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@@:
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dec esi
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ret
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;input:
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; esi - 㪠§ ⥫ì áâபã á ç¨á«®¬ (¯à®¡¥«ë ¢ ç «¥ áâப¨ ¨£®à¨àãîâìáï)
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;output:
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; al - destroy
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; ecx - destroy
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; edi - destroy
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; esi - 㪠§ â¥«ì ª®¥æ ª®¯¨à®¢ ®£® ç¨á«
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; Data_String - áâப á ç¨á«®¬ ¨§ esi
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align 4
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txt_copy_data:
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call txt_ignore_space
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mov ecx,32
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mov edi,esi
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@@:
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lodsb
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or al,al
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jz @f
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cmp al,' '
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je @f
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cmp al,13
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je @f
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loop @b
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@@:
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mov esi,edi
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sub ecx,32
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neg ecx
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mov edi,Data_String
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rep movsb
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mov byte[edi],0
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ret
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;input:
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; esi - text pointer
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align 4
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proc txt_next_line uses eax ecx edi, mlen:dword
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mov al,13
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mov ecx,[mlen]
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mov edi,esi
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repne scasb
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cmp byte[edi],10
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jne @f
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inc edi
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@@:
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mov esi,edi
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ret
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endp |