; Language support for locales: ru_RU (CP866), en_US.

LP_levelp:
		mcall 40,100111b
		inc  [drag_flag]
		lodsb
		lodsw
    mov  byte[fx],al
    mov  byte[fy],ah
		and  dword[player],0
		and  dword[finish],0
    call get_xy_sf.count
    call erase_field
;    mov  [levptr],esi
	.bit2:
    mov  edx,8/2
    mov  edi,field
    lodsb
    mov  ecx,[cell_count]
  .lp:
  	mov  bl,al
  	rol  al,2
  	and  bl,11000000b
  	mov  [edi],bl
  	inc  edi
  	dec  edx
  	test edx,edx
  	jnz  .nxt
    mov  edx,8/2
		lodsb
	.nxt:
		loop .lp
    ret

LP_key:
		cmp  eax,0
		jl   LP_mouse
		cmp  eax,8
		jne  .nobsp
		cmp  [stepptr],0
		jne  .no1st
		mov  [jump],run.game
		ret
	.no1st:
		mov  [win_flag],0
		sub  [cur_step],2
		mov  esi,[cur_step]
		mov  edi,[finish]
		mov  eax,3
		movzx ebx,byte[esi]
		sub  eax,ebx
		movzx ecx,byte[esi+1]
	.lp0:
		and  byte[field+edi],0
		add  edi,[dirs+eax*4]
		loop .lp0
		mov  [finish],edi
		dec  [stepptr]
		ret
	.nobsp:
    cmp  eax,176
    jb   .ex
    cmp  eax,179
    ja   .ex
    sub  eax,176
  .ex:
    ret

LP_drawm:
		and  [pause_time],0
    mov  ecx,[cell_count]
  .lp:
    push ecx
    mov  bl,byte[field+ecx-1]
    push ebx
    lea  eax,[ecx-1]
    mov  ecx,eax
    call get_xy

    mov  al,bl
    and  al,0xf
    test bl,11000000b
    jnz  .noempty
    mov  esi,LP_aw
    mov  ecx,11
    call LP_draw_alert
    jmp  .no
  .noempty:
    mov  edx,0
    test bl,10000000b
    je   .stable
    mov  edx,0xffffff
    mov  esi,LP_aw
    mov  ecx,7
    jmp  .d13
  .stable:
    mov  esi,LP_em
    mov  ecx,9
	.d13:
    call LP_draw_alert
    mcall 13,[lx],[ly]
  .no:
  	mov  esi,[esp+4]
  	dec  esi
  	mov  edi,esi
  	mov  edx,0x0000FF
  ; ecx - cell #
  	test byte[esp],10b
  	je   .no_dn
  	add  edi,[dirs+4*1]
  	call getline
  .no_dn:
  	test byte[esp],1000b
  	je   .no_right
  	mov  edi,esi
  	add  edi,[dirs+4*3]
  	call getline
	.no_right:
  	pop  ebx
    pop  ecx
  .valid:
    loop .lp2
    jmp  .exlp
  .lp2:
  	jmp  .lp
  .exlp:

    mov  esi,[player]
    mov  edi,[finish]
    cmp  esi,edi
    je   .ex
    mov  edx,0x7777FF
    call getline
  .ex:
  	cmp  [pause_time],0
  	jne   .ex2
  	xor  ecx,ecx
  	xor  ebx,ebx
  	mov  edx,5
; eax - cur cell content, ebx - cell #, ecx - cell counter, edx - dir
	.chwin:
  	movzx eax,byte[field+ebx]
  	and  eax,0xf
  	btr  eax,edx
  	bsf  edx,eax
  	je   .ex3
  	inc  ecx
  	add  ebx,[dirs+edx*4]
  	jz   .ex3
  	xor  edx,11b
  	jmp  .chwin
  .ex3:
  	cmp  ecx,[cell_count]
  	jne  .ex2
  	mov  [win_flag],1
  .ex2:
    ret

LP_mouse:
		cmp  [win_flag],1
		je   .ex
    mov  [jump],still
    mov  edx,eax
		call get_last_mclick
    cmp  edx,-2
    jne  .no1st
		test eax,eax
		jnz  .noempty
		mov  eax,[player]
		mov  ebx,[finish]
		call get_offset
		mov  ecx,eax
		mov  edx,0x101
		shl  dl,cl
		xor  ecx,11b
		shl  dh,cl
		mov  ecx,ebx
		jecxz LP_drawm.ex2
		mov  esi,[player]
	.lp:
		xor  [field+esi],dl
		add  esi,[dirs+eax*4]
		xor  [field+esi],dh
		loop .lp
		xor  ebx,ebx
	.noempty:
		mov  [player],ebx
    jmp  .exx
  .no1st:
		test eax,eax
		jz   .ex
		mov  eax,[player]
		push ebx
		call get_offset
		pop  ebx
		cmp  eax,-1
		je   .ex
	.exx:
		mov  [finish],ebx
    mov  [jump],drw
;		ud2
	.ex:
		ret


LP_aw db 1001b,0110b
LP_em db 0000b,0001b,0010b,0100b,1000b
LP_ab	db 0011b,0101b,1100b,1010b,1001b,0110b

LP_draw_alert:
; al-cell, esi - ptr,ecx - len
	.lp:
		cmp  al,[esi]
		je   .ex
		inc  esi
		loop .lp
		pusha
		mov  ebx,[lx]
		mov  ecx,[ly]
		add  ebx,4-2 shl 16
		add  ecx,4-2 shl 16
		mcall 13,,,0xFFAAAA
		mov  [pause_time],eax
		popa
	.ex:
		ret

LP_level:
file 'loops.bin'

if lang eq ru_RU
        LP_help mstr \
        'Через все клетки прямоугольника необходимо',\
        'провести замкнутую ломаную. Проходя через черный',\
        'кружок, ломаная обязана повернуть, а проходя',\
        'через белый кружок, ломаная поворачивать не',\
        'может. В пустых же клетках ломаная ведет себя как',\
        'захочет.','',\
        'http://puzzleprograms.narod.ru' ; FIXME: Check link works
else ; Default to en_US
        LP_help mstr \
        'You have to draw a closed line over every grid',\
        'cell. On black square line must turn, and it must',\
        'go straight when over white square. The line may',\
        'behave anyhow elsewhere.','',\
        'http://puzzleprograms.narod.ru' ; FIXME: Check link works
end if