;
;    BACKGROUND SET  - Compile with fasm
;
  use32
  org     0x0
  db      'MENUET01'    ; 8 byte id
  dd      0x01          ; version
  dd      START         ; program start
  dd      I_END         ; image size
  dd      0x80000       ; reguired amount of memory
  dd      0x80000       ; stack pointer
  dd      I_Param,0

  include 'lang.inc'
  include '..\..\..\macros.inc'

START:
    mov  eax,48
    mov  ebx,3
    mov  ecx,sc
    mov  edx,sizeof.system_colors
    mcall

    call check_parameters
    call draw_window

    call load_texture
    call draw_image


still:

    mov  eax,10                 ; wait here for event
    mcall

    dec  eax
    jz   red
    dec  eax
    jnz  button

  key:
    mov  al,2
    mcall
    jmp  still

  red:
    call draw_window
    jmp  still

  button:
    mov  al,17
    mcall

    shr  eax,8

    cmp  eax,101                ; tiled
    jne  no101
    mov  eax,15
    mov  ebx,4
    mov  ecx,1
    mcall
    mov  eax,15
    mov  ebx,3
    mcall
    jmp  still
  no101:

    cmp  eax,102               ; stretch
    jne  no102
    mov  eax,15
    mov  ebx,4
    mov  ecx,2
    mcall
    mov  eax,15
    mov  ebx,3
    mcall
    jmp  still
  no102:

    cmp  eax,1           ; end program
    jnz  no_end
    or   eax,-1
    mcall
  no_end:

    cmp  eax,11
    jz   bg
    cmp  eax,12
    jz   bg
    cmp  eax,13
    jz   bg

    cmp  eax,121
    jb   no_bg_select
    cmp  eax,133
    jg   no_bg_select
    sub  eax,121
    shl  eax,2
    add  eax,arrays
    mov  eax,[eax]
    mov  [usearray],eax
    call load_texture
    call draw_image
    jmp  still
  no_bg_select:

    cmp  eax,14+20
    jge  bg4

    jmp  bg2


check_parameters:

    cmp  [I_Param],dword 'BOOT'
    je   @f
    ret
  @@:

    call load_texture

    mov  eax,15
    mov  ebx,1
    mov  ecx,256
    mov  edx,256
    mcall

    mov  eax,15
    mov  ebx,5
    mov  ecx,0x40000 ; <<< 0x40000 for blue, 0x40000+1 for red,
                       ; <<< 0x40000+2 for green background at boot
    mov  edx,0
    mov  esi,256*3*256
    mcall

    mov  eax,15
    mov  ebx,4
    mov  ecx,2
    mcall

    mov  eax,15
    mov  ebx,3
    mcall

    mov  eax,-1
    mcall



set_picture:

    mov  eax,image+99-3*16
    mov  ebx,0x40000+255*3+255*3*256
  newpix:
    mov  ecx,[eax]
    mov  [ebx],cx
    shr  ecx,16
    mov  [ebx+2],cl
    add  eax,3
    sub  ebx,3
    cmp  ebx,0x40002
    jge  newpix

    ret


load_texture:

    call  gentexture
    call  set_picture

    ret


; set background

bg:

    mov  edi,0x40000

    cmp  eax,12
    jnz  bb1
    mov  edi,0x40000+1
  bb1:
    cmp  eax,13
    jnz  bb2
    mov  edi,0x40000+2
  bb2:

    mov  eax,15
    mov  ebx,1
    mov  ecx,256
    mov  edx,256
    mcall

    mov  eax,15
    mov  ebx,5
    mov  ecx,edi
    mov  edx,0
    mov  esi,256*256*3
    mcall

    mov  eax,15
    mov  ebx,3
    mcall

    jmp  still


; colored background

bg2:

    push eax

    mcall 15,4,1

    mov  eax,15
    mov  ebx,1
    mov  ecx,1
    mov  edx,1
    mcall

    pop  eax
    sub  eax,14
    imul eax,3

    mov  ecx,fill
    add  ecx,eax

    mov  eax,15
    mov  ebx,5
    xor  edx,edx
    mov  esi,3*1*1
    mcall

    mov  eax,15
    mov  ebx,3
    mcall

    jmp  still


; shaped background

bg4:

    sub  eax,14+20
    shl  eax,3
    add  eax,shape
    mov  ecx,[eax+0]
    mov  edx,[eax+4]

    mov  eax,15
    mov  ebx,1
    mcall

    mov  eax,15
    mov  ebx,3
    mcall

    jmp  still


; *********************************************
; ******* CELLULAR TEXTURE GENERATION *********
; **** by Cesare Castiglia (dixan/sk/mfx) *****
; ********* dixan@spinningkids.org   **********
; *********************************************
; * the algorythm is kinda simple. the color  *
; * component for every pixel is evaluated    *
; * according to the squared distance from    *
; * the closest point in 'ptarray'.           *
; *********************************************

gentexture:

  mov ecx,0          ; ycounter
  mov edi,0          ; pixel counter

  mov ebp,[usearray]

 ylup:
    mov ebx,0

 xlup:
  push edi
  mov edi, 0
  mov esi, 512000000           ; abnormous initial value :)

 pixlup:
   push esi
   mov eax,ebx                 ; evaluate first distance
   sub eax, [ebp+edi]          ; x-x1
   call wrappit
   imul eax
   mov esi, eax                ; (x-x1)^2
   mov eax, ecx
   add edi,4
   sub eax, [ebp+edi]          ; y-y1
   call wrappit
   imul eax                    ; (y-y1)^2
   add eax,esi                 ; (x-x1)^2+(y-y1)^2
   pop esi

   cmp esi,eax
   jb  ok                      ; compare and take the smaller one
   mov esi,eax

  ok:
   add edi,4
   cmp [ebp+edi],dword 777
   jne pixlup

   mov eax,esi                 ; now evaluate color...

   mov edi,24            ; 50 = max shaded distance
   idiv edi

   pop edi
   mov [image+51+edi],eax
   add edi,3

  add ebx,1              ; bounce x loop
  cmp ebx,256            ; xsize
  jne xlup

  add ecx,1
  cmp ecx,256            ; ysize
  jne ylup

  ret

wrappit:
  cmp eax,0              ; this makes the texture wrap
  jg noabs
  neg eax
  noabs:
  cmp eax,128
  jb nowrap
  neg eax
  add eax,256
  nowrap:
  ret

; *********************************************
; ******* WINDOW DEFINITIONS AND DRAW *********
; *********************************************


draw_image:

    mov  eax,7
    mov  ebx,0x40000
    mov  ecx,256*65536+255
    mov  edx,14*65536+40;55
    mcall

    ret


y_add  equ  19 ; 30
y_s    equ  13

y_add2 equ  315 ;325
set    equ  0 ;15

draw_window:

    mov eax, 12                   ; tell os about draw
    mov ebx, 1
    mcall

    xor eax, eax                    ; define and draw window
    mov ebx, 220*65536+293
    mov ecx, 50*65536+408
    mov edx, [sc.work]
    or  edx, 0x33000000
    mov edi, title
    mcall

    call draw_image

    mov  eax,8                     ; Blue button
    mov  ebx,(set+190+27)*65536+17
    mov  ecx,y_add*65536+y_s
    mov  edx,11
    mov  esi,0x005555bb
    mcall
    ;mov  eax,8                     ; Red button
    mov  ebx,(set+208+27)*65536+17
    mov  edx,12
    mov  esi,0x00bb5555
    mcall
    ;mov  eax,8                     ; Green button
    mov  ebx,(set+253)*65536+17
    mov  edx,13
    mov  esi,0x0055bb55
    mcall

    ;mov  eax, 8                     ; tiled
    mov  ebx, 90*65536+63
    mov  ecx, y_add*65536+y_s
    mov  edx, 101
    mov  esi, [sc.work_button]
    mcall

    ;mov  eax, 8                     ; stretch
    mov  ebx, 154*65536+61
    mov  edx, 102
    mcall

    mov  eax, 4
    mov  ebx, 215*65536+5
    mov  ecx, [sc.work_text]
    mov  edx, apply_text
    mov  esi, apply_text.size
    mcall

    mov  ebx, 14*65536+301
    mov  edx, image_buttons_text
    mov  esi, image_buttons_text.size
    mcall

    mov  ebx, 14*65536+(y_add2+27)
    mov  edx, simple_text
    mov  esi, simple_text.size
    mcall

    mov  ecx, (y_add2)*65536+20
    mov  ebx, (13)*65536+25
    mov  edx, 121
    mov  esi, [sc.work_button]
    mov  edi, 9
    mov  eax, 8
  @@:
    mcall
    add  ebx, 29*65536
    inc  edx
    dec  edi
    jnz  @b


    mov  edx, 34+4
    mov  edi, 4
    ;mov  eax, 8
    mov  ebx, 13*65536+18
    mov  ecx, y_add*65536+y_s
  @@:
    mcall
    inc  edx
    add  ebx, 19*65536
    dec  edi
    jnz  @b


    ;-----------------------
    mov  eax,8
    mov  edx,14                            ; button number
    mov  ebx,(13)*65536+17                 ; button start x & size
    mov  ecx,(y_add2+40)*65536+14          ; button start y & size

  newcb:
    mov  esi,[(edx-14)*4+colors]

    mcall

    inc  edx
    add  ebx,20*65536

    cmp  edx,27
    jnz  newcb
    ;-----------------------

    mov  eax, 4
    mov  ebx, 94*65536+4+y_add
    mov  ecx, [sc.work_button_text]
    mov  edx, la2
    mov  esi, la2.size
    mcall

    mov  eax,12
    mov  ebx,2
    mcall

    ret



; DATA SECTION

if lang eq ru
    title db 'ƒ¥­¥à â®à ä®­  à ¡®ç¥£® á⮫ ',0
else
    title db 'Background',0
end if

lsz apply_text,\
    ru, "�ਬ¥­¨âì:",\
    en, "Apply:"

lsz image_buttons_text,\
    ru, "‚ë¡¥à¨â¥ ®¡à §¥æ:",\
    en, "Select pattern:"

lsz simple_text,\
    ru, "Ž¤­®æ¢¥â­ë© ä®­:",\
    en, "Single-color background:"

lsz la2,\
    ru, "‡€ŒŽ‘’ˆ’œ  �€‘’Ÿ�“’œ",\
    en, "  TILED     STRETCH"


xx   db    'x'

colors:
    dd  0x770000
    dd  0x007700
    dd  0x000077
    dd  0x777700
    dd  0x770077
    dd  0x007777
    dd  0x777777
    dd  0x335577
    dd  0x775533
    dd  0x773355
    dd  0x553377
    dd  0x111111
    dd  0xcccccc

fill:
    db  0x00,0x00,0x77
    db  0x00,0x77,0x00
    db  0x77,0x00,0x00
    db  0x00,0x77,0x77
    db  0x77,0x00,0x77
    db  0x77,0x77,0x00
    db  0x77,0x77,0x77
    db  0x77,0x55,0x33
    db  0x33,0x55,0x77
    db  0x55,0x33,0x77
    db  0x77,0x33,0x55
    db  0x11,0x11,0x11
    db  0xcc,0xcc,0xcc

shape:

    dd  1024,64
    dd  1024,32
    dd  2048,32
    dd  4096,32

    dd  512,16
    dd  1024,16
    dd  2048,16
    dd  4096,16

    dd  64,32
    dd  64,16
    dd  32,32
    dd  8,8
    dd  16,16
    dd  64,64

usearray dd ptarray

arrays dd ptarray,ptarray2,ptarray3,ptarray4,ptarray5,ptarray6
        dd ptarray7,ptarray8,ptarray9

ptarray:

    dd  150,50
    dd  120,30
    dd  44,180
    dd  50,66
    dd  27,6
    dd  95,212
    dd  128,177
    dd  201,212
    dd  172,201
    dd  250,100
    dd  24,221
    dd  11,123
    dd  248,32
    dd  34,21
    dd  777     ; <- end of array

ptarray2:

    dd  0,0,50,50,100,100,150,150,200,200,250,250
    dd  50,150,150,50,200,100,100,200
    dd  777

ptarray3:

    dd  55,150,150,55,200,105,105,200
    dd  30,30,220,220
    dd  777

ptarray4:

    dd  196,0,196,64,196,128,196,196
    dd  64,32,64,96,64,150,64,228
    dd  777

ptarray5:

    dd  196,0,196,64,196,128,196,196
    dd  64,0,64,64,64,128,64,196
    dd  777

ptarray6:

    dd  49,49,128,50,210,50
    dd  50,128,128,128,210,128
    dd  50,210,128,210,210,210

    dd  777

ptarray7:

    dd  0,0
    dd  196,196,64,64
    dd  128,0
    dd  0,128
    dd  64,64,196,64
    dd  196,196,64,196
    dd  128,128

    dd  777

ptarray8:

    dd  0, 128
    dd  0, 128
    dd  128, 0
    dd  0, 128
    dd  128, 0
    dd  0, 128
    dd  128, 0
    dd  0, 128
    dd  128, 0
    dd  128, 128

    dd  777

ptarray9:


     dd  0,248,64,128,128,64,196,48,160,160,94,224,240,96,5,5,777


I_END:
sc system_colors

I_Param:

image: