Subversion Repositories Kolibri OS

;

;    Crown_s Soft Screensaver v1.13m

;       WWW: http://www.crown-s-soft.com

;

;    You may add you own figures. See file FIGURES.INC

;

;    Compile with FASM v1.73 for Kolibri or hier

;

;    Copyright(c) 2002-2004 Crown_s Soft. All rights reserved.

;

fullscreen = 1

n_points = 0x1800

delay = 2

const480 = 480

speed equ 0.004

macro align value { rb (value-1) - ($ + value-1) mod value }

use32

	       org    0x0

	       db     'MENUET01'	      ; 8 byte id

	       dd     0x01		      ; header version

	       dd     start		      ; start of code

	       dd     i_end		      ; size of image

	       dd     i_end+0x1000	      ; memory for app

	       dd     i_end+0x1000	      ; esp

	       dd     params		      ; I_Param

	       dd     0x0		      ; I_Icon

copyright db   'Crown_s Soft(c) Screensaver - www.crown-s-soft.com',0

copyrightlen:

include "lang.inc"

include "figuresi.inc"

include "..\..\..\macros.inc"

include "..\..\..\KOSfuncs.inc"

start:

    cmp     dword[params], '@ss'

    setz    [screensaver]

    mov     ebx, EVM_REDRAW + EVM_KEY + EVM_BUTTON

    cmovz   ebx, EVM_REDRAW + EVM_KEY + EVM_BUTTON + EVM_MOUSE

    mcall   SF_SET_EVENTS_MASK

    cmp [flscr],0

    jz @f

    mov     edi, transparent_cursor

    xor     eax, eax

    mov     ecx, 32*32

    rep     stosd

    mcall   SF_MOUSE_GET, SSF_LOAD_CURSOR, transparent_cursor, 2

    mov     ecx, eax

    mcall   SF_MOUSE_GET, SSF_SET_CURSOR

@@:

    cld

    finit

    call filling_alfbet ; fill table alfbet by casual numbers

    mov eax,[tabl_calls]

    mov [pp1adr],eax

    cmp [flscr],0

    jz	nofullscreen

      mcall SF_GET_SCREEN_SIZE

      mov  [maxy],ax

      sub  ax,const480

      jnc m5

	xor ax,ax

      m5:

      shr  ax,1

      mov  [posy],ax

      shr  eax,16

      mov  [maxx],ax

      sub  ax,const480

      jnc m6

	xor ax,ax

      m6:

      shr  ax,1

      mov  [posx],ax

      mov  [outsize],const480+65536*const480

    jmp m4

    nofullscreen:

      mov  [posx],75

      mov  [posy],20

      mov  [outsize],const480+65536*const480

    m4:

red:

    call draw_window

still:

    mcall SF_WAIT_EVENT_TIMEOUT, delay			; wait here for event

    cmp  eax,1			; redraw request ?

    je	 red

    cmp  eax,2			; key in buffer ?

    je	 key

    cmp  eax,3			; button in buffer ?

    je	 close

    cmp  eax,6			; mouse moved ?

    je	 close

    call calcframe

    mov  eax,SF_PUT_IMAGE

    mov  ebx,scr	      ; ebx pointer to image in memory

    mov  ecx,[outsize]	      ; ecx=image position in window [w]*65536+[h]

    mov  edx,dword [posy]     ; edx=image position in window [x]*65536+[y]

    mcall

jmp  still

key:

	cmp  [screensaver], 0

	jnz  close

    mcall SF_GET_KEY

    cmp  al,1			; is key in buffer ?

    jz	 still

    cmp  ah,0x1B		; is key ESC ?

    jz	 close

jmp  still

close:

    cmp     [screensaver], 0

    jz      @f

    mcall   SF_FILE, f70

  @@:

    mcall   SF_TERMINATE_PROCESS

;   *********************************************

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

;   *********************************************

draw_window:

    mcall SF_REDRAW, SSF_BEGIN_DRAW ;start draw

    cmp  [flscr],0

    jnz  m2

      mcall SF_STYLE_SETTINGS, SSF_GET_SKIN_HEIGHT

      mov  esi, eax

                                   ; DRAW WINDOW

      mov  ecx,100*65536+const480+4         ; [y start] *65536 + [y size]

      add  ecx, esi

      mcall SF_CREATE_WINDOW, 100*65536+const480+9,,0x74000000,,copyright

    jmp m3

    m2:

      movzx  ebx,[maxx] 	     ; [x start] *65536 + [x size]

      movzx  ecx,[maxy] 	     ; [y start] *65536 + [y size]

      mov  edx,0x01000000	     ; color of work area RRGGBB,8->color gl

      mov  esi,0x805080d0	     ; color of grab bar  RRGGBB,8->color gl

      mov  edi,0x005080d0	     ; color of frames    RRGGBB

      xor  eax,eax		     ; function 0 : define and draw window

      mcall

      inc bx

      inc cx

      mcall SF_DRAW_RECT

    m3:

    mcall SF_REDRAW, SSF_END_DRAW ;end draw

ret

calcframe:

     cld

     mov  edi,scr

     mov  ecx,const480*const480*3/4

     xor  eax,eax

     rep stosd	   ; CLS

     mov  ebx,[frame]

     not  bh

     test bh,03h

     not  bh

     jnz  lb1

       ; ebx=xxxx xxxx  xxxx xxxx  xxxx xx11  xxxx xxxxb

       mov  byte [p],bl

     lb1:

     test  bx,03ffh

     jnz  lb2

       ; ebx=xxxx xxxx  xxxx xxxx  xxxx xx00  0000 0000b

       mov [p],0

       mov  eax,[pp1adr]

       mov  [pp0adr],eax

       inc [pp1]

       cmp [pp1],num_tabl_calls

       jnz lb3

	 mov [pp1],0

       lb3:

       movzx eax,[pp1]

       mov  eax,[tabl_calls+eax*4]

       mov  [pp1adr],eax

     lb2:

     fild  [frame]    ; st0=STime

     fmul  [speed1]   ; st0=STime*Speed

     fst   [bt_r]     ; al_rSTime*Speed

     fadd  st0,st0

     fstp  [al_r]     ; al_rSTime*Speed*2

     mov   [Fl],0

     mov ecx,[mFl]

     mov esi,alfbet

     ckl1:

       call [pp0adr]

       cmp  [p],0

       jz  lb4

	 fstp [x1]

	 fstp [y1]

	 fstp [z1]

	 call [pp1adr]

	 call mix

       lb4:

       call turn

       add  esi,4

       inc  [Fl]

     loop ckl1

     inc ebx

     mov [frame],ebx

ret

; turn coordinate system

turn:

  ; around Y

  ;  x= x*cos(a)-z*sin(a)

  ;  y= y

  ;  z= x*sin(a)+z*cos(a)

  fld  st2	; st0=z  st1=x  st2=y  st3=z

  fld  st1	; st0=x  st1=z  st2=x  st3=y  st4=z

  fld  [al_r]	; st0=a  st1=x  st2=z  st3=x  st4=y  st5=z

  fsincos	; st0=cos(a)  st1=sin(a)  st2=x  st3=z  st4=x  st5=y  st6=z

  fmul	st4,st0

  fmulp st6,st0 ; st0=sin(a)  st1=x  st2=z  st3=x*cos(a)  st4=y  st5=z*cos(a)

  fmul	st2,st0

  fmulp st1,st0 ; st0=x*sin(a)  st1=z*sin(a)  st2=x*cos(a) st3=y st4=z*c

  faddp st4,st0

  fsubp st1,st0

  ; around X

  ;  x=x

  ;  y= y*cos(b)+z*sin(b)

  ;  z=-y*sin(b)+z*cos(b)

  fld  st2	; st0=z  st1=x  st2=y  st3=z

  fld  st2	; st0=y  st1=z  st2=x  st3=y  st4=z

  fld  [bt_r]	; st0=b  st1=y  st2=z  st3=x  st4=y  st5=z

  fsincos	; st0=cos(b)  st1=sin(b)  st2=y  st3=z  st4=x  st5=y  st6=z

  fmul	st5,st0

  fmulp st6,st0 ; st0=sin(b)  st1=y  st2=z  st3=x  st4=y*cos(b)  st5=z*cos(b)

  fmul	st2,st0

  fmulp st1,st0 ; st0=y*sin(b) st1=z*sin(b) st2=x st3=y*cos(b) st4=z*cos(b)

  fsubp st4,st0 ; st0=z*sin(b)  st1=x  st2=y*cos(b)  st3=z*cos(b)-y*sin(b)

  faddp st2,st0

  ; st0=x  st1=y  st2=z

  fistp [x1]

  fistp [y1]

  fmul	  [Zdepth]   ; st0=z*Zdepth

  fiadd   [Zcolor]   ; st0=z*Zdepth+Zcolor

  fistp   [z_w]      ; st0z*Zdepth+Zcolor

  push edx

  mov  eax,[x1]

  add  eax,[mid]

  mul  [consts]

  add  eax,[y1]

  add  eax,[mid]

  mul  [const3]

  mov  dl,byte [z_w]	  ; al=ZZ

  mov  [scr+0+eax],dl

  mov  [scr+1+eax],dl

  mov  [scr+2+eax],dl

  pop  edx

ret

mix:

  fild	[p]	  ; st0=p

  fmul	[mp]	  ; st0=p=p*mp

  fld	st0	  ; st0=p  st1=p

  fmul	st4,st0

  fmul	st3,st0

  fmulp st2,st0   ; st0=p    st1=x*p  st2=y*p  st3=z*p

  fld1

  fsubrp st1,st0  ; st0=1-p  st1=x*p  st2=y*p  st3=z*p

  fld	 [z1]	  ; st0=z1   st1=1-p  st2=x*p  st3=y*p  st4=z*p

  fmul	st0,st1

  faddp st4,st0

  fld	 [y1]	  ; st0=y1   st1=1-p  st2=x*p  st3=y*p  st4=

  fmul	st0,st1

  faddp st3,st0

  fld	 [x1]	  ; st0=x1   st1=1-p  st2=x*p  st3=y*p+y1*(1-p)  st4=

  fmulp st1,st0   ; st0=x1*(1-p)      st1=x*p  st2=y*p+y1*(1-p)  st3=

  faddp st1,st0   ; st0=x=x*p+x1*(1-p)  st1=y=y*p+y1*(1-p)  st2=z

ret

filling_alfbet:

     ; Initialize RND

     mcall SF_GET_SYS_TIME

     ; eax - fist random number

     mov   ecx,n_points

     mov   edi,alfbet

     mov   ebx,8088405h

     ck2:

       stosd

       ; Compute next random number

       ; New := 8088405H * Old + 1

       mul   ebx

       inc   eax

     loop ck2

ret

; DATA AREA

align 2

  frame   dd	 0

  mp	  dd	 0.00390625

  n_r	  dd	 0.00390625

  mal_r   dd	 6.28318530717958648

  mbt_r   dd	 6.28318530717958648

  const3   dd	 3

  const6   dw	 6

  consts   dd    const480

  mFl	  dd	 n_points

  pp1	  dw	 0

  Zdepth  dd	 0.3

  Zcolor  dw	 140

  mid	  dd	 240   ; centre of screen

  speed1  dd	 speed

  flscr   db	 fullscreen

  align 4

  outsize dd	 ?

  posy	  dw	 ?

  posx	  dw	 ?

  maxy	  dw	 ?

  maxx	  dw	 ?

  Fl	  dd	 ?

  p	  dd	 ?

  al_r	  dd	 ?

  bt_r	  dd	 ?

  pp0adr  dd	 ?

  pp1adr  dd	 ?

  z_w	  dw	 ?

  x1	  dd	 ?

  y1	  dd	 ?

  z1	  dd	 ?

f70:    ; run

        dd SSF_START_APP, 0, 0, 0, 0

        db '/sys/@SS',0

screensaver db ?

params rb 4

transparent_cursor rd 32*32

align 16

  alfbet:		  ; alfbet  db  n_points*4  dup (?)

  scr = alfbet+n_points*4   ; scr     db  480*480*3+1 dup (?)

  i_end = scr+const480*const480*3+1 ; i_param db  256         dup (?)