mirror of
https://github.com/KolibriOS/kolibrios.git
synced 2024-12-24 23:56:49 +03:00
97d8594f28
Accepts @ss parameter to run as a screen saver. Written in UASM by 0CorErr. Translated to FASM by dunkaist. git-svn-id: svn://kolibrios.org@7723 a494cfbc-eb01-0410-851d-a64ba20cac60
380 lines
8.7 KiB
NASM
380 lines
8.7 KiB
NASM
;
|
|
; Newton fractal demo
|
|
;
|
|
; Written in UASM by 0CorErr
|
|
; Translated to FASM by dunkaist
|
|
;
|
|
|
|
use32
|
|
org 0
|
|
db 'MENUET01'
|
|
dd 0x01,start,i_end,e_end,e_end,params,0
|
|
|
|
include 'proc32.inc'
|
|
include 'macros.inc'
|
|
|
|
WS_DRAW_NOTHING = 0x0100_0000
|
|
WS_SKINNED_FIXED = 0x0400_0000
|
|
WS_BACKGROUND_NOREDRAW = 0x4000_0000
|
|
WS_COORD_CLIENT = 0x2000_0000
|
|
WS_CAPTION = 0x1000_0000
|
|
|
|
CS_MOVABLE = 0
|
|
|
|
WINDOW_STATE_ROLLED_UP = 4
|
|
|
|
WINDOW_BORDER_SIZE = 5
|
|
|
|
;COUNT = 16
|
|
COUNT = 100
|
|
|
|
struct TSize
|
|
SizeY dw ?
|
|
SizeX dw ?
|
|
ends
|
|
|
|
struct TBox
|
|
X dd ?
|
|
Y dd ?
|
|
SizeX dd ?
|
|
SizeY dd ?
|
|
ends
|
|
|
|
struct Complex
|
|
X dd ?
|
|
Y dd ?
|
|
ends
|
|
|
|
|
|
proc get_newton_fractal uses ebx edi, _width, _height
|
|
locals
|
|
Pow2_Z_X dd ?
|
|
Pow2_D_X dd ?
|
|
Pow2_T_Y dd ?
|
|
Pow2_T_X dd ?
|
|
P dd ?
|
|
N dd ?
|
|
YMax dd ?
|
|
XMax dd ?
|
|
Y dd ?
|
|
X dd ?
|
|
D Complex
|
|
T Complex
|
|
Z Complex
|
|
Buf dd ?
|
|
ImgH dd ?
|
|
ImgW dd ?
|
|
endl
|
|
mov eax, [_width]
|
|
mov [ImgW], eax
|
|
shr eax, 1
|
|
mov [XMax], eax
|
|
|
|
mov eax, [_height]
|
|
mov [ImgH], eax
|
|
shr eax, 1
|
|
mov [YMax], eax
|
|
|
|
mov eax, [ImgH]
|
|
dec eax
|
|
imul eax, [ImgW]
|
|
mov [line_shift], eax
|
|
|
|
; allocate buffer for image
|
|
mov ecx, [ImgW]
|
|
imul ecx, [ImgH]
|
|
mcall 68, 12,
|
|
mov [Buf], eax
|
|
|
|
mov edi, [Buf]
|
|
mov eax, [YMax]
|
|
neg eax
|
|
mov [Y], eax
|
|
.next_line:
|
|
mov eax, [XMax]
|
|
neg eax
|
|
mov [X], eax
|
|
.next_pixel:
|
|
mov [N], 0
|
|
fild [X]
|
|
fdiv [Float_250]
|
|
fstp [Z.X]
|
|
fild [Y]
|
|
fdiv [Float_250]
|
|
fstp [Z.Y]
|
|
mov eax, [Z.X]
|
|
mov ecx, [Z.Y]
|
|
mov [D.X], eax
|
|
mov [D.Y], ecx
|
|
@@:
|
|
fld [Z.X]
|
|
fmul st0, st0
|
|
fstp [Pow2_Z_X]
|
|
fld [Z.Y]
|
|
fmul st0, st0
|
|
fadd [Pow2_Z_X]
|
|
fcomp [Max]
|
|
fnstsw ax
|
|
;.Break .If !(ah & 1) ; >= Max
|
|
test ah, 1
|
|
jz @f
|
|
fld [D.X]
|
|
fmul st0, st0
|
|
fstp [Pow2_D_X]
|
|
fld [D.Y]
|
|
fmul st0, st0
|
|
fadd [Pow2_D_X]
|
|
fcomp [Min]
|
|
fnstsw ax
|
|
;.Break .If ah & 1 ; <= Min
|
|
test ah, 1
|
|
jnz @f
|
|
mov eax, [Z.X]
|
|
mov ecx, [Z.Y]
|
|
mov [T.X], eax
|
|
mov [T.Y], ecx
|
|
|
|
fld [T.X]
|
|
fmul st0, st0 ; Pow2_T_X = T.X * T.X
|
|
fstp [Pow2_T_X]
|
|
|
|
fld [T.Y]
|
|
fmul st0, st0
|
|
fst [Pow2_T_Y] ; Pow2_T_Y = T.Y * T.Y
|
|
fadd [Pow2_T_X]
|
|
fmul st0, st0
|
|
fstp [P] ; P = (Pow2_T_X + Pow2_T_Y) * (Pow2_T_X + Pow2_T_Y)
|
|
|
|
fld [Pow2_T_X]
|
|
fsub [Pow2_T_Y]
|
|
fld [Float_3]
|
|
fmul [P]
|
|
fxch st1
|
|
fdivrp ; Z.X = (Pow2_T_X - Pow2_T_Y) / (3 * P) + 2 * T.X / 3
|
|
fld [Float_2]
|
|
fmul [T.X]
|
|
fdiv [Float_3]
|
|
fxch st1
|
|
faddp
|
|
fstp [Z.X]
|
|
|
|
fld [P]
|
|
fsub [T.X]
|
|
fdiv [P]
|
|
fmul [T.Y] ; Z.Y = (P - T.X) / P * 2 * T.Y / 3
|
|
fmul [Float_2]
|
|
fdiv [Float_3]
|
|
fstp [Z.Y]
|
|
|
|
fld [T.X]
|
|
fsub [Z.X]
|
|
fabs
|
|
fstp [D.X]
|
|
|
|
fld [T.Y]
|
|
fsub [Z.Y]
|
|
fabs
|
|
fstp [D.Y]
|
|
|
|
inc [N]
|
|
cmp [N], COUNT
|
|
jbe @b
|
|
@@:
|
|
mov eax, [N]
|
|
mov ecx, palette_colors
|
|
xor edx, edx
|
|
div ecx
|
|
|
|
; Set next pixel
|
|
mov [edi], dl
|
|
mov eax, [line_shift]
|
|
mov [edi+eax], dl
|
|
inc edi
|
|
mov eax, [X]
|
|
inc eax
|
|
mov [X], eax
|
|
cmp eax, [XMax]
|
|
jnz .next_pixel
|
|
|
|
mov eax, [ImgW]
|
|
add eax, eax
|
|
sub [line_shift], eax
|
|
mov eax, [Y]
|
|
inc eax
|
|
mov [Y], eax
|
|
cmp eax, 0
|
|
jle .next_line
|
|
.done:
|
|
mov eax, [Buf]
|
|
ret
|
|
endp
|
|
|
|
|
|
start:
|
|
mcall 68, 11
|
|
cmp dword[params], '@ss'
|
|
setz [screensaver]
|
|
jnz .windowed
|
|
; fullscreen
|
|
mcall 14
|
|
movzx ecx, ax
|
|
shr eax, 16
|
|
mov [Window.SizeX], eax
|
|
mov [Window.SizeY], ecx
|
|
xor [window_style], WS_SKINNED_FIXED + WS_DRAW_NOTHING
|
|
mov [window_border_size], 0
|
|
mov [skin_height], 0
|
|
|
|
mov edi, transparent_cursor
|
|
xor eax, eax
|
|
mov ecx, 32*32
|
|
rep stosd
|
|
mcall 37, 4, transparent_cursor, 2
|
|
mov ecx, eax
|
|
mcall 37, 5
|
|
|
|
mov ebx, EVM_REDRAW + EVM_KEY + EVM_BUTTON + EVM_MOUSE
|
|
jmp .common
|
|
.windowed:
|
|
mcall 48, 4
|
|
mov [skin_height], eax
|
|
bt eax, 0
|
|
sbb [Window.SizeY], 0
|
|
mcall 14
|
|
movzx ecx, ax
|
|
shr eax, 16
|
|
sub eax, [Window.SizeX]
|
|
sub ecx, [Window.SizeY]
|
|
shr eax, 1
|
|
shr ecx, 1
|
|
mov [Window.X], eax
|
|
mov [Window.Y], ecx
|
|
|
|
mov ebx, EVM_REDRAW + EVM_KEY + EVM_BUTTON
|
|
.common:
|
|
mcall 40
|
|
|
|
mov ebx, [Window.SizeX]
|
|
inc ebx
|
|
sub ebx, [window_border_size]
|
|
sub ebx, [window_border_size]
|
|
mov ecx, [Window.SizeY]
|
|
inc ecx
|
|
sub ecx, [skin_height]
|
|
sub ecx, [window_border_size]
|
|
stdcall get_newton_fractal, ebx, ecx
|
|
mov [image], eax
|
|
|
|
.still:
|
|
; mcall 11
|
|
; dec eax
|
|
; jz .redraw
|
|
; jns .exit
|
|
; mcall 5, 10
|
|
mcall 10
|
|
dec eax
|
|
jnz .exit
|
|
.redraw:
|
|
mcall 12, 1
|
|
mcall 0, <[Window.X],[Window.SizeX]>, <[Window.Y],[Window.SizeY]>, [window_style], 0, window_title
|
|
mcall 9, proc_info, -1
|
|
test [proc_info.wnd_state], WINDOW_STATE_ROLLED_UP
|
|
jnz .no_draw
|
|
inc [proc_info.client_box.width]
|
|
inc [proc_info.client_box.height]
|
|
mcall 65, [image], <[proc_info.client_box.width],[proc_info.client_box.height]>, 0, 8, palette, 0
|
|
; call rotate_palette
|
|
.no_draw:
|
|
mcall 12, 2
|
|
jmp .still
|
|
.exit:
|
|
mcall -1
|
|
|
|
|
|
proc rotate_palette
|
|
mov esi, palette
|
|
mov edi, esi
|
|
mov ecx, palette_colors
|
|
.next_color:
|
|
mov ebx, 2
|
|
lodsd
|
|
.next_channel:
|
|
cmp [palette_rotate_direction+ebx], 1
|
|
jnz .down
|
|
.up:
|
|
add al, 1
|
|
jnc .ok
|
|
btc word[palette_rotate_direction+ebx], 0
|
|
sub al, 1
|
|
.down:
|
|
sub al, 1
|
|
jnc .ok
|
|
btc word[palette_rotate_direction+ebx], 0
|
|
add al, 2
|
|
.ok:
|
|
ror eax, 8
|
|
dec ebx
|
|
jns .next_channel
|
|
ror eax, 8
|
|
stosd
|
|
dec ecx
|
|
jnz .next_color
|
|
ret
|
|
endp
|
|
|
|
palette:
|
|
dd 0x00C5037D, 0x006D398B, 0x00454E99, 0x002A71AF, \
|
|
0x000696BB, 0x00008F5A, 0x008DBB25, 0x00F3E500, \
|
|
0x00FCC609, 0x00F28E1C, 0x00E96220, 0x00E32322
|
|
palette_colors = ($-palette)/4
|
|
|
|
; dd 0x00C21460, 0x008601AF, 0x004424D6, 0x000247FE, \
|
|
; 0x00347C98, 0x0066B032, 0x00B2D732, 0x00FEFE33, \
|
|
; 0x00FCCC1A, 0x00FB9902, 0x00FC600A, 0x00FE2712
|
|
|
|
; dd 0x00C21460, 0x008601AF, 0x004424D6, 0x00347C98, \
|
|
; 0x0066B032, 0x00B2D732, 0x00FCCC1A, 0x00FB9902, \
|
|
; 0x00FC600A
|
|
|
|
; dd 0x00C21460, 0x004424D6, 0x00347C98, 0x0066B032, \
|
|
; 0x00B2D732, 0x00FEFE33, 0x00FCCC1A, 0x00FC600A, \
|
|
; 0x00FE2712
|
|
|
|
; dd 0x00FE2712, 0x00FC600A, 0x00FCCC1A, 0x00FEFE33, \
|
|
; 0x00B2D732, 0x0066B032, 0x00347C98, 0x004424D6, \
|
|
; 0x00C21460
|
|
|
|
; dd 0x00347C98, 0x004424D6, 0x00C21460, 0x00FE2712, \
|
|
; 0x00FC600A, 0x00FCCC1A, 0x00FEFE33, 0x00B2D732, \
|
|
; 0x0066B032
|
|
|
|
Float_250 dd 250.0
|
|
Float_3 dd 3.0
|
|
Float_2 dd 2.0
|
|
|
|
;Max dd 10000.0
|
|
;Min dd 0.0001
|
|
Max dd 10000000.0
|
|
Min dd 0.0000001
|
|
|
|
Window TBox 0, 0, 320*3+1, 240*3+1
|
|
window_style dd WS_SKINNED_FIXED + WS_COORD_CLIENT + WS_CAPTION + \
|
|
WS_BACKGROUND_NOREDRAW
|
|
window_border_size dd WINDOW_BORDER_SIZE
|
|
image dd 0
|
|
line_shift dd 0
|
|
;palette_rotate_direction db 1, 0, 1, 0
|
|
window_title db "Newton fractal",0
|
|
|
|
i_end:
|
|
align 4
|
|
proc_info process_information
|
|
|
|
transparent_cursor rd 32*32
|
|
skin_height dd ?
|
|
screensaver db ?
|
|
params rb 0x400
|
|
align 4
|
|
rb 0x200
|
|
e_end:
|