mirror of
https://github.com/KolibriOS/kolibrios.git
synced 2024-12-13 02:17:07 +03:00
176 lines
2.7 KiB
NASM
176 lines
2.7 KiB
NASM
include "lang.inc"
|
|
include "../../../macros.inc"
|
|
|
|
WND_SIZE_X = 320
|
|
WND_SIZE_Y = 200
|
|
|
|
VC_DELTA = 1
|
|
HC_DELTA = 2
|
|
|
|
MEOS_APP_START
|
|
CODE
|
|
fninit
|
|
call init_sinus_table
|
|
call init_background
|
|
call init_palette
|
|
mov eax,40
|
|
mov ebx,101b
|
|
mcall
|
|
jmp .paint_window
|
|
|
|
.event_loop:
|
|
mov eax,23
|
|
mov ebx,1
|
|
mcall
|
|
|
|
test eax,eax
|
|
je .draw_screen
|
|
dec eax
|
|
je .paint_window
|
|
|
|
or eax,-1
|
|
mcall
|
|
|
|
.draw_screen:
|
|
test [proc_info.wnd_state], 0x04
|
|
jnz .event_loop
|
|
add word [ver_counter],VC_DELTA
|
|
add word [hor_counter],HC_DELTA
|
|
call handle_animation
|
|
xor ebp,ebp
|
|
mcall 65,virtual_screen_8,<WND_SIZE_X,WND_SIZE_Y>,<0,0>,8,_palette
|
|
jmp .event_loop
|
|
|
|
.paint_window:
|
|
mcall 9,proc_info,-1
|
|
mov eax,12
|
|
mov ebx,1
|
|
mcall
|
|
|
|
mcall 48,4 ; get skin height
|
|
lea ecx,[eax + (100 shl 16) + WND_SIZE_Y+4]
|
|
mov edi,title
|
|
mcall 0,<100,WND_SIZE_X+9>,,0x74000000
|
|
|
|
test [proc_info.wnd_state], 0x04
|
|
jnz @f
|
|
|
|
xor ebp,ebp
|
|
mcall 65,virtual_screen_8,<WND_SIZE_X,WND_SIZE_Y>,<0,0>,8,_palette
|
|
@@:
|
|
mov eax,12
|
|
mov ebx,2
|
|
mcall
|
|
|
|
jmp .event_loop
|
|
|
|
init_palette:
|
|
mov ecx,256
|
|
mov edi,_palette
|
|
xor eax,eax
|
|
.next_pal:
|
|
mov al,ah
|
|
shr al,2
|
|
stosb
|
|
stosb
|
|
stosb
|
|
stosb
|
|
inc ah
|
|
loop .next_pal
|
|
ret
|
|
|
|
init_sinus_table:
|
|
sub esp,4
|
|
mov ecx,256
|
|
mov edi,sinetable
|
|
.sin_loop:
|
|
fld dword [esp]
|
|
fld st0
|
|
fsin
|
|
fmul [scale_sin]
|
|
fistp word [edi]
|
|
fadd [delta_angle]
|
|
fstp dword [esp]
|
|
add edi,2
|
|
loop .sin_loop
|
|
add esp,4
|
|
ret
|
|
|
|
init_background:
|
|
mov edi,background
|
|
xor edx,edx
|
|
.ib_vertical:
|
|
xor ecx,ecx
|
|
.ib_horizontal:
|
|
mov eax,ecx
|
|
xor eax,edx
|
|
stosb
|
|
inc ecx
|
|
cmp ecx,256
|
|
jne .ib_horizontal
|
|
inc edx
|
|
cmp edx,256
|
|
jne .ib_vertical
|
|
ret
|
|
|
|
s_OFFX = 0
|
|
s_OFFY = 2
|
|
|
|
handle_animation:
|
|
sub esp,4
|
|
mov ebx,[ver_counter]
|
|
and ebx,255
|
|
add ebx,ebx
|
|
mov ax,[sinetable+ebx]
|
|
mov [esp+s_OFFY],ax
|
|
mov ebx,[hor_counter]
|
|
and ebx,255
|
|
add ebx,ebx
|
|
mov ax,[sinetable+ebx]
|
|
mov [esp+s_OFFX],ax
|
|
mov edi,virtual_screen_8
|
|
mov edx,WND_SIZE_Y-1
|
|
.a_ver:
|
|
mov ecx,WND_SIZE_X-1
|
|
mov bx,[esp+s_OFFY]
|
|
add bx,dx
|
|
and ebx,255
|
|
shl ebx,8
|
|
.a_hor:
|
|
mov ax,[esp+s_OFFX]
|
|
add ax,cx
|
|
and eax,255
|
|
mov al,[background+ebx+eax]
|
|
stosb
|
|
dec ecx
|
|
jge .a_hor
|
|
dec edx
|
|
jge .a_ver
|
|
add esp,4
|
|
ret
|
|
|
|
DATA
|
|
delta_angle dd 0.0245436926066 ; pi/128
|
|
scale_sin dd 128.0
|
|
|
|
title db 'MoveBack',0
|
|
|
|
UDATA
|
|
ver_counter dd ?
|
|
hor_counter dd ?
|
|
|
|
_palette: rd 256
|
|
|
|
virtual_screen_8:
|
|
rb WND_SIZE_X*WND_SIZE_Y
|
|
|
|
background:
|
|
rb 256*256
|
|
|
|
sinetable:
|
|
rw 256
|
|
|
|
proc_info process_information
|
|
|
|
MEOS_APP_END
|