211 lines
3.4 KiB
NASM

; Originally written by Jarek Pelczar
include "..\..\macros.inc"
include "..\..\KOSfuncs.inc"
KOS_APP_START
WND_SIZE_X dd 640
WND_SIZE_Y dd 400
title db 'Plasma',0
CODE
mcall SF_SYS_MISC,SSF_HEAP_INIT
call OnResize
fninit
mcall SF_SET_EVENTS_MASK, 101b
call init_palette
call init_texture
jmp .paint_window
.event_loop:
mcall SF_WAIT_EVENT_TIMEOUT, 1
test eax,eax
je .draw_screen
dec eax
je .paint_window
mcall SF_TERMINATE_PROCESS
.draw_screen:
xor ebp,ebp
mov ecx,[WND_SIZE_X]
shl ecx,16
add ecx,[WND_SIZE_Y]
mcall SF_PUT_IMAGE_EXT, [virtual_screen_8],,0,8,_palette
call rotate_pal
jmp .event_loop
.paint_window:
mcall SF_REDRAW, SSF_BEGIN_DRAW
;if window resize
mcall SF_THREAD_INFO,procinfo,-1
cmp dword[procinfo.box.height],0
je .resize_end
mcall SF_STYLE_SETTINGS, SSF_GET_SKIN_HEIGHT
add eax,4
sub eax,[procinfo.box.height]
neg eax
cmp eax,[WND_SIZE_Y]
je .end_h
cmp eax,32 ;min height
jge @f
mov eax,32
@@:
mov [WND_SIZE_Y],eax
xor eax,eax
mov [WND_SIZE_X],eax
.end_h:
mov eax,[procinfo.box.width]
sub eax,9
cmp eax,[WND_SIZE_X]
je .resize_end
cmp eax,64 ;min width
jge @f
mov eax,64
@@:
mov [WND_SIZE_X],eax
call OnResize
call init_texture
.resize_end:
mcall SF_STYLE_SETTINGS, SSF_GET_SKIN_HEIGHT
lea ecx,[eax + (110 shl 16) + 4]
add ecx,[WND_SIZE_Y]
mov edi,title
mov ebx,[WND_SIZE_X]
add ebx,(110 shl 16)+9
mcall SF_CREATE_WINDOW,,,0x73000000
xor ebp,ebp
mov ecx,[WND_SIZE_X]
shl ecx,16
add ecx,[WND_SIZE_Y]
mcall SF_PUT_IMAGE_EXT, [virtual_screen_8],,0,8,_palette
mcall SF_REDRAW, SSF_END_DRAW
jmp .event_loop
align 4
OnResize:
mov ecx,[WND_SIZE_X]
imul ecx,[WND_SIZE_Y]
mcall SF_SYS_MISC,SSF_MEM_ALLOC,, [virtual_screen_8]
mov [virtual_screen_8],eax
ret
align 4
init_palette:
mov edi,_palette
mov ecx,64
xor eax,eax
.color1:
inc ah
mov al,ah
stosb
xor al,al
stosb
stosb
stosb
loop .color1
mov ecx,64
push ecx
xor eax,eax
.color2:
mov al,63
stosb
mov al,ah
stosb
xor al,al
stosb
stosb
inc ah
loop .color2
pop ecx
push ecx
xor eax,eax
.color3:
mov al,63
stosb
stosb
mov al,ah
stosb
mov al,0
stosb
inc ah
loop .color3
pop ecx
mov eax,0x003f3f3f
rep stosd
ret
init_texture:
fldpi
mov [_fpom16],180
fidiv [_fpom16]
fstp [_st_rad]
mov edi,[virtual_screen_8]
cdq
.itex_vertical:
xor ecx,ecx
fld [_st_rad]
mov [_fpom16],5
fimul [_fpom16]
mov [_fpom16],dx
fimul [_fpom16]
fsin
fmul [_multiplier]
fstp [_fpom32]
.itex_horizontal:
fld [_st_rad]
mov [_fpom16],3
fimul [_fpom16]
mov [_fpom16],cx
fimul [_fpom16]
fsin
fmul [_multiplier]
fadd [_fpom32]
mov [_fpom16],127
fiadd [_fpom16]
fistp [_fpom16]
mov ax,[_fpom16]
inc eax
stosb
inc ecx
cmp ecx,[WND_SIZE_X]
jne .itex_horizontal
inc edx
cmp edx,[WND_SIZE_Y]
jne .itex_vertical
ret
rotate_pal:
mov ebx,[_palette+4]
mov edi,_palette+4
mov esi,_palette+8
xor ecx,ecx
mov cl,255
; cld
rep movsd
mov [_palette+1020],ebx
ret
DATA
_multiplier dd 63.5
UDATA
_fpom32 rd 1
_fpom16 rw 1
_st_rad rd 1
_palette: rd 256
virtual_screen_8 rd 1
procinfo process_information
KOS_APP_END