forked from KolibriOS/kolibrios
754 lines
14 KiB
NASM
754 lines
14 KiB
NASM
;
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; application : Flag - Polonia in Tertio Millenium - wavy shading rotary area
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; compiler : FASM
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; system : MenuetOS
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; author : macgub
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; email : macgub3@wp.pl
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; web : www.menuet.xt.pl
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; Fell free to use this intro in your own distribution of MenuetOS.
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SIZE_X equ 220
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SIZE_Y equ 260
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TIMEOUT equ 1
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ROUND equ 12
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points_count equ 50
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triangles_count equ 54
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use32
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org 0x0
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db 'MENUET01' ; 8 byte id
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dd 0x01 ; header version
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dd START ; start of code
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dd I_END ; size of image
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dd I_END ; memory for app
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dd I_END ; esp
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dd 0x0 , 0x0 ; I_Param , I_Icon
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START: ; start of execution
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call draw_window
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; call generate_map
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still:
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mov eax,23 ; wait here for event with timeout
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mov ebx,TIMEOUT
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cmp [speed_flag],0xff
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jne speed_skip
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mov eax,11
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speed_skip:
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int 0x40
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cmp eax,1 ; redraw request ?
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je red
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cmp eax,2 ; key in buffer ?
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je key
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cmp eax,3 ; button in buffer ?
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je button
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jmp noclose
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red: ; redraw
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call draw_window
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jmp noclose
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key: ; key
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mov eax,2 ; just read it and ignore
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int 0x40
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jmp noclose
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button: ; button
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mov eax,17 ; get id
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int 0x40
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cmp ah,1 ; button id=1 ?
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jne shad_button
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mov eax,-1 ; close this program
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int 0x40
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shad_button:
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cmp ah,2
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jne speed_button
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not [shad_flag] ; set shadow / flag mode
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speed_button:
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cmp ah,3
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jne noclose
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not [speed_flag]
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noclose:
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call calculate_angle ; calculates sinus and cosinus
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call generate_map
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call copy_points
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call rotate_points
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call translate_points ; translate from 3d to 2d
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call clrscr ; clear the screen
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call sort_triangles
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call draw_triangles ; draw all triangles from the list
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mov eax,7 ; put image
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mov ebx,screen
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mov ecx,SIZE_X shl 16 + SIZE_Y
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mov edx,5 shl 16 + 20
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int 0x40
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jmp still
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generate_map:
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finit
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mov edi,points
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xor ebx,ebx ;z
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again_gen1:
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mov eax,70 ;x
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again_gen:
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mov word[edi],ax
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mov word[edi+4],bx
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fild word[edi]
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fidiv [i20]
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fadd [current_angle]
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fsin
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fimul [i20]
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fiadd [i75]
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fistp word [edi+2]
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; fild word[edi] ;another map generation
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; fisub [i100]
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; fidiv [i75]
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; fmul st,st0
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; fild word[edi+4]
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; fisub [i50]
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; fidiv [i20]
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; fmul st,st0
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; faddp
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; fsqrt
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; fadd [current_angle]
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; fsin
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; fimul [i20]
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; fiadd [i75]
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; fistp word[edi+2]
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add ax,10
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add edi,6
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cmp ax,170
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jne again_gen
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add bx,20
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cmp bx,100
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jne again_gen1
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mov dword[edi],0xffffffff
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ret
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i20 dw 20
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i50 dw 50
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i75 dw 75
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i100 dw 100
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sort_triangles:
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mov esi,triangles
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mov edi,triangles_with_z
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mov ebp,points_rotated
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make_triangle_with_z: ;makes list with triangles and z position
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xor eax,eax
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mov ax,word[esi]
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shl eax,1
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mov ebx,eax
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shl eax,1
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add eax,ebx
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push ebp
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add ebp,eax
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xor ecx,ecx
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mov cx,word[ebp+4]
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pop ebp
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xor eax,eax
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mov ax,word[esi+2]
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shl eax,1
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mov ebx,eax
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shl eax,1
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add eax,ebx
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push ebp
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add ebp,eax
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add cx,word[ebp+4]
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pop ebp
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xor eax,eax
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mov ax,word[esi+4]
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shl eax,1
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mov ebx,eax
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shl eax,1
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add eax,ebx
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push ebp
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add ebp,eax
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add cx,word[ebp+4]
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pop ebp
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mov ax,cx
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cwd
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idiv [i3]
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cld
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movsd ; store vertex coordinates
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movsw
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stosw ; middle vertex coordinate 'z' in triangles_with_z list
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cmp dword[esi],0xffffffff
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jne make_triangle_with_z
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movsd ; copy end mark
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;macro sort
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mov [sort_flag],1
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next_booble:
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mov esi,triangles_with_z ;sort list triangles_with_z booble metod
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cmp [sort_flag],0
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je end_sort
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mov [sort_flag],0
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check_and_check:
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; cmp dword[esi],0xffffffff
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; je next_booble
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cmp dword[esi+8],0xffffffff
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je next_booble
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mov ax,word[esi+6]
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cmp ax,word[esi+14]
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jge no_chg_pos
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mov eax,dword[esi]
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mov ebx,dword[esi+4]
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xchg eax,dword[esi+8]
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xchg ebx,dword[esi+12]
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mov dword[esi],eax
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mov dword[esi+4],ebx ; sort_flag=1 if change occured
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mov [sort_flag],1
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no_chg_pos:
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add esi,8
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jmp check_and_check ;check end mark end if greater
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end_sort:
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; translate triangles_with_z to sorted_triangles
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mov esi,triangles_with_z
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mov edi,sorted_triangles
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again_copy:
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movsd
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movsw
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add esi,2
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cmp dword[esi],0xffffffff
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jne again_copy
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movsd ; copy end mark too
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ret
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sort_flag db 0
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clrscr:
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mov edi,screen
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mov ecx,SIZE_X*SIZE_Y*3/4
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xor eax,eax
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cld
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rep stosd
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ret
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calculate_angle:
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finit
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fldpi
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fidiv [i180]
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fimul [angle_counter]
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fst [current_angle]
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fld st
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fidiv [i2]
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fsincos
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fstp [singamma]
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fstp [cosgamma]
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fsincos
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fstp [sinbeta]
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fstp [cosbeta]
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inc [angle_counter]
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cmp [angle_counter],360
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jne end_calc_angle
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mov [angle_counter],0
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end_calc_angle:
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ret
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i180 dw 90
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i2 dw 2
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rotate_points:
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finit ; y axle rotate
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mov ebx,points_rotated
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again_r:
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mov ax,word[ebx] ;x
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sub ax,[xo]
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mov [xsub],ax
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mov ax,word[ebx+4] ;z
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sub ax,[zo]
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mov [zsub],ax
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fld [sinbeta]
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fimul [zsub]
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fchs
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fld [cosbeta]
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fimul [xsub]
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faddp
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fiadd [xo]
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fistp word[ebx] ;x
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fld [sinbeta]
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fimul [xsub]
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;fchs
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fld [cosbeta]
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fimul [zsub]
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faddp
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fiadd [zo]
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fistp word[ebx+4] ;z
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mov ax,word[ebx+2] ;y ; z axle rotate
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sub ax,[yo]
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mov [ysub],ax
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mov ax,word[ebx] ;x
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sub ax,[xo]
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mov [xsub],ax
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fld [singamma]
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fimul[ysub]
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fld [cosgamma]
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fimul [xsub]
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faddp
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fiadd [xo]
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fistp word[ebx] ;x
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fld [cosgamma]
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fimul [ysub]
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fld [singamma]
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fimul [xsub]
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fchs
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faddp
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fiadd [yo]
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fistp word[ebx+2] ;y
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add ebx,6
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cmp dword[ebx],0xffffffff
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jne again_r
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ret
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xsub dw ?
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ysub dw ?
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zsub dw ?
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draw_triangles:
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mov [tr_counter],1
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mov ebp,points_rotated
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; mov esi,triangles
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mov esi,sorted_triangles
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again_dts:
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xor eax,eax
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mov ax,word[esi]
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shl eax,1
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mov [dtpom],eax
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shl eax,1
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add eax,[dtpom]
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push ebp
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add ebp,eax
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mov ax,word[ebp]
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mov [xx1],ax
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mov ax,word[ebp+2]
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mov [yy1],ax
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mov ax,word[ebp+4]
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mov [zz1],ax
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pop ebp
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xor eax,eax
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mov ax,word[esi+2]
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shl eax,1
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mov [dtpom],eax
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shl eax,1
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add eax,[dtpom]
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push ebp
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add ebp,eax
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mov ax,word[ebp]
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mov [xx2],ax
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mov ax,word[ebp+2]
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mov [yy2],ax
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mov ax,word[ebp+4]
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mov [zz2],ax
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pop ebp
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xor eax,eax
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mov ax,word[esi+4]
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shl eax,1
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mov [dtpom],eax
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shl eax,1
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add eax,[dtpom]
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push ebp
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add ebp,eax
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mov ax,word[ebp]
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mov [xx3],ax
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mov ax,word[ebp+2]
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mov [yy3],ax
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mov ax,word[ebp+4]
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mov [zz3],ax
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pop ebp
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push ebp
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push esi
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macro set_flag
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{
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mov edx,0x00ffffff
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inc [tr_counter]
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cmp [tr_counter],triangles_count/2
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jl skip_red
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set_red:
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mov edx,0x00ff0000
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skip_red:
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}
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mov ax,[zz1]
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add ax,[zz2]
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add ax,[zz3]
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cwd
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idiv [i3]
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sub ax,100 ;77
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; shl ax,1
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neg al
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xor edx,edx
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mov dh,al ;set color according to z position
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mov dl,al
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; push dx
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; shl edx,8
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; pop dx
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cmp [shad_flag],0
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je skip_col
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set_flag
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skip_col:
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mov ax,[xx1]
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shl eax,16
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mov ax,[yy1]
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mov bx,[xx2]
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shl ebx,16
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mov bx,[yy2]
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mov cx,[xx3]
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shl ecx,16
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mov cx,[yy3]
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mov edi,screen
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call draw_triangle
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pop esi
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pop ebp
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add esi,6
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cmp dword[esi],0xffffffff
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jne again_dts
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ret
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i3 dw 3
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tr_counter dw 0
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dtpom dd ?
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xx1 dw ?
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yy1 dw ?
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zz1 dw ?
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xx2 dw ?
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yy2 dw ?
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zz2 dw ?
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xx3 dw ?
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yy3 dw ?
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zz3 dw ?
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translate_points:
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finit
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mov ebx,points_rotated
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again_trans:
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fild word[ebx+4] ;z1
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fmul [sq]
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fld st
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fiadd word[ebx] ;x1
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fistp word[ebx]
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fchs
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fiadd word[ebx+2] ;y1
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fistp word[ebx+2] ;y1
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add ebx,6
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cmp dword[ebx],0xffffffff
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jne again_trans
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ret
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copy_points:
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mov esi,points
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mov edi,points_rotated
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mov ecx,points_count*3+2
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cld
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rep movsw
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ret
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draw_triangle:
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;----------in - eax - x1 shl 16 + y1
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;------------- -ebx - x2 shl 16 + y2
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;---------------ecx - x3 shl 16 + y3
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;---------------edx - color 0x00rrggbb
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;---------------edi - pointer to screen buffer
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@ch3:
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cmp ax,bx
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jg @ch1
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@ch4: ; sort parameters
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cmp bx,cx
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jg @ch2
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jle @chEnd
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@ch1:
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xchg eax,ebx
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jmp @ch4
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@ch2:
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xchg ebx,ecx
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jmp @ch3
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@chEnd:
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mov [@y1],ax ; ....and store to user friendly variables
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mov [@y2],bx
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mov [@y3],cx
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shr eax,16
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shr ebx,16
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shr ecx,16
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mov [@x1],ax
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mov [@x2],bx
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mov [@x3],cx
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mov [@col],edx
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cmp [@y1],0
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jl @end_triangle
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cmp [@y2],0
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jl @end_triangle
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cmp [@y3],0
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jl @end_triangle
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cmp [@x1],0
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jl @end_triangle
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cmp [@x2],0
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jl @end_triangle
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cmp [@x3],0
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jl @end_triangle
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cmp [@y1],SIZE_Y
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jg @end_triangle
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cmp [@y2],SIZE_Y
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jg @end_triangle
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cmp [@y3],SIZE_Y
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jg @end_triangle
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cmp [@x1],SIZE_X
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jg @end_triangle
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cmp [@x2],SIZE_X
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jg @end_triangle
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cmp [@x3],SIZE_X
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jg @end_triangle
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neg ax ; calculate delta 12
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add ax,bx
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cwde
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shl eax,ROUND
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cdq
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mov bx,[@y2]
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mov cx,[@y1]
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sub ebx,ecx
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cmp ebx,0
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jne @noZero1
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mov [@dx12],0
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jmp @yesZero1
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@noZero1:
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idiv ebx
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mov [@dx12],eax
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@yesZero1:
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mov ax,[@x3] ; calculate delta 13
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sub ax,[@x1]
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cwde
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shl eax,ROUND
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cdq
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xor ebx,ebx
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xor ecx,ecx
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or bx,[@y3]
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or cx,[@y1]
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sub ebx,ecx
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cmp ebx,0
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jne @noZero2
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mov [@dx13],0
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jmp @yesZero2
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@noZero2:
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idiv ebx
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mov [@dx13],eax
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@yesZero2:
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mov ax,[@x3] ; calculate delta 23 [dx23]
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sub ax,[@x2]
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cwde
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shl eax,ROUND
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cdq
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xor ebx,ebx
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xor ecx,ecx
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or bx,[@y3]
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or cx,[@y2]
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sub ebx,ecx
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cmp ebx,0
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jne @noZero3
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mov [@dx23],0
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jmp @yesZero3
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@noZero3:
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idiv ebx
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mov [@dx23],eax
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@yesZero3:
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xor eax,eax ;eax - xk1
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or ax,[@x1]
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shl eax,ROUND
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mov ebx,eax ; ebx - xk2
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xor esi,esi ; esi - y
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or si,[@y1]
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@next_line1:
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mov ecx,eax ; ecx - x11
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sar ecx,ROUND
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mov edx,ebx ;edx - x12
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sar edx,ROUND
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cmp ecx,edx
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jle @nochg
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xchg ecx,edx
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@nochg:
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pusha
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mov ebx,ecx
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sub edx,ecx
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mov ecx,edx
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mov edx,esi
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mov eax,[@col]
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call @horizontal_line
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popa
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add eax,[@dx13]
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add ebx,[@dx12]
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inc esi
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cmp si,[@y2]
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jl @next_line1
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xor esi,esi
|
|
or si,[@y2]
|
|
xor ebx,ebx
|
|
mov bx,[@x2]
|
|
shl ebx,ROUND
|
|
@next_line2:
|
|
mov ecx,eax
|
|
sar ecx,ROUND
|
|
mov edx,ebx
|
|
sar edx,ROUND
|
|
cmp ecx,edx
|
|
jle @nochg1
|
|
xchg ecx,edx
|
|
@nochg1:
|
|
pusha
|
|
mov eax,[@col]
|
|
mov ebx,ecx
|
|
sub edx,ecx
|
|
mov ecx,edx
|
|
mov edx,esi
|
|
call @horizontal_line
|
|
popa
|
|
add eax,[@dx13]
|
|
add ebx,[@dx23]
|
|
inc esi
|
|
cmp si,[@y3]
|
|
jl @next_line2
|
|
@end_triangle:
|
|
ret
|
|
@col dd ?
|
|
@y1 dw ?
|
|
@x1 dw ?
|
|
@y2 dw ?
|
|
@x2 dw ?
|
|
@y3 dw ?
|
|
@x3 dw ?
|
|
@dx12 dd ?
|
|
@dx13 dd ?
|
|
@dx23 dd ?
|
|
|
|
@horizontal_line:
|
|
;---------in
|
|
;---------eax - color of line, 0x00RRGGBB
|
|
;---------ebx - x1 - x position of line begin
|
|
;---------ecx - lenght of line
|
|
;---------edx - y position of line
|
|
;---------edi - pointer to buffer
|
|
jcxz @end_hor_l
|
|
push eax
|
|
mov eax,SIZE_X*3
|
|
mul edx
|
|
add edi,eax ; calculate line begin adress
|
|
add edi,ebx
|
|
shl ebx,1
|
|
add edi,ebx
|
|
pop eax
|
|
cld
|
|
@ddraw:
|
|
push eax
|
|
stosw
|
|
shr eax,16
|
|
stosb
|
|
pop eax
|
|
loop @ddraw
|
|
@end_hor_l:
|
|
ret
|
|
|
|
|
|
|
|
|
|
; *********************************************
|
|
; ******* WINDOW DEFINITIONS AND DRAW ********
|
|
; *********************************************
|
|
|
|
|
|
draw_window:
|
|
|
|
|
|
mov eax,12 ; function 12:tell os about windowdraw
|
|
mov ebx,1 ; 1, start of draw
|
|
int 0x40
|
|
|
|
; DRAW WINDOW
|
|
mov eax,0 ; function 0 : define and draw window
|
|
mov ebx,120*65536+SIZE_X+20 ; [x start] *65536 + [x size]
|
|
mov ecx,120*65536+SIZE_Y+45 ; [y start] *65536 + [y size]
|
|
mov edx,0x34000000 ; color of work area RRGGBB,8->color gl
|
|
;mov esi,0x805080d0 ; color of grab bar RRGGBB,8->color gl
|
|
mov edi,labelt ; color of frames RRGGBB
|
|
int 0x40
|
|
|
|
; flag color button
|
|
mov eax,8 ; function 8 : define and draw button
|
|
mov ebx,(SIZE_X-30)*65536+20 ; [x start] *65536 + [x size]
|
|
mov ecx,5*65536+12 ; [y start] *65536 + [y size]
|
|
mov edx,2 ; button id
|
|
mov esi,0x555555 ; button color RRGGBB
|
|
int 0x40
|
|
; spped button
|
|
mov eax,8 ; function 8 : define and draw button
|
|
mov ebx,(SIZE_X-60)*65536+20 ; [x start] *65536 + [x size]
|
|
mov ecx,5*65536+12 ; [y start] *65536 + [y size]
|
|
mov edx,3 ; button id
|
|
mov esi,0x555555 ; button color RRGGBB
|
|
int 0x40
|
|
|
|
mov eax,12 ; function 12:tell os about windowdraw
|
|
mov ebx,2 ; 2, end of draw
|
|
int 0x40
|
|
|
|
ret
|
|
|
|
|
|
; DATA AREA
|
|
angle_counter dw 0
|
|
sq dd 0.707
|
|
xo dw 110 ;87
|
|
zo dw 0
|
|
yo dw 125
|
|
shad_flag db 0
|
|
speed_flag db 0
|
|
|
|
triangles:
|
|
dw 0,1,10, 10,11,1, 1,2,11, 11,12,2, 2,3,12, 12,13,3, 3,4,13, 13,14,4, 4,5,14
|
|
dw 14,15,5, 5,6,15, 15,16,6, 6,7,16, 16,17,7, 7,8,17, 17,18,8, 8,9,18, 18,19,9
|
|
dw 10,11,20, 20,21,11, 11,12,21, 21,22,12, 12,13,22, 22,23,13, 13,14,23
|
|
dw 23,24,14, 14,15,24, 24,25,15, 15,16,25, 25,26,16, 16,17,26, 26,27,17
|
|
dw 17,18,27, 27,28,18, 18,19,28, 28,29,19, 20,21,30, 30,31,21, 21,22,31
|
|
dw 31,32,22, 22,23,32, 32,33,23, 23,24,33, 33,34,24, 24,25,34, 34,35,25
|
|
dw 25,26,35, 35,36,26, 26,27,36, 36,37,27, 27,28,37, 37,38,28, 28,29,38
|
|
dw 38,39,29
|
|
dd 0xffffffff ;<- end marker
|
|
|
|
|
|
|
|
labelt:
|
|
db '3d wavy rotaring area',0
|
|
labellen:
|
|
sinbeta rd 1
|
|
cosbeta rd 1
|
|
singamma rd 1
|
|
cosgamma rd 1
|
|
current_angle rd 1
|
|
|
|
points rw points_count*3 + 2
|
|
points_rotated rw points_count*3 + 2
|
|
triangles_with_z rw triangles_count*4 + 2 ; triangles triple dw + z position
|
|
sorted_triangles rw triangles_count*3 + 2
|
|
screen rb SIZE_X * SIZE_Y * 3 ; screen buffer
|
|
memStack rb 1000 ;memory area for stack
|
|
I_END:
|
|
|
|
|
|
|
|
|