648 lines
9.8 KiB
NASM
648 lines
9.8 KiB
NASM
;
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; 3D POLYGONAL CUBE - ASCL
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;
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; Pavlushin Evgeni
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; mail: waptap@mail.ru site: www.deck4.narod.ru
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;
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; Create on base 3D test sample
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; Mikolaj Felix mfelix@polbox.com
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;
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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 0x30000 ; memory for app
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dd 0x30000 ; esp
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dd 0x0 , 0x0 ; I_Param , I_Icon
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MAX_POINTS equ 8
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MAX_TRIANGLES equ 12
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SCREEN_X equ 320
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SCREEN_Y equ 200
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include 'lang.inc'
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include '..\..\..\macros.inc'
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;purge mov
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include 'ascl.inc'
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include 'ascgl.inc'
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START:
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init_sin_cos:
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finit
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fldz
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xor edi,edi
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mov ecx,512
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isc_make:
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fld st0
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fsincos
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fmul [fixed_point_const]
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fistp word [cos_table+edi]
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fmul [fixed_point_const]
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fistp word [sin_table+edi]
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fadd [inc_angle]
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add edi,2
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loop isc_make
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fstp st0
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red:
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call draw_window
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still:
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mov eax,11
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mcall
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dec eax
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; cmp eax,1 ; window redraw request ?
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jz red
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dec eax
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; cmp eax,2 ; key in buffer ?
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jz key
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dec eax
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; cmp eax,3 ; button in buffer ?
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jz button
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fps 220,8,cl_White,cl_Black
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main_loop:
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mov esi,object
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mov edi,object_rotated
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mov ecx,MAX_POINTS*3
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cld
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rep movsw
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mov esi,angle_x
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mov edi,object_rotated
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mov ecx,MAX_POINTS
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call rotate_points
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mov esi,object_rotated
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mov edi,object_translated
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mov ecx,MAX_POINTS
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call translate_points
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call draw_faces
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call clear_screen_buffer
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add [angle_x],2
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add [angle_y],3
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add [angle_z],1
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jmp still
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key:
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mov eax,2
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mcall
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jmp still
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button:
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mov eax,17
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mcall
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cmp ah,1
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jne still
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exit:
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mov eax,-1
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mcall
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;Draw window
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draw_window:
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mcall 12, 1 ;Start window redraw
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mcall 48, 4
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lea ecx, [100*65536+SCREEN_Y+4+eax]; [y start] *65536 + [y size] + [skin_height]
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xor eax, eax ;Draw window
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mov ebx,100*65536+(SCREEN_X+9) ;x start*65536+x size
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mov edx,0x54000000 ;0x03 use skinned window
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mov edi,title
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mcall
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mcall 12, 2 ;End window redraw
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ret
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title db '3D Cube Sample',0
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; Draw faces procedure
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draw_faces:
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mov esi,link
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mov ecx,MAX_TRIANGLES
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df_draw:
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push ecx
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mov ecx,3
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mov edi,@@tx1 ;bp
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df_get_point:
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movzx ebx, byte [esi]
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movzx eax, word [object_translated + ebx*4]
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stosd
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movzx eax, word [object_translated + ebx*4 + 2]
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stosd
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inc esi
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dec ecx
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jnz df_get_point
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mov eax,[@@ty1]
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sub eax,[@@ty3]
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mov ebx,[@@tx2]
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sub ebx,[@@tx1]
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imul ebx
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push eax
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mov eax,[@@tx1]
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sub eax,[@@tx3]
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mov ebx,[@@ty2]
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sub ebx,[@@ty1]
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imul ebx
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pop ebx
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sub ebx,eax
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jge df_next
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movzx eax, byte [esi]
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mov [@@xcol], eax
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call filled_triangle
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df_next:
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inc esi
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pop ecx
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dec ecx
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jnz df_draw
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ret
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;modify
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;include graphlib.asm
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clear_screen_buffer:
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;outscrbuf
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mcall 48, 4
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mov ebx,scrbuf
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mov ecx,SCREEN_X*65536+SCREEN_Y
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lea edx,[5*65536+eax]
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mov eax,7
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mcall
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;White background
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mov edi,scrbuf
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mov ecx,(SCREEN_X*SCREEN_Y*3)/4
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mov eax,0xfffffff0
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cld
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rep stosd
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ret
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;include triangle.asm
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; Mikolaj Felix 14/5/2001
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; mfelix@polbox.com
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;filled trangle procedure
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align 4
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@@tx1 dd 0
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@@ty1 dd 0
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@@tx2 dd 0
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@@ty2 dd 0
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@@tx3 dd 0
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@@ty3 dd 0
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@@xcol dd 0
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@@dx12 dd 0
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@@dx13 dd 0
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@@dx23 dd 0
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filled_triangle:
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mov eax,[@@xcol] ;trnsforming color
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mov bl,al ;byte bbbggrrx
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mov dl,al ;to 3 byte
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mov dh,al ;bbbxxxxx ggxxxxxx rrxxxxxx
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and dh,00000001b
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and al,11100000b
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and bl,00011000b
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and dl,00000110b
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shl bl,3
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shl dl,5
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cmp dh,1
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jne no_bitup
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or al,00011111b
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or bl,00111111b
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or dl,00111111b
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no_bitup:
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shl eax,8 ;puck colors
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mov al,bl
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shl eax,8
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mov al,dl
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mov dword [@@rgb],eax
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mov eax,[@@ty1]
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cmp eax,[@@ty3]
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jb ft_check1
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xchg eax,[@@ty3]
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mov [@@ty1],eax
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mov eax,[@@tx1]
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xchg eax,[@@tx3]
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mov [@@tx1],eax
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ft_check1:
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mov eax,[@@ty2]
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cmp eax,[@@ty3]
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jb ft_check2
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xchg eax,[@@ty3]
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mov [@@ty2],eax
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mov eax,[@@tx2]
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xchg eax,[@@tx3]
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mov [@@tx2],eax
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ft_check2:
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mov eax,[@@ty1]
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cmp eax,[@@ty2]
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jb ft_check3
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xchg eax,[@@ty2]
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mov [@@ty1],eax
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mov eax,[@@tx1]
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xchg eax,[@@tx2]
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mov [@@tx1],eax
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ft_check3:
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mov ebx,[@@ty2]
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sub ebx,[@@ty1]
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jnz ft_dx12_make
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mov [@@dx12],dword 0
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jmp ft_dx12_done
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ft_dx12_make:
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mov eax,[@@tx2]
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sub eax,[@@tx1]
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shl eax,7
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cdq
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idiv ebx
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mov [@@dx12],eax ; dx12 = (x2-x1)/(y2-y1)
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ft_dx12_done:
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mov ebx,[@@ty3]
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sub ebx,[@@ty1]
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jnz ft_dx13_make
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mov [@@dx13],dword 0
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jmp ft_dx13_done
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ft_dx13_make:
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mov eax,[@@tx3]
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sub eax,[@@tx1]
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shl eax,7
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cdq
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idiv ebx
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mov [@@dx13],eax ; dx13 = (x3-x1)/(y3-y1)
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ft_dx13_done:
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mov ebx,[@@ty3]
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sub ebx,[@@ty2]
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jnz ft_dx23_make
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mov [@@dx23],dword 0
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jmp ft_dx23_done
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ft_dx23_make:
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mov eax,[@@tx3]
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sub eax,[@@tx2]
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shl eax,7
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cdq
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idiv ebx
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mov [@@dx23],eax ; dx23 = (x3-x2)/(y3-y2)
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ft_dx23_done:
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mov eax,[@@tx1]
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shl eax,7
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mov ebx,eax
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mov ecx,[@@ty1]
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ft_loop1:
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pushad
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mov [@@ly],ecx
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mov edx,ebx
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shr edx,7
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mov [@@lx2],edx
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mov edx,eax
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shr edx,7
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mov [@@lx1],edx
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mov eax,[@@xcol]
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mov [@@lcol],eax
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call horizontal_line
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popad
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add eax,[@@dx13]
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add ebx,[@@dx12]
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inc ecx
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cmp ecx,[@@ty2]
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jb ft_loop1
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mov ebx,[@@tx2]
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shl ebx,7
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mov ecx,[@@ty2]
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ft_loop2:
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pushad
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mov [@@ly],ecx
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mov edx,ebx
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shr edx,7
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mov [@@lx2],edx
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mov edx,eax
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shr edx,7
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mov [@@lx1],edx
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mov eax,[@@xcol]
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mov [@@lcol],eax
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call horizontal_line
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popad
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add eax,[@@dx13]
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add ebx,[@@dx23]
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inc ecx
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cmp ecx,[@@ty3]
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jb ft_loop2
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ret
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;horizontal line subproc
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align 4
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@@lx1 dd 0
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@@lx2 dd 0
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@@ly dd 0
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@@lcol dd 0
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@@rgb dd 0
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horizontal_line:
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mov ecx,[@@lx1]
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sub ecx,[@@lx2]
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ja x12
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je ext
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; ret
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neg ecx
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mov edi,3
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jmp xx
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x12:
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mov edi,-3
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jmp xx
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ext:
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mov ecx,-1 ;1
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; sub ebp,3
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xx:
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mov eax,[@@ly]
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mov ebx,SCREEN_X ;320
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mul ebx
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add eax,[@@lx1]
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lea ebp,[eax*3-3] ; for delete white dots
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add ecx,2
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loo:
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mov eax,dword [@@rgb]
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mov bl,al
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shr eax,8 ;puck colors
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mov byte [scrbuf+ebp],ah
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mov byte [scrbuf+ebp+1],al
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mov byte [scrbuf+ebp+2],bl
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add ebp,edi
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dec ecx
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jnz loo
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ret
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;include fixed3d.asm
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; Mikolaj Felix 25/5/2001
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; mfelix@polbox.com
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;------------------------------------------------------------
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; ds:si - offset to angles
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; ds:di - offset to 3d points
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; cx - number of points
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;------------------------------------------------------------
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@@sin_x dw 0
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@@cos_x dw 0
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@@sin_y dw 0
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@@cos_y dw 0
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@@sin_z dw 0
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@@cos_z dw 0
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@@px equ word [edi]
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@@py equ word [edi+2]
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@@pz equ word [edi+4]
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rotate_points:
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push edi
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mov edi,@@sin_x
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mov edx,3
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rp_sin_cos:
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mov ebx, [esi]
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and ebx,511
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mov ax,word [sin_table+ebx*2]
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mov word [edi],ax
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mov ax,word [cos_table+ebx*2]
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mov word [edi+2],ax
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add esi,2
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add edi,4
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dec edx
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jnz rp_sin_cos
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pop edi
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rp_rotate:
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; rotate around x-axis
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mov ax,@@py
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imul [@@cos_x]
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mov bx,ax
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mov si,dx
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mov ax,@@pz
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imul [@@sin_x]
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sub bx,ax
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sbb si,dx
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shrd bx,si,14
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push bx
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mov ax,@@py
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imul [@@sin_x]
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mov bx,ax
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mov si,dx
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mov ax,@@pz
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imul [@@cos_x]
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add bx,ax
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adc si,dx
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shrd bx,si,14
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pop @@py
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mov @@pz,bx
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; rotate around y-axis
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mov ax,@@px
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imul [@@cos_y]
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mov bx,ax
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mov si,dx
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mov ax,@@pz
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imul [@@sin_y]
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sub bx,ax
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sbb si,dx
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shrd bx,si,14
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push bx
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mov ax,@@px
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imul [@@sin_y]
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mov bx,ax
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mov si,dx
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mov ax,@@pz
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imul [@@cos_y]
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add bx,ax
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adc si,dx
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shrd bx,si,14
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pop @@px
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mov @@pz,bx
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; rotate around z-axis
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mov ax,@@px
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imul [@@cos_z]
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mov bx,ax
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mov si,dx
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mov ax,@@py
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imul [@@sin_z]
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sub bx,ax
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sbb si,dx
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shrd bx,si,14
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push bx
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mov ax,@@px
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imul [@@sin_z]
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mov bx,ax
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mov si,dx
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mov ax,@@py
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imul [@@cos_z]
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add bx,ax
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adc si,dx
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shrd bx,si,14
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pop @@px
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mov @@py,bx
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add edi,6
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dec ecx
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jnz rp_rotate
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ret
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;------------------------------------------------------------
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; ds:si - offset to 3d points
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; es:di - offset to 2d points
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; cx - number of points
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;------------------------------------------------------------
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mx dw 0
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my dw 0
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translate_points:
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pushad
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mov eax,37
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mov ebx,1
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mcall
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mov ebx,eax
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shr eax,16
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and ebx,0xffff
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cmp ax,SCREEN_X
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jna x_n
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mov ax,0 ;SCREEN_X
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x_n:
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cmp bx,SCREEN_Y
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jna y_n
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mov bx,0 ;SCREEN_Y
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y_n:
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mov [mx],ax
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mov [my],bx
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popad
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movzx ebx,word [esi+4]
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mov ax,[my]
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cmp ax,0
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jng no_m
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shl ax,3
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add bx,ax
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no_m:
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add bx,256 ; Z factor (zoom)
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movsx eax,word [esi]
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shl eax,8
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cdq
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idiv ebx
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add eax,(SCREEN_X/2) ;160 ;X factor (center X)
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stosw
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movsx eax,word [esi+2]
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shl eax,8
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cdq
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idiv ebx
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add eax,(SCREEN_Y/2) ;100 ;Y factor (center Y)
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stosw
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add esi,6
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dec ecx
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jnz translate_points
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ret
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fixed_point_const dd 16384.0
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inc_angle dd 0.01227184630309 ; pi/256
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angle_x dw 0
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angle_y dw 0
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angle_z dw 0
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object dw -50,-50,-50, 50,-50,-50, 50,50,-50, -50,50,-50
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dw -50,-50, 50, 50,-50, 50, 50,50, 50, -50,50, 50
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link:
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db 0,1,2,10000011b, 0,2,3,10000011b ;purpure side
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db 5,4,7,00000111b, 5,7,6,00000111b ;soft-red side
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db 1,5,6,00011000b, 1,6,2,00011000b ;soft-lime side
|
|
db 4,0,3,11100001b, 4,3,7,11100001b ;soft-blue side
|
|
db 4,5,1,00011111b, 1,0,4,00011111b ;yellow side
|
|
db 3,2,6,00000000b, 3,6,7,00000000b ;black side
|
|
|
|
sin_table:
|
|
rw 512
|
|
cos_table:
|
|
rw 512
|
|
|
|
object_rotated:
|
|
rw MAX_POINTS*3
|
|
object_translated:
|
|
rw MAX_POINTS*2
|
|
|
|
scrbuf:
|
|
I_END: |