WebSVN – Kolibri OS – Diff – /programs/demos/3DS/VIEW3DS.ASM

-; application : View3ds ver. 0.063 - tiny .3ds files viewer.
+; application : View3ds ver. 0.064 - tiny .3ds files viewer.
 ; compiler    : FASM
 ; system      : KolibriOS
 ; author      : Macgub aka Maciej Guba
 ; email       : macgub3@wp.pl
 ; web         : www.macgub.hekko.pl
 	sub	 esi,2
 	dec	 ecx
 	jnz	 .again_line_param
-	mov	eax,[edges_ptr]
+;        mov     eax,[edges_ptr]         ;   this not works correctly
-	add	eax,[edges_counter]
+;        add     eax,[edges_counter]     ;   I mean chosing overlapped  edges.
-	mov	bl,[eax]
+;        mov     bl,[eax]                ;
-	test	bl,00000001b
+;        test    bl,00000001b            ;
-	jz	@f
+;        jz      @f                      ;
 	mov	edi,screen
 	mov	esi,[Zbuffer_ptr]
 	push	[xx2]
 	call	smooth_line
      @@:
-	mov	eax,[edges_ptr]
+;        mov     eax,[edges_ptr]       ;  this not works correctly
-	add	eax,[edges_counter]
+;        add     eax,[edges_counter]
-	mov	bl,[eax]
+;        mov     bl,[eax]
-	test	bl,00000010b
+;        test    bl,00000010b
-	jz	@f
+;        jz      @f
 	mov	edi,screen
 	mov	esi,[Zbuffer_ptr]
 	call	smooth_line
       @@:
-	mov	eax,[edges_ptr]
+;        mov     eax,[edges_ptr]        ;  this not works correctly
-	add	eax,[edges_counter]
+;        add     eax,[edges_counter]    ;
-	mov	bl,[eax]
+;        mov     bl,[eax]               ;
-	test	bl,00000100b
+;        test    bl,00000100b           ;
-	jz	@f
+;        jz      @f                     ;
 	mov	edi,screen
 	mov	ecx,SIZE_X*SIZE_Y
 	rep	stosd
 ret
-read_from_file:
+read_tp_variables:	      ; read [triangles_count_var] and  [points_count_var]
-	fninit
-	mov	edi,[triangles_ptr]
+			      ; and  allocate memory
 	xor	ebx,ebx
 	xor	ebp,ebp
-	mov	[points_count_var],0
+	mov	[points_count_var],bx
-	mov	[triangles_count_var],0
+	mov	[triangles_count_var],bx
    if USE_LFN = 0
 	mov	esi,SourceFile
    else
 	mov	esi,[fptr]
    end if
 	cmp	[esi],word 4D4Dh
-	jne	.exit ;Must be legal .3DS file
+	je	@f ;Must be legal .3DS file
-;        cmp     dword[esi+2],EndFile-SourceFile
+	xor	eax,eax
+	ret
-;        jne     .exit ;This must tell the length
+    @@:
 	mov	eax,dword[esi+2]
-  ;      cmp     eax,[fsize]
+	cmp	eax,[fsize] ;This must tell the length
+	je	@f
-  ;      jne     .exit
+	xor	eax,eax
+	ret
+     @@:
 	add	eax,esi
 	mov	[EndFile],eax	 ;
-	add	esi,6
-	mov	eax,[edges_ptr]
+	add	esi,6
       @@:
 	cmp	[esi],word 3D3Dh
 	je	@f
 	add	esi,[esi+2]
 	mov	edx,ecx
 	add	esi,8
      @@:
-	push	edi
-	mov	edi,[points_ptr]
-	push	dword[esi+4]
-	pop	dword[edi+ebx*2+0]
-	push	dword[esi+8]
-	pop	dword[edi+ebx*2+4]
-	push	dword[esi+0]
-	pop	dword[edi+ebx*2+8]
-	pop	edi
-;        fld     dword[esi+4]
-;        fstp    dword[real_points+ebx*2+0]  ; x
-;        fld     dword[esi+8]
-;        fstp   dword[real_points+ebx*2+4]  ; y
-;        fld     dword[esi+0]
-;        fstp   dword[real_points+ebx*2+8]  ; z
 	add	ebx,6
 	add	esi,12
-	dec	ecx
+     ;   dec     ecx
-	jnz	@b
+	loop	 @b
-      @@:
-  ;      mov     dword[points+ebx],-1
-	push	edi
-	mov	edi,[points_ptr]
-	mov	dword[edi+ebx*2],-1	   ; end mark (not always in use)
+      @@:
 	pop	edi
       @@:
 	cmp	[esi],word 4120h
 	je	@f
 	add	esi,[esi+2]
 	jmp	@b
       @@:
 	movzx	ecx,word[esi+6]
 	add	[triangles_count_var],cx
-	add	esi,8
+	add	esi,8
 	;mov     edi,triangles
-      @@:
-	movsd
-	movsw
-	add	word[edi-6],bp
-	add	word[edi-4],bp
-	add	word[edi-2],bp
-	mov	dl,byte[esi]
-	mov	[eax],dl
-	inc	eax
+      @@:
-	add	esi,2
+	add	esi,8
 	dec	ecx
+	jnz	@b
-	jnz	@b
+;        xor     ecx,ecx
 	add	ebp,edx
 	jmp	.find4k
 	mov	eax,-1 ;<---mark if OK
-      .exit:
-	mov	dword[edi],-1
+      .exit:
 ret
+read_from_file:
-read_tp_variables:	      ; read [triangles_count_var] and  [points_count_var]
+	fninit
-			      ; and  allocate memory
+	mov	edi,[triangles_ptr]
 	xor	ebx,ebx
 	xor	ebp,ebp
-	mov	[points_count_var],bx
+	mov	[points_count_var],0
-	mov	[triangles_count_var],bx
+	mov	[triangles_count_var],0
    if USE_LFN = 0
 	mov	esi,SourceFile
    else
-	mov	esi,[fptr]
-   end if
+	mov	esi,[fptr]
+   end if
 	cmp	[esi],word 4D4Dh
-	je	@f ;Must be legal .3DS file
-	xor	eax,eax
+	jne	.exit ;Must be legal .3DS file
-	ret
+;        cmp     dword[esi+2],EndFile-SourceFile
-    @@:
+;        jne     .exit ;This must tell the length
-	mov	eax,dword[esi+2]
-	cmp	eax,[fsize] ;This must tell the length
+	mov	eax,dword[esi+2]
-	je	@f
+  ;      cmp     eax,[fsize]
-	xor	eax,eax
-	ret
+  ;      jne     .exit
      @@:
 	add	eax,esi
 	mov	[EndFile],eax	 ;
 	mov	edx,ecx
 	add	esi,8
      @@:
+	push	edi
+	mov	edi,[points_ptr]
+	push	dword[esi+4]
+	pop	dword[edi+ebx*2+0]
+	push	dword[esi+8]
+	pop	dword[edi+ebx*2+4]
+	push	dword[esi+0]
+	pop	dword[edi+ebx*2+8]
+	pop	edi
+;        fld     dword[esi+4]
+;        fstp    dword[real_points+ebx*2+0]  ; x
+;        fld     dword[esi+8]
+;        fstp   dword[real_points+ebx*2+4]  ; y
+;        fld     dword[esi+0]
+;        fstp   dword[real_points+ebx*2+8]  ; z
 	add	ebx,6
 	add	esi,12
-     ;   dec     ecx
+	dec	ecx
-	loop	 @b
+	jnz	@b
+      @@:
+  ;      mov     dword[points+ebx],-1
+	push	edi
+	mov	edi,[points_ptr]
-      @@:
+	mov	dword[edi+ebx*2],-1	   ; end mark (not always in use)
 	pop	edi
       @@:
 	cmp	[esi],word 4120h
 	je	@f
 	add	esi,[esi+2]
 	jmp	@b
       @@:
 	movzx	ecx,word[esi+6]
 	add	[triangles_count_var],cx
-	add	esi,8
+	add	esi,8
 	;mov     edi,triangles
+      @@:
+	movsd
+	movsw
+	add	word[edi-6],bp
+	add	word[edi-4],bp
-      @@:
+	add	word[edi-2],bp
-	add	esi,8
+	add	esi,2
 	dec	ecx
-	jnz	@b
-;        xor     ecx,ecx
+	jnz	@b
 	add	ebp,edx
 	jmp	.find4k
 	mov	eax,-1 ;<---mark if OK
+      .exit:
-      .exit:
+	mov	dword[edi],-1
 ret
 if USE_LFN
 	mov	edx,[triangles_ptr]
 	int	0x40		       ;  -> allocate memory to triangles
 	mov	[triangles_ptr], eax   ;  -> eax = pointer to allocated mem
-	mov	eax, 68
+;        mov     eax, 68
-	movzx	ecx, [triangles_count_var]
+;        movzx   ecx, [triangles_count_var]
-	inc	ecx
+;        inc     ecx
-	mov	edx,[edges_ptr]
+;        mov     edx,[edges_ptr]
-	int	0x40		       ;  -> allocate memory to edges
+;        int     0x40                   ;  -> allocate memory to edges
-	mov	[edges_ptr], eax   ;  -> eax = pointer to allocated mem
+;        mov     [edges_ptr], eax   ;  -> eax = pointer to allocated mem
-	mov	eax,-1			     ; fill edges list
+;        mov     eax,-1                       ; fill edges list
-	movzx	ecx,[triangles_count_var]    ; importand if object generated
+;        movzx   ecx,[triangles_count_var]    ; importand if object generated
-	shr	ecx,2
+;        shr     ecx,2
-	inc	ecx
+;        inc     ecx
-	mov	edi,[edges_ptr]
+;        mov     edi,[edges_ptr]
-	cld
+;        cld
-	rep	stosd
+;        rep     stosd
 ;        mov     eax, 68

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(root)/programs/demos/3DS/VIEW3DS.ASM @ 3066 – Rev 2984 → 3066