WebSVN – Kolibri OS – Blame – /programs/demos/3DS/B_PROCS.INC

Rev	Author	Line No.	Line
1245	hidnplayr	1	;init_envmap_cub2:
		2	; mov esi,envmap
		3	; mov edi,envmap_cub ;take cubic env. map from
		4	; xor eax,eax ;spherical env. map
		5	; @@:
		6	; add esi,eax
		7	; movsd
		8	; dec edi
		9	; dec esi
		10	; add esi,511*3
		11	; add eax,3
		12	; cmp eax,511*3
		13	; jl @b
		14	;ret
		15	init_envmap_cub: ; create 512x512 env map
		16	.temp equ word [ebp-2]
		17	push ebp
		18	mov ebp,esp
		19	sub esp,2
		20	mov edi,envmap_cub
		21	fninit
		22
		23	mov cx,-256
		24	.ie_hor:
		25	mov .temp,cx
		26	fild .temp
		27	fabs
		28	; fmul st,st0
		29	; fsqrt
		30	mov .temp,255
		31	fisubr .temp
		32	fmul [env_const]
		33	fistp .temp
		34	mov ax,.temp
		35
		36	or ax,ax
		37	jge .ie_ok1
		38	xor ax,ax
		39	jmp .ie_ok2
		40	.ie_ok1:
		41	cmp ax,255
		42	jle .ie_ok2
		43	mov ax,255
		44	.ie_ok2:
		45	stosb
		46	stosb
		47	stosb
		48
		49	inc cx
		50	cmp cx,256
		51	jne .ie_hor
		52
		53	mov esp,ebp
		54	pop ebp
		55	ret
		56
		57	calc_one_col:
		58	; procedure don't save registers !!!
		59	; in - st - dot_product
		60	; stack - other parameters
		61	; out - eax - 0x00rrggbb
		62	.dot_prd equ dword[ebp+4] ; dot product - cos x - not now
		63	.min_col_r equ word[ebp+8] ; minimum color - ambient
		64	.min_col_g equ word[ebp+10]
		65	.min_col_b equ word[ebp+12]
		66	.max_col_r equ word[ebp+14] ; maximum color - specular
		67	.max_col_g equ word[ebp+16]
		68	.max_col_b equ word[ebp+18]
		69	.org_col_r equ word[ebp+20] ; orginal color - diffuse
		70	.org_col_g equ word[ebp+22]
		71	.org_col_b equ word[ebp+24]
		72	.n equ word[ebp+26] ; shines - not implemented
		73	.temp equ word[ebp-2]
		74	.color_sum_r equ dword[ebp-6]
		75	.color_sum_g equ dword[ebp-10]
		76	.color_sum_b equ dword[ebp-14]
		77	; color = ambient+cos(x)diffuse+(cos(x)^n)specular
		78	mov ebp,esp
		79	sub esp,14
		80
		81	mov ax,.min_col_r
		82	add ax,.max_col_r
		83	add ax,.org_col_r
		84	cwde
		85	mov .color_sum_r,eax
		86
		87	mov ax,.min_col_g
		88	add ax,.max_col_g
		89	add ax,.org_col_g
		90	cwde
		91	mov .color_sum_g,eax
		92
		93	mov ax,.min_col_b
		94	add ax,.max_col_b
		95	add ax,.org_col_b
		96	cwde
		97	mov .color_sum_b,eax
		98
		99
		100	; fld .dot_prd
		101	; fild .n
		102	; fxch st1
		103	; fabs
		104	; fyl2x ;
		105	; f2xm1
		106	; fld1
		107	; faddp ; st = dot_product ^ n
		108
		109	fld st ; copy dot pr
		110	fmul st,st0
		111	fmul st,st0
		112	fmul st,st0
		113	cmp .n,255 ; .n = 255 -> spot light
		114	jne @f
		115	fmul st,st0
		116	fmul st,st0
		117	fmul st,st0
		118	@@:
		119	fld st ; st0=st1=dot_pr^n, st2=dot_pr
		120	fimul .max_col_b
		121	fild .org_col_b
		122	fmul st,st3
		123	faddp ; st0=first piece of col, st1=dot_pr^n..
		124	fiadd .min_col_b
		125	fimul .max_col_b
		126	fidiv .color_sum_b
		127	fistp .temp
		128	movzx eax,.temp
		129	shl eax,16
		130
		131	fld st
		132	fimul .max_col_g
		133	fild .org_col_g
		134	fmul st,st3
		135	faddp
		136	fiadd .min_col_g
		137	fimul .max_col_g
		138	fidiv .color_sum_g
		139	fistp .temp
		140	mov ax,.temp
		141	mov ah,al
		142	shl eax,8
		143
		144	fimul .max_col_r
		145	fild .org_col_r
		146	fmulp st2,st
		147	faddp
		148	fiadd .min_col_r
		149	fimul .max_col_r
		150	fidiv .color_sum_r
		151	fistp .temp
		152	mov ax,.temp ;eax - 0xbbgg00rr
		153	; mov ah,al
		154	ror eax,16
		155	xchg al,ah ; eax - 0x00rrggbb
		156	mov esp,ebp
		157	ret 24
		158
		159	calc_bumpmap: ; calculate random bumpmap
		160	;--------------in edi _ pointer to TEX_X x TEX_Y bumpmap
		161
		162	push edi
		163
		164	cmp [bumps_flag],0
		165	je .random_bump_map
		166	; else bumps according to texture
		167	mov esi,texmap
		168	mov ecx,TEXTURE_SIZE
		169	@@:
		170	movzx ax,byte[esi]
		171	movzx bx,byte[esi+1]
		172	movzx dx,byte[esi+2]
		173	add ax,bx
		174	add ax,dx
		175	cwd
		176	div [i3]
		177	stosb
		178	add esi,3
		179	loop @b
		180	jmp .blur_map
		181	; push ecx
		182	; mov eax,0x88888888
		183	; mov ecx,16/4
		184	; rep stosd
		185	; mov eax,0xffffffff
		186	; mov ecx,16/4
		187	; rep stosd
		188	; pop ecx
		189	; loop @b
		190	.random_bump_map:
		191
		192	mov ecx,TEXTURE_SIZE
		193	@@:
		194	push ecx
		195	xor ecx,ecx
		196	mov edx,255
		197	call random
		198	stosb
		199	pop ecx
		200	loop @b
		201
		202	.blur_map:
		203	pop edi
		204	movzx ecx,[bumps_deep_flag]
		205	inc cx
		206	.blur:
		207	xor esi,esi
		208	mov edx,TEXTURE_SIZE
		209	xor eax,eax
		210	xor ebx,ebx
		211	@@:
		212	mov ebp,esi
		213	dec ebp
		214	and ebp,TEXTURE_SIZE
		215	mov al,byte[ebp+edi]
		216
		217	mov ebp,esi
		218	inc ebp
		219	and ebp,TEXTURE_SIZE
		220	mov bl,byte[ebp+edi]
		221	add eax,ebx
		222
		223	mov ebp,esi
		224	sub ebp,TEX_X
		225	and ebp,TEXTURE_SIZE
		226	mov bl,byte[ebp+edi]
		227	add eax,ebx
		228
		229	mov ebp,esi
		230	add ebp,TEX_X
		231	and ebp,TEXTURE_SIZE
		232	mov bl,byte[ebp+edi]
		233	add eax,ebx
		234
		235	shr eax,2
		236	mov byte[esi+edi],al
		237
		238	inc esi
		239	dec edx
		240	jnz @b
		241
		242	loop .blur
		243	ret
		244	random:
		245	; in - ecx - min
		246	; edx - max
		247	; out - eax - random number
		248	mov bx,[rand_seed]
		249	add bx,0x9248
		250	ror bx,3
		251	mov [rand_seed],bx
		252
		253	mov ax,dx
		254	sub ax,cx
		255	mul bx
		256	mov ax,dx
		257	add ax,cx
		258	cwde
		259	ret
		260
		261	optimize_object1: ; setting point (0,0,0) in center of object
		262	; recalculate all coords , scale object,
		263	;the coords in <-1.0,1.0>
		264	;in : real_points - table filled of real float dd coordinates (x,y,z), end mark dd -1
		265	; _ global variable
		266	; points_count_var - dw integer variable with exactly points count
		267	; - global variable
		268	; SIZE_X, SIZE_Y must be defined
		269
		270	.max equ dword[ebp-4]
		271	.min equ dword[ebp-8]
		272	.maxxx equ dword[ebp-12]
		273	.center equ dword[ebp-16]
		274
		275	mov ebp,esp
		276	sub esp,16
		277	fninit
		278	mov .maxxx,0
		279	mov ecx,3
		280	xor ebx,ebx ; ebx - x,y,z coord in real_points list
		281	.next_c: ; max/min/center x,y,z
		282	mov edi,[points_ptr] ; in real_point list minimum two points
		283	mov dx,[points_count_var]
		284	fld dword[edi+ebx]
		285	fst .max
		286	fstp .min
		287	add edi,12
		288	dec dx
		289	.next_coord: ; next coord from real_points list
		290	fld dword [edi+ebx] ; real_points -> x,y,z
		291	fcom .max ; max_x,y,z
		292	fstsw ax
		293	sahf
		294	jbe @f ; jmp less equal
		295	fstp .max ; new max_x,y,z
		296	jmp .end_coords
		297	@@:
		298	fcom .min ; min_x,y,z
		299	fstsw ax
		300	sahf
		301	jnbe @f ; jmp greater
		302	fst .min ; new min_x
		303	@@:
		304	ffree st
		305	.end_coords:
		306	add edi,12
		307	; cmp dword[edi],-1 ; cmp with end mark
		308	dec dx
		309	jnz .next_coord
		310	; ok after this we found max_coord and min_coord
		311	fld .max ; find center point
		312	fadd .min
		313	fld1
		314	fld1
		315	faddp
		316	fdivp st1,st ; st0 - center coord
		317	fstp .center
		318
		319	fld .max
		320	fsub .center ; st = .max - .center
		321	fcom .maxxx ; maximum of all .max
		322	fstsw ax
		323	sahf
		324	jbe @f ; jmp lower
		325	fst .maxxx ; new maxx
		326	@@:
		327	ffree st
		328	mov edi,[points_ptr]
		329	mov dx,[points_count_var] ; substraction all coords - center point
		330	@@:
		331	fld dword[edi+ebx]
		332	fsub .center
		333	fstp dword[edi+ebx]
		334	add edi,12
		335	; cmp dword[edi],-1
		336	; jne @b
		337	dec dx
		338	jnz @b
		339
		340	add ebx,4 ; ebx - x,y,z cooficientes in list real_points
		341	dec ecx
		342	jnz .next_c
		343
		344	fld .maxxx
		345	mov edi,[points_ptr] ; create all coords in <-1.0,1.0>
		346	movzx ecx,[points_count_var]
		347	@@:
		348	fld dword[edi]
		349	fdiv .maxxx
		350	fstp dword[edi]
		351	fld dword[edi+4]
		352	fdiv .maxxx
		353	fstp dword[edi+4]
		354	fld dword[edi+8]
		355	fdiv .maxxx
		356	fstp dword[edi+8]
		357	add edi,12
		358	loop @b
		359	; cmp dword[edi],-1
		360
		361	; jne @b
		362
		363	mov esp,ebp
		364	ret
		365
		366	generate_object: ; generate node
		367	.N equ 32
		368	.x equ word[ebp-2]
		369	.Ndiv2 equ word[ebp-10]
		370	.MthickSqr equ dword[ebp-14] ; diameter^2
		371	.temp equ dword[ebp-18] ; variable for x <-1;1>
		372	.Hthick equ dword[ebp-22]
		373	.cos_temp equ dword[ebp-26]
		374	.next_const equ dword[ebp-30]
		375	.a equ dword[ebp-34]
		376	.Pi2 equ ebp-38
		377
		378
		379
		380	mov ebp,esp
		381	sub esp,42
		382
		383	mov .Ndiv2,.N/2
		384	fninit
		385	fldpi
		386	fadd st,st
		387	fst dword[.Pi2]
		388	fidiv .Ndiv2
		389	fst .a ; .Ndiv2*.a=2Pi => .a=2pi/.Ndiv2
		390
		391	fld [.Mthick] ; inside diameter, (outside daiameter = 1)
		392	fmul st,st0
		393	fstp .MthickSqr
		394	fld1
		395
		396	fsub [.Mthick]
		397
		398	fst .Hthick ; Hthick = 1 - Mthick
		399	fld st
		400	fadd st,st
		401	faddp
		402	fstp .next_const ; next_const = Hthick * 3
		403
		404
		405	;init triangles list
		406	mov edi,[triangles_ptr]
		407
		408	xor si,si
		409	xor ax,ax
		410	mov bx,.N+1
		411	mov cx,(.N*2)+2 ;--
		412	mov dx,(.N*3)+3 ;---
		413	mov [triangles_count_var],0
		414	.again_tri:
		415	stosw ; main wave
		416	mov word[edi],bx
		417	inc ax
		418	add edi,2
		419	stosw
		420	stosw
		421	mov word[edi],bx
		422	inc bx
		423	mov word[edi+2],bx
		424
		425
		426	add edi,4
		427
		428	mov word[edi],cx ;---- ; n2+2 ; xor ax,ax
		429	inc cx ; n2+3 ; mov bx,.N+1
		430	mov word[edi+2],dx ; ; mov cx,(.N*2)+2 ;--
		431	mov word[edi+4],cx ; n3+3 ; mov dx,(.N*3)+3 ;---
		432	mov word[edi+6],dx ; n3+3 ;
		433	inc dx ; ;
		434	mov word[edi+8],dx ; n2+3 ;
		435	mov word[edi+10],cx ; n3+4
		436	add edi,12 ;----
		437
		438	dec ax ; border of wave
		439	dec bx
		440	dec cx
		441	dec dx
		442
		443	stosw ; first border
		444	inc ax
		445	stosw
		446	mov word[edi],dx
		447	add edi,2
		448
		449	mov word[edi],dx
		450	add edi,2
		451	stosw
		452	inc dx
		453	mov word[edi],dx
		454
		455	mov word[edi+2],bx ; second border
		456	mov word[edi+4],cx
		457	inc bx
		458	mov word[edi+6],bx
		459
		460	mov word[edi+8],bx
		461	mov word[edi+10],cx
		462	inc cx
		463	mov word[edi+12],cx
		464	add edi,14
		465
		466	add [triangles_count_var],8 ;10
		467	inc si
		468	cmp si,.N
		469	jne .again_tri
		470
		471	add ax,((.N+1)*3)+1
		472	add bx,((.N+1)*3)+1
		473	add cx,((.N+1)*3)+1
		474	add dx,((.N+1)*3)+1
		475	xor si,si
		476	cmp ax,(.N13)+13 ;;;(.N23)+23 ; ax,(.N*13)+13
		477	jl .again_tri
		478
		479	mov dword[edi],-1 ; <--- end mark not always in use
		480
		481	; init real points list
		482	mov .x,-(.N/2)
		483	mov edi,[points_ptr]
		484	lea esi,[edi+(12*(.N+1))]
		485	mov eax,[points_ptr]
		486	mov ebx,eax
		487	add eax,212(.N+1) ;---
		488	add ebx,312(.N+1) ;---
		489	mov [points_count_var],0
		490
		491
		492	.R_P4 equ edi+(412(.N+1))
		493	.R_P5 equ edi+(512(.N+1))
		494	.R_P6 equ edi+(612(.N+1))
		495	.R_P7 equ edi+(712(.N+1))
		496
		497	.R_P8 equ edi+(812(.N+1))
		498	.R_P9 equ edi+(912(.N+1))
		499	.R_P10 equ edi+(1012(.N+1))
		500	.R_P11 equ edi+(1112(.N+1))
		501
		502	.R_P12 equ edi+(1212(.N+1))
		503	.R_P13 equ edi+(1312(.N+1))
		504	.R_P14 equ edi+(1412(.N+1))
		505	.R_P15 equ edi+(1512(.N+1))
		506
		507	@@:
		508	; x coordinate
		509	fild .x
		510	fld st
		511	;; fmul .a ; st = <-2pi;2pi> when mul .a
		512	fidiv .Ndiv2
		513	fst .temp ; temporary x in <-1.0;1.0>
		514
		515	fst dword[edi] ;x coordinate of point
		516	fst dword[esi]
		517	fst dword[eax] ;--
		518
		519
		520	fst dword[.R_P4]
		521	fst dword[.R_P5]
		522	fst dword[.R_P6]
		523	fst dword[.R_P7]
		524
		525	fst dword[.R_P8]
		526	fst dword[.R_P9]
		527	fst dword[.R_P10]
		528	fst dword[.R_P11]
		529
		530	fst dword[.R_P12]
		531	fst dword[.R_P13]
		532	fst dword[.R_P14]
		533	fst dword[.R_P15]
		534
		535	fstp dword[ebx] ;pop
		536	;*******y coord dword[offset + 4]
		537	fmul .a ; st = <-2pi;2pi>
		538	fsincos
		539	fmul .next_const
		540	fst dword[edi+4] ; y coordinate of point
		541	fst dword[esi+4]
		542	fst dword[.R_P4+4]
		543	fst dword[.R_P5+4]
		544	fld .Hthick
		545	faddp
		546	fst dword[.R_P6+4]
		547	fst dword[.R_P7+4]
		548	fst dword[eax+4]
		549	fst dword[ebx+4]
		550
		551	fchs
		552	fst dword[.R_P10+4]
		553	fst dword[.R_P11+4]
		554	fst dword[.R_P14+4]
		555	fst dword[.R_P15+4]
		556	fadd .Hthick
		557	fadd .Hthick
		558	fst dword[.R_P8+4]
		559	fst dword[.R_P9+4]
		560	fst dword[.R_P12+4]
		561	fstp dword[.R_P13+4]
		562
		563
		564	fmul .Hthick
		565	fmul .next_const
		566	fstp .cos_temp ; cos_temp = Hthick^2 * 3
		567
		568	;***************z coord
		569	fld .temp
		570	fld st
		571	fmul st,st0 ; z coords
		572	fchs
		573	fld1
		574	faddp
		575	fabs
		576	fsqrt
		577	; fld st
		578	; fsub
		579	fld st
		580	fsub .cos_temp
		581	fst dword[esi+8]
		582	fstp dword[eax+8] ;--
		583	fld st
		584	fadd .cos_temp
		585	fst dword[.R_P9+8]
		586	fstp dword[.R_P10+8]
		587	fchs
		588	fld st
		589	fsub .cos_temp
		590	fst dword[.R_P6+8]
		591	fstp dword[.R_P5+8]
		592	fadd .cos_temp
		593	fst dword[.R_P13+8]
		594	fstp dword[.R_P14+8]
		595
		596	fmul [.Mthick]
		597	fmul st,st0
		598	fchs
		599	fld .MthickSqr
		600	faddp
		601	fabs
		602	fsqrt
		603	fld st
		604	fsub .cos_temp
		605	fst dword[edi+8] ; z coordinate
		606	fstp dword[ebx+8] ;--
		607	fld st
		608	fadd .cos_temp
		609	fst dword[.R_P8+8]
		610	fstp dword[.R_P11+8]
		611	fchs
		612	fld st
		613	fsub .cos_temp
		614	fst dword[.R_P7+8]
		615	fstp dword[.R_P4+8]
		616	fadd .cos_temp
		617	fst dword[.R_P12+8]
		618	fstp dword[.R_P15+8]
		619
		620	add edi,12
		621	add esi,12
		622	add eax,12 ;--
		623	add ebx,12 ;---
		624	add [points_count_var],24 ;16
		625	inc .x
		626	cmp .x,.N/2
		627	jng @b
		628	; mov dword[esi],-1 ; <-- end mark
		629	mov [culling_flag],0
		630	mov esp,ebp
		631	ret
		632	.Mthick dd 0.85 ; size-thickness
		633
		634	make_random_lights:
		635	.temp1 equ ebp-4
		636	.temp2 equ ebp-8 ; - light vector generate variables
		637	.temp3 equ ebp-12
		638	.max equ 800
1931	yogev_ezra	639	RDTSC
		640	mov [rand_seed],ax
1245	hidnplayr	641	push ebp
		642	mov ebp,esp
		643	sub esp,12
		644	mov edi,lights
		645	fninit
		646	mov dword[.temp2],.max
		647	mov dword[.temp3],.max/2
		648
		649	.again:
		650	xor esi,esi
		651	@@:
		652	mov edx,.max
		653	xor ecx,ecx
		654	call random
		655	sub eax,.max/2
		656	mov dword[.temp1],eax
		657	fild dword[.temp1]
		658	fidiv dword[.temp3]
		659	fstp dword[edi+esi*4]
		660	inc esi
		661	cmp esi,2
		662	jne @b
		663
		664	.max1 equ 1000
		665	mov dword[.temp2],.max1/2
		666	mov edx,.max1
		667	xor ecx,ecx
		668	call random
		669	mov dword[.temp1],eax
		670	fild dword[.temp1]
		671	fchs
		672	fidiv dword[.temp2]
		673	fstp dword[edi+8]
		674
		675	xor esi,esi
		676	@@:
		677	mov ecx,220 ; max colors and shine , ecx = 200 - more bright shading
		678	mov edx,255
		679	call random
		680	mov byte[edi+18+esi],al
		681	inc esi
		682	cmp esi,4
		683	jne @b
		684
		685
		686	xor esi,esi
		687	@@:
		688	mov ecx,100 ; orginal colors
		689	movzx edx,byte[edi+18+esi]
		690	call random
		691	mov byte[edi+12+esi],al
		692	inc esi
		693	cmp esi,3
		694	jne @b
		695
		696	xor esi,esi
		697	@@:
		698	mov ecx,1 ; min cols
		699	movzx edx,byte[edi+12+esi]
		700	call random
		701	mov byte[edi+15+esi],al
		702	inc esi
		703	cmp esi,3
		704	jne @b
		705
		706	add edi,LIGHT_SIZE ;22
		707	cmp edi,lightsend ; see file View3ds,asm
		708	jne .again
		709
		710	mov esp,ebp
		711	pop ebp
		712	ret
		713
		714	generate_texture2:
		715	.const equ 32
		716	mov edi,texmap
		717	xor bx,bx
		718	.next_line:
		719	xor dx,dx
		720	.next2stripes:
		721	mov eax,-1
		722	mov ecx,(TEX_X/.const)*3/4
		723	rep stosd
		724	mov eax,0x00ff0000
		725	mov ecx,(TEX_X/.const)
		726	@@:
		727	stosd
		728	dec edi
		729	loop @b
		730	inc dx
		731	cmp dx,.const/2
		732	jl .next2stripes
		733	inc bx
		734	cmp bx,TEX_Y
		735	jl .next_line
		736	ret
		737
		738	blur_screen: ;blur n times ; blur or fire
		739	;in - ecx times count
		740	;.counter equ dword[esp-4]
		741	.counter1 equ dword[esp-8]
1979	yogev_ezra	742	if Ext>=SSE2
		743	push ebp
		744	mov ebp,esp
		745	push dword 0x01010101
		746	movss xmm5,[esp]
		747	shufps xmm5,xmm5,0
		748	.again_blur:
		749	push ecx
		750	mov edi,screen
		751	mov ecx,SIZE_X*3/4
		752	xor eax,eax
		753	rep stosd
		754
		755	mov ecx,(SIZE_X(SIZE_Y-3))3/16
		756	.blr:
		757	@@:
		758	movups xmm0,[edi+SIZE_X*3]
		759	movups xmm1,[edi-SIZE_X*3]
		760	movups xmm2,[edi-3]
		761	movups xmm3,[edi+3]
		762
		763	pavgb xmm0,xmm1
		764	pavgb xmm2,xmm3
		765	pavgb xmm0,xmm2
		766
		767	psubusb xmm0,xmm5 ; importand if fire
		768
		769	movups [edi],xmm0
		770	add edi,16
		771	add esi,16
		772
		773	loop .blr
		774
		775	xor eax,eax
		776	mov ecx,SIZE_X*3/4
		777	rep stosd
		778	pop ecx
		779	loop .again_blur
		780	mov esp,ebp
		781	pop ebp
		782	end if
		783
		784	if Ext=SSE
1245	hidnplayr	785	emms
		786	push ebp
		787	mov ebp,esp
1979	yogev_ezra	788	push dword 0x01010101
		789	push dword 0x01010101
		790	movq mm4,[esp]
		791	.again_blur:
		792	push ecx
		793	mov edi,screen
		794	mov ecx,SIZE_X*3/4
		795	; pxor mm5,mm5
		796	xor eax,eax
		797	rep stosd
		798
		799	mov ecx,(SIZE_X(SIZE_Y-3))3/8
		800	.blr:
		801	@@:
		802	movq mm0,[edi+SIZE_X*3]
		803	movq mm1,[edi-SIZE_X*3]
		804	movq mm2,[edi-3]
		805	movq mm3,[edi+3]
		806
		807	pavgb mm0,mm1
		808	pavgb mm2,mm3
		809	pavgb mm0,mm2
		810
		811	psubusb mm0,mm4 ; importand if fire
		812
		813	movq [edi],mm0
		814	add edi,8
		815	add esi,8
		816
		817	loop .blr
		818
		819	xor eax,eax
		820	mov ecx,SIZE_X*3/4
		821	rep stosd
		822	pop ecx
		823	loop .again_blur
		824	mov esp,ebp
		825	pop ebp
		826	end if
		827
		828	if Ext=MMX
		829	emms
		830	push ebp
		831	mov ebp,esp
1245	hidnplayr	832	push dword 0x0
		833	push dword 0x01010101
		834	.again_blur:
		835	push ecx
		836	mov edi,screen
		837	mov ecx,SIZE_X*3/4
		838	pxor mm5,mm5
		839	xor eax,eax
		840	rep stosd
		841
		842	mov ecx,(SIZE_X(SIZE_Y-3))3/4
		843	.blr:
		844	@@:
		845
		846	movd mm0,[edi+SIZE_X*3]
		847	movd mm1,[edi-SIZE_X*3]
		848	movd mm2,[edi-3]
		849	movd mm3,[edi+3]
		850
		851	punpcklbw mm0,mm5
		852	punpcklbw mm1,mm5
		853	punpcklbw mm2,mm5
		854	punpcklbw mm3,mm5
		855	paddw mm0,mm1
		856	paddw mm0,mm2
		857	paddw mm0,mm3
		858	psrlw mm0,2
		859
		860	packuswb mm0,mm5
		861	psubusb mm0,qword[esp] ; importand if fire
		862	movd eax,mm0
		863	stosd
		864
		865	loop .blr
		866
		867	xor eax,eax
		868	mov ecx,SIZE_X*3/4
		869	rep stosd
		870	pop ecx
		871	loop .again_blur
		872	mov esp,ebp
		873	pop ebp
		874	end if
		875	if Ext=NON
		876	.blur:
		877	push ecx
		878	xor ecx,ecx
		879	.next_col_coof:
		880	xor esi,esi
		881	xor eax,eax
		882	xor ebx,ebx
		883	mov edi,SIZE_X*SIZE_Y
		884	.next:
		885	mov ebp,esi
		886	dec ebp
		887
		888	cmp ebp,SIZE_X*SIZE_Y-1 ; clipping
		889	jl @f
		890	mov ebp,SIZE_X*SIZE_Y-1
		891	@@:
		892	or ebp,ebp
		893	jg @f
		894	xor ebp,ebp
		895	@@:
		896	lea edx,[ebp*3+screen]
		897	mov al,byte[edx+ecx]
		898
		899	mov ebp,esi
		900	inc ebp
		901	cmp ebp,SIZE_X*SIZE_Y-1 ; clipping
		902	jl @f
		903	mov ebp,SIZE_X*SIZE_Y-1
		904	@@:
		905	or ebp,ebp
		906	jg @f
		907	xor ebp,ebp
		908	@@:
		909	lea edx,[ebp*3+screen]
		910	mov bl,byte[edx+ecx]
		911	add eax,ebx
		912
		913	mov ebp,esi
		914	sub ebp,SIZE_X
		915	cmp ebp,SIZE_X*SIZE_Y-1 ; clipping
		916	jl @f
		917	mov ebp,SIZE_X*SIZE_Y-1
		918	@@:
		919	or ebp,ebp
		920	jg @f
		921	xor ebp,ebp
		922	@@:
		923	lea edx,[ebp*3+screen]
		924	mov bl,byte[edx+ecx]
		925	add eax,ebx
		926
		927	mov ebp,esi
		928	add ebp,SIZE_X
		929	cmp ebp,SIZE_X*SIZE_Y-1 ; clipping
		930	jl @f
		931	mov ebp,SIZE_X*SIZE_Y-1
		932	@@:
		933	or ebp,ebp
		934	jg @f
		935	xor ebp,ebp
		936	@@:
		937	lea edx,[ebp*3+screen]
		938	mov bl,byte[edx+ecx]
		939	add eax,ebx
		940
		941	shr eax,2
		942	lea edx,[esi*3+screen]
		943	or al,al
		944	jz @f
		945	dec al ; not importand if fire
		946	mov byte[edx+ecx],al
		947	@@:
		948
		949	inc esi
		950	dec edi
		951	jnz .next
		952
		953	inc ecx
		954	cmp ecx,3
		955	jne .next_col_coof
		956	pop ecx
		957	dec ecx
		958	jnz .blur
		959	end if
		960	ret
		961
		962	mirror: ; mirror effect - loseless operation
		963	; in ah - button id = 11, 12, 13
		964	mov edi,[points_ptr] ; one real point - triple float
		965	mov esi,[points_normals_ptr] ; one 3dvector - triple float dword x,y,z
		966	fninit
		967	movzx ecx,[points_count_var]
		968
		969	cmp ah,11
		970	je @f
		971	cmp ah,12
		972	je .yn
		973	cmp ah,13
		974	je .zn
		975
		976	@@: ; neg x
		977	fld dword[edi] ;x
		978	fchs
		979	fstp dword[edi] ;x
		980	fld dword[esi]
		981	fchs
		982	fstp dword[esi]
		983	add edi,12
		984	add esi,12
		985	loop @b
		986	ret
		987	.yn:
		988	fld dword[edi+4] ;y
		989	fchs
		990	fstp dword[edi+4] ;y
		991	fld dword[esi+4]
		992	fchs
		993	fstp dword[esi+4]
		994
		995	add edi,12
		996	add esi,12
		997	loop .yn
		998	ret
		999	.zn:
		1000	fld dword[edi+8] ;z
		1001	fchs
		1002	fstp dword[edi+8] ;z
		1003	fld dword[esi+8]
		1004	fchs
		1005	fstp dword[esi+8]
		1006
		1007	add edi,12
		1008	add esi,12
		1009	loop .zn
		1010	ret
		1011
		1012	exchange: ; exchange some coords - loseless operation
		1013	mov edi,[points_ptr] ; one real point - triple float
		1014	mov esi,[points_normals_ptr] ; one 3dvector - triple float dword x,y,z
		1015	fninit ; exchange both points and normal vactors coords/coofics
		1016	movzx ecx,[points_count_var]
		1017
		1018	cmp [xchg_flag],1
		1019	je @f
		1020	cmp [xchg_flag],2
		1021	je .zx
		1022	cmp [xchg_flag],3
		1023	je .yz
		1024	@@:
		1025	fld dword[edi] ;x
		1026	fld dword[edi+4] ;y
		1027	fstp dword[edi] ;x
		1028	fstp dword[edi+4] ;y
		1029	fld dword[esi] ;x
		1030	fld dword[esi+4] ;y
		1031	fstp dword[esi] ;x
		1032	fstp dword[esi+4] ;y
		1033
		1034	add esi,12
		1035	add edi,12
		1036	loop @b
		1037	ret
		1038	.zx:
		1039	fld dword[edi] ;x
		1040	fld dword[edi+8] ;z
		1041	fstp dword[edi] ;x
		1042	fstp dword[edi+8] ;z
		1043	fld dword[esi] ;x
		1044	fld dword[esi+8] ;y
		1045	fstp dword[esi] ;x
		1046	fstp dword[esi+8] ;y
		1047
		1048	add esi,12
		1049	add edi,12
		1050	loop .zx
		1051	ret
		1052	.yz:
		1053	fld dword[edi+8] ;z
		1054	fld dword[edi+4] ;y
		1055	fstp dword[edi+8] ;z
		1056	fstp dword[edi+4] ;y
		1057	fld dword[esi+8] ;x
		1058	fld dword[esi+4] ;y
		1059	fstp dword[esi+8] ;x
		1060	fstp dword[esi+4] ;y
		1061
		1062	add edi,12
		1063	add esi,12
		1064	loop .yz
		1065	ret
		1066
		1067	;#\\\\\\\\\\\\\\\\\\\\\\\\\comented///////////////////////////////
		1068	if 0
		1069	calc_attenuation_light: ;; calculate point to spot_light distance
		1070	; spot light with attenuation ;; and vector, normalize vector,
		1071	;; calc dot_pr and unlinear color according
		1072	;; to dot_product, write to color buff
		1073	.distance equ dword[ebp-4] ;; color buff in bumpmap for save the mem
		1074	.temp_col equ word[ebp-6]
		1075	.vector equ [ebp-20]
		1076	.spot_light_ptr equ dword [ebp-24]
		1077	mov ebp,esp
		1078	sub esp,24
		1079	mov edi,rotated_points_r ;points_rotated
		1080	mov edx,point_normals_rotated
		1081	mov ecx,bumpmap ; mem area with temp points color list
		1082	xor ax,ax ; counter
		1083	mov esi,spot_light_params
		1084	mov .spot_light_ptr,esi
		1085	.again_color:
		1086	push eax
		1087	lea ebx,.vector
		1088	mov esi,.spot_light_ptr ; calc vector fom light to every point
		1089	call make_vector_r
		1090	; ebx - ptr to result vector
		1091	fld dword [ebx]
		1092	fmul st, st
		1093	fld dword [ebx+4]
		1094	fmul st, st
		1095	fld dword [ebx+8]
		1096	fmul st, st
		1097	faddp st1, st
		1098	faddp st1, st
		1099	fsqrt
		1100	fstp .distance
		1101	push edi
		1102	mov edi,ebx
		1103	call normalize_vector
		1104	; edi - normalized distance vector
		1105	mov esi,edx
		1106	call dot_product ; esi first vector, edi second vector
		1107	; st0 - dot product
		1108	fabs ; why not ? - think about it
		1109	pop edi
		1110	fldz
		1111	fcomip st1
		1112	jbe @f ; st1>0
		1113	mov dword[ecx],0
		1114	mov word[ecx+4],0
		1115	add ecx,6
		1116	ffree st0
		1117	jmp .update_counters
		1118	@@:
		1119	; pop edi
		1120
		1121	; calc color(with atenuation), write to buff
		1122	; buff - color of points list
		1123	; color = ambient+cos(x)diffuse+(cos(x)^n)specular
		1124
		1125	push edx
		1126	push edi
		1127
		1128	push ecx
		1129	push ebp
		1130
		1131	; mov eax,spot_light_params
		1132	mov eax,.spot_light_ptr
		1133	movzx dx,byte[eax+15]
		1134	push dx ; shines
		1135	movzx dx,byte[eax+8] ; b
		1136	push dx ; orginal col
		1137	movzx dx,byte[eax+7] ; g
		1138	push dx
		1139	movzx dx,byte[eax+6] ; r
		1140	push dx
		1141	movzx dx,byte[eax+14] ; max col
		1142	push dx
		1143	movzx dx,byte[eax+13]
		1144	push dx
		1145	movzx dx,byte[eax+12]
		1146	push dx
		1147	movzx dx,byte[eax+11] ; min col
		1148	push dx
		1149	movzx dx,byte[eax+10]
		1150	push dx
		1151	movzx dx,byte[eax+9]
		1152	push dx
		1153	push eax ; dot pr. (in st0)
		1154	call calc_one_col
		1155	; eax - 0x00rrggbb
		1156	; brightness = 1 - (distance/light.fadezero)^fogness
		1157	; if brightness < 0, then brightness = 0
		1158	; attenuetion equation taken from 3dica tutorial - 1/d^2 isn't perfect
		1159	; color = color * brightness ; fogness = <0.5,2.0>
		1160	pop ebp
		1161	pop ecx
		1162
		1163	fld .distance
		1164	mov esi,.spot_light_ptr
		1165	; fidiv word[spot_light_params+16] ; fadezero
		1166	fidiv word[esi+16] ; fadezero
		1167	; fmul st,st0 ; fogness = 2
		1168	fabs ; to be sure
		1169	fchs
		1170	fld1
		1171	faddp
		1172	fld1
		1173	fcomip st1
		1174	jnbe @f
		1175	ffree st0
		1176	fld1
		1177	@@:
		1178	fld st ; st - brightness
		1179	ror eax,16
		1180	movzx bx,al ; al - r
		1181	mov .temp_col,bx
		1182	fimul .temp_col
		1183	fistp word[ecx]
		1184	cmp word[ecx],0
		1185	jge @f
		1186	mov word[ecx],0
		1187	@@:
		1188	; mov edx,dword[spot_light_params+12] ; max colors
		1189	mov edx,dword[esi+12] ; max colors
		1190	movzx bx,dl ; r max
		1191	cmp word[ecx],bx ; choose the brightest for r, g, b
		1192	jl @f
		1193	mov word[ecx],bx
		1194	@@:
		1195
		1196	add ecx,2
		1197	fld st
		1198	ror eax,16
		1199	movzx bx,ah ; g
		1200	mov .temp_col,bx
		1201	fimul .temp_col
		1202	fistp word[ecx]
		1203	cmp word[ecx],0
		1204	jg @f
		1205	mov word[ecx],0
		1206	@@:
		1207	movzx bx,dh ; g max
		1208	cmp word[ecx],bx
		1209	jle @f
		1210	mov word[ecx],bx
		1211	@@:
		1212
		1213	add ecx,2
		1214	movzx bx,al ; b
		1215	mov .temp_col,bx
		1216	fimul .temp_col
		1217	fistp word[ecx]
		1218	cmp word[ecx],0
		1219	jg @f
		1220	mov word[ecx],0
		1221	@@:
		1222	shr edx,16
		1223	movzx bx,dl ; b max
		1224	cmp word[ecx],bx
		1225	jle @f
		1226	mov word[ecx],bx
		1227	@@:
		1228	add ecx,2
		1229	;end if
		1230	; ror eax,16
		1231	; movzx bx,al
		1232	; mov word[ecx],bx
		1233	; ror eax,16
		1234	; movzx bx,ah
		1235	; mov word[ecx+2],bx
		1236	; xor ah,ah
		1237	; mov word[ecx+4],ax
		1238	; add ecx,6
		1239
		1240	pop edi
		1241	pop edx
		1242
		1243	.update_counters:
		1244	add edx,12 ; normal_size
		1245	add edi,12 ;6 ; 3d point_coord_size
		1246
		1247	pop eax
		1248	inc ax
		1249	cmp ax,[points_count_var]
		1250	jne .again_color
		1251
		1252	add .spot_light_ptr,18
		1253	cmp .spot_light_ptr,spot_l_end
		1254	jl .again_color
		1255
		1256	mov esp,ebp
		1257	ret
		1258	end if
		1259	;#\\\\\\\\\\\\\\\\\\\\\\\\\comented////////////////////////////////////

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(root)/programs/demos/3DS/B_PROCS.INC – Rev 1979