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
8014	leency	15	init_envmap_cub: ; create 512x512 env map
1245	hidnplayr	16	.temp equ word [ebp-2]
8014	leency	17	push ebp
		18	mov ebp,esp
		19	sub esp,2
		20	mov edi,envmap_cub
		21	fninit
1245	hidnplayr	22
8014	leency	23	mov cx,-256
1245	hidnplayr	24	.ie_hor:
8014	leency	25	mov .temp,cx
		26	fild .temp
		27	fabs
1245	hidnplayr	28	; fmul st,st0
		29	; fsqrt
8014	leency	30	mov .temp,255
		31	fisubr .temp
		32	fmul [env_const]
		33	fistp .temp
		34	mov ax,.temp
1245	hidnplayr	35
8014	leency	36	or ax,ax
		37	jge .ie_ok1
		38	xor ax,ax
		39	jmp .ie_ok2
1245	hidnplayr	40	.ie_ok1:
8014	leency	41	cmp ax,255
		42	jle .ie_ok2
		43	mov ax,255
1245	hidnplayr	44	.ie_ok2:
8014	leency	45	stosb
		46	stosb
		47	stosb
1245	hidnplayr	48
8014	leency	49	inc cx
		50	cmp cx,256
		51	jne .ie_hor
1245	hidnplayr	52
8014	leency	53	mov esp,ebp
		54	pop ebp
1245	hidnplayr	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
8014	leency	62	.dot_prd equ dword[ebp+4] ; dot product - cos x - not now
		63	.min_col_r equ word[ebp+8] ; minimum color - ambient
1245	hidnplayr	64	.min_col_g equ word[ebp+10]
		65	.min_col_b equ word[ebp+12]
8014	leency	66	.max_col_r equ word[ebp+14] ; maximum color - specular
1245	hidnplayr	67	.max_col_g equ word[ebp+16]
		68	.max_col_b equ word[ebp+18]
8014	leency	69	.org_col_r equ word[ebp+20] ; orginal color - diffuse
1245	hidnplayr	70	.org_col_g equ word[ebp+22]
		71	.org_col_b equ word[ebp+24]
8014	leency	72	.n equ word[ebp+26] ; shines - not implemented
		73	.temp equ word[ebp-2]
1245	hidnplayr	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
8014	leency	78	mov ebp,esp
		79	sub esp,14
1245	hidnplayr	80
8014	leency	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
1245	hidnplayr	86
8014	leency	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
1245	hidnplayr	92
8014	leency	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
1245	hidnplayr	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
8014	leency	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
1245	hidnplayr	118	@@:
8014	leency	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
1245	hidnplayr	130
8014	leency	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
1245	hidnplayr	143
8014	leency	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
1245	hidnplayr	153	; mov ah,al
8014	leency	154	ror eax,16
		155	xchg al,ah ; eax - 0x00rrggbb
		156	mov esp,ebp
1245	hidnplayr	157	ret 24
		158
8014	leency	159	calc_bumpmap: ; calculate random bumpmap
1245	hidnplayr	160	;--------------in edi _ pointer to TEX_X x TEX_Y bumpmap
		161
8014	leency	162	push edi
1245	hidnplayr	163
8014	leency	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
1245	hidnplayr	169	@@:
8014	leency	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
1245	hidnplayr	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
8014	leency	192	mov ecx,TEXTURE_SIZE
1245	hidnplayr	193	@@:
8014	leency	194	push ecx
		195	xor ecx,ecx
		196	mov edx,255
		197	call random
		198	stosb
		199	pop ecx
		200	loop @b
1245	hidnplayr	201
		202	.blur_map:
8014	leency	203	pop edi
		204	movzx ecx,[bumps_deep_flag]
		205	inc cx
1245	hidnplayr	206	.blur:
8014	leency	207	xor esi,esi
		208	mov edx,TEXTURE_SIZE
		209	xor eax,eax
		210	xor ebx,ebx
1245	hidnplayr	211	@@:
8014	leency	212	mov ebp,esi
		213	dec ebp
		214	and ebp,TEXTURE_SIZE
		215	mov al,byte[ebp+edi]
1245	hidnplayr	216
8014	leency	217	mov ebp,esi
		218	inc ebp
		219	and ebp,TEXTURE_SIZE
		220	mov bl,byte[ebp+edi]
		221	add eax,ebx
1245	hidnplayr	222
8014	leency	223	mov ebp,esi
		224	sub ebp,TEX_X
		225	and ebp,TEXTURE_SIZE
		226	mov bl,byte[ebp+edi]
		227	add eax,ebx
1245	hidnplayr	228
8014	leency	229	mov ebp,esi
		230	add ebp,TEX_X
		231	and ebp,TEXTURE_SIZE
		232	mov bl,byte[ebp+edi]
		233	add eax,ebx
1245	hidnplayr	234
8014	leency	235	shr eax,2
		236	mov byte[esi+edi],al
1245	hidnplayr	237
8014	leency	238	inc esi
		239	dec edx
		240	jnz @b
1245	hidnplayr	241
8014	leency	242	loop .blur
1245	hidnplayr	243	ret
		244	random:
		245	; in - ecx - min
		246	; edx - max
		247	; out - eax - random number
8014	leency	248	mov bx,[rand_seed]
		249	add bx,0x9248
		250	ror bx,3
		251	mov [rand_seed],bx
1245	hidnplayr	252
8014	leency	253	mov ax,dx
		254	sub ax,cx
		255	mul bx
		256	mov ax,dx
		257	add ax,cx
		258	cwde
1245	hidnplayr	259	ret
		260
8014	leency	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>
1245	hidnplayr	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
8014	leency	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 edx,[points_count_var]
		284	fld dword[edi+ebx]
		285	fst .max
		286	fstp .min
		287	add edi,12
		288	dec edx
		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
1245	hidnplayr	297	@@:
8014	leency	298	fcom .min ; min_x,y,z
		299	fstsw ax
		300	sahf
		301	jnbe @f ; jmp greater
		302	fst .min ; new min_x
1245	hidnplayr	303	@@:
8014	leency	304	ffree st
1245	hidnplayr	305	.end_coords:
8014	leency	306	add edi,12
1245	hidnplayr	307	; cmp dword[edi],-1 ; cmp with end mark
8014	leency	308	dec edx
		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
1245	hidnplayr	318
8014	leency	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
1245	hidnplayr	326	@@:
8014	leency	327	ffree st
		328	mov edi,[points_ptr]
		329	mov edx,[points_count_var] ; substraction all coords - center point
1245	hidnplayr	330	@@:
8014	leency	331	fld dword[edi+ebx]
		332	fsub .center
		333	fstp dword[edi+ebx]
		334	add edi,12
1245	hidnplayr	335	; cmp dword[edi],-1
		336	; jne @b
8014	leency	337	dec edx
		338	jnz @b
1245	hidnplayr	339
8014	leency	340	add ebx,4 ; ebx - x,y,z cooficientes in list real_points
		341	dec ecx
		342	jnz .next_c
1245	hidnplayr	343
8014	leency	344	fld .maxxx
		345	mov edi,[points_ptr] ; create all coords in <-1.0,1.0>
		346	mov ecx,[points_count_var]
1245	hidnplayr	347	@@:
8014	leency	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
1245	hidnplayr	359	; cmp dword[edi],-1
		360
		361	; jne @b
		362
8014	leency	363	mov esp,ebp
1245	hidnplayr	364	ret
		365
8014	leency	366	generate_object: ; generate node
		367	.N equ 32
		368	.x equ word[ebp-2]
		369	.Ndiv2 equ word[ebp-10]
1245	hidnplayr	370	.MthickSqr equ dword[ebp-14] ; diameter^2
8014	leency	371	.temp equ dword[ebp-18] ; variable for x <-1;1>
1245	hidnplayr	372	.Hthick equ dword[ebp-22]
		373	.cos_temp equ dword[ebp-26]
		374	.next_const equ dword[ebp-30]
8014	leency	375	.a equ dword[ebp-34]
		376	.Pi2 equ ebp-38
1245	hidnplayr	377
		378
		379
8014	leency	380	mov ebp,esp
		381	sub esp,42
1245	hidnplayr	382
8014	leency	383	mov .Ndiv2,.N/2
1245	hidnplayr	384	fninit
		385	fldpi
8014	leency	386	fadd st,st
		387	fst dword[.Pi2]
		388	fidiv .Ndiv2
		389	fst .a ; .Ndiv2*.a=2Pi => .a=2pi/.Ndiv2
1245	hidnplayr	390
8014	leency	391	fld [.Mthick] ; inside diameter, (outside daiameter = 1)
		392	fmul st,st0
		393	fstp .MthickSqr
1245	hidnplayr	394	fld1
		395
8014	leency	396	fsub [.Mthick]
1245	hidnplayr	397
8014	leency	398	fst .Hthick ; Hthick = 1 - Mthick
		399	fld st
		400	fadd st,st
1245	hidnplayr	401	faddp
8014	leency	402	fstp .next_const ; next_const = Hthick * 3
1245	hidnplayr	403
		404
		405	;init triangles list
8014	leency	406	mov edi,[triangles_ptr]
1245	hidnplayr	407
8014	leency	408	xor esi,esi
		409	xor eax,eax
		410	mov ebx,.N+1
		411	mov ecx,(.N*2)+2 ;--
		412	mov edx,(.N*3)+3 ;---
		413	mov [triangles_count_var],0
1245	hidnplayr	414	.again_tri:
8014	leency	415	stosd ; main wave
		416	mov dword[edi],ebx
		417	inc eax
		418	add edi,4
		419	stosd
		420	stosd
		421	mov dword[edi],ebx
		422	inc ebx
		423	mov dword[edi+4],ebx
1245	hidnplayr	424
		425
8014	leency	426	add edi,8
1245	hidnplayr	427
8014	leency	428	mov dword[edi],ecx ;---- ; n2+2 ; xor ax,ax
		429	inc ecx ; n2+3 ; mov bx,.N+1
		430	mov dword[edi+4],edx ; ; mov cx,(.N*2)+2 ;--
		431	mov dword[edi+8],ecx ; n3+3 ; mov dx,(.N*3)+3 ;---
		432	mov dword[edi+12],edx ; n3+3 ;
		433	inc edx ; ;
		434	mov dword[edi+16],edx ; n2+3 ;
		435	mov dword[edi+20],ecx ; n3+4
		436	add edi,24 ;----
1245	hidnplayr	437
8014	leency	438	dec eax ; border of wave
		439	dec ebx
		440	dec ecx
		441	dec edx
1245	hidnplayr	442
8014	leency	443	stosd ; first border
		444	inc eax
		445	stosd
		446	mov dword[edi],edx
		447	add edi,4
1245	hidnplayr	448
8014	leency	449	mov dword[edi],edx
		450	add edi,4
		451	stosd
		452	inc edx
		453	mov dword[edi],edx
1245	hidnplayr	454
8014	leency	455	mov dword[edi+4],ebx ; second border
		456	mov dword[edi+8],ecx
		457	inc ebx
		458	mov dword[edi+12],ebx
1245	hidnplayr	459
8014	leency	460	mov dword[edi+16],ebx
		461	mov dword[edi+20],ecx
		462	inc ecx
		463	mov dword[edi+24],ecx
		464	add edi,28
1245	hidnplayr	465
8014	leency	466	add [triangles_count_var],8 ;10
		467	inc esi
		468	cmp esi,.N
		469	jne .again_tri
1245	hidnplayr	470
8014	leency	471	add eax,((.N+1)*3)+1
		472	add ebx,((.N+1)*3)+1
		473	add ecx,((.N+1)*3)+1
		474	add edx,((.N+1)*3)+1
		475	xor esi,esi
		476	cmp eax,(.N13)+13 ;;;(.N23)+23 ; ax,(.N*13)+13
1245	hidnplayr	477	jl .again_tri
		478
8014	leency	479	; mov dword[edi],-1 ; <--- end mark not always in use
1245	hidnplayr	480
		481	; init real points list
8014	leency	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
1245	hidnplayr	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
8014	leency	509	fild .x
		510	fld st
1245	hidnplayr	511	;; fmul .a ; st = <-2pi;2pi> when mul .a
8014	leency	512	fidiv .Ndiv2
		513	fst .temp ; temporary x in <-1.0;1.0>
1245	hidnplayr	514
8014	leency	515	fst dword[edi] ;x coordinate of point
		516	fst dword[esi]
		517	fst dword[eax] ;--
1245	hidnplayr	518
		519
8014	leency	520	fst dword[.R_P4]
		521	fst dword[.R_P5]
		522	fst dword[.R_P6]
		523	fst dword[.R_P7]
1245	hidnplayr	524
8014	leency	525	fst dword[.R_P8]
		526	fst dword[.R_P9]
		527	fst dword[.R_P10]
		528	fst dword[.R_P11]
1245	hidnplayr	529
8014	leency	530	fst dword[.R_P12]
		531	fst dword[.R_P13]
		532	fst dword[.R_P14]
		533	fst dword[.R_P15]
1245	hidnplayr	534
8014	leency	535	fstp dword[ebx] ;pop
1245	hidnplayr	536	;*******y coord dword[offset + 4]
8014	leency	537	fmul .a ; st = <-2pi;2pi>
1245	hidnplayr	538	fsincos
8014	leency	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
1245	hidnplayr	545	faddp
8014	leency	546	fst dword[.R_P6+4]
		547	fst dword[.R_P7+4]
		548	fst dword[eax+4]
		549	fst dword[ebx+4]
1245	hidnplayr	550
		551	fchs
8014	leency	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]
1245	hidnplayr	562
		563
8014	leency	564	fmul .Hthick
		565	fmul .next_const
		566	fstp .cos_temp ; cos_temp = Hthick^2 * 3
1245	hidnplayr	567
		568	;***************z coord
8014	leency	569	fld .temp
		570	fld st
		571	fmul st,st0 ; z coords
1245	hidnplayr	572	fchs
		573	fld1
		574	faddp
		575	fabs
		576	fsqrt
		577	; fld st
		578	; fsub
8014	leency	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]
1245	hidnplayr	587	fchs
8014	leency	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]
1245	hidnplayr	595
8014	leency	596	fmul [.Mthick]
		597	fmul st,st0
1245	hidnplayr	598	fchs
8014	leency	599	fld .MthickSqr
1245	hidnplayr	600	faddp
		601	fabs
		602	fsqrt
8014	leency	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]
1245	hidnplayr	611	fchs
8014	leency	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]
1245	hidnplayr	619
8014	leency	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
1245	hidnplayr	628	; mov dword[esi],-1 ; <-- end mark
8014	leency	629	mov [culling_flag],0
1245	hidnplayr	630	mov esp,ebp
		631	ret
		632	.Mthick dd 0.85 ; size-thickness
		633
		634	make_random_lights:
		635	.temp1 equ ebp-4
8014	leency	636	.temp2 equ ebp-8 ; - light vector generate variables
1245	hidnplayr	637	.temp3 equ ebp-12
		638	.max equ 800
8014	leency	639	RDTSC
		640	mov [rand_seed],ax
		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
1245	hidnplayr	648
		649	.again:
8014	leency	650	xor esi,esi
1245	hidnplayr	651	@@:
8014	leency	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
1245	hidnplayr	663
		664	.max1 equ 1000
8014	leency	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]
1245	hidnplayr	674
8014	leency	675	xor esi,esi
1245	hidnplayr	676	@@:
8014	leency	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
1245	hidnplayr	684
		685
8014	leency	686	xor esi,esi
1245	hidnplayr	687	@@:
8014	leency	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
1245	hidnplayr	695
8014	leency	696	xor esi,esi
1245	hidnplayr	697	@@:
8014	leency	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
1245	hidnplayr	705
8014	leency	706	add edi,LIGHT_SIZE ;22
		707	cmp edi,lightsend ; see file View3ds,asm
		708	jne .again
1245	hidnplayr	709
8014	leency	710	mov esp,ebp
		711	pop ebp
1245	hidnplayr	712	ret
		713
		714	generate_texture2:
		715	.const equ 32
8014	leency	716	mov edi,texmap
		717	xor bx,bx
1245	hidnplayr	718	.next_line:
8014	leency	719	xor dx,dx
1245	hidnplayr	720	.next2stripes:
8014	leency	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)
1245	hidnplayr	726	@@:
8014	leency	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
1245	hidnplayr	736	ret
		737
8014	leency	738	blur_screen: ;blur n times ; blur or fire
1245	hidnplayr	739	;in - ecx times count
		740	;.counter equ dword[esp-4]
		741	.counter1 equ dword[esp-8]
1979	yogev_ezra	742	if Ext>=SSE2
8014	leency	743	push ebp
		744	mov ebp,esp
		745	push dword 0x01010101
		746	movss xmm5,[esp]
		747	shufps xmm5,xmm5,0
1979	yogev_ezra	748	.again_blur:
8014	leency	749	push ecx
		750	mov edi,[screen_ptr]
		751	movzx ecx,word[size_x_var] ;SIZE_X*3/4
		752	lea ecx,[ecx*3+1]
		753	shr ecx,2
6648	leency	754
6619	leency	755	; mov ecx,SIZE_X*3/4
8014	leency	756	xor eax,eax
		757	rep stosd
6619	leency	758	if 1
8014	leency	759	movzx ebx,word[size_x_var]
		760	movzx ecx,word[size_y_var]
		761	sub ecx,3
		762	imul ecx,ebx
		763	lea ecx,[ecx*3]
		764	shr ecx,4
		765	lea ebx,[ebx*3]
6619	leency	766	; mov ecx,(SIZE_X(SIZE_Y-3))3/16
1979	yogev_ezra	767	.blr:
		768	@@:
8014	leency	769	push ecx
		770	movups xmm0,[edi+ebx]
		771	mov ecx,edi
		772	sub ecx,ebx
		773	movups xmm1,[ecx]
		774	movups xmm2,[edi-3]
		775	movups xmm3,[edi+3]
1979	yogev_ezra	776
8014	leency	777	pavgb xmm0,xmm1
		778	pavgb xmm2,xmm3
		779	pavgb xmm0,xmm2
1979	yogev_ezra	780
8014	leency	781	psubusb xmm0,xmm5 ; importand if fire
1979	yogev_ezra	782
8014	leency	783	movups [edi],xmm0
		784	add edi,16
		785	add esi,16
		786	pop ecx
		787	loop .blr
6619	leency	788	end if
8014	leency	789	xor eax,eax
		790	movzx ecx,word[size_x_var]
		791	lea ecx,[ecx*3]
		792	shr ecx,2
6619	leency	793	; mov ecx,SIZE_X*3/4
8014	leency	794	rep stosd
		795	pop ecx
		796	loop .again_blur
		797	mov esp,ebp
		798	pop ebp
1979	yogev_ezra	799	end if
		800
		801	if Ext=SSE
8014	leency	802	emms
		803	push ebp
		804	mov ebp,esp
		805	push dword 0x01010101
		806	push dword 0x01010101
		807	movq mm4,[esp]
1979	yogev_ezra	808	.again_blur:
8014	leency	809	push ecx
		810	mov edi,[screen_ptr]
		811	movzx ecx,word[size_x_var] ;SIZE_X*3/4
		812	lea ecx,[ecx*3]
		813	shr ecx,2
1979	yogev_ezra	814	; pxor mm5,mm5
8014	leency	815	xor eax,eax
		816	rep stosd
		817	movzx ebx,word[size_x_var]
		818	movzx ecx,word[size_y_var]
		819	sub ecx,3
		820	imul ecx,ebx
		821	lea ecx,[ecx*3]
		822	shr ecx,3
		823	lea ebx,[ebx*3]
6619	leency	824	; mov ecx,(SIZE_X(SIZE_Y-3))3/8
1979	yogev_ezra	825	.blr:
		826	@@:
8014	leency	827	movq mm0,[edi+ebx]
		828	movq mm1,[edi-ebx]
		829	movq mm2,[edi-3]
		830	movq mm3,[edi+3]
1979	yogev_ezra	831
8014	leency	832	pavgb mm0,mm1
		833	pavgb mm2,mm3
		834	pavgb mm0,mm2
1979	yogev_ezra	835
8014	leency	836	psubusb mm0,mm4 ; importand if fire
1979	yogev_ezra	837
8014	leency	838	movq [edi],mm0
		839	add edi,8
		840	add esi,8
1979	yogev_ezra	841
8014	leency	842	loop .blr
		843
		844	xor eax,eax
		845	mov ecx,[size_x_var]
		846	lea ecx,[ecx*3]
		847	shr ecx,2
6619	leency	848	; SIZE_X*3/4
8014	leency	849	rep stosd
		850	pop ecx
		851	loop .again_blur
		852	mov esp,ebp
		853	pop ebp
1979	yogev_ezra	854	end if
		855
		856	if Ext=MMX
8014	leency	857	emms
		858	push ebp
		859	mov ebp,esp
		860	push dword 0x0
		861	push dword 0x01010101
1245	hidnplayr	862	.again_blur:
8014	leency	863	push ecx
		864	mov edi,[screen_ptr]
		865	mov ecx,SIZE_X*3/4
		866	pxor mm5,mm5
		867	xor eax,eax
		868	rep stosd
1245	hidnplayr	869
8014	leency	870	mov ecx,(SIZE_X(SIZE_Y-3))3/4
1245	hidnplayr	871	.blr:
		872	@@:
		873
8014	leency	874	movd mm0,[edi+SIZE_X*3]
		875	movd mm1,[edi-SIZE_X*3]
		876	movd mm2,[edi-3]
		877	movd mm3,[edi+3]
1245	hidnplayr	878
8014	leency	879	punpcklbw mm0,mm5
		880	punpcklbw mm1,mm5
		881	punpcklbw mm2,mm5
		882	punpcklbw mm3,mm5
		883	paddw mm0,mm1
		884	paddw mm0,mm2
		885	paddw mm0,mm3
		886	psrlw mm0,2
1245	hidnplayr	887
8014	leency	888	packuswb mm0,mm5
		889	psubusb mm0,qword[esp] ; importand if fire
		890	movd eax,mm0
		891	stosd
1245	hidnplayr	892
8014	leency	893	loop .blr
1245	hidnplayr	894
8014	leency	895	xor eax,eax
		896	mov ecx,SIZE_X*3/4
		897	rep stosd
		898	pop ecx
		899	loop .again_blur
		900	mov esp,ebp
		901	pop ebp
1245	hidnplayr	902	end if
		903	if Ext=NON
		904	.blur:
8014	leency	905	push ecx
		906	xor ecx,ecx
1245	hidnplayr	907	.next_col_coof:
8014	leency	908	xor esi,esi
		909	xor eax,eax
		910	xor ebx,ebx
		911	mov edi,SIZE_X*SIZE_Y
1245	hidnplayr	912	.next:
8014	leency	913	mov ebp,esi
		914	dec ebp
1245	hidnplayr	915
8014	leency	916	cmp ebp,SIZE_X*SIZE_Y-1 ; clipping
		917	jl @f
		918	mov ebp,SIZE_X*SIZE_Y-1
1245	hidnplayr	919	@@:
8014	leency	920	or ebp,ebp
		921	jg @f
		922	xor ebp,ebp
1245	hidnplayr	923	@@:
8014	leency	924	lea edx,[ebp*3+screen]
		925	mov al,byte[edx+ecx]
1245	hidnplayr	926
8014	leency	927	mov ebp,esi
		928	inc ebp
		929	cmp ebp,SIZE_X*SIZE_Y-1 ; clipping
		930	jl @f
		931	mov ebp,SIZE_X*SIZE_Y-1
1245	hidnplayr	932	@@:
8014	leency	933	or ebp,ebp
		934	jg @f
		935	xor ebp,ebp
1245	hidnplayr	936	@@:
8014	leency	937	lea edx,[ebp*3+screen]
		938	mov bl,byte[edx+ecx]
		939	add eax,ebx
1245	hidnplayr	940
8014	leency	941	mov ebp,esi
		942	sub ebp,SIZE_X
		943	cmp ebp,SIZE_X*SIZE_Y-1 ; clipping
		944	jl @f
		945	mov ebp,SIZE_X*SIZE_Y-1
1245	hidnplayr	946	@@:
8014	leency	947	or ebp,ebp
		948	jg @f
		949	xor ebp,ebp
1245	hidnplayr	950	@@:
8014	leency	951	lea edx,[ebp*3+screen]
		952	mov bl,byte[edx+ecx]
		953	add eax,ebx
1245	hidnplayr	954
8014	leency	955	mov ebp,esi
		956	add ebp,SIZE_X
		957	cmp ebp,SIZE_X*SIZE_Y-1 ; clipping
		958	jl @f
		959	mov ebp,SIZE_X*SIZE_Y-1
1245	hidnplayr	960	@@:
8014	leency	961	or ebp,ebp
		962	jg @f
		963	xor ebp,ebp
1245	hidnplayr	964	@@:
8014	leency	965	lea edx,[ebp*3+screen]
		966	mov bl,byte[edx+ecx]
		967	add eax,ebx
1245	hidnplayr	968
8014	leency	969	shr eax,2
		970	lea edx,[esi*3+screen]
		971	or al,al
		972	jz @f
		973	dec al ; not importand if fire
		974	mov byte[edx+ecx],al
1245	hidnplayr	975	@@:
		976
8014	leency	977	inc esi
		978	dec edi
		979	jnz .next
1245	hidnplayr	980
8014	leency	981	inc ecx
		982	cmp ecx,3
		983	jne .next_col_coof
		984	pop ecx
		985	dec ecx
		986	jnz .blur
1245	hidnplayr	987	end if
		988	ret
		989
8014	leency	990	mirror: ; mirror effect - loseless operation
1245	hidnplayr	991	; in ah - button id = 11, 12, 13
8014	leency	992	mov edi,[points_ptr] ; one real point - triple float
		993	mov esi,[points_normals_ptr] ; one 3dvector - triple float dword x,y,z
		994	fninit
		995	mov ecx,[points_count_var]
1245	hidnplayr	996
8014	leency	997	cmp ah,11
		998	je @f
		999	cmp ah,12
		1000	je .yn
		1001	cmp ah,13
		1002	je .zn
1245	hidnplayr	1003
8014	leency	1004	@@: ; neg x
		1005	fld dword[edi] ;x
		1006	fchs
		1007	fstp dword[edi] ;x
		1008	fld dword[esi]
		1009	fchs
		1010	fstp dword[esi]
		1011	add edi,12
		1012	add esi,12
		1013	loop @b
		1014	ret
1245	hidnplayr	1015	.yn:
8014	leency	1016	fld dword[edi+4] ;y
		1017	fchs
		1018	fstp dword[edi+4] ;y
		1019	fld dword[esi+4]
		1020	fchs
		1021	fstp dword[esi+4]
1245	hidnplayr	1022
8014	leency	1023	add edi,12
		1024	add esi,12
		1025	loop .yn
		1026	ret
1245	hidnplayr	1027	.zn:
8014	leency	1028	fld dword[edi+8] ;z
		1029	fchs
		1030	fstp dword[edi+8] ;z
		1031	fld dword[esi+8]
		1032	fchs
		1033	fstp dword[esi+8]
1245	hidnplayr	1034
8014	leency	1035	add edi,12
		1036	add esi,12
		1037	loop .zn
1245	hidnplayr	1038	ret
		1039
8014	leency	1040	exchange: ; exchange some coords - loseless operation
		1041	mov edi,[points_ptr] ; one real point - triple float
		1042	mov esi,[points_normals_ptr] ; one 3dvector - triple float dword x,y,z
		1043	fninit ; exchange both points and normal vactors coords/coofics
		1044	mov ecx,[points_count_var]
1245	hidnplayr	1045
8014	leency	1046	cmp [xchg_flag],1
		1047	je @f
		1048	cmp [xchg_flag],2
		1049	je .zx
		1050	cmp [xchg_flag],3
		1051	je .yz
1245	hidnplayr	1052	@@:
8014	leency	1053	fld dword[edi] ;x
		1054	fld dword[edi+4] ;y
		1055	fstp dword[edi] ;x
		1056	fstp dword[edi+4] ;y
		1057	fld dword[esi] ;x
		1058	fld dword[esi+4] ;y
		1059	fstp dword[esi] ;x
		1060	fstp dword[esi+4] ;y
1245	hidnplayr	1061
8014	leency	1062	add esi,12
		1063	add edi,12
		1064	loop @b
		1065	ret
1245	hidnplayr	1066	.zx:
8014	leency	1067	fld dword[edi] ;x
		1068	fld dword[edi+8] ;z
		1069	fstp dword[edi] ;x
		1070	fstp dword[edi+8] ;z
		1071	fld dword[esi] ;x
		1072	fld dword[esi+8] ;y
		1073	fstp dword[esi] ;x
		1074	fstp dword[esi+8] ;y
1245	hidnplayr	1075
8014	leency	1076	add esi,12
		1077	add edi,12
		1078	loop .zx
		1079	ret
1245	hidnplayr	1080	.yz:
8014	leency	1081	fld dword[edi+8] ;z
		1082	fld dword[edi+4] ;y
		1083	fstp dword[edi+8] ;z
		1084	fstp dword[edi+4] ;y
		1085	fld dword[esi+8] ;x
		1086	fld dword[esi+4] ;y
		1087	fstp dword[esi+8] ;x
		1088	fstp dword[esi+4] ;y
1245	hidnplayr	1089
8014	leency	1090	add edi,12
		1091	add esi,12
		1092	loop .yz
1245	hidnplayr	1093	ret
		1094
		1095	;#\\\\\\\\\\\\\\\\\\\\\\\\\comented///////////////////////////////
		1096	if 0
8014	leency	1097	calc_attenuation_light: ;; calculate point to spot_light distance
1245	hidnplayr	1098	; spot light with attenuation ;; and vector, normalize vector,
8014	leency	1099	;; calc dot_pr and unlinear color according
		1100	;; to dot_product, write to color buff
		1101	.distance equ dword[ebp-4] ;; color buff in bumpmap for save the mem
1245	hidnplayr	1102	.temp_col equ word[ebp-6]
		1103	.vector equ [ebp-20]
		1104	.spot_light_ptr equ dword [ebp-24]
8014	leency	1105	mov ebp,esp
		1106	sub esp,24
		1107	mov edi,rotated_points_r ;points_rotated
		1108	mov edx,point_normals_rotated
		1109	mov ecx,bumpmap ; mem area with temp points color list
		1110	xor ax,ax ; counter
		1111	mov esi,spot_light_params
		1112	mov .spot_light_ptr,esi
1245	hidnplayr	1113	.again_color:
8014	leency	1114	push eax
		1115	lea ebx,.vector
		1116	mov esi,.spot_light_ptr ; calc vector fom light to every point
		1117	call make_vector_r
		1118	; ebx - ptr to result vector
		1119	fld dword [ebx]
		1120	fmul st, st
		1121	fld dword [ebx+4]
		1122	fmul st, st
		1123	fld dword [ebx+8]
		1124	fmul st, st
		1125	faddp st1, st
		1126	faddp st1, st
		1127	fsqrt
		1128	fstp .distance
		1129	push edi
		1130	mov edi,ebx
		1131	call normalize_vector
		1132	; edi - normalized distance vector
		1133	mov esi,edx
		1134	call dot_product ; esi first vector, edi second vector
		1135	; st0 - dot product
		1136	fabs ; why not ? - think about it
		1137	pop edi
		1138	fldz
		1139	fcomip st1
		1140	jbe @f ; st1>0
		1141	mov dword[ecx],0
		1142	mov word[ecx+4],0
		1143	add ecx,6
		1144	ffree st0
		1145	jmp .update_counters
1245	hidnplayr	1146	@@:
		1147	; pop edi
		1148
8014	leency	1149	; calc color(with atenuation), write to buff
		1150	; buff - color of points list
		1151	; color = ambient+cos(x)diffuse+(cos(x)^n)specular
1245	hidnplayr	1152
8014	leency	1153	push edx
		1154	push edi
1245	hidnplayr	1155
8014	leency	1156	push ecx
		1157	push ebp
1245	hidnplayr	1158
		1159	; mov eax,spot_light_params
8014	leency	1160	mov eax,.spot_light_ptr
		1161	movzx dx,byte[eax+15]
		1162	push dx ; shines
		1163	movzx dx,byte[eax+8] ; b
		1164	push dx ; orginal col
		1165	movzx dx,byte[eax+7] ; g
		1166	push dx
		1167	movzx dx,byte[eax+6] ; r
		1168	push dx
		1169	movzx dx,byte[eax+14] ; max col
		1170	push dx
		1171	movzx dx,byte[eax+13]
		1172	push dx
		1173	movzx dx,byte[eax+12]
		1174	push dx
		1175	movzx dx,byte[eax+11] ; min col
		1176	push dx
		1177	movzx dx,byte[eax+10]
		1178	push dx
		1179	movzx dx,byte[eax+9]
		1180	push dx
		1181	push eax ; dot pr. (in st0)
		1182	call calc_one_col
		1183	; eax - 0x00rrggbb
		1184	; brightness = 1 - (distance/light.fadezero)^fogness
		1185	; if brightness < 0, then brightness = 0
		1186	; attenuetion equation taken from 3dica tutorial - 1/d^2 isn't perfect
		1187	; color = color * brightness ; fogness = <0.5,2.0>
		1188	pop ebp
		1189	pop ecx
1245	hidnplayr	1190
8014	leency	1191	fld .distance
		1192	mov esi,.spot_light_ptr
1245	hidnplayr	1193	; fidiv word[spot_light_params+16] ; fadezero
8014	leency	1194	fidiv word[esi+16] ; fadezero
1245	hidnplayr	1195	; fmul st,st0 ; fogness = 2
8014	leency	1196	fabs ; to be sure
		1197	fchs
		1198	fld1
		1199	faddp
		1200	fld1
		1201	fcomip st1
		1202	jnbe @f
		1203	ffree st0
		1204	fld1
1245	hidnplayr	1205	@@:
8014	leency	1206	fld st ; st - brightness
		1207	ror eax,16
		1208	movzx bx,al ; al - r
		1209	mov .temp_col,bx
		1210	fimul .temp_col
		1211	fistp word[ecx]
		1212	cmp word[ecx],0
		1213	jge @f
		1214	mov word[ecx],0
1245	hidnplayr	1215	@@:
		1216	; mov edx,dword[spot_light_params+12] ; max colors
8014	leency	1217	mov edx,dword[esi+12] ; max colors
		1218	movzx bx,dl ; r max
		1219	cmp word[ecx],bx ; choose the brightest for r, g, b
		1220	jl @f
		1221	mov word[ecx],bx
1245	hidnplayr	1222	@@:
		1223
8014	leency	1224	add ecx,2
		1225	fld st
		1226	ror eax,16
		1227	movzx bx,ah ; g
		1228	mov .temp_col,bx
		1229	fimul .temp_col
		1230	fistp word[ecx]
		1231	cmp word[ecx],0
		1232	jg @f
		1233	mov word[ecx],0
1245	hidnplayr	1234	@@:
8014	leency	1235	movzx bx,dh ; g max
		1236	cmp word[ecx],bx
		1237	jle @f
		1238	mov word[ecx],bx
1245	hidnplayr	1239	@@:
		1240
8014	leency	1241	add ecx,2
		1242	movzx bx,al ; b
		1243	mov .temp_col,bx
		1244	fimul .temp_col
		1245	fistp word[ecx]
		1246	cmp word[ecx],0
		1247	jg @f
		1248	mov word[ecx],0
1245	hidnplayr	1249	@@:
8014	leency	1250	shr edx,16
		1251	movzx bx,dl ; b max
		1252	cmp word[ecx],bx
		1253	jle @f
		1254	mov word[ecx],bx
1245	hidnplayr	1255	@@:
8014	leency	1256	add ecx,2
1245	hidnplayr	1257	;end if
		1258	; ror eax,16
		1259	; movzx bx,al
		1260	; mov word[ecx],bx
		1261	; ror eax,16
		1262	; movzx bx,ah
		1263	; mov word[ecx+2],bx
		1264	; xor ah,ah
		1265	; mov word[ecx+4],ax
		1266	; add ecx,6
		1267
8014	leency	1268	pop edi
		1269	pop edx
1245	hidnplayr	1270
		1271	.update_counters:
8014	leency	1272	add edx,12 ; normal_size
		1273	add edi,12 ;6 ; 3d point_coord_size
1245	hidnplayr	1274
8014	leency	1275	pop eax
		1276	inc ax
		1277	cmp ax,[points_count_var]
		1278	jne .again_color
1245	hidnplayr	1279
8014	leency	1280	add .spot_light_ptr,18
		1281	cmp .spot_light_ptr,spot_l_end
		1282	jl .again_color
1245	hidnplayr	1283
8014	leency	1284	mov esp,ebp
1245	hidnplayr	1285	ret
		1286	end if
		1287	;#\\\\\\\\\\\\\\\\\\\\\\\\\comented////////////////////////////////////

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(root)/programs/demos/3DS/B_PROCS.INC – Rev 8014