forked from KolibriOS/kolibrios
2755 lines
61 KiB
NASM
2755 lines
61 KiB
NASM
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; application : View3ds ver. 0.053 - tiny .3ds files viewer.
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; compiler : FASM 1.65.13
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; system : KolibriOS/MenuetOS
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; author : Macgub aka Maciej Guba
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; email : macgub3@wp.pl
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; web : www.menuet.xt.pl
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; Fell free to use this intro in your own distribution of KolibriOS/MenuetOS.
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; Special greetings to all MenuetOS maniax in the world.
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; I hope because my intros Christian Belive will be near to each of You.
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; Some adjustments made by Madis Kalme
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; madis.kalme@mail.ee
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; I tried optimizing it a bit, but don't know if it was successful. The objects
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; can be:
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; 1) Read from a file (*.3DS standard)
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; 2) Written in manually (at the end of the code)
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;include 'proc32.inc'
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SIZE_X equ 512
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SIZE_Y equ 512 ; ///// I want definitely
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TIMEOUT equ 10 ; ------ say:
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ROUND equ 10 ; \ @ @/ keep smiling every
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TEX_X equ 512 ; texture width ; \ ./ / day.
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TEX_Y equ 512 ; height ; \/ /
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TEX_SHIFT equ 9 ; texture width shifting ; __||__ /
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TEXTURE_SIZE EQU (TEX_X * TEX_Y)-1 ; /| |
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TEX equ SHIFTING ; TEX={SHIFTING | FLUENTLY} ; / \ /
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FLUENTLY = 0 ; / | |
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SHIFTING = 1 ; ------
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CATMULL_SHIFT equ 8 ; | |
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LIGHT_SIZE equ 22 ; | |
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NON = 0 ; -/ \-
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MMX = 1
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SSE = 2
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Ext = MMX ;Ext={ NON | MMX | SSE}
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; 0 for short names (Menuet-compatible), 1 for long names (Kolibri features)
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USE_LFN = 1
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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 MEM_END ; memory for app
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dd MEM_END ; esp
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dd I_Param ; I_Param
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dd 0x0 ; I_Icon
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START: ; start of execution
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cld
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call alloc_buffer_mem
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call read_param
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call read_from_disk ; read, if all is ok eax = 0
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cmp eax,0
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jne .gen
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call read_tp_variables ; init points and triangles count variables
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cmp eax,0
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je .gen
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jmp .malloc
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.gen:
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if USE_LFN
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mov [triangles_count_var],1000
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mov [points_count_var],1000
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call alloc_mem_for_tp
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end if
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call generate_object
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jmp .opt
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.malloc:
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if USE_LFN
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call alloc_mem_for_tp
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end if
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call read_from_file
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.opt:
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call optimize_object1 ; proc in file b_procs.asm
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; set point(0,0,0) in center and calc all coords
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; to be in <-1.0,1.0>
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call normalize_all_light_vectors
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call init_triangles_normals2
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call init_point_normals
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; call init_envmap2
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call init_envmap_cub
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call generate_texture2
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call init_sincos_tab
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call do_color_buffer ; intit color_map
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mov edi,bumpmap
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call calc_bumpmap
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call calc_bumpmap_coords ; bump and texture mapping
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call draw_window
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still:
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mov eax,23 ; wait here for event with timeout
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mov ebx,TIMEOUT
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cmp [speed_flag],1
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jne .skip
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mov eax,11
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.skip:
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int 0x40
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cmp eax,1 ; redraw request ?
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je red
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cmp eax,2 ; key in buffer ?
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je key
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cmp eax,3 ; button in buffer ?
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je button
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jmp noclose
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red: ; redraw
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call draw_window
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jmp noclose
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key: ; key
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mov eax,2 ; just read it and ignore
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int 0x40
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jmp noclose
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button: ; button
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mov eax,17 ; get id
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int 0x40
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cmp ah,1 ; button id=1 ?
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jne @f
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mov eax,-1 ; close this program
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int 0x40
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@@:
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cmp ah,30
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jge add_vec_buttons
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call update_flags ; update flags and write labels of flags
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; do other operations according to flag
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cmp ah,3 ; ah = 3 -> shading model
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jne .next_m6
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cmp [dr_flag],2
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jne @f
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call init_envmap2
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; call init_envmap_cub2
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@@:
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cmp [dr_flag],4
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jne @f
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call generate_texture2
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@@:
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.next_m6:
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; ah = 5 -> scale-
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cmp ah,5
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jne @f
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mov [scale],0.7
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fninit
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fld [rsscale]
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fmul [scale]
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fstp [rsscale]
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@@:
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cmp ah,6 ; ah = 6 -> scale+
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jne @f
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mov [scale],1.3
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fninit
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fld [rsscale]
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fmul [scale]
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fstp [rsscale]
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@@:
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cmp ah,9 ; lights random ; 'flat' 0
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jne .next_m5 ; 'grd ' 1
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call make_random_lights ; 'env ' 2
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call normalize_all_light_vectors ; 'bump' 3
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call do_color_buffer ; intit color_map ; 'tex ' 4
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cmp [emboss_flag],1 ; 'pos ' 5
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je @f ; 'dots' 6
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cmp [dr_flag],8
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jge @f
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cmp [dr_flag],2 ; 'txgr' 7
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jl .next_m5 ; '2tex' 8
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cmp [dr_flag],3 ; 'btex' 9
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jg .next_m5
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@@:
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call init_envmap2 ; update env map if shading model = environment or bump
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.next_m5:
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cmp ah,11
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je @f
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cmp ah,12
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je @f
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cmp ah,13
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jne .next_m4
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@@:
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call mirror
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.next_m4:
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cmp ah,14
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jne @f
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call exchange
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@@:
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cmp ah,15
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jne @f
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cmp [emboss_flag],1
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call init_envmap2
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@@:
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; cmp ah,17
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; jne .next_m
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; cmp [move_flag],2
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; jne @f
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; call draw_window ; redraw other labels to navigation buttons
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; @@:
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; cmp [move_flag],0
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; jne .next_m
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; call draw_window ; redraw other labels to navigation buttons
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.next_m:
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cmp ah,18
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jne .next_m2
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mov bl,[generator_flag]
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or bl,bl
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jz .next_m2
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cmp bl,1
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jne @f
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call generate_object
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jmp .calc_norm
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@@:
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cmp bl,4
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jg @f
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movzx ax,bl ; ax < - object number
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call generate_object2
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jmp .calc_norm
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@@:
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call generate_object3
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.calc_norm:
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call optimize_object1
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call init_triangles_normals2
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call init_point_normals
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call calc_bumpmap_coords ; bump and texture mapping
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.next_m2:
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cmp ah,19
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je @f
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cmp ah,20
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jne .next_m3
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@@:
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mov edi,bumpmap
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call calc_bumpmap
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.next_m3:
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jmp noclose
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; there are 6 navigation buttons each
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add_vec_buttons: ; can move: object, camera,.. list is open
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;
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cmp ah,30
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jne .next
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cmp [move_flag],1
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je @f
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; cmp [move_flag],2
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; je .set_light1
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sub [vect_y],10
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jmp .next
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@@:
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sub [yobs],10 ; observator = camera position
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jmp .next
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;--------------------------------------------------
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; .set_light1: ; r -
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; movzx ebx,[light_no_flag] ; * 22
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; mov ecx,ebx
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; shl ebx,4
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; shl ecx,1
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; add ebx,ecx
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; shl ecx,1
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; add ebx,ecx
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; add ebx,lights+6 ; 6 -> light vector size
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;
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; movzx ecx,[light_comp_flag]
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; lea ecx,[ecx*3}
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; add ebx,ecx ; ebx -> color to set
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;---------------------------------------------------
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.next:
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cmp ah,31
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jne .next1
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cmp [move_flag],1
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je @f
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add [vect_z],10
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jmp .next1
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@@:
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add [zobs],10 ; observator = camera position
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.next1:
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cmp ah,33
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jne .next2
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cmp [move_flag],1
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je @f
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sub [vect_x],10
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jmp .next2
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@@:
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sub [xobs],10 ; observator = camera position
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.next2:
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cmp ah,32
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jne .next3
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cmp [move_flag],1
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je @f
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add [vect_x],10
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jmp .next3
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@@:
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add [xobs],10 ; observator = camera position
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.next3:
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cmp ah,34
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jne .next4
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cmp [move_flag],1
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je @f
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sub [vect_z],10
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jmp .next4
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@@:
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sub [zobs],10 ; observator = camera position
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.next4:
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cmp ah,35
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jne .next5
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cmp [move_flag],1
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je @f
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; call add_vector
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add [vect_y],10
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jmp .next5
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@@:
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add [yobs],10 ; observator = camera position
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.next5:
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noclose:
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cmp [r_flag],2
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jne .no_x
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inc [angle_x]
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and [angle_x],0xff
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mov [angle_z],0
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jmp .end_rot
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.no_x:
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cmp [r_flag],0
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jne .no_y
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inc [angle_y]
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and [angle_y],0xff
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mov [angle_z],0
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jmp .end_rot
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.no_y:
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cmp [r_flag],1
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jne .end_rot
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mov cx,[angle_x]
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inc cx
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and cx,0xff
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mov [angle_z],0
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mov [angle_y],cx
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mov [angle_x],cx
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.end_rot:
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mov esi,angle_x
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mov edi,matrix
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call make_rotation_matrix
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; RDTSC
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; push eax
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mov esi,[points_normals_ptr]
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mov edi,[points_normals_rot_ptr]
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mov ebx,matrix
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movzx ecx,[points_count_var]
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call rotary
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mov esi,matrix
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call add_scale_to_matrix
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mov esi,[points_ptr]
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mov edi,[points_rotated_ptr]
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mov ebx,matrix
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movzx ecx,[points_count_var]
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call rotary
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; RDTSC
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; pop ebx
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; sub eax,ebx
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; sub eax,41
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; push eax
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mov esi,[points_rotated_ptr]
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mov edi,[points_translated_ptr]
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movzx ecx,[points_count_var]
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call translate_points
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; cmp [dr_flag],5
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; jne @f
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; call calc_attenuation_light
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; @@:
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cmp [fire_flag],0
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jne @f
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call clrscr ; clear the screen
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@@:
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cmp [catmull_flag],1 ;non sort if Catmull = on
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je .no_sort
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call sort_triangles
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.no_sort:
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cmp [dr_flag],7 ; fill if 2tex and texgrd
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jge @f
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cmp [catmull_flag],0 ;non fill if Catmull = off
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je .non_f
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cmp [dr_flag],6 ; non fill if dots
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je .non_f
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@@:
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call fill_Z_buffer ; make background
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.non_f:
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RDTSC
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push eax
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cmp [dr_flag],6
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jne @f
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call draw_dots
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jmp .blurrr
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@@:
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call draw_triangles ; draw all triangles from the list
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.blurrr:
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cmp [fire_flag],0
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jne @f
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cmp [blur_flag],0
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je .no_blur ; no blur, no fire
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movzx ecx,[blur_flag]
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call blur_screen ; blur and fire
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jmp .no_blur
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@@:
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cmp [emboss_flag],0
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jne .emb ; if emboss=true -> no fire
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movzx ecx,[fire_flag]
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call blur_screen ; blur and fire
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.no_blur: ; no blur, no fire
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cmp [emboss_flag],0
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je @f
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.emb:
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call do_emboss
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@@:
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RDTSC
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sub eax,[esp]
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sub eax,41
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; pop eax
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mov ecx,10
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.dc:
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xor edx,edx
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mov edi,10
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div edi
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add dl,30h
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mov [STRdata+ecx-1],dl
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loop .dc
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pop eax
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mov eax,7 ; put image
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mov ebx,screen
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mov ecx,SIZE_X shl 16 + SIZE_Y
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mov edx,5 shl 16 + 20
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int 0x40
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mov eax,4 ; function 4 : write text to window
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mov ebx,5*65536+23 ; [x start] *65536 + [y start]
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mov ecx,-1
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mov edx,STRdata ; pointer to text beginning
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mov esi,10 ; text length
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int 40h
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jmp still
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;--------------------------------------------------------------------------------
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;-------------------------PROCEDURES---------------------------------------------
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;--------------------------------------------------------------------------------
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include "tex3.inc"
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include "flat_cat.inc"
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include "tex_cat.inc"
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include "bump_cat.inc"
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include "3dmath.inc"
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include "grd3.inc"
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include "flat3.inc"
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include "bump3.inc"
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include "b_procs.inc"
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include "a_procs.inc"
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include "grd_cat.inc"
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include "bump_tex.inc"
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include "grd_tex.inc"
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include "two_tex.inc"
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alloc_buffer_mem:
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movzx ecx,[size_x]
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movzx eax,[size_y]
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mul ecx
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lea ecx,[eax*3]
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push ecx
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shl eax,2
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add ecx,eax
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add ecx,MEM_END
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mov ebx,1
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mov eax,64 ; allocate mem - resize app mem
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int 0x40
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mov [screen_ptr],MEM_END
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mov [Zbuffer_ptr],MEM_END
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pop ecx
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add [Zbuffer_ptr],ecx
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ret
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update_flags:
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; updates flags and writing flag description
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; in ah - button number
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push ax
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mov edi,menu
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.ch_another:
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cmp ah,byte[edi] ; ah = button id
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jne @f
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mov bl,byte[edi+11] ; max_flag + 1
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cmp bl,255
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je .no_write
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inc byte[edi+12] ; flag
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cmp byte[edi+12],bl
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jne .write
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mov byte[edi+12],0
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jmp .write
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@@:
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add edi,17
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cmp byte[edi],-1
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jne .ch_another
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.write:
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; clreol {pascal never dies}
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; * eax = 13 - function number
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; * ebx = [coordinate on axis x]*65536 + [size on axis x]
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; * ecx = [coordinate on axis y]*65536 + [size on axis y]
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; * edx = color 0xRRGGBB or 0x80RRGGBB for gradient fill
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mov eax,13 ; function 13 write rectangle
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movzx ecx,byte[edi]
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sub cl,2
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lea ecx,[ecx*3]
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lea ecx,[ecx*5]
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add ecx,28
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shl ecx,16
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add ecx,14 ; ecx = [coord y]*65536 + [size y]
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mov ebx,(SIZE_X+12+70)*65536+25 ; [x start] *65536 + [size x]
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mov edx,0x00000000 ; color 0x00RRGGBB
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int 0x40
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mov eax,4 ; function 4 : write text to window
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movzx ebx,byte[edi]
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sub bl,2
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lea ebx,[ebx*3]
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lea ebx,[ebx*5]
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add ebx,(SIZE_X+12+70)*65536+28 ; [x start] *65536 + [y start]
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mov ecx,0x20ddeeff ; font 1 & color ( 0xF0RRGGBB )
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movzx edx,byte[edi+12] ; current flag
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shl edx,2 ; * 4 = text length
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add edx,dword[edi+13] ; pointer to text beginning
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mov esi,4 ; text length -
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; flag description 4 characters
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int 0x40
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.no_write:
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pop ax
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ret
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normalize_all_light_vectors:
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mov edi,lights
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@@:
|
|
call normalize_vector ; 3dmath.inc
|
|
add edi,LIGHT_SIZE
|
|
cmp edi,lightsend ;ecx
|
|
jl @b
|
|
ret
|
|
|
|
calc_bumpmap_coords: ; map texture, bump
|
|
;macro .comment222
|
|
; ; planar mapping
|
|
; mov esi,points
|
|
; mov edi,tex_points
|
|
; @@:
|
|
; add esi,2
|
|
; movsd
|
|
; cmp dword[esi],dword -1
|
|
; jne @b
|
|
|
|
; .Pi2 equ dword[ebp-4]
|
|
|
|
; mov ebp,esp
|
|
; sub esp,4
|
|
|
|
fninit ; spherical mapping around y axle
|
|
fldpi
|
|
fadd st,st
|
|
; fstp .Pi2
|
|
mov esi,[points_ptr]
|
|
mov edi,tex_points
|
|
movzx ecx,[points_count_var]
|
|
inc ecx
|
|
|
|
@@:
|
|
fld dword[esi] ; x coord
|
|
fld dword[esi+8] ; z coord
|
|
fpatan ; arctg(st1/st)
|
|
; fdiv .Pi2
|
|
fdiv st0,st1
|
|
fimul [tex_x_div2]
|
|
fiadd [tex_x_div2]
|
|
fistp word[edi] ; x
|
|
|
|
fld dword[esi+4] ; y coord
|
|
fld dword[esi] ; x
|
|
fmul st,st0
|
|
fld dword[esi+4] ; y
|
|
fmul st,st0
|
|
fld dword[esi+8] ; z
|
|
fmul st,st0
|
|
faddp
|
|
faddp
|
|
fsqrt
|
|
fpatan
|
|
fldpi
|
|
fdivp
|
|
fimul [tex_y_div2]
|
|
fiadd [tex_y_div2]
|
|
fistp word[edi+2] ; y
|
|
|
|
add esi,12
|
|
add edi,4
|
|
loop @b
|
|
ffree st0
|
|
|
|
; mov esp,ebp
|
|
ret
|
|
|
|
|
|
init_envmap2: ; do env_map using many light sources
|
|
;env_map 512 x 512 x 3 bytes
|
|
.temp equ word [ebp-2]
|
|
.nEy equ word [ebp-4]
|
|
.nEx equ word [ebp-6]
|
|
.col_r equ [ebp-8]
|
|
.col_g equ [ebp-9]
|
|
.col_b equ [ebp-10]
|
|
|
|
push ebp
|
|
mov ebp,esp
|
|
sub esp,20
|
|
mov edi,envmap
|
|
fninit
|
|
|
|
mov dx,- TEX_Y / 2 ;256 ; dx - vertical coordinate = y
|
|
.ie_ver:
|
|
mov cx,- TEX_X / 2 ;256 ; cx - horizontal coord = x
|
|
.ie_hor:
|
|
xor ebx,ebx
|
|
mov dword .col_b, 0
|
|
.light:
|
|
lea esi,[lights+ebx]
|
|
fld dword[esi] ; light vector x cooficient
|
|
fimul [tex_x_div2] ;[i256]
|
|
mov .temp,cx
|
|
fisubr .temp
|
|
fistp .nEx
|
|
fld dword[esi+4] ; light vector y cooficient
|
|
fimul [tex_y_div2] ;[i256]
|
|
mov .temp,dx
|
|
fisubr .temp
|
|
fistp .nEy
|
|
|
|
cmp .nEx,- TEX_X / 2 ;256
|
|
jl .update_counters
|
|
cmp .nEy,- TEX_Y / 2 ;256
|
|
jl .update_counters
|
|
cmp .nEx,TEX_X / 2 ;256
|
|
jg .update_counters
|
|
cmp .nEy,TEX_Y / 2 ;256
|
|
jg .update_counters
|
|
|
|
fild .nEx
|
|
fmul st,st0
|
|
fild .nEy
|
|
fmul st,st0
|
|
faddp
|
|
fsqrt
|
|
fisubr [i256]
|
|
fmul [env_const]
|
|
fidiv [i256] ; st - 'virtual' dot product
|
|
|
|
fcom [dot_max]
|
|
fstsw ax
|
|
sahf
|
|
jb @f
|
|
ffree st
|
|
fld1 ;[dot_max]
|
|
@@:
|
|
fcom [dot_min]
|
|
fstsw ax
|
|
sahf
|
|
ja @f
|
|
ffree st
|
|
fldz ;[dot_min]
|
|
@@:
|
|
push ebp
|
|
movzx ax,byte[esi+21]
|
|
push ax ;- shines
|
|
mov al,byte[esi+14] ; b orginal color
|
|
push ax
|
|
mov al,byte[esi+13] ; g
|
|
push ax
|
|
mov al,byte[esi+12] ; r
|
|
push ax
|
|
mov al,byte[esi+20] ; b max color
|
|
push ax
|
|
mov al,byte[esi+19] ; g
|
|
push ax
|
|
mov al,byte[esi+18] ; r
|
|
push ax
|
|
mov al,byte[esi+17] ; b min col
|
|
push ax
|
|
mov al,byte[esi+16] ; g
|
|
push ax
|
|
mov al,byte[esi+15] ; r
|
|
push ax
|
|
push eax ; earlier - dot pr
|
|
; fstp .dot_product
|
|
; push .dot_product
|
|
call calc_one_col
|
|
pop ebp
|
|
; eax-0x00rrggbb
|
|
cmp al,.col_b
|
|
jbe @f
|
|
mov .col_b,al
|
|
@@: ; eax - ggbb00rr
|
|
shr ax,8
|
|
cmp al,.col_g
|
|
jbe @f
|
|
mov .col_g,al
|
|
@@: ; eax - bb0000gg
|
|
shr eax,16
|
|
cmp al,.col_r
|
|
jbe @f
|
|
mov .col_r,al
|
|
@@:
|
|
.update_counters: ; update and jump when neccesery
|
|
add ebx,LIGHT_SIZE
|
|
cmp bx,[all_lights_size]
|
|
jl .light ; next_light
|
|
mov eax,dword .col_b
|
|
stosd
|
|
dec edi
|
|
|
|
inc cx
|
|
cmp cx,TEX_X / 2 ;256
|
|
jne .ie_hor
|
|
|
|
inc dx
|
|
cmp dx,TEX_Y / 2 ;256
|
|
jne .ie_ver
|
|
|
|
mov esp,ebp
|
|
pop ebp
|
|
ret
|
|
|
|
do_color_buffer: ; do color buffer for Gouraud, flat shading
|
|
;env_map 512 x 512 x 3 bytes ; many lights using
|
|
.temp equ word [ebp-2]
|
|
.nz equ dword [ebp-6] ; dword
|
|
.ny equ dword [ebp-10]
|
|
.nx equ dword [ebp-14]
|
|
.col_r equ [ebp-16]
|
|
.col_g equ [ebp-17]
|
|
.col_b equ [ebp-18]
|
|
|
|
push ebp
|
|
mov ebp,esp
|
|
sub esp,20
|
|
mov edi,color_map
|
|
fninit
|
|
|
|
mov dx,- TEX_Y / 2 ;-256 ; dx - vertical coordinate = y
|
|
.ie_ver:
|
|
mov cx,- TEX_X / 2 ;256 ; cx - horizontal coord = x
|
|
.ie_hor:
|
|
mov .temp,cx
|
|
fild .temp
|
|
fidiv [i256] ;st = Nx - vector normal x cooficient
|
|
fst .nx
|
|
fmul st,st0
|
|
mov .temp,dx
|
|
fild .temp
|
|
fidiv [i256] ; st = Ny - vector normal y coeficient
|
|
fst .ny
|
|
fmul st,st0
|
|
faddp
|
|
fld1
|
|
fchs
|
|
faddp
|
|
fabs
|
|
fsqrt
|
|
fchs
|
|
fstp .nz ; st - Nz - vect normal z coeficient
|
|
xor ebx,ebx
|
|
mov dword .col_b, 0
|
|
.light:
|
|
push edi ;env_map
|
|
lea esi,[lights+ebx]
|
|
lea edi,.nx
|
|
call dot_product
|
|
pop edi
|
|
fcom [dot_min]
|
|
fstsw ax
|
|
sahf
|
|
ja .env_ok1 ;compare with dot_max
|
|
ffree st
|
|
|
|
jmp .update_counters
|
|
.env_ok1:
|
|
fcom [dot_max]
|
|
fstsw ax
|
|
sahf
|
|
jb .env_ok2 ; calc col
|
|
ffree st
|
|
jmp .update_counters
|
|
.env_ok2: ;calc col
|
|
push ebp
|
|
movzx ax,byte[esi+21]
|
|
push ax ;- shines
|
|
mov al,byte[esi+14] ; b orginal color
|
|
push ax
|
|
mov al,byte[esi+13] ; g
|
|
push ax
|
|
mov al,byte[esi+12] ; r
|
|
push ax
|
|
mov al,byte[esi+20] ; b max color
|
|
push ax
|
|
mov al,byte[esi+19] ; g
|
|
push ax
|
|
mov al,byte[esi+18] ; r
|
|
push ax
|
|
mov al,byte[esi+17] ; b min col
|
|
push ax
|
|
mov al,byte[esi+16] ; g
|
|
push ax
|
|
mov al,byte[esi+15] ; r
|
|
push ax
|
|
push eax ; earlier - dot pr
|
|
; fstp .dot_product
|
|
; push .dot_product
|
|
call calc_one_col
|
|
pop ebp
|
|
; eax-0x00rrggbb
|
|
cmp al,.col_b
|
|
jbe @f
|
|
mov .col_b,al
|
|
@@:
|
|
shr ax,8
|
|
cmp al,.col_g
|
|
jbe @f
|
|
mov .col_g,al
|
|
@@:
|
|
shr eax,16
|
|
cmp al,.col_r
|
|
jbe @f
|
|
mov .col_r,al
|
|
@@:
|
|
.update_counters: ; update and jump when neccesery
|
|
add ebx,LIGHT_SIZE
|
|
cmp bx,[all_lights_size]
|
|
jl .light ; next_light
|
|
mov eax,dword .col_b
|
|
stosd
|
|
dec edi
|
|
|
|
inc cx
|
|
cmp cx,TEX_X / 2 ;256
|
|
jne .ie_hor
|
|
|
|
inc dx
|
|
cmp dx,TEX_X / 2 ;256
|
|
jne .ie_ver
|
|
|
|
.env_done:
|
|
mov esp,ebp
|
|
pop ebp
|
|
ret
|
|
if 0
|
|
init_triangles_normals:
|
|
mov ebx,triangles_normals
|
|
mov ebp,triangles
|
|
@@:
|
|
push ebx
|
|
mov ebx,vectors
|
|
movzx esi,word[ebp] ; first point index
|
|
lea esi,[esi*3]
|
|
lea esi,[points+esi*2] ; esi - pointer to 1st 3d point
|
|
movzx edi,word[ebp+2] ; second point index
|
|
lea edi,[edi*3]
|
|
lea edi,[points+edi*2] ; edi - pointer to 2nd 3d point
|
|
call make_vector
|
|
add ebx,12
|
|
mov esi,edi
|
|
movzx edi,word[ebp+4] ; third point index
|
|
lea edi,[edi*3]
|
|
lea edi,[points+edi*2]
|
|
call make_vector
|
|
mov edi,ebx ; edi - pointer to 2nd vector
|
|
mov esi,ebx
|
|
sub esi,12 ; esi - pointer to 1st vector
|
|
pop ebx
|
|
call cross_product
|
|
mov edi,ebx
|
|
call normalize_vector
|
|
add ebp,6
|
|
add ebx,12
|
|
cmp dword[ebp],-1
|
|
jne @b
|
|
ret
|
|
end if
|
|
init_point_normals:
|
|
.x equ dword [ebp-4]
|
|
.y equ dword [ebp-8]
|
|
.z equ dword [ebp-12]
|
|
.point_number equ word [ebp-26]
|
|
.hit_faces equ word [ebp-28]
|
|
|
|
fninit
|
|
mov ebp,esp
|
|
sub esp,28
|
|
mov edi,[points_normals_ptr]
|
|
mov .point_number,0
|
|
.ipn_loop:
|
|
mov .hit_faces,0
|
|
mov .x,0
|
|
mov .y,0
|
|
mov .z,0
|
|
mov esi,[triangles_ptr]
|
|
xor ecx,ecx ; ecx - triangle number
|
|
.ipn_check_face:
|
|
xor ebx,ebx ; ebx - 'position' in one triangle
|
|
.ipn_check_vertex:
|
|
movzx eax,word[esi+ebx] ; eax - point_number
|
|
cmp ax,.point_number
|
|
jne .ipn_next_vertex
|
|
push esi
|
|
mov esi,ecx
|
|
lea esi,[esi*3]
|
|
; lea esi,[triangles_normals+esi*4]
|
|
shl esi,2
|
|
add esi,[triangles_normals_ptr]
|
|
|
|
fld .x
|
|
fadd dword[esi+vec_x] ; vec_x this defined in 3dmath.asm - x cooficient
|
|
fstp .x ; of normal vactor
|
|
fld .y
|
|
fadd dword[esi+vec_y]
|
|
fstp .y
|
|
fld .z
|
|
fadd dword[esi+vec_z]
|
|
fstp .z
|
|
pop esi
|
|
inc .hit_faces
|
|
jmp .ipn_next_face
|
|
.ipn_next_vertex:
|
|
add ebx,2
|
|
cmp ebx,6
|
|
jne .ipn_check_vertex
|
|
.ipn_next_face:
|
|
add esi,6
|
|
inc ecx
|
|
cmp cx,[triangles_count_var]
|
|
jne .ipn_check_face
|
|
|
|
fld .x
|
|
fidiv .hit_faces
|
|
fstp dword[edi+vec_x]
|
|
fld .y
|
|
fidiv .hit_faces
|
|
fstp dword[edi+vec_y]
|
|
fld .z
|
|
fidiv .hit_faces
|
|
fstp dword[edi+vec_z]
|
|
call normalize_vector
|
|
add edi,12 ;type vector 3d
|
|
inc .point_number
|
|
mov dx,.point_number
|
|
cmp dx,[points_count_var]
|
|
jne .ipn_loop
|
|
|
|
mov esp,ebp
|
|
ret
|
|
;===============================================================
|
|
|
|
init_triangles_normals2:
|
|
mov ebx,[triangles_normals_ptr]
|
|
mov ebp,[triangles_ptr]
|
|
@@:
|
|
push ebx
|
|
mov ebx,vectors
|
|
movzx esi,word[ebp] ; first point index
|
|
lea esi,[esi*3]
|
|
; lea esi,[points+esi*2] ; esi - pointer to 1st 3d point
|
|
shl esi,2
|
|
add esi,[points_ptr]
|
|
movzx edi,word[ebp+2] ; first point index
|
|
lea edi,[edi*3]
|
|
shl edi,2
|
|
add edi,[points_ptr]
|
|
; movzx edi,word[ebp+2] ; second point index
|
|
; lea edi,[edi*3]
|
|
; lea edi,[points+edi*2] ; edi - pointer to 2nd 3d point
|
|
call make_vector_r
|
|
add ebx,12
|
|
mov esi,edi
|
|
movzx edi,word[ebp+4] ; third point index
|
|
lea edi,[edi*3]
|
|
shl edi,2
|
|
add edi,[points_ptr]
|
|
; lea edi,[points+edi*2]
|
|
call make_vector_r
|
|
mov edi,ebx ; edi - pointer to 2nd vector
|
|
mov esi,ebx
|
|
sub esi,12 ; esi - pointer to 1st vector
|
|
pop ebx
|
|
call cross_product
|
|
mov edi,ebx
|
|
call normalize_vector
|
|
add ebp,6
|
|
add ebx,12
|
|
cmp dword[ebp],-1
|
|
jne @b
|
|
ret
|
|
|
|
|
|
;=================================================================
|
|
sort_triangles:
|
|
mov esi,[triangles_ptr]
|
|
mov edi,triangles_with_z
|
|
mov ebp,[points_translated_ptr]
|
|
|
|
make_triangle_with_z: ;makes list with triangles and z position
|
|
movzx eax,word[esi]
|
|
lea eax,[eax*3]
|
|
movzx ecx,word[ebp+eax*2+4]
|
|
|
|
movzx eax,word[esi+2]
|
|
lea eax,[eax*3]
|
|
add cx,word[ebp+eax*2+4]
|
|
|
|
movzx eax,word[esi+4]
|
|
lea eax,[eax*3]
|
|
add cx,word[ebp+eax*2+4]
|
|
|
|
mov ax,cx
|
|
; cwd
|
|
; idiv word[i3]
|
|
movsd ; store vertex coordinates
|
|
movsw
|
|
stosw ; middle vertex coordinate 'z' in triangles_with_z list
|
|
cmp dword[esi],-1
|
|
jne make_triangle_with_z
|
|
movsd ; copy end mark
|
|
mov eax,4
|
|
lea edx,[edi-8-trizdd]
|
|
; lea edx, [edi-8]
|
|
; sub edx,[triangles_w_z_ptr]
|
|
mov [high],edx
|
|
call quicksort
|
|
mov eax,4
|
|
mov edx,[high]
|
|
call insertsort
|
|
jmp end_sort
|
|
|
|
quicksort:
|
|
mov ecx,edx
|
|
sub ecx,eax
|
|
cmp ecx,32
|
|
jc .exit
|
|
lea ecx,[eax+edx]
|
|
shr ecx,4
|
|
lea ecx,[ecx*8-4];
|
|
; mov edi,[triangles_w_z_ptr]
|
|
; mov ebx,[edi+eax]
|
|
; mov esi,[edi+ecx]
|
|
; mov edi,[edi+edx]
|
|
mov ebx,[trizdd+eax]; trizdd[l]
|
|
mov esi,[trizdd+ecx]; trizdd[i]
|
|
mov edi,[trizdd+edx]; trizdd[h]
|
|
cmp ebx,esi
|
|
jg @f ; direction NB! you need to negate these to invert the order
|
|
if Ext=NON
|
|
mov [trizdd+eax],esi
|
|
mov [trizdd+ecx],ebx
|
|
mov ebx,[trizdd+eax-4]
|
|
mov esi,[trizdd+ecx-4]
|
|
mov [trizdd+eax-4],esi
|
|
mov [trizdd+ecx-4],ebx
|
|
mov ebx,[trizdd+eax]
|
|
mov esi,[trizdd+ecx]
|
|
else
|
|
; push ebx
|
|
; mov ebx,[triangles_w_z_ptr]
|
|
; movq mm0,[ebx+eax-4]
|
|
; movq mm1,[ebx+ecx-4]
|
|
; movq [ebx+ecx-4],mm0
|
|
; movq [ebx+eax-4],mm1
|
|
; pop ebx
|
|
movq mm0,[trizdq+eax-4]
|
|
movq mm1,[trizdq+ecx-4]
|
|
movq [trizdq+ecx-4],mm0
|
|
movq [trizdq+eax-4],mm1
|
|
xchg ebx,esi
|
|
end if
|
|
@@:
|
|
cmp ebx,edi
|
|
jg @f ; direction
|
|
if Ext=NON
|
|
mov [trizdd+eax],edi
|
|
mov [trizdd+edx],ebx
|
|
mov ebx,[trizdd+eax-4]
|
|
mov edi,[trizdd+edx-4]
|
|
mov [trizdd+eax-4],edi
|
|
mov [trizdd+edx-4],ebx
|
|
mov ebx,[trizdd+eax]
|
|
mov edi,[trizdd+edx]
|
|
else
|
|
; push ebx
|
|
; mov ebx,[triangles_w_z_ptr]
|
|
; movq mm0,[ebx+eax-4]
|
|
; movq mm1,[ebx+edx-4]
|
|
; movq [ebx+edx-4],mm0
|
|
; movq [ebx+eax-4],mm1
|
|
movq mm0,[trizdq+eax-4]
|
|
movq mm1,[trizdq+edx-4]
|
|
movq [trizdq+edx-4],mm0
|
|
movq [trizdq+eax-4],mm1
|
|
; pop ebx
|
|
xchg ebx,edi
|
|
end if
|
|
@@:
|
|
cmp esi,edi
|
|
jg @f ; direction
|
|
if Ext=NON
|
|
mov [trizdd+ecx],edi
|
|
mov [trizdd+edx],esi
|
|
mov esi,[trizdd+ecx-4]
|
|
mov edi,[trizdd+edx-4]
|
|
mov [trizdd+ecx-4],edi
|
|
mov [trizdd+edx-4],esi
|
|
else
|
|
; push ebx
|
|
; mov ebx,[triangles_w_z_ptr]
|
|
; movq mm0,[ebx+ecx-4]
|
|
; movq mm1,[ebx+edx-4]
|
|
; movq [ebx+edx-4],mm0
|
|
; movq [ebx+ecx-4],mm1
|
|
; pop ebx
|
|
|
|
movq mm0,[trizdq+ecx-4]
|
|
movq mm1,[trizdq+edx-4]
|
|
movq [trizdq+edx-4],mm0
|
|
movq [trizdq+ecx-4],mm1
|
|
xchg ebx,esi
|
|
end if
|
|
@@:
|
|
mov ebp,eax ; direction
|
|
add ebp,8 ; j
|
|
if Ext=NON
|
|
mov esi,[trizdd+ebp]
|
|
mov edi,[trizdd+ecx]
|
|
mov [trizdd+ebp],edi
|
|
mov [trizdd+ecx],esi
|
|
mov esi,[trizdd+ebp-4]
|
|
mov edi,[trizdd+ecx-4]
|
|
mov [trizdd+ecx-4],esi
|
|
mov [trizdd+ebp-4],edi
|
|
else
|
|
; push ebx
|
|
; mov ebx,[triangles_w_z_ptr]
|
|
; movq mm0,[ebx+ebp-4]
|
|
; movq mm1,[ebx+ecx-4]
|
|
; movq [ebx+ecx-4],mm0
|
|
; movq [ebx+ebp-4],mm1
|
|
; pop ebx
|
|
|
|
movq mm0,[trizdq+ebp-4]
|
|
movq mm1,[trizdq+ecx-4]
|
|
movq [trizdq+ecx-4],mm0
|
|
movq [trizdq+ebp-4],mm1
|
|
end if
|
|
mov ecx,edx ; i; direction
|
|
mov ebx,[trizdd+ebp]; trizdd[j]
|
|
; mov ebx, [triangles_w_z_ptr]
|
|
; add ebx, ebp
|
|
|
|
; push eax
|
|
; mov eax, [triangles_w_z_ptr]
|
|
.loop:
|
|
sub ecx,8 ; direction
|
|
cmp [trizdd+ecx],ebx
|
|
; cmp [eax+ecx],ebx
|
|
jl .loop ; direction
|
|
@@:
|
|
add ebp,8 ; direction
|
|
cmp [trizdd+ebp],ebx
|
|
; cmp [eax+ebp],ebx
|
|
jg @b ; direction
|
|
cmp ebp,ecx
|
|
jge @f ; direction
|
|
if Ext=NON
|
|
mov esi,[trizdd+ecx]
|
|
mov edi,[trizdd+ebp]
|
|
mov [trizdd+ebp],esi
|
|
mov [trizdd+ecx],edi
|
|
mov edi,[trizdd+ecx-4]
|
|
mov esi,[trizdd+ebp-4]
|
|
mov [trizdd+ebp-4],edi
|
|
mov [trizdd+ecx-4],esi
|
|
else
|
|
; movq mm0,[eax+ecx-4]
|
|
; movq mm1,[eax+ebp-4]
|
|
; movq [eax+ebp-4],mm0
|
|
; movq [eax+ecx-4],mm1
|
|
movq mm0,[trizdq+ecx-4]
|
|
movq mm1,[trizdq+ebp-4]
|
|
movq [trizdq+ebp-4],mm0
|
|
movq [trizdq+ecx-4],mm1
|
|
end if
|
|
jmp .loop
|
|
; pop eax
|
|
@@:
|
|
if Ext=NON
|
|
mov esi,[trizdd+ecx]
|
|
mov edi,[trizdd+eax+8]
|
|
mov [trizdd+eax+8],esi
|
|
mov [trizdd+ecx],edi
|
|
mov edi,[trizdd+ecx-4]
|
|
mov esi,[trizdd+eax+4]
|
|
mov [trizdd+eax+4],edi
|
|
mov [trizdd+ecx-4],esi
|
|
else
|
|
; push edx
|
|
; mov edx,[triangles_w_z_ptr]
|
|
; movq mm0,[edx+ecx-4]
|
|
; movq mm1,[edx+eax+4]; dir
|
|
; movq [edx+eax+4],mm0; dir
|
|
; movq [edx+ecx-4],mm1
|
|
; pop edx
|
|
|
|
movq mm0,[trizdq+ecx-4]
|
|
movq mm1,[trizdq+eax+4]; dir
|
|
movq [trizdq+eax+4],mm0; dir
|
|
movq [trizdq+ecx-4],mm1
|
|
end if
|
|
add ecx,8
|
|
push ecx edx
|
|
mov edx,ebp
|
|
call quicksort
|
|
pop edx eax
|
|
call quicksort
|
|
.exit:
|
|
ret
|
|
insertsort:
|
|
mov esi,eax
|
|
.start:
|
|
add esi,8
|
|
cmp esi,edx
|
|
ja .exit
|
|
mov ebx,[trizdd+esi]
|
|
; mov ebx,[triangles_w_z_ptr]
|
|
; add ebx,esi
|
|
if Ext=NON
|
|
mov ecx,[trizdd+esi-4]
|
|
else
|
|
; push ebx
|
|
; mov ebx,[triangles_w_z_ptr]
|
|
; movq mm1,[ebx+esi-4]
|
|
movq mm1,[trizdq+esi-4]
|
|
; pop ebx
|
|
end if
|
|
mov edi,esi
|
|
@@:
|
|
cmp edi,eax
|
|
jna @f
|
|
; push eax
|
|
; mov eax,[triangles_w_z_ptr]
|
|
; cmp [eax+edi-8],ebx
|
|
; pop eax
|
|
cmp [trizdd+edi-8],ebx
|
|
jg @f ; direction
|
|
if Ext=NON
|
|
mov ebp,[trizdd+edi-8]
|
|
mov [trizdd+edi],ebp
|
|
mov ebp,[trizdd+edi-12]
|
|
mov [trizdd+edi-4],ebp
|
|
else
|
|
; push eax
|
|
; mov eax,[triangles_w_z_ptr]
|
|
; movq mm0,[eax+edi-12]
|
|
; movq [eax+edi-4],mm0
|
|
movq mm0,[trizdq+edi-12]
|
|
movq [trizdq+edi-4],mm0
|
|
; pop eax
|
|
end if
|
|
sub edi,8
|
|
jmp @b
|
|
@@:
|
|
if Ext=NON
|
|
mov [trizdd+edi],ebx
|
|
mov [trizdd+edi-4],ecx
|
|
else
|
|
; push eax
|
|
; mov eax,[triangles_w_z_ptr]
|
|
; movq [eax+edi-4],mm1
|
|
movq [trizdq+edi-4],mm1
|
|
; pop eax
|
|
end if
|
|
jmp .start
|
|
.exit:
|
|
ret
|
|
end_sort:
|
|
; translate triangles_with_z to sorted_triangles
|
|
mov esi,triangles_with_z
|
|
; mov esi,[triangles_w_z_ptr]
|
|
; mov edi,sorted_triangles
|
|
mov edi,[triangles_ptr]
|
|
again_copy:
|
|
if Ext=NON
|
|
movsd
|
|
movsw
|
|
add esi,2
|
|
else
|
|
movq mm0,[esi]
|
|
movq [edi],mm0
|
|
add esi,8
|
|
add edi,6
|
|
end if
|
|
cmp dword[esi],-1
|
|
jne again_copy
|
|
; if Ext=MMX
|
|
; emms
|
|
; end if
|
|
movsd ; copy end mark too
|
|
ret
|
|
|
|
clrscr:
|
|
mov edi,screen
|
|
mov ecx,SIZE_X*SIZE_Y*3/4
|
|
xor eax,eax
|
|
if Ext=NON
|
|
rep stosd
|
|
else
|
|
pxor mm0,mm0
|
|
@@:
|
|
movq [edi+00],mm0
|
|
movq [edi+08],mm0
|
|
movq [edi+16],mm0
|
|
movq [edi+24],mm0
|
|
add edi,32
|
|
sub ecx,8
|
|
jnc @b
|
|
end if
|
|
ret
|
|
|
|
|
|
draw_triangles:
|
|
mov esi,[triangles_ptr]
|
|
.again_dts:
|
|
mov ebp,[points_translated_ptr]
|
|
if Ext=NON
|
|
movzx eax,word[esi]
|
|
mov [point_index1],ax
|
|
lea eax,[eax*3]
|
|
add eax,eax
|
|
push ebp
|
|
add ebp,eax
|
|
mov eax,[ebp]
|
|
mov dword[xx1],eax
|
|
mov eax,[ebp+4]
|
|
mov [zz1],ax
|
|
pop ebp
|
|
|
|
|
|
movzx eax,word[esi+2]
|
|
mov [point_index2],ax
|
|
lea eax,[eax*3]
|
|
add eax,eax
|
|
push ebp
|
|
add ebp,eax
|
|
mov eax,[ebp]
|
|
mov dword[xx2],eax
|
|
mov eax,[ebp+4]
|
|
mov [zz2],ax
|
|
pop ebp
|
|
|
|
|
|
movzx eax,word[esi+4] ; xyz3 = [ebp+[esi+4]*6]
|
|
mov [point_index3],ax
|
|
lea eax,[eax*3]
|
|
add eax,eax
|
|
; push ebp
|
|
add ebp,eax
|
|
mov eax,[ebp]
|
|
mov dword[xx3],eax
|
|
mov eax,[ebp+4]
|
|
mov [zz3],ax
|
|
else
|
|
mov eax,dword[esi] ; don't know MMX
|
|
mov dword[point_index1],eax
|
|
; shr eax,16
|
|
; mov [point_index2],ax
|
|
mov ax,word[esi+4]
|
|
mov [point_index3],ax
|
|
movq mm0,[esi]
|
|
pmullw mm0,qword[const6]
|
|
movd eax,mm0
|
|
psrlq mm0,16
|
|
movd ebx,mm0
|
|
psrlq mm0,16
|
|
movd ecx,mm0
|
|
and eax,0FFFFh
|
|
and ebx,0FFFFh
|
|
and ecx,0FFFFh
|
|
movq mm0,[ebp+eax]
|
|
movq mm1,[ebp+ebx]
|
|
movq mm2,[ebp+ecx]
|
|
movq qword[xx1],mm0
|
|
movq qword[xx2],mm1
|
|
movq qword[xx3],mm2
|
|
; emms
|
|
end if ; *********************************
|
|
push esi ;
|
|
fninit ; DO culling AT FIRST
|
|
cmp [culling_flag],1 ; (if culling_flag = 1)
|
|
jne .no_culling
|
|
mov esi,point_index1 ; *********************************
|
|
mov ecx,3 ;
|
|
@@:
|
|
movzx eax,word[esi]
|
|
lea eax,[eax*3]
|
|
shl eax,2
|
|
add eax,[points_normals_rot_ptr]
|
|
; lea eax,[eax+point_normals_rotated]
|
|
fld dword[eax+8] ; *****************************
|
|
ftst ; CHECKING OF Z COOFICIENT OF
|
|
fstsw ax ; NORMAL VECTOR
|
|
sahf
|
|
jb @f
|
|
ffree st
|
|
loop @b
|
|
jmp .end_draw ; non visable
|
|
@@:
|
|
ffree st ;is visable
|
|
.no_culling:
|
|
cmp [dr_flag],0 ; draw type flag
|
|
je .flat_draw
|
|
cmp [dr_flag],2
|
|
je .env_mapping
|
|
cmp [dr_flag],3
|
|
je .bump_mapping
|
|
cmp [dr_flag],4
|
|
je .tex_mapping
|
|
cmp [dr_flag],5
|
|
je .rainbow
|
|
cmp [dr_flag],7
|
|
je .grd_tex
|
|
cmp [dr_flag],8
|
|
je .two_tex
|
|
cmp [dr_flag],9
|
|
je .bump_tex
|
|
cmp [dr_flag],10
|
|
je .cubic_env_mapping
|
|
; ****************
|
|
mov esi,point_index3 ; do Gouraud shading
|
|
mov ecx,3
|
|
.again_grd_draw:
|
|
movzx eax,word[esi]
|
|
shl eax,2
|
|
lea eax,[eax*3]
|
|
add eax,[points_normals_rot_ptr]
|
|
; texture x=(rotated point normal -> x * 255)+255
|
|
fld dword[eax] ; x cooficient of normal vector
|
|
fimul [correct_tex]
|
|
fiadd [correct_tex]
|
|
fistp word[esp-2]
|
|
; texture y=(rotated point normal -> y * 255)+255
|
|
fld dword[eax+4] ; y cooficient
|
|
fimul [correct_tex]
|
|
fiadd [correct_tex]
|
|
fistp word[esp-4]
|
|
|
|
movzx eax,word[esp-4]
|
|
movzx ebx,word[esp-2]
|
|
shl eax,TEX_SHIFT
|
|
add eax,ebx
|
|
lea eax,[eax*3+color_map]
|
|
mov eax,dword[eax]
|
|
cmp [catmull_flag],1 ; put on stack z coordinate if necessary
|
|
jne @f
|
|
lea edx,[ecx*3]
|
|
push word[edx*2+xx1-2] ; zz1 ,2 ,3
|
|
@@:
|
|
ror eax,16 ; eax -0xxxrrggbb -> 0xggbbxxrr
|
|
xor ah,ah
|
|
push ax ;r
|
|
rol eax,8 ; eax-0xggbb00rr -> 0xbb00rrgg
|
|
xor ah,ah
|
|
push ax ;g
|
|
shr eax,24
|
|
push ax ;b
|
|
|
|
sub esi,2
|
|
dec cx
|
|
jnz .again_grd_draw
|
|
jmp .both_draw
|
|
|
|
; movzx edi,[point_index3] ;gouraud shading according to light vector
|
|
; lea edi,[edi*3]
|
|
; lea edi,[4*edi+point_normals_rotated] ; edi - normal
|
|
; mov esi,light_vector
|
|
; call dot_product
|
|
; fabs
|
|
; fimul [orginal_color_r]
|
|
; fistp [temp_col]
|
|
; and [temp_col],0x00ff
|
|
; push [temp_col]
|
|
; push [temp_col]
|
|
; push [temp_col]
|
|
|
|
; movzx edi,[point_index2]
|
|
; lea edi,[edi*3]
|
|
; lea edi,[4*edi+point_normals_rotated] ; edi - normal
|
|
; mov esi,light_vector
|
|
; call dot_product
|
|
; fabs
|
|
; fimul [orginal_color_r]
|
|
; fistp [temp_col]
|
|
; and [temp_col],0x00ff
|
|
; push [temp_col]
|
|
; push [temp_col]
|
|
; push [temp_col]
|
|
|
|
; movzx edi,[point_index1]
|
|
; lea edi,[edi*3]
|
|
; lea edi,[4*edi+point_normals_rotated] ; edi - normal
|
|
; mov esi,light_vector
|
|
; call dot_product
|
|
; fabs
|
|
; fimul [orginal_color_r]
|
|
; fistp [temp_col]
|
|
; and [temp_col],0x00ff
|
|
; push [temp_col]
|
|
; push [temp_col]
|
|
; push [temp_col]
|
|
.rainbow:
|
|
cmp [catmull_flag],1 ; put on stack z coordinate if necessary
|
|
jne @f
|
|
push [zz3]
|
|
@@:
|
|
mov eax,dword[yy3]
|
|
mov ebx,0x00ff00ff
|
|
and eax,ebx
|
|
push eax
|
|
neg al
|
|
push ax
|
|
cmp [catmull_flag],1
|
|
jne @f
|
|
push [zz2]
|
|
@@:
|
|
mov eax,dword[yy2]
|
|
and eax,ebx
|
|
push eax
|
|
neg al
|
|
push ax
|
|
cmp [catmull_flag],1
|
|
jne @f
|
|
push [zz1]
|
|
@@:
|
|
mov eax,dword[yy1]
|
|
and eax,ebx
|
|
push eax
|
|
neg al
|
|
push ax
|
|
.both_draw:
|
|
mov eax,dword[xx1]
|
|
ror eax,16
|
|
mov ebx,dword[xx2]
|
|
ror ebx,16
|
|
mov ecx,dword[xx3]
|
|
ror ecx,16
|
|
lea edi,[screen]
|
|
cmp [catmull_flag],0
|
|
je @f
|
|
; lea esi,[Z_buffer]
|
|
mov esi,[Zbuffer_ptr]
|
|
call gouraud_triangle_z
|
|
jmp .end_draw
|
|
@@:
|
|
call gouraud_triangle
|
|
jmp .end_draw
|
|
|
|
.flat_draw: ;**************************
|
|
; FLAT DRAWING
|
|
movzx eax,[point_index1]
|
|
movzx ebx,[point_index2]
|
|
movzx ecx,[point_index3]
|
|
shl eax,2
|
|
shl ebx,2
|
|
shl ecx,2
|
|
lea eax,[eax*3] ;+point_normals_rotated]
|
|
add eax,[points_normals_rot_ptr]
|
|
lea ebx,[ebx*3] ;+point_normals_rotated]
|
|
add ebx,[points_normals_rot_ptr]
|
|
lea ecx,[ecx*3] ;+point_normals_rotated]
|
|
add ecx,[points_normals_rot_ptr]
|
|
fld dword[eax] ; x cooficient of normal vector
|
|
fadd dword[ebx]
|
|
fadd dword[ecx]
|
|
fidiv [i3]
|
|
fimul [correct_tex]
|
|
fiadd [correct_tex]
|
|
fistp dword[esp-4] ; x temp variables
|
|
fld dword[eax+4] ; y cooficient of normal vector
|
|
fadd dword[ebx+4]
|
|
fadd dword[ecx+4]
|
|
fidiv [i3]
|
|
fimul [correct_tex]
|
|
fiadd [correct_tex]
|
|
fistp dword[esp-8] ; y
|
|
mov edx,dword[esp-8]
|
|
shl edx,TEX_SHIFT
|
|
add edx,dword[esp-4]
|
|
lea eax,[3*edx+color_map]
|
|
mov edx,dword[eax]
|
|
|
|
and edx,0x00ffffff ; edx = 0x00rrggbb
|
|
|
|
|
|
|
|
; mov ax,[zz1] ; z position depend draw
|
|
; add ax,[zz2]
|
|
; add ax,[zz3]
|
|
; cwd
|
|
; idiv [i3] ; = -((a+b+c)/3+130)
|
|
; add ax,130
|
|
; neg al
|
|
; xor edx,edx
|
|
; mov ah,al ;set color according to z position
|
|
; shl eax,8
|
|
; mov edx,eax
|
|
|
|
mov eax,dword[xx1]
|
|
ror eax,16
|
|
mov ebx,dword[xx2]
|
|
ror ebx,16
|
|
mov ecx,dword[xx3]
|
|
ror ecx,16
|
|
; mov edi,screen
|
|
lea edi,[screen]
|
|
cmp [catmull_flag],0
|
|
je @f
|
|
; lea esi,[Z_buffer]
|
|
mov esi,[Zbuffer_ptr]
|
|
push word[zz3]
|
|
push word[zz2]
|
|
push word[zz1]
|
|
call flat_triangle_z
|
|
jmp .end_draw
|
|
@@:
|
|
call draw_triangle
|
|
jmp .end_draw
|
|
.env_mapping:
|
|
; fninit
|
|
cmp [catmull_flag],0
|
|
je @f
|
|
push [zz3]
|
|
push [zz2]
|
|
push [zz1]
|
|
@@:
|
|
mov esi,point_index1
|
|
sub esp,12
|
|
mov edi,esp
|
|
mov ecx,3
|
|
@@:
|
|
movzx eax,word[esi]
|
|
lea eax,[eax*3]
|
|
shl eax,2
|
|
add eax,[points_normals_rot_ptr] ;point_normals_rotated
|
|
; #
|
|
; fld dword[eax]
|
|
; fmul dword[eax+4]
|
|
; fld1
|
|
; fld1
|
|
; faddp
|
|
; fmulp
|
|
; fimul [correct_tex]
|
|
; fiadd [correct_tex]
|
|
; fistp word[edi]
|
|
; mov word[edi+2],0
|
|
;; fistp word[edi+2]
|
|
; # last change
|
|
; texture x=(rotated point normal -> x * 255)+255
|
|
fld dword[eax]
|
|
fimul [correct_tex]
|
|
fiadd [correct_tex]
|
|
fistp word[edi]
|
|
; texture y=(rotated point normal -> y * 255)+255
|
|
fld dword[eax+4]
|
|
fimul [correct_tex]
|
|
fiadd [correct_tex]
|
|
fistp word[edi+2]
|
|
; # end of last ch.
|
|
add edi,4
|
|
add esi,2
|
|
loop @b
|
|
|
|
mov eax,dword[xx1]
|
|
ror eax,16
|
|
mov ebx,dword[xx2]
|
|
ror ebx,16
|
|
mov ecx,dword[xx3]
|
|
ror ecx,16
|
|
mov edi,screen
|
|
mov esi,envmap
|
|
cmp [catmull_flag],0
|
|
je @f
|
|
; mov edx,Z_buffer
|
|
mov edx,[Zbuffer_ptr]
|
|
call tex_triangle_z
|
|
jmp .end_draw
|
|
@@:
|
|
call tex_triangle
|
|
jmp .end_draw
|
|
;+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
|
|
.cubic_env_mapping:
|
|
; fninit
|
|
cmp [catmull_flag],0
|
|
je @f
|
|
push [zz3]
|
|
push [zz2]
|
|
push [zz1]
|
|
@@:
|
|
mov esi,point_index1
|
|
sub esp,12
|
|
mov edi,esp
|
|
mov ecx,3
|
|
@@:
|
|
movzx eax,word[esi]
|
|
lea eax,[eax*3]
|
|
shl eax,2
|
|
add eax,[points_normals_rot_ptr] ;point_normals_rotated
|
|
; #
|
|
fld dword[eax]
|
|
fmul dword[eax+4]
|
|
fld1
|
|
fld1
|
|
faddp
|
|
fmulp
|
|
fimul [correct_tex]
|
|
fiadd [correct_tex]
|
|
fistp word[edi]
|
|
mov word[edi+2],0
|
|
; fistp word[edi+2]
|
|
; # last change
|
|
; ; texture x=(rotated point normal -> x * 255)+255
|
|
; fld dword[eax]
|
|
; fimul [correct_tex]
|
|
; fiadd [correct_tex]
|
|
; fistp word[edi]
|
|
; ; texture y=(rotated point normal -> y * 255)+255
|
|
; fld dword[eax+4]
|
|
; fimul [correct_tex]
|
|
; fiadd [correct_tex]
|
|
; fistp word[edi+2]
|
|
; # end of last ch.
|
|
add edi,4
|
|
add esi,2
|
|
loop @b
|
|
|
|
mov eax,dword[xx1]
|
|
ror eax,16
|
|
mov ebx,dword[xx2]
|
|
ror ebx,16
|
|
mov ecx,dword[xx3]
|
|
ror ecx,16
|
|
mov edi,screen
|
|
mov esi,envmap_cub
|
|
cmp [catmull_flag],0
|
|
je @f
|
|
; mov edx,Z_buffer
|
|
mov edx,[Zbuffer_ptr]
|
|
call tex_triangle_z
|
|
jmp .end_draw
|
|
@@:
|
|
call tex_triangle
|
|
jmp .end_draw
|
|
|
|
;+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
|
|
|
|
.bump_mapping:
|
|
; fninit
|
|
cmp [catmull_flag],0
|
|
je @f
|
|
; push Z_buffer
|
|
push [Zbuffer_ptr]
|
|
push [zz3]
|
|
push [zz2]
|
|
push [zz1]
|
|
@@:
|
|
mov esi,point_index1
|
|
sub esp,12
|
|
mov edi,esp
|
|
mov ecx,3
|
|
@@:
|
|
movzx eax,word[esi]
|
|
lea eax,[eax*3]
|
|
shl eax,2
|
|
add eax,[points_normals_rot_ptr] ;point_normals_rotated
|
|
; texture x=(rotated point normal -> x * 255)+255
|
|
fld dword[eax]
|
|
fimul [correct_tex]
|
|
fiadd [correct_tex]
|
|
fistp word[edi]
|
|
; texture y=(rotated point normal -> y * 255)+255
|
|
fld dword[eax+4]
|
|
fimul [correct_tex]
|
|
fiadd [correct_tex]
|
|
fistp word[edi+2]
|
|
|
|
add edi,4
|
|
add esi,2
|
|
loop @b
|
|
|
|
movzx esi,[point_index3] ; bump map coords
|
|
shl esi,2
|
|
add esi,tex_points
|
|
push dword[esi]
|
|
movzx esi,[point_index2]
|
|
shl esi,2
|
|
add esi,tex_points
|
|
; lea esi,[esi*3]
|
|
; lea esi,[points+2+esi*2]
|
|
push dword[esi]
|
|
; push dword[xx2]
|
|
movzx esi,[point_index1]
|
|
shl esi,2
|
|
add esi,tex_points
|
|
; lea esi,[esi*3]
|
|
; lea esi,[points+2+esi*2]
|
|
push dword[esi]
|
|
; push dword[xx1]
|
|
|
|
mov eax,dword[xx1]
|
|
ror eax,16
|
|
mov ebx,dword[xx2]
|
|
ror ebx,16
|
|
mov ecx,dword[xx3]
|
|
ror ecx,16
|
|
mov edi,screen
|
|
mov esi,envmap
|
|
mov edx,bumpmap ;BUMP_MAPPING
|
|
|
|
cmp [catmull_flag],0
|
|
je @f
|
|
call bump_triangle_z
|
|
jmp .end_draw
|
|
@@:
|
|
call bump_triangle
|
|
jmp .end_draw
|
|
|
|
.tex_mapping:
|
|
|
|
; fninit
|
|
cmp [catmull_flag],0
|
|
je @f
|
|
push [zz3]
|
|
push [zz2]
|
|
push [zz1]
|
|
@@:
|
|
movzx esi,[point_index3] ; tex map coords
|
|
shl esi,2
|
|
add esi,tex_points
|
|
push dword[esi]
|
|
movzx esi,[point_index2]
|
|
shl esi,2
|
|
add esi,tex_points
|
|
push dword[esi]
|
|
movzx esi,[point_index1]
|
|
shl esi,2
|
|
add esi,tex_points
|
|
push dword[esi]
|
|
|
|
mov eax,dword[xx1]
|
|
ror eax,16
|
|
mov ebx,dword[xx2]
|
|
ror ebx,16
|
|
mov ecx,dword[xx3]
|
|
ror ecx,16
|
|
mov edi,screen
|
|
mov esi,texmap
|
|
cmp [catmull_flag],0
|
|
je @f
|
|
; mov edx,Z_buffer
|
|
mov edx,[Zbuffer_ptr]
|
|
call tex_triangle_z
|
|
; call tex_plus_grd_trianlgle
|
|
jmp .end_draw
|
|
@@:
|
|
call tex_triangle
|
|
jmp .end_draw
|
|
; .ray:
|
|
; grd_triangle according to points index
|
|
; cmp [catmull_flag],0
|
|
; je @f
|
|
; push [zz3] ; spot light with attenuation
|
|
; @@:
|
|
; movzx eax,[point_index3] ; env_map - points color list
|
|
; shl eax,1 ; each color as word, 0x00rr00gg00bb..
|
|
; lea eax,[3*eax+bumpmap]
|
|
; push word[eax]
|
|
; push word[eax+2]
|
|
; push word[eax+4]
|
|
; cmp [catmull_flag],0
|
|
; je @f
|
|
; push [zz2]
|
|
; @@:
|
|
; movzx eax,[point_index2] ; env_map - points color list
|
|
; shl eax,1 ; each color as word, 0x00rr00gg00bb..
|
|
; lea eax,[eax*3+bumpmap]
|
|
; push word[eax]
|
|
; push word[eax+2]
|
|
; push word[eax+4]
|
|
; cmp [catmull_flag],0
|
|
; je @f
|
|
; push [zz1]
|
|
; @@:
|
|
; movzx eax,[point_index1] ; env_map - points color list
|
|
; shl eax,1 ; each color as word, 0xrr00gg00bb00..
|
|
; lea eax,[eax*3+bumpmap]
|
|
; push word[eax]
|
|
; push word[eax+2]
|
|
; push word[eax+4]
|
|
; jmp .both_draw
|
|
|
|
.grd_tex: ; smooth shading + texture
|
|
push ebp
|
|
mov ebp,esp
|
|
sub esp,4
|
|
push ebp
|
|
|
|
movzx esi,[point_index3] ; tex map coords
|
|
shl esi,2
|
|
add esi,tex_points
|
|
push dword[esi] ; texture coords as first
|
|
movzx esi,[point_index2] ; group of parameters
|
|
shl esi,2
|
|
add esi,tex_points
|
|
push dword[esi]
|
|
movzx esi,[point_index1]
|
|
shl esi,2
|
|
add esi,tex_points
|
|
push dword[esi]
|
|
|
|
mov esi,point_index3
|
|
mov ecx,3
|
|
|
|
.aagain_grd_draw:
|
|
|
|
lea edx,[ecx*3]
|
|
push word[edx*2+xx1-2] ; zz1 ,2 ,3
|
|
|
|
movzx eax,word[esi]
|
|
shl eax,2
|
|
lea eax,[eax*3] ;+point_normals_rotated]
|
|
add eax,[points_normals_rot_ptr]
|
|
; texture x=(rotated point normal -> x * 255)+255
|
|
fld dword[eax] ; x cooficient of normal vector
|
|
fimul [correct_tex]
|
|
fiadd [correct_tex]
|
|
fistp word[ebp-2]
|
|
; texture y=(rotated point normal -> y * 255)+255
|
|
fld dword[eax+4] ; y cooficient
|
|
fimul [correct_tex]
|
|
fiadd [correct_tex]
|
|
fistp word[ebp-4]
|
|
|
|
movzx eax,word[ebp-4]
|
|
movzx ebx,word[ebp-2]
|
|
shl eax,TEX_SHIFT
|
|
add eax,ebx
|
|
lea eax,[eax*3+color_map]
|
|
mov eax,dword[eax]
|
|
|
|
ror eax,16 ; eax -0xxxrrggbb -> 0xggbbxxrr
|
|
xor ah,ah
|
|
push ax ;r
|
|
rol eax,8 ; eax-0xggbb00rr -> 0xbb00rrgg
|
|
xor ah,ah
|
|
push ax ;g
|
|
shr eax,24
|
|
push ax ;b
|
|
|
|
sub esi,2
|
|
dec cx
|
|
jnz .aagain_grd_draw
|
|
|
|
mov eax,dword[xx1]
|
|
ror eax,16
|
|
mov ebx,dword[xx2]
|
|
ror ebx,16
|
|
mov ecx,dword[xx3]
|
|
ror ecx,16
|
|
mov edi,screen
|
|
mov edx,texmap
|
|
mov esi,[Zbuffer_ptr]
|
|
|
|
call tex_plus_grd_triangle
|
|
|
|
pop ebp
|
|
mov esp,ebp
|
|
pop ebp
|
|
jmp .end_draw
|
|
|
|
.two_tex:
|
|
push [Zbuffer_ptr]
|
|
|
|
push word[zz3]
|
|
push word[zz2]
|
|
push word[zz1]
|
|
|
|
movzx esi,[point_index3] ; tex map coords
|
|
shl esi,2
|
|
add esi,tex_points
|
|
push dword[esi]
|
|
movzx esi,[point_index2]
|
|
shl esi,2
|
|
add esi,tex_points
|
|
push dword[esi]
|
|
movzx esi,[point_index1]
|
|
shl esi,2
|
|
add esi,tex_points
|
|
push dword[esi]
|
|
|
|
mov esi,point_index1 ; env coords
|
|
sub esp,12
|
|
mov edi,esp
|
|
mov ecx,3
|
|
@@:
|
|
movzx eax,word[esi]
|
|
lea eax,[eax*3]
|
|
shl eax,2
|
|
add eax,[points_normals_rot_ptr]
|
|
; texture x=(rotated point normal -> x * 255)+255
|
|
fld dword[eax]
|
|
fimul [correct_tex]
|
|
fiadd [correct_tex]
|
|
fistp word[edi]
|
|
; texture y=(rotated point normal -> y * 255)+255
|
|
fld dword[eax+4]
|
|
fimul [correct_tex]
|
|
fiadd [correct_tex]
|
|
fistp word[edi+2]
|
|
|
|
add edi,4
|
|
add esi,2
|
|
loop @b
|
|
|
|
mov eax,dword[xx1]
|
|
ror eax,16
|
|
mov ebx,dword[xx2]
|
|
ror ebx,16
|
|
mov ecx,dword[xx3]
|
|
ror ecx,16
|
|
mov edi,screen
|
|
mov esi,texmap
|
|
mov edx,envmap
|
|
|
|
call two_tex_triangle_z
|
|
jmp .end_draw
|
|
|
|
.bump_tex:
|
|
movzx esi,[point_index3] ; tex map coords
|
|
shl esi,2
|
|
add esi,tex_points
|
|
push dword[esi]
|
|
movzx esi,[point_index2]
|
|
shl esi,2
|
|
add esi,tex_points
|
|
push dword[esi]
|
|
movzx esi,[point_index1]
|
|
shl esi,2
|
|
add esi,tex_points
|
|
push dword[esi]
|
|
|
|
push dword texmap
|
|
|
|
push [Zbuffer_ptr]
|
|
xor edi,edi
|
|
|
|
push word[zz3]
|
|
push word[zz2]
|
|
push word[zz1]
|
|
|
|
mov esi,point_index1 ; env coords
|
|
sub esp,12
|
|
mov edi,esp
|
|
mov ecx,3
|
|
@@:
|
|
movzx eax,word[esi]
|
|
lea eax,[eax*3]
|
|
shl eax,2
|
|
add eax,[points_normals_rot_ptr]
|
|
; texture x=(rotated point normal -> x * 255)+255
|
|
fld dword[eax]
|
|
fimul [correct_tex]
|
|
fiadd [correct_tex]
|
|
fistp word[edi]
|
|
; texture y=(rotated point normal -> y * 255)+255
|
|
fld dword[eax+4]
|
|
fimul [correct_tex]
|
|
fiadd [correct_tex]
|
|
fistp word[edi+2]
|
|
|
|
add edi,4
|
|
add esi,2
|
|
loop @b
|
|
|
|
; push dword 1 shl 16 + 1 ; emap coords
|
|
; push dword 127 shl 16 + 1
|
|
; push dword 127 shl 16 + 127
|
|
|
|
movzx esi,[point_index3] ; bump map coords
|
|
shl esi,2
|
|
add esi,tex_points
|
|
push dword[esi]
|
|
movzx esi,[point_index2]
|
|
shl esi,2
|
|
add esi,tex_points
|
|
push dword[esi]
|
|
|
|
movzx esi,[point_index1]
|
|
shl esi,2
|
|
add esi,tex_points
|
|
push dword[esi]
|
|
|
|
; push dword 1 shl 16 + 127
|
|
; push dword 127 shl 16 + 127
|
|
; push dword 1 shl 16 + 1 ; bump coords
|
|
|
|
mov eax,dword[xx1]
|
|
ror eax,16
|
|
mov ebx,dword[xx2]
|
|
ror ebx,16
|
|
mov ecx,dword[xx3]
|
|
ror ecx,16
|
|
mov edi,screen
|
|
mov esi,envmap
|
|
mov edx,bumpmap
|
|
|
|
call bump_tex_triangle_z
|
|
|
|
.end_draw:
|
|
pop esi
|
|
add esi,6
|
|
cmp dword[esi],-1
|
|
jne .again_dts
|
|
ret
|
|
|
|
|
|
fill_Z_buffer:
|
|
mov eax,0x70000000
|
|
; mov edi,Z_buffer
|
|
mov edi,[Zbuffer_ptr]
|
|
mov ecx,SIZE_X*SIZE_Y
|
|
rep stosd
|
|
ret
|
|
|
|
read_from_file:
|
|
fninit
|
|
mov edi,[triangles_ptr]
|
|
xor ebx,ebx
|
|
xor ebp,ebp
|
|
mov [points_count_var],0
|
|
mov [triangles_count_var],0
|
|
if USE_LFN = 0
|
|
mov esi,SourceFile
|
|
else
|
|
mov esi,[fptr]
|
|
end if
|
|
cmp [esi],word 4D4Dh
|
|
jne .exit ;Must be legal .3DS file
|
|
; cmp dword[esi+2],EndFile-SourceFile
|
|
; jne .exit ;This must tell the length
|
|
mov eax,dword[esi+2]
|
|
; cmp eax,[fsize]
|
|
; jne .exit
|
|
|
|
add eax,esi
|
|
mov [EndFile],eax ;
|
|
|
|
add esi,6
|
|
@@:
|
|
cmp [esi],word 3D3Dh
|
|
je @f
|
|
add esi,[esi+2]
|
|
jmp @b
|
|
@@:
|
|
add esi,6
|
|
.find4k:
|
|
cmp [esi],word 4000h
|
|
je @f
|
|
add esi,[esi+2]
|
|
cmp esi,[EndFile]
|
|
jc .find4k
|
|
jmp .exit
|
|
@@:
|
|
add esi,6
|
|
@@:
|
|
cmp [esi],byte 0
|
|
je @f
|
|
inc esi
|
|
jmp @b
|
|
@@:
|
|
inc esi
|
|
@@:
|
|
cmp [esi],word 4100h
|
|
je @f
|
|
add esi,[esi+2]
|
|
jmp @b
|
|
@@:
|
|
add esi,6
|
|
@@:
|
|
cmp [esi],word 4110h
|
|
je @f
|
|
add esi,[esi+2]
|
|
jmp @b
|
|
@@:
|
|
movzx ecx,word[esi+6]
|
|
add [points_count_var],cx
|
|
|
|
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
|
|
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
|
|
;mov edi,triangles
|
|
@@:
|
|
movsd
|
|
movsw
|
|
add word[edi-6],bp
|
|
add word[edi-4],bp
|
|
add word[edi-2],bp
|
|
add esi,2
|
|
dec ecx
|
|
jnz @b
|
|
add ebp,edx
|
|
jmp .find4k
|
|
mov eax,-1 ;<---mark if OK
|
|
.exit:
|
|
mov dword[edi],-1
|
|
ret
|
|
|
|
read_tp_variables: ; read [triangles_count_var] and [points_count_var]
|
|
; and allocate memory
|
|
xor ebx,ebx
|
|
xor ebp,ebp
|
|
mov [points_count_var],bx
|
|
mov [triangles_count_var],bx
|
|
if USE_LFN = 0
|
|
mov esi,SourceFile
|
|
else
|
|
mov esi,[fptr]
|
|
end if
|
|
|
|
cmp [esi],word 4D4Dh
|
|
je @f ;Must be legal .3DS file
|
|
xor eax,eax
|
|
ret
|
|
@@:
|
|
mov eax,dword[esi+2]
|
|
cmp eax,[fsize] ;This must tell the length
|
|
je @f
|
|
xor eax,eax
|
|
ret
|
|
@@:
|
|
add eax,esi
|
|
mov [EndFile],eax ;
|
|
|
|
add esi,6
|
|
@@:
|
|
cmp [esi],word 3D3Dh
|
|
je @f
|
|
add esi,[esi+2]
|
|
jmp @b
|
|
@@:
|
|
add esi,6
|
|
.find4k:
|
|
cmp [esi],word 4000h
|
|
je @f
|
|
add esi,[esi+2]
|
|
cmp esi,[EndFile]
|
|
jc .find4k
|
|
jmp .exit
|
|
@@:
|
|
add esi,6
|
|
@@:
|
|
cmp [esi],byte 0
|
|
je @f
|
|
inc esi
|
|
jmp @b
|
|
@@:
|
|
inc esi
|
|
@@:
|
|
cmp [esi],word 4100h
|
|
je @f
|
|
add esi,[esi+2]
|
|
jmp @b
|
|
@@:
|
|
add esi,6
|
|
@@:
|
|
cmp [esi],word 4110h
|
|
je @f
|
|
add esi,[esi+2]
|
|
jmp @b
|
|
@@:
|
|
movzx ecx,word[esi+6]
|
|
add [points_count_var],cx
|
|
|
|
mov edx,ecx
|
|
add esi,8
|
|
@@:
|
|
|
|
add ebx,6
|
|
add esi,12
|
|
; dec ecx
|
|
loop @b
|
|
@@:
|
|
|
|
@@:
|
|
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
|
|
dec ecx
|
|
jnz @b
|
|
; xor ecx,ecx
|
|
add ebp,edx
|
|
jmp .find4k
|
|
mov eax,-1 ;<---mark if OK
|
|
.exit:
|
|
ret
|
|
|
|
if USE_LFN
|
|
alloc_mem_for_tp:
|
|
mov eax, 68
|
|
mov ebx, 12
|
|
movzx ecx, [triangles_count_var]
|
|
inc ecx
|
|
lea ecx, [ecx*3]
|
|
add ecx, ecx
|
|
int 0x40 ; -> allocate memory to triangles
|
|
mov [triangles_ptr], eax ; -> eax = pointer to allocated mem
|
|
|
|
; mov eax, 68
|
|
; mov ebx, 12
|
|
; movzx ecx, [triangles_count_var]
|
|
; shl ecx, 4
|
|
; int 0x40
|
|
; mov [triangles_w_z_ptr], eax ; for trainagles_with_z list
|
|
; ststic memory
|
|
|
|
mov eax, 68
|
|
movzx ecx, [triangles_count_var]
|
|
lea ecx, [3+ecx*3]
|
|
shl ecx, 2
|
|
int 0x40 ; -> allocate memory for triangles normals
|
|
mov [triangles_normals_ptr], eax ; -> eax = pointer to allocated mem
|
|
|
|
mov eax, 68
|
|
movzx ecx, [points_count_var]
|
|
lea ecx,[3+ecx*3]
|
|
shl ecx, 2
|
|
int 0x40
|
|
mov [points_normals_ptr], eax
|
|
|
|
mov eax, 68
|
|
mov ebx, 12
|
|
movzx ecx, [points_count_var]
|
|
lea ecx,[3+ecx*3]
|
|
shl ecx, 2
|
|
int 0x40
|
|
mov [points_normals_rot_ptr], eax
|
|
|
|
mov eax, 68
|
|
int 0x40
|
|
mov [points_ptr], eax
|
|
|
|
mov eax, 68
|
|
int 0x40
|
|
mov [points_rotated_ptr], eax
|
|
|
|
mov eax, 68
|
|
movzx ecx, [points_count_var]
|
|
inc ecx
|
|
shl ecx, 3
|
|
int 0x40
|
|
mov [points_translated_ptr], eax
|
|
ret
|
|
end if
|
|
|
|
|
|
read_from_disk:
|
|
if USE_LFN
|
|
;-
|
|
mov eax, 70
|
|
mov ebx, file_info
|
|
mov dword[ebx], 5 ; -> subfunction number
|
|
int 0x40 ; -> read file size
|
|
mov ebx, [fptr]
|
|
mov ebx, dword[ebx+32]
|
|
inc ebx
|
|
mov [fsize], ebx
|
|
|
|
mov eax, 68
|
|
mov ebx, 11
|
|
int 0x40 ; -> create heap
|
|
|
|
mov eax, 68
|
|
mov ebx, 12
|
|
mov ecx, [fsize]
|
|
int 0x40 ; -> allocate memory for file
|
|
mov [fptr], eax ; -> eax = pointer to allocated mem
|
|
|
|
mov eax, 70
|
|
mov ebx, file_info
|
|
mov dword[ebx],0
|
|
int 0x40 ; -> read file
|
|
|
|
mov [fsize],ebx
|
|
|
|
cmp eax,6
|
|
jnz @f
|
|
xor eax,eax ;;;;---
|
|
@@:
|
|
else
|
|
mov eax,58
|
|
mov ebx,file_info
|
|
int 0x40
|
|
|
|
mov eax,ebx
|
|
shr eax,9
|
|
inc eax
|
|
mov [fsize],eax
|
|
; mov ecx,ebx
|
|
; add ecx,MEM_END
|
|
; mov ebx,1
|
|
; mov eax,64 ; allocate mem - resize app mem
|
|
; for points and triangles
|
|
int 0x40
|
|
|
|
mov eax,58
|
|
mov ebx,file_info
|
|
int 0x40
|
|
end if
|
|
; eax = 0 -> ok file loaded
|
|
ret
|
|
read_param:
|
|
mov esi,I_Param
|
|
cmp dword[esi],0
|
|
je .end
|
|
cmp byte[esi],'/'
|
|
je .copy
|
|
mov edi,esi
|
|
mov ecx,25 ; 25 - would be enought
|
|
repe scasb
|
|
jne .end
|
|
dec edi
|
|
mov esi,edi
|
|
.copy:
|
|
mov edi,file_name
|
|
mov ecx,50
|
|
rep movsd
|
|
.end:
|
|
ret
|
|
buttons: ; draw some buttons (all but navigation and close )
|
|
mov edi,menu
|
|
.again:
|
|
mov eax,8 ; function 8 : define and draw button
|
|
mov ebx,(SIZE_X+10)*65536+62 ; [x start] *65536 + [x size]
|
|
movzx ecx,byte[edi] ; button id = position+2
|
|
sub cl,2
|
|
lea ecx,[ecx*5]
|
|
lea ecx,[ecx*3]
|
|
add ecx,25
|
|
shl ecx,16
|
|
add ecx,12
|
|
movzx edx,byte[edi] ; button id
|
|
mov esi,0x6688dd ; button color RRGGBB
|
|
int 0x40
|
|
; BUTTON LABEL
|
|
mov eax,4 ; function 4 : write text to window
|
|
movzx ebx,byte[edi]
|
|
sub bl,2 ; button id, according to position
|
|
lea ebx,[ebx*3]
|
|
lea ebx,[ebx*5]
|
|
add ebx,(SIZE_X+12)*65536+28 ; [x start] *65536 + [y start]
|
|
mov ecx,0x20ddeeff ; font 1 & color ( 0xF0RRGGBB )
|
|
lea edx,[edi+1] ; pointer to text beginning
|
|
mov esi,10 ; text length
|
|
int 0x40
|
|
cmp byte[edi+11],255 ; if max_flag=255
|
|
je @f ; skip
|
|
; flag description
|
|
; mov eax,4 ; function 4 : write text to window
|
|
; movzx ebx,byte[edi]
|
|
; sub bl,2
|
|
; lea ebx,[ebx*3]
|
|
; lea ebx,[ebx*5]
|
|
; add ebx,(SIZE_X+12+70)*65536+28 ; [x start] *65536 + [y start]
|
|
add ebx,70*65536
|
|
; mov ecx,0x20ddeeff ; font 1 & color ( 0xF0RRGGBB )
|
|
movzx edx,byte[edi+12] ; current flag
|
|
shl edx,2 ; * 4 = text length
|
|
add edx,dword[edi+13] ; pointer to text beginning
|
|
mov esi,4 ; text length
|
|
int 0x40
|
|
|
|
@@:
|
|
add edi,17
|
|
cmp byte[edi],-1
|
|
jnz .again
|
|
ret
|
|
; *********************************************
|
|
; ******* WINDOW DEFINITIONS AND DRAW ********
|
|
; *********************************************
|
|
draw_window:
|
|
mov eax,12 ; function 12:tell os about windowdraw
|
|
mov ebx,1 ; 1, start of draw
|
|
int 0x40
|
|
|
|
; DRAW WINDOW
|
|
mov eax,0 ; function 0 : define and draw window
|
|
mov ebx,100*65536;+SIZE_X;+80+30 ; [x start] *65536 + [x size]
|
|
mov ecx,100*65536;+SIZE_Y;+30 ; [y start] *65536 + [y size]
|
|
mov bx,[size_x]
|
|
add bx,110
|
|
mov cx,[size_y]
|
|
add cx,30
|
|
mov edx,0x02000000 ; color of work area RRGGBB,8->color gl
|
|
mov esi,0x805080d0 ; color of grab bar RRGGBB,8->color gl
|
|
mov edi,0x005080d0 ; color of frames RRGGBB
|
|
int 0x40
|
|
|
|
; WINDOW LABEL
|
|
mov eax,4 ; function 4 : write text to window
|
|
mov ebx,8*65536+8 ; [x start] *65536 + [y start]
|
|
mov ecx,0x20ddeeff ; font 1 & color ( 0xF0RRGGBB )
|
|
mov edx,labelt ; pointer to text beginning
|
|
mov esi,labellen-labelt ; text length
|
|
int 0x40
|
|
|
|
; CLOSE BUTTON
|
|
mov eax,8 ; function 8 : define and draw button
|
|
movzx ebx,[size_x]
|
|
shl ebx,16
|
|
add ebx, 91 shl 16 + 12
|
|
; mov ebx,(SIZE_X+80+30-19)*65536+12 ; [x start] *65536 + [x size]
|
|
mov ecx,5*65536+12 ; [y start] *65536 + [y size]
|
|
mov edx,1 ; button id
|
|
mov esi,0x6688dd ; button color RRGGBB
|
|
int 0x40
|
|
|
|
call buttons ; more buttons
|
|
|
|
.Y_ADD equ 1 ;-> offset of 'add vector' buttons
|
|
|
|
; ADD VECTOR LABEL ; add vector buttons - 30 ++
|
|
mov eax,4 ; function 4 : write text to window
|
|
mov ebx,(SIZE_X+12)*65536+(168+15*(13+.Y_ADD)) ; [x start] *65536 + [y start]
|
|
mov ecx,0x20ddeeff ; font 1 & color ( 0xF0RRGGBB )
|
|
mov edx,labelvector ; pointer to text beginning
|
|
mov esi,labelvectorend-labelvector ; text length
|
|
; cmp [move_flag],2
|
|
; jne @f
|
|
; add edx,navigation_size
|
|
; @@:
|
|
int 0x40
|
|
; VECTOR Y- BUTTON
|
|
mov eax,8 ; function 8 : define and draw button
|
|
mov ebx,(SIZE_X+30)*65536+20 ; [x start] *65536 + [x size]
|
|
mov ecx,(165+15*(14+.Y_ADD))*65536+12 ; [y start] *65536 + [y size]
|
|
mov edx,30 ; button id
|
|
mov esi,0x6688dd ; button color RRGGBB
|
|
int 0x40
|
|
;VECTOR Y- LABEL
|
|
mov eax,4 ; function 4 : write text to window
|
|
mov ebx,(SIZE_X+32)*65536+(168+15*(14+.Y_ADD)) ; [x start] *65536 + [y start]
|
|
mov ecx,0x20ddeeff ; font 1 & color ( 0xF0RRGGBB )
|
|
mov edx,labelyminus ; pointer to text beginning
|
|
mov esi,labelyminusend-labelyminus ; text length
|
|
cmp [move_flag],2
|
|
; jne @f
|
|
; add edx,navigation_size
|
|
; @@:
|
|
int 0x40
|
|
; VECTOR Z+ BUTTON
|
|
mov eax,8 ; function 8 : define and draw button
|
|
mov ebx,(SIZE_X+51)*65536+21 ; [x start] *65536 + [x size]
|
|
mov ecx,(165+15*(14+.Y_ADD))*65536+12 ; [y start] *65536 + [y size]
|
|
mov edx,31 ; button id
|
|
mov esi,0x6688dd ; button color RRGGBB
|
|
int 0x40
|
|
;VECTOR Z+ LABEL
|
|
mov eax,4 ; function 4 : write text to window
|
|
mov ebx,(SIZE_X+53)*65536+(168+15*(14+.Y_ADD)) ; [x start] *65536 + [y start]
|
|
mov ecx,0x20ddeeff ; font 1 & color ( 0xF0RRGGBB )
|
|
mov edx,labelzplus ; pointer to text beginning
|
|
mov esi,labelzplusend-labelzplus ; text length
|
|
; cmp [move_flag],2
|
|
; jne @f
|
|
; add edx,navigation_size
|
|
; @@:
|
|
|
|
int 0x40
|
|
; VECTOR x- BUTTON
|
|
mov eax,8 ; function 8 : define and draw button
|
|
mov ebx,(SIZE_X+10)*65536+21 ; [x start] *65536 + [x size]
|
|
mov ecx,(165+15*(15+.Y_ADD))*65536+12 ; [y start] *65536 + [y size]
|
|
mov edx,32 ; button id
|
|
mov esi,0x6688dd ; button color RRGGBB
|
|
int 0x40
|
|
;VECTOR x- LABEL
|
|
mov eax,4 ; function 4 : write text to window
|
|
mov ebx,(SIZE_X+12)*65536+(168+15*(15+.Y_ADD)) ; [x start] *65536 + [y start]
|
|
mov ecx,0x20ddeeff ; font 1 & color ( 0xF0RRGGBB )
|
|
mov edx,labelxminus ; pointer to text beginning
|
|
mov esi,labelxminusend-labelxminus ; text length
|
|
; cmp [move_flag],2
|
|
; jne @f
|
|
; add edx,navigation_size
|
|
; @@:
|
|
int 0x40
|
|
; VECTOR x+ BUTTON
|
|
mov eax,8 ; function 8 : define and draw button
|
|
mov ebx,(SIZE_X+51)*65536+21 ; [x start] *65536 + [x size]
|
|
mov ecx,(165+15*(15+.Y_ADD))*65536+12 ; [y start] *65536 + [y size]
|
|
mov edx,33 ; button id
|
|
mov esi,0x6688dd ; button color RRGGBB
|
|
int 0x40
|
|
;VECTOR x+ LABEL
|
|
mov eax,4 ; function 4 : write text to window
|
|
mov ebx,(SIZE_X+53)*65536+(168+15*(15+.Y_ADD)) ; [x start] *65536 + [y start]
|
|
mov ecx,0x20ddeeff ; font 1 & color ( 0xF0RRGGBB )
|
|
mov edx,labelxplus ; pointer to text beginning
|
|
mov esi,labelxplusend-labelxplus ; text length
|
|
; cmp [move_flag],2
|
|
; jne @f
|
|
; add edx,navigation_size
|
|
; @@:
|
|
int 0x40
|
|
; VECTOR z- BUTTON
|
|
mov eax,8 ; function 8 : define and draw button
|
|
mov ebx,(SIZE_X+10)*65536+62-41 ; [x start] *65536 + [x size]
|
|
mov ecx,(25+140+15*(16+.Y_ADD))*65536+12 ; [y start] *65536 + [y size]
|
|
mov edx,34 ; button id
|
|
mov esi,0x6688dd ; button color RRGGBB
|
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int 0x40
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;VECTOR z- LABEL
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mov eax,4 ; function 4 : write text to window
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mov ebx,(SIZE_X+12)*65536+(168+15*(16+.Y_ADD)) ; [x start] *65536 + [y start]
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mov ecx,0x20ddeeff ; font 1 & color ( 0xF0RRGGBB )
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mov edx,labelzminus ; pointer to text beginning
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mov esi,labelzminusend-labelzminus ; text length
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; cmp [move_flag],2
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; jne @f
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; add edx,navigation_size
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; @@:
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int 0x40
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;VECTOR Y+ BUTTON
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mov eax,8 ; function 8 : define and draw button
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mov ebx,(SIZE_X+10+20)*65536+20 ; [x start] *65536 + [x size]
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mov ecx,(165+15*(16+.Y_ADD))*65536+12 ; [y start] *65536 + [y size]
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mov edx,35 ; button id
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mov esi,0x6688dd ; button color RRGGBB
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int 0x40
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;VECTOR Y+ LABEL
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mov eax,4 ; function 4 : write text to window
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mov ebx,(SIZE_X+32)*65536+(168+15*(16+.Y_ADD)) ; [x start] *65536 + [y start]
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mov ecx,0x20ddeeff ; font 1 & color ( 0xF0RRGGBB )
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mov edx,labelyplus ; pointer to text beginning
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mov esi,labelyplusend-labelyplus ; text length
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; cmp [move_flag],2
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; jne @f
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; add edx,navigation_size
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; @@:
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int 0x40
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mov eax,12 ; function 12:tell os about windowdraw
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mov ebx,2 ; 2, end of draw
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int 0x40
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ret
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; DATA AREA ************************************
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include 'data.inc'
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MEM_END:
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