1455 lines
32 KiB
NASM
1455 lines
32 KiB
NASM
;---------------------------------------------------------------------
|
|
; Free3D version 0.6
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|
;
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; last update: 21/02/2011
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; written by: Marat Zakiyanov aka Mario79, aka Mario
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; changes: advanced control for mouse
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; advanced control for keyboard:
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; W,A,S,D adn Arrow UP,Down,Left,Right
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;---------------------------------------------------------------------
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; Free3D version 0.5
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;
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; last update: 20/02/2011
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; written by: Marat Zakiyanov aka Mario79, aka Mario
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; changes: PNG textures 128x128
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; using libraries cnv_png.obj and archiver.obj
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; using dinamically allocation of memory
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;
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;---------------------------------------------------------------------
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;
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; Fisheye Raycasting Engine Etc. FREE3D for MENUETOS by Dieter Marfurt
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; Version 0.4 (requires some texture-files to compile (see Data Section))
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; dietermarfurt@angelfire.com - www.melog.ch/mos_pub/
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; Don't hit me - I'm an ASM-Newbie... since years :)
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;
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; Compile with FASM for Menuet (requires .INC files - see DATA Section)
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;
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; Willow - greatly srinked code size by using GIF texture and FPU to calculate sine table
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;
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; !!!! Don't use GIF_LITE.INC in your apps - it's modified for FREE3D !!!!
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;
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; Heavyiron - new 0-function of drawing window from kolibri (do not work correctly with menuet)
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TEX_SIZE equ 128*128*4 ;64*64*4 ;
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ICON_SIZE_X equ 128 ;64
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ICON_SIZE_Y equ 128 ;64
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Floors_Height equ 32000
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;---------------------------------------------------------------------
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use32
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org 0x0
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db 'MENUET01' ; 8 byte id
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dd 0x01 ; header version
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dd START ; start of code
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dd IM_END ; size of image
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dd I_END ; 0x100000 ; memory for app
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dd stacktop ; 0x100000 ; esp
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dd 0x0
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dd path
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;---------------------------------------------------------------------
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include '../../../macros.inc'
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;include 'macros.inc'
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include '../../../develop/libraries/box_lib/load_lib.mac'
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;include 'load_lib.mac'
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@use_library
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;---------------------------------------------------------------------
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START: ; start of execution
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mcall 68,11
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mcall 66,1,1
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mcall 40,0x27
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mcall 9,procinfo,-1
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mov ecx,[ebx+30] ; PID
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mcall 18,21
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mov [active_process],eax ; WINDOW SLOT
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load_libraries l_libs_start,end_l_libs
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test eax,eax
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jnz finish
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; unpack deflate
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mov eax,[unpack_DeflateUnpack2]
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mov [deflate_unpack],eax
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call load_icons
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call convert_icons
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mov esi,sinus
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mov ecx,360*10
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fninit
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fld [sindegree]
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;--------------------------------------
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.sinlp:
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fst st1
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fsin
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fmul [sindiv]
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fistp dword[esi]
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add esi,4
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fadd [sininc]
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loop .sinlp
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;---------------------------------------------------------------------
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call cursor_to_screen_center
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call set_new_cursor_skin
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;---------------------------------------------------------------------
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align 4
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red: ; redraw
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call draw_window
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call draw_stuff
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;---------------------------------------------------------------------
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align 4
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still:
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mcall 10 ; ask no wait for full speed
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cmp eax,1 ; window 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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cmp eax,6
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jne still
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;---------------------------------------------------------------------
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mouse:
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mcall 18,7
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cmp [active_process],eax
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jne still
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mcall 37,1
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xor ebx,ebx
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mov bx,ax ; EBX mouse y
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shr eax,16 ; EAX mouse x
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mov ecx,[mouse_position_old]
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xor edx,edx
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mov dx,cx ; EDX mouse y old
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shr ecx,16 ; ECX mouse x old
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cmp eax,ecx
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je .y ;still
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ja .turn_left
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;---------------------------------------------------------------------
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.turn_right:
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xchg eax,ecx
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sub eax,ecx
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mov edi,[vheading]
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add edi,eax
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jmp @f
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;---------------------------------------------------------------------
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.turn_left:
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sub eax,ecx
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mov edi,[vheading]
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sub edi,eax
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;--------------------------------------
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@@:
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call check_range
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;---------------------------------------------------------------------
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.y:
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cmp ebx,edx
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je .red
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ja .walk_down
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;--------------------------------------
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.walk_up:
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sub edx,ebx
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mov ecx,edx
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call prepare_2
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jz .1
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;--------------------------------------
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add eax,edi ; newPx
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add ebx,esi ; newPy
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jmp .1
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;---------------------------------------------------------------------
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.walk_down:
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sub ebx,edx
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mov ecx,ebx
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call prepare_2
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jz .1
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sub eax,edi ; newPx
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sub ebx,esi ; newPy
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;--------------------------------------
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.1:
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mov edi,eax ; newPx / ffff
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mov esi,ebx ; newPy / ffff
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sar edi,16
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sar esi,16
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mov ecx,esi
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sal ecx,5
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lea ecx,[grid+ecx+edi]
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cmp [ecx],byte 0
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je @f
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call cursor_to_screen_center
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jmp still ;cannotwalk
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;---------------------------------------------------------------------
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@@:
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mov [vpx],eax
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mov [vpy],ebx
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;--------------------------------------
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.red:
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call cursor_to_screen_center
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jmp red
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;---------------------------------------------------------------------
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align 4
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prepare_2:
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shr ecx,4
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push ecx
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call prepare_1
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pop ecx
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cmp ecx,3
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jb @f
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mov ecx,3
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@@:
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shl edi,cl
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shl esi,cl
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test ecx,ecx
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|
ret
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;---------------------------------------------------------------------
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align 4
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check_range:
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cmp edi,0
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jge @f
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mov edi,3600
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jmp .store
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;--------------------------------------
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@@:
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cmp edi,3600
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jle @f
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xor edi,edi
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;--------------------------------------
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@@:
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.store:
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mov [vheading],edi
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ret
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;---------------------------------------------------------------------
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align 4
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cursor_to_screen_center:
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mcall 18,15
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mcall 37,1
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mov [mouse_position_old],eax
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ret
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;---------------------------------------------------------------------
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set_new_cursor_skin:
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mcall 68,12,32*32*4
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mov ecx,eax
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mcall 37,4,,2
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mov ecx,eax
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mcall 37,5
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ret
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;---------------------------------------------------------------------
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align 4
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key: ; key
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mcall 2
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cmp [extended_key],1
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je .extended_key
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test al, al
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jnz still
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cmp ah, 0xE0
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jne @f
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mov [extended_key],1
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jmp still
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;---------------------------------------------------------------------
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@@:
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cmp ah,1 ; Esc
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je finish
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cmp ah,17 ; W up
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je s_up
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cmp ah,31 ; S down
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je s_down
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cmp ah,30 ; A left
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je w_left ;s_left
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cmp ah,32 ; D right
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je w_right ;s_right
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jmp still
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;---------------------------------------------------------------------
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.extended_key:
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mov [extended_key],0
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mov [current_key_code],ah
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cmp ah,27 ; esc=End App
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je finish
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cmp ah,72 ; up arrow
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je s_up
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cmp ah,80 ; down arrow
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je s_down
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cmp ah,75 ; left arrow
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je s_left
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cmp ah,77 ; right arrow
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je s_right
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jmp still
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;---------------------------------------------------------------------
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align 4
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smart_clr_key_buf:
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mov al,[old_key_code]
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mov ah,[current_key_code]
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mov [old_key_code],ah
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cmp al,ah
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jne .end
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;--------------------------------------
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.still:
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mcall 2
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cmp [extended_key],1
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je .extended_key
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test al, al
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jnz .end
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cmp ah, 0xE0
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jne .end
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mov [extended_key],1
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jmp .still
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.end:
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call draw_stuff
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jmp still
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;---------------------------------------------------------------------
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.extended_key:
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mov [extended_key],0
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mov [current_key_code],ah
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jmp smart_clr_key_buf
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;---------------------------------------------------------------------
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align 4
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w_left: ; walk left
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call prepare_1
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add eax,esi ; newPx
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sub ebx,edi ; newPy
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jmp s_down.1
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;---------------------------------------------------------------------
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align 4
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w_right: ; walk right
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call prepare_1
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sub eax,esi ; newPx
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add ebx,edi ; newPy
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jmp s_down.1
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;---------------------------------------------------------------------
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align 4
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s_up: ; walk forward (key or mouse)
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call prepare_1
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; sal esi,1 ; edit walking speed here
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; sal edi,1
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add eax,edi ; newPx
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add ebx,esi ; newPy
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jmp s_down.1
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;---------------------------------------------------------------------
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align 4
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s_down: ; walk backward
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call prepare_1
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; sal esi,1 ; edit walking speed here
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; sal edi,1
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sub eax,edi ; newPx
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sub ebx,esi ; newPy
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.1:
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mov edi,eax ; newPx / ffff
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mov esi,ebx ; newPy / ffff
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sar edi,16
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sar esi,16
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mov ecx,esi
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sal ecx,5
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lea ecx,[grid+ecx+edi]
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cmp [ecx],byte 0
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jne smart_clr_key_buf ;cannotwalk
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mov [vpx],eax
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mov [vpy],ebx
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jmp smart_clr_key_buf
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;---------------------------------------------------------------------
|
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align 4
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prepare_1:
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mov eax,[vpx]
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mov ebx,[vpy]
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mov ecx,[vheading]
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mov edx,ecx
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mov edi,[sinus+ecx*4]
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lea edx,[sinus+3600+edx*4]
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cmp edx,eosinus ; cosinus taken from (sinus plus 900) mod 3600
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jb @f
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|
|
|
sub edx,14400
|
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;--------------------------------------
|
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@@:
|
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mov esi,[edx]
|
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ret
|
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;---------------------------------------------------------------------
|
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align 4
|
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s_left: ; turn left (key)
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mov edi,[vheading]
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add edi,50
|
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jmp s_right.1
|
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;---------------------------------------------------------------------
|
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align 4
|
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s_right: ; turn right
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mov edi,[vheading]
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sub edi,50
|
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.1:
|
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call check_range
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jmp smart_clr_key_buf
|
|
;---------------------------------------------------------------------
|
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align 4
|
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button: ; button
|
|
mcall 17
|
|
cmp ah,1 ; button id=1 ?
|
|
jne still ;gamestart
|
|
;--------------------------------------
|
|
finish:
|
|
mcall -1 ; close this program
|
|
;---------------------------------------------------------------------
|
|
; *********************************************
|
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; ******* WINDOW DEFINITIONS AND DRAW ********
|
|
; *********************************************
|
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align 4
|
|
draw_window:
|
|
mcall 12,1
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|
|
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mcall 0,<50,649>,<50,484>,0x01000000,0x01000000,0x01000000
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|
|
|
mcall 12,2
|
|
ret
|
|
;---------------------------------------------------------------------
|
|
; *********************************************
|
|
; ******* COMPUTE 3D-VIEW ********
|
|
; *********************************************
|
|
align 4
|
|
draw_stuff:
|
|
mov [step1],dword 1
|
|
; mov [step64],dword 64
|
|
mov esi,[vheading]
|
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add esi,320
|
|
mov [va],esi
|
|
mov eax,[vheading]
|
|
sub eax,320
|
|
mov [vacompare],eax
|
|
;------------------------------------ CAST 640 PIXEL COLUMNS ---------------
|
|
; FOR A=320+heading to -319+heading step -1 (a is stored in [va])
|
|
;---------------------------------------------------------------------------
|
|
; mov edx,5
|
|
mov [vx1],dword 0 ;5 ;edx ; init x1 ... pixelcolumn
|
|
;--------------------------------------
|
|
align 4
|
|
for_a:
|
|
mov edx,[vx1]
|
|
mov [vx1b],edx
|
|
sub [vx1b],dword 320
|
|
mov edx,[va] ; a2
|
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cmp edx,-1 ; a2 is a mod 3600
|
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jg ok1
|
|
|
|
add edx,3600
|
|
;--------------------------------------
|
|
ok1:
|
|
cmp edx,3600
|
|
jb ok2
|
|
|
|
sub edx,3600
|
|
;--------------------------------------
|
|
ok2:
|
|
; get stepx and stepy
|
|
; pointer to stepx
|
|
lea ecx,[sinus+edx*4]
|
|
mov esi,[ecx]
|
|
sar esi,4 ; accuracy
|
|
mov [vstepx],esi ; store stepx
|
|
lea esi,[sinus+3600+edx*4]
|
|
cmp esi,eosinus ;cosinus taken from ((sinus plus 900) mod 3600)
|
|
jb ok202
|
|
|
|
sub esi,14400
|
|
;--------------------------------------
|
|
ok202:
|
|
mov ecx,[esi]
|
|
sar ecx,4
|
|
mov [vstepy],ecx ; store stepy
|
|
|
|
mov eax,[vpx] ; get Camera Position
|
|
mov ebx,[vpy]
|
|
mov [vxx],eax ; init caster position
|
|
mov [vyy],ebx
|
|
|
|
mov edi,0 ; init L (number of raycsting-steps)
|
|
mov [step1],dword 1 ; init Caster stepwidth for L.
|
|
;--------------------------------------
|
|
; raycast a pixel column
|
|
align 4
|
|
raycast:
|
|
add edi,[step1] ; count caster steps
|
|
jmp nodouble ; use this to prevent blinking/wobbling textures: much slower!
|
|
|
|
; cmp edi,32
|
|
; je double
|
|
|
|
; cmp edi,512
|
|
; je double
|
|
|
|
; cmp edi,1024
|
|
; je double
|
|
|
|
; jmp nodouble
|
|
;---------------------------------------------------------------------
|
|
;double:
|
|
; mov edx,[step1]
|
|
; sal edx,1
|
|
; mov [step1],edx
|
|
|
|
; mov edx,[vstepx]
|
|
; sal edx,1
|
|
; mov [vstepx],edx
|
|
|
|
; mov edx,[vstepy]
|
|
; sal edx,1
|
|
; mov [vstepy],edx
|
|
;--------------------------------------
|
|
nodouble:
|
|
mov eax,Floors_Height ;32000 ; 3600 ; determine Floors Height based on distance
|
|
xor edx,edx
|
|
mov ebx,edi
|
|
|
|
div ebx
|
|
|
|
shl edx,1
|
|
cmp ebx,edx
|
|
jae @f
|
|
inc eax
|
|
@@:
|
|
|
|
mov esi,eax
|
|
mov [vdd],esi
|
|
mov edx,260
|
|
sub edx,esi
|
|
mov [vh],edx
|
|
|
|
cmp edx,22
|
|
jb no_nu_pixel
|
|
|
|
cmp edx,259
|
|
jg no_nu_pixel ; draw only new pixels
|
|
|
|
cmp edx,[h_old]
|
|
je no_nu_pixel
|
|
|
|
mov eax,[vxx] ; calc floor pixel
|
|
mov ebx,[vyy]
|
|
|
|
and eax,0x0000FFFF
|
|
and ebx,0x0000FFFF
|
|
|
|
shr eax,10
|
|
shr ebx,10 ; pixel coords inside Texture x,y 64*64
|
|
mov [xfrac],eax
|
|
mov [yfrac],ebx
|
|
; plot floor pixel !!!!
|
|
mov [vl],edi ; save L
|
|
mov [ytemp],esi ; remember L bzw. H
|
|
|
|
mov edi,[yfrac] ; get pixel color of this floor pixel
|
|
sal edi,9 ;8 - for 64x64
|
|
mov esi,[xfrac]
|
|
sal esi,3 ;2 - for 64x64
|
|
; in fact its floor, just using the wall texture :)
|
|
; lea edi,[wall+edi+esi]
|
|
add edi,[wall1]
|
|
add edi,esi
|
|
mov edx,[edi]
|
|
mov [remesi],esi
|
|
;**** calculate pixel adress:****
|
|
mov esi,[ytemp]
|
|
add esi,240
|
|
imul esi,1920
|
|
mov eax,[vx1]
|
|
lea eax,[eax+eax*2]
|
|
lea esi,[screen_buffer+eax+esi]
|
|
|
|
cmp esi,screen_buffer+1920*480
|
|
jg foff0
|
|
|
|
cmp esi,screen_buffer
|
|
jb foff0
|
|
; now we have the adress of the floor-pixel color in edi
|
|
; and the adress of the pixel in the image in esi
|
|
mov edx,[edi]
|
|
;******************** custom distance DARKEN Floor
|
|
mov eax,[vdd]
|
|
; jmp nodark0 ; use this to deactivate darkening floor (a bit faster)
|
|
|
|
cmp eax,80
|
|
jg nodark0
|
|
; split rgb
|
|
mov [blue_color],edx
|
|
and [blue_color],dword 255
|
|
|
|
shr edx,8
|
|
mov [green_color],edx
|
|
and [green_color],dword 255
|
|
|
|
shr edx,8
|
|
mov [red_color],edx
|
|
and [red_color],dword 255
|
|
|
|
mov eax,81 ; darkness parameter
|
|
sub eax,[vdd]
|
|
sal eax,1
|
|
; reduce rgb
|
|
sub [red_color],eax
|
|
cmp [red_color],dword 0
|
|
jg notblack10
|
|
|
|
mov [red_color],dword 0
|
|
;--------------------------------------
|
|
notblack10:
|
|
sub [green_color],eax
|
|
cmp [green_color],dword 0
|
|
jg notblack20
|
|
|
|
mov [green_color],dword 0
|
|
;--------------------------------------
|
|
notblack20:
|
|
mov edx,[blue_color]
|
|
sub [blue_color],eax
|
|
cmp [blue_color],dword 0
|
|
jg notblack30
|
|
|
|
mov [blue_color],dword 0
|
|
;--------------------------------------
|
|
notblack30:
|
|
shl dword [red_color],16 ; reassemble rgb
|
|
shl dword [green_color],8
|
|
mov edx,[red_color]
|
|
or edx,[green_color]
|
|
or edx,[blue_color]
|
|
;--------------------------------------
|
|
nodark0:
|
|
; eo custom darken floor
|
|
mov eax,edx
|
|
|
|
; cmp esi,screen_buffer+1920*480
|
|
; ja foff0
|
|
|
|
; cmp esi,screen_buffer
|
|
; jb foff0
|
|
|
|
mov [esi],eax ; actually draw the floor pixel
|
|
; paint "forgotten" pixels
|
|
mov edx,[lasty]
|
|
sub edx,1920
|
|
cmp esi,edx
|
|
je foff0
|
|
|
|
mov [esi+1920],eax
|
|
sub edx,1920
|
|
cmp esi,edx
|
|
je foff0
|
|
|
|
mov [edx+1920],eax
|
|
sub edx,1920
|
|
cmp esi,edx
|
|
je foff0
|
|
|
|
mov [edx+1920],eax
|
|
;--------------------------------------
|
|
align 4
|
|
foff0:
|
|
mov [lasty],esi
|
|
;**** end of draw floor pixel ****
|
|
mov esi,[remesi]
|
|
mov edi,[vl] ; restore L
|
|
;--------------------------------------
|
|
no_nu_pixel:
|
|
mov esi,[vh]
|
|
mov [h_old],esi
|
|
|
|
mov eax,[vxx]
|
|
mov ebx,[vyy]
|
|
|
|
add eax,[vstepx] ; casting...
|
|
add ebx,[vstepy]
|
|
|
|
mov [vxx],eax
|
|
mov [vyy],ebx
|
|
|
|
sar eax,16
|
|
sar ebx,16
|
|
|
|
mov [vpxi],eax ; casters position in Map Grid
|
|
mov [vpyi],ebx
|
|
|
|
mov edx,ebx
|
|
shl edx,5
|
|
lea edx,[grid+edx+eax]
|
|
|
|
cmp [edx],byte 0 ; raycaster reached a wall? (0=no)
|
|
jne getout
|
|
|
|
cmp edi,10000 ; limit view range
|
|
jb raycast
|
|
;--------------------------------------
|
|
getout:
|
|
mov eax,[edx] ; store Grid Wall Value for Texture Selection
|
|
mov [vk],eax
|
|
call blur ; deactivate this (blurs the near floor) : a bit faster
|
|
|
|
; simply copy floor to ceil pixel column here
|
|
; jmp nocopy ; use this for test purposes
|
|
pusha
|
|
mov eax,screen_buffer+1920*240
|
|
mov ebx,eax ;screen_buffer+1920*240
|
|
;--------------------------------------
|
|
align 4
|
|
copyfloor:
|
|
sub eax,1920
|
|
add ebx,1920
|
|
mov ecx,[vx1]
|
|
lea ecx,[ecx+ecx*2]
|
|
lea edx,[ecx+ebx]
|
|
add ecx,eax
|
|
mov esi,[edx]
|
|
mov [ecx],esi
|
|
cmp eax,screen_buffer
|
|
jg copyfloor
|
|
;@@:
|
|
popa
|
|
; *** end of copy floor to ceil
|
|
;nocopy:
|
|
;--------------------------------------
|
|
; draw this pixelrows wall
|
|
mov [vl],edi
|
|
mov edi,260
|
|
sub edi,[vdd]
|
|
cmp edi,0
|
|
jg ok3
|
|
|
|
xor edi,edi
|
|
;--------------------------------------
|
|
ok3:
|
|
mov [vbottom],edi ; end wall ceil (or window top)
|
|
mov esi,262
|
|
add esi,[vdd] ; start wall floor
|
|
xor edi,edi
|
|
; somethin is wrong with xfrac,so recalc...
|
|
mov eax,[vxx]
|
|
and eax,0x0000FFFF
|
|
shr eax,10
|
|
mov [xfrac],eax
|
|
|
|
mov eax,[vyy]
|
|
and eax,0x0000FFFF
|
|
shr eax,10
|
|
mov [yfrac],eax
|
|
;--------------------------------------
|
|
pixelrow:
|
|
; find each pixels color:
|
|
add edi,ICON_SIZE_Y
|
|
sub esi,1
|
|
cmp esi,502 ; dont calc offscreen-pixels
|
|
jg speedup
|
|
|
|
xor edx,edx
|
|
mov eax,edi
|
|
mov ebx,[vdd]
|
|
; add ebx,ebx
|
|
shl ebx,1
|
|
div ebx
|
|
|
|
shl edx,1
|
|
cmp ebx,edx
|
|
jae @f
|
|
inc eax
|
|
@@:
|
|
and eax,ICON_SIZE_Y-1
|
|
mov [ytemp],eax ; get y of texture for wall
|
|
|
|
mov eax,[xfrac]
|
|
add eax,[yfrac]
|
|
and eax,ICON_SIZE_X-1
|
|
mov [xtemp],eax ; get x of texture for wall
|
|
; now prepare to plot that wall-pixel...
|
|
mov [remedi],edi
|
|
mov edi,[ytemp]
|
|
sal edi,9 ;8 - for 64x64
|
|
mov edx,[xtemp]
|
|
sal edx,3 ;2 - for 64x64
|
|
add edi,edx
|
|
mov eax,[vk] ; determine which texture should be used
|
|
and eax,255
|
|
|
|
cmp eax,1
|
|
jne checkmore1
|
|
|
|
add edi,[wall0] ;ceil
|
|
jmp foundtex
|
|
;---------------------------------------------------------------------
|
|
align 4
|
|
checkmore1:
|
|
cmp eax,2
|
|
jne checkmore2
|
|
|
|
add edi,[wall1]
|
|
jmp foundtex
|
|
;---------------------------------------------------------------------
|
|
align 4
|
|
checkmore2:
|
|
cmp eax,3
|
|
jne checkmore3
|
|
|
|
add edi,[wall2]
|
|
jmp foundtex
|
|
;---------------------------------------------------------------------
|
|
align 4
|
|
checkmore3:
|
|
cmp eax,4
|
|
jne checkmore4
|
|
|
|
add edi,[wall3]
|
|
jmp foundtex
|
|
;---------------------------------------------------------------------
|
|
align 4
|
|
checkmore4:
|
|
cmp eax,5
|
|
jne checkmore5
|
|
|
|
add edi,[wall4]
|
|
jmp foundtex
|
|
;---------------------------------------------------------------------
|
|
align 4
|
|
checkmore5:
|
|
cmp eax,6
|
|
jne checkmore6
|
|
|
|
add edi,[wall5]
|
|
jmp foundtex
|
|
;---------------------------------------------------------------------
|
|
align 4
|
|
checkmore6:
|
|
cmp eax,7
|
|
jne checkmore7
|
|
|
|
add edi,[wall6]
|
|
jmp foundtex
|
|
;---------------------------------------------------------------------
|
|
align 4
|
|
checkmore7:
|
|
cmp eax,8
|
|
jne checkmore8
|
|
|
|
add edi,[wall7]
|
|
jmp foundtex
|
|
;---------------------------------------------------------------------
|
|
align 4
|
|
checkmore8:
|
|
foundtex:
|
|
mov edx,[edi] ; get pixel color inside texture
|
|
; ***pseudoshade south-west
|
|
; jmp east ; activate this for southwest pseudoshade : a bit slower + blink-bug
|
|
;---------------------------------------------------------------------
|
|
; mov edi,[yfrac]
|
|
; mov [pseudo],dword 0 ; store flag for custom distance darkening
|
|
; cmp edi,[xfrac]
|
|
; jge east
|
|
|
|
; and edx,0x00FEFEFE
|
|
; shr edx,1
|
|
; mov [pseudo],dword 1
|
|
;--------------------------------------
|
|
east:
|
|
call dark_distance ; deactivate wall distance darkening: a bit faster
|
|
; ******* DRAW WALL PIXEL *******
|
|
mov eax,esi
|
|
lea eax,[esi-22]
|
|
imul eax,1920
|
|
mov ebx,[vx1]
|
|
lea ebx,[ebx+ebx*2]
|
|
lea eax,[eax+screen_buffer+ebx]
|
|
|
|
cmp eax,screen_buffer+1920*480
|
|
ja dont_draw
|
|
|
|
cmp eax,screen_buffer
|
|
jb dont_draw
|
|
|
|
mov [eax],edx ; actually set the pixel in the image
|
|
;--------------------------------------
|
|
; *** eo draw wall pixel
|
|
dont_draw:
|
|
mov edi,[remedi]
|
|
;--------------------------------------
|
|
speedup:
|
|
cmp esi,[vbottom] ; end of this column?
|
|
jg pixelrow
|
|
|
|
mov edi,[vl] ; restoring
|
|
mov eax,[vx1] ; inc X1
|
|
add eax,1
|
|
mov [vx1],eax
|
|
;*** NEXT A ***
|
|
mov esi,[va]
|
|
sub esi,1
|
|
mov [va],esi
|
|
cmp esi,[vacompare]
|
|
jg for_a
|
|
;*** EO NEXT A ***
|
|
;--------------------------------------
|
|
; **** put image !!!!!****
|
|
xor edx,edx
|
|
mcall 7,screen_buffer,<640,480>
|
|
ret
|
|
;---------------------------------------------------------------------
|
|
align 4
|
|
blur:
|
|
pusha
|
|
mov eax,screen_buffer+360*1920
|
|
;--------------------------------------
|
|
align 4
|
|
copyfloor2:
|
|
add eax,1920
|
|
mov ebx,[vx1]
|
|
lea ebx,[ebx+ebx*2]
|
|
add ebx,eax
|
|
|
|
mov ecx,[ebx-15]
|
|
and ecx,0x00FEFEFE
|
|
shr ecx,1
|
|
|
|
mov edx,[ebx-12]
|
|
and edx,0x00FEFEFE
|
|
shr edx,1
|
|
add edx,ecx
|
|
and edx,0x00FEFEFE
|
|
shr edx,1
|
|
|
|
mov ecx,[ebx-9]
|
|
and ecx,0x00FEFEFE
|
|
shr ecx,1
|
|
add edx,ecx
|
|
|
|
and edx,0x00FEFEFE
|
|
shr edx,1
|
|
|
|
mov ecx,[ebx-6]
|
|
and ecx,0x00FEFEFE
|
|
shr ecx,1
|
|
add edx,ecx
|
|
|
|
and edx,0x00FEFEFE
|
|
shr edx,1
|
|
|
|
mov ecx,[ebx-3]
|
|
and ecx,0x00FEFEFE
|
|
shr ecx,1
|
|
add edx,ecx
|
|
|
|
and edx,0x00FEFEFE
|
|
shr edx,1
|
|
|
|
mov ecx,[ebx]
|
|
and ecx,0x00FEFEFE
|
|
shr ecx,1
|
|
add edx,ecx
|
|
|
|
mov [ebx],edx
|
|
|
|
cmp eax,screen_buffer+478*1920
|
|
jb copyfloor2
|
|
|
|
popa
|
|
ret
|
|
;---------------------------------------------------------------------
|
|
; ******* Darken by Distance *******
|
|
align 4
|
|
dark_distance:
|
|
; color must be in edx, wall height in [vdd]
|
|
mov eax,[vdd]
|
|
cmp eax,50
|
|
jg nodark
|
|
; split rgb
|
|
mov [blue_color],edx
|
|
and [blue_color],dword 255
|
|
|
|
shr edx,8
|
|
mov [green_color],edx
|
|
and [green_color],dword 255
|
|
|
|
shr edx,8
|
|
mov [red_color],edx
|
|
and [red_color],dword 255
|
|
|
|
mov eax,51 ; darkness parameter
|
|
sub eax,[vdd]
|
|
cmp [pseudo],dword 1
|
|
je isdarkside
|
|
|
|
sal eax,2
|
|
;--------------------------------------
|
|
align 4
|
|
isdarkside:
|
|
; reduce rgb
|
|
sub [red_color],eax
|
|
cmp [red_color],dword 0
|
|
jg notblack10b
|
|
|
|
mov [red_color],dword 0
|
|
;--------------------------------------
|
|
align 4
|
|
notblack10b:
|
|
sub [green_color],eax
|
|
cmp [green_color],dword 0
|
|
jg notblack20b
|
|
|
|
mov [green_color],dword 0
|
|
;--------------------------------------
|
|
align 4
|
|
notblack20b:
|
|
mov edx,[blue_color]
|
|
sub [blue_color],eax
|
|
cmp [blue_color],dword 0
|
|
jg notblack30b
|
|
|
|
mov [blue_color],dword 0
|
|
;--------------------------------------
|
|
align 4
|
|
notblack30b:
|
|
shl dword [red_color],16 ; reassemble rgb
|
|
shl dword [green_color],8
|
|
mov edx,[red_color]
|
|
or edx,[green_color]
|
|
or edx,[blue_color]
|
|
mov eax,edx
|
|
;--------------------------------------
|
|
align 4
|
|
nodark:
|
|
ret
|
|
;---------------------------------------------------------------------
|
|
load_icons:
|
|
mov ebx,icons_file_name
|
|
mov esi,path
|
|
mov edi,file_name
|
|
call copy_file_path
|
|
|
|
mov [fileinfo.subfunction],dword 5
|
|
mov [fileinfo.size],dword 0
|
|
mov [fileinfo.return],dword file_info
|
|
mcall 70,fileinfo
|
|
test eax,eax
|
|
jnz .error
|
|
|
|
mov [fileinfo.subfunction],dword 0
|
|
|
|
mov ecx,[file_info+32]
|
|
mov [fileinfo.size],ecx
|
|
mov [img_size],ecx
|
|
|
|
mcall 68,12
|
|
test eax,eax
|
|
jz finish ;memory_get_error
|
|
|
|
mov [fileinfo.return],eax
|
|
mov [image_file],eax
|
|
|
|
mcall 70,fileinfo
|
|
test eax,eax
|
|
jnz .error
|
|
ret
|
|
.error:
|
|
; mov [N_error],2
|
|
; mov [error_type],eax
|
|
jmp finish
|
|
;---------------------------------------------------------------------
|
|
copy_file_path:
|
|
xor eax,eax
|
|
cld
|
|
@@:
|
|
lodsb
|
|
stosb
|
|
test eax,eax
|
|
jnz @b
|
|
mov esi,edi
|
|
dec esi
|
|
std
|
|
@@:
|
|
lodsb
|
|
cmp al,'/'
|
|
jnz @b
|
|
mov edi,esi
|
|
add edi,2
|
|
mov esi,ebx
|
|
cld
|
|
@@:
|
|
lodsb
|
|
stosb
|
|
test eax,eax
|
|
jnz @b
|
|
ret
|
|
;---------------------------------------------------------------------
|
|
convert_icons:
|
|
xor eax,eax
|
|
mov [return_code],eax
|
|
push image_file
|
|
call [cnv_png_import.Start]
|
|
|
|
mov ecx,[image_file]
|
|
mcall 68,13,
|
|
test eax,eax
|
|
jz finish ;memory_free_error
|
|
|
|
cmp [return_code],dword 0
|
|
; je @f
|
|
; mov [N_error],6
|
|
; jmp button.exit
|
|
;@@:
|
|
jne finish
|
|
|
|
mcall 68,20,ICON_SIZE_X*ICON_SIZE_Y*4*8+44,[raw_pointer]
|
|
mov [raw_pointer],eax
|
|
|
|
mov ebx,[raw_pointer]
|
|
; set RAW area for icon
|
|
mov eax,[ebx+28]
|
|
add eax,ebx
|
|
mov edi,eax
|
|
mov esi,eax
|
|
add esi,ICON_SIZE_X*ICON_SIZE_Y*8*3-1
|
|
add edi,ICON_SIZE_X*ICON_SIZE_Y*8*4-4
|
|
|
|
; add eax,TEX_SIZE
|
|
mov [wall0],eax
|
|
add eax,TEX_SIZE
|
|
mov [wall1],eax
|
|
add eax,TEX_SIZE
|
|
mov [wall2],eax
|
|
add eax,TEX_SIZE
|
|
mov [wall3],eax
|
|
add eax,TEX_SIZE
|
|
mov [wall4],eax
|
|
add eax,TEX_SIZE
|
|
mov [wall5],eax
|
|
add eax,TEX_SIZE
|
|
mov [wall6],eax
|
|
add eax,TEX_SIZE
|
|
mov [wall7],eax
|
|
add eax,TEX_SIZE
|
|
; conversion 24b to 32 b
|
|
mov ecx,ICON_SIZE_X*ICON_SIZE_Y*8
|
|
std
|
|
@@:
|
|
xor eax,eax
|
|
lodsb
|
|
rol eax,8
|
|
lodsb
|
|
rol eax,8
|
|
lodsb
|
|
; ror eax,16
|
|
stosd
|
|
dec ecx
|
|
jnz @b
|
|
cld
|
|
ret
|
|
;---------------------------------------------------------------------
|
|
; DATA AREA
|
|
;ceil=ceil
|
|
;wall=wall floor
|
|
;2 corner stone
|
|
;3 leaf mosaic
|
|
;4 closed window
|
|
;5 greek mosaic
|
|
;6 old street stones
|
|
;7 maya wall
|
|
;---------------------------------------------------------------------
|
|
align 4
|
|
grid: ; 32*32 Blocks, Map: 0 = Air, 1 to 8 = Wall
|
|
db 2,1,2,1,2,1,2,1,2,1,2,1,1,1,1,1,1,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8
|
|
db 1,0,0,0,1,0,0,0,0,0,0,3,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,8,8
|
|
db 5,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8
|
|
db 1,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,1,0,0,0,0,3,3,3,3,0,0,0,0,0,0,8
|
|
db 5,0,1,2,3,4,5,6,7,8,2,1,3,3,3,0,5,0,2,1,2,3,0,0,0,0,0,0,0,0,0,8
|
|
db 1,0,0,0,0,0,0,0,0,0,2,3,0,0,0,0,5,0,0,0,0,3,0,0,0,0,0,0,0,0,0,8
|
|
db 5,0,0,0,1,0,0,4,0,0,0,1,0,0,0,0,5,0,0,0,0,3,3,0,3,3,0,0,0,0,0,8
|
|
db 1,1,0,1,1,1,1,4,1,0,1,3,0,0,0,0,5,2,1,2,0,3,0,0,0,3,0,0,0,0,0,8
|
|
db 5,0,0,0,1,0,0,0,0,0,0,1,0,3,3,3,5,0,0,0,0,3,0,0,0,3,0,0,0,0,0,8
|
|
db 1,0,0,0,1,0,0,5,0,0,0,0,0,0,0,0,5,0,0,0,0,0,0,0,0,3,0,0,0,0,0,8
|
|
db 5,0,0,0,0,0,0,5,0,0,0,1,0,0,0,0,5,0,0,0,0,3,0,0,0,0,0,0,0,0,0,8
|
|
db 1,4,4,4,4,4,4,4,4,4,4,3,0,0,0,0,0,0,0,0,0,3,0,0,0,0,0,0,0,0,8,8
|
|
db 2,2,2,2,2,2,8,8,8,8,8,8,8,8,8,0,0,0,6,6,0,7,7,7,7,7,7,7,7,7,8,8
|
|
db 1,0,0,0,1,0,0,0,0,0,0,3,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,0,0,1
|
|
db 5,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,6,0,2,2,2,2,0,0,0,0,3,3,3,3,3,1
|
|
db 1,0,0,0,1,0,0,1,0,0,0,0,0,0,0,0,6,0,0,0,0,2,0,0,0,0,3,0,0,0,0,1
|
|
db 5,0,2,3,2,3,2,3,2,3,2,1,0,0,0,0,6,0,2,2,0,2,0,0,0,0,3,0,5,5,0,1
|
|
db 1,0,0,0,0,0,0,4,0,0,0,3,0,0,0,0,6,0,0,2,0,2,0,2,0,0,3,0,0,0,0,1
|
|
db 5,0,0,0,1,0,0,4,0,0,0,1,0,0,0,0,6,0,0,2,2,2,0,2,0,0,3,3,3,3,0,1
|
|
db 1,1,0,1,1,1,1,4,1,0,1,3,7,7,7,0,6,0,0,0,0,0,0,2,0,0,0,0,0,3,0,1
|
|
db 5,0,0,0,1,0,0,0,0,0,0,1,0,0,0,0,6,0,0,0,0,2,2,2,0,0,0,0,0,3,0,1
|
|
db 1,0,0,0,1,0,0,5,0,0,0,3,0,0,0,0,6,0,0,0,0,2,0,0,0,0,0,0,0,0,0,1
|
|
db 5,0,0,0,0,0,0,5,0,0,0,1,0,0,0,0,6,0,5,1,0,2,0,0,4,4,0,4,4,0,0,1
|
|
db 1,4,1,4,1,4,1,4,1,4,1,3,0,0,0,0,6,0,0,5,0,2,0,0,0,4,0,4,0,0,0,1
|
|
db 1,0,0,0,0,0,0,4,0,0,0,3,0,3,3,3,6,0,0,1,0,1,0,0,4,4,0,4,4,0,0,1
|
|
db 5,0,0,0,1,0,0,4,0,0,0,1,0,0,0,0,6,0,0,5,0,1,0,4,4,0,0,0,4,4,0,1
|
|
db 1,1,0,1,1,1,1,4,1,0,1,3,0,0,0,0,6,0,0,1,0,1,0,4,0,0,0,0,0,4,0,1
|
|
db 5,0,0,0,1,0,0,0,0,0,0,1,0,0,0,0,6,0,0,5,0,1,0,4,0,0,0,0,0,4,0,1
|
|
db 1,0,0,0,1,0,0,5,0,0,0,3,0,0,0,0,6,1,5,1,0,1,0,4,4,0,0,0,4,4,0,1
|
|
db 5,0,0,0,0,0,0,5,0,0,0,0,0,0,1,1,0,0,0,0,0,1,0,0,4,4,4,4,4,0,0,1
|
|
db 1,4,1,4,1,4,1,4,1,4,1,3,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,1
|
|
db 2,1,2,1,2,1,2,1,2,1,2,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1
|
|
;---------------------------------------------------------------------
|
|
vpx:
|
|
dd 0x0001FFFF ; initial player position * 0xFFFF
|
|
vpy:
|
|
dd 0x0001FFFF
|
|
|
|
title db 'Free3D v0.6 - fisheye raycasting engine etc.',0
|
|
|
|
sindegree dd 0.0
|
|
sininc dd 0.0017453292519943295769236907684886
|
|
sindiv dd 6553.5
|
|
;textures:
|
|
;file 'texture.gif'
|
|
current_key_code db 0
|
|
old_key_code db 0
|
|
extended_key db 0
|
|
;---------------------------------------------------------------------
|
|
align 4
|
|
fileinfo:
|
|
.subfunction dd 5
|
|
.Offset dd 0
|
|
.Offset_1 dd 0
|
|
.size dd 0
|
|
.return dd file_info
|
|
db 0
|
|
.name: dd file_name
|
|
;---------------------------------------------------------------------
|
|
icons_file_name db 'texture_24b.png',0
|
|
;---------------------------------------------------------------------
|
|
plugins_directory db 0
|
|
|
|
system_dir_Boxlib db '/sys/lib/box_lib.obj',0
|
|
system_dir_CnvPNG db '/sys/lib/cnv_png.obj',0
|
|
system_dir_Sort db '/sys/lib/sort.obj',0
|
|
system_dir_UNPACK db '/sys/lib/archiver.obj',0
|
|
|
|
ihead_f_i:
|
|
ihead_f_l db 'System error',0
|
|
|
|
er_message_found_lib1 db 'cnv_png.obj - Not found!',0
|
|
er_message_import1 db 'cnv_png.obj - Wrong import!',0
|
|
|
|
err_message_found_lib2 db 'archiver.obj - Not found!',0
|
|
err_message_import2 db 'archiver.obj - Wrong import!',0
|
|
|
|
|
|
align 4
|
|
l_libs_start:
|
|
library01 l_libs system_dir_CnvPNG+9,path,file_name,system_dir_CnvPNG,\
|
|
er_message_found_lib1,ihead_f_l,cnv_png_import,er_message_import1,ihead_f_i,plugins_directory
|
|
|
|
library02 l_libs system_dir_UNPACK+9,path,file_name,system_dir_UNPACK,\
|
|
err_message_found_lib2,ihead_f_l,UNPACK_import,err_message_import2,ihead_f_i,plugins_directory
|
|
|
|
end_l_libs:
|
|
;---------------------------------------------------------------------
|
|
align 4
|
|
cnv_png_import:
|
|
.Start dd aCP_Start
|
|
.Version dd aCP_Version
|
|
.Check dd aCP_Check
|
|
.Assoc dd aCP_Assoc
|
|
dd 0
|
|
dd 0
|
|
aCP_Start db 'START',0
|
|
aCP_Version db 'version',0
|
|
aCP_Check db 'Check_Header',0
|
|
aCP_Assoc db 'Associations',0
|
|
;---------------------------------------------------------------------
|
|
align 4
|
|
UNPACK_import:
|
|
;unpack_Version dd aUnpack_Version
|
|
;unpack_PluginLoad dd aUnpack_PluginLoad
|
|
;unpack_OpenFilePlugin dd aUnpack_OpenFilePlugin
|
|
;unpack_ClosePlugin dd aUnpack_ClosePlugin
|
|
;unpack_ReadFolder dd aUnpack_ReadFolder
|
|
;unpack_SetFolder dd aUnpack_SetFolder
|
|
;unpack_GetFiles dd aUnpack_GetFiles
|
|
;unpack_GetOpenPluginInfo dd aUnpack_GetOpenPluginInfo
|
|
;unpack_Getattr dd aUnpack_Getattr
|
|
;unpack_Open dd aUnpack_Open
|
|
;unpack_Read dd aUnpack_Read
|
|
;unpack_Setpos dd aUnpack_Setpos
|
|
;unpack_Close dd aUnpack_Close
|
|
;unpack_DeflateUnpack dd aUnpack_DeflateUnpack
|
|
unpack_DeflateUnpack2 dd aUnpack_DeflateUnpack2
|
|
dd 0
|
|
dd 0
|
|
|
|
;aUnpack_Version db 'version',0
|
|
;aUnpack_PluginLoad db 'plugin_load',0
|
|
;aUnpack_OpenFilePlugin db 'OpenFilePlugin',0
|
|
;aUnpack_ClosePlugin db 'ClosePlugin',0
|
|
;aUnpack_ReadFolder db 'ReadFolder',0
|
|
;aUnpack_SetFolder db 'SetFolder',0
|
|
;aUnpack_GetFiles db 'GetFiles',0
|
|
;aUnpack_GetOpenPluginInfo db 'GetOpenPluginInfo',0
|
|
;aUnpack_Getattr db 'getattr',0
|
|
;aUnpack_Open db 'open',0
|
|
;aUnpack_Read db 'read',0
|
|
;aUnpack_Setpos db 'setpos',0
|
|
;aUnpack_Close db 'close',0
|
|
;aUnpack_DeflateUnpack db 'deflate_unpack',0
|
|
aUnpack_DeflateUnpack2 db 'deflate_unpack2',0
|
|
|
|
;---------------------------------------------------------------------
|
|
IM_END:
|
|
;---------------------------------------------------------------------
|
|
; not change this section!!!
|
|
; start section
|
|
;---------------------------------------------------------------------
|
|
align 4
|
|
image_file rd 1
|
|
raw_pointer rd 1
|
|
return_code rd 1
|
|
img_size rd 1
|
|
deflate_unpack rd 1
|
|
raw_pointer_2 rd 1 ;+20
|
|
;---------------------------------------------------------------------
|
|
; end section
|
|
;---------------------------------------------------------------------
|
|
align 4
|
|
;---------------------------------------------------------------------
|
|
wall0 rd 1
|
|
wall1 rd 1
|
|
wall2 rd 1
|
|
wall3 rd 1
|
|
wall4 rd 1
|
|
wall5 rd 1
|
|
wall6 rd 1
|
|
wall7 rd 1
|
|
;screen_buffer rd 1
|
|
active_process rd 1
|
|
|
|
;mouse_position rd 1
|
|
mouse_position_old rd 1
|
|
;---------------------------------------------------------------------
|
|
align 4
|
|
col1:
|
|
dd ? ;-
|
|
; misc raycaster vars:
|
|
vxx:
|
|
dd ? ;-
|
|
vyy:
|
|
dd ? ;-
|
|
vl:
|
|
dd ? ;-
|
|
vstepx:
|
|
dd ? ;-
|
|
vstepy:
|
|
dd ? ;-
|
|
vxxint:
|
|
dd ? ;-
|
|
vyyint:
|
|
dd ? ;-
|
|
vk:
|
|
dd ? ;-
|
|
va:
|
|
dd ? ;-
|
|
va2:
|
|
dd ? ;-
|
|
vdd:
|
|
dd ? ;-
|
|
vx1:
|
|
dd ? ;-
|
|
vx1b:
|
|
dd ? ;-
|
|
vh:
|
|
dd ? ;-
|
|
vdt:
|
|
dd ? ;-
|
|
vheading: ; initial heading: 0 to 3599
|
|
dd ? ;-
|
|
vacompare:
|
|
dd ? ;-
|
|
vpxi:
|
|
dd ? ;-
|
|
vpyi:
|
|
dd ? ;-
|
|
wtolong:
|
|
dw ?,? ;-,?;-
|
|
|
|
xtemp:
|
|
dd ? ;-
|
|
ytemp:
|
|
dd ? ;-
|
|
xfrac:
|
|
dd ? ;-
|
|
yfrac:
|
|
dd ? ;-
|
|
h_old:
|
|
dd ? ;-
|
|
vbottom:
|
|
dd ? ;-
|
|
;mouseya:
|
|
; dd ? ;-
|
|
remeax:
|
|
dd ? ;-
|
|
remebx:
|
|
dd ? ;-
|
|
remecx:
|
|
dd ? ;-
|
|
remedx:
|
|
dd ? ;-
|
|
remedi:
|
|
dd ? ;-
|
|
remesi:
|
|
dd ? ;-
|
|
red_color:
|
|
dd ? ;-
|
|
green_color:
|
|
dd ? ;-
|
|
blue_color:
|
|
dd ? ;-
|
|
pseudo:
|
|
dd ? ;-
|
|
step1:
|
|
dd ? ;-
|
|
;step64:
|
|
; dd ? ;-
|
|
lasty:
|
|
dd ? ;-
|
|
;---------------------------------------------------------------------
|
|
;I_END:
|
|
IncludeUGlobals
|
|
align 4
|
|
sinus rd 360*10
|
|
eosinus:
|
|
; rd 16*1024*4
|
|
;---------------------------------------------------------------------
|
|
align 4
|
|
rb 4096
|
|
stacktop:
|
|
;---------------------------------------------------------------------
|
|
procinfo:
|
|
rb 1024
|
|
;---------------------------------------------------------------------
|
|
path:
|
|
rb 4096
|
|
;---------------------------------------------------------------------
|
|
file_name:
|
|
rb 4096
|
|
;---------------------------------------------------------------------
|
|
file_info:
|
|
rb 40
|
|
;---------------------------------------------------------------------
|
|
screen_buffer:
|
|
rb 640*480*3 *3/2
|
|
;---------------------------------------------------------------------
|
|
I_END:
|
|
;--------------------------------------------------------------------- |