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afkit.f
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afkit.f
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include afkit/ans/version.f
#1 #5 #9 [version] [afkit]
\ Load external libraries
[undefined] EXTERNALS_LOADED [if] \ ensure that external libs are only ever loaded once.
s" \kitconfig.f" file-exists [if]
include \kitconfig.f
[else]
s" kitconfig.f" file-exists [if]
include kitconfig.f
[else]
s" Missing kitconfig.f!!! " type QUIT
[then]
[then]
include afkit/platforms.f
true constant EXTERNALS_LOADED
[undefined] LIGHTWEIGHT [if]
cd afkit/ans/ffl
ffling +order
include ffl/dom.fs
include ffl/b64.fs
ffling -order
cd ../../..
[then]
: empty only forth definitions s" (empty) marker (empty)" evaluate ;
marker (empty)
[then]
\ Load support libraries
include afkit/plat/win/fpext.f \ depends on FPMATH
include afkit/ans/strops.f \ ANS
include afkit/ans/files.f \ ANS
include afkit/ans/roger.f \ ANS
[defined] allegro-audio [if] include afkit/audio-allegro.f [then]
\ --------------------------------------------------------------------------------------------------
0 value al-default-font
0 value fps
0 value allegro?
0 value eventq
0 value display
create uesrc 32 cells /allot
variable fs \ enables fullscreen when on
[defined] initial-scale [if] initial-scale [else] 1 [then] value #globalscale
[undefined] initial-res [if] : initial-res 640 480 ; [then]
[undefined] initial-pos [if] : initial-pos 0 0 ; [then]
create res initial-res swap , ,
defer >ide
_AL_MAX_JOYSTICK_STICKS constant MAX_STICKS
create joysticks MAX_STICKS /ALLEGRO_JOYSTICK_STATE * /allot
16 cells constant /transform
/ALLEGRO_KEYBOARD_STATE 17 * constant /kstates
create kbstate /kstates /allot \ current frame's state (* 17 inputs)
create kblast /kstates /allot \ last frame's state
create penx 0 , here 0 , constant peny
0 value oldblender
0 value currentblender
0 constant FLIP_NONE
1 constant FLIP_H
2 constant FLIP_V
3 constant FLIP_HV
\ --------------------------------------------------------------------------------------------------
\ Initializing Allegro and creating the display window
: init-allegro-all
al_init
not if s" Couldn't initialize Allegro." alert -1 abort then
al_init_image_addon
not if s" Allegro: Couldn't initialize image addon." alert -1 abort then
al_init_primitives_addon
not if s" Allegro: Couldn't initialize primitives addon." alert -1 abort then
al_init_font_addon
not if s" Allegro: Couldn't initialize font addon." alert -1 abort then
al_init_ttf_addon
not if s" Allegro: Couldn't initialize TTF addon." alert -1 abort then
al_install_mouse
not if s" Allegro: Couldn't initialize mouse." alert -1 abort then
al_install_keyboard
not if s" Allegro: Couldn't initialize keyboard." alert -1 abort then
al_install_joystick
not if s" Allegro: Couldn't initialize joystick." alert -1 abort then
;
create native /ALLEGRO_MONITOR_INFO /allot
: nativewh ( - w h ) native 2 cells + 2@ native 2@ 2- ;
: nativew ( - n ) nativewh drop ;
: nativeh ( - n ) nativewh nip ;
\ ------------------------------------ initializing the display ------------------------------------
: windowed
fs off
ALLEGRO_WINDOWED
ALLEGRO_RESIZABLE or
ALLEGRO_OPENGL or
al_set_new_display_flags ;
windowed
: fullscreen
fs on
ALLEGRO_FULLSCREEN_WINDOW
ALLEGRO_OPENGL or
al_set_new_display_flags ;
: assertAllegro ( - )
allegro? ?exit true to allegro? init-allegro-all
0 native al_get_monitor_info 0= abort" Couldn't get monitor info; try replugging the monitor or restarting"
[defined] allegro-audio [if] initaudio [then]
;
: xy@ ( adr - x y ) dup @ swap cell+ @ ;
: x@ ( adr - x ) xy@ drop ;
: y@ ( adr - y ) xy@ nip ;
: displayw ( - n ) display al_get_display_width ;
: displayh ( - n ) display al_get_display_height ;
: displaywh ( - w h ) displayw displayh ;
: init-display ( w h - )
locals| h w |
assertAllegro
ALLEGRO_DEPTH_SIZE #24 ALLEGRO_SUGGEST al_set_new_display_option
ALLEGRO_VSYNC 1 ALLEGRO_SUGGEST al_set_new_display_option
[defined] dev [if]
fs @ if 0 0 else initial-pos 40 + then al_set_new_window_position
w h al_create_display to display
fs @ 0= if display initial-pos al_set_window_position then
[else]
\ centered:
fs @ if 0 0 al_set_new_window_position else
nativew 2 / w 2 / - nativeh 2 / h 2 / - 40 - al_set_new_window_position
then
w h al_create_display to display
[then]
display al_get_display_refresh_rate dup 0= if drop 60 then to fps
al_create_builtin_font to al-default-font
al_create_event_queue to eventq
eventq display al_get_display_event_source al_register_event_source
eventq al_get_mouse_event_source al_register_event_source
eventq al_get_keyboard_event_source al_register_event_source
uesrc al_init_user_event_source
eventq uesrc al_register_event_source
ALLEGRO_DEPTH_TEST 0 al_set_render_state
;
: valid? ( adr - flag ) ['] @ catch nip 0 = ;
: scaled-res ( - w h ) res x@ #globalscale * res y@ #globalscale * ;
: +display ( - ) display valid? ?exit scaled-res init-display ;
: -display ( - ) display valid? -exit
display al_destroy_display 0 to display
eventq al_destroy_event_queue 0 to eventq ;
: -allegro ( - ) -display false to allegro? al_uninstall_system ;
: resolution ( w h - ) res 2! fs @ 0= if -display +display then ;
\ ----------------------------------- words for switching windows ----------------------------------
[defined] linux [if]
variable _hwnd
variable _disp
0 XOpenDisplay _disp !
_disp @ _hwnd here XGetInputFocus
: HWND ( - handle ) _hwnd @ ;
: btf ( window - )
0 XOpenDisplay _disp !
_disp @ over 0 0 XSetInputFocus
_disp @ swap XRaiseWindow
_disp @ 0 XSync ;
: >display ( - )
display al_get_x_window_id focus ;
[else]
: btf ( winapi-window - )
dup 1 ShowWindow drop dup BringWindowToTop drop SetForegroundWindow drop ;
: >display ( - )
display al_get_win_window_handle btf ;
[then]
:make >ide HWND btf ;
>ide
\ ----------------------------------------------- keyboard -----------------------------------------
: pollKB ( - )
kbstate kblast /ALLEGRO_KEYBOARD_STATE move
kbstate al_get_keyboard_state ;
: clearkb ( - )
kblast /kstates erase
kbstate /kstates erase ;
: resetkb ( - )
clearkb
al_uninstall_keyboard
al_install_keyboard not abort" Error re-establishing the keyboard :/"
eventq al_get_keyboard_event_source al_register_event_source ;
\ ----------------------------------------- end keyboard -------------------------------------------
\ ----------------------------------------- joysticks ----------------------------------------------
\ NTS: we don't handle connecting/disconnecting devices yet,
\ though Allegro 5 /does/ support it. (via an event)
: joystick[] ( n - adr ) /ALLEGRO_JOYSTICK_STATE * joysticks + ;
: >joyhandle ( n - ALLEGRO_JOYSTICK_STATE ) al_get_joystick ;
: stick ( joy# stick# - f: x y ) \ get stick position
/ALLEGRO_JOYSTICK_STATE_STICK * swap joystick[]
ALLEGRO_JOYSTICK_STATE.sticks + dup sf@ cell+ sf@ ;
: btn ( joy# button# - n# ) \ get button state
cells swap joystick[] ALLEGRO_JOYSTICK_STATE.buttons + @ ;
: #joys ( - n ) al_get_num_joysticks ;
: pollJoys ( - ) #joys for i >joyhandle i joystick[] al_get_joystick_state loop ;
\ ----------------------------------------- end joysticks ------------------------------------------
\ --------------------------------------------------------------------------------------------------
\ Graphics essentials; no-fixed-point version
: transform: create here /transform allot al_identity_transform ;
transform: (identity)
: 0transform (identity) swap /transform move ;
\ integer stuff
: bmpw ( bmp - n ) al_get_bitmap_width ;
: bmph ( bmp - n ) al_get_bitmap_height ;
: bmpwh ( bmp - w h ) dup bmpw swap bmph ;
: hold> ( - <code> ) 1 al_hold_bitmap_drawing r> call 0 al_hold_bitmap_drawing ;
: loadbmp ( adr c - bmp ) zstring al_load_bitmap ;
: savebmp ( bmp adr c - ) zstring swap al_save_bitmap 0= abort" Allegro: Error saving bitmap." ;
: -bmp ?dup -exit al_destroy_bitmap ;
create write-src ALLEGRO_ADD , ALLEGRO_ONE , ALLEGRO_ZERO , ALLEGRO_ADD , ALLEGRO_ONE , ALLEGRO_ZERO ,
create add-src ALLEGRO_ADD , ALLEGRO_ALPHA , ALLEGRO_ONE , ALLEGRO_ADD , ALLEGRO_ONE , ALLEGRO_ONE ,
create interp-src ALLEGRO_ADD , ALLEGRO_ALPHA , ALLEGRO_INVERSE_ALPHA , ALLEGRO_ADD , ALLEGRO_ONE , ALLEGRO_ONE ,
: blend ( blender - )
dup to currentblender
@+ swap @+ swap @+ swap @+ swap @+ swap @ al_set_separate_blender ;
: blend> ( blender - )
currentblender to oldblender blend r> call oldblender blend ;
interp-src blend
\ Pen
: at ( x y - ) penx 2! ;
: +at ( x y - ) penx 2+! ;
: at@ ( - x y ) penx 2@ ;
\ State
define internal
create states /ALLEGRO_STATE 16 * allot
variable >state
: (state) >state @ 15 and /ALLEGRO_STATE * states + ;
using internal
: +state ( - ) (state) ALLEGRO_STATE_TARGET_BITMAP
ALLEGRO_STATE_DISPLAY or
ALLEGRO_STATE_BLENDER or
ALLEGRO_STATE_NEW_FILE_INTERFACE or
ALLEGRO_STATE_TRANSFORM or
ALLEGRO_STATE_PROJECTION_TRANSFORM or al_store_state
1 >state +!
;
: -state ( - ) -1 >state +! (state) al_restore_state ;
previous
windowed +display
\ --------------------------------------------------------------------------------------------------
include afkit/piston.f
\ --------------------------------------------------------------------------------------------------
>ide