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snake-game: some more cleanup.

factor-shell
John Benediktsson 2018-01-19 14:34:52 -08:00
parent 7f6b3261d5
commit 452fc6940a
3 changed files with 69 additions and 70 deletions
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9
extra/snake-game/snake-game.factor
View File

@ -1,6 +1,7 @@
! Copyright (C) 2015 Sankaranarayanan Viswanathan
! See http://factorcode.org/license.txt for BSD license.
USING: accessors sets snake-game.ui ui ui.gadgets.status-bar ui.gadgets.worlds ;
USING: accessors sets snake-game.ui ui ui.gadgets.status-bar
ui.gadgets.worlds ;
IN: snake-game
: <snake-world-attributes> ( -- world-attributes )
@ -10,6 +11,10 @@ IN: snake-game
] change-window-controls ;
: play-snake-game ( -- )
[ <snake-gadget> <snake-world-attributes> open-status-window ] with-ui ;
[
<snake-gadget>
<snake-world-attributes>
open-status-window
] with-ui ;
MAIN: play-snake-game

9
extra/snake-game/sprites/sprites.factor
View File

@ -62,3 +62,12 @@ IN: snake-game.sprites
: background-texture ( -- assoc )
"background" "background.png" load-snake-texture 2array 1array ;
: snake-textures ( -- assoc )
[
snake-head-textures %%
snake-body-textures %%
snake-tail-textures %%
food-texture %%
background-texture %%
] H{ } make ;

121
extra/snake-game/ui/ui.factor
View File

@ -1,10 +1,10 @@
! Copyright (C) 2015 Sankaranarayanan Viswanathan.
! See http://factorcode.org/license.txt for BSD license.
USING: accessors arrays assocs calendar combinators destructors
formatting kernel make math math.vectors namespaces opengl
opengl.textures sequences sets snake-game.game
snake-game.sprites timers ui ui.gadgets ui.gadgets.worlds
ui.gestures ui.render ;
USING: accessors assocs calendar combinators
combinators.short-circuit destructors formatting fry kernel math
math.vectors namespaces opengl opengl.textures sequences sets
snake-game.game snake-game.sprites timers ui ui.gadgets
ui.gadgets.worlds ui.gestures ui.render ;
IN: snake-game.ui
@ -41,8 +41,7 @@ CONSTANT: snake-game-cell-size 20
: draw-snake-head ( loc facing-dir -- )
dup name>> rest "head-" prepend [
[ game-loc>screen-loc ] dip
{
[ game-loc>screen-loc ] dip {
{ :right [ { -20 -10 } ] }
{ :down [ { -10 -20 } ] }
{ :up [ { -10 0 } ] }
@ -74,7 +73,7 @@ CONSTANT: snake-game-cell-size 20
! make sure to draw the head again
first draw-snake-part ;
: generate-status-message ( snake-game -- str )
: game-status ( snake-game -- str )
[ score>> ]
[
{
@ -85,7 +84,7 @@ CONSTANT: snake-game-cell-size 20
] bi "Score: %d -- %s" sprintf ;
: update-status ( gadget -- )
[ snake-game>> generate-status-message ] keep show-status ;
[ snake-game>> game-status ] keep show-status ;
: do-updates ( gadget -- )
[ snake-game>> do-game-step ]
@ -96,7 +95,36 @@ CONSTANT: snake-game-cell-size 20
: toggle-game-pause ( snake-gadget -- )
snake-game>> [ not ] change-paused? drop ;
: key-action ( key -- action )
: load-game-textures ( snake-gadget -- textures )
dup textures>> [ ] [ snake-textures >>textures textures>> ] ?if ;
M: snake-gadget graft*
[ '[ _ do-updates ] 200 milliseconds every ] keep timer<< ;
M: snake-gadget ungraft*
[ stop-timer f ] change-timer
[ values dispose-each f ] change-textures
drop ;
M: snake-gadget pref-dim*
drop snake-game-dim [ snake-game-cell-size * 20 + ] map ;
M: snake-gadget draw-gadget*
[ load-game-textures game-textures ] keep '[
draw-background
{ 10 10 } [
_ snake-game>>
[ food-loc>> [ draw-food ] when* ]
[
[ snake-loc>> ]
[ snake-dir>> opposite-dir ]
[ snake>> ]
tri draw-snake
] bi
] with-translation
] with-variable ;
: key-dir ( key -- dir )
H{
{ "RIGHT" :right }
{ "LEFT" :left }
@ -113,62 +141,19 @@ CONSTANT: snake-game-cell-size 20
: new-game-key? ( key -- ? )
HS{ "ENTER" "RET" "n" "N" } in? ;
: ?handle-movement-key ( snake-game key -- )
key-action
[
2dup [ snake-dir>> opposite-dir ] dip =
[ 2drop ] [ >>next-turn-dir drop ] if
] [ drop ] if* ;
: handle-key ( snake-gadget key -- )
{
{ [ dup quit-key? ] [ drop close-window ] }
{ [ dup pause-key? ] [ drop toggle-game-pause ] }
{ [ dup new-game-key? ] [ drop start-new-game ] }
[
[ snake-game>> ] dip over
game-in-progress? [ ?handle-movement-key ] [ 2drop ] if
]
} cond ;
: load-game-textures ( snake-gadget -- textures )
dup textures>> [ ] [
[
snake-head-textures %%
snake-body-textures %%
snake-tail-textures %%
food-texture %%
background-texture %%
] H{ } make >>textures
textures>>
] ?if ;
M: snake-gadget graft*
[ [ do-updates ] curry 200 milliseconds every ] keep timer<< ;
M: snake-gadget ungraft*
[ stop-timer f ] change-timer
[ values dispose-each f ] change-textures
drop ;
M: snake-gadget pref-dim*
drop snake-game-dim [ snake-game-cell-size * 20 + ] map ;
M: snake-gadget draw-gadget*
[ load-game-textures game-textures ] keep [
draw-background
{ 10 10 } [
snake-game>>
[ food-loc>> [ draw-food ] when* ]
[
[ snake-loc>> ]
[ snake-dir>> opposite-dir ]
[ snake>> ]
tri draw-snake
] bi
] with-translation
] curry with-variable ;
M: snake-gadget handle-gesture
swap dup key-down?
[ sym>> handle-key ] [ 2drop ] if f ;
swap dup key-down? [
sym>> {
{ [ dup quit-key? ] [ drop close-window ] }
{ [ dup pause-key? ] [ drop toggle-game-pause ] }
{ [ dup new-game-key? ] [ drop start-new-game ] }
[
key-dir [
swap snake-game>> dup {
[ game-in-progress? ]
[ snake-dir>> opposite-dir pick = not ]
} 1&& [ next-turn-dir<< ] [ 2drop ] if
] [ drop ] if*
]
} cond
] [ 2drop ] if f ;