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|
!*
* TANK MODE
*
* Drive an ASCII tank around your buffer.
* Invoke via EIQ[$SCITECOPATH]/tank.tes
*!
[tank.sprite.0] !* background *!
!* FIXME: Perhaps encode the gun's top in the integer cell *!
[tank.sprite.1]
█▓█▓
╠════○
▓█▓█
[tank.sprite.2]
█▓█▓
○════╣
▓█▓█
[tank.sprite.3]
┌┐
▓││█
█││▓
▓┴┴█
[tank.sprite.4]
█┬┬▓
▓││█
█││▓
└┘
!*
* f,tM[tank.rand] - LCG pseudo random number generator for values between f and t
* This is based on the version in the BSD libc.
*!
::U[tank.rand]
@[tank.rand]{
U.tU.f
(1103515245*Q[tank.rand]+12345) & (2^*31-1)U[tank.rand]
(Q[tank.rand]^/(Q.t-Q.f+1)+Q.f)
}
!* x,yM[tank.goto] -> success|failure *!
@[tank.goto]{
U.yU.x
Q.x"< 0 ' Q.y"< 0 '
J Q.y:L"F 0 '
Q.x<0A"< I F> ' 0A-10"= I F> ' C>
-1
}
!* x,y,spriteM[tank.blit] *!
@[tank.blit]{
U.sU.yU.x Q.xU.#x0
Q.s"N
10[tank.sprite.0] !* background *!
%[tank.blit]
'
<
%.iQ[tank.sprite.\.s]U.c Q.c:;
Q[tank.blit]&1"=
!* toggle the chain character to simulate movements *!
Q.c- █"= ▓U.c | Q.c- ▓"= █U.c ' '
'
Q.c-10"=
%.y Q.#x0U.x
Q.s"N 10:[tank.sprite.0] '
|
Q.x,Q.yM[tank.goto];
Q.s"N !* not background sprite *!
Q.c- "=
!* space is "transparent" - copy background unmodified *!
0A"< I | 0A-10"= I | C ' '
-A:[tank.sprite.0]
%.x F<
'
!* "destroy" fields we have touched *!
U.d
0A"F 0A-10"N 0A- "N 33,126M[tank.rand]U.d ' ' '
Q.d:[tank.sprite.0]
'
0A"F 0A-10"N D ' ' Q.cI
%.x
'
>
}
@[tank.explode]{
!!.[explosion]*oO%.
.[explosion]✹✸✶✧·
:Q.[explosion]<
0A"F 0A-10"N D ' '
%.i-1Q.[explosion]IR
>
}
0U[tank.score]
@[tank.shoot]{
U.#dr U.yU.x
!* FIXME: Could also be encoded into a map *!
Q.#dr-1Oright,left,up,down
!right!
6-1%.x %.y
1U.#dx 0U.#dy
Oend
!left!
%.y
-U.#dx 0U.#dy
Oend
!up!
2-1%.x
0U.#dx -U.#dy
Oend
!down!
2-1%.x 3%.y
0U.#dx 1U.#dy
!* fall through *!
!end!
<
(Q.#dx%.x),(Q.#dy%.y)M[tank.goto]"F '
0A"< ' Q.#dy"= 0A-10"= ' '
0A- "N 0A-10"N 1; ' '
0A"F 0A-10"N D ' ' I●
-DI
>
M[tank.explode]
%[tank.score] SCORE: \[tank.score]
}
@[tank.selfdestruct]{
U.yU.x Q.x+2U.#cx Q.y+2U.#cy
.[explosion]✹✹✸✸✶✶✧✧·
10<
Q.#cx-10U.x 20<
Q.x-1"< %.x F> '
Q.#cy-10U.y 20<
!* d = sqrt((x - cx)^2 + ((y - cy) * aspect)^2) *!
(Q.x-Q.#cx)^*2 + ((Q.y-Q.#cy)*2)^*2 U.#d2
Q.r^*2 - Q.#d2"<
Q.#d2 - (Q.r+2)^*2"<
!* on shock wave *!
Q.x,Q.yM[tank.goto]"F %.y F> '
-D Q.rQ.[explosion]I
'
|
!* within shock wave *!
Q.x,Q.yM[tank.goto]"F %.y F> '
-D I
'
%.y>
%.x>
1
%.r>
Q.#cx,Q.#cyM[tank.goto]
}
ESGETCOLUMNU.x :-1U.y
Q.xU.#xo Q.yU.#yo
!*
* Normalize identations to spaces -- assumed by M[goto]
* FIXME: Will not work well with character representations.
*!
ESGETTABDRAWMODE-2"N
J <S^I;
ESGETCOLUMN-(-1ESGETCOLUMN)U.w
-D Q.w<I >
>
'
CONTROL: W A S D. SHOOT: SPACE. QUIT: ESCAPE. PRESS ANY KEY TO START.
ESGETCARETSTYLEU.[caretstyle]
0ESSETCARETSTYLE
1U.[sprite]
<
Q.#xo,Q.#yo,0M[tank.blit] !* redraw background *!
Q.xU.#xo Q.yU.#yo
Q.x,Q.y,Q.[sprite]M[tank.blit]
0 U.c
:Okey.U.c
F>
!key.w!
Q.y"> -%.y ' 3U.[sprite]
F>
!key.a!
Q.x,Q.y,0M[tank.blit] !* redraw background *!
Q.x"> -%.x ' 2U.[sprite]
F>
!key.s!
Q.x,Q.y,0M[tank.blit] !* redraw background *!
%.y 4U.[sprite]
F>
!key.d!
Q.x,Q.y,0M[tank.blit] !* redraw background *!
%.x 1U.[sprite]
F>
!key. !
!* FIXME: this also scrolls due to *!
Q.x,Q.y,Q.[sprite]M[tank.shoot]
F>
!key.!
Q.x,Q.yM[tank.selfdestruct]
1;
>
Q.[caretstyle]ESSETCARETSTYLE
|
