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/*
* 2countrev.wl - part of WadC
* Copyright © 2016 Jonathan Dowland <jon@dow.land>
*
* Distributed under the terms of the GNU GPL Version 2
* See file LICENSE.txt
*
* 2 bit binary counter which activates trap doors when
* it overflows
* see also counter.wl
*/
#"control.h"
#"basic.h"
#"boom.h"
#"monsters.h"
main {
-- control lines for scrolling
linetype(253, $scroll_north_ish) step(256,-64)
linetype(253, $scroll_east_ish) step(64,256)
linetype(253, $scroll_south_ish) step(-256,64)
linetype(253, $scroll_west_ish) step(-64,-256)
leftsector(0,0,0)
linetype(0,0)
countertextures
move(512)
!main
counters(2)
^main
movestep(256,-64) rotleft
revdoor
movestep(0,-64)
revroom
^main
movestep(448,64)
revdoor
movestep(0,-64)
revroom
^digits
movestep(64,64)
revdoor
movestep(0,-64)
revroom
}
revdoor {
top("BIGDOOR1")
box(0,80,160,16,128)
move(16)
sectortype(0,$revdoor)
top("BIGDOOR1")
box(0,0,160,16,128)
top("BRICK7")
sectortype(0,0)
move(16)
box(0,80,160,16,128)
move(16)
}
revroom {
box(0,80,160,256,256)
movestep(224,224)
turnaround
revenant
for(0,3,
for(0,2, thing move(64))
movestep(-192,64)
)
}
/*
* some custom textures for the counter display
* (etc)
*/
countertextures {
-- custom texture for binary display
texture("RIPPLE", 64, 128)
addpatch("COMP03_1", 0, 0)
addpatch("COMP03_2", 0, 64)
addpatch("WINUM0", 0, 116)
addpatch("WINUM1", 32, 116)
-- redefine switch textures
texture("SW1STRTN", 64, 128)
addpatch("RW24_2", 0, 0)
addpatch("SW1S0", 16, 72)
texture("SW2STRTN", 64, 128)
addpatch("RW24_2", 0, 0)
addpatch("SW1S1", 16, 72)
}
counters(x) {
-- ripple counters themselves
-- from most signifiant bit to least
set("carry", $revdoor)
fori(1, x,
set("current", newtag)
set(cat("show",i), counter(get("current"), get("carry")))
set("carry", get("current"))
movestep(0,256)
)
-- viewing space
^main
movestep(192,-64)
unpegged
sectortype(0, 0)
counterswitch
straight(128)
counterswitch
rotright
counterswitch
straight(sub(mul(x,256),64))
!digits
counterswitch
rotright
counterswitch
straight(128)
counterswitch
rotright
counterswitch
straight(sub(mul(x,256),64))
counterswitch
rightsector(0,128,160)
^digits
move(-64) rotleft
fori(1, x,
digit(get(cat("show",i))) movestep(0,-64)
)
placeitem(-64, 0, turnaround player1start)
}
counterswitch {
linetype(gendoor(trigger_s1,
speed_turbo,
door_open_delay_close,
0,
door_delay_1s), get("current"))
mid("SW1STRTN")
straight(64)
mid("BRICK7")
linetype(0,0)
}
/*
* a big 1/0 digit display
*/
digit(tag) {
!digit
top("RIPPLE") bot("RIPPLE")
straight(2) xoff(32) yoff(96) right(32) xoff(0) yoff(0) right(2) right(32) rotright rightsector(48,80,144)
move(2)
sectortype(0,tag)
straight(2) yoff(96) right(32) yoff(0) right(2) right(32) rotright rightsector(48,80,144)
sectortype(0,0)
move(2)
box(80,80,144,2,32)
^digit
}
/*
* counter - a binary ripple register
* tag - the sector tag value for activating/incrementing this register
* carry - the sector tag value of the next counter register to carry into
* returns: a tag value to use for displaying the register value
*/
counter(tag, carry) {
-- XXX: these directions are a bit misleading because of the WadC/Doom
-- disagreement on the X axis direction
set("counter", newtag)
sectortype(0, $scroll_east_ish) trapezium(get("counter"),83) guard(tag,carry) movestep(0,192) rotleft
sectortype(0, $scroll_north_ish) trapezium(0,0) movestep(0,192) rotleft
sectortype(0, $scroll_west_ish) trapezium(get("counter"),84) guard(tag,0) movestep(0,192) rotleft
sectortype(0, $scroll_south_ish) trapezium(0,0) movestep(0,192) rotleft
placeitem(96,32,rotright player1start)
get("counter")
}
/*
* recv is the receiver of the value (counter display)
*/
trapezium(recv,type) {
step(80,80)
step(0,32)
{ eq(recv,0) ? 0 : linetype(type, recv) } step(-80,80) linetype(0,0)
impassable step(0,-192) impassable
rightsector(16,80,120)
}
/*
* door used to gate the counters
*/
guard(tag,carry) {
!guard
movestep(72,100)
left(8)
{ eq(0,carry) ? 0 : linetype(gendoor(
trigger_wr,
speed_turbo,
door_open_delay_close,
0,
door_delay_1s), carry) } left(64) linetype(0,0)
left(8)
left(64)
sectortype(0,tag) innerleftsector(16,16,0) sectortype(0,0)
^guard
}
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