breakableglass.wad 
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Effect demonstrated: - Breaking Glass/ Transparent lines
This looks quite complicated but it's really not that bad ;)
We need do do the following:
- Make a creature/thing which shoots shards of glass as it's attack and make the flying shards of glass attack
- A line which will trigger an RTS script when it get's shot
- The RTS script which will spawn the creature defined in 1.
(1) Here's the code for this thing and its attack
<THINGS>
#VERSION 1.28
[DEBRIS_GENERATOR]
REACTION_TIME=8T;
RADIUS=8;
HEIGHT=32;
FLOAT_SPEED=1;
TRANSLUCENCY=0%;
SPECIAL=NOBLOCKMAP,NOGRAVITY,FLOATER;
STATES(SPAWN)=NULL:A:0:NORMAL:PLAYSOUND(BAREXP),
NULL:A:0:NORMAL:SPARE_ATTACK(SHARD_SHOOTER),
NULL:A:0:NORMAL:SPARE_ATTACK(SHARD_SHOOTER),
NULL:A:0:NORMAL:SPARE_ATTACK(SHARD_SHOOTER),
NULL:A:0:NORMAL:SPARE_ATTACK(SHARD_SHOOTER),
NULL:A:0:NORMAL:SPARE_ATTACK(SHARD_SHOOTER),
NULL:A:0:NORMAL:SPARE_ATTACK(SHARD_SHOOTER),
NULL:A:0:NORMAL:SPARE_ATTACK(SHARD_SHOOTER),
NULL:A:0:NORMAL:SPARE_ATTACK(SHARD_SHOOTER),
NULL:A:0:NORMAL:SPARE_ATTACK(SHARD_SHOOTER),
NULL:A:0:NORMAL:SPARE_ATTACK(SHARD_SHOOTER),
NULL:A:0:NORMAL:SPARE_ATTACK(SHARD_SHOOTER),
#REMOVE;
And here's the Attack:
<ATTACKS>
#VERSION 1.28
[SHARD_SHOOTER]
ATTACKTYPE=PROJECTILE;
HEIGHT=8;
RADIUS=6;
PROJECTILE_SPECIAL=NOBLOCKMAP,SLIDER,CROSSLINES,DROPOFF,BARE_MISSILE,CORPSE;
ACCURACY_ANGLE=359; //makes the shots go all around
ACCURACY_SLOPE=65;
ATTACK_HEIGHT=32;
SPEED=10;
BOUNCE_SPEED=0.6;
SLOPE_OFFSET=22;
ANGLE_OFFSET=45;
Y_OFFSET=4;
STATES(SPAWN)=GLS1:A:3:NORMAL:NOTHING,
GLS2:A:3:NORMAL:NOTHING,
GLS3:A:3:NORMAL:NOTHING,
GLS4:A:3:NORMAL:NOTHING,
GLS5:A:3:NORMAL:NOTHING,
GLS6:A:3:NORMAL:NOTHING,
GLS7:A:3:NORMAL:NOTHING,
GLS8:A:3:NORMAL:NOTHING,
GLS9:A:3:NORMAL:NOTHING;
STATES(DEATH)=GLS1:A:3:NORMAL:NOTHING,
GLS2:A:3:NORMAL:NOTHING,
GLS3:A:3:NORMAL:NOTHING,
GLS4:A:3:NORMAL:NOTHING,
GLS5:A:3:NORMAL:NOTHING,
GLS6:A:6:NORMAL:NOTHING,
GLS7:A:6:NORMAL:NOTHING,
GLS8:A:6:NORMAL:NOTHING,
GLS9:A:35:NORMAL:TRANSFADE(0%),
#REMOVE;
NOTE: the sprites GLS1 to GLS9 are "borrowed" from Duke Nukem.
(2) Place a line in the map and give this line a type of 500, which corresponds to a custom DDF line which will trigger an RTS script when it gets shot. Also give the line a tag number(for example 105)
This is the code for the custom line (it's just a tiny tweak of one of Edges prefabs):
[500] // EDGE Enable Tagged RTS SHOOT1
TRANSLUCENCY=50%;
TYPE=SHOOT;
ACTIVATORS=PLAYER;
COUNT=1;
RADIUS_TRIGGER=ENABLE_TAGGED;
Now when we shoot this line the RTS script which is TAGged 105 will be triggered.
(3) Here's the code for the RTS script which will be triggered by our line:
//***********
//Glass pane
//***********
radiustrigger 0 0 -1
SLEEP
TAG 105 //corresponds to a line in the map
unblock_lines 105 //allow things to cross the line
spawnthing DEBRIS_GENERATOR 284 33 0 //Spawn our broken glass shards
change_tex left_middle GLASSP1 105 //Front of line
change_tex right_middle GLASSP1 105 //Back of line
wait 2T
change_tex left_middle GLASSP2 105
change_tex right_middle GLASSP2 105
wait 2T
change_tex left_middle GLASSP3 105
change_tex right_middle GLASSP3 105
wait 2T
change_tex left_middle GLASSP4 105
change_tex right_middle GLASSP4 105
wait 2T
change_tex left_middle GLASSP5 105
change_tex right_middle GLASSP5 105
TAGGED_REPEATABLE 0
end_radiustrigger
NOTE: the textures GLASSP2 to GLASSP5 are "borrowed" from Blood.
