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- Added TF_SENSITIVEZ to A_Teleport. Fail teleportation instead of adjusting the actor to fit if they cannot.

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- When checking whether to use spot z or floorz, use spot floorz instead of ref for consistency.
This commit is contained in:
MajorCooke 2015-12-17 10:34:38 -06:00
parent 60f7217fbb
commit 452c82cbe2
2 changed files with 16 additions and 4 deletions
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19
src/thingdef/thingdef_codeptr.cpp
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@ -4261,6 +4261,7 @@ enum T_Flags
TF_USEACTORFOG = 0x00000100, // Use the actor's TeleFogSourceType and TeleFogDestType fogs.
TF_NOJUMP = 0x00000200, // Don't jump after teleporting.
TF_OVERRIDE = 0x00000400, // Ignore NOTELEPORT.
TF_SENSITIVEZ = 0x00000800, // Fail if the actor wouldn't fit in the position (for Z).
};
DEFINE_ACTION_FUNCTION_PARAMS(AActor, A_Teleport)
@ -4323,6 +4324,19 @@ DEFINE_ACTION_FUNCTION_PARAMS(AActor, A_Teleport)
return;
}
// [MC] By default, the function adjusts the actor's Z if it's below the floor or above the ceiling.
// This can be an issue as actors designed to maintain specific z positions wind up teleporting
// anyway when they should not, such as a floor rising above or ceiling lowering below the position
// of the spot.
if (Flags & TF_SENSITIVEZ)
{
fixed_t posz = (Flags & TF_USESPOTZ) ? spot->z : spot->floorz;
if ((posz + ref->height > spot->ceilingz) || (posz < spot->floorz))
{
ACTION_SET_RESULT(false);
return;
}
}
fixed_t prevX = ref->x;
fixed_t prevY = ref->y;
fixed_t prevZ = ref->z;
@ -4378,10 +4392,7 @@ DEFINE_ACTION_FUNCTION_PARAMS(AActor, A_Teleport)
}
if (Flags & TF_USESPOTZ)
ref->z = spot->z;
else
ref->z = ref->floorz;
ref->z = (Flags & TF_USESPOTZ) ? spot->z : spot->floorz;
if (!(Flags & TF_KEEPANGLE))
ref->angle = spot->angle;

1
wadsrc/static/actors/constants.txt
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@ -204,6 +204,7 @@ enum
TF_USEACTORFOG = 0x00000100, // Use the actor's TeleFogSourceType and TeleFogDestType fogs.
TF_NOJUMP = 0x00000200, // Don't jump after teleporting.
TF_OVERRIDE = 0x00000400, // Ignore NOTELEPORT.
TF_SENSITIVEZ = 0x00000800, // Fail if the actor wouldn't fit in the position (for Z).
TF_KEEPORIENTATION = TF_KEEPVELOCITY|TF_KEEPANGLE,
TF_NOFOG = TF_NOSRCFOG|TF_NODESTFOG,