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added nand, nor, xnor

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This commit is contained in:
Dave Schuyler 2003-09-10 04:24:26 +00:00
parent c8b423bfcc
commit 530ce8256f
1 changed files with 46 additions and 0 deletions
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46
direct/src/level/LogicGateAI.py
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@ -6,6 +6,34 @@ import DirectNotifyGlobal
import Entity import Entity
# Logic Gates:
#
# and: 0 0 = 0 or: 0 0 = 0 xor: 0 0 = 0
# 0 1 = 0 0 1 = 1 0 1 = 1
# 1 0 = 0 1 0 = 1 1 0 = 1
# 1 1 = 1 1 1 = 1 1 1 = 0
#
# nand: 0 0 = 1 nor: 0 0 = 1 xnor: 0 0 = 1
# 0 1 = 1 0 1 = 0 0 1 = 0
# 1 0 = 1 1 0 = 0 1 0 = 0
# 1 1 = 0 1 1 = 0 1 1 = 1
#
# In the following:
# 1: send a true message
# 0: send a false message
# -: don't send a message
#
# a b and or xor nand nor xnor
# (0 0) (0) (0) (0) (1) (1) (1) <--- initial state
# 1 0 - 1 1 - 0 0
# 0 0 - 0 0 - 1 1
# 1 0 - 1 1 - 0 0
# 1 1 1 - 0 0 - 1
# 0 1 0 - 1 1 - 0
# 1 1 1 - 0 0 - 1
# 0 1 0 - 1 1 - 0
# 0 0 - 0 0 - 1 1
def andTest(self, a, b): def andTest(self, a, b):
assert(self.debugPrint("andTest(a=%s, b=%s)"%(a, b))) assert(self.debugPrint("andTest(a=%s, b=%s)"%(a, b)))
if b: if b:
@ -21,6 +49,21 @@ def xorTest(self, a, b):
assert(self.debugPrint("xorTest(a=%s, b=%s)"%(a, b))) assert(self.debugPrint("xorTest(a=%s, b=%s)"%(a, b)))
messenger.send(self.getName(), [(not (a and b)) and (a or b)]) messenger.send(self.getName(), [(not (a and b)) and (a or b)])
def nandTest(self, a, b):
assert(self.debugPrint("nandTest(a=%s, b=%s)"%(a, b)))
if b:
messenger.send(self.getName(), [not (a and b)])
def norTest(self, a, b):
assert(self.debugPrint("norTest(a=%s, b=%s)"%(a, b)))
if not b:
messenger.send(self.getName(), [not (a or b)])
# else: ...we already sent the messege when b was set.
def xnorTest(self, a, b):
assert(self.debugPrint("xnorTest(a=%s, b=%s)"%(a, b)))
messenger.send(self.getName(), [(a and b) or (not (a or b))])
class LogicGateAI(Entity.Entity, PandaObject.PandaObject): class LogicGateAI(Entity.Entity, PandaObject.PandaObject):
if __debug__: if __debug__:
@ -30,6 +73,9 @@ class LogicGateAI(Entity.Entity, PandaObject.PandaObject):
"and": andTest, "and": andTest,
"or": orTest, "or": orTest,
"xor": xorTest, "xor": xorTest,
"nand": nandTest,
"nor": norTest,
"xnor": xnorTest,
} }
def __init__(self, air, levelDoId, entId, zoneId=None): def __init__(self, air, levelDoId, entId, zoneId=None):