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Break travel array into three struct fields.

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This commit is contained in:
Eric S. Raymond 2017-06-28 08:53:24 -04:00
parent aace0b1359
commit db68e0097e
1 changed files with 14 additions and 11 deletions
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25
newdungeon.py
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@ -8,7 +8,7 @@
# movement rules to the travel array that's actually used by
# playermove(). This program first compiles the YAML to a form
# identical to the data in section 3 of the old adventure.text file,
# then a second stage packs that data into the travel array.
# then a second stage unpacks that data into the travel array.
#
# Here are the rules of the intermediate form:
#
@ -139,6 +139,7 @@ typedef struct {{
typedef struct {{
const long opcode;
const long dest;
const bool stop;
}} travelop_t;
@ -147,13 +148,13 @@ typedef struct {{
* inherited from FORTRAN, someday. To understand these, read the
* encoding description for travel.
*/
#define T_DESTINATION(entry) MOD((entry).opcode / 1000, 1000)
#define T_NODWARVES(entry) ((entry).opcode / 1000000 == 100)
#define T_DESTINATION(entry) MOD((entry).dest, 1000)
#define T_NODWARVES(entry) ((entry).dest / 1000 == 100)
#define T_MOTION(entry) MOD((entry).opcode, 1000)
#define T_TERMINATE(entry) (T_MOTION(entry) == 1)
#define T_STOP(entry) ((entry).stop)
#define T_HIGH(entry) ((entry).opcode / 1000)
#define T_LOW(entry) ((entry).opcode % 1000)
#define T_HIGH(entry) ((entry).dest)
#define T_LOW(entry) ((entry).opcode)
#define L_SPEAK(loc) ((loc) - 500)
extern const location_t locations[];
@ -622,8 +623,9 @@ def buildtravel(locs, objs, voc):
# TRAVEL[TRVS - 1] = -TRAVEL[TRVS - 1];
# }
#
# We're going to break the magic numbers up into a struct.
travel = [[0, False]]
# In order to de-crypticize the runtime code, we're going to break these
# magic numbers up into a struct.
travel = [[0, 0, False]]
tkey = [0]
oldloc = 0
while ltravel:
@ -634,21 +636,22 @@ def buildtravel(locs, objs, voc):
tkey.append(len(travel))
oldloc = loc
elif travel:
travel[-1][1] = not travel[-1][1]
travel[-1][2] = not travel[-1][2]
while rule:
travel.append([rule.pop(0) + newloc * 1000, False])
travel[-1][1] = True
travel.append([rule.pop(0), newloc, False])
travel[-1][2] = True
return (travel, tkey)
def get_travel(travel):
template = """ {{
.opcode = {},
.dest = {},
.stop = {},
}},
"""
out = ""
for entry in travel:
out += template.format(entry[0], entry[1]).lower()
out += template.format(entry[0], entry[1], entry[2]).lower()
out = out[:-1] # trim trailing newline
return out