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time_zone_manager: Implement go_ahead/go_back

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This commit is contained in:
lat9nq 2023-05-26 04:40:04 -04:00
parent 5d9dd88387
commit 8d52dc163a
1 changed files with 39 additions and 1 deletions
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40
src/core/hle/service/time/time_zone_manager.cpp
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@ -2,6 +2,7 @@
// SPDX-License-Identifier: GPL-2.0-or-later
#include <climits>
#include <limits>
#include "common/assert.h"
#include "common/logging/log.h"
@ -9,6 +10,7 @@
#include "core/file_sys/nca_metadata.h"
#include "core/file_sys/registered_cache.h"
#include "core/hle/service/time/time_zone_manager.h"
#include "core/hle/service/time/time_zone_types.h"
namespace Service::Time::TimeZone {
@ -629,11 +631,47 @@ static bool ParseTimeZoneBinary(TimeZoneRule& time_zone_rule, FileSys::VirtualFi
UNIMPLEMENTED();
}
}
const auto typesequiv = [](TimeZoneRule& rule, int a, int b) -> bool {
if (a < 0 || a >= rule.type_count || b < 0 || b >= rule.type_count) {
return {};
}
const struct TimeTypeInfo* ap = &rule.ttis[a];
const struct TimeTypeInfo* bp = &rule.ttis[b];
return (ap->gmt_offset == bp->gmt_offset && ap->is_dst == bp->is_dst &&
(std::strcmp(&rule.chars[ap->abbreviation_list_index],
&rule.chars[bp->abbreviation_list_index]) == 0));
};
if (time_zone_rule.type_count == 0) {
return {};
}
if (time_zone_rule.time_count > 1) {
UNIMPLEMENTED();
if (time_zone_rule.ats[0] <= std::numeric_limits<s64>::max() - seconds_per_repeat) {
s64 repeatat = time_zone_rule.ats[0] + seconds_per_repeat;
int repeatattype = time_zone_rule.types[0];
for (int i = 1; i < time_zone_rule.time_count; ++i) {
if (time_zone_rule.ats[i] == repeatat &&
typesequiv(time_zone_rule, time_zone_rule.types[i], repeatattype)) {
time_zone_rule.go_back = true;
break;
}
}
}
if (std::numeric_limits<s64>::min() + seconds_per_repeat <=
time_zone_rule.ats[time_zone_rule.time_count - 1]) {
s64 repeatat = time_zone_rule.ats[time_zone_rule.time_count - 1] - seconds_per_repeat;
int repeatattype = time_zone_rule.types[time_zone_rule.time_count - 1];
for (int i = time_zone_rule.time_count; i >= 0; --i) {
if (time_zone_rule.ats[i] == repeatat &&
typesequiv(time_zone_rule, time_zone_rule.types[i], repeatattype)) {
time_zone_rule.go_ahead = true;
break;
}
}
}
}
s32 default_type{};