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Code Issues Releases Wiki Activity

[Plugin] Add context.setInterval and context.setTimeout

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This commit is contained in:
Ted John
2021-01-03 15:08:35 +00:00
committed by GitHub
parent 85efe047bb
commit 6fb7921dbd
5 changed files with 196 additions and 1 deletions
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93
src/openrct2/scripting/ScriptEngine.cpp
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@@ -44,7 +44,7 @@
using namespace OpenRCT2;
using namespace OpenRCT2::Scripting;
static constexpr int32_t OPENRCT2_PLUGIN_API_VERSION = 16;
static constexpr int32_t OPENRCT2_PLUGIN_API_VERSION = 17;
struct ExpressionStringifier final
{
@@ -489,6 +489,7 @@ void ScriptEngine::StopPlugin(std::shared_ptr<Plugin> plugin)
if (plugin->HasStarted())
{
RemoveCustomGameActions(plugin);
RemoveIntervals(plugin);
RemoveSockets(plugin);
_hookEngine.UnsubscribeAll(plugin);
for (auto callback : _pluginStoppedSubscriptions)
@@ -651,6 +652,7 @@ void ScriptEngine::Update()
}
}
UpdateIntervals();
UpdateSockets();
ProcessREPL();
}
@@ -1211,6 +1213,95 @@ void ScriptEngine::SaveSharedStorage()
}
}
IntervalHandle ScriptEngine::AllocateHandle()
{
for (size_t i = 0; i < _intervals.size(); i++)
{
if (!_intervals[i].IsValid())
{
return static_cast<IntervalHandle>(i + 1);
}
}
_intervals.emplace_back();
return static_cast<IntervalHandle>(_intervals.size());
}
IntervalHandle ScriptEngine::AddInterval(const std::shared_ptr<Plugin>& plugin, int32_t delay, bool repeat, DukValue&& callback)
{
auto handle = AllocateHandle();
if (handle != 0)
{
auto& interval = _intervals[static_cast<size_t>(handle) - 1];
interval.Owner = plugin;
interval.Handle = handle;
interval.Delay = delay;
interval.LastTimestamp = _lastIntervalTimestamp;
interval.Callback = std::move(callback);
interval.Repeat = repeat;
}
return handle;
}
void ScriptEngine::RemoveInterval(const std::shared_ptr<Plugin>& plugin, IntervalHandle handle)
{
if (handle > 0 && static_cast<size_t>(handle) <= _intervals.size())
{
auto& interval = _intervals[static_cast<size_t>(handle) - 1];
// Only allow owner or REPL (nullptr) to remove intervals
if (plugin == nullptr || interval.Owner == plugin)
{
interval = {};
}
}
}
void ScriptEngine::UpdateIntervals()
{
uint32_t timestamp = platform_get_ticks();
if (timestamp < _lastIntervalTimestamp)
{
// timestamp has wrapped, subtract all intervals by the remaining amount before wrap
auto delta = static_cast<int64_t>(std::numeric_limits<uint32_t>::max() - _lastIntervalTimestamp);
for (auto& interval : _intervals)
{
if (interval.IsValid())
{
interval.LastTimestamp = -delta;
}
}
}
_lastIntervalTimestamp = timestamp;
for (auto& interval : _intervals)
{
if (interval.IsValid())
{
if (timestamp >= interval.LastTimestamp + interval.Delay)
{
ExecutePluginCall(interval.Owner, interval.Callback, {}, false);
interval.LastTimestamp = timestamp;
if (!interval.Repeat)
{
RemoveInterval(nullptr, interval.Handle);
}
}
}
}
}
void ScriptEngine::RemoveIntervals(const std::shared_ptr<Plugin>& plugin)
{
for (auto& interval : _intervals)
{
if (interval.Owner == plugin)
{
interval = {};
}
}
}
# ifndef DISABLE_NETWORK
void ScriptEngine::AddSocket(const std::shared_ptr<ScSocketBase>& socket)
{