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macOS clang produces fatal warnings when trying to pass a const char*
parameter to luaL_error() (-Wformat-security). Temporarily suppressing that
requires #pragma clang directives which, in turn, produce fatal warnings in
VS.
Moreover, VS recognizes that luaL_error() never returns, and so diagnoses the
following return statement as unreachable code. But that return statement is
the whole reason for lluau::error()'s existence...
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Add a new test<1>() that tests returning values from a Lua chunk using
LLLUAmanager::waitScriptLine(). This exercises lua_tollsd() without yet
involving LLEventPump machinery.
For that purpose, extract from test<2>() the sequence of (description,
expression, LLSD expected) triples into a static C array. The new test<1>()
returns each such expression as a result; test<2>() posts each such expression
to a test LLEventPump.
test<2>() now uses waitScriptLine() instead of pumping the coroutine scheduler
a few times and hoping. The pump-and-hope tactic worked before, but no longer
does. waitScriptLine() is more robust anyway.
Move the former test<1>() to test<3>() because it exercises still more
machinery, specifically listen_events() and await_event(). Because this test
involves a handshake with C++ code, use startScriptLine() to launch the Lua
coroutine while providing a definite way to wait for completion later. Again,
startScriptLine() followed by get() on the returned future is more robust
than the previous pump-and-hope code.
Similarly, the former test<3>(), now renamed test<4>(), uses startScriptLine()
and Future::get() instead of pump-and-hope.
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Break out for LLLUAmanager consumers the promise/future semantics of
waitScriptFile() and waitScriptLine(). startScriptMumble() uses
runScriptMumble() to launch a coroutine to run the specified Lua script or
chunk, providing an internal adapter callback to set a promise on completion.
It then returns to its caller the future obtained from that promise. This
allows a caller to call startScriptMumble(), run in parallel with the Lua
coroutine for a while and then call get() on the returned future to wait for
results.
waitScriptMumble() is then trivially implemented using startScriptMumble().
Fix runScriptLine()'s logic to abbreviate the passed Lua chunk for use as the
description. We were erroneously assigning back through a string_view of the
parameter, which overwrote a temporary string in the argument list.
With Lua 5.4, listen_events() tried to discover the main "thread" (Lua
coroutine) associated with the current lua_State so we could call async
callbacks on that thread. Luau doesn't seem to provide that feature, so run
callbacks on whichever thread calls listen_events().
Reinstate original multi-argument lua_print_msg(), tweaked to avoid the Lua
5.4 lua_rotate() function, which is missing from Luau.
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We were calling lua_pcall() in such a way as to discard any values returned by
the Lua chunk.
Work around Luau's broken lua_tointegerx(), which unlike vanilla Lua's does
not report whether the value at the specified index is or is not an integer.
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Add LuaState::expr() that evaluates a Lua snippet and reports back any result
(or error) left on the stack.
Add LLLUAmanager::runScriptFile() and runScriptLine() overloads that accept a
callback with an (int count, LLSD result) signature. The count disambiguates
(error, no result, one result, array of results). Also add overloads that accept
an existing LuaState instance. Also add waitScriptFile() and waitScriptLine()
methods that pause the calling coroutine until the Lua script completes, and
return its results.
Instead of giving LuaState a description to use for all subsequent checkLua()
calls, remove description from its constructor and data members. Move to
expr() and checkLua() parameters: we want a description specific to each
operation, rather than for the LuaState as a whole. This prepares for
persistent LuaState instances.
For now, the existing script_finished_fn semantics remain: the callback will
be called only when the LuaState is destroyed. This may need to change as we
migrate towards longer-lasting LuaState instances.
Make lua_function(name) macro append suffixes to the name for both the
LuaFunction subclass declaration and the instance declaration. This allows
publishing a lua_function() name such as sleep(), which already has a
different C++ declaration.
Move the Lua sleep() entry point to a standalone lua_function(sleep), instead
of a lambda in the body of runScriptFile().
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The intention is to decentralize Luau entry points into our C++ code,
permitting a given entry point to be added to the .cpp file that already deals
with that class or functional area. Continuing to add every such entry point
to llluamanager.cpp doesn't scale well.
Extract LuaListener class from llluamanager.cpp to its own header and .cpp
file.
Extract from llluamanager into lua_function.h (and .cpp) declarations useful
for adding a lua_function Luau entry point, e.g.:
lua_register()
lua_rawlen()
lua_tostdstring()
lua_pushstdstring()
lua_tollsd()
lua_pushllsd()
LuaPopper
lua_function() and LuaFunction class
LuaState
lua_what
lua_stack
DebugExit
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LuaU scripting project
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This avoids the need for a separate job step.
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When a PR appears on the QA board, QA wants to know whose team it came from.
So every PR on the viewer repo should be labeled with team:viewer.
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DRTVWR-589: Fix build errors resulting from merge with main.
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LLDispatchListener::getPumpName() went away when LLEventStream became one of
its base classes. The assumption was that LLEventStream::getName() would
suffice. Re-add getPumpName(), forwarding to getName(), for backwards
compatibility.
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following promotion of DRTVWR-596
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atmospherics effect sun/moon/clouds
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following promotion of DRTVWR-587
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Merge 3p-lua use to trunk DRTVWR-589
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Fix for semi-transparent HUDs rendering opaque
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and fixed diffuse alpha
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This commit fixes a bug introduced with commit 6472b75bcd70470fe5775d1cf6eb70a75b3d76e5
where the fullbrightF.glsl shader fails to set color.a to final_alpha for HUDs.
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drawing water twice, but needs a better long term solution.
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like to read from a depth buffer that is bound for writing
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resolution to be.
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