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[HTML5] Port JavaScript inline code to libraries.

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The API is implemented in javascript, and generates C functions that can
be called from godot.
This allows much cleaner code replacing all `EM_ASM` calls in our C++
code with plain C function calls.
This also gets rid of few hacks and comes with few optimizations (e.g.
custom cursor shapes should be much faster now).
This commit is contained in:
Fabio Alessandrelli 2020-10-17 23:31:30 +02:00
parent a7ecb3c048
commit e52ed6d89e
31 changed files with 2016 additions and 1502 deletions
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7
platform/javascript/detect.py
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@ -1,6 +1,6 @@
import os
from emscripten_helpers import run_closure_compiler, create_engine_file
from emscripten_helpers import run_closure_compiler, create_engine_file, add_js_libraries
from SCons.Util import WhereIs
@ -96,6 +96,9 @@ def configure(env):
jscc = env.Builder(generator=run_closure_compiler, suffix=".cc.js", src_suffix=".js")
env.Append(BUILDERS={"BuildJS": jscc})
# Add helper method for adding libraries.
env.AddMethod(add_js_libraries, "AddJSLibraries")
# Add method that joins/compiles our Engine files.
env.AddMethod(create_engine_file, "CreateEngineFile")
@ -166,6 +169,6 @@ def configure(env):
env.Append(LINKFLAGS=["-s", "OFFSCREEN_FRAMEBUFFER=1"])
# callMain for manual start, FS for preloading, PATH and ERRNO_CODES for BrowserFS.
env.Append(LINKFLAGS=["-s", "EXTRA_EXPORTED_RUNTIME_METHODS=['callMain', 'FS']"])
env.Append(LINKFLAGS=["-s", "EXTRA_EXPORTED_RUNTIME_METHODS=['callMain']"])
# Add code that allow exiting runtime.
env.Append(LINKFLAGS=["-s", "EXIT_RUNTIME=1"])