summaryrefslogtreecommitdiff
path: root/platform/javascript/emscripten_helpers.py
blob: 4dad2d52040d32dd12c5135908ee51a60239006d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
import os, json

from SCons.Util import WhereIs


def run_closure_compiler(target, source, env, for_signature):
    closure_bin = os.path.join(os.path.dirname(WhereIs("emcc")), "node_modules", ".bin", "google-closure-compiler")
    cmd = [WhereIs("node"), closure_bin]
    cmd.extend(["--compilation_level", "ADVANCED_OPTIMIZATIONS"])
    for f in env["JSEXTERNS"]:
        cmd.extend(["--externs", f.get_abspath()])
    for f in source:
        cmd.extend(["--js", f.get_abspath()])
    cmd.extend(["--js_output_file", target[0].get_abspath()])
    return " ".join(cmd)


def get_build_version():
    import version

    name = "custom_build"
    if os.getenv("BUILD_NAME") != None:
        name = os.getenv("BUILD_NAME")
    v = "%d.%d" % (version.major, version.minor)
    if version.patch > 0:
        v += ".%d" % version.patch
    status = version.status
    if os.getenv("GODOT_VERSION_STATUS") != None:
        status = str(os.getenv("GODOT_VERSION_STATUS"))
    v += ".%s.%s" % (status, name)
    return v


def create_engine_file(env, target, source, externs):
    if env["use_closure_compiler"]:
        return env.BuildJS(target, source, JSEXTERNS=externs)
    return env.Textfile(target, [env.File(s) for s in source])


def create_template_zip(env, js, wasm, extra):
    binary_name = "godot.tools" if env["tools"] else "godot"
    zip_dir = env.Dir("#bin/.javascript_zip")
    in_files = [
        js,
        wasm,
        "#platform/javascript/js/libs/audio.worklet.js",
    ]
    out_files = [
        zip_dir.File(binary_name + ".js"),
        zip_dir.File(binary_name + ".wasm"),
        zip_dir.File(binary_name + ".audio.worklet.js"),
    ]
    # GDNative/Threads specific
    if env["gdnative_enabled"]:
        in_files.append(extra)  # Runtime
        out_files.append(zip_dir.File(binary_name + ".side.wasm"))
    elif env["threads_enabled"]:
        in_files.append(extra)  # Worker
        out_files.append(zip_dir.File(binary_name + ".worker.js"))

    service_worker = "#misc/dist/html/service-worker.js"
    if env["tools"]:
        # HTML
        html = "#misc/dist/html/editor.html"
        cache = [
            "godot.tools.html",
            "offline.html",
            "godot.tools.js",
            "godot.tools.worker.js",
            "godot.tools.audio.worklet.js",
            "logo.svg",
            "favicon.png",
        ]
        opt_cache = ["godot.tools.wasm"]
        subst_dict = {
            "@GODOT_VERSION@": get_build_version(),
            "@GODOT_NAME@": "GodotEngine",
            "@GODOT_CACHE@": json.dumps(cache),
            "@GODOT_OPT_CACHE@": json.dumps(opt_cache),
            "@GODOT_OFFLINE_PAGE@": "offline.html",
        }
        html = env.Substfile(target="#bin/godot${PROGSUFFIX}.html", source=html, SUBST_DICT=subst_dict)
        in_files.append(html)
        out_files.append(zip_dir.File(binary_name + ".html"))
        # And logo/favicon
        in_files.append("#misc/dist/html/logo.svg")
        out_files.append(zip_dir.File("logo.svg"))
        in_files.append("#icon.png")
        out_files.append(zip_dir.File("favicon.png"))
        # PWA
        service_worker = env.Substfile(
            target="#bin/godot${PROGSUFFIX}.service.worker.js", source=service_worker, SUBST_DICT=subst_dict
        )
        in_files.append(service_worker)
        out_files.append(zip_dir.File("service.worker.js"))
        in_files.append("#misc/dist/html/manifest.json")
        out_files.append(zip_dir.File("manifest.json"))
        in_files.append("#misc/dist/html/offline.html")
        out_files.append(zip_dir.File("offline.html"))
    else:
        # HTML
        in_files.append("#misc/dist/html/full-size.html")
        out_files.append(zip_dir.File(binary_name + ".html"))
        in_files.append(service_worker)
        out_files.append(zip_dir.File(binary_name + ".service.worker.js"))
        in_files.append("#misc/dist/html/offline-export.html")
        out_files.append(zip_dir.File("godot.offline.html"))

    zip_files = env.InstallAs(out_files, in_files)
    env.Zip(
        "#bin/godot",
        zip_files,
        ZIPROOT=zip_dir,
        ZIPSUFFIX="${PROGSUFFIX}${ZIPSUFFIX}",
        ZIPCOMSTR="Archiving $SOURCES as $TARGET",
    )


def add_js_libraries(env, libraries):
    env.Append(JS_LIBS=env.File(libraries))


def add_js_pre(env, js_pre):
    env.Append(JS_PRE=env.File(js_pre))


def add_js_externs(env, externs):
    env.Append(JS_EXTERNS=env.File(externs))