godot/platform/javascript/export/export.cpp
2017-08-27 14:16:55 +02:00

381 lines
14 KiB
C++

/*************************************************************************/
/* export.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md) */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "editor/editor_node.h"
#include "editor_export.h"
#include "io/zip_io.h"
#include "platform/javascript/logo.gen.h"
#include "platform/javascript/run_icon.gen.h"
#define EXPORT_TEMPLATE_WEBASSEMBLY_RELEASE "webassembly_release.zip"
#define EXPORT_TEMPLATE_WEBASSEMBLY_DEBUG "webassembly_debug.zip"
#define EXPORT_TEMPLATE_ASMJS_RELEASE "javascript_release.zip"
#define EXPORT_TEMPLATE_ASMJS_DEBUG "javascript_debug.zip"
class EditorExportPlatformJavaScript : public EditorExportPlatform {
GDCLASS(EditorExportPlatformJavaScript, EditorExportPlatform)
Ref<ImageTexture> logo;
Ref<ImageTexture> run_icon;
bool runnable_when_last_polled;
void _fix_html(Vector<uint8_t> &p_html, const Ref<EditorExportPreset> &p_preset, const String &p_name, bool p_debug);
void _fix_fsloader_js(Vector<uint8_t> &p_js, const String &p_pack_name, uint64_t p_pack_size);
public:
enum Target {
TARGET_WEBASSEMBLY,
TARGET_ASMJS
};
virtual void get_preset_features(const Ref<EditorExportPreset> &p_preset, List<String> *r_features);
virtual void get_export_options(List<ExportOption> *r_options);
virtual bool get_option_visibility(const String &p_option, const Map<StringName, Variant> &p_options) const;
virtual String get_name() const;
virtual String get_os_name() const;
virtual Ref<Texture> get_logo() const;
virtual bool can_export(const Ref<EditorExportPreset> &p_preset, String &r_error, bool &r_missing_templates) const;
virtual String get_binary_extension() const;
virtual Error export_project(const Ref<EditorExportPreset> &p_preset, bool p_debug, const String &p_path, int p_flags = 0);
virtual bool poll_devices();
virtual int get_device_count() const;
virtual String get_device_name(int p_device) const { return TTR("Run in Browser"); }
virtual String get_device_info(int p_device) const { return TTR("Run exported HTML in the system's default browser."); }
virtual Error run(const Ref<EditorExportPreset> &p_preset, int p_device, int p_debug_flags);
virtual Ref<Texture> get_run_icon() const;
virtual void get_platform_features(List<String> *r_features) {
r_features->push_back("web");
r_features->push_back("JavaScript");
}
EditorExportPlatformJavaScript();
};
void EditorExportPlatformJavaScript::_fix_html(Vector<uint8_t> &p_html, const Ref<EditorExportPreset> &p_preset, const String &p_name, bool p_debug) {
String str_template = String::utf8(reinterpret_cast<const char *>(p_html.ptr()), p_html.size());
String str_export;
Vector<String> lines = str_template.split("\n");
int memory_mb;
if (p_preset->get("options/target").operator int() != TARGET_ASMJS)
// WebAssembly allows memory growth, so start with a reasonable default
memory_mb = 1 << 4;
else
memory_mb = 1 << (p_preset->get("options/memory_size").operator int() + 5);
for (int i = 0; i < lines.size(); i++) {
String current_line = lines[i];
current_line = current_line.replace("$GODOT_TMEM", itos(memory_mb * 1024 * 1024));
current_line = current_line.replace("$GODOT_BASE", p_name);
current_line = current_line.replace("$GODOT_HEAD_INCLUDE", p_preset->get("html/head_include"));
current_line = current_line.replace("$GODOT_DEBUG_ENABLED", p_debug ? "true" : "false");
str_export += current_line + "\n";
}
CharString cs = str_export.utf8();
p_html.resize(cs.length());
for (int i = 0; i < cs.length(); i++) {
p_html[i] = cs[i];
}
}
void EditorExportPlatformJavaScript::_fix_fsloader_js(Vector<uint8_t> &p_js, const String &p_pack_name, uint64_t p_pack_size) {
String str_template = String::utf8(reinterpret_cast<const char *>(p_js.ptr()), p_js.size());
String str_export;
Vector<String> lines = str_template.split("\n");
for (int i = 0; i < lines.size(); i++) {
if (lines[i].find("$GODOT_PACK_NAME") != -1) {
str_export += lines[i].replace("$GODOT_PACK_NAME", p_pack_name);
} else if (lines[i].find("$GODOT_PACK_SIZE") != -1) {
str_export += lines[i].replace("$GODOT_PACK_SIZE", itos(p_pack_size));
} else {
str_export += lines[i] + "\n";
}
}
CharString cs = str_export.utf8();
p_js.resize(cs.length());
for (int i = 0; i < cs.length(); i++) {
p_js[i] = cs[i];
}
}
void EditorExportPlatformJavaScript::get_preset_features(const Ref<EditorExportPreset> &p_preset, List<String> *r_features) {
if (p_preset->get("texture_format/s3tc")) {
r_features->push_back("s3tc");
}
if (p_preset->get("texture_format/etc")) {
r_features->push_back("etc");
}
if (p_preset->get("texture_format/etc2")) {
r_features->push_back("etc2");
}
}
void EditorExportPlatformJavaScript::get_export_options(List<ExportOption> *r_options) {
r_options->push_back(ExportOption(PropertyInfo(Variant::INT, "options/target", PROPERTY_HINT_ENUM, "WebAssembly,asm.js"), TARGET_WEBASSEMBLY));
r_options->push_back(ExportOption(PropertyInfo(Variant::INT, "options/memory_size", PROPERTY_HINT_ENUM, "32 MB,64 MB,128 MB,256 MB,512 MB,1 GB"), 3));
r_options->push_back(ExportOption(PropertyInfo(Variant::BOOL, "texture_format/s3tc"), false));
r_options->push_back(ExportOption(PropertyInfo(Variant::BOOL, "texture_format/etc"), true));
r_options->push_back(ExportOption(PropertyInfo(Variant::BOOL, "texture_format/etc2"), false));
r_options->push_back(ExportOption(PropertyInfo(Variant::STRING, "html/head_include", PROPERTY_HINT_MULTILINE_TEXT), ""));
r_options->push_back(ExportOption(PropertyInfo(Variant::STRING, "custom_template/release", PROPERTY_HINT_GLOBAL_FILE, "zip"), ""));
r_options->push_back(ExportOption(PropertyInfo(Variant::STRING, "custom_template/debug", PROPERTY_HINT_GLOBAL_FILE, "zip"), ""));
}
bool EditorExportPlatformJavaScript::get_option_visibility(const String &p_option, const Map<StringName, Variant> &p_options) const {
if (p_option == "options/memory_size") {
return p_options["options/target"].operator int() == TARGET_ASMJS;
}
return true;
}
String EditorExportPlatformJavaScript::get_name() const {
return "HTML5";
}
String EditorExportPlatformJavaScript::get_os_name() const {
return "JavaScript";
}
Ref<Texture> EditorExportPlatformJavaScript::get_logo() const {
return logo;
}
bool EditorExportPlatformJavaScript::can_export(const Ref<EditorExportPreset> &p_preset, String &r_error, bool &r_missing_templates) const {
r_missing_templates = false;
if (p_preset->get("options/target").operator int() == TARGET_WEBASSEMBLY) {
if (find_export_template(EXPORT_TEMPLATE_WEBASSEMBLY_RELEASE) == String())
r_missing_templates = true;
else if (find_export_template(EXPORT_TEMPLATE_WEBASSEMBLY_DEBUG) == String())
r_missing_templates = true;
} else {
if (find_export_template(EXPORT_TEMPLATE_ASMJS_RELEASE) == String())
r_missing_templates = true;
else if (find_export_template(EXPORT_TEMPLATE_ASMJS_DEBUG) == String())
r_missing_templates = true;
}
return !r_missing_templates;
}
String EditorExportPlatformJavaScript::get_binary_extension() const {
return "html";
}
Error EditorExportPlatformJavaScript::export_project(const Ref<EditorExportPreset> &p_preset, bool p_debug, const String &p_path, int p_flags) {
String custom_debug = p_preset->get("custom_template/debug");
String custom_release = p_preset->get("custom_template/release");
String template_path = p_debug ? custom_debug : custom_release;
template_path = template_path.strip_edges();
if (template_path == String()) {
if (p_preset->get("options/target").operator int() == TARGET_WEBASSEMBLY) {
if (p_debug)
template_path = find_export_template(EXPORT_TEMPLATE_WEBASSEMBLY_DEBUG);
else
template_path = find_export_template(EXPORT_TEMPLATE_WEBASSEMBLY_RELEASE);
} else {
if (p_debug)
template_path = find_export_template(EXPORT_TEMPLATE_ASMJS_DEBUG);
else
template_path = find_export_template(EXPORT_TEMPLATE_ASMJS_RELEASE);
}
}
if (template_path != String() && !FileAccess::exists(template_path)) {
EditorNode::get_singleton()->show_warning(TTR("Template file not found:\n") + template_path);
return ERR_FILE_NOT_FOUND;
}
String pck_path = p_path.get_basename() + ".pck";
Error error = save_pack(p_preset, pck_path);
if (error != OK) {
EditorNode::get_singleton()->show_warning(TTR("Could not write file:\n") + pck_path);
return error;
}
FileAccess *f = FileAccess::open(pck_path, FileAccess::READ);
if (!f) {
EditorNode::get_singleton()->show_warning(TTR("Could not read file:\n") + pck_path);
return ERR_FILE_CANT_READ;
}
size_t pack_size = f->get_len();
memdelete(f);
FileAccess *src_f = NULL;
zlib_filefunc_def io = zipio_create_io_from_file(&src_f);
unzFile pkg = unzOpen2(template_path.utf8().get_data(), &io);
if (!pkg) {
EditorNode::get_singleton()->show_warning(TTR("Could not open template for export:\n") + template_path);
return ERR_FILE_NOT_FOUND;
}
int ret = unzGoToFirstFile(pkg);
while (ret == UNZ_OK) {
//get filename
unz_file_info info;
char fname[16384];
ret = unzGetCurrentFileInfo(pkg, &info, fname, 16384, NULL, 0, NULL, 0);
String file = fname;
Vector<uint8_t> data;
data.resize(info.uncompressed_size);
//read
unzOpenCurrentFile(pkg);
unzReadCurrentFile(pkg, data.ptr(), data.size());
unzCloseCurrentFile(pkg);
//write
if (file == "godot.html") {
_fix_html(data, p_preset, p_path.get_file().get_basename(), p_debug);
file = p_path.get_file();
} else if (file == "godotfs.js") {
_fix_fsloader_js(data, pck_path.get_file(), pack_size);
file = p_path.get_file().get_basename() + "fs.js";
} else if (file == "godot.js") {
file = p_path.get_file().get_basename() + ".js";
} else if (file == "godot.wasm") {
file = p_path.get_file().get_basename() + ".wasm";
} else if (file == "godot.asm.js") {
file = p_path.get_file().get_basename() + ".asm.js";
} else if (file == "godot.mem") {
file = p_path.get_file().get_basename() + ".mem";
}
String dst = p_path.get_base_dir().plus_file(file);
FileAccess *f = FileAccess::open(dst, FileAccess::WRITE);
if (!f) {
EditorNode::get_singleton()->show_warning(TTR("Could not write file:\n") + dst);
unzClose(pkg);
return ERR_FILE_CANT_WRITE;
}
f->store_buffer(data.ptr(), data.size());
memdelete(f);
ret = unzGoToNextFile(pkg);
}
return OK;
}
bool EditorExportPlatformJavaScript::poll_devices() {
Ref<EditorExportPreset> preset;
for (int i = 0; i < EditorExport::get_singleton()->get_export_preset_count(); i++) {
Ref<EditorExportPreset> ep = EditorExport::get_singleton()->get_export_preset(i);
if (ep->is_runnable() && ep->get_platform() == this) {
preset = ep;
break;
}
}
bool prev = runnable_when_last_polled;
runnable_when_last_polled = preset.is_valid();
return runnable_when_last_polled != prev;
}
int EditorExportPlatformJavaScript::get_device_count() const {
return runnable_when_last_polled;
}
Error EditorExportPlatformJavaScript::run(const Ref<EditorExportPreset> &p_preset, int p_device, int p_debug_flags) {
String path = EditorSettings::get_singleton()->get_settings_path() + "/tmp/tmp_export.html";
Error err = export_project(p_preset, true, path, p_debug_flags);
if (err) {
return err;
}
OS::get_singleton()->shell_open(path);
return OK;
}
Ref<Texture> EditorExportPlatformJavaScript::get_run_icon() const {
return run_icon;
}
EditorExportPlatformJavaScript::EditorExportPlatformJavaScript() {
Ref<Image> img = memnew(Image(_javascript_logo));
logo.instance();
logo->create_from_image(img);
img = Ref<Image>(memnew(Image(_javascript_run_icon)));
run_icon.instance();
run_icon->create_from_image(img);
runnable_when_last_polled = false;
}
void register_javascript_exporter() {
Ref<EditorExportPlatformJavaScript> platform;
platform.instance();
EditorExport::get_singleton()->add_export_platform(platform);
}