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