Move emscripten function to separate file

This commit is contained in:
Varun Patil 2020-05-04 17:59:12 +05:30
parent a847164445
commit 2ea2f31c03
4 changed files with 49 additions and 34 deletions

View File

@ -158,6 +158,7 @@ set(MAIN_SOURCE
src/main.cpp
src/audio.cpp
src/bitmap.cpp
src/emscripten.cpp
src/eventthread.cpp
src/filesystem.cpp
src/font.cpp

View File

@ -45,7 +45,7 @@
#include "eventthread.h"
#ifdef __EMSCRIPTEN__
#include <emscripten.h>
#include "emscripten.hpp"
#endif
#define GUARD_MEGA \
@ -237,39 +237,6 @@ struct BitmapPrivate
}
};
#ifdef __EMSCRIPTEN__
EM_JS(void, load_file_async, (const char* fullPathC), {
Asyncify.handleSleep(function(wakeUp) {
const fullPath = UTF8ToString(fullPathC);
// Make cache object
if (!window.fileAsyncCache) window.fileAsyncCache = {};
// Check if already loaded
if (window.fileAsyncCache.hasOwnProperty(fullPath)) return wakeUp();
// Get full destination
const file = "game/" + fullPath;
// Get path and filename
const path = "/" + file.substring(0, file.lastIndexOf("/"));
const filename = file.substring(file.lastIndexOf("/") + 1);
// Get target URL
const iurl = "gameasync/" + fullPath;
// Delete original file
FS.unlink(path + "/" + filename);
// Get the new file
FS.createPreloadedFile(path, filename, iurl, true, true, function() {
window.fileAsyncCache[fullPath] = 1;
wakeUp();
}, console.error);
});
});
#endif;
struct BitmapOpenHandler : FileSystem::OpenHandler
{
SDL_Surface *surf;

33
src/emscripten.cpp Normal file
View File

@ -0,0 +1,33 @@
#include "emscripten.hpp"
EM_JS(void, load_file_async, (const char* fullPathC), {
Asyncify.handleSleep(function(wakeUp) {
const fullPath = UTF8ToString(fullPathC);
// Make cache object
if (!window.fileAsyncCache) window.fileAsyncCache = {};
// Check if already loaded
if (window.fileAsyncCache.hasOwnProperty(fullPath)) return wakeUp();
// Get full destination
const file = "game/" + fullPath;
// Get path and filename
const path = "/" + file.substring(0, file.lastIndexOf("/"));
const filename = file.substring(file.lastIndexOf("/") + 1);
// Get target URL
const iurl = "gameasync/" + fullPath;
// Delete original file
FS.unlink(path + "/" + filename);
// Get the new file
FS.createPreloadedFile(path, filename, iurl, true, true, function() {
window.fileAsyncCache[fullPath] = 1;
wakeUp();
}, console.error);
});
});

14
src/emscripten.hpp Normal file
View File

@ -0,0 +1,14 @@
#ifndef EMSCRIPTEN_HPP
#define EMSCRIPTEN_HPP
#ifdef __EMSCRIPTEN__
#include <emscripten.h>
extern "C" {
void load_file_async(const char* fullPathC);
}
#endif
#endif