Add image lazy loading
This commit is contained in:
parent
27d55a776e
commit
8ff0e868ca
|
@ -435,7 +435,7 @@ SET(ASYNCIFY "-s ASYNCIFY=1 -s 'ASYNCIFY_IMPORTS=[\"load_file_async_js\"]'")
|
|||
|
||||
SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${EMS_FLAGS} ${ERR_FLAGS} ${ASYNCIFY}")
|
||||
SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${EMS_FLAGS} ${ERR_FLAGS} ${ASYNCIFY}")
|
||||
SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${EMS_FLAGS} ${ASYNCIFY} -lopenal -s DISABLE_EXCEPTION_CATCHING=1 -s ASSERTIONS=0 -s SAFE_HEAP=0 -s MINIFY_HTML=0 --shell-file extra/shell.html -s EMULATE_FUNCTION_POINTER_CASTS=0 -s ALLOW_MEMORY_GROWTH=1 -s MAX_WEBGL_VERSION=2")
|
||||
SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${EMS_FLAGS} ${ASYNCIFY} -lopenal -s DISABLE_EXCEPTION_CATCHING=1 -s ASSERTIONS=0 -s SAFE_HEAP=0 -s MINIFY_HTML=0 --shell-file extra/shell.html -s EMULATE_FUNCTION_POINTER_CASTS=0 -s ALLOW_MEMORY_GROWTH=1 -s MAX_WEBGL_VERSION=2 -s EXPORTED_FUNCTIONS='[\"_main\",\"_reloadBitmap\"]' -s EXPORTED_RUNTIME_METHODS='[\"ccall\",\"cwrap\"]'")
|
||||
|
||||
set_target_properties(
|
||||
${PROJECT_NAME}
|
||||
|
|
|
@ -19,7 +19,13 @@ function _base64ToBytes(base64) {
|
|||
return bytes;
|
||||
}
|
||||
|
||||
window.loadFileAsync = function(fullPath, callback) {
|
||||
// Canvas used for image generation
|
||||
var generationCanvas = document.createElement('canvas')
|
||||
|
||||
window.loadFileAsync = function(fullPath, bitmap, callback) {
|
||||
// noop
|
||||
callback = callback || (() => {});
|
||||
|
||||
// Make cache object
|
||||
if (!window.fileAsyncCache) window.fileAsyncCache = {};
|
||||
|
||||
|
@ -27,7 +33,7 @@ window.loadFileAsync = function(fullPath, callback) {
|
|||
if (window.fileAsyncCache.hasOwnProperty(fullPath)) return callback();
|
||||
|
||||
// Show spinner
|
||||
if (window.setBusy) window.setBusy();
|
||||
if (!bitmap && window.setBusy) window.setBusy();
|
||||
|
||||
// Get mapping key
|
||||
const mappingKey = fullPath.toLowerCase().replace(new RegExp("\\.[^/.]+$"), "");
|
||||
|
@ -46,18 +52,47 @@ window.loadFileAsync = function(fullPath, callback) {
|
|||
const path = "/game/" + mappingValue.substring(0, mappingValue.lastIndexOf("/"));
|
||||
const filename = mappingValue.substring(mappingValue.lastIndexOf("/") + 1).split("?")[0];
|
||||
|
||||
// Delete original file if existent
|
||||
try {
|
||||
FS.unlink(path + "/" + filename);
|
||||
} catch (err) {}
|
||||
// Main loading function
|
||||
const load = (cb1) => {
|
||||
getLazyAsset(iurl, filename, (data) => {
|
||||
// Delete original file if existent
|
||||
try { FS.unlink(path + "/" + filename); } catch (err) {}
|
||||
|
||||
// Get the new file
|
||||
getLazyAsset(iurl, filename, () => {
|
||||
FS.createPreloadedFile(path, filename, iurl, true, true, function() {
|
||||
window.fileAsyncCache[fullPath] = 1;
|
||||
if (window.setNotBusy) window.setNotBusy();
|
||||
if (window.fileLoadedAsync) window.fileLoadedAsync(fullPath);
|
||||
callback();
|
||||
FS.createPreloadedFile(path, filename, new Uint8Array(data), true, true, function() {
|
||||
window.fileAsyncCache[fullPath] = 1;
|
||||
if (!bitmap && window.setNotBusy) window.setNotBusy();
|
||||
if (window.fileLoadedAsync) window.fileLoadedAsync(fullPath);
|
||||
callback();
|
||||
if (cb1) cb1();
|
||||
}, console.error);
|
||||
});
|
||||
}
|
||||
|
||||
// Show progress if doing it synchronously only
|
||||
if (bitmap && bitmapSizeMapping[mappingKey]) {
|
||||
// Remove existing file
|
||||
try { FS.unlink(path + "/" + filename); } catch (err) {}
|
||||
|
||||
// Get image
|
||||
const sm = bitmapSizeMapping[mappingKey];
|
||||
generationCanvas.width = sm[0];
|
||||
generationCanvas.height = sm[1];
|
||||
|
||||
// Create dummy from data uri
|
||||
FS.createPreloadedFile(path, filename, generationCanvas.toDataURL(), true, true, function() {
|
||||
// Return control to C++
|
||||
callback(); callback = () => {};
|
||||
|
||||
// Lazy load and refresh
|
||||
load(() => {
|
||||
const reloadBitmap = Module.cwrap('reloadBitmap', 'number', ['number'])
|
||||
reloadBitmap(bitmap);
|
||||
});
|
||||
}, console.error);
|
||||
});
|
||||
} else {
|
||||
if (bitmap) {
|
||||
console.warn('No sizemap for image', mappingKey);
|
||||
}
|
||||
load();
|
||||
}
|
||||
}
|
||||
|
|
|
@ -1,6 +1,7 @@
|
|||
#!/bin/bash
|
||||
|
||||
echo "var mapping = {" > mapping.js
|
||||
echo "var bitmapSizeMapping = {" > bitmap-map.js
|
||||
|
||||
for file in {*,*/*,*/**/*}
|
||||
do
|
||||
|
@ -17,7 +18,16 @@ fi
|
|||
|
||||
echo "\"$fl\": \"${file}?h=${md5}\"," >> mapping.js
|
||||
|
||||
if [ -f $file ]
|
||||
then
|
||||
sz=`identify -format "%w,%h" "${file}" 2>/dev/null`
|
||||
if [ $? -eq 0 ]; then
|
||||
echo "\"$fl\": [${sz}]," >> bitmap-map.js
|
||||
fi
|
||||
fi
|
||||
|
||||
done
|
||||
|
||||
echo "};" >> mapping.js
|
||||
echo "};" >> bitmap-map.js
|
||||
|
||||
|
|
|
@ -8,6 +8,7 @@
|
|||
<script src="js/localforage.min.js"></script>
|
||||
<script src="js/drive.js"></script>
|
||||
<script src="gameasync/mapping.js"></script>
|
||||
<script src="gameasync/bitmap-map.js"></script>
|
||||
|
||||
<title>MKXP</title>
|
||||
<style>
|
||||
|
@ -292,6 +293,7 @@
|
|||
var hideTimer = 0;
|
||||
function getLazyAsset(url, filename, callback) {
|
||||
const xhr = new XMLHttpRequest();
|
||||
xhr.responseType = "arraybuffer";
|
||||
const pdiv = document.getElementById("progress");
|
||||
let showTimer = 0;
|
||||
let abortTimer = 0;
|
||||
|
@ -308,10 +310,9 @@
|
|||
pdiv.style.opacity = '0';
|
||||
hideTimer = 0;
|
||||
}, 500);
|
||||
callback();
|
||||
|
||||
clearTimeout(showTimer);
|
||||
clearTimeout(abortTimer);
|
||||
callback(xhr.response);
|
||||
}
|
||||
}
|
||||
xhr.onprogress = function (event) {
|
||||
|
|
|
@ -258,8 +258,22 @@ struct BitmapOpenHandler : FileSystem::OpenHandler
|
|||
|
||||
Bitmap::Bitmap(const char *filename)
|
||||
{
|
||||
strcpy(this->filename, filename);
|
||||
this->loadFromFilename();
|
||||
}
|
||||
|
||||
void Bitmap::loadFromFilename()
|
||||
{
|
||||
char * filename = this->filename;
|
||||
|
||||
#ifdef __EMSCRIPTEN__
|
||||
load_file_async_js(filename);
|
||||
bool reloading = false;
|
||||
if (this->p) {
|
||||
this->releaseResources();
|
||||
reloading = true;
|
||||
} else {
|
||||
load_file_async_js(filename, (int)this);
|
||||
}
|
||||
#endif
|
||||
|
||||
BitmapOpenHandler handler;
|
||||
|
@ -267,7 +281,7 @@ Bitmap::Bitmap(const char *filename)
|
|||
SDL_Surface *imgSurf = handler.surf;
|
||||
|
||||
if (!imgSurf) {
|
||||
printf("ERROR OCCURED LOADING IMAGE %s : %s\n", filename, SDL_GetError());
|
||||
printf("Error occured loading image %s : %s\n", filename, SDL_GetError());
|
||||
throw Exception(Exception::SDLError, "Error loading image '%s': %s",
|
||||
filename, SDL_GetError());
|
||||
}
|
||||
|
@ -306,6 +320,11 @@ Bitmap::Bitmap(const char *filename)
|
|||
}
|
||||
|
||||
p->addTaintedArea(rect());
|
||||
|
||||
#ifdef __EMSCRIPTEN__
|
||||
if (reloading && this->reloadCallback)
|
||||
this->reloadCallback(this->reloadCallbackData);
|
||||
#endif
|
||||
}
|
||||
|
||||
Bitmap::Bitmap(int width, int height)
|
||||
|
@ -1334,3 +1353,15 @@ void Bitmap::releaseResources()
|
|||
|
||||
delete p;
|
||||
}
|
||||
|
||||
#ifdef __EMSCRIPTEN__
|
||||
extern "C" {
|
||||
int reloadBitmap(int intptr) {
|
||||
Bitmap * bitmap = (Bitmap*) intptr;
|
||||
if (bitmap->isDisposed()) return 0;
|
||||
|
||||
bitmap->loadFromFilename();
|
||||
return 1;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
|
|
@ -119,11 +119,16 @@ public:
|
|||
|
||||
sigc::signal<void> modified;
|
||||
|
||||
char filename[512];
|
||||
void loadFromFilename();
|
||||
void (*reloadCallback)(void *) = NULL;
|
||||
void * reloadCallbackData = NULL;
|
||||
|
||||
private:
|
||||
void releaseResources();
|
||||
const char *klassName() const { return "bitmap"; }
|
||||
|
||||
BitmapPrivate *p;
|
||||
BitmapPrivate *p = 0;
|
||||
};
|
||||
|
||||
#endif // BITMAP_H
|
||||
|
|
|
@ -2,9 +2,9 @@
|
|||
|
||||
#ifdef __EMSCRIPTEN__
|
||||
|
||||
EM_JS(void, load_file_async_js, (const char* fullPathC), {
|
||||
EM_JS(void, load_file_async_js, (const char* fullPathC, int bitmap), {
|
||||
Asyncify.handleSleep(function(wakeUp) {
|
||||
window.loadFileAsync(UTF8ToString(fullPathC), wakeUp);
|
||||
window.loadFileAsync(UTF8ToString(fullPathC), bitmap, wakeUp);
|
||||
});
|
||||
});
|
||||
|
||||
|
|
|
@ -5,7 +5,7 @@
|
|||
#include <emscripten.h>
|
||||
|
||||
extern "C" {
|
||||
void load_file_async_js(const char* fullPathC);
|
||||
void load_file_async_js(const char* fullPathC, int bitmap=0);
|
||||
|
||||
void save_file_async_js(const char* fullPathC);
|
||||
}
|
||||
|
|
|
@ -1147,6 +1147,14 @@ DEF_ATTR_RD_SIMPLE(Tilemap, Visible, bool, p->visible)
|
|||
DEF_ATTR_RD_SIMPLE(Tilemap, OX, int, p->origin.x)
|
||||
DEF_ATTR_RD_SIMPLE(Tilemap, OY, int, p->origin.y)
|
||||
|
||||
void invalidateBitmap(void * tilemap) {
|
||||
((Tilemap *) tilemap)->invalidate();
|
||||
}
|
||||
|
||||
void Tilemap::invalidate() {
|
||||
p->invalidateAtlasContents();
|
||||
}
|
||||
|
||||
void Tilemap::setTileset(Bitmap *value)
|
||||
{
|
||||
guardDisposed();
|
||||
|
@ -1159,6 +1167,9 @@ void Tilemap::setTileset(Bitmap *value)
|
|||
if (!value)
|
||||
return;
|
||||
|
||||
value->reloadCallback = invalidateBitmap;
|
||||
value->reloadCallbackData = (void *) this;
|
||||
|
||||
p->invalidateAtlasSize();
|
||||
p->tilesetCon.disconnect();
|
||||
p->tilesetCon = value->modified.connect
|
||||
|
|
|
@ -54,6 +54,7 @@ public:
|
|||
~Tilemap();
|
||||
|
||||
void update();
|
||||
void invalidate();
|
||||
|
||||
Autotiles &getAutotiles();
|
||||
Viewport *getViewport() const;
|
||||
|
|
Loading…
Reference in New Issue