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Diffstat (limited to 'src/library_sdl.js')
-rw-r--r--src/library_sdl.js132
1 files changed, 113 insertions, 19 deletions
diff --git a/src/library_sdl.js b/src/library_sdl.js
index 34484a0e..4477e457 100644
--- a/src/library_sdl.js
+++ b/src/library_sdl.js
@@ -28,6 +28,7 @@ var LibrarySDL = {
// The currently preloaded audio elements ready to be played
audios: [null],
+ rwops: [null],
// The currently playing audio element. There's only one music track.
music: {
audio: null,
@@ -948,7 +949,10 @@ var LibrarySDL = {
// TODO
},
- SDL_GetKeyboardState: function() {
+ SDL_GetKeyboardState: function(numKeys) {
+ if (numKeys) {
+ {{{ makeSetValue('numKeys', 0, 0x10000, 'i32') }}};
+ }
return SDL.keyboardState;
},
@@ -1105,7 +1109,11 @@ var LibrarySDL = {
return ret;
},
+ rotozoomSurface__deps: ['zoomSurface'],
rotozoomSurface: function(src, angle, zoom, smooth) {
+ if (angle % 360 === 0) {
+ return _zoomSurface(src, zoom, zoom, smooth);
+ }
var srcData = SDL.surfaces[src];
var w = srcData.width * zoom;
var h = srcData.height * zoom;
@@ -1230,9 +1238,24 @@ var LibrarySDL = {
return flags; // We support JPG, PNG, TIF because browsers do
},
- IMG_Load__deps: ['SDL_LockSurface'],
- IMG_Load: function(filename) {
- filename = FS.standardizePath(Pointer_stringify(filename));
+ IMG_Load_RW__deps: ['SDL_LockSurface'],
+ IMG_Load_RW: function(rwopsID, freesrc) {
+ var rwops = SDL.rwops[rwopsID];
+
+ if (rwops === undefined) {
+ return 0;
+ }
+
+ var filename = rwops.filename;
+
+ if (filename === undefined) {
+ Runtime.warnOnce('Only file names that have been preloaded are supported for IMG_Load_RW.');
+ // TODO. Support loading image data from embedded files, similarly to Mix_LoadWAV_RW
+ // TODO. Support loading image data from byte arrays, similarly to Mix_LoadWAV_RW
+ return 0;
+ }
+
+ filename = FS.standardizePath(filename);
if (filename[0] == '/') {
// Convert the path to relative
filename = filename.substr(1);
@@ -1264,8 +1287,14 @@ var LibrarySDL = {
return surf;
},
SDL_LoadBMP: 'IMG_Load',
- SDL_LoadBMP_RW: 'IMG_Load',
- IMG_Load_RW: 'IMG_Load',
+ SDL_LoadBMP_RW: 'IMG_Load_RW',
+ IMG_Load__deps: ['IMG_Load_RW', 'SDL_RWFromFile', 'SDL_FreeRW'],
+ IMG_Load: function(filename){
+ var rwops = _SDL_RWFromFile(filename);
+ var result = _IMG_Load_RW(rwops);
+ _SDL_FreeRW(rwops);
+ return result;
+ },
// SDL_Audio
@@ -1401,22 +1430,62 @@ var LibrarySDL = {
return 0; // error
},
- Mix_LoadWAV_RW: function(filename, freesrc) {
- filename = FS.standardizePath(Pointer_stringify(filename));
- var raw = Module["preloadedAudios"][filename];
- if (!raw) {
- if (raw === null) Module.printErr('Trying to reuse preloaded audio, but freePreloadedMediaOnUse is set!');
- Runtime.warnOnce('Cannot find preloaded audio ' + filename);
+ Mix_LoadWAV_RW: function(rwopsID, freesrc) {
+ var rwops = SDL.rwops[rwopsID];
+
+ if (rwops === undefined)
return 0;
+
+ var filename = '';
+ var audio;
+ var bytes;
+
+ if (rwops.filename !== undefined) {
+ filename = rwops.filename;
+ filename = FS.standardizePath(filename);
+ var raw = Module["preloadedAudios"][filename];
+ if (!raw) {
+ if (raw === null) Module.printErr('Trying to reuse preloaded audio, but freePreloadedMediaOnUse is set!');
+ Runtime.warnOnce('Cannot find preloaded audio ' + filename);
+
+ // see if we can read the file-contents from the in-memory FS
+ var fileObject = FS.findObject(filename);
+
+ if (fileObject === null) Module.printErr('Couldn\'t find file for: ' + filename);
+
+ // We found the file. Load the contents
+ if (fileObject && !fileObject.isFolder && fileObject.read) {
+ bytes = fileObject.contents
+ } else {
+ return 0;
+ }
+ }
+ if (Module['freePreloadedMediaOnUse']) {
+ Module["preloadedAudios"][filename] = null;
+ }
+ audio = raw;
}
- if (Module['freePreloadedMediaOnUse']) {
- Module["preloadedAudios"][filename] = null;
+ else if (rwops.bytes !== undefined) {
+ bytes = HEAPU8.subarray(rwops.bytes, rwops.bytes + rwops.count);
+ }
+ else {
+ return 0;
+ }
+
+ // Here, we didn't find a preloaded audio but we either were passed a filepath for
+ // which we loaded bytes, or we were passed some bytes
+ if (audio === undefined && bytes) {
+ var blob = new Blob([new Uint8Array(bytes)], {type: rwops.mimetype});
+ var url = URL.createObjectURL(blob);
+ audio = new Audio();
+ audio.src = url;
}
+
var id = SDL.audios.length;
// Keep the loaded audio in the audio arrays, ready for playback
SDL.audios.push({
source: filename,
- audio: raw
+ audio: audio
});
return id;
},
@@ -1576,8 +1645,14 @@ var LibrarySDL = {
return SDL.setGetVolume(SDL.music, volume);
},
- Mix_LoadMUS: 'Mix_LoadWAV_RW',
Mix_LoadMUS_RW: 'Mix_LoadWAV_RW',
+ Mix_LoadMUS__deps: ['Mix_LoadMUS_RW', 'SDL_RWFromFile', 'SDL_FreeRW'],
+ Mix_LoadMUS: function(filename) {
+ var rwops = _SDL_RWFromFile(filename);
+ var result = _Mix_LoadMUS_RW(rwops);
+ _SDL_FreeRW(rwops);
+ return result;
+ },
Mix_FreeMusic: 'Mix_FreeChunk',
@@ -1769,6 +1844,11 @@ var LibrarySDL = {
return Math.floor(fontData.size*0.02); // XXX
},
+ TTF_FontHeight: function(font) {
+ var fontData = SDL.fonts[font];
+ return fontData.size;
+ },
+
// SDL gfx
$SDL_gfx: {
@@ -1975,9 +2055,24 @@ var LibrarySDL = {
// Misc
SDL_InitSubSystem: function(flags) { return 0 },
+ SDL_RWFromConstMem: function(mem, size) {
+ var id = SDL.rwops.length; // TODO: recycle ids when they are null
+ SDL.rwops.push({ bytes: mem, count: size });
+ return id;
+ },
- SDL_RWFromFile: function(filename, mode) {
- return filename; // XXX We just forward the filename
+ SDL_RWFromFile: function(_name, mode) {
+ var id = SDL.rwops.length; // TODO: recycle ids when they are null
+ var name = Pointer_stringify(_name)
+ SDL.rwops.push({ filename: name, mimetype: Browser.getMimetype(name) });
+ return id;
+ },
+
+ SDL_FreeRW: function(rwopsID) {
+ SDL.rwops[rwopsID] = null;
+ while (SDL.rwops.length > 0 && SDL.rwops[SDL.rwops.length-1] === null) {
+ SDL.rwops.pop();
+ }
},
SDL_EnableUNICODE: function(on) {
@@ -2004,7 +2099,6 @@ var LibrarySDL = {
SDL_GetThreadID: function() { throw 'SDL_GetThreadID' },
SDL_ThreadID: function() { throw 'SDL_ThreadID' },
SDL_AllocRW: function() { throw 'SDL_AllocRW: TODO' },
- SDL_FreeRW: function() { throw 'SDL_FreeRW: TODO' },
SDL_CondBroadcast: function() { throw 'SDL_CondBroadcast: TODO' },
SDL_CondWaitTimeout: function() { throw 'SDL_CondWaitTimeout: TODO' },
SDL_WM_IconifyWindow: function() { throw 'SDL_WM_IconifyWindow TODO' },