Demos/jsxm
Watch
1
0
Fork
You've already forked jsxm
 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

fix loading issues

Browse source
This commit is contained in:
Andy Sloane 2015-10-28 12:40:14 -07:00
commit 84369dbc2c
1 changed files with 25 additions and 24 deletions
Download patch file Download diff file Expand all files Collapse all files

49
xm.js
View file

@ -182,15 +182,10 @@ function next_row() {
ch.period = PeriodForNote(ch, note);
}
}
var debug = document.getElementById("debug");
debug.innerHTML = 'pat ' + cur_pat + ' row ' + (cur_row-1);
var pat = document.getElementById("pattern");
patdisplay.push(pretty_row.join(" "));
if (patdisplay.length > 16) {
patdisplay.shift();
}
pat.innerHTML = patdisplay.join("\n");
}
function Envelope(points, type, sustain, loopstart, loopend) {
@ -421,6 +416,11 @@ function audio_cb(e) {
var y = -Math.log(rms)*10;
ctx.fillRect(j*16, y, 15, 64-y);
}
var debug = document.getElementById("debug");
debug.innerHTML = 'pat ' + cur_pat + ' row ' + (cur_row-1);
var pat = document.getElementById("pattern");
pat.innerHTML = patdisplay.join("\n");
}
function eff_t0_0(ch, data) { // arpeggio
@ -504,7 +504,7 @@ var effects_t0 = [ // effect functions on tick 0
];
function eff_t1_0(ch) { // arpeggio
if (ch.effectdata != 0) {
if (ch.effectdata != 0 && ch.inst != undefined) {
var arpeggio = [0, ch.effectdata>>4, ch.effectdata&15];
var note = ch.note + arpeggio[cur_tick % 3];
ch.period = PeriodForNote(ch, note);
@ -691,25 +691,25 @@ function playXM(arrayBuf) {
var hdrsiz = dv.getUint32(idx, true);
var instname = getstring(dv, idx+0x4, 22);
var nsamp = dv.getUint16(idx+0x1b, true);
var env_nvol = dv.getUint8(idx+225);
var env_vol_type = dv.getUint8(idx+233);
var env_vol_sustain = dv.getUint8(idx+227);
var env_vol_loop_start = dv.getUint8(idx+228);
var env_vol_loop_end = dv.getUint8(idx+229);
var env_npan = dv.getUint8(idx+226);
var env_pan_type = dv.getUint8(idx+234);
var env_pan_sustain = dv.getUint8(idx+230);
var env_pan_loop_start = dv.getUint8(idx+231);
var env_pan_loop_end = dv.getUint8(idx+232);
env_vol = [];
for (var j = 0; j < env_nvol*2; j++) {
env_vol.push(dv.getUint16(idx+129+j*2, true));
}
env_pan = [];
for (var j = 0; j < env_npan*2; j++) {
env_pan.push(dv.getUint16(idx+177+j*2, true));
}
if (nsamp > 0) {
var env_nvol = dv.getUint8(idx+225);
var env_vol_type = dv.getUint8(idx+233);
var env_vol_sustain = dv.getUint8(idx+227);
var env_vol_loop_start = dv.getUint8(idx+228);
var env_vol_loop_end = dv.getUint8(idx+229);
var env_npan = dv.getUint8(idx+226);
var env_pan_type = dv.getUint8(idx+234);
var env_pan_sustain = dv.getUint8(idx+230);
var env_pan_loop_start = dv.getUint8(idx+231);
var env_pan_loop_end = dv.getUint8(idx+232);
var env_vol = [];
for (var j = 0; j < env_nvol*2; j++) {
env_vol.push(dv.getUint16(idx+129+j*2, true));
}
var env_pan = [];
for (var j = 0; j < env_npan*2; j++) {
env_pan.push(dv.getUint16(idx+177+j*2, true));
}
// FIXME: ignoring keymaps for now and assuming 1 sample / instrument
// var keymap = getarray(dv, idx+0x21);
var samphdrsiz = dv.getUint32(idx+0x1d, true);
@ -772,6 +772,7 @@ function playXM(arrayBuf) {
instruments.push(inst);
} else {
idx += hdrsiz;
console.log("empty instrument", i, hdrsiz, idx);
instruments.push(null);
}
}