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command stream preset instruments/volumes

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This commit is contained in:
tildearrow 2025-11-10 18:27:45 -05:00
parent d3ce1a0b84
commit 92ad27f87e
5 changed files with 200 additions and 38 deletions
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34
src/engine/cmdStream.cpp
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@ -59,6 +59,14 @@ unsigned char* DivCSPlayer::getFastDelays() {
return fastDelays;
}
unsigned char* DivCSPlayer::getFastIns() {
return fastIns;
}
unsigned char* DivCSPlayer::getFastVols() {
return fastVols;
}
unsigned char* DivCSPlayer::getFastCmds() {
return fastCmds;
}
@ -110,9 +118,6 @@ bool DivCSPlayer::tick() {
e->dispatchCmd(DivCommand(DIV_CMD_NOTE_ON,i,(int)next-60));
chan[i].note=(int)next-60;
chan[i].vibratoPos=0;
} else if (next>=0xe0 && next<=0xef) {
command=fastCmds[next&15];
bAccessTS[fastCmdsOff+(next&15)]=curTick;
} else if (next>=0xf0) { // preset delay
chan[i].waitTicks=fastDelays[next&15];
chan[i].lastWaitLen=chan[i].waitTicks;
@ -205,13 +210,18 @@ bool DivCSPlayer::tick() {
e->dispatchCmd(DivCommand(DIV_CMD_PANNING,i,panL,panR));
break;
}
case 0xe0: case 0xe1: case 0xe2: case 0xe3:
case 0xe4: case 0xe5: case 0xe6: case 0xe7:
case 0xe8: case 0xe9: case 0xea: case 0xeb:
case 0xe0: case 0xe1: case 0xe2: case 0xe3: case 0xe4: case 0xe5:
e->dispatchCmd(DivCommand(DIV_CMD_INSTRUMENT,i,fastIns[next-0xe0]));
bAccessTS[fastInsOff+(next-0xe0)]=curTick;
break;
case 0xe6: case 0xe7: case 0xe8: case 0xe9: case 0xea: case 0xeb:
chan[i].volume=fastVols[next-0xe6]<<8;
bAccessTS[fastVolsOff+(next-0xe6)]=curTick;
sendVolume=true;
break;
case 0xec: case 0xed: case 0xee: case 0xef:
// TODO: remove as it has no effect
command=fastCmds[next&15];
command=fastCmds[next&3];
bAccessTS[fastCmdsOff+(next&3)]=curTick;
break;
case 0xd0: // placeholder
stream.readC();
@ -644,8 +654,12 @@ bool DivCSPlayer::init() {
fastDelaysOff=stream.tell();
stream.read(fastDelays,16);
fastInsOff=stream.tell();
stream.read(fastIns,6);
fastVolsOff=stream.tell();
stream.read(fastVols,6);
fastCmdsOff=stream.tell();
stream.read(fastCmds,16);
stream.read(fastCmds,4);
if (longPointers) {
for (unsigned int i=0; i<fileChans; i++) {