void save_switch(int dest, FunctionSwitch switch_type, int thold_sw)
{
struct Mixer mix[4];
struct Mixer thold;
int use_thold = 0;
int i;
int sw = INPUT_GetFirstSwitch(mapped_std_channels.switches[switch_type]);
int count = MIXER_GetMixers(dest, mix, 4);
if(! count)
return;
if(thold_sw && count > 2 && mix[1].sw != mix[count-1].sw) {
//Pitch uses thold
thold = mix[count-1];
use_thold = 1;
}
mix[0].sw = 0;
for(i = 1; i < INPUT_NumSwitchPos(sw); i++) {
if(i >= count)
mix[i] = mix[i-1];
mix[i].sw = sw + i;
}
if (use_thold) {
mix[i] = thold;
mix[i].sw = 0x80 | thold_sw;
i++;
}
MIXER_SetMixers(mix, i);
}
void fix_mixer_dependencies(unsigned mixer_count)
{
unsigned dependencies[NUM_SOURCES];
unsigned placed[NUM_SOURCES];
unsigned pos = 0;
unsigned last_count = 0;
unsigned i;
struct Mixer mixers[NUM_MIXERS];
memset(mixers, 0, sizeof(mixers));
for (i = 0; i < NUM_MIXERS; i++) {
mixers[i].src = 0;
}
memset(placed, 0, sizeof(placed));
while(mixer_count || last_count != mixer_count) {
last_count = mixer_count;
for (i = 0; i < NUM_SOURCES; i++) {
if (placed[i])
continue;
if (! find_dependencies(i, dependencies)) {
placed[i] = 1;
continue;
}
unsigned ok = 1;
unsigned j;
// determine if all dependencies have been placed
for (j = 0; j < NUM_SOURCES; j++) {
if (dependencies[i] && ! placed[i]) {
ok = 0;
break;
}
}
if (ok) {
unsigned num = MIXER_GetMixers(i, &mixers[pos], NUM_MIXERS);
pos += num;
mixer_count -= num;
placed[i] = 1;
}
}
}
//mixer_count s gauranteed to be 0 when we get here
//if (mixer_count) {
// printf("Could not place all mixers!\n");
// return;
//}
for (i = 0; i < NUM_MIXERS; i++)
Model.mixers[i] = mixers[i];
}
