more work on FM synth code

src/synths/fm_2op.c

@@ -13,6 +13,7 @@
 
 #include "../common.h"
 #include "fm_2op.h"
+#include <stdlib.h>
 
 float fm2_process(struct FM2 *self, EngineState *t) {
     self->Carrier.gate=self->gate;
@@ -30,3 +31,14 @@ float fm2_process(struct FM2 *self, EngineState *t) {
 	break;
     }
 }
+
+FM2* fm2_new() {
+    FM2 *fm = malloc(sizeof(FM2));
+    fm->Carrier = *operator_new();
+    fm->Modulator = *operator_new();
+    fm->process = fm2_process;
+    fm->Algorithm = _fm2_1; // do what i mean value.
+    fm->gate = false;
+    
+    return fm;
+}

src/synths/fm_2op.h

@@ -38,10 +38,6 @@ typedef struct FM2 {
 } FM2;
 
 float fm2_process(struct FM2 *, EngineState *);
-
-
-
-
-
+FM2* fm2_new();
 
 #endif

src/synths/fm_core.c

@@ -15,6 +15,7 @@
 #include "../utils/envelope.h"
 #include "fm_core.h"
 #include <math.h>
+#include <stdlib.h>
 
 float core_fm_run(Operator* self, EngineState * t,float phase) {
     self->e.gate = self->gate;
@@ -25,3 +26,15 @@ float core_fm_run(Operator* self, EngineState * t,float phase) {
     return out;
 }
 
+Operator* operator_new() {
+    Operator *o = malloc(sizeof(Operator));
+    Envelope e = *envelope_new();
+    o->level = 1.0;
+    o->e = e;
+    o->gate = false;
+    o->feedback_level = 0.0;
+    o->run = core_fm_run
+    o->feedback_buffer = 0.0;
+    return o;
+}
+

src/synths/fm_core.h

@@ -27,5 +27,5 @@ typedef struct Operator {
     float(*run)(struct Operator*,EngineState *,float);
 } Operator;
 float core_fm_run(Operator*, EngineState *,float);
-
+Operator* operator_new();
 #endif