add notifyWaveChange

fixes #8

src/engine/dispatch.h

@@ -220,6 +220,11 @@ class DivDispatch {
      */
     virtual void notifyInsChange(int ins);
 
+    /**
+     * notify wavetable change.
+     */
+    virtual void notifyWaveChange(int wave);
+
     /**
      * notify deletion of an instrument.
      */

src/engine/engine.cpp

@@ -2214,6 +2214,14 @@ void DivEngine::notifyInsChange(int ins) {
   isBusy.unlock();
 }
 
+void DivEngine::notifyWaveChange(int wave) {
+  isBusy.lock();
+  for (int i=0; i<song.systemLen; i++) {
+    disCont[i].dispatch->notifyWaveChange(wave);
+  }
+  isBusy.unlock();
+}
+
 #ifdef _WIN32
 #define CONFIG_FILE "\\furnace.cfg"
 #else

src/engine/engine.h

@@ -221,6 +221,8 @@ class DivEngine {
     bool haltAudioFile();
     // notify instrument parameter change
     void notifyInsChange(int ins);
+    // notify wavetable change
+    void notifyWaveChange(int wave);
 
     // save config
     bool saveConf();

src/engine/platform/abstract.cpp

@@ -50,6 +50,10 @@ void DivDispatch::notifyInsChange(int ins) {
 
 }
 
+void DivDispatch::notifyWaveChange(int ins) {
+
+}
+
 void DivDispatch::notifyInsDeletion(void* ins) {
 
 }

src/engine/platform/amiga.cpp

@@ -219,6 +219,10 @@ void DivPlatformAmiga::notifyInsChange(int ins) {
   }
 }
 
+void DivPlatformAmiga::notifyWaveChange(int wave) {
+  // TODO when wavetables are added
+}
+
 void DivPlatformAmiga::notifyInsDeletion(void* ins) {
   for (int i=0; i<4; i++) {
     chan[i].std.notifyInsDeletion((DivInstrument*)ins);

src/engine/platform/amiga.h

@@ -55,6 +55,7 @@ class DivPlatformAmiga: public DivDispatch {
     bool keyOffAffectsArp(int ch);
     void setPAL(bool pal);
     void notifyInsChange(int ins);
+    void notifyWaveChange(int wave);
     void notifyInsDeletion(void* ins);
     int init(DivEngine* parent, int channels, int sugRate, bool pal);
     void quit();

src/engine/platform/gb.cpp

@@ -324,6 +324,13 @@ void DivPlatformGB::notifyInsChange(int ins) {
   }
 }
 
+void DivPlatformGB::notifyWaveChange(int wave) {
+  if (chan[2].wave==wave) {
+    updateWave();
+    if (!chan[2].keyOff) chan[2].keyOn=true;
+  }
+}
+
 void DivPlatformGB::notifyInsDeletion(void* ins) {
   for (int i=0; i<4; i++) {
     chan[i].std.notifyInsDeletion((DivInstrument*)ins);

src/engine/platform/gb.h

@@ -46,6 +46,7 @@ class DivPlatformGB: public DivDispatch {
     void muteChannel(int ch, bool mute);
     bool isStereo();
     void notifyInsChange(int ins);
+    void notifyWaveChange(int wave);
     void notifyInsDeletion(void* ins);
     int init(DivEngine* parent, int channels, int sugRate, bool pal);
     void quit();

src/engine/platform/pce.cpp

@@ -313,6 +313,14 @@ bool DivPlatformPCE::keyOffAffectsArp(int ch) {
   return true;
 }
 
+void DivPlatformPCE::notifyWaveChange(int wave) {
+  for (int i=0; i<6; i++) {
+    if (chan[i].wave==wave) {
+      updateWave(i);
+    }
+  }
+}
+
 void DivPlatformPCE::notifyInsDeletion(void* ins) {
   for (int i=0; i<6; i++) {
     chan[i].std.notifyInsDeletion((DivInstrument*)ins);

src/engine/platform/pce.h

@@ -65,6 +65,7 @@ class DivPlatformPCE: public DivDispatch {
     bool isStereo();
     bool keyOffAffectsArp(int ch);
     void setPAL(bool pal);
+    void notifyWaveChange(int wave);
     void notifyInsDeletion(void* ins);
     int init(DivEngine* parent, int channels, int sugRate, bool pal);
     void quit();

src/gui/gui.cpp

@@ -1132,6 +1132,8 @@ void FurnaceGUI::drawWaveEdit() {
       if (ImGui::InputInt("##_WTW",&wave->len,1,2)) {
         if (wave->len>256) wave->len=256;
         if (wave->len<1) wave->len=1;
+        e->notifyWaveChange(curWave);
+        modified=true;
       }
       ImGui::SameLine();
       ImGui::Text("Height");
@@ -1143,6 +1145,8 @@ void FurnaceGUI::drawWaveEdit() {
       if (ImGui::InputInt("##_WTH",&wave->max,1,2)) {
         if (wave->max>255) wave->max=255;
         if (wave->max<1) wave->max=1;
+        e->notifyWaveChange(curWave);
+        modified=true;
       }
       for (int i=0; i<wave->len; i++) {
         wavePreview[i]=wave->data[i];
@@ -1160,6 +1164,8 @@ void FurnaceGUI::drawWaveEdit() {
         waveDragActive=true;
         waveDragTarget=wave->data;
         processDrags(ImGui::GetMousePos().x,ImGui::GetMousePos().y);
+        e->notifyWaveChange(curWave);
+        modified=true;
       }
       ImGui::PopStyleVar();
     }
@@ -3026,6 +3032,8 @@ void FurnaceGUI::processDrags(int dragX, int dragY) {
       if (y>waveDragMax) y=waveDragMax;
       if (y<waveDragMin) y=waveDragMin;
       waveDragTarget[x]=y;
+      e->notifyWaveChange(curWave);
+      modified=true;
     }
   }
 }