From 5f299996df57e715efae86ca46b0b2395b191731 Mon Sep 17 00:00:00 2001
From: Eknous-P <ehovakimyan053@gmail.com>
Date: Sun, 8 Dec 2024 23:36:03 +0400
Subject: [PATCH] create sample from wavetable action

---
 src/gui/doAction.cpp | 32 ++++++++++++++++++++++++++++++++
 src/gui/gui.h        |  1 +
 src/gui/guiConst.cpp |  1 +
 src/gui/waveEdit.cpp |  7 +++++++
 4 files changed, 41 insertions(+)

diff --git a/src/gui/doAction.cpp b/src/gui/doAction.cpp
index 7849d4ee3..1229bb856 100644
--- a/src/gui/doAction.cpp
+++ b/src/gui/doAction.cpp
@@ -883,6 +883,38 @@ void FurnaceGUI::doAction(int what) {
     case GUI_ACTION_WAVE_LIST_SAVE_RAW:
       if (curWave>=0 && curWave<(int)e->song.wave.size()) openFileDialog(GUI_FILE_WAVE_SAVE_RAW);
       break;
+    case GUI_ACTION_WAVE_LIST_CREATE_SAMPLE:
+      if (curWave>=0 && curWave<(int)e->song.wave.size()) {
+        DivSample* prevSample=e->getSample(curSample);
+        curSample=e->addSample();
+        if (curSample==-1) {
+          showError(_("too many samples!"));
+        } else {
+          e->lockEngine([this,prevSample]() {
+            DivSample* sample=e->getSample(curSample);
+            if (sample!=NULL) {
+              unsigned int waveLen=e->song.wave[curWave]->len;
+              sample->rate=(int)round(261.343f*waveLen); // c3
+              sample->centerRate=(int)round(261.343f*waveLen); // c3
+              sample->loopStart=0;
+              sample->loopEnd=waveLen;
+              sample->loop=true;
+              sample->loopMode=(DivSampleLoopMode)0;
+              sample->depth=(DivSampleDepth)8;
+              if (sample->init(waveLen)) {
+                for (unsigned short i=0; i<waveLen; i++) {
+                  sample->data8[i]=e->song.wave[curWave]->data[i]-waveLen/2;
+                }
+              }
+            }
+            e->renderSamples();
+          });
+          wantScrollListSample=true;
+          MARK_MODIFIED;
+        }
+        updateSampleTex=true;
+      }
+      break;
     case GUI_ACTION_WAVE_LIST_MOVE_UP:
       if (e->moveWaveUp(curWave)) {
         curWave--;
diff --git a/src/gui/gui.h b/src/gui/gui.h
index e3f7dee22..0757db41a 100644
--- a/src/gui/gui.h
+++ b/src/gui/gui.h
@@ -854,6 +854,7 @@ enum FurnaceGUIActions {
   GUI_ACTION_WAVE_LIST_SAVE,
   GUI_ACTION_WAVE_LIST_SAVE_DMW,
   GUI_ACTION_WAVE_LIST_SAVE_RAW,
+  GUI_ACTION_WAVE_LIST_CREATE_SAMPLE,
   GUI_ACTION_WAVE_LIST_MOVE_UP,
   GUI_ACTION_WAVE_LIST_MOVE_DOWN,
   GUI_ACTION_WAVE_LIST_DELETE,
diff --git a/src/gui/guiConst.cpp b/src/gui/guiConst.cpp
index 8635b6929..06147c3fa 100644
--- a/src/gui/guiConst.cpp
+++ b/src/gui/guiConst.cpp
@@ -758,6 +758,7 @@ const FurnaceGUIActionDef guiActions[GUI_ACTION_MAX]={
   D("WAVE_LIST_SAVE", _N("Save wavetable"), 0),
   D("WAVE_LIST_SAVE_DMW", _N("Save wavetable (.dmw)"), 0),
   D("WAVE_LIST_SAVE_RAW", _N("Save wavetable (raw)"), 0),
+  D("WAVE_LIST_CREATE_SAMPLE", _N("Create sample from wavetable"),0),
   D("WAVE_LIST_MOVE_UP", _N("Move wavetable up in list"), FURKMOD_SHIFT|SDLK_UP),
   D("WAVE_LIST_MOVE_DOWN", _N("Move wavetable down in list"), FURKMOD_SHIFT|SDLK_DOWN),
   D("WAVE_LIST_DELETE", _N("Delete wavetable"), 0),
diff --git a/src/gui/waveEdit.cpp b/src/gui/waveEdit.cpp
index 1cda66865..ba2a3446b 100644
--- a/src/gui/waveEdit.cpp
+++ b/src/gui/waveEdit.cpp
@@ -379,6 +379,13 @@ void FurnaceGUI::drawWaveEdit() {
           ImGui::EndPopup();
         }
         ImGui::SameLine();
+        if (ImGui::Button(ICON_FA_UPLOAD)) {
+          doAction(GUI_ACTION_WAVE_LIST_CREATE_SAMPLE);
+        }
+        if (ImGui::IsItemHovered()) {
+          ImGui::SetTooltip(_("create sample from wavetable"));
+        }
+        ImGui::SameLine();
 
         if (ImGui::RadioButton(_("Steps"),waveEditStyle==0)) {
           waveEditStyle=0;