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GUI: piano note playback

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This commit is contained in:
tildearrow 2022-05-17 15:20:56 -05:00
parent f96d5b4e81
commit 72645e9e13
6 changed files with 150 additions and 24 deletions
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129
src/gui/piano.cpp
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@ -49,6 +49,9 @@ void FurnaceGUI::drawPiano() {
}
if (!pianoOpen) return;
if (ImGui::Begin("Piano",&pianoOpen,(pianoOptions)?0:ImGuiWindowFlags_NoTitleBar)) {
bool oldPianoKeyPressed[180];
memcpy(oldPianoKeyPressed,pianoKeyPressed,180*sizeof(bool));
memset(pianoKeyPressed,0,180*sizeof(bool));
if (ImGui::BeginTable("PianoLayout",pianoOptions?2:1,ImGuiTableFlags_BordersInnerV)) {
int& off=(e->isPlaying() || pianoSharePosition)?pianoOffset:pianoOffsetEdit;
int& oct=(e->isPlaying() || pianoSharePosition)?pianoOctaves:pianoOctavesEdit;
@ -116,12 +119,31 @@ void FurnaceGUI::drawPiano() {
if (ImGui::ItemAdd(rect,ImGui::GetID("pianoDisplay"))) {
if (view) {
int notes=oct*12;
// evaluate input
for (TouchPoint& i: activePoints) {
if (rect.Contains(ImVec2(i.x,i.y))) {
int note=(((i.x-rect.Min.x)/(rect.Max.x-rect.Min.x))*notes)+12*off;
if (note<0) continue;
if (note>=180) continue;
pianoKeyPressed[note]=true;
}
}
for (int i=0; i<notes; i++) {
int note=i+12*off;
if (note<0) continue;
if (note>=180) continue;
float pkh=pianoKeyHit[note]*0.5;
ImVec4 color=isTopKey[i%12]?ImVec4(pkh,pkh,pkh,1.0f):ImVec4(1.0f-pkh,1.0f-pkh,1.0f-pkh,1.0f);
float pkh=pianoKeyHit[note];
ImVec4 color=isTopKey[i%12]?uiColors[GUI_COLOR_PIANO_KEY_TOP]:uiColors[GUI_COLOR_PIANO_KEY_BOTTOM];
if (pianoKeyPressed[note]) {
color=isTopKey[i%12]?uiColors[GUI_COLOR_PIANO_KEY_TOP_ACTIVE]:uiColors[GUI_COLOR_PIANO_KEY_BOTTOM_ACTIVE];
} else {
ImVec4 colorHit=isTopKey[i%12]?uiColors[GUI_COLOR_PIANO_KEY_TOP_HIT]:uiColors[GUI_COLOR_PIANO_KEY_BOTTOM_HIT];
color.x+=(colorHit.x-color.x)*pkh;
color.y+=(colorHit.y-color.y)*pkh;
color.z+=(colorHit.z-color.z)*pkh;
color.w+=(colorHit.w-color.w)*pkh;
}
ImVec2 p0=ImLerp(rect.Min,rect.Max,ImVec2((float)i/notes,0.0f));
ImVec2 p1=ImLerp(rect.Min,rect.Max,ImVec2((float)(i+1)/notes,1.0f));
p1.x-=dpiScale;
@ -137,15 +159,61 @@ void FurnaceGUI::drawPiano() {
}
} else {
int bottomNotes=7*oct;
// evaluate input
for (TouchPoint& i: activePoints) {
if (rect.Contains(ImVec2(i.x,i.y))) {
// top
int o=((i.x-rect.Min.x)/(rect.Max.x-rect.Min.x))*oct;
ImVec2 op0=ImLerp(rect.Min,rect.Max,ImVec2((float)o/oct,0.0f));
ImVec2 op1=ImLerp(rect.Min,rect.Max,ImVec2((float)(o+1)/oct,1.0f));
bool foundTopKey=false;
for (int j=0; j<5; j++) {
int note=topKeyNotes[j]+12*(o+off);
if (note<0) continue;
if (note>=180) continue;
ImRect keyRect=ImRect(
ImLerp(op0,op1,ImVec2(topKeyStarts[j]-0.05f,0.0f)),
ImLerp(op0,op1,ImVec2(topKeyStarts[j]+0.05f,0.64f))
);
if (keyRect.Contains(ImVec2(i.x,i.y))) {
pianoKeyPressed[note]=true;
foundTopKey=true;
break;
}
}
if (foundTopKey) continue;
// bottom
int n=((i.x-rect.Min.x)/(rect.Max.x-rect.Min.x))*bottomNotes;
int note=bottomKeyNotes[n%7]+12*((n/7)+off);
if (note<0) continue;
if (note>=180) continue;
pianoKeyPressed[note]=true;
}
}
for (int i=0; i<bottomNotes; i++) {
int note=bottomKeyNotes[i%7]+12*((i/7)+off);
if (note<0) continue;
if (note>=180) continue;
float pkh=pianoKeyHit[note]*0.5;
ImVec4 color=ImVec4(1.0f-pkh,1.0f-pkh,1.0f-pkh,1.0f);
float pkh=pianoKeyHit[note];
ImVec4 color=uiColors[GUI_COLOR_PIANO_KEY_BOTTOM];
if (pianoKeyPressed[note]) {
color=uiColors[GUI_COLOR_PIANO_KEY_BOTTOM_ACTIVE];
} else {
ImVec4 colorHit=uiColors[GUI_COLOR_PIANO_KEY_BOTTOM_HIT];
color.x+=(colorHit.x-color.x)*pkh;
color.y+=(colorHit.y-color.y)*pkh;
color.z+=(colorHit.z-color.z)*pkh;
color.w+=(colorHit.w-color.w)*pkh;
}
ImVec2 p0=ImLerp(rect.Min,rect.Max,ImVec2((float)i/bottomNotes,0.0f));
ImVec2 p1=ImLerp(rect.Min,rect.Max,ImVec2((float)(i+1)/bottomNotes,1.0f));
p1.x-=dpiScale;
dl->AddRectFilled(p0,p1,ImGui::ColorConvertFloat4ToU32(color));
if ((i%7)==0) {
String label=fmt::sprintf("%d",(note-60)/12);
@ -165,11 +233,20 @@ void FurnaceGUI::drawPiano() {
int note=topKeyNotes[j]+12*(i+off);
if (note<0) continue;
if (note>=180) continue;
float pkh=pianoKeyHit[note]*0.5;
ImVec4 color=ImVec4(pkh,pkh,pkh,1.0f);
float pkh=pianoKeyHit[note];
ImVec4 color=uiColors[GUI_COLOR_PIANO_KEY_TOP];
if (pianoKeyPressed[note]) {
color=uiColors[GUI_COLOR_PIANO_KEY_TOP_ACTIVE];
} else {
ImVec4 colorHit=uiColors[GUI_COLOR_PIANO_KEY_TOP_HIT];
color.x+=(colorHit.x-color.x)*pkh;
color.y+=(colorHit.y-color.y)*pkh;
color.z+=(colorHit.z-color.z)*pkh;
color.w+=(colorHit.w-color.w)*pkh;
}
ImVec2 p0=ImLerp(op0,op1,ImVec2(topKeyStarts[j]-0.05f,0.0f));
ImVec2 p1=ImLerp(op0,op1,ImVec2(topKeyStarts[j]+0.05f,0.64f));
dl->AddRectFilled(p0,p1,0xff000000);
dl->AddRectFilled(p0,p1,ImGui::GetColorU32(uiColors[GUI_COLOR_PIANO_BACKGROUND]));
p0.x+=dpiScale;
p1.x-=dpiScale;
p1.y-=dpiScale;
@ -189,22 +266,32 @@ void FurnaceGUI::drawPiano() {
pianoOptions=!pianoOptions;
}
// first check released keys
for (int i=0; i<180; i++) {
int note=i-60;
if (!pianoKeyPressed[i]) {
if (pianoKeyPressed[i]!=oldPianoKeyPressed[i]) {
e->synchronized([this,note]() {
e->autoNoteOff(-1,note);
});
}
}
}
// then pressed ones
for (int i=0; i<180; i++) {
int note=i-60;
if (pianoKeyPressed[i]) {
if (pianoKeyPressed[i]!=oldPianoKeyPressed[i]) {
e->synchronized([this,note]() {
e->autoNoteOn(-1,curIns,note);
});
}
}
}
ImGui::EndTable();
}
/*
for (int i=0; i<e->getTotalChannelCount(); i++) {
DivChannelState* cs=e->getChanState(i);
if (cs->keyOn) {
const char* noteName=NULL;
if (cs->note<-60 || cs->note>120) {
noteName="???";
} else {
noteName=noteNames[cs->note+60];
}
ImGui::Text("%d: %s",i,noteName);
}
}*/
}
if (ImGui::IsWindowFocused(ImGuiFocusedFlags_ChildWindows)) curWindow=GUI_WINDOW_PIANO;
ImGui::End();
}
}