From b04fdf7f705d76405090a025c73774b4d50c0a49 Mon Sep 17 00:00:00 2001
From: Christian Colglazier <christian@cacolglazier.com>
Date: Sat, 26 Sep 2020 13:24:13 -0400
Subject: [PATCH] VCO title bar changes based on wave shape

---
 src/droplets/vco_droplet.cpp | 36 ++++++++++++++++++++++++++++++++++--
 src/droplets/vco_droplet.h   |  5 ++++-
 src/graphics/sprite.cpp      | 10 ++++++----
 src/graphics/wave.cpp        | 21 +++++++++++++++++++--
 src/graphics/wave.h          |  1 +
 5 files changed, 64 insertions(+), 9 deletions(-)

diff --git a/src/droplets/vco_droplet.cpp b/src/droplets/vco_droplet.cpp
index fa63d09..6f6c1a6 100644
--- a/src/droplets/vco_droplet.cpp
+++ b/src/droplets/vco_droplet.cpp
@@ -19,7 +19,7 @@ VCODroplet::VCODroplet(DaisyPatch* m_patch,
 }
 
 VCODroplet::~VCODroplet() {
-  delete wave;
+  //  delete wave;
 }
 
 void VCODroplet::Control() {}
@@ -51,10 +51,12 @@ void VCODroplet::Process(float** in, float** out, size_t size) {
 void VCODroplet::Draw() {
   WriteString(*Patch(), 0, 54, Font_6x8,
 	      WaveToString(wavectrl.Process()));
+  SetWaveState(wavectrl.Process());
   wave->DrawTile(*Patch(), GetScreenMin(), 0, GetScreenMax(), GetTitleHeight());
   if(NeedUpdate()) {
-    //wave->AdjustXShift(1);
+    wave->AdjustXShift(1);
   }
+  //testWave->DrawTile(*Patch(), 0, GetTitleHeight(), 60, GetTitleHeight()+testH);
   DrawName("VCO");
   AnimationInc();
 }
@@ -80,3 +82,33 @@ std::string VCODroplet::WaveToString(uint8_t wf) {
   }
   return "";
 }
+
+void VCODroplet::SetWaveState(uint8_t wf) {
+  switch(wf){
+  case Oscillator::WAVE_TRI:
+    wave->SetWaveShape(WaveShape::kTriangle);
+    return;
+  case Oscillator::WAVE_SQUARE:
+    wave->SetWaveShape(WaveShape::kSquare);
+    return;
+  case Oscillator::WAVE_SIN:
+    wave->SetWaveShape(WaveShape::kSine);
+    return;
+  case Oscillator::WAVE_SAW:
+    wave->SetWaveShape(WaveShape::kSaw);
+    return;
+  case Oscillator::WAVE_RAMP:
+    wave->SetWaveShape(WaveShape::kRamp);
+    return;
+  case Oscillator::WAVE_POLYBLEP_TRI:
+    wave->SetWaveShape(WaveShape::kTriangle);
+    return;
+  case Oscillator::WAVE_POLYBLEP_SQUARE:
+    wave->SetWaveShape(WaveShape::kSquare);
+    return;
+  default:
+  case Oscillator::WAVE_POLYBLEP_SAW:
+    wave->SetWaveShape(WaveShape::kSaw);
+    return;
+  }
+}
diff --git a/src/droplets/vco_droplet.h b/src/droplets/vco_droplet.h
index 41b77fe..5bf5082 100644
--- a/src/droplets/vco_droplet.h
+++ b/src/droplets/vco_droplet.h
@@ -20,9 +20,12 @@ private:
   Oscillator osc;
   Parameter freqctrl, wavectrl, ampctrl, finectrl;
   std::string WaveToString(uint8_t);
+  void SetWaveState(uint8_t);
   const double pi = std::acos(-1);
-  int sine_width = 20;
+  int sine_width = 21;
   Wave* wave = new Wave(WaveShape::kTriangle, sine_width, GetTitleHeight());
+  int testH = 20;
+  //Wave* testWave = new Wave(WaveShape::kSaw, 30, testH);
 public:
   VCODroplet(DaisyPatch*, DropletState, float);
   ~VCODroplet();
diff --git a/src/graphics/sprite.cpp b/src/graphics/sprite.cpp
index 3548a92..1afad58 100644
--- a/src/graphics/sprite.cpp
+++ b/src/graphics/sprite.cpp
@@ -20,7 +20,7 @@ Sprite::~Sprite() {
 }
 
 void Sprite::AddPixel(int x, int y, bool solid) {
-  sprite[x][y] = solid;
+  sprite[x][height-y-1] = solid;
 }
 
 void Sprite::AddLine(int x1,
@@ -65,7 +65,7 @@ void Sprite::Draw(DaisyPatch patch, int x, int y) {
     for (int h = 0; h < height; h++) {
       patch.display.DrawPixel(x+w, y+h,
 			      sprite[GetShiftArrayX(w)]
-			      [GetShiftArrayY(h)]);
+			      [GetShiftArrayY(height-h)]);
     }
   }
 }
@@ -79,10 +79,12 @@ void Sprite::DrawTile(DaisyPatch patch,
   int x_max = std::max(x1, x2);
   int y_min = std::min(y1, y2);
   int y_max = std::max(y1, y2);
+  int x, y;
   for (int w = x_min; w < x_max; w++) {
     for (int h = y_min; h < y_max; h++) {
-      patch.display.DrawPixel(w, h, sprite[GetShiftArrayX((w-x_min) % width)]
-			      [GetShiftArrayY((h-y_min+y_shift) % height)]);
+      x = GetShiftArrayX((w-x_min) % width);
+      y = GetShiftArrayY((h-y_min) % height);
+      patch.display.DrawPixel(w, h, sprite[x][y]);
     }
   }
 }
diff --git a/src/graphics/wave.cpp b/src/graphics/wave.cpp
index f2bc3cf..cfaec25 100644
--- a/src/graphics/wave.cpp
+++ b/src/graphics/wave.cpp
@@ -8,10 +8,22 @@ Wave::Wave(WaveShape m_wave, int width, int height) : Sprite(width, height) {
 void Wave::DrawShape() {
   SetBlank();
   int mid = GetWidth()/2;
+  int x_max = GetWidth()-1;
+  int y_max = GetHeight()-1;
   switch(wave) {
+  case WaveShape::kSaw:
+    AddLine(0, 0, x_max, y_max, true);
+    AddLine(x_max, y_max, x_max, 0, true);
+    return;
+  case WaveShape::kSquare:
+    AddLine(0, 0, mid, 0, true);
+    AddLine(mid, 0, mid, y_max, true);
+    AddLine(mid, y_max, x_max, y_max, true);
+    AddLine(GetWidth()-1, GetHeight()-1, GetWidth()-1, 0, true);
+    return;
   case WaveShape::kTriangle:
-    AddLine(0, GetHeight()+1, mid, 0, true);
-    AddLine(mid, 0, GetWidth()+1, GetHeight(), true);
+    AddLine(0, 0, mid, y_max, true);
+    AddLine(mid, y_max, x_max, 0, true);
     return;
   case WaveShape::kSine:
   default:
@@ -22,3 +34,8 @@ void Wave::DrawShape() {
     return;
   }
 }
+
+void Wave::SetWaveShape(WaveShape m_wave) {
+  wave = m_wave;
+  DrawShape();
+}
diff --git a/src/graphics/wave.h b/src/graphics/wave.h
index f635f0a..96d32db 100644
--- a/src/graphics/wave.h
+++ b/src/graphics/wave.h
@@ -14,6 +14,7 @@ class Wave: public Sprite {
   void DrawShape();
  public:
   Wave(WaveShape, int, int);
+  void SetWaveShape(WaveShape);
 };
 
 #endif