juicysfplugin/modules/juce_blocks_basics/visualisers/juce_DrumPadLEDProgram.cpp

882 lines
27 KiB
C++

/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2017 - ROLI Ltd.
JUCE is an open source library subject to commercial or open-source
licensing.
The code included in this file is provided under the terms of the ISC license
http://www.isc.org/downloads/software-support-policy/isc-license. Permission
To use, copy, modify, and/or distribute this software for any purpose with or
without fee is hereby granted provided that the above copyright notice and
this permission notice appear in all copies.
JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
DISCLAIMED.
==============================================================================
*/
namespace juce
{
DrumPadGridProgram::DrumPadGridProgram (Block& b) : Program (b) {}
int DrumPadGridProgram::getPadIndex (float posX, float posY) const
{
posX = juce::jmin (0.99f, posX / block.getWidth());
posY = juce::jmin (0.99f, posY / block.getHeight());
const uint32 offset = block.getDataByte (visiblePads_byte) ? numColumns1_byte : numColumns0_byte;
const int numColumns = block.getDataByte (offset + numColumns0_byte);
const int numRows = block.getDataByte (offset + numRows0_byte);
return int (posX * numColumns) + int (posY * numRows) * numColumns;
}
void DrumPadGridProgram::startTouch (float startX, float startY)
{
const auto padIdx = getPadIndex (startX, startY);
for (size_t i = 0; i < 4; ++i)
{
if (block.getDataByte (touchedPads_byte + i) == 0)
{
block.setDataByte (touchedPads_byte + i, static_cast<uint8> (padIdx + 1));
break;
}
}
}
void DrumPadGridProgram::endTouch (float startX, float startY)
{
const auto padIdx = getPadIndex (startX, startY);
for (size_t i = 0; i < 4; ++i)
if (block.getDataByte (touchedPads_byte + i) == (padIdx + 1))
block.setDataByte (touchedPads_byte + i, 0);
}
void DrumPadGridProgram::sendTouch (float x, float y, float z, LEDColour colour)
{
Block::ProgramEventMessage e;
e.values[0] = 0x20000000
+ (juce::jlimit (0, 255, juce::roundToInt (x * (255.0f / block.getWidth()))) << 16)
+ (juce::jlimit (0, 255, juce::roundToInt (y * (255.0f / block.getHeight()))) << 8)
+ juce::jlimit (0, 255, juce::roundToInt (z * 255.0f));
e.values[1] = (int32) colour.getARGB();
block.sendProgramEvent (e);
}
//==============================================================================
void DrumPadGridProgram::setGridFills (int numColumns, int numRows, const juce::Array<GridFill>& fills)
{
uint8 visiblePads = block.getDataByte (visiblePads_byte);
setGridFills (numColumns, numRows, fills, visiblePads * numColumns1_byte);
}
void DrumPadGridProgram::setGridFills (int numColumns, int numRows, const juce::Array<GridFill>& fills, uint32 byteOffset)
{
jassert (numColumns * numRows == fills.size());
block.setDataByte (byteOffset + numColumns0_byte, (uint8) numColumns);
block.setDataByte (byteOffset + numRows0_byte, (uint8) numRows);
uint32 i = 0;
for (auto fill : fills)
{
if (i >= maxNumPads)
{
jassertfalse;
break;
}
const uint32 colourOffsetBytes = byteOffset + colours0_byte + i * colourSizeBytes;
const uint32 colourOffsetBits = colourOffsetBytes * 8;
block.setDataBits (colourOffsetBits, 5, fill.colour.getRed() >> 3);
block.setDataBits (colourOffsetBits + 5, 6, fill.colour.getGreen() >> 2);
block.setDataBits (colourOffsetBits + 11, 5, fill.colour.getBlue() >> 3);
block.setDataByte (byteOffset + fillTypes0_byte + i, static_cast<uint8> (fill.fillType));
++i;
}
}
void DrumPadGridProgram::triggerSlideTransition (int newNumColumns, int newNumRows,
const juce::Array<GridFill>& newFills, SlideDirection direction)
{
uint8 newVisible = block.getDataByte (visiblePads_byte) ? 0 : 1;
setGridFills (newNumColumns, newNumRows, newFills, newVisible * numColumns1_byte);
block.setDataByte (visiblePads_byte, newVisible);
block.setDataByte (slideDirection_byte, (uint8) direction);
}
//==============================================================================
void DrumPadGridProgram::setPadAnimationState (uint32 padIdx, double loopTimeSecs, double currentProgress)
{
// Only 16 animated pads are supported.
jassert (padIdx < 16);
// Compensate for bluetooth latency & led resolution, tweaked by eye for POS app.
currentProgress = std::fmod (currentProgress + 0.1, 1.0);
uint16 aniValue = uint16 (juce::roundToInt ((255 << 8) * currentProgress));
uint16 aniIncrement = loopTimeSecs > 0.0 ? uint16 (juce::roundToInt (((255 << 8) / 25.0) / loopTimeSecs)) : 0;
uint32 offset = 8 * animationTimers_byte + 32 * padIdx;
block.setDataBits (offset, 16, aniValue);
block.setDataBits (offset + 16, 16, aniIncrement);
}
void DrumPadGridProgram::suspendAnimations()
{
for (uint32 i = 0; i < 16; ++i)
{
uint32 offset = 8 * animationTimers_byte + 32 * i;
block.setDataBits (offset + 16, 16, 0);
}
// Hijack touch dimming
block.setDataByte (touchedPads_byte, 255);
}
void DrumPadGridProgram::resumeAnimations()
{
// Unhijack touch dimming
block.setDataByte (touchedPads_byte, 0);
}
//==============================================================================
juce::String DrumPadGridProgram::getLittleFootProgram()
{
if (block.versionNumber.isEmpty() || block.versionNumber.compare ("0.2.5") < 0)
return getLittleFootProgramPre25();
return getLittleFootProgramPost25();
}
juce::String DrumPadGridProgram::getLittleFootProgramPre25() const
{
// Uses its own heatmap, not the one provided in newer firmware
// Also can't use blocks config, introduced in 2.5.
return R"littlefoot(
#heapsize: 1351
int dimFactor;
int dimDelay;
int slideAnimationProgress;
int lastVisiblePads;
int getGridColour (int index, int colourMapOffset)
{
int bit = (2 + colourMapOffset) * 8 + index * 16;
return makeARGB (255,
getHeapBits (bit, 5) << 3,
getHeapBits (bit + 5, 6) << 2,
getHeapBits (bit + 11, 5) << 3);
}
// Returns the current progress and also increments it for next frame
int getAnimationProgress (int index)
{
// Only 16 animated pads supported
if (index > 15)
return 0;
int offsetBits = 162 * 8 + index * 32;
int currentProgress = getHeapBits (offsetBits, 16);
int increment = getHeapBits (offsetBits + 16, 16);
int nextFrame = currentProgress + increment;
// Set incremented 16 bit number.
setHeapByte (162 + index * 4, nextFrame & 0xff);
setHeapByte (163 + index * 4, nextFrame >> 8);
return currentProgress;
}
void outlineRect (int colour, int x, int y, int w)
{
fillRect (colour, x, y, w, 1);
fillRect (colour, x, y + w - 1, w, 1);
fillRect (colour, x, y + 1, 1, w - 1);
fillRect (colour, x + w - 1, y + 1, 1, w - 1);
}
void drawPlus (int colour, int x, int y, int w)
{
fillRect (colour, x, y + (w / 2), w, 1);
fillRect (colour, x + (w / 2), y, 1, w);
}
void fillGradientRect (int colour, int x, int y, int w)
{
if (colour != 0xff000000)
{
int divisor = w + w - 1;
for (int yy = 0; yy < w; ++yy)
{
for (int xx = yy; xx < w; ++xx)
{
int gradColour = blendARGB (colour, makeARGB (((xx + yy) * 250) / divisor, 0, 0, 0));
setLED (x + xx, y + yy, gradColour);
setLED (x + yy, y + xx, gradColour);
}
}
}
}
// TODO: Tom M: This is massaged to work with 3x3 pads and for dots to sync
// with Apple POS loop length. Rework to be more robust & flexible.
void drawPizzaLED (int colour, int x, int y, int w, int progress)
{
--w;
x += 1;
int numToDo = ((8 * progress) / 255) + 1;
int totalLen = w * 4;
for (int i = 1; i <= numToDo; ++i)
{
setLED (x, y, colour);
if (i < w)
++x;
else if (i < (w * 2))
++y;
else if (i < (w * 3))
--x;
else if (i < totalLen)
--y;
}
}
void drawPad (int padX, int padY, int padW,
int colour, int fill, int animateProgress)
{
animateProgress >>= 8; // 16 bit to 8 bit
int halfW = padW / 2;
if (fill == 0) // Gradient fill
{
fillGradientRect (colour, padX, padY, padW);
}
else if (fill == 1) // Filled
{
fillRect (colour, padX, padY, padW, padW);
}
else if (fill == 2) // Hollow
{
outlineRect (colour, padX, padY, padW);
}
else if (fill == 3) // Hollow with plus
{
outlineRect (colour, padX, padY, padW);
drawPlus (0xffffffff, padX, padY, padW);
}
else if (fill == 4) // Pulsing dot
{
int pulseCol = blendARGB (colour, makeARGB (animateProgress, 0, 0, 0));
setLED (padX + halfW, padY + halfW, pulseCol);
}
else if (fill == 5) // Blinking dot
{
int blinkCol = animateProgress > 64 ? makeARGB (255, 0, 0, 0) : colour;
setLED (padX + halfW, padY + halfW, blinkCol);
}
else if (fill == 6) // Pizza filled
{
outlineRect (blendARGB (colour, makeARGB (220, 0, 0, 0)), padX, padY, padW); // Dim outline
setLED (padX + halfW, padY + halfW, colour); // Bright centre
drawPizzaLED (colour, padX, padY, padW, animateProgress);
}
else if (fill == 7) // Pizza hollow
{
outlineRect (blendARGB (colour, makeARGB (220, 0, 0, 0)), padX, padY, padW); // Dim outline
drawPizzaLED (colour, padX, padY, padW, animateProgress);
return;
}
}
void fadeHeatMap()
{
for (int i = 0; i < 225; ++i)
{
int colourOffset = 226 + i * 4;
int colour = getHeapInt (colourOffset);
int alpha = (colour >> 24) & 0xff;
if (alpha > 0)
{
alpha -= getHeapByte (1126 + i);
setHeapInt (colourOffset, alpha < 0 ? 0 : ((alpha << 24) | (colour & 0xffffff)));
}
}
}
void addToHeatMap (int x, int y, int colour)
{
if (x >= 0 && y >= 0 && x < 15 && y < 15)
{
int offset = 226 + 4 * (x + y * 15);
colour = blendARGB (getHeapInt (offset), colour);
setHeapInt (offset, colour);
int decay = ((colour >> 24) & 0xff) / 14; // change divisor to change trail times
offset = 1126 + (x + y * 15);
setHeapByte (offset, decay > 0 ? decay : 1);
}
}
int getHeatmapColour (int x, int y)
{
return getHeapInt (226 + 4 * (x + y * 15));
}
int isPadActive (int index)
{
if (getHeapInt (158) == 0) // None active
return 0;
++index;
return index == getHeapByte (158) ||
index == getHeapByte (159) ||
index == getHeapByte (160) ||
index == getHeapByte (161);
}
void updateDimFactor()
{
if (getHeapInt (158) == 0)
{
if (--dimDelay <= 0)
{
dimFactor -= 12;
if (dimFactor < 0)
dimFactor = 0;
}
}
else
{
dimFactor = 180;
dimDelay = 12;
}
}
void drawPads (int offsetX, int offsetY, int colourMapOffset)
{
int padsPerSide = getHeapByte (0 + colourMapOffset);
if (padsPerSide < 2)
return;
int blockW = 15 / padsPerSide;
int blockPlusGapW = blockW + (15 - padsPerSide * blockW) / (padsPerSide - 1);
for (int padY = 0; padY < padsPerSide; ++padY)
{
for (int padX = 0; padX < padsPerSide; ++padX)
{
int ledX = offsetX + padX * blockPlusGapW;
int ledY = offsetY + padY * blockPlusGapW;
if (ledX < 15 &&
ledY < 15 &&
(ledX + blockW) >= 0 &&
(ledY + blockW) >= 0)
{
int padIdx = padX + padY * padsPerSide;
bool padActive = isPadActive (padIdx);
int blendCol = padActive ? 255 : 0;
int blendAmt = padActive ? dimFactor >> 1 : dimFactor;
int colour = blendARGB (getGridColour (padIdx, colourMapOffset),
makeARGB (blendAmt, blendCol, blendCol, blendCol));
int fillType = getHeapByte (colourMapOffset + 52 + padIdx);
int animate = getAnimationProgress (padIdx);
drawPad (ledX, ledY, blockW, colour, fillType, animate);
}
}
}
}
void slideAnimatePads()
{
int nowVisible = getHeapByte (155);
if (lastVisiblePads != nowVisible)
{
lastVisiblePads = nowVisible;
if (slideAnimationProgress <= 0)
slideAnimationProgress = 15;
}
// If animation is complete, draw normally.
if (slideAnimationProgress <= 0)
{
drawPads (0, 0, 78 * nowVisible);
slideAnimationProgress = 0;
}
else
{
int direction = getHeapByte (156);
slideAnimationProgress -= 1;
int inPos = nowVisible == 0 ? 0 : 78;
int outPos = nowVisible == 0 ? 78 : 0;
if (direction == 0) // Up
{
drawPads (0, slideAnimationProgress - 16, outPos);
drawPads (0, slideAnimationProgress, inPos);
}
else if (direction == 1) // Down
{
drawPads (0, 16 - slideAnimationProgress, outPos);
drawPads (0, 0 - slideAnimationProgress, inPos);
}
else if (direction == 2) // Left
{
drawPads (16 - slideAnimationProgress, 0, outPos);
drawPads (slideAnimationProgress, 0, inPos);
}
else if (direction == 3) // Right
{
drawPads (16 - slideAnimationProgress, 0, outPos);
drawPads (0 - slideAnimationProgress, 0, inPos);
}
else // None
{
drawPads (0, 0, 78 * nowVisible);
slideAnimationProgress = 0;
}
}
}
void repaint()
{
// showErrorOnFail, showRepaintTime, showMovingDot
//enableDebug (true, true, false);
// Clear LEDs to black, update dim animation
fillRect (0xff000000, 0, 0, 15, 15);
updateDimFactor();
// Does the main painting of pads
slideAnimatePads();
// Overlay heatmap
for (int y = 0; y < 15; ++y)
for (int x = 0; x < 15; ++x)
blendLED (x, y, getHeatmapColour (x, y));
fadeHeatMap();
}
// DrumPadGridProgram::sendTouch results in this callback, giving
// us more touch updates per frame and therefore smoother trails.
void handleMessage (int pos, int colour, int xx)
{
handleMessage (pos, colour);
}
void handleMessage (int pos, int colour)
{
if ((pos >> 24) != 0x20)
return;
int tx = ((pos >> 16) & 0xff) - 13;
int ty = ((pos >> 8) & 0xff) - 13;
int tz = pos & 0xff;
tz = tz > 30 ? tz : 30;
int ledCentreX = tx >> 4;
int ledCentreY = ty >> 4;
int adjustX = (tx - (ledCentreX << 4)) >> 2;
int adjustY = (ty - (ledCentreY << 4)) >> 2;
for (int dy = -2; dy <= 2; ++dy)
{
for (int dx = -2; dx <= 2; ++dx)
{
int distance = dx * dx + dy * dy;
int level = distance == 0 ? 255 : (distance == 1 ? 132 : (distance < 5 ? 9 : (distance == 5 ? 2 : 0)));
level += (dx * adjustX);
level += (dy * adjustY);
level = (tz * level) >> 8;
if (level > 0)
addToHeatMap (ledCentreX + dx, ledCentreY + dy,
makeARGB (level, colour >> 16, colour >> 8, colour));
}
}
}
)littlefoot";
}
juce::String DrumPadGridProgram::getLittleFootProgramPost25() const
{
// Uses heatmap provided in firmware (so the program's smaller)
// Initialises config items introduced in firmware 2.5
return R"littlefoot(
#heapsize: 256
int dimFactor;
int dimDelay;
int slideAnimationProgress;
int lastVisiblePads;
bool gammaCorrected;
void initialise()
{
for (int i = 0; i < 32; ++i)
setLocalConfigActiveState (i, true, true);
// Enable gamma correction if supported on hardware
setLocalConfig (33, 1);
gammaCorrected = getLocalConfig (33) > 0;
}
int getGridColour (int index, int colourMapOffset)
{
int bit = (2 + colourMapOffset) * 8 + index * 16;
return makeARGB (255,
getHeapBits (bit, 5) << 3,
getHeapBits (bit + 5, 6) << 2,
getHeapBits (bit + 11, 5) << 3);
}
// Returns the current progress and also increments it for next frame
int getAnimationProgress (int index)
{
// Only 16 animated pads supported
if (index > 15)
return 0;
int offsetBits = 162 * 8 + index * 32;
int currentProgress = getHeapBits (offsetBits, 16);
int increment = getHeapBits (offsetBits + 16, 16);
int nextFrame = currentProgress + increment;
// Set incremented 16 bit number.
setHeapByte (162 + index * 4, nextFrame & 0xff);
setHeapByte (163 + index * 4, nextFrame >> 8);
return currentProgress;
}
void outlineRect (int colour, int x, int y, int w)
{
fillRect (colour, x, y, w, 1);
fillRect (colour, x, y + w - 1, w, 1);
fillRect (colour, x, y + 1, 1, w - 1);
fillRect (colour, x + w - 1, y + 1, 1, w - 1);
}
void drawPlus (int colour, int x, int y, int w)
{
fillRect (colour, x, y + (w / 2), w, 1);
fillRect (colour, x + (w / 2), y, 1, w);
}
void fillGradientRect (int colour, int x, int y, int w)
{
if (colour != 0xff000000)
{
int divisor = w + w - 1;
for (int yy = 0; yy < w; ++yy)
{
for (int xx = yy; xx < w; ++xx)
{
int gradColour = blendARGB (colour, makeARGB (((xx + yy) * 250) / divisor, 0, 0, 0));
fillPixel (gradColour, x + xx, y + yy);
fillPixel (gradColour, x + yy, y + xx);
}
}
}
}
// TODO: Tom M: This is massaged to work with 3x3 pads and for dots to sync
// with Apple POS loop length. Rework to be more robust & flexible.
void drawPizzaLED (int colour, int x, int y, int w, int progress)
{
--w;
x += 1;
int numToDo = ((8 * progress) / 255) + 1;
int totalLen = w * 4;
for (int i = 1; i <= numToDo; ++i)
{
fillPixel (colour, x, y);
if (i < w)
++x;
else if (i < (w * 2))
++y;
else if (i < (w * 3))
--x;
else if (i < totalLen)
--y;
}
}
void drawPad (int padX, int padY, int padW,
int colour, int fill, int animateProgress)
{
animateProgress >>= 8; // 16 bit to 8 bit
int halfW = padW / 2;
if (fill == 0) // Gradient fill
{
fillGradientRect (colour, padX, padY, padW);
}
else if (fill == 1) // Filled
{
fillRect (colour, padX, padY, padW, padW);
}
else if (fill == 2) // Hollow
{
outlineRect (colour, padX, padY, padW);
}
else if (fill == 3) // Hollow with plus
{
outlineRect (colour, padX, padY, padW);
drawPlus (0xffffffff, padX, padY, padW);
}
else if (fill == 4) // Pulsing dot
{
int pulseCol = blendARGB (colour, makeARGB (animateProgress, 0, 0, 0));
fillPixel (pulseCol, padX + halfW, padY + halfW);
}
else if (fill == 5) // Blinking dot
{
int blinkCol = animateProgress > 64 ? 0xff000000 : colour;
fillPixel (blinkCol, padX + halfW, padY + halfW);
}
else if (fill == 6) // Pizza filled
{
outlineRect (blendARGB (colour, 0xdc000000), padX, padY, padW); // Dim outline
fillPixel (colour, padX + halfW, padY + halfW); // Bright centre
drawPizzaLED (colour, padX, padY, padW, animateProgress);
}
else // Pizza hollow
{
outlineRect (blendARGB (colour, 0xdc000000), padX, padY, padW); // Dim outline
drawPizzaLED (colour, padX, padY, padW, animateProgress);
}
}
int isPadActive (int index)
{
if (getHeapInt (158) == 0) // None active
return 0;
++index;
return index == getHeapByte (158) ||
index == getHeapByte (159) ||
index == getHeapByte (160) ||
index == getHeapByte (161);
}
void updateDimFactor()
{
if (getHeapInt (158) == 0)
{
if (--dimDelay <= 0)
{
dimFactor -= 12;
if (dimFactor < 0)
dimFactor = 0;
}
}
else
{
dimFactor = gammaCorrected ? 100 : 180;
dimDelay = 12;
}
}
void drawPads (int offsetX, int offsetY, int colourMapOffset)
{
int padsPerSide = getHeapByte (0 + colourMapOffset);
if (padsPerSide < 2)
return;
int blockW = 15 / padsPerSide;
int blockPlusGapW = blockW + (15 - padsPerSide * blockW) / (padsPerSide - 1);
for (int padY = 0; padY < padsPerSide; ++padY)
{
for (int padX = 0; padX < padsPerSide; ++padX)
{
int ledX = offsetX + padX * blockPlusGapW;
int ledY = offsetY + padY * blockPlusGapW;
if (ledX < 15 &&
ledY < 15 &&
(ledX + blockW) >= 0 &&
(ledY + blockW) >= 0)
{
int padIdx = padX + padY * padsPerSide;
bool padActive = isPadActive (padIdx);
int blendCol = padActive ? 255 : 0;
int blendAmt = padActive ? dimFactor >> 1 : dimFactor;
int colour = blendARGB (getGridColour (padIdx, colourMapOffset),
makeARGB (blendAmt, blendCol, blendCol, blendCol));
int fillType = getHeapByte (colourMapOffset + 52 + padIdx);
int animate = getAnimationProgress (padIdx);
drawPad (ledX, ledY, blockW, colour, fillType, animate);
}
}
}
}
void slideAnimatePads()
{
int nowVisible = getHeapByte (155);
if (lastVisiblePads != nowVisible)
{
lastVisiblePads = nowVisible;
if (slideAnimationProgress <= 0)
slideAnimationProgress = 15;
}
// If animation is complete, draw normally.
if (slideAnimationProgress <= 0)
{
drawPads (0, 0, 78 * nowVisible);
slideAnimationProgress = 0;
}
else
{
int direction = getHeapByte (156);
slideAnimationProgress -= 1;
int inPos = nowVisible == 0 ? 0 : 78;
int outPos = nowVisible == 0 ? 78 : 0;
if (direction == 0) // Up
{
drawPads (0, slideAnimationProgress - 16, outPos);
drawPads (0, slideAnimationProgress, inPos);
}
else if (direction == 1) // Down
{
drawPads (0, 16 - slideAnimationProgress, outPos);
drawPads (0, 0 - slideAnimationProgress, inPos);
}
else if (direction == 2) // Left
{
drawPads (16 - slideAnimationProgress, 0, outPos);
drawPads (slideAnimationProgress, 0, inPos);
}
else if (direction == 3) // Right
{
drawPads (16 - slideAnimationProgress, 0, outPos);
drawPads (0 - slideAnimationProgress, 0, inPos);
}
else // None
{
drawPads (0, 0, 78 * nowVisible);
slideAnimationProgress = 0;
}
}
}
void repaint()
{
// showErrorOnFail, showRepaintTime, showMovingDot
//enableDebug (true, true, false);
// Clear LEDs to black, update dim animation
fillRect (0xff000000, 0, 0, 15, 15);
updateDimFactor();
// Does the main painting of pads
slideAnimatePads();
// Overlay heatmap
drawPressureMap();
fadePressureMap();
}
// DrumPadGridProgram::sendTouch results in this callback, giving
// us more touch updates per frame and therefore smoother trails.
void handleMessage (int pos, int colour, int dummy)
{
if ((pos >> 24) != 0x20)
return;
int tx = (pos >> 16) & 0xff;
int ty = (pos >> 8) & 0xff;
int tz = pos & 0xff;
addPressurePoint (colour,
tx * (2.0 / (256 + 20)),
ty * (2.0 / (256 + 20)),
tz * (1.0 / 3.0));
}
)littlefoot";
}
} // namespace juce