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robustness improvements for game of life

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* fixed: dataSize could be too small if size is not a multiple of 8
* use size_t for memory size
* clear LEDS on first run - just to make sure that buffer optimizations in segment class work as expected
This commit is contained in:
Frank
2024-05-16 17:31:46 +02:00
parent 83d3f27c8c
commit 0c6c707c6b
1 changed files with 7 additions and 4 deletions
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11
wled00/FX.cpp
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@@ -5175,8 +5175,8 @@ uint16_t mode_2Dgameoflife(void) { // Written by Ewoud Wijma, inspired by https:
const uint16_t cols = SEGMENT.virtualWidth();
const uint16_t rows = SEGMENT.virtualHeight();
const uint16_t dataSize = SEGMENT.length() / 8;
const uint16_t totalSize = dataSize*2 + sizeof(gameOfLife);
const size_t dataSize = (SEGMENT.length() / 8) + ((SEGMENT.length() % 8 != 0) ? 1 : 0); // add one byte when extra bits needed (length not a multiple of 8)
const size_t totalSize = dataSize*2 + sizeof(gameOfLife);
if (!SEGENV.allocateData(totalSize)) return mode_static(); //allocation failed
gameOfLife* gol = reinterpret_cast<gameOfLife*>(SEGENV.data);
@@ -5191,7 +5191,10 @@ uint16_t mode_2Dgameoflife(void) { // Written by Ewoud Wijma, inspired by https:
CRGB backgroundColor = SEGCOLOR(1);
CRGB color;
if (SEGENV.call == 0) SEGMENT.setUpLeds();
if (SEGENV.call == 0) {
SEGMENT.setUpLeds();
SEGMENT.fill(BLACK); // to make sure that segment buffer and physical leds are aligned initially
}
//start new game of life
if ((SEGENV.call == 0 || generation == 0) && pauseFrames == 0) {
SEGENV.step = strip.now; // .step = previous call time
@@ -5303,7 +5306,7 @@ uint16_t mode_2Dgameoflife(void) { // Written by Ewoud Wijma, inspired by https:
// mutate color chance
if (random8() < SEGMENT.intensity) dominantColor = !SEGMENT.check1?SEGMENT.color_from_palette(random8(), false, PALETTE_SOLID_WRAP, 0): random16()*random16();
if (SEGMENT.check1) dominantColor = RGBW32(dominantColor.r, dominantColor.g, dominantColor.b, 0); //WLEDMM support all colors)
if (SEGMENT.check1) dominantColor = RGBW32(dominantColor.r, dominantColor.g, dominantColor.b, 0); //WLEDMM support all colors
SEGMENT.setPixelColorXY(x,y, dominantColor);
}
}