/*! Add new fire */
static void ws2812_anim_fire_update_burn(tu_ws2812_anim * pThis) {
size_t lCountX;
uint8_t lHeat;
uint8_t lRandom;
uint8_t lHeatBackup[3];
/* only on first row */
for(lCountX = 0; lCountX < WS2812_NR_COLUMNS; lCountX++) {
lHeat = pThis->mFire.mHeat[lCountX];
lRandom = xorshift8_range(MIN_HEAT_UP, MAX_HEAT_UP);
if(xorshift8() < xorshift8()) {
/* heat up */
lHeat = add8_cl(lHeat, lRandom, MAX_HEAT);
} else {
/* cool down */
lHeat = sub8_f(lHeat, lRandom);
}
pThis->mFire.mHeat[lCountX] = lHeat;
}
/* blurr the first line to limit high variation */
lHeatBackup[0] = 0;
lHeatBackup[1] = pThis->mFire.mHeat[0];
lHeatBackup[2] = pThis->mFire.mHeat[1];
for(lCountX = 0; lCountX < WS2812_NR_COLUMNS; lCountX++) {
lHeat = (uint8_t)(((uint32_t)lHeatBackup[0] + ((uint32_t)lHeatBackup[1] << 1) + (uint32_t)lHeatBackup[2]) >> 2);
lHeatBackup[0] = lHeatBackup[1];
lHeatBackup[1] = lHeatBackup[2];
if(lCountX < WS2812_NR_COLUMNS-1) {
lHeatBackup[2] = pThis->mFire.mHeat[lCountX + 1];
} else {
lHeatBackup[2] = 0;
}
pThis->mFire.mHeat[lCountX] = lHeat;
}
}
void do_key(char key)
{
short i, j;
while (ANYKEY())
{
readkeyboard();
do_halt();
}
if (minefield[key])
{
// boom
drawstring("Oops, you appear to have stepped", 0, 176);
drawstring("on a rotten egg and died. ", 0, 184);
for (j = 0; j < 20; j++)
{
playfx(1);
for (i = 0; i < 32*21; i++)
{
if (xorshift8() > 220)
*((char*)0x4000+192*32+i) = xorshift8() & 7;
}
for (i = 0; i < 51; i++) xorshift8();
do_halt();
}
reset_game();
}
else
{
drawval(key, count_mines(key));
if (minefound[key] == 0)
{
minefound[key] = 1;
found++;
if (found == total)
{
framecounter = 0;
drawstring("Congratulations!! You did it! ", 0, 176);
drawstring("Step on a mine for a new game. ", 0, 184);
}
}
playfx(0);
}
}
void setup_mines()
{
unsigned char i;
total = 0;
for (i = 0; i < 40; i++)
{
if (xorshift8() > 200)
{
minefield[i] = 1;
}
else
{
minefield[i] = 0;
total++;
}
minefound[i] = 0;
}
}
