int Narrator::script(int st, PRNG &prng)
{
static ChaosParticles chaosA(flow, runner.config["chaosParticles"]);
static ChaosParticles chaosB(flow, runner.config["chaosParticles"]);
static OrderParticles orderParticles(flow, runner.config["orderParticles"]);
static Precursor precursor(flow, runner.config["precursor"]);
static RingsEffect ringsA(flow, runner.config["ringsA"]);
static RingsEffect ringsB(flow, runner.config["ringsB"]);
static RingsEffect ringsC(flow, runner.config["ringsC"]);
static PartnerDance partnerDance(flow, runner.config["partnerDance"]);
static CameraFlowDebugEffect flowDebugEffect(flow, runner.config["flowDebugEffect"]);
static Forest forest(flow, runner.config["forest"]);
static DarknessEffect darkness;
rapidjson::Value& config = runner.config["narrator"];
Sampler s(prng.uniform32());
switch (st) {
//////////////////////////////////////////////////////////////////////////////////////////////
// Special states
case 1: {
// Darkness only ("off")
crossfade(&darkness, 1);
delayForever();
}
case 2: {
// Precursor only (sleep mode)
precursor.reseed(prng.uniform32());
crossfade(&precursor, 1);
delayForever();
}
case 3: {
// Debugging the computer vision system
crossfade(&flowDebugEffect, 1);
delayForever();
}
//////////////////////////////////////////////////////////////////////////////////////////////
// Opening sequence
case 0: {
// Darkness until opening
crossfade(&darkness, 1);
delayUntilDate(config["opening"]["date"]);
return config["opening"]["nextState"].GetInt();
}
//////////////////////////////////////////////////////////////////////////////////////////////
// Cyclic states
default: {
endCycle();
return 10;
}
case 10: {
// Order trying to form out of the tiniest sparks; runs for an unpredictable time, fails.
precursor.reseed(prng.uniform32());
crossfade(&precursor, s.value(config["precursorCrossfade"]));
// Bootstrap
delay(s.value(config["precursorBootstrap"]));
// Wait for darkness
while (!precursor.isDone) {
doFrame();
}
return 20;
}
case 20: {
// Bang. Explosive energy, hints of self-organization
ChaosParticles *pChaosA = &chaosA;
ChaosParticles *pChaosB = &chaosB;
int bangCount = s.value(config["bangCount"]);
for (int i = 0; i < bangCount; i++) {
pChaosA->reseed(prng.circularVector() * s.value(config["bangSeedRadius"]), prng.uniform32());
crossfade(pChaosA, s.value(config["bangCrossfadeDuration"]));
delay((1 << i) * s.value(config["bangDelayBasis"]));
std::swap(pChaosA, pChaosB);
}
attention(s, config["bangAttention"]);
return 30;
}
case 30: {
// Textures of light, exploring something formless. Slow crossfade in
ringsA.reseed(prng.uniform32());
crossfade(&ringsA, s.value(config["ringsA-Crossfade"]));
attention(s, config["ringsA-Attention"]);
return 40;
}
case 40: {
// Add energy, explore another layer.
ringsB.reseed(prng.uniform32());
crossfade(&ringsB, s.value(config["ringsB-Crossfade"]));
attention(s, config["ringsB-Attention"]);
return 50;
}
case 50: {
// Biology happens, order emerges. Cellular look, emergent order.
orderParticles.reseed(prng.uniform32());
orderParticles.symmetry = 10;
crossfade(&orderParticles, s.value(config["orderCrossfade"]));
while (orderParticles.symmetry > 4) {
attention(s, config["orderStepAttention"]);
orderParticles.symmetry--;
}
attention(s, config["orderStepAttention"]);
return 60;
}
case 60: {
// Two partners, populations of particles.
// Spiralling inwards. Depression. Beauty on the edge of destruction,
// pressing forward until nothing remains.
partnerDance.reseed(prng.uniform32());
crossfade(&partnerDance, s.value(config["partnerCrossfade"]));
attention(s, config["partnerAttention"]);
return 70;
}
case 70: {
// Sinking deeper. Interlude before a change.
ringsC.reseed(prng.uniform32());
crossfade(&ringsC, s.value(config["ringsC-Crossfade"]));
attention(s, config["ringsC-Attention"]);
return 80;
}
case 80: {
// Continuous renewal and regrowth. Destruction happens unintentionally,
// regrowth is quick and generative. The only way to lose is to stagnate.
forest.reseed(prng.uniform32());
crossfade(&forest, s.value(config["forestCrossfade"]));
attention(s, config["forestAttention"]);
return 90;
}
}
}
