Function TriggerFireFlame

TombEngine/Game/effects/effects.cpp:1516–1697

}

void TriggerFireFlame(int x, int y, int z, FlameType type, const Vector3& color1, const Vector3& color2)
{
	int dx = LaraItem->Pose.Position.x - x;
	int dz = LaraItem->Pose.Position.z - z;

	if (abs(dx) > BLOCK(16) || abs(dz) > BLOCK(16))
		return;

	auto* spark = GetFreeParticle();

	spark->on = true;

	if (color1 == Vector3::Zero || color2 == Vector3::Zero)
	{
		// Legacy default colours, for compatibility with TR4-TR5 objects.

		switch (type)
		{
		case FlameType::SmallFast:
			spark->sR = 48;
			spark->sG = 48;
			spark->sB = (GetRandomControl() & 0x1F) + 128;
			spark->dR = 32;
			spark->dG = (GetRandomControl() & 0x3F) - 64;
			spark->dB = (GetRandomControl() & 0x3F) + 64;
			break;

		case FlameType::Small:
			spark->sR = spark->sG = (GetRandomControl() & 0x1F) + 48;
			spark->sB = (GetRandomControl() & 0x3F) - 64;
			break;

		default:
			spark->sR = 255;
			spark->sB = 48;
			spark->sG = (GetRandomControl() & 0x1F) + 48;
			break;
		}

		if (type != FlameType::SmallFast)
		{
			spark->dR = (GetRandomControl() & 0x3F) - 64;
			spark->dG = (GetRandomControl() & 0x3F) + -128;
			spark->dB = 32;
		}
	}
	else
	{
		auto [colorS, colorD] = GenerateColorShift(color1, color2);

		spark->sR = colorS[0];
		spark->sG = colorS[1];
		spark->sB = colorS[2];

		spark->dR = colorD[0];
		spark->dG = colorD[1];
		spark->dB = colorD[2];
	}