- s32 t = time_of_day%24000;
- if(t < 4500 || t >= 19500)
- return 150;
- else if(t < 4750 || t >= 19250)
- return 250;
- else if(t < 5000 || t >= 19000)
- return 350;
- else if(t < 5250 || t >= 18750)
- return 500;
- else if(t < 5500 || t >= 18500)
- return 675;
- else if(t < 5750 || t >= 18250)
- return 875;
- else
+ float t = time_of_day;
+ if (t < 0.0f)
+ t += ((int)(-t) / 24000) * 24000.0f;
+ if (t >= 24000.0f)
+ t -= ((int)(t) / 24000) * 24000.0f;
+ if (t > 12000.0f)
+ t = 24000.0f - t;
+
+ const float values[9][2] = {
+ {4250.0f + 125.0f, 175.0f},
+ {4500.0f + 125.0f, 175.0f},
+ {4750.0f + 125.0f, 250.0f},
+ {5000.0f + 125.0f, 350.0f},
+ {5250.0f + 125.0f, 500.0f},
+ {5500.0f + 125.0f, 675.0f},
+ {5750.0f + 125.0f, 875.0f},
+ {6000.0f + 125.0f, 1000.0f},
+ {6250.0f + 125.0f, 1000.0f},
+ };
+
+ if (!smooth) {
+ float lastt = values[0][0];
+ for (u32 i = 1; i < 9; i++) {
+ float t0 = values[i][0];
+ float switch_t = (t0 + lastt) / 2.0f;
+ lastt = t0;
+ if (switch_t <= t)
+ continue;
+
+ return values[i][1];
+ }