mirrors/OpenRCT2
1
0
Fork 0
mirror of https://github.com/OpenRCT2/OpenRCT2 synced 2026-01-15 11:03:00 +01:00
Code Issues Releases Wiki Activity

Use integer math for guest initial happiness calculation

Browse Source
This commit is contained in:
Matt
2019-12-22 23:15:44 +01:00
parent 518780c3e8
commit ef4245572c
1 changed files with 4 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
src/openrct2/world/Park.cpp
View File

@@ -657,7 +657,10 @@ uint8_t Park::CalculateGuestInitialHappiness(uint8_t percentage)
// This sequence can be defined as PI*(9+n)/2 (the value is floored)
for (uint8_t n = 1; n < 55; n++)
{
if ((3.14159 * (9 + n)) / 2 >= percentage)
// Avoid floating point math by rescaling PI up.
constexpr int32_t SCALE = 100000;
constexpr int32_t PI_SCALED = 314159; // PI * SCALE;
if (((PI_SCALED * (9 + n)) / SCALE) / 2 >= percentage)
{
return (9 + n) * 4;
}