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New option NEW_RANDOM (default TRUE) enables new code for random number generation.

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Fixed PreRandom(1) bug in AddPlacementToWorld.
AddPossiblePendingEnemiesToBattle: use Random(4) instead of GetRndNum(3) for random insertion code.

git-svn-id: https://ja2svn.mooo.com/source/ja2/trunk/GameSource/ja2_v1.13/Build@8747 3b4a5df2-a311-0410-b5c6-a8a6f20db521
This commit is contained in:
Sevenfm
2020-02-09 18:35:04 +00:00
parent 90db9fa346
commit 6005382920
6 changed files with 52 additions and 15 deletions
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Standard Gaming Platform/Random.cpp
+21 -2
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@@ -40,6 +40,27 @@ UINT32 MPPreRandom( UINT32 uiRange )
UINT32 guiPreRandomIndex;
UINT32 guiPreRandomNums[MAX_PREGENERATED_NUMS];
#include <random>
std::random_device gRandomDevice; // only used once to initialize (seed) engine
std::mt19937 gRandomNumberGenerator(gRandomDevice()); // random-number engine used (Mersenne-Twister in this case)
UINT32 NewRandom(UINT32 max)
{
if (is_networked && is_client)
return MPPreRandom(max);
if (max <= 1)
return 0;
UINT32 min = 0;
std::uniform_int_distribution<int> uni(min, max - 1); // guaranteed unbiased
auto random_integer = uni(gRandomNumberGenerator);
return random_integer;
}
UINT32 GetRndNum(UINT32 maxnum)
{
if (is_networked && is_client)
@@ -52,8 +73,6 @@ UINT32 GetRndNum(UINT32 maxnum)
{
GetCursorPos(&pt);// Get cursor location
srand(maxnum ^ rnd ^ pt.x ^ pt.y ^ GetTickCount());
//SendFmtMsg("Random Number Generator Reinitialized.");
//for(int l=0;l<100;l++)SendFmtMsg("%2d", Random(100));
}
if(maxnum == 0)
return(0);