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Fixed the "random probability" in "terrain-graphics" rules...

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...not being random enough
This commit is contained in:
Philippe Plantier 2004-06-07 21:27:52 +00:00
parent a65fc1ea97
commit 1514ef0dc9
1 changed files with 6 additions and 1 deletions
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7
src/builder.cpp
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@ -537,7 +537,12 @@ bool terrain_builder::rule_matches(const terrain_builder::building_rule &rule, c
}
if(rule.probability != -1) {
int random = (((loc.x+23293)^827634) * 7613863 + ((loc.y+19827)^87623) * 87987 + (rule_index^198729) * 89237) % 100;
unsigned int a = (loc.x + 92872973) ^ 918273;
unsigned int b = (loc.y + 1672517) ^ 128123;
unsigned int c = (rule_index + 127390) ^ 13923787;
unsigned int random = a*b*c + a*b + b*c + a*c + a + b + c;
random %= 100;
if(random > rule.probability)
return false;