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Add bounds checks to room explored getter and setter

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This means you can no longer cause Undefined Behavior by exploring a
room that is outside the array of explored room statuses.
This commit is contained in:
Misa 2021-03-24 12:14:28 -07:00 committed by Ethan Lee
parent c5e999c1d5
commit 423c79b572
1 changed files with 9 additions and 2 deletions
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7
desktop_version/src/Map.cpp
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@ -724,14 +724,21 @@ int mapclass::area(int _rx, int _ry)
bool mapclass::isexplored(const int rx, const int ry) bool mapclass::isexplored(const int rx, const int ry)
{ {
const int roomnum = rx + ry*20; const int roomnum = rx + ry*20;
if (INBOUNDS_ARR(roomnum, explored))
{
return explored[roomnum]; return explored[roomnum];
} }
return false;
}
void mapclass::setexplored(const int rx, const int ry, const bool status) void mapclass::setexplored(const int rx, const int ry, const bool status)
{ {
const int roomnum = rx + ry*20; const int roomnum = rx + ry*20;
if (INBOUNDS_ARR(roomnum, explored))
{
explored[roomnum] = status; explored[roomnum] = status;
} }
}
void mapclass::exploretower(void) void mapclass::exploretower(void)
{ {