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- Added checks for open and closed scripts sharing the same number to ensure that

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FBehavior::FindScript() will always return the closed version. See Hexen MAP30 and MAP33.

SVN r2157 (trunk)
This commit is contained in:
Randy Heit 2010-02-13 05:15:32 +00:00
parent 1df19e6375
commit 784aef8928
1 changed files with 29 additions and 1 deletions
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30
src/p_acs.cpp
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@ -1396,7 +1396,7 @@ void FBehavior::LoadScriptsDirectory ()
switch (Format)
{
case ACS_Old:
scripts.dw = (DWORD *)(Data + ((DWORD *)Data)[1]);
scripts.dw = (DWORD *)(Data + ((DWORD *)Data)[1]); // FIXME: Has this been byte-swapped before-hand?
NumScripts = scripts.dw[0];
if (NumScripts != 0)
{
@ -1473,6 +1473,25 @@ void FBehavior::LoadScriptsDirectory ()
if (NumScripts > 1)
{
qsort (Scripts, NumScripts, sizeof(ScriptPtr), SortScripts);
// Check for duplicates because ACC originally did not enforce
// script number uniqueness across different script types. We
// only need to do this for old format lumps, because the ACCs
// that produce new format lumps won't let you do this.
if (Format == ACS_Old)
{
for (i = 0; i < NumScripts - 1; ++i)
{
if (Scripts[i].Number == Scripts[i+1].Number)
{
Printf("Script %d appears more than once.\n", Scripts[i].Number);
// Make the closed version the first one.
if (Scripts[i+1].Type == SCRIPT_Closed)
{
swap(Scripts[i], Scripts[i+1]);
}
}
}
}
}
if (Format == ACS_Old)
@ -1589,6 +1608,15 @@ const ScriptPtr *FBehavior::FindScript (int script) const
const ScriptPtr *ptr = BinarySearch<ScriptPtr, WORD>
((ScriptPtr *)Scripts, NumScripts, &ScriptPtr::Number, (WORD)script);
// If the preceding script has the same number, return it instead.
// See the note by the script sorting above for why.
if (ptr > Scripts)
{
if (ptr[-1].Number == script)
{
ptr--;
}
}
return ptr;
}