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Fixed a crash bug when using sorting functions on an associative array(map) (from Mr.Stalin)

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This commit is contained in:
NovaRain
2019-01-06 11:59:09 +08:00
parent f00022fed6
commit 5611931063
2 changed files with 48 additions and 30 deletions
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sfall/Arrays.cpp
+44 -28
View File
@@ -2,6 +2,7 @@
#include <algorithm>
#include "Arrays.h"
#include "FalloutEngine.h"
#include "ScriptExtender.h"
/*
@@ -11,7 +12,7 @@ DWORD arraysBehavior = 1; // 0 - backward compatible with pre-3.4, 1 - permanent
// arrays map: arrayId => arrayVar
ArraysMap arrays;
// auto-incremented ID
DWORD nextarrayid=1;
DWORD nextarrayid = 1;
// temp arrays: set of arrayId
std::set<DWORD> tempArrays;
// saved arrays: arrayKey => arrayId
@@ -101,7 +102,7 @@ DWORD sArrayElement::getHashStatic(DWORD value, DWORD type) {
str = (const char*)value;
int i;
DWORD res;
for (i=0, res=0; str[i]!='\0'; i++) {
for (i = 0, res = 0; str[i] != '\0'; i++) {
res = ((res << 5) + res) + str[i];
}
return res;
@@ -189,28 +190,28 @@ void LoadArraysOld(HANDLE h) {
dlogr("Loading arrays (old fmt)", DL_MAIN);
DWORD count, unused, id, j;
ReadFile(h, &count, 4, &unused, 0);
if(unused!=4) return;
if (unused != 4) return;
sArrayVarOld var;
sArrayVar varN;
for(DWORD i=0;i<count;i++) {
for (DWORD i = 0; i < count; i++) {
ReadFile(h, &id, 4, &unused, 0);
ReadFile(h, &var, 8, &unused, 0);
var.types=new DWORD[var.len];
var.data=new char[var.len*var.datalen];
ReadFile(h, var.types, 4*var.len, &unused, 0);
var.types = new DWORD[var.len];
var.data = new char[var.len * var.datalen];
ReadFile(h, var.types, 4 * var.len, &unused, 0);
ReadFile(h, var.data, var.len*var.datalen, &unused, 0);
varN.flags = 0;
varN.val.resize(var.len);
for (j=0; j<var.len; j++) {
for (j = 0; j < var.len; j++) {
switch (var.types[j]) {
case DATATYPE_INT:
varN.val[j].set(*(long*)(&var.data[var.datalen*j]));
varN.val[j].set(*(long*)(&var.data[var.datalen * j]));
break;
case DATATYPE_FLOAT:
varN.val[j].set(*(float*)(&var.data[var.datalen*j]));
varN.val[j].set(*(float*)(&var.data[var.datalen * j]));
break;
case DATATYPE_STR:
varN.val[j].set(&var.data[var.datalen*j], var.datalen - 1);
varN.val[j].set(&var.data[var.datalen * j], var.datalen - 1);
break;
}
}
@@ -230,7 +231,7 @@ void LoadArrays(HANDLE h) {
if (unused != 4) return;
sArrayVar arrayVar;
nextarrayid = 1;
for (DWORD i=0; i<count; i++) {
for (DWORD i = 0; i < count; i++) {
LoadArrayElement(&arrayVar.key, h);
if (arrayVar.key.type > 4 || arrayVar.key.intVal == 0) { // partial compatibility with 3.4
arrayVar.key.intVal = arrayVar.key.type;
@@ -240,7 +241,7 @@ void LoadArrays(HANDLE h) {
ReadFile(h, &elCount, 4, &unused, 0); // actual number of elements: keys+values
bool isAssoc = arrayVar.isAssoc();
arrayVar.val.resize(elCount);
for (j=0; j<elCount; j++) { // normal and associative arrays stored and loaded equally
for (j = 0; j < elCount; j++) { // normal and associative arrays stored and loaded equally
LoadArrayElement(&arrayVar.val[j], h);
if (isAssoc && (j % 2) == 0) { // only difference is that keyHash is filled with appropriate indexes
arrayVar.keyHash[arrayVar.val[j]] = j;
@@ -288,23 +289,26 @@ void SaveArrays(HANDLE h) {
int GetNumArrays() {
return arrays.size();
}
void GetArrays(int* _arrays) {
int pos=0;
array_citr itr=arrays.begin();
while(itr!=arrays.end()) {
_arrays[pos++]=itr->first;
_arrays[pos++]=itr->second.size();
_arrays[pos++]=itr->second.flags;
int pos = 0;
array_citr itr = arrays.begin();
while (itr != arrays.end()) {
_arrays[pos++] = itr->first;
_arrays[pos++] = itr->second.size();
_arrays[pos++] = itr->second.flags;
itr++;
}
}
// those too are not really used yet in FalloutClient (AFAIK) -- phobos2077
void DEGetArray(int id, DWORD* types, void* data) {
//memcpy(types, arrays[id].types, arrays[id].len*4);
//memcpy(data, arrays[id].data, arrays[id].len*arrays[id].datalen);
}
void DESetArray(int id, const DWORD* types, const void* data) {
//if(types) memcpy(arrays[id].types, types, arrays[id].len*4);
//if (types) memcpy(arrays[id].types, types, arrays[id].len * 4);
//memcpy(arrays[id].data, data, arrays[id].len*arrays[id].datalen);
}
@@ -362,21 +366,23 @@ DWORD _stdcall CreateArray(int len, DWORD nothing) {
if (!var.isAssoc()) {
var.val.resize(len);
}
while(arrays.find(nextarrayid)!=arrays.end()) nextarrayid++;
while (arrays.find(nextarrayid) != arrays.end()) nextarrayid++;
if (nextarrayid == 0) nextarrayid++;
if (arraysBehavior == 0) {
var.key = sArrayElement(nextarrayid, DATATYPE_INT);
savedArrays[var.key] = nextarrayid;
}
stackArrayId = nextarrayid;
arrays[nextarrayid]=var;
arrays[nextarrayid] = var;
return nextarrayid++;
}
DWORD _stdcall TempArray(DWORD len, DWORD nothing) {
DWORD id=CreateArray(len, nothing);
DWORD id = CreateArray(len, nothing);
tempArrays.insert(id);
return id;
}
void _stdcall FreeArray(DWORD id) {
array_itr it = arrays.find(id);
if (it != arrays.end()) {
@@ -429,7 +435,7 @@ DWORD _stdcall GetArray(DWORD id, DWORD key, DWORD keyType, DWORD* resultType) {
// check for invalid index
if (el < 0 || el >= arr.size()) return 0;
}
switch(arr.val[el].type) {
switch (arr.val[el].type) {
case DATATYPE_NONE: return 0;
case DATATYPE_INT:
return *(DWORD *)&arr.val[el].intVal;
@@ -486,25 +492,29 @@ void _stdcall SetArray(DWORD id, DWORD key, DWORD keyType, DWORD val, DWORD valT
}
}
}
int _stdcall LenArray(DWORD id) {
if(arrays.find(id)==arrays.end()) return -1;
if (arrays.find(id)==arrays.end()) return -1;
else return arrays[id].size();
}
void _stdcall ResizeArray(DWORD id, int newlen) {
if (arrays.find(id) == arrays.end() || arrays[id].size() == newlen) return;
if (newlen == -1 || arrays.find(id) == arrays.end() || arrays[id].size() == newlen) return;
sArrayVar &arr = arrays[id];
if (arr.isAssoc()) {
// only allow to reduce number of elements (adding range of elements is meaningless for maps)
if (newlen < arrays[id].size()) {
if (newlen >= 0 && newlen < arrays[id].size()) {
ArrayKeysMap::iterator itHash;
std::vector<sArrayElement>::iterator itVal;
int actualLen = newlen*2;
int actualLen = newlen * 2;
for (itVal = arr.val.begin() + actualLen; itVal != arr.val.end(); itVal += 2) {
if ((itHash = arr.keyHash.find(*itVal)) != arr.keyHash.end())
arr.keyHash.erase(itHash);
}
arr.clearRange(actualLen);
arr.val.resize(actualLen);
} else if (newlen < 0) {
DebugPrintf("\nOPCODE ERROR: resize_array() - array sorting error.");
}
return;
}
@@ -515,6 +525,10 @@ void _stdcall ResizeArray(DWORD id, int newlen) {
arr.clearRange(newlen);
arr.val.resize(newlen);
} else { // special functions for lists...
if (newlen < ARRAY_ACTION_SHUFFLE) {
DebugPrintf("\nOPCODE ERROR: resize_array() - array sorting error.");
return;
}
switch (newlen) {
case ARRAY_ACTION_SORT: // sort ascending
std::sort(arr.val.begin(), arr.val.end());
@@ -531,9 +545,11 @@ void _stdcall ResizeArray(DWORD id, int newlen) {
}
}
}
void _stdcall FixArray(DWORD id) {
tempArrays.erase(id);
}
int _stdcall ScanArray(DWORD id, DWORD val, DWORD datatype, DWORD* resultType) {
*resultType = VAR_TYPE_INT;
datatype = getSfallTypeByScriptType(datatype);
sfall/Arrays.h
+2
View File
@@ -94,6 +94,7 @@ public:
bool isAssoc() const {
return (flags & ARRAYFLAG_ASSOC);
}
// logical array size (number of elements for normal arrays; number of key=>value pairs for associative)
int size() const {
return isAssoc()
@@ -109,6 +110,7 @@ public:
}
sArrayVar() : flags(0), key() {}
// free memory used by strings
void clear() {
clearRange(0);