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(svn r10701) -Codechange: Make sure to not use an out of bound index when the index is specified by a grf file. It has a different meaning then.

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belugas 2007-07-27 03:07:05 +00:00
parent 8ad3a6f8fd
commit 3f7a7261d6
1 changed files with 10 additions and 3 deletions
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13
src/industry_cmd.cpp
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@ -1612,7 +1612,12 @@ Industry *CreateNewIndustry(TileIndex tile, IndustryType type)
return CreateNewIndustryHelper(tile, type, DC_EXEC, indspec, RandomRange(indspec->num_table));
}
static const byte _numof_industry_table[5][11] = {
enum {
NB_NUMOFINDUSTRY = 11,
NB_DIFFICULTY_LEVEL = 5,
};
static const byte _numof_industry_table[NB_DIFFICULTY_LEVEL][NB_NUMOFINDUSTRY] = {
/* difficulty settings for number of industries */
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, //none
{0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, //very low
@ -1627,7 +1632,9 @@ static const byte _numof_industry_table[5][11] = {
* @param amount of industries that need to be built */
static void PlaceInitialIndustry(IndustryType type, int amount)
{
int num = _numof_industry_table[_opt.diff.number_industries][amount];
/* We need to bypass the amount given in parameter if it exceeds the maximum dimension of the
* _numof_industry_table. newgrf can specify a big amount */
int num = (amount > NB_NUMOFINDUSTRY) ? amount : _numof_industry_table[_opt.diff.number_industries][amount];
const IndustrySpec *ind_spc = GetIndustrySpec(type);
/* These are always placed next to the coastline, so we scale by the perimeter instead. */
@ -1676,7 +1683,7 @@ void GenerateIndustries()
/* once the chance of appearance is determind, it have to be scaled by
* the difficulty level. The "chance" in question is more an index into
* the _numof_industry_table,in fact */
int num = (chance < 11) ? chance : _numof_industry_table[_opt.diff.number_industries][chance];
int num = (chance > NB_NUMOFINDUSTRY) ? chance : _numof_industry_table[_opt.diff.number_industries][chance];
/* These are always placed next to the coastline, so we scale by the perimeter instead. */
num = (ind_spc->check_proc == CHECK_REFINERY || ind_spc->check_proc == CHECK_OIL_RIG) ? ScaleByMapSize1D(num) : ScaleByMapSize(num);