dave/openttd
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

(svn r9579) -Codechange: Cleanup of industry_cmd (Step-11). Use industry's spec appear_creation during random map creation.

Browse Source
This commit is contained in:
belugas
2007-04-09 01:43:29 +00:00
parent 93acc50678
commit ec03c72afb
2 changed files with 34 additions and 89 deletions
Download Patch File Download Diff File Expand all files Collapse all files

54
src/industry_cmd.cpp
View File

@@ -1551,16 +1551,16 @@ static const byte _numof_industry_table[4][12] = {
{0, 2, 3, 4, 6, 7, 8, 9, 10, 10, 10}, //high
};
/** This function is the one who really do the creation work
* of random industries during game creation
* @param type IndustryType of the desired industry
* @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];
if (type == IT_OIL_REFINERY || type == IT_OIL_RIG) {
/* These are always placed next to the coastline, so we scale by the perimeter instead. */
num = ScaleByMapSize1D(num);
} else {
num = ScaleByMapSize(num);
}
/* These are always placed next to the coastline, so we scale by the perimeter instead. */
num = (type == IT_OIL_REFINERY || type == IT_OIL_RIG) ? ScaleByMapSize1D(num) : ScaleByMapSize(num);
if (_opt.diff.number_industries != 0) {
PlayerID old_player = _current_player;
@@ -1581,31 +1581,45 @@ static void PlaceInitialIndustry(IndustryType type, int amount)
}
}
/** This function will create ramdon industries during game creation.
* It will scale the amount of industries by map size as well as difficulty level */
void GenerateIndustries()
{
const byte *b;
uint i = 0;
uint8 chance;
IndustryType it;
const IndustrySpec *ind_spc;
/* Find the total amount of industries */
b = _industry_create_table[_opt.landscape];
do {
int num = _numof_industry_table[_opt.diff.number_industries][b[0]];
for (it = IT_COAL_MINE; it < IT_END; it++) {
int num;
ind_spc = GetIndustrySpec(it);
chance = ind_spc->appear_creation[_opt.landscape];
if (chance > 0) {
/* 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 */
num = _numof_industry_table[_opt.diff.number_industries][chance];
if (b[1] == IT_OIL_REFINERY || b[1] == IT_OIL_RIG) {
/* These are always placed next to the coastline, so we scale by the perimeter instead. */
num = ScaleByMapSize1D(num);
} else {
num = ScaleByMapSize(num);
num = (it == IT_OIL_REFINERY || it == IT_OIL_RIG) ? ScaleByMapSize1D(num) : ScaleByMapSize(num);
i += num;
}
}
i += num;
} while ( (b+=2)[0] != 0);
SetGeneratingWorldProgress(GWP_INDUSTRY, i);
b = _industry_create_table[_opt.landscape];
do {
PlaceInitialIndustry(b[1], b[0]);
} while ( (b+=2)[0] != 0);
for (it = IT_COAL_MINE; it < IT_END; it++) {
/* Once the number of industries has been determined, let's really create them.
* The test for chance allows us to try create industries that are available only
* for this landscape.
* @todo : Do we really have to pass chance as un-scaled value, since we've already
* processed that scaling above? No, don't think so. Will find a way. */
chance = GetIndustrySpec(it)->appear_creation[_opt.landscape];
if (chance > 0) PlaceInitialIndustry(it, chance);
};
}
/* Change industry production or do closure */