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authorbelugas <belugas@openttd.org>2007-04-09 01:43:29 +0000
committerbelugas <belugas@openttd.org>2007-04-09 01:43:29 +0000
commitec03c72afbed2d9be94ade6a342d4c81bec3d311 (patch)
treecc2aa58d4f2fde8cfafcd0aa1d72377f8c85655c /src
parent93acc50678dd571e7c8bd3ff167825d342ee6419 (diff)
downloadopenttd-ec03c72afbed2d9be94ade6a342d4c81bec3d311.tar.xz
(svn r9579) -Codechange: Cleanup of industry_cmd (Step-11). Use industry's spec appear_creation during random map creation.
Diffstat (limited to 'src')
-rw-r--r--src/industry_cmd.cpp54
-rw-r--r--src/table/build_industry.h69
2 files changed, 34 insertions, 89 deletions
diff --git a/src/industry_cmd.cpp b/src/industry_cmd.cpp
index bfa21881a..084304640 100644
--- a/src/industry_cmd.cpp
+++ b/src/industry_cmd.cpp
@@ -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 */
diff --git a/src/table/build_industry.h b/src/table/build_industry.h
index 3bf30584b..ce78dfa4b 100644
--- a/src/table/build_industry.h
+++ b/src/table/build_industry.h
@@ -1418,75 +1418,6 @@ static const IndustrySpec _industry_specs[] = {
};
#undef MK
-
-static const byte _industry_create_table_0[] = {
- 4, 4,
- 5, 3,
- 5, 2,
- 8, 0,
- 5, 1,
- 4, 11,
- 5, 18,
- 9, 9,
- 5, 8,
- 5, 6,
- 0
-};
-
-static const byte _industry_create_table_1[] = {
- 4, 4,
- 5, 3,
- 5, 14,
- 8, 0,
- 5, 1,
- 5, 11,
- 5, 13,
- 9, 9,
- 4, 15,
- 5, 7,
- 6, 16,
- 0
-};
-
-static const byte _industry_create_table_2[] = {
- 4, 4,
- 5, 11,
- 5, 16,
- 4, 13,
- 4, 17,
- 4, 10,
- 4, 19,
- 4, 20,
- 4, 21,
- 8, 22,
- 4, 13,
- 4, 23,
- 2, 24,
- 0
-};
-
-static const byte _industry_create_table_3[] = {
- 5, 26,
- 5, 27,
- 4, 28,
- 5, 29,
- 4, 30,
- 5, 31,
- 5, 32,
- 4, 33,
- 5, 34,
- 5, 35,
- 4, 36,
- 0
-};
-
-static const byte * const _industry_create_table[4] = {
- _industry_create_table_0,
- _industry_create_table_1,
- _industry_create_table_2,
- _industry_create_table_3,
-};
-
/** Writes the properties of a industry tile into the IndustryTileSpec struct.
* @param c1 first type of cargo accepted for this tile
* @param c2 second cargo