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authorbelugas <belugas@openttd.org>2007-06-08 15:48:48 +0000
committerbelugas <belugas@openttd.org>2007-06-08 15:48:48 +0000
commit7586143e3bafe14247953cc3c0b322d32ffe3ac8 (patch)
tree1ec1fab628f3051f606766e71174e557523e5c28 /src
parent9c66082b079af7f608d033225c1544558c93a715 (diff)
downloadopenttd-7586143e3bafe14247953cc3c0b322d32ffe3ac8.tar.xz
(svn r10063) -Codechange: Change VARDEF for extern
-CodeChange: Add the count of industries, basic support for variable 67, var action02 forindustries
Diffstat (limited to 'src')
-rw-r--r--src/industry.h35
-rw-r--r--src/industry_cmd.cpp11
2 files changed, 43 insertions, 3 deletions
diff --git a/src/industry.h b/src/industry.h
index 09cb34071..38d1dca2f 100644
--- a/src/industry.h
+++ b/src/industry.h
@@ -197,7 +197,6 @@ static inline bool IsValidIndustryID(IndustryID index)
return index < GetIndustryPoolSize() && IsValidIndustry(GetIndustry(index));
}
-VARDEF int _total_industries; //general counter
static inline IndustryID GetMaxIndustryIndex()
{
@@ -214,6 +213,36 @@ static inline uint GetNumIndustries()
return _total_industries;
}
+extern int _total_industries; // general counter
+extern uint16 _industry_counts[NUM_INDUSTRYTYPES]; // Number of industries per type ingame
+
+/** Increment the count of industries for this type
+ * @param type IndustryType to increment
+ * @pre type < INVALID_INDUSTRYTYPE */
+static inline void IncIndustryTypeCount(IndustryType type)
+{
+ assert(type < INVALID_INDUSTRYTYPE);
+ _industry_counts[type]++;
+}
+
+/** Decrement the count of industries for this type
+ * @param type IndustryType to decrement
+ * @pre type < INVALID_INDUSTRYTYPE */
+static inline void DecIndustryTypeCount(IndustryType type)
+{
+ assert(type < INVALID_INDUSTRYTYPE);
+ _industry_counts[type]--;
+}
+
+/** get the count of industries for this type
+ * @param type IndustryType to query
+ * @pre type < INVALID_INDUSTRYTYPE */
+static inline uint8 GetIndustryTypeCount(IndustryType type)
+{
+ assert(type < INVALID_INDUSTRYTYPE);
+ return min(_industry_counts[type], 0xFF); // callback expects only a byte, so cut it
+}
+
/**
* Return a random valid industry.
*/
@@ -249,8 +278,8 @@ static inline void DeleteIndustry(Industry *i)
#define FOR_ALL_INDUSTRIES_FROM(i, start) for (i = GetIndustry(start); i != NULL; i = (i->index + 1U < GetIndustryPoolSize()) ? GetIndustry(i->index + 1U) : NULL) if (IsValidIndustry(i))
#define FOR_ALL_INDUSTRIES(i) FOR_ALL_INDUSTRIES_FROM(i, 0)
-VARDEF const Industry** _industry_sort;
-VARDEF bool _industry_sort_dirty;
+extern const Industry **_industry_sort;
+extern bool _industry_sort_dirty;
enum {
IT_COAL_MINE = 0,
diff --git a/src/industry_cmd.cpp b/src/industry_cmd.cpp
index 902e89ba5..d66158338 100644
--- a/src/industry_cmd.cpp
+++ b/src/industry_cmd.cpp
@@ -37,6 +37,12 @@ void BuildOilRig(TileIndex tile);
static byte _industry_sound_ctr;
static TileIndex _industry_sound_tile;
+int _total_industries; //general counter
+uint16 _industry_counts[NUM_INDUSTRYTYPES]; // Number of industries per type ingame
+
+const Industry **_industry_sort;
+bool _industry_sort_dirty;
+
IndustrySpec _industry_specs[NUM_INDUSTRYTYPES];
IndustryTileSpec _industry_tile_specs[NUM_INDUSTRYTILES];
@@ -142,6 +148,8 @@ void DestroyIndustry(Industry *i)
_industry_sort_dirty = true;
_total_industries--;
+ DecIndustryTypeCount(i->type);
+
DeleteSubsidyWithIndustry(i->index);
DeleteWindowById(WC_INDUSTRY_VIEW, i->index);
InvalidateWindow(WC_INDUSTRY_DIRECTORY, 0);
@@ -1351,6 +1359,7 @@ static void DoCreateNewIndustry(Industry *i, TileIndex tile, int type, const Ind
i->xy = tile;
i->width = i->height = 0;
i->type = type;
+ IncIndustryTypeCount(type);
i->production_rate[0] = indspec->production_rate[0];
i->production_rate[1] = indspec->production_rate[1];
@@ -1849,6 +1858,7 @@ void InitializeIndustries()
AddBlockToPool(&_Industry_pool);
_total_industries = 0;
+ memset(&_industry_counts, 0, sizeof(_industry_counts));
_industry_sort_dirty = true;
_industry_sound_tile = 0;
}
@@ -1926,6 +1936,7 @@ static void Load_INDY()
i = GetIndustry(index);
SlObject(i, _industry_desc);
+ IncIndustryTypeCount(i->type);
_total_industries++;
}