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authorglx <glx@openttd.org>2007-09-22 21:59:02 +0000
committerglx <glx@openttd.org>2007-09-22 21:59:02 +0000
commit90602b356a9834522cece05cb3e9fc9fc9c67b9f (patch)
tree57c32e6aa712209c427784ee101a6990c4b14ec6
parented2b6f4f7283087ff429f1009df90d353da188b6 (diff)
downloadopenttd-90602b356a9834522cece05cb3e9fc9fc9c67b9f.tar.xz
(svn r11142) -Codechange: prepare industry production change code for newgrf callbacks 29 and 35
-rw-r--r--src/industry_cmd.cpp240
1 files changed, 101 insertions, 139 deletions
diff --git a/src/industry_cmd.cpp b/src/industry_cmd.cpp
index 967462527..58e194428 100644
--- a/src/industry_cmd.cpp
+++ b/src/industry_cmd.cpp
@@ -1694,94 +1694,6 @@ void GenerateIndustries()
}
}
-/**
- * Protects an industry from closure if the appropriate flags and conditions are met
- * INDUSTRYBEH_CANCLOSE_LASTINSTANCE must be set (which, by default, it is not) and the
- * count of industries of this type must one (or lower) in order to be protected
- * against closure.
- * @param type IndustryType been queried
- * @result true if protection is on, false otherwise (except for oil wells)
- */
-static bool CheckIndustryCloseDownProtection(IndustryType type)
-{
- const IndustrySpec *indspec = GetIndustrySpec(type);
-
- /* oil wells (or the industries with that flag set) are always allowed to closedown */
- if (indspec->behaviour & INDUSTRYBEH_DONT_INCR_PROD && _opt.landscape == LT_TEMPERATE) return false;
- return (indspec->behaviour & INDUSTRYBEH_CANCLOSE_LASTINSTANCE && GetIndustryTypeCount(type) <= 1);
-}
-
-
-/** Change industry production or do closure
- * @param i Industry for which changes are performed
- */
-static void ExtChangeIndustryProduction(Industry *i)
-{
- bool closeit = true;
- int j;
- const IndustrySpec *indspec = GetIndustrySpec(i->type);
-
- if (indspec->life_type == INDUSTRYLIFE_BLACK_HOLE) return;
-
- if ((indspec->life_type & (INDUSTRYLIFE_ORGANIC | INDUSTRYLIFE_EXTRACTIVE)) != 0) {
- for (j = 0; j < 2 && indspec->produced_cargo[j] != CT_INVALID; j++){
- uint32 r = Random();
- int old_prod, new_prod, percent;
- int mag;
-
- new_prod = old_prod = i->production_rate[j];
-
- if (CHANCE16I(20, 1024, r)) new_prod -= max(((RandomRange(50) + 10) * old_prod) >> 8, 1U);
- /* Chance of increasing becomes better when more is transported */
- if (CHANCE16I(20 + (i->last_month_pct_transported[j] * 20 >> 8), 1024, r >> 16) &&
- ((indspec->behaviour & INDUSTRYBEH_DONT_INCR_PROD) == 0 || _opt.landscape != LT_TEMPERATE)) {
- new_prod += max(((RandomRange(50) + 10) * old_prod) >> 8, 1U);
- }
-
- new_prod = clamp(new_prod, 1, 255);
- /* Do not stop closing the industry when it has the lowest possible production rate */
- if (new_prod == old_prod && old_prod > 1) {
- closeit = false;
- continue;
- }
-
- percent = (old_prod == 0) ? 100 : (new_prod * 100 / old_prod - 100);
- i->production_rate[j] = new_prod;
-
- /* Close the industry when it has the lowest possible production rate */
- if (new_prod > 1) closeit = false;
-
- mag = abs(percent);
- if (mag >= 10) {
- SetDParam(2, mag);
- SetDParam(0, GetCargo(indspec->produced_cargo[j])->name);
- SetDParam(1, i->index);
- AddNewsItem(
- percent >= 0 ? STR_INDUSTRY_PROD_GOUP : STR_INDUSTRY_PROD_GODOWN,
- NEWS_FLAGS(NM_THIN, NF_VIEWPORT | NF_TILE, NT_ECONOMY, 0),
- i->xy + TileDiffXY(1, 1), 0
- );
- }
- }
- }
-
- if ((indspec->life_type & INDUSTRYLIFE_PROCESSING) != 0) {
- if ((byte)(_cur_year - i->last_prod_year) < 5 || !CHANCE16(1, 180)) closeit = false;
- }
-
- /* If industry will be closed down, show this */
- if (closeit && !CheckIndustryCloseDownProtection(i->type)) {
- i->prod_level = 0;
- SetDParam(0, i->index);
- AddNewsItem(
- indspec->closure_text,
- NEWS_FLAGS(NM_THIN, NF_VIEWPORT | NF_TILE, NT_OPENCLOSE, 0),
- i->xy + TileDiffXY(1, 1), 0
- );
- }
-}
-
-
static void UpdateIndustryStatistics(Industry *i)
{
byte pct;
@@ -1806,14 +1718,7 @@ static void UpdateIndustryStatistics(Industry *i)
}
}
- if (refresh)
- InvalidateWindow(WC_INDUSTRY_VIEW, i->index);
-
- if (i->prod_level == 0) {
- delete i;
- } else if (_patches.smooth_economy) {
- ExtChangeIndustryProduction(i);
- }
+ if (refresh) InvalidateWindow(WC_INDUSTRY_VIEW, i->index);
}
/** Simple helper that will collect data for the generation of industries */
@@ -1874,72 +1779,124 @@ static void MaybeNewIndustry(void)
NEWS_FLAGS(NM_THIN, NF_VIEWPORT | NF_TILE, NT_OPENCLOSE, 0), ind->xy, 0);
}
-static void ChangeIndustryProduction(Industry *i)
+/**
+ * Protects an industry from closure if the appropriate flags and conditions are met
+ * INDUSTRYBEH_CANCLOSE_LASTINSTANCE must be set (which, by default, it is not) and the
+ * count of industries of this type must one (or lower) in order to be protected
+ * against closure.
+ * @param type IndustryType been queried
+ * @result true if protection is on, false otherwise (except for oil wells)
+ */
+static bool CheckIndustryCloseDownProtection(IndustryType type)
{
- StringID str = STR_NULL;
- int type = i->type;
const IndustrySpec *indspec = GetIndustrySpec(type);
+ /* oil wells (or the industries with that flag set) are always allowed to closedown */
+ if (indspec->behaviour & INDUSTRYBEH_DONT_INCR_PROD && _opt.landscape == LT_TEMPERATE) return false;
+ return (indspec->behaviour & INDUSTRYBEH_CANCLOSE_LASTINSTANCE && GetIndustryTypeCount(type) <= 1);
+}
+
+/** Change industry production or do closure
+ * @param i Industry for which changes are performed
+ * @param monthly true if it's the monthly call, false if it's the random call
+ */
+static void ChangeIndustryProduction(Industry *i, bool monthly)
+{
+ if (monthly != _patches.smooth_economy) return;
+
+ StringID str = STR_NULL;
+ bool closeit = false;
+ const IndustrySpec *indspec = GetIndustrySpec(i->type);
+
if (indspec->life_type == INDUSTRYLIFE_BLACK_HOLE) return;
if ((indspec->life_type & (INDUSTRYLIFE_ORGANIC | INDUSTRYLIFE_EXTRACTIVE)) != 0) {
- bool only_decrease = false;
-
/* decrease or increase */
- if ((indspec->behaviour & INDUSTRYBEH_DONT_INCR_PROD) && _opt.landscape == LT_TEMPERATE)
- only_decrease = true;
+ bool only_decrease = (indspec->behaviour & INDUSTRYBEH_DONT_INCR_PROD) && _opt.landscape == LT_TEMPERATE;
- if (only_decrease || CHANCE16(1, 3)) {
- /* If you transport > 60%, 66% chance we increase, else 33% chance we increase */
- if (!only_decrease && (i->last_month_pct_transported[0] > 153) != CHANCE16(1, 3)) {
- /* Increase production */
- if (i->prod_level != 0x80) {
- byte b;
+ if (_patches.smooth_economy) {
+ closeit = true;
+ for (byte j = 0; j < 2 && indspec->produced_cargo[j] != CT_INVALID; j++){
+ uint32 r = Random();
+ int old_prod, new_prod, percent;
+ int mag;
- i->prod_level <<= 1;
+ new_prod = old_prod = i->production_rate[j];
- b = i->production_rate[0] * 2;
- if (i->production_rate[0] >= 128)
- b = 0xFF;
- i->production_rate[0] = b;
+ if (CHANCE16I(20, 1024, r)) new_prod -= max(((RandomRange(50) + 10) * old_prod) >> 8, 1U);
+ /* Chance of increasing becomes better when more is transported */
+ if (CHANCE16I(20 + (i->last_month_pct_transported[j] * 20 >> 8), 1024, r >> 16) && !only_decrease) {
+ new_prod += max(((RandomRange(50) + 10) * old_prod) >> 8, 1U);
+ }
- b = i->production_rate[1] * 2;
- if (i->production_rate[1] >= 128)
- b = 0xFF;
- i->production_rate[1] = b;
+ new_prod = clamp(new_prod, 1, 255);
+ /* Do not stop closing the industry when it has the lowest possible production rate */
+ if (new_prod == old_prod && old_prod > 1) {
+ closeit = false;
+ continue;
+ }
- str = indspec->production_up_text;
+ percent = (old_prod == 0) ? 100 : (new_prod * 100 / old_prod - 100);
+ i->production_rate[j] = new_prod;
+
+ /* Close the industry when it has the lowest possible production rate */
+ if (new_prod > 1) closeit = false;
+
+ mag = abs(percent);
+ if (mag >= 10) {
+ SetDParam(2, mag);
+ SetDParam(0, GetCargo(indspec->produced_cargo[j])->name);
+ SetDParam(1, i->index);
+ AddNewsItem(
+ percent >= 0 ? STR_INDUSTRY_PROD_GOUP : STR_INDUSTRY_PROD_GODOWN,
+ NEWS_FLAGS(NM_THIN, NF_VIEWPORT | NF_TILE, NT_ECONOMY, 0),
+ i->xy + TileDiffXY(1, 1), 0
+ );
}
- } else {
- /* Decrease production */
- if (i->prod_level == 4) {
- /* Really set the production to 0 when the industrytype allows it,
- * since it is equivalent to closing it. */
- if (!CheckIndustryCloseDownProtection(i->type)) {
- i->prod_level = 0;
- str = indspec->closure_text;
+ }
+ } else {
+ if (only_decrease || CHANCE16(1, 3)) {
+ /* If you transport > 60%, 66% chance we increase, else 33% chance we increase */
+ if (!only_decrease && (i->last_month_pct_transported[0] > 153) != CHANCE16(1, 3)) {
+ /* Increase production */
+ if (i->prod_level != 0x80) {
+ i->prod_level <<= 1;
+ i->production_rate[0] = min(i->production_rate[0] * 2, 0xFF);
+ i->production_rate[1] = min(i->production_rate[1] * 2, 0xFF);
+ if (str == STR_NULL) str = indspec->production_up_text;
}
} else {
- i->prod_level >>= 1;
- i->production_rate[0] = (i->production_rate[0] + 1) >> 1;
- i->production_rate[1] = (i->production_rate[1] + 1) >> 1;
-
- str = indspec->production_down_text;
+ /* Decrease production */
+ if (i->prod_level == 4) {
+ closeit = true;
+ } else {
+ i->prod_level >>= 1;
+ i->production_rate[0] = (i->production_rate[0] + 1) >> 1;
+ i->production_rate[1] = (i->production_rate[1] + 1) >> 1;
+ if (str == STR_NULL) str = indspec->production_down_text;
+ }
}
}
}
}
+
if (indspec->life_type & INDUSTRYLIFE_PROCESSING) {
- /* maybe close */
- if ( (byte)(_cur_year - i->last_prod_year) >= 5 && CHANCE16(1, 2) && !CheckIndustryCloseDownProtection(i->type)) {
- i->prod_level = 0;
- str = indspec->closure_text;
+ if ( (byte)(_cur_year - i->last_prod_year) >= 5 && CHANCE16(1, _patches.smooth_economy ? 180 : 2)) {
+ closeit = true;
}
}
+ /* Close if needed and allowed */
+ if (closeit && !CheckIndustryCloseDownProtection(i->type)) {
+ i->prod_level = 0;
+ str = indspec->closure_text;
+ }
+
if (str != STR_NULL) {
SetDParam(0, i->index);
- AddNewsItem(str, NEWS_FLAGS(NM_THIN, NF_VIEWPORT | NF_TILE, str == indspec->closure_text ? NT_OPENCLOSE : NT_ECONOMY, 0), i->xy + TileDiffXY(1, 1), 0);
+ AddNewsItem(str,
+ NEWS_FLAGS(NM_THIN, NF_VIEWPORT | NF_TILE, closeit ? NT_OPENCLOSE : NT_ECONOMY, 0),
+ i->xy + TileDiffXY(1, 1), 0);
}
}
@@ -1951,14 +1908,19 @@ void IndustryMonthlyLoop()
FOR_ALL_INDUSTRIES(i) {
UpdateIndustryStatistics(i);
+ if (i->prod_level == 0) {
+ delete i;
+ } else {
+ ChangeIndustryProduction(i, true);
+ }
}
/* 3% chance that we start a new industry */
if (CHANCE16(3, 100)) {
MaybeNewIndustry();
- } else if (!_patches.smooth_economy) {
+ } else {
i = GetRandomIndustry();
- if (i != NULL) ChangeIndustryProduction(i);
+ if (i != NULL) ChangeIndustryProduction(i, false);
}
_current_player = old_player;