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(svn r10483) -Codechange: add support for callbacks to manipulate the building chance of farm fields and chopping chance for lumber mills.

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rubidium 2007-07-08 19:54:51 +00:00
parent 101722039e
commit 70d6fdeca0
2 changed files with 18 additions and 10 deletions
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26
src/industry_cmd.cpp
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@ -929,11 +929,6 @@ void PlantRandomFarmField(const Industry *i)
if (tile != INVALID_TILE) PlantFarmField(tile, i->index);
}
static void MaybePlantFarmField(const Industry *i)
{
if (CHANCE16(1, 8)) PlantRandomFarmField(i);
}
/**
* Search callback function for ChopLumberMillTrees
* @param tile to test
@ -998,10 +993,23 @@ static void ProduceIndustryGoods(Industry *i)
i->produced_cargo_waiting[0] = min(0xffff, i->produced_cargo_waiting[0] + i->production_rate[0]);
i->produced_cargo_waiting[1] = min(0xffff, i->produced_cargo_waiting[1] + i->production_rate[1]);
if (indbehav & INDUSTRYBEH_PLANT_FIELDS) {
MaybePlantFarmField(i);
} else if ((indbehav & INDUSTRYBEH_CUT_TREES) && (i->counter & 0x1FF) == 0) {
ChopLumberMillTrees(i);
if ((indbehav & INDUSTRYBEH_PLANT_FIELDS) != 0) {
bool plant;
if (HASBIT(indsp->callback_flags, CBM_IND_SPECIAL_EFFECT)) {
plant = (GetIndustryCallback(CBID_INDUSTRY_SPECIAL_EFFECT, Random(), 0, i, i->type, i->xy) != 0);
} else {
plant = CHANCE16(1, 8);
}
if (plant) PlantRandomFarmField(i);
}
if ((indbehav & INDUSTRYBEH_CUT_TREES) != 0) {
bool cut = ((i->counter & 0x1FF) == 0);
if (HASBIT(indsp->callback_flags, CBM_IND_SPECIAL_EFFECT)) {
cut = (GetIndustryCallback(CBID_INDUSTRY_SPECIAL_EFFECT, 0, 1, i, i->type, i->xy) != 0);
}
if (cut) ChopLumberMillTrees(i);
}
}
}

2
src/newgrf_callbacks.h
View File

@ -153,7 +153,7 @@ enum CallbackID {
CBID_INDUSTRY_WINDOW_MORE_TEXT = 0x3A,
/* Called to determine industry special effects */
CBID_INDUSTRY_SPECIAL_EFFECT = 0x3B, // not yet implemented
CBID_INDUSTRY_SPECIAL_EFFECT = 0x3B,
/* Called to determine if industry can alter the ground below industry tile */
CBID_INDUSTRY_AUTOSLOPE = 0x3C, // not yet implemented