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(svn r23147) -Change: [NewGRF v8] Unify the return values of boolean callbacks, and check the results for validity.

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frosch
2011-11-08 17:26:49 +00:00
parent 930c6c7779
commit ebf19d6219
11 changed files with 90 additions and 28 deletions
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24
src/industry_cmd.cpp
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@@ -381,7 +381,7 @@ static Foundation GetFoundation_Industry(TileIndex tile, Slope tileh)
const IndustryTileSpec *indts = GetIndustryTileSpec(gfx);
if (indts->grf_prop.spritegroup[0] != NULL && HasBit(indts->callback_mask, CBM_INDT_DRAW_FOUNDATIONS)) {
uint32 callback_res = GetIndustryTileCallback(CBID_INDTILE_DRAW_FOUNDATIONS, 0, 0, gfx, Industry::GetByTile(tile), tile);
if (callback_res == 0) return FOUNDATION_NONE;
if (callback_res != CALLBACK_FAILED && !ConvertBooleanCallback(indts->grf_prop.grffile, CBID_INDTILE_DRAW_FOUNDATIONS, callback_res)) return FOUNDATION_NONE;
}
}
return FlatteningFoundation(tileh);
@@ -1103,9 +1103,14 @@ static void ProduceIndustryGoods(Industry *i)
i->produced_cargo_waiting[1] = min(0xffff, i->produced_cargo_waiting[1] + i->production_rate[1]);
if ((indbehav & INDUSTRYBEH_PLANT_FIELDS) != 0) {
bool plant;
uint16 cb_res = CALLBACK_FAILED;
if (HasBit(indsp->callback_mask, CBM_IND_SPECIAL_EFFECT)) {
plant = (GetIndustryCallback(CBID_INDUSTRY_SPECIAL_EFFECT, Random(), 0, i, i->type, i->location.tile) != 0);
cb_res = GetIndustryCallback(CBID_INDUSTRY_SPECIAL_EFFECT, Random(), 0, i, i->type, i->location.tile);
}
bool plant;
if (cb_res != CALLBACK_FAILED) {
plant = ConvertBooleanCallback(indsp->grf_prop.grffile, CBID_INDUSTRY_SPECIAL_EFFECT, cb_res);
} else {
plant = Chance16(1, 8);
}
@@ -1113,9 +1118,16 @@ static void ProduceIndustryGoods(Industry *i)
if (plant) PlantRandomFarmField(i);
}
if ((indbehav & INDUSTRYBEH_CUT_TREES) != 0) {
bool cut = ((i->counter % INDUSTRY_CUT_TREE_TICKS) == 0);
uint16 cb_res = CALLBACK_FAILED;
if (HasBit(indsp->callback_mask, CBM_IND_SPECIAL_EFFECT)) {
cut = (GetIndustryCallback(CBID_INDUSTRY_SPECIAL_EFFECT, Random(), 1, i, i->type, i->location.tile) != 0);
cb_res = GetIndustryCallback(CBID_INDUSTRY_SPECIAL_EFFECT, Random(), 1, i, i->type, i->location.tile);
}
bool cut;
if (cb_res != CALLBACK_FAILED) {
cut = ConvertBooleanCallback(indsp->grf_prop.grffile, CBID_INDUSTRY_SPECIAL_EFFECT, cb_res);
} else {
cut = ((i->counter % INDUSTRY_CUT_TREE_TICKS) == 0);
}
if (cut) ChopLumberMillTrees(i);
@@ -2734,7 +2746,7 @@ static CommandCost TerraformTile_Industry(TileIndex tile, DoCommandFlag flags, i
if (HasBit(itspec->callback_mask, CBM_INDT_AUTOSLOPE)) {
/* If the callback fails, allow autoslope. */
uint16 res = GetIndustryTileCallback(CBID_INDTILE_AUTOSLOPE, 0, 0, gfx, Industry::GetByTile(tile), tile);
if ((res == 0) || (res == CALLBACK_FAILED)) return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
if (res == CALLBACK_FAILED || !ConvertBooleanCallback(itspec->grf_prop.grffile, CBID_INDTILE_AUTOSLOPE, res)) return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
} else {
/* allow autoslope */
return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);