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(svn r10477) -Codechange: add some callbacks to customise the acceptance of industries.

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rubidium
2007-07-08 17:40:04 +00:00
parent fd2d677849
commit 283a06e4a1
5 changed files with 57 additions and 15 deletions
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32
src/industry_cmd.cpp
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@@ -330,12 +330,36 @@ static Slope GetSlopeTileh_Industry(TileIndex tile, Slope tileh)
static void GetAcceptedCargo_Industry(TileIndex tile, AcceptedCargo ac)
{
const IndustryTileSpec *itspec = GetIndustryTileSpec(GetIndustryGfx(tile));
CargoID a;
IndustryGfx gfx = GetIndustryGfx(tile);
const IndustryTileSpec *itspec = GetIndustryTileSpec(gfx);
/* When we have to use a callback, we put our data in the next two variables */
CargoID raw_accepts_cargo[lengthof(itspec->accepts_cargo)];
uint8 raw_acceptance[lengthof(itspec->acceptance)];
/* And then these will always point to a same sized array with the required data */
const CargoID *accepts_cargo = itspec->accepts_cargo;
const uint8 *acceptance = itspec->acceptance;
if (HASBIT(itspec->callback_flags, CBM_INDT_ACCEPT_CARGO)) {
uint16 res = GetIndustryTileCallback(CBID_INDTILE_ACCEPT_CARGO, 0, 0, gfx, GetIndustryByTile(tile), tile);
if (res != CALLBACK_FAILED) {
accepts_cargo = raw_accepts_cargo;
for (uint i = 0; i < lengthof(itspec->accepts_cargo); i++) raw_accepts_cargo[i] = GetCargoTranslation(GB(res, i * 5, 5), itspec->grf_prop.grffile);
}
}
if (HASBIT(itspec->callback_flags, CBM_INDT_CARGO_ACCEPTANCE)) {
uint16 res = GetIndustryTileCallback(CBID_INDTILE_CARGO_ACCEPTANCE, 0, 0, gfx, GetIndustryByTile(tile), tile);
if (res != CALLBACK_FAILED) {
acceptance = raw_acceptance;
for (uint i = 0; i < lengthof(itspec->accepts_cargo); i++) raw_acceptance[i] = GB(res, i * 4, 4);
}
}
for (byte i = 0; i < lengthof(itspec->accepts_cargo); i++) {
a = itspec->accepts_cargo[i];
if (a != CT_INVALID) ac[a] = itspec->acceptance[i];
CargoID a = accepts_cargo[i];
if (a != CT_INVALID) ac[a] = acceptance[i];
}
}