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authorpeter1138 <peter1138@openttd.org>2007-04-21 20:23:20 +0000
committerpeter1138 <peter1138@openttd.org>2007-04-21 20:23:20 +0000
commitfa180a15cce5c3be5c56b326c8ff5e6b4f01564d (patch)
tree7cdeccf7013b7d2cda977a4f2ea2be78de113203 /src
parenta5b77fad8744cf1ef3ae98959952f9b735c4a0c3 (diff)
downloadopenttd-fa180a15cce5c3be5c56b326c8ff5e6b4f01564d.tar.xz
(svn r9712) -Codechange: Implement accepted cargo types and cargo acceptance (there is a difference) callbacks for newhouses.
Diffstat (limited to 'src')
-rw-r--r--src/town_cmd.cpp38
1 files changed, 37 insertions, 1 deletions
diff --git a/src/town_cmd.cpp b/src/town_cmd.cpp
index 89b5bd1e2..cc0b8d416 100644
--- a/src/town_cmd.cpp
+++ b/src/town_cmd.cpp
@@ -413,8 +413,44 @@ static int32 ClearTile_Town(TileIndex tile, byte flags)
static void GetAcceptedCargo_Town(TileIndex tile, AcceptedCargo ac)
{
HouseSpec *hs = GetHouseSpecs(GetHouseType(tile));
+ CargoID accepts[3];
- for (uint8 i = 0; i < 3; i++) ac[hs->accepts_cargo[i]] = hs->cargo_acceptance[i];
+ /* Set the initial accepted cargo types */
+ for (uint8 i = 0; i < lengthof(accepts); i++) {
+ accepts[i] = hs->accepts_cargo[i];
+ }
+
+ /* Check for custom accepted cargo types */
+ if (HASBIT(hs->callback_mask, CBM_HOUSE_ACCEPT_CARGO)) {
+ uint16 callback = GetHouseCallback(CBID_HOUSE_ACCEPT_CARGO, 0, GetHouseType(tile), GetTownByTile(tile), tile);
+ if (callback != CALLBACK_FAILED) {
+ /* Replace accepted cargo types with translated values from callback */
+ accepts[0] = GetCargoTranslation(GB(callback, 0, 5), hs->grffile);
+ accepts[1] = GetCargoTranslation(GB(callback, 5, 5), hs->grffile);
+ accepts[2] = GetCargoTranslation(GB(callback, 10, 5), hs->grffile);
+ }
+ }
+
+ /* Check for custom cargo acceptance */
+ if (HASBIT(hs->callback_mask, CBM_CARGO_ACCEPTANCE)) {
+ uint16 callback = GetHouseCallback(CBID_HOUSE_CARGO_ACCEPTANCE, 0, GetHouseType(tile), GetTownByTile(tile), tile);
+ if (callback != CALLBACK_FAILED) {
+ if (accepts[0] != CT_INVALID) ac[accepts[0]] = GB(callback, 0, 4);
+ if (accepts[1] != CT_INVALID) ac[accepts[1]] = GB(callback, 4, 4);
+ if (_opt.landscape != LT_TEMPERATE && HASBIT(callback, 12)) {
+ /* The 'S' bit indicates food instead of goods */
+ ac[CT_FOOD] = GB(callback, 8, 4);
+ } else {
+ if (accepts[2] != CT_INVALID) ac[accepts[2]] = GB(callback, 8, 4);
+ }
+ return;
+ }
+ }
+
+ /* No custom acceptance, so fill in with the default values */
+ for (uint8 i = 0; i < lengthof(accepts); i++) {
+ if (accepts[i] != CT_INVALID) ac[accepts[i]] = hs->cargo_acceptance[i];
+ }
}
static void GetTileDesc_Town(TileIndex tile, TileDesc *td)