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(svn r10442) -Codechange: implement the industry production callback.

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rubidium
2007-07-05 05:41:56 +00:00
parent 9bc6a1cc8e
commit 86c14c239f
7 changed files with 96 additions and 3 deletions
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39
src/newgrf_industries.cpp
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@@ -124,7 +124,7 @@ uint32 IndustryGetVariable(const ResolverObject *object, byte variable, byte par
case 0x42: { // waiting cargo, but only if those two callback flags are set
uint16 callback = indspec->callback_flags;
if (HASBIT(callback, CBM_IND_PRODUCTION_CARGO_ARRIVAL) || HASBIT(callback, CBM_IND_PRODUCTION_256_TICKS)) {
return max(industry->incoming_cargo_waiting[variable - 0x40], (uint16)0x7FFF);
return max(industry->incoming_cargo_waiting[variable - 0x40], (uint16)0xFFFF);
} else {
return 0;
}
@@ -263,3 +263,40 @@ uint16 GetIndustryCallback(uint16 callback, uint32 param1, uint32 param2, Indust
return group->g.callback.result;
}
static int32 DerefIndProd(uint field, bool use_register)
{
return use_register ? (int32)GetRegister(field) : field;
}
/**
* Get the industry production callback and apply it to the industry.
* @param ind the industry this callback has to be called for
* @param reason the reason it is called (0 = incoming cargo, 1 = periodic tick callback)
*/
void IndustryProductionCallback(Industry *ind, int reason)
{
ResolverObject object;
NewIndustryResolver(&object, INVALID_TILE, ind);
object.callback_param2 = reason;
for (uint loop = 0;; loop++) {
SB(object.callback_param2, 8, 16, loop);
const SpriteGroup *group = Resolve(GetIndustrySpec(ind->type)->grf_prop.spritegroup, &object);
if (group == NULL || group->type != SGT_INDUSTRY_PRODUCTION) break;
bool deref = (group->g.indprod.version == 1);
for (uint i = 0; i < 3; i++) {
ind->incoming_cargo_waiting[i] = clamp(ind->incoming_cargo_waiting[i] - DerefIndProd(group->g.indprod.substract_input[i], deref), 0, 0xFFFF);
}
for (uint i = 0; i < 2; i++) {
ind->produced_cargo_waiting[i] = clamp(ind->produced_cargo_waiting[i] + DerefIndProd(group->g.indprod.add_output[i], deref), 0, 0xFFFF);
}
int32 again = DerefIndProd(group->g.indprod.again, deref);
if (again == 0) break;
SB(object.callback_param2, 24, 8, again);
}
}