mirror of
https://github.com/JGRennison/OpenTTD-patches.git
synced 2024-11-17 21:25:40 +00:00
130 lines
3.3 KiB
C++
130 lines
3.3 KiB
C++
/* $Id$ */
|
|
|
|
#include "stdafx.h"
|
|
#include "openttd.h"
|
|
#include "debug.h"
|
|
#include "cargotype.h"
|
|
#include "newgrf.h"
|
|
#include "newgrf_callbacks.h"
|
|
#include "newgrf_spritegroup.h"
|
|
#include "newgrf_cargo.h"
|
|
|
|
|
|
static uint32 CargoGetRandomBits(const ResolverObject *object)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
|
|
static uint32 CargoGetTriggers(const ResolverObject *object)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
|
|
static void CargoSetTriggers(const ResolverObject *object, int triggers)
|
|
{
|
|
return;
|
|
}
|
|
|
|
|
|
static uint32 CargoGetVariable(const ResolverObject *object, byte variable, byte parameter, bool *available)
|
|
{
|
|
DEBUG(grf, 1, "Unhandled cargo property 0x%X", variable);
|
|
|
|
*available = false;
|
|
return 0;
|
|
}
|
|
|
|
|
|
static const SpriteGroup *CargoResolveReal(const ResolverObject *object, const SpriteGroup *group)
|
|
{
|
|
/* Cargo action 2s should always have only 1 "loaded" state, but some
|
|
* times things don't follow the spec... */
|
|
if (group->g.real.num_loaded > 0) return group->g.real.loaded[0];
|
|
if (group->g.real.num_loading > 0) return group->g.real.loading[0];
|
|
|
|
return NULL;
|
|
}
|
|
|
|
|
|
static void NewCargoResolver(ResolverObject *res, const CargoSpec *cs)
|
|
{
|
|
res->GetRandomBits = &CargoGetRandomBits;
|
|
res->GetTriggers = &CargoGetTriggers;
|
|
res->SetTriggers = &CargoSetTriggers;
|
|
res->GetVariable = &CargoGetVariable;
|
|
res->ResolveReal = &CargoResolveReal;
|
|
|
|
res->u.cargo.cs = cs;
|
|
|
|
res->callback = CBID_NO_CALLBACK;
|
|
res->callback_param1 = 0;
|
|
res->callback_param2 = 0;
|
|
res->last_value = 0;
|
|
res->trigger = 0;
|
|
res->reseed = 0;
|
|
}
|
|
|
|
|
|
SpriteID GetCustomCargoSprite(const CargoSpec *cs)
|
|
{
|
|
const SpriteGroup *group;
|
|
ResolverObject object;
|
|
|
|
NewCargoResolver(&object, cs);
|
|
|
|
group = Resolve(cs->group, &object);
|
|
if (group == NULL || group->type != SGT_RESULT) return 0;
|
|
|
|
return group->g.result.sprite;
|
|
}
|
|
|
|
|
|
uint16 GetCargoCallback(CallbackID callback, uint32 param1, uint32 param2, const CargoSpec *cs)
|
|
{
|
|
ResolverObject object;
|
|
const SpriteGroup *group;
|
|
|
|
NewCargoResolver(&object, cs);
|
|
object.callback = callback;
|
|
object.callback_param1 = param1;
|
|
object.callback_param2 = param2;
|
|
|
|
group = Resolve(cs->group, &object);
|
|
if (group == NULL || group->type != SGT_CALLBACK) return CALLBACK_FAILED;
|
|
|
|
return group->g.callback.result;
|
|
}
|
|
|
|
|
|
CargoID GetCargoTranslation(uint8 cargo, const GRFFile *grffile)
|
|
{
|
|
/* Pre-version 7 uses the 'climate dependent' ID, i.e. cargo is the cargo ID */
|
|
if (grffile->grf_version < 7) return HASBIT(_cargo_mask, cargo) ? cargo : (CargoID) CT_INVALID;
|
|
|
|
/* If the GRF contains a translation table (and the cargo is in bounds)
|
|
* then get the cargo ID for the label */
|
|
if (cargo < grffile->cargo_max) return GetCargoIDByLabel(grffile->cargo_list[cargo]);
|
|
|
|
/* Else the cargo value is a 'climate independent' 'bitnum' */
|
|
return GetCargoIDByBitnum(cargo);
|
|
}
|
|
|
|
uint8 GetReverseCargoTranslation(CargoID cargo, const GRFFile *grffile)
|
|
{
|
|
/* Pre-version 7 uses the 'climate dependent' ID, i.e. cargo is the cargo ID */
|
|
if (grffile->grf_version < 7) return cargo;
|
|
|
|
const CargoSpec *cs = GetCargo(cargo);
|
|
|
|
/* If the GRF contains a translation table (and the cargo is in the table)
|
|
* then get the cargo ID for the label */
|
|
for (uint i = 0; i < grffile->cargo_max; i++) {
|
|
if (cs->label == grffile->cargo_list[i]) return i;
|
|
}
|
|
|
|
/* No matching label was found, so we return the 'climate independent' 'bitnum' */
|
|
return cs->bitnum;;
|
|
}
|