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Location: cpp/openttd-patchpack/source/src/newgrf_cargo.cpp
r8424:8ec8538eb70c
3.3 KiB
text/x-c
(svn r11994) -Codechange: Remove numbers from string names where the strings aren't present in TTD, since they don't correspond to either TTD's TextIDs or OpenTTD's StringIDs.
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#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, bool usebit)
{
/* Pre-version 7 uses the 'climate dependent' ID, i.e. cargo is the cargo ID */
if (grffile->grf_version < 7) {
if (!usebit) return cargo;
/* Else the cargo value is a 'climate independent' 'bitnum' */
if (HasBit(_cargo_mask, cargo)) return GetCargoIDByBitnum(cargo);
} else {
/* 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]);
}
return CT_INVALID;
}
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;;
}
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