Files
@ r16729:482bfc615285
Branch filter:
Location: cpp/openttd-patchpack/source/src/newgrf_cargo.cpp
r16729:482bfc615285
4.1 KiB
text/x-c
(svn r21472) -Fix [FS#4298] (r21459-ish): make sure the query window is only opened once per parent window / callback.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 | /* $Id$ */
/*
* This file is part of OpenTTD.
* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file newgrf_cargo.cpp Implementation of NewGRF cargoes. */
#include "stdafx.h"
#include "debug.h"
#include "newgrf.h"
#include "newgrf_spritegroup.h"
#include "core/bitmath_func.hpp"
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 variable 0x%X", variable);
*available = false;
return UINT_MAX;
}
static const SpriteGroup *CargoResolveReal(const ResolverObject *object, const RealSpriteGroup *group)
{
/* Cargo action 2s should always have only 1 "loaded" state, but some
* times things don't follow the spec... */
if (group->num_loaded > 0) return group->loaded[0];
if (group->num_loading > 0) return group->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;
res->count = 0;
res->grffile = cs->grffile;
}
SpriteID GetCustomCargoSprite(const CargoSpec *cs)
{
const SpriteGroup *group;
ResolverObject object;
NewCargoResolver(&object, cs);
group = SpriteGroup::Resolve(cs->group, &object);
if (group == NULL) return 0;
return group->GetResult();
}
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 = SpriteGroup::Resolve(cs->group, &object);
if (group == NULL) return CALLBACK_FAILED;
return group->GetCallbackResult();
}
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... */
if (grffile->cargo_max > 0) {
/* ...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 {
/* Else the cargo value is a 'climate independent' 'bitnum' */
if (HasBit(_cargo_mask, cargo)) return GetCargoIDByBitnum(cargo);
}
}
return CT_INVALID;
}
uint8 GetReverseCargoTranslation(CargoID cargo, const GRFFile *grffile)
{
/* Note: All grf versions use CargoBit here. Pre-version 7 do NOT use the 'climate dependent' ID. */
const CargoSpec *cs = CargoSpec::Get(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;
}
|