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131 lines
3.7 KiB
C++
131 lines
3.7 KiB
C++
/* $Id$ */
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/*
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* This file is part of OpenTTD.
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* 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.
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* 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.
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* 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/>.
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*/
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/** @file newgrf_class_func.h Implementation of the NewGRF class' functions. */
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#include "newgrf_class.h"
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#include "table/strings.h"
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#define DEFINE_NEWGRF_CLASS_METHOD(type) \
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template <typename Tspec, typename Tid, Tid Tmax> \
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type NewGRFClass<Tspec, Tid, Tmax>
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/** Instantiate the array. */
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template <typename Tspec, typename Tid, Tid Tmax>
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NewGRFClass<Tspec, Tid, Tmax> NewGRFClass<Tspec, Tid, Tmax>::classes[Tmax];
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DEFINE_NEWGRF_CLASS_METHOD(void)::Reset()
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{
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for (Tid i = (Tid)0; i < Tmax; i++) {
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classes[i].global_id = 0;
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classes[i].name = STR_EMPTY;
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classes[i].count = 0;
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free(classes[i].spec);
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classes[i].spec = NULL;
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}
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InsertDefaults();
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}
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DEFINE_NEWGRF_CLASS_METHOD(Tid)::Allocate(uint32 global_id)
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{
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for (Tid i = (Tid)0; i < Tmax; i++) {
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if (classes[i].global_id == global_id) {
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/* ClassID is already allocated, so reuse it. */
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return i;
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} else if (classes[i].global_id == 0) {
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/* This class is empty, so allocate it to the global id. */
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classes[i].global_id = global_id;
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return i;
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}
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}
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grfmsg(2, "ClassAllocate: already allocated %d classes, using default", Tmax);
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return (Tid)0;
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}
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DEFINE_NEWGRF_CLASS_METHOD(void)::SetName(Tid cls_id, StringID name)
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{
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assert(cls_id < Tmax);
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classes[cls_id].name = name;
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}
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DEFINE_NEWGRF_CLASS_METHOD(void)::Assign(Tspec *spec)
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{
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assert(spec->cls_id < Tmax);
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NewGRFClass<Tspec, Tid, Tmax> *cls = &classes[spec->cls_id];
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uint i = cls->count++;
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cls->spec = ReallocT(cls->spec, cls->count);
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cls->spec[i] = spec;
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}
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DEFINE_NEWGRF_CLASS_METHOD(StringID)::GetName(Tid cls_id)
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{
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assert(cls_id < Tmax);
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return classes[cls_id].name;
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}
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DEFINE_NEWGRF_CLASS_METHOD(uint)::GetCount()
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{
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uint i;
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for (i = 0; i < Tmax && classes[i].global_id != 0; i++) {}
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return i;
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}
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DEFINE_NEWGRF_CLASS_METHOD(uint)::GetCount(Tid cls_id)
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{
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assert(cls_id < Tmax);
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return classes[cls_id].count;
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}
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DEFINE_NEWGRF_CLASS_METHOD(const Tspec *)::Get(Tid cls_id, uint index)
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{
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assert(cls_id < Tmax);
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if (index < classes[cls_id].count) return classes[cls_id].spec[index];
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/* If the custom spec isn't defined any more, then the GRF file probably was not loaded. */
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return NULL;
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}
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DEFINE_NEWGRF_CLASS_METHOD(const Tspec *)::GetByGrf(uint32 grfid, byte local_id, int *index)
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{
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uint j;
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for (Tid i = (Tid)0; i < Tmax; i++) {
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for (j = 0; j < classes[i].count; j++) {
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const Tspec *spec = classes[i].spec[j];
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if (spec == NULL) continue;
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if (spec->grf_prop.grffile->grfid == grfid && spec->grf_prop.local_id == local_id) {
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if (index != NULL) *index = j;
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return spec;
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}
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}
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}
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return NULL;
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}
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#undef DEFINE_NEWGRF_CLASS_METHOD
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/** Force instantiation of the methods so we don't get linker errors. */
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#define INSTANTIATE_NEWGRF_CLASS_METHODS(name, Tspec, Tid, Tmax) \
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template void name::Reset(); \
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template Tid name::Allocate(uint32 global_id); \
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template void name::SetName(Tid cls_id, StringID name); \
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template void name::Assign(Tspec *spec); \
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template StringID name::GetName(Tid cls_id); \
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template uint name::GetCount(); \
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template uint name::GetCount(Tid cls_id); \
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template const Tspec *name::Get(Tid cls_id, uint index); \
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template const Tspec *name::GetByGrf(uint32 grfid, byte localidx, int *index);
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