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@ r8781:bd977c904a17
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Location: cpp/openttd-patchpack/source/src/newgrf_townname.cpp
r8781:bd977c904a17
3.3 KiB
text/x-c
(svn r12482) -Fix: [build train] we don't need to have a depot in order to just check the price of a rail vehicle so don't check for compatible rails on the tile either
also wagons will only need tracks they can drive on in order to be build so there is no reason to check for power in the depot
also wagons will only need tracks they can drive on in order to be build so there is no reason to check for power in the depot
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/** @file newgrf_townname.cpp
* Implementation of Action 0F "universal holder" structure and functions.
* This file implements a linked-lists of townname generators,
* holding everything that the newgrf action 0F will send over to OpenTTD.
*/
#include "stdafx.h"
#include "openttd.h"
#include "newgrf_townname.h"
#include "core/alloc_func.hpp"
#include "string_func.h"
#include "table/strings.h"
static GRFTownName *_grf_townnames = NULL;
GRFTownName *GetGRFTownName(uint32 grfid)
{
GRFTownName *t = _grf_townnames;
for (; t != NULL; t = t->next) {
if (t->grfid == grfid) return t;
}
return NULL;
}
GRFTownName *AddGRFTownName(uint32 grfid)
{
GRFTownName *t = GetGRFTownName(grfid);
if (t == NULL) {
t = CallocT<GRFTownName>(1);
t->grfid = grfid;
t->next = _grf_townnames;
_grf_townnames = t;
}
return t;
}
void DelGRFTownName(uint32 grfid)
{
GRFTownName *t = _grf_townnames;
GRFTownName *p = NULL;
for (;t != NULL; p = t, t = t->next) if (t->grfid == grfid) break;
if (t != NULL) {
for (int i = 0; i < 128; i++) {
for (int j = 0; j < t->nbparts[i]; j++) {
for (int k = 0; k < t->partlist[i][j].partcount; k++) {
if (!HasBit(t->partlist[i][j].parts[k].prob, 7)) free(t->partlist[i][j].parts[k].data.text);
}
free(t->partlist[i][j].parts);
}
free(t->partlist[i]);
}
if (p != NULL) {
p->next = t->next;
} else {
_grf_townnames = t->next;
}
free(t);
}
}
static char *RandomPart(char *buf, GRFTownName *t, uint32 seed, byte id, const char *last)
{
assert(t != NULL);
for (int i = 0; i < t->nbparts[id]; i++) {
byte count = t->partlist[id][i].bitcount;
uint16 maxprob = t->partlist[id][i].maxprob;
uint32 r = (GB(seed, t->partlist[id][i].bitstart, count) * maxprob) >> count;
for (int j = 0; j < t->partlist[id][i].partcount; j++) {
byte prob = t->partlist[id][i].parts[j].prob;
maxprob -= GB(prob, 0, 7);
if (maxprob > r) continue;
if (HasBit(prob, 7)) {
buf = RandomPart(buf, t, seed, t->partlist[id][i].parts[j].data.id, last);
} else {
buf = strecat(buf, t->partlist[id][i].parts[j].data.text, last);
}
break;
}
}
return buf;
}
char *GRFTownNameGenerate(char *buf, uint32 grfid, uint16 gen, uint32 seed, const char *last)
{
strecpy(buf, "", last);
for (GRFTownName *t = _grf_townnames; t != NULL; t = t->next) {
if (t->grfid == grfid) {
assert(gen < t->nb_gen);
buf = RandomPart(buf, t, seed, t->id[gen], last);
break;
}
}
return buf;
}
StringID *GetGRFTownNameList()
{
int nb_names = 0, n = 0;
for (GRFTownName *t = _grf_townnames; t != NULL; t = t->next) nb_names += t->nb_gen;
StringID *list = MallocT<StringID>(nb_names + 1);
for (GRFTownName *t = _grf_townnames; t != NULL; t = t->next) {
for (int j = 0; j < t->nb_gen; j++) list[n++] = t->name[j];
}
list[n] = INVALID_STRING_ID;
return list;
}
void CleanUpGRFTownNames()
{
while (_grf_townnames != NULL) DelGRFTownName(_grf_townnames->grfid);
}
uint32 GetGRFTownNameId(int gen)
{
for (GRFTownName *t = _grf_townnames; t != NULL; t = t->next) {
if (gen < t->nb_gen) return t->grfid;
gen -= t->nb_gen;
}
/* Fallback to no NewGRF */
return 0;
}
uint16 GetGRFTownNameType(int gen)
{
for (GRFTownName *t = _grf_townnames; t != NULL; t = t->next) {
if (gen < t->nb_gen) return gen;
gen -= t->nb_gen;
}
/* Fallback to english original */
return SPECSTR_TOWNNAME_ENGLISH;
}
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