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@ r12637:f39ded7768d2
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Location: cpp/openttd-patchpack/source/src/newgrf_townname.cpp
r12637:f39ded7768d2
3.3 KiB
text/x-c
(svn r17102) -Update from WebTranslator v3.0:
polish - 69 changes by Adam123
spanish - 1 changes by Terkhen
polish - 69 changes by Adam123
spanish - 1 changes by Terkhen
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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 "newgrf_townname.h"
#include "core/alloc_func.hpp"
#include "string_func.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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