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@ r7939:523d421f9d0c
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Location: cpp/openttd-patchpack/source/src/newgrf_townname.cpp
r7939:523d421f9d0c
3.3 KiB
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(svn r11492) -Codechange: [OSX] Split the cocoa video driver into several files. The reason for this is that the fullscreen and windowed mode api are separate from each other in OS X and thus the driver actual is two drivers in one. This split is to make the code more readable and to prepare for replacing the Quickdraw windowed mode code which uses apis deprecated as of OS X 10.5 (and maybe earlier).
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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 "table/strings.h"
#include "newgrf_townname.h"
#include "string.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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