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Location: cpp/openttd-patchpack/source/src/newgrf_townname.cpp - annotation
r27487:4d1c2a7bde00
3.5 KiB
text/x-c
Codechange: remove queue_wrap / last_position from mouse movement
No backend uses it anymore, so also no longer any need to support
it.
No backend uses it anymore, so also no longer any need to support
it.
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* 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_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"
#include "table/strings.h"
#include "safeguards.h"
static std::vector<GRFTownName> _grf_townnames;
static std::vector<StringID> _grf_townname_names;
GRFTownName *GetGRFTownName(uint32 grfid)
{
auto found = std::find_if(std::begin(_grf_townnames), std::end(_grf_townnames), [&grfid](const GRFTownName &t){ return t.grfid == grfid; });
if (found != std::end(_grf_townnames)) return &*found;
return nullptr;
}
GRFTownName *AddGRFTownName(uint32 grfid)
{
GRFTownName *t = GetGRFTownName(grfid);
if (t == nullptr) {
t = &_grf_townnames.emplace_back();
t->grfid = grfid;
}
return t;
}
void DelGRFTownName(uint32 grfid)
{
_grf_townnames.erase(std::find_if(std::begin(_grf_townnames), std::end(_grf_townnames), [&grfid](const GRFTownName &t){ return t.grfid == grfid; }));
}
static char *RandomPart(char *buf, const GRFTownName *t, uint32 seed, byte id, const char *last)
{
assert(t != nullptr);
for (const auto &partlist : t->partlists[id]) {
byte count = partlist.bitcount;
uint16 maxprob = partlist.maxprob;
uint32 r = (GB(seed, partlist.bitstart, count) * maxprob) >> count;
for (const auto &part : partlist.parts) {
maxprob -= GB(part.prob, 0, 7);
if (maxprob > r) continue;
if (HasBit(part.prob, 7)) {
buf = RandomPart(buf, t, seed, part.id, last);
} else {
buf = strecat(buf, part.text.c_str(), last);
}
break;
}
}
return buf;
}
char *GRFTownNameGenerate(char *buf, uint32 grfid, uint16 gen, uint32 seed, const char *last)
{
strecpy(buf, "", last);
const GRFTownName *t = GetGRFTownName(grfid);
if (t != nullptr) {
assert(gen < t->styles.size());
buf = RandomPart(buf, t, seed, t->styles[gen].id, last);
}
return buf;
}
/** Allocate memory for the NewGRF town names. */
void InitGRFTownGeneratorNames()
{
_grf_townname_names.clear();
for (const auto &t : _grf_townnames) {
for (const auto &style : t.styles) {
_grf_townname_names.push_back(style.name);
}
}
}
const std::vector<StringID>& GetGRFTownNameList()
{
return _grf_townname_names;
}
StringID GetGRFTownNameName(uint16 gen)
{
return gen < _grf_townname_names.size() ? _grf_townname_names[gen] : STR_UNDEFINED;
}
void CleanUpGRFTownNames()
{
_grf_townnames.clear();
}
uint32 GetGRFTownNameId(uint16 gen)
{
for (const auto &t : _grf_townnames) {
if (gen < t.styles.size()) return t.grfid;
gen -= static_cast<uint16>(t.styles.size());
}
/* Fallback to no NewGRF */
return 0;
}
uint16 GetGRFTownNameType(uint16 gen)
{
for (const auto &t : _grf_townnames) {
if (gen < t.styles.size()) return gen;
gen -= static_cast<uint16>(t.styles.size());
}
/* Fallback to english original */
return SPECSTR_TOWNNAME_ENGLISH;
}
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