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NewGRF: Add generic town callback to set town zone radii

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Jonathan G Rennison
2023-03-11 02:24:50 +00:00
parent 93c34775e4
commit ae99f667b0
10 changed files with 89 additions and 14 deletions
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38
src/newgrf_generic.cpp
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@@ -13,7 +13,10 @@
#include "industrytype.h"
#include "core/random_func.hpp"
#include "newgrf_sound.h"
#include "newgrf_town.h"
#include "newgrf_extension.h"
#include "water_map.h"
#include "string_func.h"
#include <list>
#include "safeguards.h"
@@ -261,3 +264,38 @@ void AmbientSoundEffectCallback(TileIndex tile)
if (callback != CALLBACK_FAILED) PlayTileSound(grf_file, callback, tile);
}
uint16 GetTownZonesCallback(Town *t)
{
TownResolverObject object(nullptr, t, true);
object.callback = XCBID_TOWN_ZONES;
const uint16 MAX_RETURN_VERSION = 0;
for (GenericCallbackList::const_iterator it = _gcl[GSF_FAKE_TOWNS].begin(); it != _gcl[GSF_FAKE_TOWNS].end(); ++it) {
if (!HasBit(it->file->observed_feature_tests, GFTOF_TOWN_ZONE_CALLBACK)) continue;
object.grffile = it->file;
object.root_spritegroup = it->group;
uint16 result = object.ResolveCallback();
if (result == CALLBACK_FAILED || result > MAX_RETURN_VERSION) continue;
return result;
}
return CALLBACK_FAILED;
}
void DumpGenericCallbackSpriteGroups(GrfSpecFeature feature, DumpSpriteGroupPrinter print)
{
SpriteGroupDumper dumper(print);
bool first = true;
for (GenericCallbackList::const_iterator it = _gcl[feature].begin(); it != _gcl[feature].end(); ++it) {
if (!first) print(nullptr, DSGPO_PRINT, 0, "");
char buffer[64];
seprintf(buffer, lastof(buffer), "GRF: %08X, town zone cb enabled: %s",
BSWAP32(it->file->grfid), HasBit(it->file->observed_feature_tests, GFTOF_TOWN_ZONE_CALLBACK) ? "yes" : "no");
print(nullptr, DSGPO_PRINT, 0, buffer);
first = false;
dumper.DumpSpriteGroup(it->group, 0);
}
}