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GRF: Extend EntityIDMapping/OverrideManagerBase to 16 bit entity IDs

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This commit is contained in:
Jonathan G Rennison
2023-02-10 22:57:19 +00:00
parent 3396411b58
commit 43d58ce6c8
6 changed files with 31 additions and 28 deletions
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19
src/saveload/newgrf_sl.cpp
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@@ -17,10 +17,15 @@
#include "../safeguards.h"
/** Save and load the mapping between a spec and the NewGRF it came from. */
static const SaveLoad _newgrf_mapping_desc[] = {
static const SaveLoad _newgrf_mapping_desc_old[] = {
SLE_VAR(EntityIDMapping, grfid, SLE_UINT32),
SLE_VAR(EntityIDMapping, entity_id, SLE_UINT8),
SLE_VAR(EntityIDMapping, substitute_id, SLE_UINT8),
SLE_VAR(EntityIDMapping, entity_id, SLE_FILE_U8 | SLE_VAR_U16),
SLE_VAR(EntityIDMapping, substitute_id, SLE_FILE_U8 | SLE_VAR_U16),
};
static const SaveLoad _newgrf_mapping_desc_new[] = {
SLE_VAR(EntityIDMapping, grfid, SLE_UINT32),
SLE_VAR(EntityIDMapping, entity_id, SLE_UINT16),
SLE_VAR(EntityIDMapping, substitute_id, SLE_UINT16),
};
/**
@@ -33,8 +38,8 @@ void Save_NewGRFMapping(const OverrideManagerBase &mapping)
if (mapping.mappings[i].grfid == 0 &&
mapping.mappings[i].entity_id == 0) continue;
SlSetArrayIndex(i);
SlSetLength(4 + 1 + 1);
SlObjectSaveFiltered(const_cast<EntityIDMapping *>(&mapping.mappings[i]), _newgrf_mapping_desc); // _newgrf_mapping_desc has no conditionals
SlSetLength(4 + 2 + 2);
SlObjectSaveFiltered(const_cast<EntityIDMapping *>(&mapping.mappings[i]), _newgrf_mapping_desc_new); // _newgrf_mapping_desc_new has no conditionals
}
}
@@ -50,10 +55,12 @@ void Load_NewGRFMapping(OverrideManagerBase &mapping)
uint max_id = mapping.GetMaxMapping();
SaveLoadTable slt = SlXvIsFeaturePresent(XSLFI_NEWGRF_ENTITY_EXTRA) ? SaveLoadTable(_newgrf_mapping_desc_new) : SaveLoadTable(_newgrf_mapping_desc_old);
int index;
while ((index = SlIterateArray()) != -1) {
if (unlikely((uint)index >= max_id)) SlErrorCorrupt("Too many NewGRF entity mappings");
SlObjectLoadFiltered(&mapping.mappings[index], _newgrf_mapping_desc); // _newgrf_mapping_desc has no conditionals
SlObjectLoadFiltered(&mapping.mappings[index], slt); // _newgrf_mapping_desc_old/_newgrf_mapping_desc_new has no conditionals
}
}