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-rw-r--r--src/newgrf_commons.cpp31
1 files changed, 16 insertions, 15 deletions
diff --git a/src/newgrf_commons.cpp b/src/newgrf_commons.cpp
index 5afcab114..6c8743f31 100644
--- a/src/newgrf_commons.cpp
+++ b/src/newgrf_commons.cpp
@@ -86,6 +86,12 @@ uint16 OverrideManagerBase::GetID(uint8 grf_local_id, uint32 grfid)
return id;
}
}
+
+ /* No mapping found, try the overrides */
+ for (uint16 id = 0; id < max_offset; id++) {
+ if (entity_overrides[id] == grf_local_id && grfid_overrides[id] == grfid) return id;
+ }
+
return invalid_ID;
}
@@ -169,6 +175,9 @@ uint16 IndustryOverrideManager::AddEntityID(byte grf_local_id, uint32 grfid, byt
{
/* This entity hasn't been defined before, so give it an ID now. */
for (uint16 id = 0; id < max_new_entities; id++) {
+ /* Skip overriden industries */
+ if (id < max_offset && entity_overrides[id] != invalid_ID) continue;
+
/* Get the real live industry */
const IndustrySpec *inds = GetIndustrySpec(id);
@@ -201,21 +210,13 @@ void IndustryOverrideManager::SetEntitySpec(IndustrySpec *inds)
/* First step : We need to find if this industry is already specified in the savegame data */
IndustryType ind_id = this->GetID(inds->grf_prop.local_id, inds->grf_prop.grffile->grfid);
- if (ind_id == invalid_ID) { // not found? So this is the introduction of a new industry
- /* Second step is dealing with the override. */
- if (inds->grf_prop.override != invalid_ID && _industry_specs[inds->grf_prop.override].grf_prop.grffile == NULL) {
- /* this is an override, which means it will take the place of the industry it is
- * designed to replace. Before we conclude that the override is allowed,
- * we first need to verify that the slot is not holding another industry from a grf
- * If it's the case,it will be considered as a normal substitute */
- ind_id = inds->grf_prop.override;
- } else {
- /* It has already been overriden, so you've lost your place old boy.
- * Or it is a simple substitute.
- * In both case, we need to find a free available slot */
- ind_id = this->AddEntityID(inds->grf_prop.local_id, inds->grf_prop.grffile->grfid, inds->grf_prop.subst_id);
- inds->grf_prop.override = invalid_ID; // make sure it will not be detected as overriden
- }
+ if (ind_id == invalid_ID) {
+ /* Not found.
+ * Or it has already been overriden, so you've lost your place old boy.
+ * Or it is a simple substitute.
+ * We need to find a free available slot */
+ ind_id = this->AddEntityID(inds->grf_prop.local_id, inds->grf_prop.grffile->grfid, inds->grf_prop.subst_id);
+ inds->grf_prop.override = invalid_ID; // make sure it will not be detected as overriden
}
if (ind_id == invalid_ID) {