From dc2073b96e0fef24c4973b44b9a6c568e6d533d1 Mon Sep 17 00:00:00 2001 From: peter1138 Date: Thu, 10 May 2007 06:42:43 +0000 Subject: (svn r9818) -Codechange: Cache wagon override sprite set whenever consist is changed, instead of 'recalculating' it every time it is used or just tested. --- src/newgrf_engine.cpp | 17 ++++++++--------- 1 file changed, 8 insertions(+), 9 deletions(-) (limited to 'src/newgrf_engine.cpp') diff --git a/src/newgrf_engine.cpp b/src/newgrf_engine.cpp index 4e72919cb..f7b6fd112 100644 --- a/src/newgrf_engine.cpp +++ b/src/newgrf_engine.cpp @@ -63,22 +63,22 @@ void SetWagonOverrideSprites(EngineID engine, CargoID cargo, const SpriteGroup * memcpy(wo->train_id, train_id, trains); } -static const SpriteGroup *GetWagonOverrideSpriteSet(EngineID engine, CargoID cargo, byte overriding_engine) +const SpriteGroup *GetWagonOverrideSpriteSet(EngineID engine, CargoID cargo, byte overriding_engine) { const WagonOverrides *wos = &_engine_wagon_overrides[engine]; - int i; /* XXX: This could turn out to be a timesink on profiles. We could * always just dedicate 65535 bytes for an [engine][train] trampoline * for O(1). Or O(logMlogN) and searching binary tree or smt. like * that. --pasky */ - for (i = 0; i < wos->overrides_count; i++) { + for (int i = 0; i < wos->overrides_count; i++) { const WagonOverride *wo = &wos->overrides[i]; - int j; - for (j = 0; j < wo->trains; j++) { - if (wo->train_id[j] == overriding_engine && (wo->cargo == cargo || wo->cargo == CT_DEFAULT)) return wo->group; + if (wo->cargo != cargo && wo->cargo != CT_DEFAULT) continue; + + for (int j = 0; j < wo->trains; j++) { + if (wo->train_id[j] == overriding_engine) return wo->group; } } return NULL; @@ -850,8 +850,7 @@ static const SpriteGroup *GetVehicleSpriteGroup(EngineID engine, const Vehicle * cargo = v->cargo_type; if (v->type == VEH_TRAIN) { - group = GetWagonOverrideSpriteSet(engine, cargo, v->u.rail.first_engine); - + group = v->u.rail.cached_override; if (group != NULL) return group; } } @@ -912,7 +911,7 @@ SpriteID GetRotorOverrideSprite(EngineID engine, const Vehicle *v, bool info_vie bool UsesWagonOverride(const Vehicle* v) { assert(v->type == VEH_TRAIN); - return GetWagonOverrideSpriteSet(v->engine_type, v->cargo_type, v->u.rail.first_engine) != NULL; + return v->u.rail.cached_override != NULL; } /** -- cgit v1.2.3-54-g00ecf