Changeset - r16364:0d83a8ef6993
[Not reviewed]
master
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terkhen - 14 years ago 2010-11-06 12:37:55
terkhen@openttd.org
(svn r21090) -Codechange: Rename VehicleCache to NewGRFCache.
3 files changed with 30 insertions and 29 deletions:
0 comments (0 inline, 0 general)
src/newgrf_engine.cpp
Show inline comments
 
@@ -512,21 +512,21 @@ static uint32 VehicleGetVariable(const R
 
			return GetEngineGRFID(v->engine_type);
 

	
 
		case 0x40: // Get length of consist
 
			if (!HasBit(v->vcache.cache_valid, 0)) {
 
				v->vcache.cached_var40 = PositionHelper(v, false);
 
				SetBit(v->vcache.cache_valid, 0);
 
			if (!HasBit(v->grf_cache.cache_valid, 0)) {
 
				v->grf_cache.position_consist_length = PositionHelper(v, false);
 
				SetBit(v->grf_cache.cache_valid, 0);
 
			}
 
			return v->vcache.cached_var40;
 
			return v->grf_cache.position_consist_length;
 

	
 
		case 0x41: // Get length of same consecutive wagons
 
			if (!HasBit(v->vcache.cache_valid, 1)) {
 
				v->vcache.cached_var41 = PositionHelper(v, true);
 
				SetBit(v->vcache.cache_valid, 1);
 
			if (!HasBit(v->grf_cache.cache_valid, 1)) {
 
				v->grf_cache.position_same_id_length = PositionHelper(v, true);
 
				SetBit(v->grf_cache.cache_valid, 1);
 
			}
 
			return v->vcache.cached_var41;
 
			return v->grf_cache.position_same_id_length;
 

	
 
		case 0x42: // Consist cargo information
 
			if (!HasBit(v->vcache.cache_valid, 2)) {
 
			if (!HasBit(v->grf_cache.cache_valid, 2)) {
 
				const Vehicle *u;
 
				byte cargo_classes = 0;
 
				uint8 common_cargos[NUM_CARGO];
 
@@ -576,17 +576,17 @@ static uint32 VehicleGetVariable(const R
 
				}
 

	
 
				uint8 common_bitnum = (common_cargo_type == CT_INVALID ? 0xFF : CargoSpec::Get(common_cargo_type)->bitnum);
 
				v->vcache.cached_var42 = cargo_classes | (common_bitnum << 8) | (common_subtype << 16) | (user_def_data << 24);
 
				SetBit(v->vcache.cache_valid, 2);
 
				v->grf_cache.consist_cargo_information = cargo_classes | (common_bitnum << 8) | (common_subtype << 16) | (user_def_data << 24);
 
				SetBit(v->grf_cache.cache_valid, 2);
 
			}
 
			return v->vcache.cached_var42;
 
			return v->grf_cache.consist_cargo_information;
 

	
 
		case 0x43: // Company information
 
			if (!HasBit(v->vcache.cache_valid, 3)) {
 
				v->vcache.cached_var43 = v->owner | (Company::IsHumanID(v->owner) ? 0 : 0x10000) | (LiveryHelper(v->engine_type, v) << 24);
 
				SetBit(v->vcache.cache_valid, 3);
 
			if (!HasBit(v->grf_cache.cache_valid, 3)) {
 
				v->grf_cache.company_information = v->owner | (Company::IsHumanID(v->owner) ? 0 : 0x10000) | (LiveryHelper(v->engine_type, v) << 24);
 
				SetBit(v->grf_cache.cache_valid, 3);
 
			}
 
			return v->vcache.cached_var43;
 
			return v->grf_cache.company_information;
 

	
 
		case 0x44: // Aircraft information
 
			if (v->type != VEH_AIRCRAFT) return UINT_MAX;
src/openttd.cpp
Show inline comments
 
@@ -1133,7 +1133,7 @@ static void CheckCaches()
 
		uint length = 0;
 
		for (const Vehicle *u = v; u != NULL; u = u->Next()) length++;
 

	
 
		VehicleCache      *veh_cache = CallocT<VehicleCache>(length);
 
		NewGRFCache       *grf_cache = CallocT<NewGRFCache>(length);
 
		AccelerationCache *acc_cache = CallocT<AccelerationCache>(length);
 
		TrainCache        *tra_cache = CallocT<TrainCache>(length);
 
		RoadVehicleCache  *roa_cache = CallocT<RoadVehicleCache>(length);
 
@@ -1141,7 +1141,7 @@ static void CheckCaches()
 

	
 
		length = 0;
 
		for (const Vehicle *u = v; u != NULL; u = u->Next()) {
 
			veh_cache[length] = u->vcache;
 
			grf_cache[length] = u->grf_cache;
 
			switch (u->type) {
 
				case VEH_TRAIN:
 
					acc_cache[length] = Train::From(u)->acc_cache;
 
@@ -1168,8 +1168,8 @@ static void CheckCaches()
 

	
 
		length = 0;
 
		for (const Vehicle *u = v; u != NULL; u = u->Next()) {
 
			if (memcmp(&veh_cache[length], &u->vcache, sizeof(VehicleCache)) != 0) {
 
				DEBUG(desync, 2, "vehicle cache mismatch: type %i, vehicle %i, company %i, unit number %i, wagon %i", (int)v->type, v->index, (int)v->owner, v->unitnumber, length);
 
			if (memcmp(&grf_cache[length], &u->grf_cache, sizeof(NewGRFCache)) != 0) {
 
				DEBUG(desync, 2, "newgrf cache mismatch: type %i, vehicle %i, company %i, unit number %i, wagon %i", (int)v->type, v->index, (int)v->owner, v->unitnumber, length);
 
			}
 
			switch (u->type) {
 
				case VEH_TRAIN:
 
@@ -1199,7 +1199,7 @@ static void CheckCaches()
 
			length++;
 
		}
 

	
 
		free(veh_cache);
 
		free(grf_cache);
 
		free(acc_cache);
 
		free(tra_cache);
 
		free(roa_cache);
src/vehicle_base.h
Show inline comments
 
@@ -47,12 +47,13 @@ enum VehicleFlags {
 
};
 

	
 
/** Cached often queried (NewGRF) values */
 
struct VehicleCache {
 
	uint8 cache_valid;   ///< Whether the caches are valid
 
	uint32 cached_var40; ///< Cache for NewGRF var 40
 
	uint32 cached_var41; ///< Cache for NewGRF var 41
 
	uint32 cached_var42; ///< Cache for NewGRF var 42
 
	uint32 cached_var43; ///< Cache for NewGRF var 43
 
struct NewGRFCache {
 
	/* Values calculated when they are requested for the first time after invalidating the NewGRF cache. */
 
	uint32 position_consist_length;   ///< Cache for NewGRF var 40.
 
	uint32 position_same_id_length;   ///< Cache for NewGRF var 41.
 
	uint32 consist_cargo_information; ///< Cache for NewGRF var 42.
 
	uint32 company_information;       ///< Cache for NewGRF var 43.
 
	uint8  cache_valid;               ///< Bitset that indicates which cache values are valid.
 
};
 

	
 
/** A vehicle pool for a little over 1 million vehicles. */
 
@@ -189,7 +190,7 @@ public:
 

	
 
	byte subtype;                       ///< subtype (Filled with values from #EffectVehicles/#TrainSubTypes/#AircraftSubTypes)
 

	
 
	VehicleCache vcache;                ///< Cache of often used calculated values
 
	NewGRFCache grf_cache;              ///< Cache of often used calculated NewGRF values
 

	
 
	/** Create a new vehicle */
 
	Vehicle(VehicleType type = VEH_INVALID);
 
@@ -308,7 +309,7 @@ public:
 
	 */
 
	FORCEINLINE void InvalidateNewGRFCache()
 
	{
 
		this->vcache.cache_valid = 0;
 
		this->grf_cache.cache_valid = 0;
 
	}
 

	
 
	/**
0 comments (0 inline, 0 general)