mirror of https://github.com/OpenTTD/OpenTTD.git
(svn r24688) -Codechange: Add resolver classes for generics.
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alberth
parent
c83db1395b
commit
348ef7f12c
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@ -18,6 +18,42 @@
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#include "water_map.h"
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#include <list>
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/** Scope resolver for generic objects and properties. */
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struct GenericScopeResolver : public ScopeResolver {
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CargoID cargo_type;
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uint8 default_selection;
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uint8 src_industry; ///< Source industry substitute type. 0xFF for "town", 0xFE for "unknown".
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uint8 dst_industry; ///< Destination industry substitute type. 0xFF for "town", 0xFE for "unknown".
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uint8 distance;
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AIConstructionEvent event;
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uint8 count;
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uint8 station_size;
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GenericScopeResolver(ResolverObject *ro, bool ai_callback);
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/* virtual */ uint32 GetVariable(byte variable, uint32 parameter, bool *available) const;
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private:
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bool ai_callback; ///< Callback comes from the AI.
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};
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/** Resolver object for generic objects/properties. */
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struct GenericResolverObject : public ResolverObject {
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GenericScopeResolver generic_scope;
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GenericResolverObject(bool ai_callback, CallbackID callback = CBID_NO_CALLBACK);
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/* virtual */ ScopeResolver *GetScope(VarSpriteGroupScope scope = VSG_SCOPE_SELF, byte relative = 0)
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{
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switch (scope) {
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case VSG_SCOPE_SELF: return &this->generic_scope;
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default: return &this->default_scope; // XXX ResolverObject::GetScope(scope, relative);
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}
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}
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/* virtual */ const SpriteGroup *ResolveReal(const RealSpriteGroup *group) const;
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};
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struct GenericCallback {
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const GRFFile *file;
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@ -64,49 +100,24 @@ void AddGenericCallback(uint8 feature, const GRFFile *file, const SpriteGroup *g
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_gcl[feature].push_front(GenericCallback(file, group));
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}
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static uint32 GenericCallbackGetRandomBits(const ResolverObject *object)
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/* virtual */ uint32 GenericScopeResolver::GetVariable(byte variable, uint32 parameter, bool *available) const
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{
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return 0;
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}
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if (this->ai_callback) {
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switch (variable) {
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case 0x40: return this->ro->grffile->cargo_map[this->cargo_type];
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case 0x80: return this->cargo_type;
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case 0x81: return CargoSpec::Get(this->cargo_type)->bitnum;
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case 0x82: return this->default_selection;
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case 0x83: return this->src_industry;
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case 0x84: return this->dst_industry;
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case 0x85: return this->distance;
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case 0x86: return this->event;
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case 0x87: return this->count;
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case 0x88: return this->station_size;
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static uint32 GenericCallbackGetTriggers(const ResolverObject *object)
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{
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return 0;
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}
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static void GenericCallbackSetTriggers(const ResolverObject *object, int triggers)
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{
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return;
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}
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static uint32 GenericCallbackGetVariable(const ResolverObject *object, byte variable, uint32 parameter, bool *available)
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{
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DEBUG(grf, 1, "Unhandled generic feature variable 0x%02X", variable);
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*available = false;
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return UINT_MAX;
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}
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static uint32 GenericAiCallbackGetVariable(const ResolverObject *object, byte variable, uint32 parameter, bool *available)
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{
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switch (variable) {
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case 0x40: return object->grffile->cargo_map[object->u.generic.cargo_type];
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case 0x80: return object->u.generic.cargo_type;
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case 0x81: return CargoSpec::Get(object->u.generic.cargo_type)->bitnum;
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case 0x82: return object->u.generic.default_selection;
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case 0x83: return object->u.generic.src_industry;
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case 0x84: return object->u.generic.dst_industry;
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case 0x85: return object->u.generic.distance;
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case 0x86: return object->u.generic.event;
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case 0x87: return object->u.generic.count;
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case 0x88: return object->u.generic.station_size;
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default: break;
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default: break;
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}
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}
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DEBUG(grf, 1, "Unhandled generic feature variable 0x%02X", variable);
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@ -116,7 +127,7 @@ static uint32 GenericAiCallbackGetVariable(const ResolverObject *object, byte va
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}
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static const SpriteGroup *GenericCallbackResolveReal(const ResolverObject *object, const RealSpriteGroup *group)
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/* virtual */ const SpriteGroup *GenericResolverObject::ResolveReal(const RealSpriteGroup *group) const
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{
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if (group->num_loaded == 0) return NULL;
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@ -124,18 +135,21 @@ static const SpriteGroup *GenericCallbackResolveReal(const ResolverObject *objec
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}
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static inline void NewGenericResolver(ResolverObject *res, bool ai_callback)
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GenericResolverObject::GenericResolverObject(bool ai_callback, CallbackID callback) : ResolverObject(NULL, callback), generic_scope(this, ai_callback)
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{
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res->GetRandomBits = &GenericCallbackGetRandomBits;
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res->GetTriggers = &GenericCallbackGetTriggers;
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res->SetTriggers = &GenericCallbackSetTriggers;
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res->GetVariable = ai_callback ? &GenericAiCallbackGetVariable : &GenericCallbackGetVariable;
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res->ResolveRealMethod = &GenericCallbackResolveReal;
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}
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res->callback = CBID_NO_CALLBACK;
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res->callback_param1 = 0;
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res->callback_param2 = 0;
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res->ResetState();
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GenericScopeResolver::GenericScopeResolver(ResolverObject *ro, bool ai_callback) : ScopeResolver(ro)
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{
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this->cargo_type = 0;
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this->default_selection = 0;
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this->src_industry = 0;
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this->dst_industry = 0;
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this->distance = 0;
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this->event = (AIConstructionEvent)0;
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this->count = 0;
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this->station_size = 0;
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this->ai_callback = ai_callback;
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}
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@ -192,9 +206,7 @@ static uint16 GetGenericCallbackResult(uint8 feature, ResolverObject *object, ui
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*/
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uint16 GetAiPurchaseCallbackResult(uint8 feature, CargoID cargo_type, uint8 default_selection, IndustryType src_industry, IndustryType dst_industry, uint8 distance, AIConstructionEvent event, uint8 count, uint8 station_size, const GRFFile **file)
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{
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ResolverObject object;
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NewGenericResolver(&object, true);
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GenericResolverObject object(true, CBID_GENERIC_AI_PURCHASE_SELECTION);
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if (src_industry != IT_AI_UNKNOWN && src_industry != IT_AI_TOWN) {
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const IndustrySpec *is = GetIndustrySpec(src_industry);
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@ -208,15 +220,14 @@ uint16 GetAiPurchaseCallbackResult(uint8 feature, CargoID cargo_type, uint8 defa
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if (is->grf_prop.subst_id != INVALID_INDUSTRYTYPE) dst_industry = is->grf_prop.subst_id;
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}
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object.callback = CBID_GENERIC_AI_PURCHASE_SELECTION;
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object.u.generic.cargo_type = cargo_type;
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object.u.generic.default_selection = default_selection;
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object.u.generic.src_industry = src_industry;
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object.u.generic.dst_industry = dst_industry;
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object.u.generic.distance = distance;
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object.u.generic.event = event;
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object.u.generic.count = count;
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object.u.generic.station_size = station_size;
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object.generic_scope.cargo_type = cargo_type;
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object.generic_scope.default_selection = default_selection;
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object.generic_scope.src_industry = src_industry;
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object.generic_scope.dst_industry = dst_industry;
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object.generic_scope.distance = distance;
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object.generic_scope.event = event;
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object.generic_scope.count = count;
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object.generic_scope.station_size = station_size;
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uint16 callback = GetGenericCallbackResult(feature, &object, 0, 0, file);
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if (callback != CALLBACK_FAILED) callback = GB(callback, 0, 8);
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@ -236,11 +247,8 @@ void AmbientSoundEffectCallback(TileIndex tile)
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uint32 r; // Save for later
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if (!Chance16R(1, 200, r)) return;
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ResolverObject object;
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/* Prepare resolver object. */
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NewGenericResolver(&object, false);
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object.callback = CBID_SOUNDS_AMBIENT_EFFECT;
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GenericResolverObject object(false, CBID_SOUNDS_AMBIENT_EFFECT);
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uint32 param1_v7 = GetTileType(tile) << 28 | Clamp(TileHeight(tile), 0, 15) << 24 | GB(r, 16, 8) << 16 | GetTerrainType(tile);
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uint32 param1_v8 = GetTileType(tile) << 24 | GetTileZ(tile) << 16 | GB(r, 16, 8) << 8 | (HasTileWaterClass(tile) ? GetWaterClass(tile) : 0) << 3 | GetTerrainType(tile);
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@ -363,16 +363,6 @@ struct ResolverObject {
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IndustryGfx gfx;
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IndustryType type;
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} industry;
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struct {
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CargoID cargo_type;
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uint8 default_selection;
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uint8 src_industry; ///< Source industry substitute type. 0xFF for "town", 0xFE for "unknown".
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uint8 dst_industry; ///< Destination industry substitute type. 0xFF for "town", 0xFE for "unknown".
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uint8 distance;
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AIConstructionEvent event;
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uint8 count;
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uint8 station_size;
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} generic;
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} u;
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uint32 (*GetRandomBits)(const struct ResolverObject*);
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