@ -22,6 +22,8 @@
# include "date_func.h"
# include "town.h"
# include "viewport_func.h"
# include "newgrf_animation_base.h"
# include "newgrf_sound.h"
# include "safeguards.h"
@ -102,11 +104,23 @@ uint32 RoadStopScopeResolver::GetVariable(uint16 variable, uint32 parameter, Get
/* Company information */
case 0x47 : return GetCompanyInfo ( this - > st = = nullptr ? _current_company : this - > st - > owner ) ;
/* Animation frame */
case 0x49 : return this - > tile = = INVALID_TILE ? 0 : this - > st - > GetRoadStopAnimationFrame ( this - > tile ) ;
/* Variables which use the parameter */
/* Variables 0x60 to 0x65 and 0x69 are handled separately below */
/* Animation frame of nearby tile */
case 0x66 : {
if ( this - > tile = = INVALID_TILE ) return UINT_MAX ;
TileIndex tile = this - > tile ;
if ( parameter ! = 0 ) tile = GetNearbyTile ( parameter , tile ) ;
return ( IsAnyRoadStopTile ( tile ) & & GetStationIndex ( tile ) = = this - > st - > index ) ? this - > st - > GetRoadStopAnimationFrame ( tile ) : UINT_MAX ;
}
/* Land info of nearby tile */
case 0x67 : {
if ( this - > tile = = INVALID_TILE ) return 0 ;
TileIndex tile = this - > tile ;
if ( parameter ! = 0 ) tile = GetNearbyTile ( parameter , tile ) ; // only perform if it is required
return GetNearbyTileInformation ( tile , this - > ro . grffile - > grf_version > = 8 ) ;
@ -114,6 +128,7 @@ uint32 RoadStopScopeResolver::GetVariable(uint16 variable, uint32 parameter, Get
/* Road stop info of nearby tiles */
case 0x68 : {
if ( this - > tile = = INVALID_TILE ) return 0xFFFFFFFF ;
TileIndex nearby_tile = GetNearbyTile ( parameter , this - > tile ) ;
if ( ! IsAnyRoadStopTile ( nearby_tile ) ) return 0xFFFFFFFF ;
@ -132,6 +147,7 @@ uint32 RoadStopScopeResolver::GetVariable(uint16 variable, uint32 parameter, Get
/* GRFID of nearby road stop tiles */
case 0x6A : {
if ( this - > tile = = INVALID_TILE ) return 0xFFFFFFFF ;
TileIndex nearby_tile = GetNearbyTile ( parameter , this - > tile ) ;
if ( ! IsAnyRoadStopTile ( nearby_tile ) ) return 0xFFFFFFFF ;
@ -212,6 +228,12 @@ TownScopeResolver* RoadStopResolverObject::GetTown()
return this - > town_scope ;
}
uint16 GetRoadStopCallback ( CallbackID callback , uint32 param1 , uint32 param2 , const RoadStopSpec * roadstopspec , BaseStation * st , TileIndex tile , const RoadTypeInfo * rti , StationType type , uint8 view )
{
RoadStopResolverObject object ( roadstopspec , st , tile , rti , type , view , callback , param1 , param2 ) ;
return object . ResolveCallback ( ) ;
}
/**
* Draw representation of a road stop tile for GUI purposes .
* @ param x position x of image .
@ -272,6 +294,74 @@ void DrawRoadStopTile(int x, int y, RoadType roadtype, const RoadStopSpec *spec,
DrawCommonTileSeqInGUI ( x , y , dts , 0 , 0 , palette , true ) ;
}
/** Wrapper for animation control, see GetRoadStopCallback. */
uint16 GetAnimRoadStopCallback ( CallbackID callback , uint32 param1 , uint32 param2 , const RoadStopSpec * roadstopspec , BaseStation * st , TileIndex tile , int extra_data )
{
return GetRoadStopCallback ( callback , param1 , param2 , roadstopspec , st , tile , nullptr , GetStationType ( tile ) , GetStationGfx ( tile ) ) ;
}
struct RoadStopAnimationFrameAnimationHelper {
static byte Get ( BaseStation * st , TileIndex tile ) { return st - > GetRoadStopAnimationFrame ( tile ) ; }
static void Set ( BaseStation * st , TileIndex tile , byte frame ) { st - > SetRoadStopAnimationFrame ( tile , frame ) ; }
} ;
/** Helper class for animation control. */
struct RoadStopAnimationBase : public AnimationBase < RoadStopAnimationBase , RoadStopSpec , BaseStation , int , GetAnimRoadStopCallback , RoadStopAnimationFrameAnimationHelper > {
static const CallbackID cb_animation_speed = CBID_STATION_ANIMATION_SPEED ;
static const CallbackID cb_animation_next_frame = CBID_STATION_ANIM_NEXT_FRAME ;
static const RoadStopCallbackMask cbm_animation_speed = CBM_ROAD_STOP_ANIMATION_SPEED ;
static const RoadStopCallbackMask cbm_animation_next_frame = CBM_ROAD_STOP_ANIMATION_NEXT_FRAME ;
} ;
void AnimateRoadStopTile ( TileIndex tile )
{
const RoadStopSpec * ss = GetRoadStopSpec ( tile ) ;
if ( ss = = nullptr ) return ;
RoadStopAnimationBase : : AnimateTile ( ss , BaseStation : : GetByTile ( tile ) , tile , HasBit ( ss - > flags , RSF_CB141_RANDOM_BITS ) ) ;
}
uint8 GetRoadStopTileAnimationSpeed ( TileIndex tile )
{
const RoadStopSpec * ss = GetRoadStopSpec ( tile ) ;
if ( ss = = nullptr ) return 0 ;
return RoadStopAnimationBase : : GetAnimationSpeed ( ss ) ;
}
void TriggerRoadStopAnimation ( BaseStation * st , TileIndex trigger_tile , StationAnimationTrigger trigger , CargoID cargo_type )
{
/* Get Station if it wasn't supplied */
if ( st = = nullptr ) st = BaseStation : : GetByTile ( trigger_tile ) ;
/* Check the cached animation trigger bitmask to see if we need
* to bother with any further processing . */
if ( ! HasBit ( st - > cached_roadstop_anim_triggers , trigger ) ) return ;
uint16 random_bits = Random ( ) ;
auto process_tile = [ & ] ( TileIndex cur_tile ) {
const RoadStopSpec * ss = GetRoadStopSpec ( cur_tile ) ;
if ( ss ! = nullptr & & HasBit ( ss - > animation . triggers , trigger ) ) {
CargoID cargo ;
if ( cargo_type = = CT_INVALID ) {
cargo = CT_INVALID ;
} else {
cargo = ss - > grf_prop . grffile - > cargo_map [ cargo_type ] ;
}
RoadStopAnimationBase : : ChangeAnimationFrame ( CBID_STATION_ANIM_START_STOP , ss , st , cur_tile , ( random_bits < < 16 ) | Random ( ) , ( uint8 ) trigger | ( cargo < < 8 ) ) ;
}
} ;
if ( trigger = = SAT_NEW_CARGO | | trigger = = SAT_CARGO_TAKEN | | trigger = = SAT_250_TICKS ) {
for ( TileIndex cur_tile : st - > custom_road_stop_tiles ) {
process_tile ( cur_tile ) ;
}
} else {
process_tile ( trigger_tile ) ;
}
}
/**
* Trigger road stop randomisation
*
@ -286,8 +376,8 @@ void TriggerRoadStopRandomisation(Station *st, TileIndex tile, RoadStopRandomTri
/* Check the cached cargo trigger bitmask to see if we need
* to bother with any further processing . */
if ( st - > _cached _cargo_triggers = = 0 ) return ;
if ( cargo_type ! = CT_INVALID & & ! HasBit ( st - > _cached _cargo_triggers, cargo_type ) ) return ;
if ( st - > cached_ roadstop_cargo_triggers = = 0 ) return ;
if ( cargo_type ! = CT_INVALID & & ! HasBit ( st - > cached_ roadstop_cargo_triggers, cargo_type ) ) return ;
SetBit ( st - > waiting_triggers , trigger ) ;
@ -305,7 +395,7 @@ void TriggerRoadStopRandomisation(Station *st, TileIndex tile, RoadStopRandomTri
uint32 used_triggers = 0 ;
auto process_tile = [ & ] ( TileIndex cur_tile ) {
const RoadStopSpec * ss = GetRoadStopSpec ( ) ;
const RoadStopSpec * ss = GetRoadStopSpec ( cur_ tile) ;
if ( ss = = nullptr ) return ;
/* Cargo taken "will only be triggered if all of those
@ -315,10 +405,7 @@ void TriggerRoadStopRandomisation(Station *st, TileIndex tile, RoadStopRandomTri
}
if ( cargo_type = = CT_INVALID | | HasBit ( ss - > cargo_triggers , cargo_type ) ) {
int dir = GetRoadStopDir ( cur_tile ) ;
if ( IsDriveThroughStopTile ( cur_tile ) ) dir + = 4 ;
RoadStopResolverObject object ( ss , st , cur_tile , nullptr , GetStationType ( cur_tile ) , dir ) ;
RoadStopResolverObject object ( ss , st , cur_tile , nullptr , GetStationType ( cur_tile ) , GetStationGfx ( cur_tile ) ) ;
object . waiting_triggers = st - > waiting_triggers ;
const SpriteGroup * group = object . Resolve ( ) ;
@ -487,7 +574,8 @@ void DeallocateRoadStopSpecFromStation(BaseStation *st, byte specindex)
free ( st - > roadstop_speclist ) ;
st - > num_roadstop_specs = 0 ;
st - > roadstop_speclist = nullptr ;
st - > roadstop_cached_cargo_triggers = 0 ;
st - > cached_roadstop_anim_triggers = 0 ;
st - > cached_roadstop_cargo_triggers = 0 ;
return ;
}
}
@ -501,14 +589,16 @@ void DeallocateRoadStopSpecFromStation(BaseStation *st, byte specindex)
*/
void StationUpdateRoadStopCachedTriggers ( BaseStation * st )
{
st - > roadstop_cached_cargo_triggers = 0 ;
st - > cached_roadstop_anim_triggers = 0 ;
st - > cached_roadstop_cargo_triggers = 0 ;
/* Combine animation trigger bitmask for all road stop specs
* of this station . */
for ( uint i = 0 ; i < st - > num_roadstop_specs ; i + + ) {
const RoadStopSpec * ss = st - > roadstop_speclist [ i ] . spec ;
if ( ss ! = nullptr ) {
st - > roadstop_cached_cargo_triggers | = ss - > cargo_triggers ;
st - > cached_roadstop_anim_triggers | = ss - > animation . triggers ;
st - > cached_roadstop_cargo_triggers | = ss - > cargo_triggers ;
}
}
}
Jonathan G Rennison
2 years ago