1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
|
/* $Id$ */
/*
* This file is part of OpenTTD.
* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file newgrf_station.h Header file for NewGRF stations */
#ifndef NEWGRF_STATION_H
#define NEWGRF_STATION_H
#include "newgrf_animation_type.h"
#include "newgrf_callbacks.h"
#include "newgrf_class.h"
#include "newgrf_commons.h"
#include "cargo_type.h"
#include "station_type.h"
#include "rail_type.h"
#include "newgrf_spritegroup.h"
#include "newgrf_town.h"
struct StationScopeResolver : public ScopeResolver {
TileIndex tile;
struct BaseStation *st;
const struct StationSpec *statspec;
CargoID cargo_type;
Axis axis; ///< Station axis, used only for the slope check callback.
StationScopeResolver(ResolverObject *ro, const StationSpec *statspec, BaseStation *st, TileIndex tile);
/* virtual */ uint32 GetRandomBits() const;
/* virtual */ uint32 GetTriggers() const;
/* virtual */ void SetTriggers(int triggers) const;
/* virtual */ uint32 GetVariable(byte variable, uint32 parameter, bool *available) const;
};
struct StationResolverObject : public ResolverObject {
StationScopeResolver station_scope;
TownScopeResolver *town_scope;
StationResolverObject(const StationSpec *statspec, BaseStation *st, TileIndex tile,
CallbackID callback = CBID_NO_CALLBACK, uint32 callback_param1 = 0, uint32 callback_param2 = 0);
~StationResolverObject();
TownScopeResolver *GetTown();
/* virtual */ ScopeResolver *GetScope(VarSpriteGroupScope scope = VSG_SCOPE_SELF, byte relative = 0)
{
switch (scope) {
case VSG_SCOPE_SELF:
return &this->station_scope;
case VSG_SCOPE_PARENT: {
TownScopeResolver *tsr = this->GetTown();
if (tsr != NULL) return tsr;
/* FALL-THROUGH */
}
default:
return &this->default_scope; // XXX ResolverObject::GetScope(scope, relative);
}
}
/* virtual */ const SpriteGroup *ResolveReal(const RealSpriteGroup *group) const;
};
enum StationClassID {
STAT_CLASS_BEGIN = 0, ///< the lowest valid value
STAT_CLASS_DFLT = 0, ///< Default station class.
STAT_CLASS_WAYP, ///< Waypoint class.
STAT_CLASS_MAX = 256, ///< Maximum number of classes.
};
typedef SimpleTinyEnumT<StationClassID, byte> StationClassIDByte;
template <> struct EnumPropsT<StationClassID> : MakeEnumPropsT<StationClassID, byte, STAT_CLASS_BEGIN, STAT_CLASS_MAX, STAT_CLASS_MAX, 8> {};
/** Allow incrementing of StationClassID variables */
DECLARE_POSTFIX_INCREMENT(StationClassID)
enum StationSpecFlags {
SSF_SEPARATE_GROUND, ///< Use different sprite set for ground sprites.
SSF_DIV_BY_STATION_SIZE, ///< Divide cargo amount by station size.
SSF_CB141_RANDOM_BITS, ///< Callback 141 needs random bits.
SSF_CUSTOM_FOUNDATIONS, ///< Draw custom foundations.
SSF_EXTENDED_FOUNDATIONS, ///< Extended foundation block instead of simple.
};
/* Station layout for given dimensions - it is a two-dimensional array
* where index is computed as (x * platforms) + platform. */
typedef byte *StationLayout;
/** Station specification. */
struct StationSpec {
/**
* Properties related the the grf file.
* NUM_CARGO real cargo plus three pseudo cargo sprite groups.
* Used for obtaining the sprite offset of custom sprites, and for
* evaluating callbacks.
*/
GRFFilePropsBase<NUM_CARGO + 3> grf_prop;
StationClassID cls_id; ///< The class to which this spec belongs.
StringID name; ///< Name of this station.
/**
* Bitmask of number of platforms available for the station.
* 0..6 correpsond to 1..7, while bit 7 corresponds to >7 platforms.
*/
byte disallowed_platforms;
/**
* Bitmask of platform lengths available for the station.
* 0..6 correpsond to 1..7, while bit 7 corresponds to >7 tiles long.
*/
byte disallowed_lengths;
/**
* Number of tile layouts.
* A minimum of 8 is required is required for stations.
* 0-1 = plain platform
* 2-3 = platform with building
* 4-5 = platform with roof, left side
* 6-7 = platform with roof, right side
*/
uint tiles;
NewGRFSpriteLayout *renderdata; ///< Array of tile layouts.
/**
* Cargo threshold for choosing between little and lots of cargo
* @note little/lots are equivalent to the moving/loading states for vehicles
*/
uint16 cargo_threshold;
uint32 cargo_triggers; ///< Bitmask of cargo types which cause trigger re-randomizing
byte callback_mask; ///< Bitmask of station callbacks that have to be called
byte flags; ///< Bitmask of flags, bit 0: use different sprite set; bit 1: divide cargo about by station size
byte pylons; ///< Bitmask of base tiles (0 - 7) which should contain elrail pylons
byte wires; ///< Bitmask of base tiles (0 - 7) which should contain elrail wires
byte blocked; ///< Bitmask of base tiles (0 - 7) which are blocked to trains
AnimationInfo animation;
byte lengths;
byte *platforms;
StationLayout **layouts;
bool copied_layouts;
};
/** Struct containing information relating to station classes. */
typedef NewGRFClass<StationSpec, StationClassID, STAT_CLASS_MAX> StationClass;
const StationSpec *GetStationSpec(TileIndex t);
/* Evaluate a tile's position within a station, and return the result a bitstuffed format. */
uint32 GetPlatformInfo(Axis axis, byte tile, int platforms, int length, int x, int y, bool centred);
SpriteID GetCustomStationRelocation(const StationSpec *statspec, BaseStation *st, TileIndex tile, uint32 var10 = 0);
SpriteID GetCustomStationFoundationRelocation(const StationSpec *statspec, BaseStation *st, TileIndex tile, uint layout, uint edge_info);
uint16 GetStationCallback(CallbackID callback, uint32 param1, uint32 param2, const StationSpec *statspec, BaseStation *st, TileIndex tile);
CommandCost PerformStationTileSlopeCheck(TileIndex north_tile, TileIndex cur_tile, const StationSpec *statspec, Axis axis, byte plat_len, byte numtracks);
/* Allocate a StationSpec to a Station. This is called once per build operation. */
int AllocateSpecToStation(const StationSpec *statspec, BaseStation *st, bool exec);
/* Deallocate a StationSpec from a Station. Called when removing a single station tile. */
void DeallocateSpecFromStation(BaseStation *st, byte specindex);
/* Draw representation of a station tile for GUI purposes. */
bool DrawStationTile(int x, int y, RailType railtype, Axis axis, StationClassID sclass, uint station);
void AnimateStationTile(TileIndex tile);
void TriggerStationAnimation(BaseStation *st, TileIndex tile, StationAnimationTrigger trigger, CargoID cargo_type = CT_INVALID);
void StationUpdateAnimTriggers(BaseStation *st);
#endif /* NEWGRF_STATION_H */
|
