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
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
|
/* $Id$ */
/** @file newgrf_callbacks.h
*/
#ifndef NEWGRF_CALLBACKS_H
#define NEWGRF_CALLBACKS_H
/**
* List of implemented NewGRF callbacks.
* Most of these callbacks are only triggered when the corresponding
* bit is set in the callback flags/trigger for a vehicle, house,
* industry, etc.
* Names are formatted as CBID_<CLASS>_<CALLBACK>
*
* @note Do not forget to add 15 bits callbacks to the switch in
* newgrf_spritegroup.cpp (search for "15 bits callback").
*/
enum CallbackID {
/** Set when using the callback resolve system, but not to resolve a callback. */
CBID_NO_CALLBACK = 0x00,
/** Set when calling a randomizing trigger (almost undocumented). */
CBID_RANDOM_TRIGGER = 0x01,
/* There are no callbacks 0x02 - 0x0F. */
/** Powered wagons, if the result is lower as 0x40 then the wagon is powered
* @todo : interpret the rest of the result, aka "visual effects". */
CBID_TRAIN_WAGON_POWER = 0x10,
/** Vehicle length, returns the amount of 1/8's the vehicle is shorter for trains and RVs. */
CBID_VEHICLE_LENGTH = 0x11,
/** Determine the amount of cargo to load per unit of time when using gradual loading. */
CBID_VEHICLE_LOAD_AMOUNT = 0x12,
/** Determine whether a newstation should be made available to build. */
CBID_STATION_AVAILABILITY = 0x13,
/** Choose a sprite layout to draw, instead of the standard 0-7 range. */
CBID_STATION_SPRITE_LAYOUT = 0x14,
/** Refit capacity, the passed vehicle needs to have its ->cargo_type set to
* the cargo we are refitting to, returns the new cargo capacity. */
CBID_VEHICLE_REFIT_CAPACITY = 0x15,
/** Builds articulated engines for trains and RVs. */
CBID_VEHICLE_ARTIC_ENGINE = 0x16,
/** Determine whether the house can be built on the specified tile. */
CBID_HOUSE_ALLOW_CONSTRUCTION = 0x17,
/** AI construction/purchase selection */
CBID_GENERIC_AI_PURCHASE_SELECTION = 0x18, // not implemented
/** Determine the cargo "suffixes" for each refit possibility of a cargo. */
CBID_VEHICLE_CARGO_SUFFIX = 0x19,
/** Determine the next animation frame for a house. */
CBID_HOUSE_ANIMATION_NEXT_FRAME = 0x1A,
/** Called for periodically starting or stopping the animation. */
CBID_HOUSE_ANIMATION_START_STOP = 0x1B,
/** Called whenever the construction state of a house changes. */
CBID_HOUSE_CONSTRUCTION_STATE_CHANGE = 0x1C,
/** Determine whether a wagon can be attached to an already existing train. */
CBID_TRAIN_ALLOW_WAGON_ATTACH = 0x1D,
/** Called to determine the colour of a town building. */
CBID_HOUSE_COLOUR = 0x1E,
/** Called to decide how much cargo a town building can accept. */
CBID_HOUSE_CARGO_ACCEPTANCE = 0x1F,
/** Called to indicate how long the current animation frame should last. */
CBID_HOUSE_ANIMATION_SPEED = 0x20,
/** Called periodically to determine if a house should be destroyed. */
CBID_HOUSE_DESTRUCTION = 0x21,
/** Called to determine if the given industry type is available */
CBID_INDUSTRY_AVAILABLE = 0x22,
/** This callback is called from vehicle purchase lists. It returns a value to be
* used as a custom string ID in the 0xD000 range. */
CBID_VEHICLE_ADDITIONAL_TEXT = 0x23,
/** Called when building a station to customize the tile layout */
CBID_STATION_TILE_LAYOUT = 0x24,
/** Called for periodically starting or stopping the animation. */
CBID_INDTILE_ANIM_START_STOP = 0x25,
/** Called to determine industry tile next animation frame. */
CBID_INDTILE_ANIM_NEXT_FRAME = 0x26,
/** Called to indicate how long the current animation frame should last. */
CBID_INDTILE_ANIMATION_SPEED = 0x27,
/** Called to determine if the given industry can be built on specific area. */
CBID_INDUSTRY_LOCATION = 0x28,
/** Called on production changes, so it can be adjusted. */
CBID_INDUSTRY_PRODUCTION_CHANGE = 0x29,
/** Called to determine which cargoes a town building should accept. */
CBID_HOUSE_ACCEPT_CARGO = 0x2A,
/** Called to query the cargo acceptance of the industry tile */
CBID_INDTILE_CARGO_ACCEPTANCE = 0x2B,
/** Called to determine which cargoes an industry should accept. */
CBID_INDTILE_ACCEPT_CARGO = 0x2C,
/** Called to determine if a specific colour map should be used for a vehicle
* instead of the default livery. */
CBID_VEHICLE_COLOUR_MAPPING = 0x2D,
/** Called to determine how much cargo a town building produces. */
CBID_HOUSE_PRODUCE_CARGO = 0x2E,
/** Called to determine if the given industry tile can be built on specific tile. */
CBID_INDTILE_SHAPE_CHECK = 0x2F,
/** Called to determine the type (if any) of foundation to draw for industry tile. */
CBID_INDUSTRY_DRAW_FOUNDATIONS = 0x30,
/** Called when the player (or AI) tries to start or stop a vehicle. Mainly
* used for preventing a vehicle from leaving the depot. */
CBID_VEHICLE_START_STOP_CHECK = 0x31,
/** Called for every vehicle every 32 days (not all on same date though). */
CBID_VEHICLE_32DAY_CALLBACK = 0x32, // not implemented
/** Called to play a special sound effect */
CBID_VEHICLE_SOUND_EFFECT = 0x33,
/** Return the vehicles this given vehicle can be "upgraded" to. */
CBID_VEHICLE_AUTOREPLACE_SELECTION = 0x34,
/** Called monthly on production changes, so it can be adjusted more frequently */
CBID_INDUSTRY_MONTHLYPROD_CHANGE = 0x35,
/** Called to modify various vehicle properties. Callback parameter 1
* specifies the property index, as used in Action 0, to change. */
CBID_VEHICLE_MODIFY_PROPERTY = 0x36,
/** Called to determine text to display after cargo name */
CBID_INDUSTRY_CARGO_SUFFIX = 0x37, // not implemented
/** Called to determine more text in the fund industry window */
CBID_INDUSTRY_FUND_MORE_TEXT = 0x38,
/** Called to calculate the income of delivered cargo */
CBID_CARGO_PROFIT_CALC = 0x39,
/** Called to determine more text in the industry window */
CBID_INDUSTRY_WINDOW_MORE_TEXT = 0x3A,
/** Called to determine industry special effects */
CBID_INDUSTRY_SPECIAL_EFFECT = 0x3B,
/** Called to determine if industry can alter the ground below industry tile */
CBID_INDUSTRY_AUTOSLOPE = 0x3C,
/** Called to determine if the industry can still accept or refuse more cargo arrival */
CBID_INDUSTRY_REFUSE_CARGO = 0x3D,
/* There are no callbacks 0x3E - 0x142. */
/** Called to determine whether a town building can be destroyed. */
CBID_HOUSE_DENY_DESTRUCTION = 0x143,
/** Select an ambient sound to play for a given type of tile. */
CBID_SOUNDS_AMBIENT_EFFECT = 0x144, // not implemented
/** Called to calculate part of a station rating. */
CBID_CARGO_STATION_RATING_CALC = 0x145,
/** Allow signal sprites to be replaced dynamically. */
CBID_NEW_SIGNALS_SPRITE_DRAW = 0x146, // not implemented
/** Add an offset to the default sprite numbers to show another sprite. */
CBID_CANALS_SPRITE_OFFSET = 0x147, // not implemented
/* There is no callback 0x148.*/
/** Callback done for each tile of a station to check the slope. */
CBID_STATION_LAND_SLOPE_CHECK = 0x149, // not implemented
/** Called to determine the color of an industry. */
CBID_INDUSTRY_DECIDE_COLOUR = 0x14A, // not implemented
/** Customize the input cargo types of a newly build industry. */
CBID_INDUSTRY_INPUT_CARGO_TYPES = 0x14B,
/** Customize the output cargo types of a newly build industry. */
CBID_INDUSTRY_OUTPUT_CARGO_TYPES = 0x14C,
};
/**
* Callback masks for vehicles, indicates which callbacks are used by a vehicle.
* Some callbacks are always used and don't have a mask.
*/
enum VehicleCallbackMask {
CBM_TRAIN_WAGON_POWER = 0, ///< Powered wagons (trains only)
CBM_VEHICLE_LENGTH = 1, ///< Vehicle length (trains and road vehicles)
CBM_VEHICLE_LOAD_AMOUNT = 2, ///< Load amount
CBM_VEHICLE_REFIT_CAPACITY = 3, ///< Cargo capacity after refit
CBM_VEHICLE_ARTIC_ENGINE = 4, ///< Add articulated engines (trains only)
CBM_VEHICLE_CARGO_SUFFIX = 5, ///< Show suffix after cargo name
CBM_VEHICLE_COLOUR_REMAP = 6, ///< Change colour mapping of vehicle
CBM_VEHICLE_SOUND_EFFECT = 7, ///< Vehicle uses custom sound effects
};
/**
* Callback masks for stations.
*/
enum StationCallbackMask {
CBM_STATION_AVAIL = 0, ///< Availability of station in construction window
CBM_STATION_SPRITE_LAYOUT = 1, ///< Use callback to select a sprite layout to use
CBM_STATION_ANIMATION_NEXT_FRAME = 2, ///< Use a custom next frame callback
CBM_STATION_ANIMATION_SPEED = 3, ///< Customize the animation speed of the station
CBM_STATION_SLOPE_CHECK = 4, ///< Check slope of new station tiles
};
/**
* Callback masks for houses.
*/
enum HouseCallbackMask {
CBM_HOUSE_ALLOW_CONSTRUCTION = 0,
CBM_HOUSE_ANIMATION_NEXT_FRAME = 1,
CBM_HOUSE_ANIMATION_START_STOP = 2,
CBM_HOUSE_CONSTRUCTION_STATE_CHANGE = 3,
CBM_HOUSE_COLOUR = 4,
CBM_HOUSE_CARGO_ACCEPTANCE = 5,
CBM_HOUSE_ANIMATION_SPEED = 6,
CBM_HOUSE_DESTRUCTION = 7,
CBM_HOUSE_ACCEPT_CARGO = 8,
CBM_HOUSE_PRODUCE_CARGO = 9,
CBM_HOUSE_DENY_DESTRUCTION = 10,
};
/**
* Callback masks for cargos.
*/
enum CargoCallbackMask {
CBM_CARGO_PROFIT_CALC = 0, ///< custom profit calculation
CBM_CARGO_STATION_RATING_CALC = 1, ///< custom station rating for this cargo type
};
/**
* Callback masks for Industries
*/
enum IndustryCallbackMask {
CBM_IND_AVAILABLE = 0, ///< industry availability callback
CBM_IND_PRODUCTION_CARGO_ARRIVAL = 1, ///< call production callback when cargo arrives at the industry
CBM_IND_PRODUCTION_256_TICKS = 2, ///< call production callback every 256 ticks
CBM_IND_LOCATION = 3, ///< check industry construction on given area
CBM_IND_PRODUCTION_CHANGE = 4, ///< controls random production change
CBM_IND_MONTHLYPROD_CHANGE = 5, ///< controls monthly random production change
CBM_IND_CARGO_SUFFIX = 6, ///< cargo sub-type display
CBM_IND_FUND_MORE_TEXT = 7, ///< additional text in fund window
CBM_IND_WINDOW_MORE_TEXT = 8, ///< additional text in industry window
CBM_IND_SPECIAL_EFFECT = 9, ///< control special effects
CBM_IND_REFUSE_CARGO = 10, ///< option out of accepting cargo
CBM_IND_DECIDE_COLOUR = 11, ///< give a custom colour to newly build industries
CBM_IND_INPUT_CARGO_TYPES = 12, ///< customize the cargos the industry requires
CBM_IND_OUTPUT_CARGO_TYPES = 13, ///< customize the cargos the industry produces
};
/**
* Callback masks for industry tiles
*/
enum IndustryTileCallbackMask {
CBM_INDT_ANIM_NEXT_FRAME = 0, ///< decides next animation frame
CBM_INDT_ANIM_SPEED = 1, ///< decides animation speed
CBM_INDT_CARGO_ACCEPTANCE = 2, ///< decides amount of cargo acceptance
CBM_INDT_ACCEPT_CARGO = 3, ///< decides accepted types
CBM_INDT_SHAPE_CHECK = 4, ///< decides slope suitability
CBM_INDT_DRAW_FOUNDATIONS = 5, ///< decides if default foundations need to be drawn
CBM_INDT_AUTOSLOPE = 6, ///< decides allowance of autosloping
};
/**
* Result of a failed callback.
*/
enum {
CALLBACK_FAILED = 0xFFFF
};
#endif /* NEWGRF_CALLBACKS_H */
|
