OpenTTD Source 20241224-master-gf74b0cf984
elrail_data.h
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1/*
2 * This file is part of OpenTTD.
3 * 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.
4 * 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.
5 * 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/>.
6 */
7
13#ifndef ELRAIL_DATA_H
14#define ELRAIL_DATA_H
15
20enum TLG {
21 XEVEN_YEVEN = 0,
22 XEVEN_YODD = 1,
23 XODD_YEVEN = 2,
24 XODD_YODD = 3,
25 TLG_END
26};
27
33enum TileSource {
34 TS_HOME = 0,
35 TS_NEIGHBOUR = 1,
36
37 TS_END
38};
39
40static const uint NUM_TRACKS_AT_PCP = 6;
41
43static const uint8_t AllowedPPPonPCP[DIAGDIR_END] = {
44 1 << DIR_N | 1 << DIR_E | 1 << DIR_SE | 1 << DIR_S | 1 << DIR_W | 1 << DIR_NW,
45 1 << DIR_N | 1 << DIR_NE | 1 << DIR_E | 1 << DIR_S | 1 << DIR_SW | 1 << DIR_W,
46 1 << DIR_N | 1 << DIR_E | 1 << DIR_SE | 1 << DIR_S | 1 << DIR_W | 1 << DIR_NW,
47 1 << DIR_N | 1 << DIR_NE | 1 << DIR_E | 1 << DIR_S | 1 << DIR_SW | 1 << DIR_W,
48};
49
55static const uint8_t OwnedPPPonPCP[DIAGDIR_END] = {
56 1 << DIR_SE | 1 << DIR_S | 1 << DIR_SW | 1 << DIR_W,
57 1 << DIR_N | 1 << DIR_SW | 1 << DIR_W | 1 << DIR_NW,
58 1 << DIR_N | 1 << DIR_NE | 1 << DIR_E | 1 << DIR_NW,
59 1 << DIR_NE | 1 << DIR_E | 1 << DIR_SE | 1 << DIR_S
60};
61
63static const DiagDirection PCPpositions[TRACK_END][2] = {
64 {DIAGDIR_NE, DIAGDIR_SW}, // X
65 {DIAGDIR_SE, DIAGDIR_NW}, // Y
66 {DIAGDIR_NW, DIAGDIR_NE}, // UPPER
67 {DIAGDIR_SE, DIAGDIR_SW}, // LOWER
68 {DIAGDIR_SW, DIAGDIR_NW}, // LEFT
69 {DIAGDIR_NE, DIAGDIR_SE}, // RIGHT
70};
71
72#define PCP_NOT_ON_TRACK 0xFF
79static const uint8_t PreferredPPPofTrackAtPCP[TRACK_END][DIAGDIR_END] = {
80 { // X
81 1 << DIR_NE | 1 << DIR_SE | 1 << DIR_NW, // NE
82 PCP_NOT_ON_TRACK, // SE
83 1 << DIR_SE | 1 << DIR_SW | 1 << DIR_NW, // SW
84 PCP_NOT_ON_TRACK // NE
85 }, { // Y
86 PCP_NOT_ON_TRACK,
87 1 << DIR_NE | 1 << DIR_SE | 1 << DIR_SW,
88 PCP_NOT_ON_TRACK,
89 1 << DIR_SW | 1 << DIR_NW | 1 << DIR_NE
90 }, { // UPPER
91 1 << DIR_E | 1 << DIR_N | 1 << DIR_S,
92 PCP_NOT_ON_TRACK,
93 PCP_NOT_ON_TRACK,
94 1 << DIR_W | 1 << DIR_N | 1 << DIR_S
95 }, { // LOWER
96 PCP_NOT_ON_TRACK,
97 1 << DIR_E | 1 << DIR_N | 1 << DIR_S,
98 1 << DIR_W | 1 << DIR_N | 1 << DIR_S,
99 PCP_NOT_ON_TRACK
100 }, { // LEFT
101 PCP_NOT_ON_TRACK,
102 PCP_NOT_ON_TRACK,
103 1 << DIR_S | 1 << DIR_E | 1 << DIR_W,
104 1 << DIR_N | 1 << DIR_E | 1 << DIR_W
105 }, { // RIGHT
106 1 << DIR_N | 1 << DIR_E | 1 << DIR_W,
107 1 << DIR_S | 1 << DIR_E | 1 << DIR_W,
108 PCP_NOT_ON_TRACK,
109 PCP_NOT_ON_TRACK
110 }
111};
112#undef PCP_NOT_ON_TRACK
113
114
115#define NUM_IGNORE_GROUPS 3
116#define IGNORE_NONE 0xFF
122static const uint8_t IgnoredPCP[NUM_IGNORE_GROUPS][TLG_END][DIAGDIR_END] = {
123 { // Ignore group 1, X and Y tracks
124 { // X even, Y even
125 IGNORE_NONE,
126 1 << DIR_NE | 1 << DIR_SW,
127 1 << DIR_NW | 1 << DIR_SE,
128 IGNORE_NONE
129 }, { // X even, Y odd
130 IGNORE_NONE,
131 IGNORE_NONE,
132 1 << DIR_NW | 1 << DIR_SE,
133 1 << DIR_NE | 1 << DIR_SW
134 }, { // X odd, Y even
135 1 << DIR_NW | 1 << DIR_SE,
136 1 << DIR_NE | 1 << DIR_SW,
137 IGNORE_NONE,
138 IGNORE_NONE
139 }, { // X odd, Y odd
140 1 << DIR_NW | 1 << DIR_SE,
141 IGNORE_NONE,
142 IGNORE_NONE,
143 1 << DIR_NE | 1 << DIR_SW
144 }
145 },
146 { // Ignore group 2, LEFT and RIGHT tracks
147 {
148 1 << DIR_E | 1 << DIR_W,
149 IGNORE_NONE,
150 IGNORE_NONE,
151 1 << DIR_E | 1 << DIR_W
152 }, {
153 IGNORE_NONE,
154 1 << DIR_E | 1 << DIR_W,
155 1 << DIR_E | 1 << DIR_W,
156 IGNORE_NONE
157 }, {
158 IGNORE_NONE,
159 1 << DIR_E | 1 << DIR_W,
160 1 << DIR_E | 1 << DIR_W,
161 IGNORE_NONE
162 }, {
163 1 << DIR_E | 1 << DIR_W,
164 IGNORE_NONE,
165 IGNORE_NONE,
166 1 << DIR_E | 1 << DIR_W
167 }
168 },
169 { // Ignore group 3, UPPER and LOWER tracks
170 {
171 1 << DIR_N | 1 << DIR_S,
172 1 << DIR_N | 1 << DIR_S,
173 IGNORE_NONE,
174 IGNORE_NONE
175 }, {
176 IGNORE_NONE,
177 IGNORE_NONE,
178 1 << DIR_N | 1 << DIR_S,
179 1 << DIR_N | 1 << DIR_S
180 }, {
181 IGNORE_NONE,
182 IGNORE_NONE,
183 1 << DIR_N | 1 << DIR_S ,
184 1 << DIR_N | 1 << DIR_S
185 }, {
186 1 << DIR_N | 1 << DIR_S,
187 1 << DIR_N | 1 << DIR_S,
188 IGNORE_NONE,
189 IGNORE_NONE
190 }
191 }
192};
193
194#undef NO_IGNORE
195
197static const uint8_t DisallowedPPPofTrackAtPCP[TRACK_END][DIAGDIR_END] = {
198 {1 << DIR_SW | 1 << DIR_NE, 0, 1 << DIR_SW | 1 << DIR_NE, 0 }, // X
199 {0, 1 << DIR_NW | 1 << DIR_SE, 0, 1 << DIR_NW | 1 << DIR_SE}, // Y
200 {1 << DIR_W | 1 << DIR_E, 0, 0, 1 << DIR_W | 1 << DIR_E }, // UPPER
201 {0, 1 << DIR_W | 1 << DIR_E, 1 << DIR_W | 1 << DIR_E, 0 }, // LOWER
202 {0, 0, 1 << DIR_S | 1 << DIR_N, 1 << DIR_N | 1 << DIR_S }, // LEFT
203 {1 << DIR_S | 1 << DIR_N, 1 << DIR_S | 1 << DIR_N, 0, 0, }, // RIGHT
204};
205
206/* This array stores which track bits can meet at a tile edge */
207static const Track TracksAtPCP[DIAGDIR_END][NUM_TRACKS_AT_PCP] = {
208 {TRACK_X, TRACK_X, TRACK_UPPER, TRACK_LOWER, TRACK_LEFT, TRACK_RIGHT},
209 {TRACK_Y, TRACK_Y, TRACK_UPPER, TRACK_LOWER, TRACK_LEFT, TRACK_RIGHT},
210 {TRACK_X, TRACK_X, TRACK_UPPER, TRACK_LOWER, TRACK_LEFT, TRACK_RIGHT},
211 {TRACK_Y, TRACK_Y, TRACK_UPPER, TRACK_LOWER, TRACK_LEFT, TRACK_RIGHT},
212};
213
214/* takes each of the 6 track bits from the array above and
215 * assigns it to the home tile or neighbour tile */
216static const TileSource TrackSourceTile[DIAGDIR_END][NUM_TRACKS_AT_PCP] = {
217 {TS_HOME, TS_NEIGHBOUR, TS_HOME , TS_NEIGHBOUR, TS_NEIGHBOUR, TS_HOME },
218 {TS_HOME, TS_NEIGHBOUR, TS_NEIGHBOUR, TS_HOME , TS_NEIGHBOUR, TS_HOME },
219 {TS_HOME, TS_NEIGHBOUR, TS_NEIGHBOUR, TS_HOME , TS_HOME , TS_NEIGHBOUR},
220 {TS_HOME, TS_NEIGHBOUR, TS_HOME , TS_NEIGHBOUR, TS_HOME , TS_NEIGHBOUR},
221};
222
223/* Several PPPs maybe exist, here they are sorted in order of preference. */
224static const Direction PPPorder[DIAGDIR_END][TLG_END][DIR_END] = { // X - Y
225 { // PCP 0
226 {DIR_NE, DIR_NW, DIR_SE, DIR_SW, DIR_N, DIR_E, DIR_S, DIR_W}, // evn - evn
227 {DIR_NE, DIR_SE, DIR_SW, DIR_NW, DIR_S, DIR_W, DIR_N, DIR_E}, // evn - odd
228 {DIR_SW, DIR_NW, DIR_NE, DIR_SE, DIR_S, DIR_W, DIR_N, DIR_E}, // odd - evn
229 {DIR_SW, DIR_SE, DIR_NE, DIR_NW, DIR_N, DIR_E, DIR_S, DIR_W}, // odd - odd
230 }, {// PCP 1
231 {DIR_NE, DIR_NW, DIR_SE, DIR_SW, DIR_S, DIR_E, DIR_N, DIR_W}, // evn - evn
232 {DIR_NE, DIR_SE, DIR_SW, DIR_NW, DIR_N, DIR_W, DIR_S, DIR_E}, // evn - odd
233 {DIR_SW, DIR_NW, DIR_NE, DIR_SE, DIR_N, DIR_W, DIR_S, DIR_E}, // odd - evn
234 {DIR_SW, DIR_SE, DIR_NE, DIR_NW, DIR_S, DIR_E, DIR_N, DIR_W}, // odd - odd
235 }, {// PCP 2
236 {DIR_NE, DIR_NW, DIR_SE, DIR_SW, DIR_S, DIR_W, DIR_N, DIR_E}, // evn - evn
237 {DIR_NE, DIR_SE, DIR_SW, DIR_NW, DIR_N, DIR_E, DIR_S, DIR_W}, // evn - odd
238 {DIR_SW, DIR_NW, DIR_NE, DIR_SE, DIR_N, DIR_E, DIR_S, DIR_W}, // odd - evn
239 {DIR_SW, DIR_SE, DIR_NE, DIR_NW, DIR_S, DIR_W, DIR_N, DIR_E}, // odd - odd
240 }, {// PCP 3
241 {DIR_NE, DIR_NW, DIR_SE, DIR_SW, DIR_N, DIR_W, DIR_S, DIR_E}, // evn - evn
242 {DIR_NE, DIR_SE, DIR_SW, DIR_NW, DIR_S, DIR_E, DIR_N, DIR_W}, // evn - odd
243 {DIR_SW, DIR_NW, DIR_NE, DIR_SE, DIR_S, DIR_E, DIR_N, DIR_W}, // odd - evn
244 {DIR_SW, DIR_SE, DIR_NE, DIR_NW, DIR_N, DIR_W, DIR_S, DIR_E}, // odd - odd
245 }
246};
247/* Geometric placement of the PCP relative to the tile origin */
248static const int8_t x_pcp_offsets[DIAGDIR_END] = {0, 8, 16, 8};
249static const int8_t y_pcp_offsets[DIAGDIR_END] = {8, 16, 8, 0};
250/* Geometric placement of the PPP relative to the PCP*/
251static const int8_t x_ppp_offsets[DIR_END] = {-2, -4, -2, 0, 2, 4, 2, 0};
252static const int8_t y_ppp_offsets[DIR_END] = {-2, 0, 2, 4, 2, 0, -2, -4};
253
257enum PylonSpriteOffset {
258 PSO_Y_NE,
259 PSO_Y_SW,
260 PSO_X_NW,
261 PSO_X_SE,
262 PSO_EW_N,
263 PSO_EW_S,
264 PSO_NS_W,
265 PSO_NS_E,
266};
267
268/* The type of pylon to draw at each PPP */
269static const uint8_t pylon_sprites[] = {
270 PSO_EW_N,
271 PSO_Y_NE,
272 PSO_NS_E,
273 PSO_X_SE,
274 PSO_EW_S,
275 PSO_Y_SW,
276 PSO_NS_W,
277 PSO_X_NW,
278};
279
283enum WireSpriteOffset {
284 WSO_X_SHORT,
285 WSO_Y_SHORT,
286 WSO_EW_SHORT,
287 WSO_NS_SHORT,
288 WSO_X_SHORT_DOWN,
289 WSO_Y_SHORT_UP,
290 WSO_X_SHORT_UP,
291 WSO_Y_SHORT_DOWN,
292
293 WSO_X_SW,
294 WSO_Y_SE,
295 WSO_EW_E,
296 WSO_NS_S,
297 WSO_X_SW_DOWN,
298 WSO_Y_SE_UP,
299 WSO_X_SW_UP,
300 WSO_Y_SE_DOWN,
301
302 WSO_X_NE,
303 WSO_Y_NW,
304 WSO_EW_W,
305 WSO_NS_N,
306 WSO_X_NE_DOWN,
307 WSO_Y_NW_UP,
308 WSO_X_NE_UP,
309 WSO_Y_NW_DOWN,
310
311 WSO_ENTRANCE_SW,
312 WSO_ENTRANCE_NW,
313 WSO_ENTRANCE_NE,
314 WSO_ENTRANCE_SE,
315};
316
317struct SortableSpriteStruct {
318 uint8_t image_offset;
319 int8_t x_offset;
320 int8_t y_offset;
321 int8_t x_size;
322 int8_t y_size;
323 int8_t z_size;
324 int8_t z_offset;
325};
326
328static const uint ELRAIL_ELEVATION = 10;
330static const uint ELRAIL_ELEVRAISE = ELRAIL_ELEVATION + TILE_HEIGHT + 1;
332static const uint ELRAIL_ELEVLOWER = ELRAIL_ELEVATION - 1;
333
334static const SortableSpriteStruct RailCatenarySpriteData[] = {
335/* X direction
336 * Flat tiles:
337 * Wires */
338 { WSO_X_SW, 0, 7, 15, 1, 1, ELRAIL_ELEVATION },
339 { WSO_X_NE, 0, 7, 15, 1, 1, ELRAIL_ELEVATION },
340 { WSO_X_SHORT, 0, 7, 15, 1, 1, ELRAIL_ELEVATION },
341
342 /* "up" tiles
343 * Wires */
344 { WSO_X_SW_UP, 0, 7, 15, 8, 1, ELRAIL_ELEVRAISE },
345 { WSO_X_NE_UP, 0, 7, 15, 8, 1, ELRAIL_ELEVRAISE },
346 { WSO_X_SHORT_UP, 0, 7, 15, 8, 1, ELRAIL_ELEVRAISE },
347
348 /* "down" tiles
349 * Wires */
350 { WSO_X_SW_DOWN, 0, 7, 15, 8, 1, ELRAIL_ELEVLOWER },
351 { WSO_X_NE_DOWN, 0, 7, 15, 8, 1, ELRAIL_ELEVLOWER },
352 { WSO_X_SHORT_DOWN, 0, 7, 15, 8, 1, ELRAIL_ELEVLOWER },
353
354
355/* Y direction
356 * Flat tiles:
357 * Wires */
358 { WSO_Y_SE, 7, 0, 1, 15, 1, ELRAIL_ELEVATION },
359 { WSO_Y_NW, 7, 0, 1, 15, 1, ELRAIL_ELEVATION },
360 { WSO_Y_SHORT, 7, 0, 1, 15, 1, ELRAIL_ELEVATION },
361
362 /* "up" tiles
363 * Wires */
364 { WSO_Y_SE_UP, 7, 0, 8, 15, 1, ELRAIL_ELEVRAISE },
365 { WSO_Y_NW_UP, 7, 0, 8, 15, 1, ELRAIL_ELEVRAISE },
366 { WSO_Y_SHORT_UP, 7, 0, 8, 15, 1, ELRAIL_ELEVRAISE },
367
368 /* "down" tiles
369 * Wires */
370 { WSO_Y_SE_DOWN, 7, 0, 8, 15, 1, ELRAIL_ELEVLOWER },
371 { WSO_Y_NW_DOWN, 7, 0, 8, 15, 1, ELRAIL_ELEVLOWER },
372 { WSO_Y_SHORT_DOWN, 7, 0, 8, 15, 1, ELRAIL_ELEVLOWER },
373
374/* NS Direction */
375 { WSO_NS_SHORT, 8, 0, 8, 8, 1, ELRAIL_ELEVATION },
376 { WSO_NS_SHORT, 0, 8, 8, 8, 1, ELRAIL_ELEVATION },
377
378 { WSO_NS_N, 8, 0, 8, 8, 1, ELRAIL_ELEVATION },
379 { WSO_NS_N, 0, 8, 8, 8, 1, ELRAIL_ELEVATION },
380
381 { WSO_NS_S, 8, 0, 8, 8, 1, ELRAIL_ELEVATION },
382 { WSO_NS_S, 0, 8, 8, 8, 1, ELRAIL_ELEVATION },
383
384/* EW Direction */
385 { WSO_EW_SHORT, 7, 0, 1, 1, 1, ELRAIL_ELEVATION },
386 { WSO_EW_SHORT, 15, 8, 3, 3, 1, ELRAIL_ELEVATION },
387
388 { WSO_EW_W, 7, 0, 1, 1, 1, ELRAIL_ELEVATION },
389 { WSO_EW_W, 15, 8, 3, 3, 1, ELRAIL_ELEVATION },
390
391 { WSO_EW_E, 7, 0, 1, 1, 1, ELRAIL_ELEVATION },
392 { WSO_EW_E, 15, 8, 3, 3, 1, ELRAIL_ELEVATION }
393};
394
395static const SortableSpriteStruct RailCatenarySpriteData_Depot[] = {
396 { WSO_ENTRANCE_NE, 0, 7, 15, 1, 1, ELRAIL_ELEVATION },
397 { WSO_ENTRANCE_SE, 7, 0, 1, 15, 1, ELRAIL_ELEVATION },
398 { WSO_ENTRANCE_SW, 0, 7, 15, 1, 1, ELRAIL_ELEVATION },
399 { WSO_ENTRANCE_NW, 7, 0, 1, 15, 1, ELRAIL_ELEVATION }
400};
401
402static const SortableSpriteStruct RailCatenarySpriteData_Tunnel[] = {
403 { WSO_ENTRANCE_SW, 0, 7, 15, 1, 1, ELRAIL_ELEVATION },
404 { WSO_ENTRANCE_NW, 7, 0, 1, 15, 1, ELRAIL_ELEVATION },
405 { WSO_ENTRANCE_NE, 0, 7, 15, 1, 1, ELRAIL_ELEVATION },
406 { WSO_ENTRANCE_SE, 7, 0, 1, 15, 1, ELRAIL_ELEVATION }
407};
408
409
422enum RailCatenarySprite {
423 WIRE_X_FLAT_SW,
424 WIRE_X_FLAT_NE,
425 WIRE_X_FLAT_BOTH,
426
427 WIRE_X_UP_SW,
428 WIRE_X_UP_NE,
429 WIRE_X_UP_BOTH,
430
431 WIRE_X_DOWN_SW,
432 WIRE_X_DOWN_NE,
433 WIRE_X_DOWN_BOTH,
434
435 WIRE_Y_FLAT_SE,
436 WIRE_Y_FLAT_NW,
437 WIRE_Y_FLAT_BOTH,
438
439 WIRE_Y_UP_SE,
440 WIRE_Y_UP_NW,
441 WIRE_Y_UP_BOTH,
442
443 WIRE_Y_DOWN_SE,
444 WIRE_Y_DOWN_NW,
445 WIRE_Y_DOWN_BOTH,
446
447 WIRE_NS_W_BOTH,
448 WIRE_NS_E_BOTH,
449
450 WIRE_NS_W_N,
451 WIRE_NS_E_N,
452
453 WIRE_NS_W_S,
454 WIRE_NS_E_S,
455
456 WIRE_EW_N_BOTH,
457 WIRE_EW_S_BOTH,
458
459 WIRE_EW_N_W,
460 WIRE_EW_S_W,
461
462 WIRE_EW_N_E,
463 WIRE_EW_S_E,
464
465 INVALID_CATENARY = 0xFF
466};
467
468/* Selects a Wire (with white and grey ends) depending on whether:
469 * a) none (should never happen)
470 * b) the first
471 * c) the second
472 * d) both
473 * PCP exists.*/
474static const RailCatenarySprite Wires[5][TRACK_END][4] = {
475 { // Tileh == 0
476 {INVALID_CATENARY, WIRE_X_FLAT_NE, WIRE_X_FLAT_SW, WIRE_X_FLAT_BOTH},
477 {INVALID_CATENARY, WIRE_Y_FLAT_SE, WIRE_Y_FLAT_NW, WIRE_Y_FLAT_BOTH},
478 {INVALID_CATENARY, WIRE_EW_N_W, WIRE_EW_N_E, WIRE_EW_N_BOTH},
479 {INVALID_CATENARY, WIRE_EW_S_E, WIRE_EW_S_W, WIRE_EW_S_BOTH},
480 {INVALID_CATENARY, WIRE_NS_W_S, WIRE_NS_W_N, WIRE_NS_W_BOTH},
481 {INVALID_CATENARY, WIRE_NS_E_N, WIRE_NS_E_S, WIRE_NS_E_BOTH},
482 }, { // Tileh == 3
483 {INVALID_CATENARY, WIRE_X_UP_NE, WIRE_X_UP_SW, WIRE_X_UP_BOTH},
484 {INVALID_CATENARY, INVALID_CATENARY, INVALID_CATENARY, INVALID_CATENARY},
485 {INVALID_CATENARY, INVALID_CATENARY, INVALID_CATENARY, INVALID_CATENARY},
486 {INVALID_CATENARY, INVALID_CATENARY, INVALID_CATENARY, INVALID_CATENARY},
487 {INVALID_CATENARY, INVALID_CATENARY, INVALID_CATENARY, INVALID_CATENARY},
488 {INVALID_CATENARY, INVALID_CATENARY, INVALID_CATENARY, INVALID_CATENARY},
489 }, { // Tileh == 6
490 {INVALID_CATENARY, INVALID_CATENARY, INVALID_CATENARY, INVALID_CATENARY},
491 {INVALID_CATENARY, WIRE_Y_UP_SE, WIRE_Y_UP_NW, WIRE_Y_UP_BOTH},
492 {INVALID_CATENARY, INVALID_CATENARY, INVALID_CATENARY, INVALID_CATENARY},
493 {INVALID_CATENARY, INVALID_CATENARY, INVALID_CATENARY, INVALID_CATENARY},
494 {INVALID_CATENARY, INVALID_CATENARY, INVALID_CATENARY, INVALID_CATENARY},
495 {INVALID_CATENARY, INVALID_CATENARY, INVALID_CATENARY, INVALID_CATENARY},
496 }, { // Tileh == 9
497 {INVALID_CATENARY, INVALID_CATENARY, INVALID_CATENARY, INVALID_CATENARY},
498 {INVALID_CATENARY, WIRE_Y_DOWN_SE, WIRE_Y_DOWN_NW, WIRE_Y_DOWN_BOTH},
499 {INVALID_CATENARY, INVALID_CATENARY, INVALID_CATENARY, INVALID_CATENARY},
500 {INVALID_CATENARY, INVALID_CATENARY, INVALID_CATENARY, INVALID_CATENARY},
501 {INVALID_CATENARY, INVALID_CATENARY, INVALID_CATENARY, INVALID_CATENARY},
502 {INVALID_CATENARY, INVALID_CATENARY, INVALID_CATENARY, INVALID_CATENARY},
503 }, { // Tileh == 12
504 {INVALID_CATENARY, WIRE_X_DOWN_NE, WIRE_X_DOWN_SW, WIRE_X_DOWN_BOTH},
505 {INVALID_CATENARY, INVALID_CATENARY, INVALID_CATENARY, INVALID_CATENARY},
506 {INVALID_CATENARY, INVALID_CATENARY, INVALID_CATENARY, INVALID_CATENARY},
507 {INVALID_CATENARY, INVALID_CATENARY, INVALID_CATENARY, INVALID_CATENARY},
508 {INVALID_CATENARY, INVALID_CATENARY, INVALID_CATENARY, INVALID_CATENARY},
509 {INVALID_CATENARY, INVALID_CATENARY, INVALID_CATENARY, INVALID_CATENARY},
510 }
511};
512
513#endif /* ELRAIL_DATA_H */
Direction
Direction
Defines the 8 directions on the map.
Definition direction_type.h:24
DIR_SW
@ DIR_SW
Southwest.
Definition direction_type.h:31
DIR_NW
@ DIR_NW
Northwest.
Definition direction_type.h:33
DIR_N
@ DIR_N
North.
Definition direction_type.h:26
DIR_SE
@ DIR_SE
Southeast.
Definition direction_type.h:29
DIR_S
@ DIR_S
South.
Definition direction_type.h:30
DIR_NE
@ DIR_NE
Northeast.
Definition direction_type.h:27
DIR_END
@ DIR_END
Used to iterate.
Definition direction_type.h:34
DIR_W
@ DIR_W
West.
Definition direction_type.h:32
DIR_E
@ DIR_E
East.
Definition direction_type.h:28
DiagDirection
DiagDirection
Enumeration for diagonal directions.
Definition direction_type.h:73
DIAGDIR_NE
@ DIAGDIR_NE
Northeast, upper right on your monitor.
Definition direction_type.h:75
DIAGDIR_NW
@ DIAGDIR_NW
Northwest.
Definition direction_type.h:78
DIAGDIR_SE
@ DIAGDIR_SE
Southeast.
Definition direction_type.h:76
DIAGDIR_END
@ DIAGDIR_END
Used for iterations.
Definition direction_type.h:79
DIAGDIR_SW
@ DIAGDIR_SW
Southwest.
Definition direction_type.h:77
TLG
TLG
Tile Location group.
Definition elrail_data.h:20
PylonSpriteOffset
PylonSpriteOffset
Offset for pylon sprites from the base pylon sprite.
Definition elrail_data.h:257
ELRAIL_ELEVRAISE
static const uint ELRAIL_ELEVRAISE
Wires that a draw one level higher than the north corner.
Definition elrail_data.h:330
ELRAIL_ELEVLOWER
static const uint ELRAIL_ELEVLOWER
Wires that a draw one level lower than the north corner.
Definition elrail_data.h:332
RailCatenarySprite
RailCatenarySprite
Refers to a certain element of the catenary.
Definition elrail_data.h:422
WireSpriteOffset
WireSpriteOffset
Offset for wire sprites from the base wire sprite.
Definition elrail_data.h:283
IgnoredPCP
static const uint8_t IgnoredPCP[NUM_IGNORE_GROUPS][TLG_END][DIAGDIR_END]
In case we have a straight line, we place pylon only every two tiles, so there are certain tiles whic...
Definition elrail_data.h:122
OwnedPPPonPCP
static const uint8_t OwnedPPPonPCP[DIAGDIR_END]
Which of the PPPs are inside the tile.
Definition elrail_data.h:55
PreferredPPPofTrackAtPCP
static const uint8_t PreferredPPPofTrackAtPCP[TRACK_END][DIAGDIR_END]
Preferred points of each trackbit.
Definition elrail_data.h:79
DisallowedPPPofTrackAtPCP
static const uint8_t DisallowedPPPofTrackAtPCP[TRACK_END][DIAGDIR_END]
Which pylons can definitely NOT be built.
Definition elrail_data.h:197
AllowedPPPonPCP
static const uint8_t AllowedPPPonPCP[DIAGDIR_END]
Which PPPs are possible at all on a given PCP.
Definition elrail_data.h:43
PCPpositions
static const DiagDirection PCPpositions[TRACK_END][2]
Maps a track bit onto two PCP positions.
Definition elrail_data.h:63
TileSource
TileSource
When determining the pylon configuration on the edge, two tiles are taken into account: the tile bein...
Definition elrail_data.h:33
ELRAIL_ELEVATION
static const uint ELRAIL_ELEVATION
Distance between wire and rail.
Definition elrail_data.h:328
TILE_HEIGHT
static const uint TILE_HEIGHT
Height of a height level in world coordinate AND in pixels in ZOOM_BASE.
Definition tile_type.h:18
Track
Track
These are used to specify a single track.
Definition track_type.h:19
TRACK_Y
@ TRACK_Y
Track along the y-axis (north-west to south-east)
Definition track_type.h:22
TRACK_LOWER
@ TRACK_LOWER
Track in the lower corner of the tile (south)
Definition track_type.h:24
TRACK_END
@ TRACK_END
Used for iterations.
Definition track_type.h:27
TRACK_LEFT
@ TRACK_LEFT
Track in the left corner of the tile (west)
Definition track_type.h:25
TRACK_RIGHT
@ TRACK_RIGHT
Track in the right corner of the tile (east)
Definition track_type.h:26
TRACK_X
@ TRACK_X
Track along the x-axis (north-east to south-west)
Definition track_type.h:21
TRACK_UPPER
@ TRACK_UPPER
Track in the upper corner of the tile (north)
Definition track_type.h:23