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
|
/* $Id$ */
/** @file articulated_vehicles.cpp */
#include "stdafx.h"
#include "openttd.h"
#include "articulated_vehicles.h"
#include "train.h"
#include "roadveh.h"
#include "newgrf_callbacks.h"
#include "newgrf_engine.h"
#include "vehicle_func.h"
uint CountArticulatedParts(EngineID engine_type, bool purchase_window)
{
if (!HasBit(EngInfo(engine_type)->callbackmask, CBM_VEHICLE_ARTIC_ENGINE)) return 0;
Vehicle *v = NULL;;
if (!purchase_window) {
v = new InvalidVehicle();
v->engine_type = engine_type;
}
uint i;
for (i = 1; i < MAX_UVALUE(EngineID); i++) {
uint16 callback = GetVehicleCallback(CBID_VEHICLE_ARTIC_ENGINE, i, 0, engine_type, v);
if (callback == CALLBACK_FAILED || GB(callback, 0, 8) == 0xFF) break;
}
delete v;
return i - 1;
}
uint16 *GetCapacityOfArticulatedParts(EngineID engine, VehicleType type)
{
static uint16 capacity[NUM_CARGO];
memset(capacity, 0, sizeof(capacity));
if (type == VEH_TRAIN) {
const RailVehicleInfo *rvi = RailVehInfo(engine);
capacity[rvi->cargo_type] = rvi->capacity;
if (rvi->railveh_type == RAILVEH_MULTIHEAD) capacity[rvi->cargo_type] += rvi->capacity;
} else if (type == VEH_ROAD) {
const RoadVehicleInfo *rvi = RoadVehInfo(engine);
capacity[rvi->cargo_type] = rvi->capacity;
}
if (!HasBit(EngInfo(engine)->callbackmask, CBM_VEHICLE_ARTIC_ENGINE)) return capacity;
for (uint i = 1; i < MAX_UVALUE(EngineID); i++) {
uint16 callback = GetVehicleCallback(CBID_VEHICLE_ARTIC_ENGINE, i, 0, engine, NULL);
if (callback == CALLBACK_FAILED || GB(callback, 0, 8) == 0xFF) break;
EngineID artic_engine = GetNewEngineID(GetEngineGRF(engine), type, GB(callback, 0, 7));
if (type == VEH_TRAIN) {
const RailVehicleInfo *rvi = RailVehInfo(artic_engine);
capacity[rvi->cargo_type] += GetEngineProperty(artic_engine, 0x14, rvi->capacity);
} else if (type == VEH_ROAD) {
const RoadVehicleInfo *rvi = RoadVehInfo(artic_engine);
capacity[rvi->cargo_type] += GetEngineProperty(artic_engine, 0x0F, rvi->capacity);
}
}
return capacity;
}
void AddArticulatedParts(Vehicle **vl, VehicleType type)
{
const Vehicle *v = vl[0];
Vehicle *u = vl[0];
if (!HasBit(EngInfo(v->engine_type)->callbackmask, CBM_VEHICLE_ARTIC_ENGINE)) return;
for (uint i = 1; i < MAX_UVALUE(EngineID); i++) {
uint16 callback = GetVehicleCallback(CBID_VEHICLE_ARTIC_ENGINE, i, 0, v->engine_type, v);
if (callback == CALLBACK_FAILED || GB(callback, 0, 8) == 0xFF) return;
/* Attempt to use pre-allocated vehicles until they run out. This can happen
* if the callback returns different values depending on the cargo type. */
u->SetNext(vl[i]);
if (u->Next() == NULL) return;
Vehicle *previous = u;
u = u->Next();
EngineID engine_type = GetNewEngineID(GetEngineGRF(v->engine_type), type, GB(callback, 0, 7));
bool flip_image = HasBit(callback, 7);
/* get common values from first engine */
u->direction = v->direction;
u->owner = v->owner;
u->tile = v->tile;
u->x_pos = v->x_pos;
u->y_pos = v->y_pos;
u->z_pos = v->z_pos;
u->build_year = v->build_year;
u->vehstatus = v->vehstatus & ~VS_STOPPED;
u->cargo_subtype = 0;
u->max_speed = 0;
u->max_age = 0;
u->engine_type = engine_type;
u->value = 0;
u->subtype = 0;
u->cur_image = 0xAC2;
u->random_bits = VehicleRandomBits();
switch (type) {
default: NOT_REACHED();
case VEH_TRAIN: {
const RailVehicleInfo *rvi_artic = RailVehInfo(engine_type);
u = new (u) Train();
previous->SetNext(u);
u->u.rail.track = v->u.rail.track;
u->u.rail.railtype = v->u.rail.railtype;
u->u.rail.first_engine = v->engine_type;
u->spritenum = rvi_artic->image_index;
u->cargo_type = rvi_artic->cargo_type;
u->cargo_cap = rvi_artic->capacity;
SetArticulatedPart(u);
} break;
case VEH_ROAD: {
const RoadVehicleInfo *rvi_artic = RoadVehInfo(engine_type);
u = new (u) RoadVehicle();
previous->SetNext(u);
u->u.road.first_engine = v->engine_type;
u->u.road.cached_veh_length = GetRoadVehLength(u);
u->u.road.state = RVSB_IN_DEPOT;
u->u.road.roadtype = v->u.road.roadtype;
u->u.road.compatible_roadtypes = v->u.road.compatible_roadtypes;
u->spritenum = rvi_artic->image_index;
u->cargo_type = rvi_artic->cargo_type;
u->cargo_cap = rvi_artic->capacity;
SetRoadVehArticPart(u);
} break;
}
if (flip_image) u->spritenum++;
VehiclePositionChanged(u);
}
}
|
