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
|
/* $Id$ */
/*
* 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 cargotype.cpp Implementation of cargoes. */
#include "stdafx.h"
#include "cargotype.h"
#include "core/bitmath_func.hpp"
#include "newgrf_cargo.h"
#include "string_func.h"
#include "strings_func.h"
#include "core/sort_func.hpp"
#include "table/sprites.h"
#include "table/strings.h"
#include "table/cargo_const.h"
CargoSpec CargoSpec::array[NUM_CARGO];
/**
* Bitmask of cargo types available.
* Initialized during a call to #SetupCargoForClimate.
*/
uint32 _cargo_mask;
/**
* Set up the default cargo types for the given landscape type.
* @param l Landscape
*/
void SetupCargoForClimate(LandscapeID l)
{
assert(l < lengthof(_default_climate_cargo));
/* Reset and disable all cargo types */
memset(CargoSpec::array, 0, sizeof(CargoSpec::array));
for (CargoID i = 0; i < lengthof(CargoSpec::array); i++) CargoSpec::Get(i)->bitnum = INVALID_CARGO;
_cargo_mask = 0;
for (CargoID i = 0; i < lengthof(_default_climate_cargo[l]); i++) {
CargoLabel cl = _default_climate_cargo[l][i];
/* Bzzt: check if cl is just an index into the cargo table */
if (cl < lengthof(_default_cargo)) {
/* Copy the indexed cargo */
CargoSpec *cargo = CargoSpec::Get(i);
*cargo = _default_cargo[cl];
if (cargo->bitnum != INVALID_CARGO) SetBit(_cargo_mask, i);
continue;
}
/* Loop through each of the default cargo types to see if
* the label matches */
for (uint j = 0; j < lengthof(_default_cargo); j++) {
if (_default_cargo[j].label == cl) {
*CargoSpec::Get(i) = _default_cargo[j];
/* Populate the available cargo mask */
SetBit(_cargo_mask, i);
break;
}
}
}
}
/**
* Get the cargo ID by cargo label.
* @param cl Cargo type to get.
* @return ID number if the cargo exists, else #CT_INVALID
*/
CargoID GetCargoIDByLabel(CargoLabel cl)
{
const CargoSpec *cs;
FOR_ALL_CARGOSPECS(cs) {
if (cs->label == cl) return cs->Index();
}
/* No matching label was found, so it is invalid */
return CT_INVALID;
}
/**
* Find the CargoID of a 'bitnum' value.
* @param bitnum 'bitnum' to find.
* @return First CargoID with the given bitnum, or #CT_INVALID if not found or if the provided \a bitnum is invalid.
*/
CargoID GetCargoIDByBitnum(uint8 bitnum)
{
if (bitnum == INVALID_CARGO) return CT_INVALID;
const CargoSpec *cs;
FOR_ALL_CARGOSPECS(cs) {
if (cs->bitnum == bitnum) return cs->Index();
}
/* No matching label was found, so it is invalid */
return CT_INVALID;
}
/**
* Get sprite for showing cargo of this type.
* @return Sprite number to use.
*/
SpriteID CargoSpec::GetCargoIcon() const
{
SpriteID sprite = this->sprite;
if (sprite == 0xFFFF) {
/* A value of 0xFFFF indicates we should draw a custom icon */
sprite = GetCustomCargoSprite(this);
}
if (sprite == 0) sprite = SPR_CARGO_GOODS;
return sprite;
}
const CargoSpec *_sorted_cargo_specs[NUM_CARGO]; ///< Cargo specifications sorted alphabetically by name.
uint8 _sorted_cargo_specs_size; ///< Number of cargo specifications stored at the _sorted_cargo_specs array (including special cargoes).
uint8 _sorted_standard_cargo_specs_size; ///< Number of standard cargo specifications stored at the _sorted_cargo_specs array.
/** Sort cargo specifications by their name. */
static int CDECL CargoSpecNameSorter(const CargoSpec * const *a, const CargoSpec * const *b)
{
static char a_name[64];
static char b_name[64];
GetString(a_name, (*a)->name, lastof(a_name));
GetString(b_name, (*b)->name, lastof(b_name));
int res = strnatcmp(a_name, b_name); // Sort by name (natural sorting).
/* If the names are equal, sort by cargo bitnum. */
return (res != 0) ? res : ((*a)->bitnum - (*b)->bitnum);
}
/** Sort cargo specifications by their cargo class. */
static int CDECL CargoSpecClassSorter(const CargoSpec * const *a, const CargoSpec * const *b)
{
int res = ((*b)->classes & CC_PASSENGERS) - ((*a)->classes & CC_PASSENGERS);
if (res == 0) {
res = ((*b)->classes & CC_MAIL) - ((*a)->classes & CC_MAIL);
if (res == 0) {
res = ((*a)->classes & CC_SPECIAL) - ((*b)->classes & CC_SPECIAL);
if (res == 0) {
return CargoSpecNameSorter(a, b);
}
}
}
return res;
}
/** Initialize the list of sorted cargo specifications. */
void InitializeSortedCargoSpecs()
{
_sorted_cargo_specs_size = 0;
const CargoSpec *cargo;
/* Add each cargo spec to the list. */
FOR_ALL_CARGOSPECS(cargo) {
_sorted_cargo_specs[_sorted_cargo_specs_size] = cargo;
_sorted_cargo_specs_size++;
}
/* Sort cargo specifications by cargo class and name. */
QSortT(_sorted_cargo_specs, _sorted_cargo_specs_size, &CargoSpecClassSorter);
_sorted_standard_cargo_specs_size = 0;
FOR_ALL_SORTED_CARGOSPECS(cargo) {
if (cargo->classes & CC_SPECIAL) break;
_sorted_standard_cargo_specs_size++;
}
}
|
