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
8 /** @file roadveh_gui.cpp GUI for road vehicles. */
9
10 #include "stdafx.h"
11 #include "roadveh.h"
12 #include "window_gui.h"
13 #include "strings_func.h"
14 #include "vehicle_func.h"
15 #include "string_func.h"
16 #include "zoom_func.h"
17
18 #include "table/strings.h"
19
20 #include "safeguards.h"
21
22 /**
23 * Draw the details for the given vehicle at the given position
24 *
25 * @param v current vehicle
26 * @param left The left most coordinate to draw
27 * @param right The right most coordinate to draw
28 * @param y The y coordinate
29 */
DrawRoadVehDetails(const Vehicle * v,int left,int right,int y)30 void DrawRoadVehDetails(const Vehicle *v, int left, int right, int y)
31 {
32 uint y_offset = v->HasArticulatedPart() ? ScaleGUITrad(15) : 0; // Draw the first line below the sprite of an articulated RV instead of after it.
33 StringID str;
34 Money feeder_share = 0;
35
36 SetDParam(0, v->engine_type);
37 SetDParam(1, v->build_year);
38 SetDParam(2, v->value);
39 DrawString(left, right, y + y_offset, STR_VEHICLE_INFO_BUILT_VALUE);
40
41 if (v->HasArticulatedPart()) {
42 CargoArray max_cargo;
43 StringID subtype_text[NUM_CARGO];
44 char capacity[512];
45
46 memset(subtype_text, 0, sizeof(subtype_text));
47
48 for (const Vehicle *u = v; u != nullptr; u = u->Next()) {
49 max_cargo[u->cargo_type] += u->cargo_cap;
50 if (u->cargo_cap > 0) {
51 StringID text = GetCargoSubtypeText(u);
52 if (text != STR_EMPTY) subtype_text[u->cargo_type] = text;
53 }
54 }
55
56 GetString(capacity, STR_VEHICLE_DETAILS_TRAIN_ARTICULATED_RV_CAPACITY, lastof(capacity));
57
58 bool first = true;
59 for (CargoID i = 0; i < NUM_CARGO; i++) {
60 if (max_cargo[i] > 0) {
61 char buffer[128];
62
63 SetDParam(0, i);
64 SetDParam(1, max_cargo[i]);
65 GetString(buffer, STR_JUST_CARGO, lastof(buffer));
66
67 if (!first) strecat(capacity, ", ", lastof(capacity));
68 strecat(capacity, buffer, lastof(capacity));
69
70 if (subtype_text[i] != 0) {
71 GetString(buffer, subtype_text[i], lastof(buffer));
72 strecat(capacity, buffer, lastof(capacity));
73 }
74
75 first = false;
76 }
77 }
78
79 DrawString(left, right, y + FONT_HEIGHT_NORMAL + y_offset, capacity, TC_BLUE);
80
81 for (const Vehicle *u = v; u != nullptr; u = u->Next()) {
82 if (u->cargo_cap == 0) continue;
83
84 str = STR_VEHICLE_DETAILS_CARGO_EMPTY;
85 if (u->cargo.StoredCount() > 0) {
86 SetDParam(0, u->cargo_type);
87 SetDParam(1, u->cargo.StoredCount());
88 SetDParam(2, u->cargo.Source());
89 str = STR_VEHICLE_DETAILS_CARGO_FROM;
90 feeder_share += u->cargo.FeederShare();
91 }
92 DrawString(left, right, y + 2 * FONT_HEIGHT_NORMAL + 1 + y_offset, str);
93
94 y_offset += FONT_HEIGHT_NORMAL + 1;
95 }
96
97 y_offset -= FONT_HEIGHT_NORMAL + 1;
98 } else {
99 SetDParam(0, v->cargo_type);
100 SetDParam(1, v->cargo_cap);
101 SetDParam(4, GetCargoSubtypeText(v));
102 DrawString(left, right, y + FONT_HEIGHT_NORMAL + y_offset, STR_VEHICLE_INFO_CAPACITY);
103
104 str = STR_VEHICLE_DETAILS_CARGO_EMPTY;
105 if (v->cargo.StoredCount() > 0) {
106 SetDParam(0, v->cargo_type);
107 SetDParam(1, v->cargo.StoredCount());
108 SetDParam(2, v->cargo.Source());
109 str = STR_VEHICLE_DETAILS_CARGO_FROM;
110 feeder_share += v->cargo.FeederShare();
111 }
112 DrawString(left, right, y + 2 * FONT_HEIGHT_NORMAL + 1 + y_offset, str);
113 }
114
115 /* Draw Transfer credits text */
116 SetDParam(0, feeder_share);
117 DrawString(left, right, y + 3 * FONT_HEIGHT_NORMAL + 3 + y_offset, STR_VEHICLE_INFO_FEEDER_CARGO_VALUE);
118 }
119
120 /**
121 * Draws an image of a road vehicle chain
122 * @param v Front vehicle
123 * @param left The minimum horizontal position
124 * @param right The maximum horizontal position
125 * @param y Vertical position to draw at
126 * @param selection Selected vehicle to draw a frame around
127 * @param skip Number of pixels to skip at the front (for scrolling)
128 */
DrawRoadVehImage(const Vehicle * v,int left,int right,int y,VehicleID selection,EngineImageType image_type,int skip)129 void DrawRoadVehImage(const Vehicle *v, int left, int right, int y, VehicleID selection, EngineImageType image_type, int skip)
130 {
131 bool rtl = _current_text_dir == TD_RTL;
132 Direction dir = rtl ? DIR_E : DIR_W;
133 const RoadVehicle *u = RoadVehicle::From(v);
134
135 DrawPixelInfo tmp_dpi, *old_dpi;
136 int max_width = right - left + 1;
137
138 if (!FillDrawPixelInfo(&tmp_dpi, left, y, max_width, ScaleGUITrad(14))) return;
139
140 old_dpi = _cur_dpi;
141 _cur_dpi = &tmp_dpi;
142
143 int px = rtl ? max_width + skip : -skip;
144 for (; u != nullptr && (rtl ? px > 0 : px < max_width); u = u->Next()) {
145 Point offset;
146 int width = u->GetDisplayImageWidth(&offset);
147
148 if (rtl ? px + width > 0 : px - width < max_width) {
149 PaletteID pal = (u->vehstatus & VS_CRASHED) ? PALETTE_CRASH : GetVehiclePalette(u);
150 VehicleSpriteSeq seq;
151 u->GetImage(dir, image_type, &seq);
152 seq.Draw(px + (rtl ? -offset.x : offset.x), ScaleGUITrad(6) + offset.y, pal, (u->vehstatus & VS_CRASHED) != 0);
153 }
154
155 px += rtl ? -width : width;
156 }
157
158 if (v->index == selection) {
159 DrawFrameRect((rtl ? px : 0), 0, (rtl ? max_width : px) - 1, ScaleGUITrad(13) - 1, COLOUR_WHITE, FR_BORDERONLY);
160 }
161
162 _cur_dpi = old_dpi;
163 }
164