summaryrefslogtreecommitdiff
path: root/src/saveload/misc_sl.cpp
blob: 7ef4e3018e8d4b89ba96185e003d55133eb50c6a (plain)
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
/*
 * 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 misc_sl.cpp Saving and loading of things that didn't fit anywhere else */

#include "../stdafx.h"
#include "../date_func.h"
#include "../zoom_func.h"
#include "../window_gui.h"
#include "../window_func.h"
#include "../viewport_func.h"
#include "../gfx_func.h"
#include "../core/random_func.hpp"
#include "../fios.h"

#include "saveload.h"

#include "../safeguards.h"

extern TileIndex _cur_tileloop_tile;
extern uint16 _disaster_delay;
extern byte _trees_tick_ctr;

/* Keep track of current game position */
int _saved_scrollpos_x;
int _saved_scrollpos_y;
ZoomLevel _saved_scrollpos_zoom;

void SaveViewportBeforeSaveGame()
{
	const Window *w = FindWindowById(WC_MAIN_WINDOW, 0);

	if (w != nullptr) {
		_saved_scrollpos_x = w->viewport->scrollpos_x;
		_saved_scrollpos_y = w->viewport->scrollpos_y;
		_saved_scrollpos_zoom = w->viewport->zoom;
	}
}

void ResetViewportAfterLoadGame()
{
	Window *w = FindWindowById(WC_MAIN_WINDOW, 0);

	w->viewport->scrollpos_x = _saved_scrollpos_x;
	w->viewport->scrollpos_y = _saved_scrollpos_y;
	w->viewport->dest_scrollpos_x = _saved_scrollpos_x;
	w->viewport->dest_scrollpos_y = _saved_scrollpos_y;

	ViewPort *vp = w->viewport;
	vp->zoom = (ZoomLevel)min(_saved_scrollpos_zoom, ZOOM_LVL_MAX);
	vp->virtual_width = ScaleByZoom(vp->width, vp->zoom);
	vp->virtual_height = ScaleByZoom(vp->height, vp->zoom);

	/* If zoom_max is ZOOM_LVL_MIN then the setting has not been loaded yet, therefore all levels are allowed. */
	if (_settings_client.gui.zoom_max != ZOOM_LVL_MIN) {
		/* Ensure zoom level is allowed */
		while (vp->zoom < _settings_client.gui.zoom_min) DoZoomInOutWindow(ZOOM_OUT, w);
		while (vp->zoom > _settings_client.gui.zoom_max) DoZoomInOutWindow(ZOOM_IN, w);
	}

	DoZoomInOutWindow(ZOOM_NONE, w); // update button status
	MarkWholeScreenDirty();
}

byte _age_cargo_skip_counter; ///< Skip aging of cargo? Used before savegame version 162.

static const SaveLoadGlobVarList _date_desc[] = {
	SLEG_CONDVAR(_date,                   SLE_FILE_U16 | SLE_VAR_I32,  SL_MIN_VERSION,  SLV_31),
	SLEG_CONDVAR(_date,                   SLE_INT32,                  SLV_31, SL_MAX_VERSION),
	    SLEG_VAR(_date_fract,             SLE_UINT16),
	    SLEG_VAR(_tick_counter,           SLE_UINT16),
	SLE_CONDNULL(2, SL_MIN_VERSION, SLV_157), // _vehicle_id_ctr_day
	SLEG_CONDVAR(_age_cargo_skip_counter, SLE_UINT8,                   SL_MIN_VERSION, SLV_162),
	SLE_CONDNULL(1, SL_MIN_VERSION, SLV_46),
	SLEG_CONDVAR(_cur_tileloop_tile,      SLE_FILE_U16 | SLE_VAR_U32,  SL_MIN_VERSION, SLV_6),
	SLEG_CONDVAR(_cur_tileloop_tile,      SLE_UINT32,                  SLV_6, SL_MAX_VERSION),
	    SLEG_VAR(_disaster_delay,         SLE_UINT16),
	SLE_CONDNULL(2, SL_MIN_VERSION, SLV_120),
	    SLEG_VAR(_random.state[0],        SLE_UINT32),
	    SLEG_VAR(_random.state[1],        SLE_UINT32),
	SLE_CONDNULL(1,  SL_MIN_VERSION,  SLV_10),
	SLE_CONDNULL(4, SLV_10, SLV_120),
	    SLEG_VAR(_cur_company_tick_index, SLE_FILE_U8  | SLE_VAR_U32),
	SLEG_CONDVAR(_next_competitor_start,  SLE_FILE_U16 | SLE_VAR_U32,  SL_MIN_VERSION, SLV_109),
	SLEG_CONDVAR(_next_competitor_start,  SLE_UINT32,                SLV_109, SL_MAX_VERSION),
	    SLEG_VAR(_trees_tick_ctr,         SLE_UINT8),
	SLEG_CONDVAR(_pause_mode,             SLE_UINT8,                   SLV_4, SL_MAX_VERSION),
	SLE_CONDNULL(4, SLV_11, SLV_120),
	    SLEG_END()
};

static const SaveLoadGlobVarList _date_check_desc[] = {
	SLEG_CONDVAR(_load_check_data.current_date,  SLE_FILE_U16 | SLE_VAR_I32,  SL_MIN_VERSION,  SLV_31),
	SLEG_CONDVAR(_load_check_data.current_date,  SLE_INT32,                  SLV_31, SL_MAX_VERSION),
	    SLE_NULL(2),                       // _date_fract
	    SLE_NULL(2),                       // _tick_counter
	SLE_CONDNULL(2, SL_MIN_VERSION, SLV_157),               // _vehicle_id_ctr_day
	SLE_CONDNULL(1, SL_MIN_VERSION, SLV_162),               // _age_cargo_skip_counter
	SLE_CONDNULL(1, SL_MIN_VERSION, SLV_46),
	SLE_CONDNULL(2, SL_MIN_VERSION, SLV_6),                 // _cur_tileloop_tile
	SLE_CONDNULL(4, SLV_6, SL_MAX_VERSION),    // _cur_tileloop_tile
	    SLE_NULL(2),                       // _disaster_delay
	SLE_CONDNULL(2, SL_MIN_VERSION, SLV_120),
	    SLE_NULL(4),                       // _random.state[0]
	    SLE_NULL(4),                       // _random.state[1]
	SLE_CONDNULL(1,  SL_MIN_VERSION,  SLV_10),
	SLE_CONDNULL(4, SLV_10, SLV_120),
	    SLE_NULL(1),                       // _cur_company_tick_index
	SLE_CONDNULL(2, SL_MIN_VERSION, SLV_109),               // _next_competitor_start
	SLE_CONDNULL(4, SLV_109, SL_MAX_VERSION),  // _next_competitor_start
	    SLE_NULL(1),                       // _trees_tick_ctr
	SLE_CONDNULL(1, SLV_4, SL_MAX_VERSION),    // _pause_mode
	SLE_CONDNULL(4, SLV_11, SLV_120),
	    SLEG_END()
};

/* Save load date related variables as well as persistent tick counters
 * XXX: currently some unrelated stuff is just put here */
static void SaveLoad_DATE()
{
	SlGlobList(_date_desc);
}

static void Check_DATE()
{
	SlGlobList(_date_check_desc);
	if (IsSavegameVersionBefore(SLV_31)) {
		_load_check_data.current_date += DAYS_TILL_ORIGINAL_BASE_YEAR;
	}
}


static const SaveLoadGlobVarList _view_desc[] = {
	SLEG_CONDVAR(_saved_scrollpos_x,    SLE_FILE_I16 | SLE_VAR_I32, SL_MIN_VERSION, SLV_6),
	SLEG_CONDVAR(_saved_scrollpos_x,    SLE_INT32,                  SLV_6, SL_MAX_VERSION),
	SLEG_CONDVAR(_saved_scrollpos_y,    SLE_FILE_I16 | SLE_VAR_I32, SL_MIN_VERSION, SLV_6),
	SLEG_CONDVAR(_saved_scrollpos_y,    SLE_INT32,                  SLV_6, SL_MAX_VERSION),
	    SLEG_VAR(_saved_scrollpos_zoom, SLE_UINT8),
	    SLEG_END()
};

static void SaveLoad_VIEW()
{
	SlGlobList(_view_desc);
}

extern const ChunkHandler _misc_chunk_handlers[] = {
	{ 'DATE', SaveLoad_DATE, SaveLoad_DATE, nullptr, Check_DATE, CH_RIFF},
	{ 'VIEW', SaveLoad_VIEW, SaveLoad_VIEW, nullptr, nullptr,    CH_RIFF | CH_LAST},
};