summaryrefslogtreecommitdiff
path: root/town.h
blob: 50a47c14b2db518005e6164b1bc8718b7d282196 (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
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
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
/* $Id$ */

#ifndef TOWN_H
#define TOWN_H

#include "oldpool.h"
#include "player.h"

struct Town {
	TileIndex xy;

	// Current population of people and amount of houses.
	uint16 num_houses;
	uint32 population;

	// Town name
	uint16 townnametype;
	uint32 townnameparts;

	// NOSAVE: Location of name sign, UpdateTownVirtCoord updates this.
	ViewportSign sign;

	// Makes sure we don't build certain house types twice.
	// bit 0 = Building funds received
	// bit 1 = CHURCH
	// bit 2 = STADIUM
	byte flags12;

	// Which players have a statue?
	byte statues;

	// Player ratings as well as a mask that determines which players have a rating.
	byte have_ratings;
	uint8 unwanted[MAX_PLAYERS]; // how many months companies aren't wanted by towns (bribe)
	PlayerID exclusivity;        // which player has exslusivity
	uint8 exclusive_counter;     // months till the exclusivity expires
	int16 ratings[MAX_PLAYERS];

	// Maximum amount of passengers and mail that can be transported.
	uint32 max_pass;
	uint32 max_mail;
	uint32 new_max_pass;
	uint32 new_max_mail;
	uint32 act_pass;
	uint32 act_mail;
	uint32 new_act_pass;
	uint32 new_act_mail;

	// Amount of passengers that were transported.
	byte pct_pass_transported;
	byte pct_mail_transported;

	// Amount of food and paper that was transported. Actually a bit mask would be enough.
	uint16 act_food;
	uint16 act_water;
	uint16 new_act_food;
	uint16 new_act_water;

	// Time until we rebuild a house.
	byte time_until_rebuild;

	// When to grow town next time.
	byte grow_counter;
	byte growth_rate;

	// Fund buildings program in action?
	byte fund_buildings_months;

	// Fund road reconstruction in action?
	byte road_build_months;

	// Index in town array
	TownID index;

	// NOSAVE: UpdateTownRadius updates this given the house count.
	uint16 radius[5];
};

uint32 GetWorldPopulation(void);

void UpdateTownVirtCoord(Town *t);
void InitializeTown(void);
void ShowTownViewWindow(TownID town);
void ExpandTown(Town *t);
Town *CreateRandomTown(uint attempts, uint size_mode);

enum {
	ROAD_REMOVE = 0,
	UNMOVEABLE_REMOVE = 1,
	TUNNELBRIDGE_REMOVE = 1,
	INDUSTRY_REMOVE = 2
};

enum {
	// These refer to the maximums, so Appalling is -1000 to -400
	// MAXIMUM RATINGS BOUNDARIES
	RATING_MINIMUM     = -1000,
	RATING_APPALLING   =  -400,
	RATING_VERYPOOR    =  -200,
	RATING_POOR        =     0,
	RATING_MEDIOCRE    =   200,
	RATING_GOOD        =   400,
	RATING_VERYGOOD    =   600,
	RATING_EXCELLENT   =   800,
	RATING_OUTSTANDING =  1000,         // OUTSTANDING

	RATING_MAXIMUM = RATING_OUTSTANDING,

	// RATINGS AFFECTING NUMBERS
	RATING_TREE_DOWN_STEP = -35,
	RATING_TREE_MINIMUM   = RATING_MINIMUM,
	RATING_TREE_UP_STEP   = 7,
	RATING_TREE_MAXIMUM   = 220,

	RATING_TUNNEL_BRIDGE_DOWN_STEP = -250,
	RATING_TUNNEL_BRIDGE_MINIMUM   = 0,

	RATING_INDUSTRY_DOWN_STEP = -1500,
	RATING_INDUSTRY_MINIMUM   = RATING_MINIMUM,

	RATING_ROAD_DOWN_STEP = -50,
	RATING_ROAD_MINIMUM   = -100,
	RATING_HOUSE_MINIMUM  = RATING_MINIMUM,

	RATING_BRIBE_UP_STEP = 200,
	RATING_BRIBE_MAXIMUM = 800,
	RATING_BRIBE_DOWN_TO = -50        // XXX SHOULD BE SOMETHING LOWER?
};

enum {
/* This is the base "normal" number of towns on the 8x8 map, when
 * one town should get grown per tick. The other numbers of towns
 * are then scaled based on that. */
	TOWN_GROWTH_FREQUENCY = 23,
/* Simple value that indicates the house has reached final stage of construction*/
	TOWN_HOUSE_COMPLETED  =  3,
};

/* This enum is used in conjonction with town->flags12.
 * IT simply states what bit is used for.
 * It is pretty unrealistic (IMHO) to only have one church/stadium
 * per town, NO MATTER the population of it.
 * And there are 5 more bits available on flags12...
 */
enum {
	TOWN_IS_FUNDED      = 0,   // Town has received some funds for
	TOWN_HAS_CHURCH     = 1,   // There can be only one church by town.
	TOWN_HAS_STADIUM    = 2    // There can be only one stadium by town.
};

bool CheckforTownRating(uint32 flags, Town *t, byte type);

VARDEF const Town** _town_sort;

DECLARE_OLD_POOL(Town, Town, 3, 8000)

/**
 * Check if a Town really exists.
 */
static inline bool IsValidTown(const Town* town)
{
	return town->xy != 0;
}

VARDEF uint _total_towns;

static inline TownID GetMaxTownIndex(void)
{
	/* TODO - This isn't the real content of the function, but
	 *  with the new pool-system this will be replaced with one that
	 *  _really_ returns the highest index. Now it just returns
	 *  the next safe value we are sure about everything is below.
	 */
	return _total_towns - 1;
}

static inline uint GetNumTowns(void)
{
	return _total_towns;
}

/**
 * Return a random valid town.
 */
static inline Town *GetRandomTown(void)
{
	uint num = RandomRange(GetNumTowns());
	uint index = 0;

	while (num > 0) {
		num--;

		index++;
		/* Make sure we have a valid industry */
		while (GetTown(index) == NULL) {
			index++;
			if (index > GetMaxTownIndex()) index = 0;
		}
	}

	return GetTown(index);
}

static inline bool IsValidTownID(uint index)
{
	return index < GetTownPoolSize() && IsValidTown(GetTown(index));
}

void DestroyTown(Town *t);

static inline void DeleteTown(Town *t)
{
	DestroyTown(t);
	t->xy = 0;
}

#define FOR_ALL_TOWNS_FROM(t, start) for (t = GetTown(start); t != NULL; t = (t->index + 1U < GetTownPoolSize()) ? GetTown(t->index + 1U) : NULL) if (IsValidTown(t))
#define FOR_ALL_TOWNS(t) FOR_ALL_TOWNS_FROM(t, 0)

VARDEF bool _town_sort_dirty;
VARDEF byte _town_sort_order;

VARDEF Town *_cleared_town;
VARDEF int _cleared_town_rating;

#endif /* TOWN_H */