1 /**
2  ** continf.h - Container rule information from 'shape_info.txt'.
3  **
4  ** Written: 06/01/2008 - Marzo
5  **/
6 
7 #ifndef INCL_CONTINF_H
8 #define INCL_CONTINF_H  1
9 
10 /*
11 Copyright (C) 2008 The Exult Team
12 
13 This program is free software; you can redistribute it and/or
14 modify it under the terms of the GNU General Public License
15 as published by the Free Software Foundation; either version 2
16 of the License, or (at your option) any later version.
17 
18 This program is distributed in the hope that it will be useful,
19 but WITHOUT ANY WARRANTY; without even the implied warranty of
20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
21 GNU General Public License for more details.
22 
23 You should have received a copy of the GNU General Public License
24 along with this program; if not, write to the Free Software
25 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
26 */
27 
28 #include "baseinf.h"
29 #include "exult_constants.h"
30 
31 #include <iosfwd>
32 
33 class Shape_info;
34 
35 /*
36  *  Information about shapes accepted/rejected by containers.
37  *  This is meant to be stored in a totally ordered vector.
38  */
39 class Content_rules : public Base_info {
40 	int     shape;
41 	bool    accept;
42 public:
43 	friend class Shape_info;
44 	Content_rules() = default;
45 	Content_rules(int sh, bool a, bool p = false, bool m = false,
46 	              bool st = false, bool inv = false) {
47 		set(sh, a, p, m, st, inv);
48 	}
Content_rules(const Content_rules & other)49 	Content_rules(const Content_rules &other)
50 		: Base_info(other), shape(other.shape), accept(other.accept) {
51 		info_flags = other.info_flags;
52 	}
53 	// Read in from file.
54 	bool read(std::istream &in, int version, Exult_Game game);
55 	// Write out.
56 	void write(std::ostream &out, int shapenum, Exult_Game game);
57 	void set(int sh, bool a, bool p = false, bool m = false,
58 	         bool st = false, bool inv = false) {
59 		shape = sh;
60 		accept = a;
61 		set_patch(p);
62 		set_modified(m);
63 		set_static(st);
64 		set_invalid(inv);
65 	}
invalidate()66 	void invalidate() {
67 		accept = true;
68 		set_invalid(true);
69 	}
get_shape()70 	int get_shape() const {
71 		return shape;
72 	}
accepts_shape()73 	bool accepts_shape() const {
74 		return accept;
75 	}
set_accept(bool tf)76 	void set_accept(bool tf) {
77 		if (accept != tf) {
78 			set_modified(true);
79 			accept = tf;
80 		}
81 	}
82 	bool operator<(const Content_rules &other) const {
83 		auto shp1 = static_cast<unsigned short>(shape);
84 		auto shp2 = static_cast<unsigned short>(other.shape);
85 		return shp1 < shp2;
86 	}
87 	bool operator==(const Content_rules &other) const {
88 		return this == &other || (!(*this < other) && !(other < *this));
89 	}
90 	bool operator!=(const Content_rules &other) const {
91 		return !(*this == other);
92 	}
93 	Content_rules &operator=(const Content_rules &other) {
94 		if (this != &other) {
95 			shape = other.shape;
96 			accept = other.accept;
97 			info_flags = other.info_flags;
98 		}
99 		return *this;
100 	}
set(const Content_rules & other)101 	void set(const Content_rules &other) {
102 		// Assumes *this == other.
103 		// No need to guard against self-assignment.
104 		// Do NOT copy modified or static flags.
105 		set_patch(other.from_patch());
106 		set_invalid(other.is_invalid());
107 		set_accept(other.accept);
108 	}
109 	enum { is_binary = 0, entry_size = 0 };
110 };
111 
112 #endif
113