]>
Commit | Line | Data |
---|---|---|
1 | /* cam.h | |
2 | * | |
3 | * Micropolis, Unix Version. This game was released for the Unix platform | |
4 | * in or about 1990 and has been modified for inclusion in the One Laptop | |
5 | * Per Child program. Copyright (C) 1989 - 2007 Electronic Arts Inc. If | |
6 | * you need assistance with this program, you may contact: | |
7 | * http://wiki.laptop.org/go/Micropolis or email micropolis@laptop.org. | |
8 | * | |
9 | * This program is free software: you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation, either version 3 of the License, or (at | |
12 | * your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, but | |
15 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 | * General Public License for more details. You should have received a | |
18 | * copy of the GNU General Public License along with this program. If | |
19 | * not, see <http://www.gnu.org/licenses/>. | |
20 | * | |
21 | * ADDITIONAL TERMS per GNU GPL Section 7 | |
22 | * | |
23 | * No trademark or publicity rights are granted. This license does NOT | |
24 | * give you any right, title or interest in the trademark SimCity or any | |
25 | * other Electronic Arts trademark. You may not distribute any | |
26 | * modification of this program using the trademark SimCity or claim any | |
27 | * affliation or association with Electronic Arts Inc. or its employees. | |
28 | * | |
29 | * Any propagation or conveyance of this program must include this | |
30 | * copyright notice and these terms. | |
31 | * | |
32 | * If you convey this program (or any modifications of it) and assume | |
33 | * contractual liability for the program to recipients of it, you agree | |
34 | * to indemnify Electronic Arts for any liability that those contractual | |
35 | * assumptions impose on Electronic Arts. | |
36 | * | |
37 | * You may not misrepresent the origins of this program; modified | |
38 | * versions of the program must be marked as such and not identified as | |
39 | * the original program. | |
40 | * | |
41 | * This disclaimer supplements the one included in the General Public | |
42 | * License. TO THE FULLEST EXTENT PERMISSIBLE UNDER APPLICABLE LAW, THIS | |
43 | * PROGRAM IS PROVIDED TO YOU "AS IS," WITH ALL FAULTS, WITHOUT WARRANTY | |
44 | * OF ANY KIND, AND YOUR USE IS AT YOUR SOLE RISK. THE ENTIRE RISK OF | |
45 | * SATISFACTORY QUALITY AND PERFORMANCE RESIDES WITH YOU. ELECTRONIC ARTS | |
46 | * DISCLAIMS ANY AND ALL EXPRESS, IMPLIED OR STATUTORY WARRANTIES, | |
47 | * INCLUDING IMPLIED WARRANTIES OF MERCHANTABILITY, SATISFACTORY QUALITY, | |
48 | * FITNESS FOR A PARTICULAR PURPOSE, NONINFRINGEMENT OF THIRD PARTY | |
49 | * RIGHTS, AND WARRANTIES (IF ANY) ARISING FROM A COURSE OF DEALING, | |
50 | * USAGE, OR TRADE PRACTICE. ELECTRONIC ARTS DOES NOT WARRANT AGAINST | |
51 | * INTERFERENCE WITH YOUR ENJOYMENT OF THE PROGRAM; THAT THE PROGRAM WILL | |
52 | * MEET YOUR REQUIREMENTS; THAT OPERATION OF THE PROGRAM WILL BE | |
53 | * UNINTERRUPTED OR ERROR-FREE, OR THAT THE PROGRAM WILL BE COMPATIBLE | |
54 | * WITH THIRD PARTY SOFTWARE OR THAT ANY ERRORS IN THE PROGRAM WILL BE | |
55 | * CORRECTED. NO ORAL OR WRITTEN ADVICE PROVIDED BY ELECTRONIC ARTS OR | |
56 | * ANY AUTHORIZED REPRESENTATIVE SHALL CREATE A WARRANTY. SOME | |
57 | * JURISDICTIONS DO NOT ALLOW THE EXCLUSION OF OR LIMITATIONS ON IMPLIED | |
58 | * WARRANTIES OR THE LIMITATIONS ON THE APPLICABLE STATUTORY RIGHTS OF A | |
59 | * CONSUMER, SO SOME OR ALL OF THE ABOVE EXCLUSIONS AND LIMITATIONS MAY | |
60 | * NOT APPLY TO YOU. | |
61 | */ | |
62 | ||
63 | #include <stdio.h> | |
64 | #include <stdlib.h> | |
65 | #include <fcntl.h> | |
66 | #include <signal.h> | |
67 | #ifndef HPUX | |
68 | #include <stropts.h> | |
69 | #endif | |
70 | #include <time.h> | |
71 | #include <errno.h> | |
72 | #ifndef IS_LINUX | |
73 | #include <sys/conf.h> | |
74 | #endif | |
75 | #include <sys/types.h> | |
76 | #include <sys/stat.h> | |
77 | #include <sys/file.h> | |
78 | #include <sys/mman.h> | |
79 | #include <sys/socket.h> | |
80 | #include <netinet/in.h> | |
81 | #include <sys/ipc.h> | |
82 | #include <sys/shm.h> | |
83 | #include <X11/Xlib.h> | |
84 | #include <X11/Xatom.h> | |
85 | #include <X11/extensions/XShm.h> | |
86 | ||
87 | ||
88 | #define CAM_ARGS \ | |
89 | SimCam *scam, ARGS | |
90 | ||
91 | ||
92 | struct Can { | |
93 | Byte *mem; | |
94 | int line_bytes; | |
95 | int width; | |
96 | int height; | |
97 | }; | |
98 | ||
99 | typedef struct Can Can; | |
100 | ||
101 | ||
102 | struct Cam { | |
103 | struct Cam *next; | |
104 | Can *back, *front; | |
105 | void (*neighborhood)(); | |
106 | Byte *rule; | |
107 | int rule_size; | |
108 | int width; | |
109 | int height; | |
110 | int ideal_width; | |
111 | int ideal_height; | |
112 | int phase; | |
113 | int wrap; | |
114 | int steps; | |
115 | int frob; | |
116 | int x; | |
117 | int y; | |
118 | int dx; | |
119 | int dy; | |
120 | int gx; | |
121 | int gy; | |
122 | int dragging; | |
123 | int set_x; | |
124 | int set_y; | |
125 | int set_width; | |
126 | int set_height; | |
127 | int set_x0; | |
128 | int set_y0; | |
129 | int set_x1; | |
130 | int set_y1; | |
131 | char *name; | |
132 | }; | |
133 | ||
134 | ||
135 | typedef struct Cam Cam; | |
136 | ||
137 | ||
138 | struct SimCam { | |
139 | struct SimCam *next; | |
140 | int w_x, w_y, w_width, w_height; | |
141 | int visible; | |
142 | int invalid; | |
143 | int skips; | |
144 | int skip; | |
145 | Tk_Window tkwin; | |
146 | Tcl_Interp *interp; | |
147 | int flags; | |
148 | XDisplay *x; | |
149 | XImage *image; | |
150 | XShmSegmentInfo *shminfo; | |
151 | int line_bytes; | |
152 | u_char *data; | |
153 | int cam_count; | |
154 | Cam *cam_list; | |
155 | }; | |
156 | ||
157 | ||
158 | typedef struct SimCam SimCam; | |
159 | ||
160 | ||
161 | #define NORTHWEST ((Byte)((l0>>16) & 0xff)) | |
162 | #define NORTH ((Byte)((l0>>8) & 0xff)) | |
163 | #define NORTHEAST ((Byte)(l0 & 0xff)) | |
164 | #define WEST ((Byte)((l1>>16) & 0xff)) | |
165 | #define CENTER ((Byte)((l1>>8) & 0xff)) | |
166 | #define EAST ((Byte)(l1 & 0xff)) | |
167 | #define SOUTHWEST ((Byte)((l2>>16) & 0xff)) | |
168 | #define SOUTH ((Byte)((l2>>8) & 0xff)) | |
169 | #define SOUTHEAST ((Byte)(l2 & 0xff)) | |
170 | ||
171 | #define SUM8 ((l0&1) + ((l0>>8)&1) + ((l0>>16)&1) + \ | |
172 | (l1&1) + ((l1>>16)&1) + \ | |
173 | (l2&1) + ((l2>>8)&1) + ((l2>>16)&1)) | |
174 | ||
175 | #define SUM9 (SUM8 + ((l1>>8)&1)) | |
176 | ||
177 | #define SUM8p(p) (((l0>>p)&1) + ((l0>>(p+8))&1) + ((l0>>(p+16))&1) + \ | |
178 | ((l1>>p)&1) + ((l1>>(p+16))&1) + \ | |
179 | ((l2>>p)&1) + ((l2>>(p+8))&1) + ((l2>>(p+16))&1)) | |
180 | ||
181 | #define SUM9p(p) (SUM8p(p) + ((l1>>(p+8))&1)) | |
182 | ||
183 | #define CAM_LOOP_BODY(BODY) \ | |
184 | { int y; \ | |
185 | int backline = cam->back->line_bytes, \ | |
186 | frontline = cam->front->line_bytes; \ | |
187 | Byte *back = cam->back->mem, \ | |
188 | *front = cam->front->mem; \ | |
189 | Byte *rule = cam->rule; \ | |
190 | for (y=0; y<cam->height; y++) { \ | |
191 | QUAD l0 = (back[0]<<8) + \ | |
192 | back[1], \ | |
193 | l1 = (back[backline]<<8) + \ | |
194 | back[backline+1], \ | |
195 | l2 = (back[backline+backline]<<8) + \ | |
196 | back[backline+backline+1]; \ | |
197 | int x, w = cam->width; \ | |
198 | for (x=0; x<w; x++) { \ | |
199 | l0 = (l0<<8) + back[2]; \ | |
200 | l1 = (l1<<8) + back[backline+2]; \ | |
201 | l2 = (l2<<8) + back[backline+backline+2]; \ | |
202 | BODY; \ | |
203 | back++; front++; \ | |
204 | } \ | |
205 | back += backline - w; front += frontline - w; \ | |
206 | } \ | |
207 | } | |
208 | ||
209 | #define CAM_LOOP(RULE) \ | |
210 | CAM_LOOP_BODY(*front = (RULE) ) | |
211 | ||
212 | #define CAM_TABLE_LOOP(NEIGHBORHOOD) \ | |
213 | CAM_LOOP(rule[(NEIGHBORHOOD)]) | |
214 | ||
215 | ||
216 | typedef void (*vf)(); | |
217 |