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1 | /* |
2 | * puzzles.h: header file for my puzzle collection |
3 | */ |
4 | |
5 | #ifndef PUZZLES_PUZZLES_H |
6 | #define PUZZLES_PUZZLES_H |
7 | |
8 | #ifndef TRUE |
9 | #define TRUE 1 |
10 | #endif |
11 | #ifndef FALSE |
12 | #define FALSE 0 |
13 | #endif |
14 | |
15 | #define lenof(array) ( sizeof(array) / sizeof(*(array)) ) |
16 | |
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17 | #define STR_INT(x) #x |
18 | #define STR(x) STR_INT(x) |
19 | |
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20 | enum { |
21 | LEFT_BUTTON = 0x1000, |
22 | MIDDLE_BUTTON, |
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23 | RIGHT_BUTTON, |
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24 | LEFT_DRAG, |
25 | MIDDLE_DRAG, |
26 | RIGHT_DRAG, |
27 | LEFT_RELEASE, |
28 | MIDDLE_RELEASE, |
29 | RIGHT_RELEASE, |
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30 | CURSOR_UP, |
31 | CURSOR_DOWN, |
32 | CURSOR_LEFT, |
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33 | CURSOR_RIGHT, |
34 | CURSOR_UP_LEFT, |
35 | CURSOR_DOWN_LEFT, |
36 | CURSOR_UP_RIGHT, |
37 | CURSOR_DOWN_RIGHT |
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38 | }; |
39 | |
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40 | #define IS_MOUSE_DOWN(m) ( (unsigned)((m) - LEFT_BUTTON) <= \ |
41 | (unsigned)(RIGHT_BUTTON - LEFT_BUTTON)) |
42 | #define IS_MOUSE_DRAG(m) ( (unsigned)((m) - LEFT_DRAG) <= \ |
43 | (unsigned)(RIGHT_DRAG - LEFT_DRAG)) |
44 | #define IS_MOUSE_RELEASE(m) ( (unsigned)((m) - LEFT_RELEASE) <= \ |
45 | (unsigned)(RIGHT_RELEASE - LEFT_RELEASE)) |
46 | |
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47 | #define IGNOREARG(x) ( (x) = (x) ) |
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48 | |
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49 | typedef struct frontend frontend; |
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50 | typedef struct config_item config_item; |
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51 | typedef struct midend_data midend_data; |
52 | typedef struct random_state random_state; |
53 | typedef struct game_params game_params; |
54 | typedef struct game_state game_state; |
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55 | typedef struct game_ui game_ui; |
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56 | typedef struct game_drawstate game_drawstate; |
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57 | typedef struct game game; |
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58 | |
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59 | #define ALIGN_VNORMAL 0x000 |
60 | #define ALIGN_VCENTRE 0x100 |
61 | |
62 | #define ALIGN_HLEFT 0x000 |
63 | #define ALIGN_HCENTRE 0x001 |
64 | #define ALIGN_HRIGHT 0x002 |
65 | |
66 | #define FONT_FIXED 0 |
67 | #define FONT_VARIABLE 1 |
68 | |
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69 | /* |
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70 | * Structure used to pass configuration data between frontend and |
71 | * game |
72 | */ |
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73 | enum { C_STRING, C_CHOICES, C_BOOLEAN, C_END }; |
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74 | struct config_item { |
75 | /* |
76 | * `name' is never dynamically allocated. |
77 | */ |
78 | char *name; |
79 | /* |
80 | * `type' contains one of the above values. |
81 | */ |
82 | int type; |
83 | /* |
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84 | * For C_STRING, `sval' is always dynamically allocated and |
85 | * non-NULL. For C_BOOLEAN and C_END, `sval' is always NULL. |
86 | * For C_CHOICES, `sval' is non-NULL, _not_ dynamically |
87 | * allocated, and contains a set of option strings separated by |
88 | * a delimiter. The delimeter is also the first character in |
89 | * the string, so for example ":Foo:Bar:Baz" gives three |
90 | * options `Foo', `Bar' and `Baz'. |
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91 | */ |
92 | char *sval; |
93 | /* |
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94 | * For C_BOOLEAN, this is TRUE or FALSE. For C_CHOICES, it |
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95 | * indicates the chosen index from the `sval' list. In the |
96 | * above example, 0==Foo, 1==Bar and 2==Baz. |
97 | */ |
98 | int ival; |
99 | }; |
100 | |
101 | /* |
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102 | * Platform routines |
103 | */ |
104 | void fatal(char *fmt, ...); |
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105 | void frontend_default_colour(frontend *fe, float *output); |
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106 | void draw_text(frontend *fe, int x, int y, int fonttype, int fontsize, |
107 | int align, int colour, char *text); |
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108 | void draw_rect(frontend *fe, int x, int y, int w, int h, int colour); |
109 | void draw_line(frontend *fe, int x1, int y1, int x2, int y2, int colour); |
110 | void draw_polygon(frontend *fe, int *coords, int npoints, |
111 | int fill, int colour); |
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112 | void clip(frontend *fe, int x, int y, int w, int h); |
113 | void unclip(frontend *fe); |
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114 | void start_draw(frontend *fe); |
115 | void draw_update(frontend *fe, int x, int y, int w, int h); |
116 | void end_draw(frontend *fe); |
117 | void deactivate_timer(frontend *fe); |
118 | void activate_timer(frontend *fe); |
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119 | void status_bar(frontend *fe, char *text); |
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120 | void get_random_seed(void **randseed, int *randseedsize); |
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121 | |
122 | /* |
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123 | * midend.c |
124 | */ |
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125 | midend_data *midend_new(frontend *fe, const game *ourgame); |
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126 | void midend_free(midend_data *me); |
127 | void midend_set_params(midend_data *me, game_params *params); |
128 | void midend_size(midend_data *me, int *x, int *y); |
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129 | void midend_new_game(midend_data *me); |
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130 | void midend_restart_game(midend_data *me); |
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131 | int midend_process_key(midend_data *me, int x, int y, int button); |
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132 | void midend_redraw(midend_data *me); |
133 | float *midend_colours(midend_data *me, int *ncolours); |
134 | void midend_timer(midend_data *me, float tplus); |
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135 | int midend_num_presets(midend_data *me); |
136 | void midend_fetch_preset(midend_data *me, int n, |
137 | char **name, game_params **params); |
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138 | int midend_wants_statusbar(midend_data *me); |
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139 | enum { CFG_SETTINGS, CFG_SEED }; |
140 | config_item *midend_get_config(midend_data *me, int which, char **wintitle); |
141 | char *midend_set_config(midend_data *me, int which, config_item *cfg); |
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142 | char *midend_game_id(midend_data *me, char *id, int def_seed); |
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143 | |
144 | /* |
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145 | * malloc.c |
146 | */ |
147 | void *smalloc(int size); |
148 | void *srealloc(void *p, int size); |
149 | void sfree(void *p); |
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150 | char *dupstr(const char *s); |
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151 | #define snew(type) \ |
152 | ( (type *) smalloc (sizeof (type)) ) |
153 | #define snewn(number, type) \ |
154 | ( (type *) smalloc ((number) * sizeof (type)) ) |
155 | #define sresize(array, number, type) \ |
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156 | ( (type *) srealloc ((array), (number) * sizeof (type)) ) |
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157 | |
158 | /* |
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159 | * misc.c |
160 | */ |
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161 | void free_cfg(config_item *cfg); |
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162 | |
163 | /* |
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164 | * random.c |
165 | */ |
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166 | random_state *random_init(char *seed, int len); |
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167 | unsigned long random_bits(random_state *state, int bits); |
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168 | unsigned long random_upto(random_state *state, unsigned long limit); |
169 | void random_free(random_state *state); |
170 | |
171 | /* |
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172 | * Data structure containing the function calls and data specific |
173 | * to a particular game. This is enclosed in a data structure so |
174 | * that a particular platform can choose, if it wishes, to compile |
175 | * all the games into a single combined executable rather than |
176 | * having lots of little ones. |
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177 | */ |
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178 | struct game { |
179 | const char *name; |
180 | const char *winhelp_topic; |
181 | int can_configure; |
182 | game_params *(*default_params)(void); |
183 | int (*fetch_preset)(int i, char **name, game_params **params); |
184 | game_params *(*decode_params)(char const *string); |
185 | char *(*encode_params)(game_params *); |
186 | void (*free_params)(game_params *params); |
187 | game_params *(*dup_params)(game_params *params); |
188 | config_item *(*configure)(game_params *params); |
189 | game_params *(*custom_params)(config_item *cfg); |
190 | char *(*validate_params)(game_params *params); |
191 | char *(*new_seed)(game_params *params, random_state *rs); |
192 | char *(*validate_seed)(game_params *params, char *seed); |
193 | game_state *(*new_game)(game_params *params, char *seed); |
194 | game_state *(*dup_game)(game_state *state); |
195 | void (*free_game)(game_state *state); |
196 | game_ui *(*new_ui)(game_state *state); |
197 | void (*free_ui)(game_ui *ui); |
198 | game_state *(*make_move)(game_state *from, game_ui *ui, int x, int y, |
199 | int button); |
200 | void (*size)(game_params *params, int *x, int *y); |
201 | float *(*colours)(frontend *fe, game_state *state, int *ncolours); |
202 | game_drawstate *(*new_drawstate)(game_state *state); |
203 | void (*free_drawstate)(game_drawstate *ds); |
204 | void (*redraw)(frontend *fe, game_drawstate *ds, game_state *oldstate, |
205 | game_state *newstate, int dir, game_ui *ui, float anim_time, |
206 | float flash_time); |
207 | float (*anim_length)(game_state *oldstate, game_state *newstate, int dir); |
208 | float (*flash_length)(game_state *oldstate, game_state *newstate, int dir); |
209 | int (*wants_statusbar)(void); |
210 | }; |
211 | |
212 | /* |
213 | * For one-game-at-a-time platforms, there's a single structure |
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214 | * like the above, under a fixed name. For all-at-once platforms, |
215 | * there's a list of all available puzzles in array form. |
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216 | */ |
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217 | #ifdef COMBINED |
218 | extern const game *gamelist[]; |
219 | extern const int gamecount; |
220 | #else |
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221 | extern const game thegame; |
222 | #endif |
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223 | |
224 | #endif /* PUZZLES_PUZZLES_H */ |