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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 | |
17 | enum { |
18 | LEFT_BUTTON = 0x1000, |
19 | MIDDLE_BUTTON, |
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20 | RIGHT_BUTTON, |
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21 | LEFT_DRAG, |
22 | MIDDLE_DRAG, |
23 | RIGHT_DRAG, |
24 | LEFT_RELEASE, |
25 | MIDDLE_RELEASE, |
26 | RIGHT_RELEASE, |
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27 | CURSOR_UP, |
28 | CURSOR_DOWN, |
29 | CURSOR_LEFT, |
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30 | CURSOR_RIGHT, |
31 | CURSOR_UP_LEFT, |
32 | CURSOR_DOWN_LEFT, |
33 | CURSOR_UP_RIGHT, |
34 | CURSOR_DOWN_RIGHT |
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35 | }; |
36 | |
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37 | #define IGNOREARG(x) ( (x) = (x) ) |
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38 | |
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39 | typedef struct frontend frontend; |
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40 | typedef struct config_item config_item; |
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41 | typedef struct midend_data midend_data; |
42 | typedef struct random_state random_state; |
43 | typedef struct game_params game_params; |
44 | typedef struct game_state game_state; |
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45 | typedef struct game_ui game_ui; |
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46 | typedef struct game_drawstate game_drawstate; |
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47 | |
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48 | #define ALIGN_VNORMAL 0x000 |
49 | #define ALIGN_VCENTRE 0x100 |
50 | |
51 | #define ALIGN_HLEFT 0x000 |
52 | #define ALIGN_HCENTRE 0x001 |
53 | #define ALIGN_HRIGHT 0x002 |
54 | |
55 | #define FONT_FIXED 0 |
56 | #define FONT_VARIABLE 1 |
57 | |
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58 | /* |
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59 | * Structure used to pass configuration data between frontend and |
60 | * game |
61 | */ |
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62 | enum { C_STRING, C_CHOICES, C_BOOLEAN, C_END }; |
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63 | struct config_item { |
64 | /* |
65 | * `name' is never dynamically allocated. |
66 | */ |
67 | char *name; |
68 | /* |
69 | * `type' contains one of the above values. |
70 | */ |
71 | int type; |
72 | /* |
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73 | * For C_STRING, `sval' is always dynamically allocated and |
74 | * non-NULL. For C_BOOLEAN and C_END, `sval' is always NULL. |
75 | * For C_CHOICES, `sval' is non-NULL, _not_ dynamically |
76 | * allocated, and contains a set of option strings separated by |
77 | * a delimiter. The delimeter is also the first character in |
78 | * the string, so for example ":Foo:Bar:Baz" gives three |
79 | * options `Foo', `Bar' and `Baz'. |
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80 | */ |
81 | char *sval; |
82 | /* |
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83 | * For C_BOOLEAN, this is TRUE or FALSE. For C_CHOICES, it |
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84 | * indicates the chosen index from the `sval' list. In the |
85 | * above example, 0==Foo, 1==Bar and 2==Baz. |
86 | */ |
87 | int ival; |
88 | }; |
89 | |
90 | /* |
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91 | * Platform routines |
92 | */ |
93 | void fatal(char *fmt, ...); |
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94 | void frontend_default_colour(frontend *fe, float *output); |
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95 | void draw_text(frontend *fe, int x, int y, int fonttype, int fontsize, |
96 | int align, int colour, char *text); |
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97 | void draw_rect(frontend *fe, int x, int y, int w, int h, int colour); |
98 | void draw_line(frontend *fe, int x1, int y1, int x2, int y2, int colour); |
99 | void draw_polygon(frontend *fe, int *coords, int npoints, |
100 | int fill, int colour); |
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101 | void clip(frontend *fe, int x, int y, int w, int h); |
102 | void unclip(frontend *fe); |
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103 | void start_draw(frontend *fe); |
104 | void draw_update(frontend *fe, int x, int y, int w, int h); |
105 | void end_draw(frontend *fe); |
106 | void deactivate_timer(frontend *fe); |
107 | void activate_timer(frontend *fe); |
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108 | void status_bar(frontend *fe, char *text); |
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109 | |
110 | /* |
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111 | * midend.c |
112 | */ |
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113 | midend_data *midend_new(frontend *fe, void *randseed, int randseedsize); |
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114 | void midend_free(midend_data *me); |
115 | void midend_set_params(midend_data *me, game_params *params); |
116 | void midend_size(midend_data *me, int *x, int *y); |
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117 | void midend_new_game(midend_data *me); |
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118 | void midend_restart_game(midend_data *me); |
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119 | int midend_process_key(midend_data *me, int x, int y, int button); |
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120 | void midend_redraw(midend_data *me); |
121 | float *midend_colours(midend_data *me, int *ncolours); |
122 | void midend_timer(midend_data *me, float tplus); |
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123 | int midend_num_presets(midend_data *me); |
124 | void midend_fetch_preset(midend_data *me, int n, |
125 | char **name, game_params **params); |
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126 | int midend_wants_statusbar(midend_data *me); |
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127 | enum { CFG_SETTINGS, CFG_SEED }; |
128 | config_item *midend_get_config(midend_data *me, int which, char **wintitle); |
129 | char *midend_set_config(midend_data *me, int which, config_item *cfg); |
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130 | |
131 | /* |
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132 | * malloc.c |
133 | */ |
134 | void *smalloc(int size); |
135 | void *srealloc(void *p, int size); |
136 | void sfree(void *p); |
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137 | char *dupstr(const char *s); |
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138 | #define snew(type) \ |
139 | ( (type *) smalloc (sizeof (type)) ) |
140 | #define snewn(number, type) \ |
141 | ( (type *) smalloc ((number) * sizeof (type)) ) |
142 | #define sresize(array, number, type) \ |
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143 | ( (type *) srealloc ((array), (number) * sizeof (type)) ) |
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144 | |
145 | /* |
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146 | * misc.c |
147 | */ |
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148 | void free_cfg(config_item *cfg); |
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149 | |
150 | /* |
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151 | * random.c |
152 | */ |
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153 | random_state *random_init(char *seed, int len); |
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154 | unsigned long random_bits(random_state *state, int bits); |
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155 | unsigned long random_upto(random_state *state, unsigned long limit); |
156 | void random_free(random_state *state); |
157 | |
158 | /* |
159 | * Game-specific routines |
160 | */ |
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161 | extern const char *const game_name; |
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162 | const int game_can_configure; |
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163 | game_params *default_params(void); |
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164 | int game_fetch_preset(int i, char **name, game_params **params); |
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165 | void free_params(game_params *params); |
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166 | game_params *dup_params(game_params *params); |
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167 | config_item *game_configure(game_params *params); |
168 | game_params *custom_params(config_item *cfg); |
169 | char *validate_params(game_params *params); |
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170 | char *new_game_seed(game_params *params, random_state *rs); |
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171 | char *validate_seed(game_params *params, char *seed); |
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172 | game_state *new_game(game_params *params, char *seed); |
173 | game_state *dup_game(game_state *state); |
174 | void free_game(game_state *state); |
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175 | game_ui *new_ui(game_state *state); |
176 | void free_ui(game_ui *ui); |
177 | game_state *make_move(game_state *from, game_ui *ui, int x, int y, int button); |
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178 | void game_size(game_params *params, int *x, int *y); |
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179 | float *game_colours(frontend *fe, game_state *state, int *ncolours); |
180 | game_drawstate *game_new_drawstate(game_state *state); |
181 | void game_free_drawstate(game_drawstate *ds); |
182 | void game_redraw(frontend *fe, game_drawstate *ds, game_state *oldstate, |
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183 | game_state *newstate, game_ui *ui, float anim_time, |
184 | float flash_time); |
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185 | float game_anim_length(game_state *oldstate, game_state *newstate); |
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186 | float game_flash_length(game_state *oldstate, game_state *newstate); |
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187 | int game_wants_statusbar(void); |
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188 | |
189 | #endif /* PUZZLES_PUZZLES_H */ |