| 1 | /* |
| 2 | * nullgame.c [FIXME]: Template defining the null game (in which no |
| 3 | * moves are permitted and nothing is ever drawn). This file exists |
| 4 | * solely as a basis for constructing new game definitions - it |
| 5 | * helps to have something which will compile from the word go and |
| 6 | * merely doesn't _do_ very much yet. |
| 7 | * |
| 8 | * Parts labelled FIXME actually want _removing_ (e.g. the dummy |
| 9 | * field in each of the required data structures, and this entire |
| 10 | * comment itself) when converting this source file into one |
| 11 | * describing a real game. |
| 12 | */ |
| 13 | |
| 14 | #include <stdio.h> |
| 15 | #include <stdlib.h> |
| 16 | #include <string.h> |
| 17 | #include <assert.h> |
| 18 | #include <ctype.h> |
| 19 | #include <math.h> |
| 20 | |
| 21 | #include "puzzles.h" |
| 22 | |
| 23 | enum { |
| 24 | COL_BACKGROUND, |
| 25 | NCOLOURS |
| 26 | }; |
| 27 | |
| 28 | struct game_params { |
| 29 | int FIXME; |
| 30 | }; |
| 31 | |
| 32 | struct game_state { |
| 33 | int FIXME; |
| 34 | }; |
| 35 | |
| 36 | static game_params *default_params(void) |
| 37 | { |
| 38 | game_params *ret = snew(game_params); |
| 39 | |
| 40 | ret->FIXME = 0; |
| 41 | |
| 42 | return ret; |
| 43 | } |
| 44 | |
| 45 | static int game_fetch_preset(int i, char **name, game_params **params) |
| 46 | { |
| 47 | return FALSE; |
| 48 | } |
| 49 | |
| 50 | static void free_params(game_params *params) |
| 51 | { |
| 52 | sfree(params); |
| 53 | } |
| 54 | |
| 55 | static game_params *dup_params(game_params *params) |
| 56 | { |
| 57 | game_params *ret = snew(game_params); |
| 58 | *ret = *params; /* structure copy */ |
| 59 | return ret; |
| 60 | } |
| 61 | |
| 62 | static void decode_params(game_params *params, char const *string) |
| 63 | { |
| 64 | } |
| 65 | |
| 66 | static char *encode_params(game_params *params, int full) |
| 67 | { |
| 68 | return dupstr("FIXME"); |
| 69 | } |
| 70 | |
| 71 | static config_item *game_configure(game_params *params) |
| 72 | { |
| 73 | return NULL; |
| 74 | } |
| 75 | |
| 76 | static game_params *custom_params(config_item *cfg) |
| 77 | { |
| 78 | return NULL; |
| 79 | } |
| 80 | |
| 81 | static char *validate_params(game_params *params, int full) |
| 82 | { |
| 83 | return NULL; |
| 84 | } |
| 85 | |
| 86 | static char *new_game_desc(game_params *params, random_state *rs, |
| 87 | char **aux, int interactive) |
| 88 | { |
| 89 | return dupstr("FIXME"); |
| 90 | } |
| 91 | |
| 92 | static char *validate_desc(game_params *params, char *desc) |
| 93 | { |
| 94 | return NULL; |
| 95 | } |
| 96 | |
| 97 | static game_state *new_game(midend *me, game_params *params, char *desc) |
| 98 | { |
| 99 | game_state *state = snew(game_state); |
| 100 | |
| 101 | state->FIXME = 0; |
| 102 | |
| 103 | return state; |
| 104 | } |
| 105 | |
| 106 | static game_state *dup_game(game_state *state) |
| 107 | { |
| 108 | game_state *ret = snew(game_state); |
| 109 | |
| 110 | ret->FIXME = state->FIXME; |
| 111 | |
| 112 | return ret; |
| 113 | } |
| 114 | |
| 115 | static void free_game(game_state *state) |
| 116 | { |
| 117 | sfree(state); |
| 118 | } |
| 119 | |
| 120 | static char *solve_game(game_state *state, game_state *currstate, |
| 121 | char *aux, char **error) |
| 122 | { |
| 123 | return NULL; |
| 124 | } |
| 125 | |
| 126 | static char *game_text_format(game_state *state) |
| 127 | { |
| 128 | return NULL; |
| 129 | } |
| 130 | |
| 131 | static game_ui *new_ui(game_state *state) |
| 132 | { |
| 133 | return NULL; |
| 134 | } |
| 135 | |
| 136 | static void free_ui(game_ui *ui) |
| 137 | { |
| 138 | } |
| 139 | |
| 140 | static char *encode_ui(game_ui *ui) |
| 141 | { |
| 142 | return NULL; |
| 143 | } |
| 144 | |
| 145 | static void decode_ui(game_ui *ui, char *encoding) |
| 146 | { |
| 147 | } |
| 148 | |
| 149 | static void game_changed_state(game_ui *ui, game_state *oldstate, |
| 150 | game_state *newstate) |
| 151 | { |
| 152 | } |
| 153 | |
| 154 | struct game_drawstate { |
| 155 | int tilesize; |
| 156 | int FIXME; |
| 157 | }; |
| 158 | |
| 159 | static char *interpret_move(game_state *state, game_ui *ui, game_drawstate *ds, |
| 160 | int x, int y, int button) |
| 161 | { |
| 162 | return NULL; |
| 163 | } |
| 164 | |
| 165 | static game_state *execute_move(game_state *state, char *move) |
| 166 | { |
| 167 | return NULL; |
| 168 | } |
| 169 | |
| 170 | /* ---------------------------------------------------------------------- |
| 171 | * Drawing routines. |
| 172 | */ |
| 173 | |
| 174 | static void game_compute_size(game_params *params, int tilesize, |
| 175 | int *x, int *y) |
| 176 | { |
| 177 | *x = *y = 10 * tilesize; /* FIXME */ |
| 178 | } |
| 179 | |
| 180 | static void game_set_size(drawing *dr, game_drawstate *ds, |
| 181 | game_params *params, int tilesize) |
| 182 | { |
| 183 | ds->tilesize = tilesize; |
| 184 | } |
| 185 | |
| 186 | static float *game_colours(frontend *fe, int *ncolours) |
| 187 | { |
| 188 | float *ret = snewn(3 * NCOLOURS, float); |
| 189 | |
| 190 | frontend_default_colour(fe, &ret[COL_BACKGROUND * 3]); |
| 191 | |
| 192 | *ncolours = NCOLOURS; |
| 193 | return ret; |
| 194 | } |
| 195 | |
| 196 | static game_drawstate *game_new_drawstate(drawing *dr, game_state *state) |
| 197 | { |
| 198 | struct game_drawstate *ds = snew(struct game_drawstate); |
| 199 | |
| 200 | ds->tilesize = 0; |
| 201 | ds->FIXME = 0; |
| 202 | |
| 203 | return ds; |
| 204 | } |
| 205 | |
| 206 | static void game_free_drawstate(drawing *dr, game_drawstate *ds) |
| 207 | { |
| 208 | sfree(ds); |
| 209 | } |
| 210 | |
| 211 | static void game_redraw(drawing *dr, game_drawstate *ds, game_state *oldstate, |
| 212 | game_state *state, int dir, game_ui *ui, |
| 213 | float animtime, float flashtime) |
| 214 | { |
| 215 | /* |
| 216 | * The initial contents of the window are not guaranteed and |
| 217 | * can vary with front ends. To be on the safe side, all games |
| 218 | * should start by drawing a big background-colour rectangle |
| 219 | * covering the whole window. |
| 220 | */ |
| 221 | draw_rect(dr, 0, 0, 10*ds->tilesize, 10*ds->tilesize, COL_BACKGROUND); |
| 222 | } |
| 223 | |
| 224 | static float game_anim_length(game_state *oldstate, game_state *newstate, |
| 225 | int dir, game_ui *ui) |
| 226 | { |
| 227 | return 0.0F; |
| 228 | } |
| 229 | |
| 230 | static float game_flash_length(game_state *oldstate, game_state *newstate, |
| 231 | int dir, game_ui *ui) |
| 232 | { |
| 233 | return 0.0F; |
| 234 | } |
| 235 | |
| 236 | static int game_timing_state(game_state *state, game_ui *ui) |
| 237 | { |
| 238 | return TRUE; |
| 239 | } |
| 240 | |
| 241 | static void game_print_size(game_params *params, float *x, float *y) |
| 242 | { |
| 243 | } |
| 244 | |
| 245 | static void game_print(drawing *dr, game_state *state, int tilesize) |
| 246 | { |
| 247 | } |
| 248 | |
| 249 | #ifdef COMBINED |
| 250 | #define thegame nullgame |
| 251 | #endif |
| 252 | |
| 253 | const struct game thegame = { |
| 254 | "Null Game", NULL, |
| 255 | default_params, |
| 256 | game_fetch_preset, |
| 257 | decode_params, |
| 258 | encode_params, |
| 259 | free_params, |
| 260 | dup_params, |
| 261 | FALSE, game_configure, custom_params, |
| 262 | validate_params, |
| 263 | new_game_desc, |
| 264 | validate_desc, |
| 265 | new_game, |
| 266 | dup_game, |
| 267 | free_game, |
| 268 | FALSE, solve_game, |
| 269 | FALSE, game_text_format, |
| 270 | new_ui, |
| 271 | free_ui, |
| 272 | encode_ui, |
| 273 | decode_ui, |
| 274 | game_changed_state, |
| 275 | interpret_move, |
| 276 | execute_move, |
| 277 | 20 /* FIXME */, game_compute_size, game_set_size, |
| 278 | game_colours, |
| 279 | game_new_drawstate, |
| 280 | game_free_drawstate, |
| 281 | game_redraw, |
| 282 | game_anim_length, |
| 283 | game_flash_length, |
| 284 | FALSE, FALSE, game_print_size, game_print, |
| 285 | FALSE, /* wants_statusbar */ |
| 286 | FALSE, game_timing_state, |
| 287 | 0, /* flags */ |
| 288 | }; |