1 REGISTER_MINIGAME(snake, "Snake");
3 const float SNAKE_TURN_MOVE = 0x0100; // the snake is moving, player must control it
4 const float SNAKE_TURN_LOSS = 0x0200; // they did it?!
5 const float SNAKE_TURN_WAIT = 0x0400; // the snake is waiting for the player to make their first move and begin the game
6 const float SNAKE_TURN_TYPE = 0x0f00; // turn type mask
8 const int SNAKE_SF_PLAYERSCORE = MINIG_SF_CUSTOM;
10 const int SNAKE_LET_CNT = 15;
11 const int SNAKE_NUM_CNT = 15;
13 const int SNAKE_TILE_SIZE = 15;
15 bool autocvar_sv_minigames_snake_wrap = false;
16 float autocvar_sv_minigames_snake_delay_initial = 0.7;
17 float autocvar_sv_minigames_snake_delay_multiplier = 50;
18 float autocvar_sv_minigames_snake_delay_min = 0.1;
24 .float snake_nextmove;
27 // find same game piece given its tile name
28 entity snake_find_piece(entity minig, string tile)
31 while ( ( e = findentity(e,owner,minig) ) )
32 if ( e.classname == "minigame_board_piece" && e.netname == tile )
37 // find same game piece given its cnt
38 entity snake_find_cnt(entity minig, int tile)
41 while ( ( e = findentity(e,owner,minig) ) )
42 if ( e.classname == "minigame_board_piece" && e.cnt == tile )
47 // check if the tile name is valid (15x15 grid)
48 bool snake_valid_tile(string tile)
52 int number = minigame_tile_number(tile);
53 int letter = minigame_tile_letter(tile);
54 return 0 <= number && number < SNAKE_NUM_CNT && 0 <= letter && letter < SNAKE_LET_CNT;
57 void snake_new_mouse(entity minigame)
59 RandomSelection_Init();
61 for(i = 0; i < SNAKE_LET_CNT; ++i)
62 for(j = 0; j < SNAKE_NUM_CNT; ++j)
64 string pos = minigame_tile_buildname(i, j);
65 if(!snake_find_piece(minigame, pos))
66 RandomSelection_Add(world, 0, pos, 1, 1);
69 entity piece = msle_spawn(minigame,"minigame_board_piece");
71 piece.netname = strzone(RandomSelection_chosen_string);
72 minigame_server_sendflags(piece,MINIG_SF_ALL);
74 minigame_server_sendflags(minigame,MINIG_SF_UPDATE);
77 void snake_setup_pieces(entity minigame)
79 int targnum = bound(1, floor(random() * SNAKE_NUM_CNT), SNAKE_NUM_CNT - 1);
80 int targlet = bound(1, floor(random() * SNAKE_LET_CNT), SNAKE_LET_CNT - 1);
82 entity piece = msle_spawn(minigame,"minigame_board_piece");
83 piece.team = 1; // init default team?
84 piece.netname = strzone(minigame_tile_buildname(targlet,targnum));
86 minigame_server_sendflags(piece,MINIG_SF_ALL);
88 minigame.snake_head = piece;
90 snake_new_mouse(minigame);
92 minigame_server_sendflags(minigame,MINIG_SF_UPDATE);
95 void snake_add_score(entity minigame, int thescore)
100 if(minigame.minigame_players)
102 minigame.minigame_players.snake_score += thescore;
103 minigame.minigame_players.SendFlags |= SNAKE_SF_PLAYERSCORE;
108 void snake_move_body(entity minigame, bool ate_mouse)
111 string tailpos = string_null;
112 vector taildir = '0 0 0';
115 for(i = (SNAKE_NUM_CNT * SNAKE_LET_CNT); i >= 2; --i)
117 entity piece = snake_find_cnt(minigame, i);
118 entity nextpiece = snake_find_cnt(minigame, i - 1);
127 tailpos = piece.netname;
128 taildir = piece.snake_dir;
131 if(piece.netname) { strunzone(piece.netname); }
132 piece.netname = strzone(nextpiece.netname);
133 piece.snake_dir = nextpiece.snake_dir;
134 minigame_server_sendflags(piece, MINIG_SF_ALL);
140 tail = minigame.snake_head;
141 tailpos = minigame.snake_head.netname;
142 taildir = minigame.snake_head.snake_dir;
145 if(tail && ate_mouse)
147 int newcnt = tail.cnt + 1;
148 minigame.snake_delay = max(autocvar_sv_minigames_snake_delay_min, autocvar_sv_minigames_snake_delay_initial - (newcnt / autocvar_sv_minigames_snake_delay_multiplier));
149 snake_add_score(minigame, 1);
151 entity piece = msle_spawn(minigame,"minigame_board_piece");
154 piece.snake_dir = taildir;
155 piece.netname = strzone(tailpos);
156 minigame_server_sendflags(piece,MINIG_SF_ALL);
158 minigame_server_sendflags(minigame,MINIG_SF_UPDATE);
162 void snake_move_head(entity minigame)
164 entity head = minigame.snake_head;
167 if(autocvar_sv_minigames_snake_wrap)
168 newpos = minigame_relative_tile(head.netname, minigame.snake_dir_x, minigame.snake_dir_y, SNAKE_NUM_CNT, SNAKE_LET_CNT);
171 int myx = minigame_tile_letter(head.netname);
172 int myy = minigame_tile_number(head.netname);
174 myx += minigame.snake_dir_x;
175 myy += minigame.snake_dir_y;
177 newpos = minigame_tile_buildname(myx, myy);
180 if(!snake_valid_tile(newpos) || (snake_find_piece(minigame, newpos)).cnt)
182 minigame.minigame_flags = SNAKE_TURN_LOSS;
183 minigame_server_sendflags(minigame,MINIG_SF_UPDATE);
187 bool ate_mouse = false;
188 entity piece = snake_find_piece(minigame, newpos);
189 if(piece && !piece.cnt)
192 // move the body first, then set the new head position?
193 snake_move_body(minigame, ate_mouse);
197 if(piece.netname) { strunzone(piece.netname); }
200 snake_new_mouse(minigame);
203 if(head.netname) { strunzone(head.netname); }
204 head.netname = strzone(newpos);
205 minigame_server_sendflags(head,MINIG_SF_ALL);
209 void snake_move(entity minigame, entity player, string dxs, string dys )
211 if ( (minigame.minigame_flags & SNAKE_TURN_MOVE) || (minigame.minigame_flags & SNAKE_TURN_WAIT) )
214 //if ( snake_valid_tile(pos) )
215 //if ( snake_find_piece(minigame, pos) )
217 int dx = ((dxs) ? bound(-1, stof(dxs), 1) : 0);
218 int dy = ((dys) ? bound(-1, stof(dys), 1) : 0);
220 int myl = minigame_tile_letter(minigame.snake_head.netname);
221 int myn = minigame_tile_number(minigame.snake_head.netname);
223 entity head = snake_find_piece(minigame, minigame_tile_buildname(myl + dx, myn + dy));
224 if(head && head.cnt == 2)
227 if(minigame.minigame_flags & SNAKE_TURN_WAIT)
228 minigame.snake_nextmove = time;
229 minigame.minigame_flags = SNAKE_TURN_MOVE;
230 minigame.snake_dir_x = dx;
231 minigame.snake_dir_y = dy;
232 minigame.snake_dir_z = 0;
233 minigame.snake_head.snake_dir = minigame.snake_dir;
234 minigame_server_sendflags(minigame.snake_head,MINIG_SF_UPDATE);
235 minigame_server_sendflags(minigame,MINIG_SF_UPDATE);
243 // required function, handle server side events
244 int snake_server_event(entity minigame, string event, ...)
250 snake_setup_pieces(minigame);
251 minigame.snake_delay = autocvar_sv_minigames_snake_delay_initial;
252 minigame.minigame_flags = SNAKE_TURN_WAIT;
258 while( (e = findentity(e, owner, minigame)) )
259 if(e.classname == "minigame_board_piece")
261 if(e.netname) { strunzone(e.netname); }
264 minigame.snake_head = world;
269 int pl_num = minigame_count_players(minigame);
271 // Don't allow more than 1 player
272 // not sure if this should be a multiplayer game (might get crazy)
273 if(pl_num >= 1) { return false; }
280 if(minigame.minigame_flags & SNAKE_TURN_MOVE)
281 if(time >= minigame.snake_nextmove)
283 snake_move_head(minigame);
284 minigame.snake_nextmove = time + minigame.snake_delay;
293 snake_move(minigame, ...(0,entity), ((...(1,int)) >= 2 ? argv(1) : string_null), ((...(1,int)) == 3 ? argv(2) : string_null));
301 entity sent = ...(0,entity);
303 if ( sent.classname == "minigame_board_piece" && (sf & MINIG_SF_UPDATE) )
305 WriteByte(MSG_ENTITY,sent.cnt);
306 WriteCoord(MSG_ENTITY,sent.snake_dir_x);
307 WriteCoord(MSG_ENTITY,sent.snake_dir_y);
309 else if ( sent.classname == "minigame_player" && (sf & SNAKE_SF_PLAYERSCORE ) )
311 WriteLong(MSG_ENTITY,sent.snake_score);
313 else if ( sent.classname == "minigame" && (sf & MINIG_SF_UPDATE ) )
315 WriteByte(MSG_ENTITY,autocvar_sv_minigames_snake_wrap);
327 vector snake_boardpos; // HUD board position
328 vector snake_boardsize;// HUD board size
332 // Required function, draw the game board
333 void snake_hud_board(vector pos, vector mySize)
335 minigame_hud_fitsqare(pos, mySize);
336 snake_boardpos = pos;
337 snake_boardsize = mySize;
339 minigame_hud_simpleboard(pos,mySize,minigame_texture("snake/board"));
341 vector tile_size = minigame_hud_denormalize_size('1 1 0' / SNAKE_TILE_SIZE,pos,mySize);
346 for(i = (SNAKE_NUM_CNT * SNAKE_LET_CNT); i >= 2; --i)
348 entity piece = snake_find_cnt(active_minigame, i);
357 FOREACH_MINIGAME_ENTITY(e)
359 if ( e.classname == "minigame_board_piece" )
361 tile_pos = minigame_tile_pos(e.netname,SNAKE_NUM_CNT,SNAKE_LET_CNT);
362 tile_pos = minigame_hud_denormalize(tile_pos,pos,mySize);
363 string thepiece = "snake/mouse";
365 thepiece = "snake/body";
366 if(tail && e.cnt == tail.cnt)
367 thepiece = "snake/tail";
370 int dx = minigame_tile_letter(e.netname) + e.snake_dir_x * 2;
371 int dy = minigame_tile_number(e.netname) + e.snake_dir_y * 2;
372 entity mouse = snake_find_piece(active_minigame, minigame_tile_buildname(dx, dy));
373 thepiece = "snake/head";
374 if(mouse && !mouse.cnt)
377 int myx = minigame_tile_letter(e.netname);
378 int myy = minigame_tile_number(e.netname);
386 int newx = minigame_tile_letter(e.netname) + e.snake_dir_x;
387 int newy = minigame_tile_number(e.netname) + e.snake_dir_y;
388 string newpos = minigame_tile_buildname(newx, newy);
390 vector my_pos = minigame_tile_pos(newpos,SNAKE_NUM_CNT,SNAKE_LET_CNT);
391 my_pos = minigame_hud_denormalize(my_pos,pos,mySize);
393 drawrotpic(my_pos, myang, minigame_texture("snake/tongue"),
394 tile_size, tile_size/2, '1 1 1',
395 panel_fg_alpha, DRAWFLAG_NORMAL );
399 if(e.cnt == 1 || e.cnt == tail.cnt)
401 vector thedir = e.snake_dir;
403 if(e.cnt == tail.cnt)
405 int thex = minigame_tile_letter(e.netname);
406 int they = minigame_tile_number(e.netname);
407 entity t = snake_find_cnt(active_minigame, e.cnt - 1);
408 int tx = minigame_tile_letter(t.netname);
409 int ty = minigame_tile_number(t.netname);
435 drawrotpic(tile_pos, theang, minigame_texture(thepiece),
436 tile_size, tile_size/2, '1 1 1',
437 panel_fg_alpha, DRAWFLAG_NORMAL );
441 minigame_drawpic_centered( tile_pos,
442 minigame_texture(thepiece),
443 tile_size, '1 1 1', panel_fg_alpha, DRAWFLAG_NORMAL );
448 if ( active_minigame.minigame_flags & SNAKE_TURN_LOSS )
451 FOREACH_MINIGAME_ENTITY(e)
452 if(e.classname == "minigame_player")
453 scores = e.snake_score;
455 vector winfs = hud_fontsize*2;
457 scores_text = strcat("Score: ", ftos(scores));
459 vector win_pos = pos+eY*(mySize_y-winfs_y)/2;
461 win_sz = minigame_drawcolorcodedstring_wrapped(mySize_x,win_pos,
462 sprintf("Game over! %s", scores_text),
463 winfs, 0, DRAWFLAG_NORMAL, 0.5);
465 drawfill(win_pos-eY*hud_fontsize_y,win_sz+2*eY*hud_fontsize_y,'0.3 0.3 1',0.8,DRAWFLAG_ADDITIVE);
467 minigame_drawcolorcodedstring_wrapped(mySize_x,win_pos,
468 sprintf("Game over! %s", scores_text),
469 winfs, panel_fg_alpha, DRAWFLAG_NORMAL, 0.5);
474 // Required function, draw the game status panel
475 void snake_hud_status(vector pos, vector mySize)
479 ts = minigame_drawstring_wrapped(mySize_x,pos,active_minigame.descriptor.message,
480 hud_fontsize * 2, '0.25 0.47 0.72', panel_fg_alpha, DRAWFLAG_NORMAL,0.5);
485 vector player_fontsize = hud_fontsize * 1.75;
486 ts_y = ( mySize_y - 2*player_fontsize_y ) / 2;
489 vector tile_size = '48 48 0';
492 drawfill(mypos,eX*mySize_x+eY*player_fontsize_y,'1 1 1',0.5,DRAWFLAG_ADDITIVE);
493 mypos_y += player_fontsize_y;
494 drawfill(mypos,eX*mySize_x+eY*tile_size_y,'1 1 1',0.25,DRAWFLAG_ADDITIVE);
497 FOREACH_MINIGAME_ENTITY(e)
499 if ( e.classname == "minigame_player" )
502 minigame_drawcolorcodedstring_trunc(mySize_x,mypos,
503 GetPlayerName(e.minigame_playerslot-1),
504 player_fontsize, panel_fg_alpha, DRAWFLAG_NORMAL);
506 mypos_y += player_fontsize_y;
508 // minigame_texture("snake/piece"),
509 // tile_size, '1 0 0', panel_fg_alpha, DRAWFLAG_NORMAL );
511 //mypos_x += tile_size_x;
513 drawstring(mypos,ftos(e.snake_score),tile_size,
514 '0.7 0.84 1', panel_fg_alpha, DRAWFLAG_NORMAL);
519 // Turn a set of flags into a help message
520 string snake_turn_to_string(int turnflags)
522 if ( turnflags & SNAKE_TURN_LOSS )
523 return _("Game over!");
525 if ( turnflags & SNAKE_TURN_WAIT )
526 return _("Press an arrow key to begin the game");
528 if ( turnflags & SNAKE_TURN_MOVE )
530 return _("Avoid the snake's body, collect the mice!");
532 return _("Avoid the screen edges and the snake's body, collect the mice!");
537 // Make the correct move
538 void snake_set_direction(entity minigame, int dx, int dy)
540 //if ( minigame.minigame_flags == SNAKE_TURN_MOVE )
542 minigame_cmd("move ",ftos(dx), " ", ftos(dy));
546 // Required function, handle client events
547 int snake_client_event(entity minigame, string event, ...)
553 minigame.message = snake_turn_to_string(minigame.minigame_flags);
558 //if((minigame.minigame_flags & SNAKE_TURN_TEAM) == minigame_self.team)
560 switch ( ...(0,int) )
563 case K_KP_RIGHTARROW:
564 snake_set_direction(minigame, 1, 0);
568 snake_set_direction(minigame, -1, 0);
572 snake_set_direction(minigame, 0, 1);
576 snake_set_direction(minigame, 0, -1);
583 case "network_receive":
585 entity sent = ...(0,entity);
587 if ( sent.classname == "minigame" )
589 if ( sf & MINIG_SF_UPDATE )
591 snake_wrap = ReadByte();
592 sent.message = snake_turn_to_string(sent.minigame_flags);
593 //if ( sent.minigame_flags & minigame_self.team )
597 else if(sent.classname == "minigame_board_piece")
599 if(sf & MINIG_SF_UPDATE)
601 sent.cnt = ReadByte();
602 sent.snake_dir_x = ReadCoord();
603 sent.snake_dir_y = ReadCoord();
604 sent.snake_dir_z = 0;
606 minigame.snake_head = sent; // hax
609 else if ( sent.classname == "minigame_player" && (sf & SNAKE_SF_PLAYERSCORE ) )
611 sent.snake_score = ReadLong();