116 lines
2.2 KiB
C
116 lines
2.2 KiB
C
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#include <gint/display.h>
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#include <gint/keyboard.h>
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#include <gint/timer.h>
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#include <gint/clock.h>
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#include "game.h"
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#include "engine.h"
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/* All maps */
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extern struct map map_lv1;
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struct map *maps[] = {
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&map_lv1,
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};
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/* Phases of a turn in the game */
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enum turn_phase
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{
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PHASE_IDLE = 0,
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PHASE_MOVE = 1,
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PHASE_UPDATE = 2,
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};
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/* Returns a direction to move in */
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static int get_inputs(void)
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{
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int opt = GETKEY_DEFAULT & ~GETKEY_REP_ARROWS;
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int timeout = 1;
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while(1)
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{
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key_event_t ev = getkey_opt(opt, &timeout);
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if(ev.type == KEYEV_NONE) return -1;
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int key = ev.key;
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if(key == KEY_DOWN) return DIR_DOWN;
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if(key == KEY_RIGHT) return DIR_RIGHT;
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if(key == KEY_UP) return DIR_UP;
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if(key == KEY_LEFT) return DIR_LEFT;
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}
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}
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/* Notify play_level() that the next frame is due soon */
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static int callback_tick(volatile int *tick)
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{
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*tick = 1;
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return TIMER_CONTINUE;
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}
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bool play_level(int level)
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{
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if(level < 1 || level > 8) return false;
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/* Load the map */
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struct game game;
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engine_load(&game, maps[level-1]);
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/* Create and spawn a solo player */
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struct player singleplayer;
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game.players[0] = &singleplayer;
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engine_spawn(&game);
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/* Start the frame timer */
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static volatile int tick = 1;
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int t = timer_setup(TIMER_ANY, ENGINE_TICK*1000, callback_tick, &tick);
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if(t < 0) return false;
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timer_start(t);
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enum turn_phase phase = PHASE_IDLE;
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bool succeeded = false;
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while(1)
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{
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while(!tick) sleep();
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tick = 0;
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engine_draw(&game);
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dupdate();
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int dir = get_inputs();
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/* If the player inputs a control during IDLE, move them */
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if(phase == PHASE_IDLE && dir >= 0)
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{
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if(engine_move(&game, &singleplayer, dir))
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phase = PHASE_MOVE;
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}
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/* When the move is finished, perform a map update */
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else if(phase == PHASE_MOVE && engine_all_players_idle(&game))
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{
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/* TODO: Winning condition */
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if(engine_wins(&game, &singleplayer))
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{
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succeeded = true;
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break;
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}
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phase = PHASE_UPDATE;
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engine_finish_turn(&game);
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}
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/* When update finishes, start another turn */
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else if(phase == PHASE_UPDATE &&
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engine_all_dynamic_tiles_idle(&game))
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{
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phase = PHASE_IDLE;
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}
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engine_tick(&game, ENGINE_TICK);
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}
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timer_stop(t);
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return succeeded;
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}
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