129 lines
3.6 KiB
C
129 lines
3.6 KiB
C
#include <curses.h>
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#include <stdlib.h>
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#include <string.h>
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#include "world.h"
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#include "game.h"
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// Start is called one in the beginning
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void* init_game(){
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// Allocate memory for the state
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struct game* st = calloc(1,(sizeof(struct game)));
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// Initialize cat
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st->catx = 0;
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st->caty = 0;
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st->catx_position = 15;
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st->caty_position = 15;
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st->caught_count = 0;
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// Initialize 5 mice at random positions
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for(int i = 0; i < MOUSE_COUNT; i++){
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st->mousex[i] = 5 + rand() % 30;
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st->mousey[i] = 5 + rand() % 15;
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st->mouse_state[i] = 0; // alive
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}
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// Store pointer to the state to the world variable
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return st;
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}
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// Step is called in a loop once in interval.
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// It should modify the state and draw it.
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int game_event(struct event* event,void* game){
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// Get state pointer
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struct game* state = game;
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if ( event->type == EVENT_ESC){
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// Non zero means finish the loop and stop the game.
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return 1;
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}
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// Check if all mice are caught
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if(state->caught_count == MOUSE_COUNT){
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clear_screen();
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set_message("VSETKY MYSKY ZJEDENE! VITAZ!",10,12);
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return 0;
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}
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// Check each mouse if it's caught by cat
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for(int i = 0; i < MOUSE_COUNT; i++){
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if(state->mouse_state[i] == 0){ // mouse is alive
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if(state->mousex[i] == state->catx_position && state->mousey[i] == state->caty_position){
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state->mouse_state[i] = 1; // caught
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state->caught_count++;
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}
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}
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}
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if(event->type == EVENT_TIMEOUT) {
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// Move cat
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int cx = state->catx_position + state->catx;
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int cy = state->caty_position + state->caty;
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// Check boundaries
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if (cx > 0 && cx < event->width && cy > 0 && cy < event->height){
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state->catx_position = cx;
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state->caty_position = cy;
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}
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// Move each alive mouse randomly
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for(int i = 0; i < MOUSE_COUNT; i++){
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if(state->mouse_state[i] == 0){ // mouse is alive
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int m = rand() % 4;
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int mx = state->mousex[i];
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int my = state->mousey[i];
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if (m == 0) my -= 1;
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else if (m == 1) my += 1;
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else if (m == 2) mx -= 1;
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else if (m == 3) mx += 1;
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// Check boundaries
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if (mx > 0 && mx < event->width && my > 0 && my < event->height){
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state->mousex[i] = mx;
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state->mousey[i] = my;
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}
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}
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}
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}
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else if (event->type == EVENT_KEY){
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// Move cat according to keyboard
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if ( event->key == KEY_UP){
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state->catx = 0;
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state->caty = -1;
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}
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else if ( event->key == KEY_DOWN){
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state->catx = 0;
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state->caty = 1;
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}
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else if ( event->key == KEY_LEFT){
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state->catx = -1;
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state->caty = 0;
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}
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else if ( event->key == KEY_RIGHT){
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state->catx = +1;
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state->caty = 0;
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}
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}
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// Draw world state
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clear_screen();
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// Draw cat
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set_color_cell('c',state->catx_position,state->caty_position,COLOR_YELLOW,COLOR_RED);
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// Draw mice
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for(int i = 0; i < MOUSE_COUNT; i++){
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if(state->mouse_state[i] == 0){ // only draw alive mice
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set_cell('m',state->mousex[i],state->mousey[i]);
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}
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}
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// Draw caught count
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char msg[100];
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sprintf(msg,"Chytene: %d/%d", state->caught_count, MOUSE_COUNT);
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set_message(msg, 1, 0);
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return 0;
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}
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