107 lines
2.1 KiB
C
107 lines
2.1 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <math.h>
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#include "../game/game.h"
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static int score = 0;
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static int needed_score = 5;
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static int level = 0;
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static char *level_symbol = NULL;
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static size_t level_symbol_len = 0;
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static double score_timer = 0.0;
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static double level_timer = 0.0;
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static struct list *on_level_up = NULL;
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static void level_up()
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{
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level += 1;
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needed_score = (level + 1) * 5;
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if (level_symbol)
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free(level_symbol);
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get_roman_numeral(level, &level_symbol, &level_symbol_len);
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level_timer = 2.0;
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for (struct list *ptr = on_level_up; ptr != NULL; ptr = ptr->next)
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((void (*)(int)) ptr->element)(level);
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}
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void add_score(int s)
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{
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score += s;
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if (score >= needed_score) {
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score -= needed_score;
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level_up();
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} else {
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score_timer = 2.0;
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}
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}
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int get_score()
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{
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return score;
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}
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int get_level()
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{
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return level;
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}
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void register_on_level_up(void (*callback)(int new_level))
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{
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on_level_up = add_element(on_level_up, callback);
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}
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static void render_score(struct winsize ws)
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{
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int bar_flash = clamp(score_timer * 255, 0, 255);
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set_color((struct color) {bar_flash, 255, bar_flash}, true);
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int level_flash = clamp(level_timer * 255, 0, 255);
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set_color((struct color) {level_flash, 128 + (level_flash / 2), level_flash}, false);
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size_t level_len = level_symbol_len > 0 ? 6 + level_symbol_len + 1 : 0;
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char level_display[level_len];
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if (level_len > 0)
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sprintf(level_display, "Level %s", level_symbol);
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int bar = (double) score / (double) needed_score * ws.ws_col;
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int level_start = (ws.ws_col - level_len) / 2;
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int level_end = level_start + level_len - 1;
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for (int i = 0; i < ws.ws_col; i++) {
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if (i == bar)
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printf("\e[49m");
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if (i >= level_start && i < level_end)
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printf("%c", level_display[i - level_start]);
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else
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printf(" ");
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}
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printf("\n");
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}
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static void score_globalstep(double dtime)
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{
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if (level_timer > 0.0)
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level_timer -= dtime;
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if (score_timer > 0.0)
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score_timer -= dtime * 3.0;
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}
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__attribute__ ((constructor)) static void init()
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{
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register_render_component(&render_score);
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register_globalstep((struct globalstep) {
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.run_if_dead = true,
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.callback = &score_globalstep,
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});
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}
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