79 lines
1.9 KiB
C
79 lines
1.9 KiB
C
/* SPDX-License-Identifier: MIT
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* Copyright (c) 2021 KikooDX
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* This file is part of
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* [Painfull Success CG](https://git.sr.ht/~kikoodx/painfull-success-cg),
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* which is MIT licensed. The MIT license requires this copyright notice to be
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* included in all copies and substantial portions of the software. */
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#include "conf.h"
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#include "input.h"
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#include "lazyint.h"
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#include "level.h"
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#include "player.h"
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#include <gint/clock.h>
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#include <gint/display.h>
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#include <gint/timer.h>
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#include <stdbool.h>
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int
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callback(volatile void *arg)
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{
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volatile bool *has_ticked = arg;
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*has_ticked = true;
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return 0;
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}
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int
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main(void)
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{
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/* Initialize player. */
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Player player;
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player_init(&player);
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/* Initialize level. */
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Level level = (Level){};
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u8 level_id = 0;
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level_load(&level, &player, level_id);
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/* Initialize input. */
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Input input = (Input){};
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input_init(&input);
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/* Initalize y offset. */
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i16 y_offset = DRAW_OFFSET_Y_DEFAULT;
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/* UPS control. */
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volatile bool has_ticked = true;
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int timer =
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timer_setup(TIMER_ANY, 1000000 / TARGET_UPS, callback, &has_ticked);
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timer_start(timer);
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/* Core loop. */
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while (!input_is_down(input, K_EXIT)) {
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/* Repeat step event so the UPS is constant. */
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for (u8 i = 0; i < TARGET_UPS / TARGET_FPS; i += 1) {
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/* UPS control. */
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while (!has_ticked)
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sleep();
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has_ticked = false;
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/* Update. */
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input_update(&input);
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player_update(&player, &level, input, &level_id);
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/* Y offset. */
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if (input_is_pressed(input, K_CAM_UP) &&
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y_offset < DRAW_OFFSET_Y_MAX)
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y_offset += DRAW_OFFSET_Y_STEP;
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if (input_is_pressed(input, K_CAM_DOWN) &&
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y_offset > DRAW_OFFSET_Y_MIN)
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y_offset -= DRAW_OFFSET_Y_STEP;
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}
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/* Draw. */
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dclear(C_BLACK);
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level_draw(level, y_offset);
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player_draw(player, y_offset);
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/* Black borders. */
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drect(0, 0, DRAW_OFFSET_X - 1, DHEIGHT, C_BLACK);
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drect(DRAW_OFFSET_X + LEVEL_WIDTH_PX, 0, DWIDTH, DHEIGHT,
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C_BLACK);
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dupdate();
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}
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return 1;
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}
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