50 lines
1.4 KiB
C
50 lines
1.4 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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#pragma once
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#include <stdint.h>
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#include <stdbool.h>
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#include "vec2.h"
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#include "level.h"
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#include "input.h"
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#define PLAYER_WIDTH 12
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#define PLAYER_HEIGHT 12
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#define GRAVITY 0.2
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#define JUMP_SPD -5.8
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#define JUMP_BUFFER 6
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#define COYOT 6
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#define FALL_RESISTANCE 0.04
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#define FASTFALL_RESISTANCE 0.01
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#define MAX_HORIZONTAL_SPEED 2.0
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#define GROUND_ACCELERATION 0.4
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#define AIR_ACCELERATION 1.0
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#define GROUND_FRICTION (GROUND_ACCELERATION / MAX_HORIZONTAL_SPEED)
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#define AIR_FRICTION (AIR_ACCELERATION / MAX_HORIZONTAL_SPEED)
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#define KNOCKBACK_Y (0 - JUMP_SPD + 2.0)
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#define KNOCKBACK_X MAX_HORIZONTAL_SPEED
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typedef struct Player{
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Vec2 pos;
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float spd_x;
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float spd_y;
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int8_t facing;
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bool stun;
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bool knocked;
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uint8_t keys_left;
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uint8_t jump_buffer;
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uint8_t coyot;
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} Player;
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Player player_init();
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void player_update(Player *player, Level *level, Input input, uint8_t *level_id);
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void player_draw(Player player);
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/* Helper functions. */
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bool player_collide(Level level, Vec2 pos, tile_t tile, uint8_t margin);
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bool player_move(Player *player, Level level, int8_t spd_x, int8_t spd_y);
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int8_t sign(int8_t value);
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int8_t round(float value);
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