121 lines
2.8 KiB
C
121 lines
2.8 KiB
C
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#ifndef UTIL_H
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#define UTIL_H
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#include <SDL2/SDL.h>
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#include <physfs.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <math.h>
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#include <stdnoreturn.h>
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/* */
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/* GENERAL UTILITIES */
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/* */
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void cry_impl(const char *file, const int line, const char *title, const char *text);
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#define CRY(title, text) cry_impl(__FILE__, __LINE__, title, text)
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#define CRY_SDL(title) cry_impl(__FILE__, __LINE__, title, SDL_GetError())
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#define CRY_PHYSFS(title) \
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cry_impl(__FILE__, __LINE__, title, PHYSFS_getErrorByCode(PHYSFS_getLastErrorCode()))
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void log_info(const char *restrict format, ...);
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void log_critical(const char *restrict format, ...);
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void log_warn(const char *restrict format, ...);
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/* for when there's absolutely no way to continue */
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noreturn void die_abruptly(void);
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/* "critical" allocation functions which will log and abort() on failure. */
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/* if it is reasonable to handle this gracefully, use the standard versions. */
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/* the stb implementations will be configured to use these */
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void *cmalloc(size_t size);
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void *crealloc(void *ptr, size_t size);
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void *ccalloc(size_t num, size_t size);
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/* DON'T FORGET ABOUT DOUBLE EVALUATION */
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/* YOU THINK YOU WON'T, AND THEN YOU DO */
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/* C23's typeof could fix it, so i will */
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/* leave them as macros to be replaced. */
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/* use the macro in tgmath.h for floats */
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#define MAX SDL_max
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#define MIN SDL_min
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/* sets buf_out to a pointer to a byte buffer which must be freed. */
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/* returns the size of this buffer. */
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int64_t file_to_bytes(char *path, unsigned char **buf_out);
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/* returns a pointer to a string which must be freed */
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char *file_to_str(char *path);
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/* returns true if str ends with suffix */
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bool strends(const char *str, const char *suffix);
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/* */
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/* GAME LOGIC UTILITIES */
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/* */
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/* 32-bit color data */
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typedef struct color {
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uint8_t r;
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uint8_t g;
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uint8_t b;
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uint8_t a;
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} t_color;
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/* a rectangle with the origin at the upper left (integer) */
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typedef struct rect {
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int x, y;
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int w, h;
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} t_rect;
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bool intersect_rect(const t_rect *a, const t_rect *b, t_rect *result);
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/* a rectangle with the origin at the upper left (floating point) */
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typedef struct frect {
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float x, y;
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float w, h;
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} t_frect;
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bool intersect_frect(const t_frect *a, const t_frect *b, t_frect *result);
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t_frect to_frect(t_rect rect);
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/* a point in some space (integer) */
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typedef struct vec2 {
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int x, y;
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} t_vec2;
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/* a point in some space (floating point) */
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typedef struct fvec2 {
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float x, y;
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} t_fvec2;
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/* decrements an lvalue (which should be an int), stopping at 0 */
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/* meant for tick-based timers in game logic */
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/*
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* example:
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* tick_timer(&player->jump_air_timer);
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*/
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void tick_timer(int *value);
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#endif
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