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#ifndef HONEY_COMMON_H
#define HONEY_COMMON_H
// standard c libraries
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <string.h>
// POSIX options
#include <unistd.h>
// lua interpreter
#include <lua.h>
#include <lualib.h>
#include <lauxlib.h>
// glad
#include "glad/glad.h"
#include <GLFW/glfw3.h>
// c opengl mathematics function
#include <cglm/cglm.h>
#include <cglm/call.h>
// assimp
#include <assimp/cimport.h>
#include <assimp/scene.h>
#include <assimp/postprocess.h>
// stb image
#include "stb_image/stb_image.h"
typedef GLFWwindow* honey_window;
/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
typedef enum {
/* generic results */
HONEY_OK,
HONEY_MEMORY_ALLOCATION_ERROR,
HONEY_FILE_READ_ERROR,
/* shader errors */
HONEY_VERTEX_SHADER_COMPILATION_ERROR,
HONEY_FRAGMENT_SHADER_COMPILATION_ERROR,
HONEY_SHADER_LINK_ERROR,
/* mesh errors */
HONEY_MESH_BAD_VERTEX_DATA,
HONEY_MESH_BAD_INDEX_DATA,
/* model errors */
HONEY_MODEL_LOAD_ERROR,
HONEY_N_ERRORS
} honey_result;
#define HONEY_ERROR_DATA_STRING_LENGTH 4096
static struct {
char string1[HONEY_ERROR_DATA_STRING_LENGTH];
char string2[HONEY_ERROR_DATA_STRING_LENGTH];
} honey_error_data;
void honey_error_clear_strings();
void honey_error_set_string1(char* string);
void honey_error_set_string2(char* string);
/** @brief Generate a human-readable error message.
*
* @param[out] error_string A string with at least 3*HONEY_ERROR_DATA_STRING_LENGTH characters to store the result
* @param[in] error The error to generate a message for
*/
void honey_human_readable_error(char* error_string, honey_result error);
/* lua binding functions */
typedef enum {
HONEY_INT,
HONEY_NUM,
HONEY_STRING,
HONEY_FUNC
} honey_lua_type;
/** @brief Wrap C objects for lua. */
typedef struct {
char* name;
honey_lua_type type;
union {
int integer;
double number;
char* string;
int (*function)(lua_State*);
} data;
} honey_lua_element;
/** @brief Push an element to the lua stack.
*
* @param[in] L The lua state to push the element to.
* @param[in] element The honey_lua_element to push to the stack.
*
* @returns Nothing.
*/
void honey_lua_push_element(lua_State* L,
honey_lua_element element);
/** @brief Create a lua table populated with various elements.
*
* @param[in] L The lua state to push the table to.
* @param[in] elements Array of elements to populate the table.
* @param[in] n_elements The number of elements in the array.
*
* @returns Nothing.
*/
void honey_lua_create_table(lua_State* L,
honey_lua_element* elements,
unsigned int n_elements);
#endif
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