int cvar_fti(float f) {
	return *((int*)&f);
}

float cvar_itf(int i) {
	return *((float*)&i);
}

void cvar_fnc_void(cvar_t *cv, int value) {
	;
}

void cvar_fnc_bool(cvar_t *cv, int value) {
	*((byte*)cv->data) = (byte)value;
}

void cvar_fnc_int(cvar_t *cv, int value) {
	*((int*)cv->data) = value;
}

void cvar_fnc_float(cvar_t *cv, int value) {
	*((float*)cv->data) = cvar_itf(value);
}

void cvar_fnc_double(cvar_t *cv, int value) {
	*((double*)cv->data) = (double)cvar_itf(value);
}

void cvar_fnc_color(cvar_t *cv, int value) {
	*((uint*)cv->data) = (uint)value;
}

void cvar_fnc_fcolor(cvar_t *cv, int value) {
	((float*)cv->data)[0] = ((float)((uint)((value >> 16) & 0xff))) * 255.0f;
	((float*)cv->data)[1] = ((float)((uint)((value >> 8) & 0xff))) * 255.0f;
	((float*)cv->data)[2] = ((float)((uint)(value & 0xff))) * 255.0f;
}

void cvar_fnc_scolor(cvar_t *cv, int value) {
	*((uint*)cv->data) = ((uint)value) | 0xff000000;
}

void cvar_fnc_ccolor(cvar_t *cv, int value) {
	*((uint*)cv->data) = ((uint)value) | ((*((uint*)cv->data)) & 0xff000000);
}

void cvar_fnc_acolor(cvar_t *cv, int value) {
	*((uint*)cv->data) = ((uint)(float)(cvar_itf(value) * 255.0f)) | ((*((uint*)cv->data)) & 0x00ffffff);
}

void cvar_fnc_bind(cvar_t *cv, int value) {
	((bind_t*)cv->data)->key = value;
}

cvar_t *cvar_add(const char *name, cvar_func *func, void *data, void *aux_data, int def, int min, int max, byte type, byte category, byte readonly, byte startup) {
	cvar_t *cv = &sys.cvars[sys.n_cvars];
	cv->func = func;
	cv->data = data;
	cv->aux_data = aux_data;
	cv->value = cv->def = def;
	cv->min = min;
	cv->max = max;
	cv->id = sys.n_cvars;
	cv->readonly = readonly;
	cv->startup = startup;
	cv->type = type;
	cv->category = category;
	cv->name = name;
	sys.n_cvars += 1;
	return cv;
}

cvar_t *cvar_add_bool(const char *name, byte category, byte *data, byte def) {
	cvar_t *cv = cvar_add(name, cvar_fnc_bool, data, NULL, (int)def, 0, 0, CVAR_BOOL, category, 0, 1);
	if(data)
		*data = def;
	return cv;
}

cvar_t *cvar_add_sbool(const char *name, byte category, cvar_func *func, byte *data, byte def, byte startup) {
	cvar_t *cv = cvar_add(name, func, data, NULL, (int)def, 0, 0, CVAR_BOOL, category, 0, startup);
	if(data)
		*data = def;
	return cv;
}

cvar_t *cvar_add_wbool(const char *name, byte category, cvar_func *func, byte def) {
	return cvar_add(name, func, NULL, NULL, (int)def, 0, 0, CVAR_BOOL, category, 0, 0);
}

cvar_t *cvar_add_int(const char *name, byte category, int *data, int def, int min, int max) {
	cvar_t *cv = cvar_add(name, cvar_fnc_int, data, NULL, def, min, max, CVAR_INT, category, 0, 1);
	if(data)
		*data = def;
	return cv;
}

cvar_t *cvar_add_sint(const char *name, byte category, cvar_func *func, int *data, int def, int min, int max, byte startup) {
	cvar_t *cv = cvar_add(name, func, data, NULL, def, min, max, CVAR_INT, category, 0, startup);
	if(data)
		*data = def;
	return cv;
}

cvar_t *cvar_add_byte(const char *name, byte category, byte *data, byte def, byte min, byte max) {
	cvar_t *cv = cvar_add(name, cvar_fnc_bool, data, NULL, (int)def, (int)min, (int)max, CVAR_INT, category, 0, 1);
	if(data)
		*data = def;
	return cv;
}

cvar_t *cvar_add_rint(const char *name, byte category, int def, int min, int max) {
	return cvar_add(name, cvar_fnc_void, NULL, NULL, def, min, max, CVAR_INT, category, 1, 0);
}

cvar_t *cvar_add_wint(const char *name, byte category, cvar_func *func, int def, int min, int max) {
	return cvar_add(name, func, NULL, NULL, def, min, max, CVAR_INT, category, 0, 0);
}

cvar_t *cvar_add_float(const char *name, byte category, float *data, float def, float min, float max) {
	cvar_t *cv = cvar_add(name, cvar_fnc_float, data, NULL, cvar_fti(def), cvar_fti(min), cvar_fti(max), CVAR_FLOAT, category, 0, 1);
	if(data)
		*data = def;
	return cv;
}

cvar_t *cvar_add_sfloat(const char *name, byte category, cvar_func *func, float *data, float def, float min, float max, byte startup) {
	cvar_t *cv = cvar_add(name, func, data, NULL, cvar_fti(def), cvar_fti(min), cvar_fti(max), CVAR_FLOAT, category, 0, startup);
	if(data)
		*data = def;
	return cv;
}

cvar_t *cvar_add_double(const char *name, byte category, double *data, float def, float min, float max) {
	cvar_t *cv = cvar_add(name, cvar_fnc_double, data, NULL, cvar_fti(def), cvar_fti(min), cvar_fti(max), CVAR_FLOAT, category, 0, 1);
	if(data)
		*data = (double)def;
	return cv;
}

cvar_t *cvar_add_benum(const char *name, byte category, byte *data, const char **names, byte def, int states) {
	cvar_t *cv = cvar_add(name, cvar_fnc_bool, data, names, (int)def, 0, states, CVAR_ENUM, category, 0, 1);
	if(data)
		*data = def;
	return cv;
}

cvar_t *cvar_add_sbenum(const char *name, byte category, cvar_func *func, byte *data, const char **names, byte def, int states, byte startup) {
	cvar_t *cv = cvar_add(name, func, data, names, (int)def, 0, states, CVAR_ENUM, category, 0, startup);
	if(data)
		*data = def;
	return cv;
}

cvar_t *cvar_add_ienum(const char *name, byte category, int *data, const char **names, int def, int states) {
	cvar_t *cv = cvar_add(name, cvar_fnc_int, data, names, def, 0, states, CVAR_ENUM, category, 0, 1);
	if(data)
		*data = def;
	return cv;
}

cvar_t *cvar_add_color(const char *name, byte category, uint *data, uint def) {
	cvar_t *cv = cvar_add(name, cvar_fnc_scolor, data, NULL, (int)def, 0, 0, CVAR_COLOR, category, 0, 1);
	if(data)
		*data = def | 0xff000000;
	return cv;
}

cvar_t *cvar_add_scolor(const char *name, byte category, cvar_func *func, uint *data, uint def, byte startup) {
	cvar_t *cv = cvar_add(name, func, data, NULL, (int)def, 0, 0, CVAR_COLOR, category, 0, startup);
	if(data)
		*data = def | 0xff000000;
	return cv;
}

cvar_t *cvar_add_acolor(const char *name, byte category, uint *data, uint def) {
	cvar_t *cv = cvar_add(name, cvar_fnc_color, data, NULL, (int)def, 0, 0, CVAR_COLOR_ALPHA, category, 0, 1);
	if(data)
		*data = def;
	return cv;
}

cvar_t *cvar_add_key(const char *name, byte bind, int def) {
	cvar_t *cv = cvar_add(name, cvar_fnc_bind, &sys.binds[bind], NULL, def, 0, 0, CVAR_KEY, CVAR_BIND, 0, 1);
	sys.binds[bind].key = def;
	return cv;
}

void cvar_fmt_bool(char *str, int value) {
	sprintf(str, value ? "true" : "false");
}

void cvar_fmt_int(char *str, int value) {
	sprintf(str, "%d", value);
}

void cvar_fmt_float(char *str, int value) {
	sprintf(str, "%.3f", cvar_itf(value));
}

void cvar_fmt_color(char *str, int value) {
	sprintf(str, "%06x", (uint)value);
}

void cvar_fmt_acolor(char *str, int value) {
	sprintf(str, "%08x", (uint)value);
}

void cvar_fmt_key(char *str, int value) {
	if(value == 0) {
		sprintf(str, "none");
	}
	else if(value >= -SCROLL_RIGHT && value <= -MOUSE_LEFT) {
		sprintf(str, key_names[KEY_MOUSE_OFFSET - (value + MOUSE_LEFT)]);
	}
	else if(value >= KEYSYM_0 && value <= KEYSYM_9) {
		sprintf(str, "%d", value - KEYSYM_0);
	}
	else if(value >= KEYSYM_A && value <= KEYSYM_Z) {
		sprintf(str, "%c", 'a' + (char)(value - KEYSYM_A));
	}
	else if(value >= KEYSYM_F1 && value <= KEYSYM_F12) {
		sprintf(str, "f%d", 1 + value - KEYSYM_F1);
	}
	else if(value >= KEYSYM_KP_0 && value <= KEYSYM_KP_9) {
		sprintf(str, "kp%d", value - KEYSYM_KP_0);
	}
	else if(value >= KEYSYM_FIRST && value <= KEYSYM_LAST) {
		sprintf(str, key_names[value - KEYSYM_FIRST]);
	}
	else {
		sprintf(str, "#%d", value);
	}
}

static const cvar_fmt_func cvar_fmt[] = {cvar_fmt_bool, cvar_fmt_int, cvar_fmt_float, NULL, cvar_fmt_color, cvar_fmt_acolor, cvar_fmt_key};

byte cvar_parse_bool(const char *str, int *value) {
	if(str_eq_lower("1", str) || str_eq_lower("true", str) || str_eq_lower("on", str) || str_eq_lower("yes", str) || str_eq_lower("y", str)) {
		*value = 1;
		return 1;
	}
	else if(str_eq_lower("0", str) || str_eq_lower("false", str) || str_eq_lower("off", str) || str_eq_lower("no", str) || str_eq_lower("n", str)) {
		*value = 0;
		return 1;
	}
	return 0;
}

byte cvar_parse_int(const char *str, int *value) {
	return str_parse_int(str, value, 0);
}

byte cvar_parse_float(const char *str, int *value) {
	errno = 0;
	float f = strtof(str, NULL);
	if(errno)
		return 0;
	*value = cvar_fti(f);
	return 1;
}

byte cvar_parse_color(const char *str, int *value) {
	int c;
	if((!str_parse_int(str, &c, -16)) || (c & 0xff000000))
		return 0;
	*value = c;
	return 1;
}

byte cvar_parse_acolor(const char *str, int *value) {
	return str_parse_int(str, value, -16);
}

byte cvar_parse_key(const char *str, int *value) {
	int comp;
	int max = 0;
	int best = 0;
	if(str[0] >= '0' && str[0] <= '9' && !(str[1])) {
		*value = (str[0] - '0') + KEYSYM_0;
		return 1;
	}
	else if(str[0] >= 'a' && str[0] <= 'z' && !(str[1])) {
		*value = (str[0] - 'a') + KEYSYM_A;
		return 1;
	}
	else if(str[0] >= 'A' && str[0] <= 'Z' && !(str[1])) {
		*value = (str[0] - 'A') + KEYSYM_A;
		return 1;
	}
	else if((str[0] == '#') && str[1] && str_parse_int(str+1, value, 10)) {
		return 1;
	}
	else if((str_lower(str[0]) == 'f') && str[1] && str_parse_int(str+1, &comp, 10) && (comp >= 1) && (comp <= 25)) {
		*value = (comp - 1) + KEYSYM_F1;
		return 1;
	}
	else if((str_lower(str[0]) == 'k') && (str_lower(str[1]) == 'p') && (str[2] >= '0') && (str[2] <= '9') && !(str[3])) {
		*value = (str[2] - '0') + KEYSYM_KP_0;
		return 1;
	}
	else if(str_eq_lower("none", str)) {
		*value = 0;
		return 1;
	}
	for(int z = 0; z < KEY_MOUSE_OFFSET + SCROLL_RIGHT; z++) {
		if((comp = str_cmp_lower(key_names[z], str)) > best) {
			max = comp;
			best = z;
		}
	}
	if(max) {
		*value = (best >= KEY_MOUSE_OFFSET) ? -(MOUSE_LEFT + best - KEY_MOUSE_OFFSET) : (KEYSYM_FIRST + best);
		return 1;
	}
	return 0;
}

static const cvar_parse_func cvar_parse[] = {cvar_parse_bool, cvar_parse_int, cvar_parse_float, NULL, cvar_parse_color, cvar_parse_acolor, cvar_parse_key};

cvar_t *cvar_get(const char *key) {
	return (cvar_t*)smap_get(&sys.cvar_map, key);
}

byte cvar_set(cvar_t *cv, const char *str, byte startup) {
	if((cv->type == CVAR_ENUM) ? str_parse_enum(str, (const char**)cv->aux_data, cv->max, &cv->value) : cvar_parse[cv->type](str, &cv->value)) {
		if(cv->type == CVAR_INT)
			cv->value = CLAMP_VALUE(cv->value, cv->min, cv->max);
		else if(cv->type == CVAR_FLOAT)
			cv->value = cvar_fti(CLAMP_VALUE(cvar_itf(cv->value), cvar_itf(cv->min), cvar_itf(cv->max)));
		if((!startup) || cv->startup)
			cv->func(cv, cv->value);
		sys.cfg_dirty |= startup ^ 1;
		return 1;
	}
	else {
		sys.cfg_dirty |= startup;
		return 0;
	}
}

void cvar_format(cvar_t *cv, char *str) {
	if(cv->type == CVAR_ENUM) {
		sprintf(str, "%s", ((const char**)cv->aux_data)[cv->value]);
	}
	else {
		cvar_fmt[cv->type](str, cv->value);
	}
}

byte cvar_byte(const char *name) {
	return (byte)cvar_get(name)->value;
}

int cvar_int(const char *name) {
	return cvar_get(name)->value;
}

float cvar_float(const char *name) {
	return cvar_itf(cvar_get(name)->value);
}

uint cvar_color(const char *name) {
	return (uint)cvar_get(name)->value;
}

int cvar_key(byte bind) {
	return sys.cvars[bind].value;
}

int cvar_defkey(byte bind) {
	return sys.cvars[bind].def;
}

void cvar_sdef(cvar_t *cv) {
	cv->value = cv->def;
	cv->func(cv, cv->value);
	sys.cfg_dirty = 1;
}

void cvar_setdef(const char *name) {
	cvar_sdef(cvar_get(name));
}

void cvar_str(const char *name, char *str) {
	cvar_format(cvar_get(name), str);
}

void cvar_sbool(cvar_t *cv, byte value) {
	cv->value = (int)value;
	cv->func(cv, cv->value);
	sys.cfg_dirty = 1;
}

void cvar_setbool(const char *name, byte value) {
	cvar_sbool(cvar_get(name), value);
}

void cvar_toggle(const char *name) {
	cvar_t *cv = cvar_get(name);
	cv->value ^= 1;
	cv->func(cv, cv->value);
	sys.cfg_dirty = 1;
}

void cvar_sint(cvar_t *cv, int value) {
	cv->value = value;
	cv->func(cv, cv->value);
	sys.cfg_dirty = 1;
}

void cvar_setint(const char *name, int value) {
	cvar_sint(cvar_get(name), value);
}

void cvar_sfloat(cvar_t *cv, float value) {
	cv->value = cvar_fti(value);
	cv->func(cv, cv->value);
	sys.cfg_dirty = 1;
}

void cvar_setfloat(const char *name, float value) {
	cvar_sfloat(cvar_get(name), value);
}

void cvar_scolor(cvar_t *cv, uint value) {
	cv->value = (int)value;
	cv->func(cv, cv->value);
	sys.cfg_dirty = 1;
}

void cvar_skey(byte bind, int value) {
	cvar_t *cv = &sys.cvars[bind];
	cv->value = (int)value;
	cv->func(cv, cv->value);
	sys.cfg_dirty = 1;
}

byte cvar_sstr(cvar_t *cv, const char *value) {
	return cvar_set(cv, value, 0);
}

// void win_full(byte full);

// void cvar_fnc_full(cvar_t *cv, int value) {
	// win_full(value);
// }

void win_sync(int sync);

void cvar_fnc_sync(cvar_t *cv, int value) {
	win_sync(value);
}

void cvar_fnc_dlight(cvar_t *cv, int value) {
	light_setup(value);
}

void tick_target(float tps);

void cvar_fnc_ticktarget(cvar_t *cv, int value) {
	tick_target(cvar_itf(value));
}

void cvar_fnc_tex(cvar_t *cv, int value) {
	cvar_fnc_bool(cv, value);
	tex_config();
}

void cvar_fnc_ftex(cvar_t *cv, int value) {
	cvar_fnc_float(cv, value);
	tex_config();
}

void con_resize(int size);

void cvar_fnc_consize(cvar_t *cv, int value) {
	con_resize(value);
}

void plr_debug(byte debug);
void plr_volume(byte channel, ushort volume);

void cvar_fnc_middebug(cvar_t *cv, int value) {
	plr_debug((byte)value);
}

void cvar_fnc_volume(cvar_t *cv, int value) {
	plr_volume((byte)(int)(cv->id - cvar_get(snd_cvar_volume[0])->id), (ushort)(cvar_itf(value) * 32767.0f));
}

void cvar_fnc_sound(cvar_t *cv, int value) {
}

void gfx_back_color(uint color);

void cvar_fnc_clight(cvar_t *cv, int value) {
	gfx_back_color(0xff000000 | (uint)value);
}

void cvar_reg() {
#include "vars.h"
}

void theme_reg() {
	style_t *style;
	
#define theme_add(str) \
	style = (style_t*)tbl_push(&sys.themes);\
	style->name = str;

#define theme_window(bdrtop, bdrbtm, top, btm, text) \
	style->wbrdr_top = bdrtop;\
	style->wbrdr_btm = bdrbtm;\
	style->win_top = top;\
	style->win_btm = btm;\
	style->text_win = text;

#define theme_border(top, btm, size) \
	style->brdr_top = top;\
	style->brdr_btm = btm;\
	style->border = size;

#define theme_background(top, btm) \
	style->bg_top = top;\
	style->bg_btm = btm;

#define theme_base(top, btm, text, label) \
	style->fill_top = top;\
	style->fill_btm = btm;\
	style->text_base = text;\
	style->text_label = label;

#define theme_field(top, btm, text) \
	style->field_top = top;\
	style->field_btm = btm;\
	style->text_field = text;

#define theme_slider(handle) \
	style->slider_width = handle;

#define theme_select(presstop, pressbtm, hovertop, hoverbtm, sel, cur) \
	style->press_top = presstop;\
	style->press_btm = pressbtm;\
	style->hover_top = hovertop;\
	style->hover_btm = hoverbtm;\
	style->select = sel;\
	style->cursor = cur;

#include "themes.h"

#undef theme_add
#undef theme_window
#undef theme_border
#undef theme_background
#undef theme_base
#undef theme_field
#undef theme_slider
#undef theme_select

	sys.style_def = style;
}

byte cvar_load() {
	char str[64];
	char *lines;
	char *line = NULL;
	cvar_t *cv;
	int pos;
	if(!file_sread(&lines, sys.cfg_file)) {
		return 0;
	}
	while(line = strtok(line ? NULL : lines, "\n")) {
		for(pos = 0; line[pos]; pos++) {
			if(line[pos] == '=')
				break;
		}
		if(line[pos]) {
			line[pos++] = 0;
			if(!(cv = cvar_get(line))) {
				loge(LOG_SYS, STR_CVAR_UNKNOWN, line);
				continue;
			}
			if(sys.log_set != 0xff && cv->data == &sys.log_level) {
				if(str_parse_enum(line+pos, (const char**)cv->aux_data, cv->max, &cv->value))
					sys.log_set = (byte)cv->value;
				else
					loge(LOG_SYS, STR_CVAR_INVALID, cv->name, line+pos);
				cv->value = (int)sys.log_level;
				continue;
			}
			if(cvar_set(cv, line+pos, 1)) {
				cvar_format(cv, str);
				logt(LOG_SYS, "%s = %s", cv->name, str);
			}
			else {
				loge(LOG_SYS, STR_CVAR_INVALID, cv->name, line+pos);
			}
		}
	}
	mem_free(lines);
	return 1;
}

byte cvar_save() {
	char str[64];
	cvar_t *cv;
	FILE *fd;
	int err;
	if(!(fd = fopen(sys.cfg_file, "wb"))) {
		err = errno;
		loge(LOG_IO, STR_CVAR_EWOPEN, sys.cfg_file, strerror(err), err);
		return 0;
	}
	for(int z = 0; z < sys.n_cvars; z++) {
		cv = &sys.cvars[z];
		if(sys.log_set != 0xff && cv->data == &sys.log_level)
			sprintf(str, "%s", ((const char**)cv->aux_data)[sys.log_set]);
		else
			cvar_format(cv, str);
		fprintf(fd, "%s=%s\n", cv->name, str);
	}
	fclose(fd);
	return 1;
}

void cvar_init() {
	cvar_t *cv;
	tbl_init(&sys.themes, 32, 1, sizeof(style_t), MEM_SYSTEM);
	theme_reg();
	cvar_reg();
	smap_init(&sys.cvar_map, 1, MEM_SYSTEM);
	for(int z = 0; z < sys.n_cvars; z++) {
		cv = &sys.cvars[z];
		smap_put(&sys.cvar_map, cv->name, cv);
	}
	cvar_load();
}

void cvar_end() {
	cvar_save();
	smap_clear(&sys.cvar_map);
	tbl_clear(&sys.themes);
}

const char *cvar_getbind(byte bind) {
	return STR_BIND_QUIT + (LOCALE_ELEM * bind);
}

const char *cvar_getkey(int key, char *buf) {
	if(key == 0) {
		return "---";
	}
	else if(key >= -SCROLL_RIGHT && key <= -MOUSE_LEFT) {
		return STR_KEY_MOUSE_LEFT + (LOCALE_ELEM * -(key + MOUSE_LEFT));
	}
	else if(key >= KEYSYM_0 && key <= KEYSYM_9) {
		sprintf(buf, "<%d>", key - KEYSYM_0);
		return buf;
	}
	else if(key >= KEYSYM_A && key <= KEYSYM_Z) {
		sprintf(buf, "<%c>", 'A' + (char)(key - KEYSYM_A));
		return buf;
	}
	else if(key >= KEYSYM_F1 && key <= KEYSYM_F12) {
		sprintf(buf, "F%d", 1 + key - KEYSYM_F1);
		return buf;
	}
	else if(key >= KEYSYM_KP_0 && key <= KEYSYM_KP_9) {
		sprintf(buf, "#%d", key - KEYSYM_KP_0);
		return buf;
	}
	else if(key >= KEYSYM_FIRST && key <= KEYSYM_LAST) {
		return STR_KEY_SPACE + (LOCALE_ELEM * (key - KEYSYM_FIRST));
	}
	else {
		sprintf(buf, "[%d]", key);
		return buf;
	}
}