nuclear@8: #include <string.h>
nuclear@7: #include <map>
nuclear@7: #include "game_var.h"
nuclear@7: 
nuclear@7: static std::map<std::string, GameVariable> gvars;
nuclear@7: 
nuclear@7: GameVariable::GameVariable()
nuclear@7: {
nuclear@7: 	num_val = 0.0f;
nuclear@7: 	bool_val = false;
nuclear@7: }
nuclear@7: 
nuclear@7: std::string GameVariable::to_str() const
nuclear@7: {
nuclear@7: 	char buf[128];
nuclear@7: 
nuclear@7: 	switch(type) {
nuclear@7: 	case GameVariable::STR:
nuclear@7: 		return val;
nuclear@7: 	case GameVariable::BOOL:
nuclear@7: 		return bool_val ? "true" : "false";
nuclear@7: 	case GameVariable::NUMBER:
nuclear@7: 		sprintf(buf, "%g", num_val);
nuclear@7: 		return buf;
nuclear@7: 	}
nuclear@7: 	return "<unknown>";
nuclear@7: }
nuclear@7: 
nuclear@7: void set_gvar(const GameVariable &var)
nuclear@7: {
nuclear@7: 	gvars[var.name] = var;
nuclear@7: }
nuclear@7: 
nuclear@7: void set_gvar_str(const char *name, const char *val)
nuclear@7: {
nuclear@7: 	GameVariable v;
nuclear@7: 	v.name = name;
nuclear@7: 	v.val = val;
nuclear@7: 	v.type = GameVariable::STR;
nuclear@7: 	set_gvar(v);
nuclear@7: }
nuclear@7: 
nuclear@7: void set_gvar_num(const char *name, float val)
nuclear@7: {
nuclear@7: 	GameVariable v;
nuclear@7: 	v.name = name;
nuclear@7: 	v.num_val = val;
nuclear@7: 	v.type = GameVariable::NUMBER;
nuclear@7: 	set_gvar(v);
nuclear@7: }
nuclear@7: 
nuclear@7: void set_gvar_bool(const char *name, bool val)
nuclear@7: {
nuclear@7: 	GameVariable v;
nuclear@7: 	v.name = name;
nuclear@7: 	v.bool_val = val;
nuclear@7: 	v.type = GameVariable::BOOL;
nuclear@7: 	set_gvar(v);
nuclear@7: }
nuclear@7: 
nuclear@7: static char *strip_whitespace(char *s)
nuclear@7: {
nuclear@7: 	while(*s && isspace(*s)) ++s;
nuclear@7: 	if(*s == 0) return s;
nuclear@7: 
nuclear@7: 	char *endp = s + strlen(s) - 1;
nuclear@7: 	while(endp > s && isspace(*endp)) {
nuclear@7: 		*endp-- = 0;
nuclear@7: 	}
nuclear@7: 	return s;
nuclear@7: }
nuclear@7: 
nuclear@7: static int strccmp(const char *a, const char *b)
nuclear@7: {
nuclear@7: 	while(*a && *b) {
nuclear@7: 		int diff = tolower(*a) - tolower(*b);
nuclear@7: 		if(diff != 0) return diff;
nuclear@7: 		++a;
nuclear@7: 		++b;
nuclear@7: 	}
nuclear@7: 	if(*a == 0 && *b == 0) return 0;
nuclear@7: 	return *a == 0 ? -1 : 1;
nuclear@7: }
nuclear@7: 
nuclear@7: void set_gvar_parse(const char *name, const char *val)
nuclear@7: {
nuclear@7: 	char *endp, *valstr = (char*)alloca(strlen(val) + 1);
nuclear@7: 	strcpy(valstr, val);
nuclear@7: 	valstr = strip_whitespace(valstr);
nuclear@7: 
nuclear@7: 	float fval = strtod(valstr, &endp);
nuclear@7: 	if(endp != valstr && *endp == 0) {
nuclear@7: 		set_gvar_num(name, fval);
nuclear@7: 		return;
nuclear@7: 	}
nuclear@7: 
nuclear@7: 	if(strccmp(valstr, "true") == 0 || strccmp(valstr, "yes") == 0) {
nuclear@7: 		set_gvar_bool(name, true);
nuclear@7: 		return;
nuclear@7: 	}
nuclear@7: 	if(strccmp(valstr, "false") == 0 || strccmp(valstr, "no") == 0) {
nuclear@7: 		set_gvar_bool(name, false);
nuclear@7: 		return;
nuclear@7: 	}
nuclear@7: 	return set_gvar_str(name, val);
nuclear@7: }
nuclear@7: 
nuclear@7: GameVariable &get_gvar(const char *name)
nuclear@7: {
nuclear@7: 	return gvars[name];
nuclear@7: }
nuclear@7: 
nuclear@7: const char *get_gvar_str(const char *name)
nuclear@7: {
nuclear@7: 	return gvars[name].val.c_str();
nuclear@7: }
nuclear@7: 
nuclear@7: float get_gvar_num(const char *name)
nuclear@7: {
nuclear@7: 	return gvars[name].num_val;
nuclear@7: }
nuclear@7: 
nuclear@7: bool get_gvar_bool(const char *name)
nuclear@7: {
nuclear@7: 	return gvars[name].bool_val;
nuclear@7: }
nuclear@7: 
nuclear@7: bool have_gvar(const char *name)
nuclear@7: {
nuclear@7: 	return gvars.find(std::string(name)) != gvars.end();
nuclear@7: }
nuclear@7: 
nuclear@7: std::list<std::string> get_gvar_list()
nuclear@7: {
nuclear@7: 	std::list<std::string> res;
nuclear@7: 
nuclear@7: 	std::map<std::string, GameVariable>::const_iterator it = gvars.begin();
nuclear@7: 	while(it != gvars.end()) {
nuclear@7: 		res.push_back((it++)->first);
nuclear@7: 	}
nuclear@7: 	return res;
nuclear@8: }