/*************************************************************************/ /* gd_functions.cpp */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* http://www.godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */ /* */ /* Permission is hereby granted, free of charge, to any person obtaining */ /* a copy of this software and associated documentation files (the */ /* "Software"), to deal in the Software without restriction, including */ /* without limitation the rights to use, copy, modify, merge, publish, */ /* distribute, sublicense, and/or sell copies of the Software, and to */ /* permit persons to whom the Software is furnished to do so, subject to */ /* the following conditions: */ /* */ /* The above copyright notice and this permission notice shall be */ /* included in all copies or substantial portions of the Software. */ /* */ /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /*************************************************************************/ #include "gd_functions.h" #include "math_funcs.h" #include "class_db.h" #include "reference.h" #include "gd_script.h" #include "func_ref.h" #include "os/os.h" #include "variant_parser.h" #include "io/marshalls.h" #include "io/json.h" const char *GDFunctions::get_func_name(Function p_func) { ERR_FAIL_INDEX_V(p_func,FUNC_MAX,""); static const char *_names[FUNC_MAX]={ "sin", "cos", "tan", "sinh", "cosh", "tanh", "asin", "acos", "atan", "atan2", "sqrt", "fmod", "fposmod", "floor", "ceil", "round", "abs", "sign", "pow", "log", "exp", "is_nan", "is_inf", "ease", "decimals", "stepify", "lerp", "dectime", "randomize", "randi", "randf", "rand_range", "seed", "rand_seed", "deg2rad", "rad2deg", "linear2db", "db2linear", "max", "min", "clamp", "nearest_po2", "weakref", "funcref", "convert", "typeof", "type_exists", "char", "str", "print", "printt", "prints", "printerr", "printraw", "var2str", "str2var", "var2bytes", "bytes2var", "range", "load", "inst2dict", "dict2inst", "validate_json", "parse_json", "to_json", "hash", "Color8", "ColorN", "print_stack", "instance_from_id", }; return _names[p_func]; } void GDFunctions::call(Function p_func,const Variant **p_args,int p_arg_count,Variant &r_ret,Variant::CallError &r_error) { r_error.error=Variant::CallError::CALL_OK; #ifdef DEBUG_ENABLED #define VALIDATE_ARG_COUNT(m_count) \ if (p_arg_countm_count) {\ r_error.error=Variant::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS;\ r_error.argument=m_count;\ r_ret=Variant();\ return;\ } #define VALIDATE_ARG_NUM(m_arg) \ if (!p_args[m_arg]->is_num()) {\ r_error.error=Variant::CallError::CALL_ERROR_INVALID_ARGUMENT;\ r_error.argument=m_arg;\ r_error.expected=Variant::REAL;\ r_ret=Variant();\ return;\ } #else #define VALIDATE_ARG_COUNT(m_count) #define VALIDATE_ARG_NUM(m_arg) #endif //using a switch, so the compiler generates a jumptable switch(p_func) { case MATH_SIN: { VALIDATE_ARG_COUNT(1); VALIDATE_ARG_NUM(0); r_ret=Math::sin(*p_args[0]); } break; case MATH_COS: { VALIDATE_ARG_COUNT(1); VALIDATE_ARG_NUM(0); r_ret=Math::cos(*p_args[0]); } break; case MATH_TAN: { VALIDATE_ARG_COUNT(1); VALIDATE_ARG_NUM(0); r_ret=Math::tan(*p_args[0]); } break; case MATH_SINH: { VALIDATE_ARG_COUNT(1); VALIDATE_ARG_NUM(0); r_ret=Math::sinh(*p_args[0]); } break; case MATH_COSH: { VALIDATE_ARG_COUNT(1); VALIDATE_ARG_NUM(0); r_ret=Math::cosh(*p_args[0]); } break; case MATH_TANH: { VALIDATE_ARG_COUNT(1); VALIDATE_ARG_NUM(0); r_ret=Math::tanh(*p_args[0]); } break; case MATH_ASIN: { VALIDATE_ARG_COUNT(1); VALIDATE_ARG_NUM(0); r_ret=Math::asin(*p_args[0]); } break; case MATH_ACOS: { VALIDATE_ARG_COUNT(1); VALIDATE_ARG_NUM(0); r_ret=Math::acos(*p_args[0]); } break; case MATH_ATAN: { VALIDATE_ARG_COUNT(1); VALIDATE_ARG_NUM(0); r_ret=Math::atan(*p_args[0]); } break; case MATH_ATAN2: { VALIDATE_ARG_COUNT(2); VALIDATE_ARG_NUM(0); VALIDATE_ARG_NUM(1); r_ret=Math::atan2(*p_args[0],*p_args[1]); } break; case MATH_SQRT: { VALIDATE_ARG_COUNT(1); VALIDATE_ARG_NUM(0); r_ret=Math::sqrt(*p_args[0]); } break; case MATH_FMOD: { VALIDATE_ARG_COUNT(2); VALIDATE_ARG_NUM(0); VALIDATE_ARG_NUM(1); r_ret=Math::fmod(*p_args[0],*p_args[1]); } break; case MATH_FPOSMOD: { VALIDATE_ARG_COUNT(2); VALIDATE_ARG_NUM(0); VALIDATE_ARG_NUM(1); r_ret=Math::fposmod(*p_args[0],*p_args[1]); } break; case MATH_FLOOR: { VALIDATE_ARG_COUNT(1); VALIDATE_ARG_NUM(0); r_ret=Math::floor(*p_args[0]); } break; case MATH_CEIL: { VALIDATE_ARG_COUNT(1); VALIDATE_ARG_NUM(0); r_ret=Math::ceil(*p_args[0]); } break; case MATH_ROUND: { VALIDATE_ARG_COUNT(1); VALIDATE_ARG_NUM(0); r_ret=Math::round(*p_args[0]); } break; case MATH_ABS: { VALIDATE_ARG_COUNT(1); if (p_args[0]->get_type()==Variant::INT) { int64_t i = *p_args[0]; r_ret=ABS(i); } else if (p_args[0]->get_type()==Variant::REAL) { real_t r = *p_args[0]; r_ret=Math::abs(r); } else { r_error.error=Variant::CallError::CALL_ERROR_INVALID_ARGUMENT; r_error.argument=0; r_error.expected=Variant::REAL; r_ret=Variant(); } } break; case MATH_SIGN: { VALIDATE_ARG_COUNT(1); if (p_args[0]->get_type()==Variant::INT) { int64_t i = *p_args[0]; r_ret= i < 0 ? -1 : ( i > 0 ? +1 : 0); } else if (p_args[0]->get_type()==Variant::REAL) { real_t r = *p_args[0]; r_ret= r < 0.0 ? -1.0 : ( r > 0.0 ? +1.0 : 0.0); } else { r_error.error=Variant::CallError::CALL_ERROR_INVALID_ARGUMENT; r_error.argument=0; r_error.expected=Variant::REAL; r_ret=Variant(); } } break; case MATH_POW: { VALIDATE_ARG_COUNT(2); VALIDATE_ARG_NUM(0); VALIDATE_ARG_NUM(1); r_ret=Math::pow(*p_args[0],*p_args[1]); } break; case MATH_LOG: { VALIDATE_ARG_COUNT(1); VALIDATE_ARG_NUM(0); r_ret=Math::log(*p_args[0]); } break; case MATH_EXP: { VALIDATE_ARG_COUNT(1); VALIDATE_ARG_NUM(0); r_ret=Math::exp(*p_args[0]); } break; case MATH_ISNAN: { VALIDATE_ARG_COUNT(1); VALIDATE_ARG_NUM(0); r_ret=Math::is_nan(*p_args[0]); } break; case MATH_ISINF: { VALIDATE_ARG_COUNT(1); VALIDATE_ARG_NUM(0); r_ret=Math::is_inf(*p_args[0]); } break; case MATH_EASE: { VALIDATE_ARG_COUNT(2); VALIDATE_ARG_NUM(0); VALIDATE_ARG_NUM(1); r_ret=Math::ease(*p_args[0],*p_args[1]); } break; case MATH_DECIMALS: { VALIDATE_ARG_COUNT(1); VALIDATE_ARG_NUM(0); r_ret=Math::step_decimals(*p_args[0]); } break; case MATH_STEPIFY: { VALIDATE_ARG_COUNT(2); VALIDATE_ARG_NUM(0); VALIDATE_ARG_NUM(1); r_ret=Math::stepify(*p_args[0],*p_args[1]); } break; case MATH_LERP: { VALIDATE_ARG_COUNT(3); VALIDATE_ARG_NUM(0); VALIDATE_ARG_NUM(1); VALIDATE_ARG_NUM(2); r_ret=Math::lerp(*p_args[0],*p_args[1],*p_args[2]); } break; case MATH_DECTIME: { VALIDATE_ARG_COUNT(3); VALIDATE_ARG_NUM(0); VALIDATE_ARG_NUM(1); VALIDATE_ARG_NUM(2); r_ret=Math::dectime(*p_args[0],*p_args[1],*p_args[2]); } break; case MATH_RANDOMIZE: { Math::randomize(); r_ret=Variant(); } break; case MATH_RAND: { r_ret=Math::rand(); } break; case MATH_RANDF: { r_ret=Math::randf(); } break; case MATH_RANDOM: { VALIDATE_ARG_COUNT(2); VALIDATE_ARG_NUM(0); VALIDATE_ARG_NUM(1); r_ret=Math::random(*p_args[0],*p_args[1]); } break; case MATH_SEED: { VALIDATE_ARG_COUNT(1); VALIDATE_ARG_NUM(0); uint32_t seed=*p_args[0]; Math::seed(seed); r_ret=Variant(); } break; case MATH_RANDSEED: { VALIDATE_ARG_COUNT(1); VALIDATE_ARG_NUM(0); uint32_t seed=*p_args[0]; int ret = Math::rand_from_seed(&seed); Array reta; reta.push_back(ret); reta.push_back(seed); r_ret=reta; } break; case MATH_DEG2RAD: { VALIDATE_ARG_COUNT(1); VALIDATE_ARG_NUM(0); r_ret=Math::deg2rad(*p_args[0]); } break; case MATH_RAD2DEG: { VALIDATE_ARG_COUNT(1); VALIDATE_ARG_NUM(0); r_ret=Math::rad2deg(*p_args[0]); } break; case MATH_LINEAR2DB: { VALIDATE_ARG_COUNT(1); VALIDATE_ARG_NUM(0); r_ret=Math::linear2db(*p_args[0]); } break; case MATH_DB2LINEAR: { VALIDATE_ARG_COUNT(1); VALIDATE_ARG_NUM(0); r_ret=Math::db2linear(*p_args[0]); } break; case LOGIC_MAX: { VALIDATE_ARG_COUNT(2); if (p_args[0]->get_type()==Variant::INT && p_args[1]->get_type()==Variant::INT) { int64_t a = *p_args[0]; int64_t b = *p_args[1]; r_ret=MAX(a,b); } else { VALIDATE_ARG_NUM(0); VALIDATE_ARG_NUM(1); real_t a = *p_args[0]; real_t b = *p_args[1]; r_ret=MAX(a,b); } } break; case LOGIC_MIN: { VALIDATE_ARG_COUNT(2); if (p_args[0]->get_type()==Variant::INT && p_args[1]->get_type()==Variant::INT) { int64_t a = *p_args[0]; int64_t b = *p_args[1]; r_ret=MIN(a,b); } else { VALIDATE_ARG_NUM(0); VALIDATE_ARG_NUM(1); real_t a = *p_args[0]; real_t b = *p_args[1]; r_ret=MIN(a,b); } } break; case LOGIC_CLAMP: { VALIDATE_ARG_COUNT(3); if (p_args[0]->get_type()==Variant::INT && p_args[1]->get_type()==Variant::INT && p_args[2]->get_type()==Variant::INT) { int64_t a = *p_args[0]; int64_t b = *p_args[1]; int64_t c = *p_args[2]; r_ret=CLAMP(a,b,c); } else { VALIDATE_ARG_NUM(0); VALIDATE_ARG_NUM(1); VALIDATE_ARG_NUM(2); real_t a = *p_args[0]; real_t b = *p_args[1]; real_t c = *p_args[2]; r_ret=CLAMP(a,b,c); } } break; case LOGIC_NEAREST_PO2: { VALIDATE_ARG_COUNT(1); VALIDATE_ARG_NUM(0); int64_t num = *p_args[0]; r_ret = nearest_power_of_2(num); } break; case OBJ_WEAKREF: { VALIDATE_ARG_COUNT(1); if (p_args[0]->get_type()!=Variant::OBJECT) { r_error.error=Variant::CallError::CALL_ERROR_INVALID_ARGUMENT; r_error.argument=0; r_error.expected=Variant::OBJECT; r_ret=Variant(); return; } if (p_args[0]->is_ref()) { REF r = *p_args[0]; if (!r.is_valid()) { r_ret=Variant(); return; } Ref wref = memnew( WeakRef ); wref->set_ref(r); r_ret=wref; } else { Object *obj = *p_args[0]; if (!obj) { r_ret=Variant(); return; } Ref wref = memnew( WeakRef ); wref->set_obj(obj); r_ret=wref; } } break; case FUNC_FUNCREF: { VALIDATE_ARG_COUNT(2); if (p_args[0]->get_type()!=Variant::OBJECT) { r_error.error=Variant::CallError::CALL_ERROR_INVALID_ARGUMENT; r_error.argument=0; r_error.expected=Variant::OBJECT; r_ret=Variant(); return; } if (p_args[1]->get_type()!=Variant::STRING && p_args[1]->get_type()!=Variant::NODE_PATH) { r_error.error=Variant::CallError::CALL_ERROR_INVALID_ARGUMENT; r_error.argument=1; r_error.expected=Variant::STRING; r_ret=Variant(); return; } Ref fr = memnew( FuncRef); fr->set_instance(*p_args[0]); fr->set_function(*p_args[1]); r_ret=fr; } break; case TYPE_CONVERT: { VALIDATE_ARG_COUNT(2); VALIDATE_ARG_NUM(1); int type=*p_args[1]; if (type<0 || type>=Variant::VARIANT_MAX) { r_ret=RTR("Invalid type argument to convert(), use TYPE_* constants."); r_error.error=Variant::CallError::CALL_ERROR_INVALID_ARGUMENT; r_error.argument=0; r_error.expected=Variant::INT; return; } else { r_ret=Variant::construct(Variant::Type(type),p_args,1,r_error); } } break; case TYPE_OF: { VALIDATE_ARG_COUNT(1); r_ret = p_args[0]->get_type(); } break; case TYPE_EXISTS: { VALIDATE_ARG_COUNT(1); r_ret = ClassDB::class_exists(*p_args[0]); } break; case TEXT_CHAR: { VALIDATE_ARG_COUNT(1); VALIDATE_ARG_NUM(0); CharType result[2] = {*p_args[0], 0}; r_ret=String(result); } break; case TEXT_STR: { String str; for(int i=0;ioperator String();; if (i==0) str=os; else str+=os; } r_ret=str; } break; case TEXT_PRINT: { String str; for(int i=0;ioperator String(); } //str+="\n"; print_line(str); r_ret=Variant(); } break; case TEXT_PRINT_TABBED: { String str; for(int i=0;ioperator String(); } //str+="\n"; print_line(str); r_ret=Variant(); } break; case TEXT_PRINT_SPACED: { String str; for(int i=0;ioperator String(); } //str+="\n"; print_line(str); r_ret=Variant(); } break; case TEXT_PRINTERR: { String str; for(int i=0;ioperator String(); } //str+="\n"; OS::get_singleton()->printerr("%s\n",str.utf8().get_data()); r_ret=Variant(); } break; case TEXT_PRINTRAW: { String str; for(int i=0;ioperator String(); } //str+="\n"; OS::get_singleton()->print("%s",str.utf8().get_data()); r_ret=Variant(); } break; case VAR_TO_STR: { VALIDATE_ARG_COUNT(1); String vars; VariantWriter::write_to_string(*p_args[0],vars); r_ret=vars; } break; case STR_TO_VAR: { VALIDATE_ARG_COUNT(1); if (p_args[0]->get_type()!=Variant::STRING) { r_error.error=Variant::CallError::CALL_ERROR_INVALID_ARGUMENT; r_error.argument=0; r_error.expected=Variant::STRING; r_ret=Variant(); return; } VariantParser::StreamString ss; ss.s=*p_args[0]; String errs; int line; Error err = VariantParser::parse(&ss,r_ret,errs,line); if (err!=OK) { r_error.error=Variant::CallError::CALL_ERROR_INVALID_ARGUMENT; r_error.argument=0; r_error.expected=Variant::STRING; r_ret="Parse error at line "+itos(line)+": "+errs; return; } } break; case VAR_TO_BYTES: { VALIDATE_ARG_COUNT(1); PoolByteArray barr; int len; Error err = encode_variant(*p_args[0],NULL,len); if (err) { r_error.error=Variant::CallError::CALL_ERROR_INVALID_ARGUMENT; r_error.argument=0; r_error.expected=Variant::NIL; r_ret="Unexpected error encoding variable to bytes, likely unserializable type found (Object or RID)."; return; } barr.resize(len); { PoolByteArray::Write w = barr.write(); encode_variant(*p_args[0],w.ptr(),len); } r_ret=barr; } break; case BYTES_TO_VAR: { VALIDATE_ARG_COUNT(1); if (p_args[0]->get_type()!=Variant::POOL_BYTE_ARRAY) { r_error.error=Variant::CallError::CALL_ERROR_INVALID_ARGUMENT; r_error.argument=0; r_error.expected=Variant::POOL_BYTE_ARRAY; r_ret=Variant(); return; } PoolByteArray varr=*p_args[0]; Variant ret; { PoolByteArray::Read r=varr.read(); Error err = decode_variant(ret,r.ptr(),varr.size(),NULL); if (err!=OK) { r_ret=RTR("Not enough bytes for decoding bytes, or invalid format."); r_error.error=Variant::CallError::CALL_ERROR_INVALID_ARGUMENT; r_error.argument=0; r_error.expected=Variant::POOL_BYTE_ARRAY; return; } } r_ret=ret; } break; case GEN_RANGE: { switch(p_arg_count) { case 0: { r_error.error=Variant::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS; r_error.argument=1; r_ret=Variant(); } break; case 1: { VALIDATE_ARG_NUM(0); int count=*p_args[0]; Array arr; if (count<=0) { r_ret=arr; return; } Error err = arr.resize(count); if (err!=OK) { r_error.error=Variant::CallError::CALL_ERROR_INVALID_METHOD; r_ret=Variant(); return; } for(int i=0;i=to) { r_ret=arr; return; } Error err = arr.resize(to-from); if (err!=OK) { r_error.error=Variant::CallError::CALL_ERROR_INVALID_METHOD; r_ret=Variant(); return; } for(int i=from;i=to && incr>0) { r_ret=arr; return; } if (from<=to && incr<0) { r_ret=arr; return; } //calculate how many int count=0; if (incr>0) { count=((to-from-1)/incr)+1; } else { count=((from-to-1)/-incr)+1; } Error err = arr.resize(count); if (err!=OK) { r_error.error=Variant::CallError::CALL_ERROR_INVALID_METHOD; r_ret=Variant(); return; } if (incr>0) { int idx=0; for(int i=from;ito;i+=incr) { arr[idx++]=i; } } r_ret=arr; } break; default: { r_error.error=Variant::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS; r_error.argument=3; r_ret=Variant(); } break; } } break; case RESOURCE_LOAD: { VALIDATE_ARG_COUNT(1); if (p_args[0]->get_type()!=Variant::STRING) { r_error.error=Variant::CallError::CALL_ERROR_INVALID_ARGUMENT; r_error.argument=0; r_error.expected=Variant::STRING; r_ret=Variant(); } else { r_ret=ResourceLoader::load(*p_args[0]); } } break; case INST2DICT: { VALIDATE_ARG_COUNT(1); if (p_args[0]->get_type()==Variant::NIL) { r_ret=Variant(); } else if (p_args[0]->get_type()!=Variant::OBJECT) { r_error.error=Variant::CallError::CALL_ERROR_INVALID_ARGUMENT; r_error.argument=0; r_ret=Variant(); } else { Object *obj = *p_args[0]; if (!obj) { r_ret=Variant(); } else if (!obj->get_script_instance() || obj->get_script_instance()->get_language()!=GDScriptLanguage::get_singleton()) { r_error.error=Variant::CallError::CALL_ERROR_INVALID_ARGUMENT; r_error.argument=0; r_error.expected=Variant::DICTIONARY; r_ret=RTR("Not a script with an instance"); return; } else { GDInstance *ins = static_cast(obj->get_script_instance()); Ref base = ins->get_script(); if (base.is_null()) { r_error.error=Variant::CallError::CALL_ERROR_INVALID_ARGUMENT; r_error.argument=0; r_error.expected=Variant::DICTIONARY; r_ret=RTR("Not based on a script"); return; } GDScript *p = base.ptr(); Vector sname; while(p->_owner) { sname.push_back(p->name); p=p->_owner; } sname.invert(); if (!p->path.is_resource_file()) { r_error.error=Variant::CallError::CALL_ERROR_INVALID_ARGUMENT; r_error.argument=0; r_error.expected=Variant::DICTIONARY; r_ret=Variant(); r_ret=RTR("Not based on a resource file"); return; } NodePath cp(sname,Vector(),false); Dictionary d; d["@subpath"]=cp; d["@path"]=p->path; p = base.ptr(); while(p) { for(Set::Element *E=p->members.front();E;E=E->next()) { Variant value; if (ins->get(E->get(),value)) { String k = E->get(); if (!d.has(k)) { d[k]=value; } } } p=p->_base; } r_ret=d; } } } break; case DICT2INST: { VALIDATE_ARG_COUNT(1); if (p_args[0]->get_type()!=Variant::DICTIONARY) { r_error.error=Variant::CallError::CALL_ERROR_INVALID_ARGUMENT; r_error.argument=0; r_error.expected=Variant::DICTIONARY; r_ret=Variant(); return; } Dictionary d = *p_args[0]; if (!d.has("@path")) { r_error.error=Variant::CallError::CALL_ERROR_INVALID_ARGUMENT; r_error.argument=0; r_error.expected=Variant::OBJECT; r_ret=RTR("Invalid instance dictionary format (missing @path)"); return; } Ref