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Implemented various ammounts of struct functions #244

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Implemented various ammounts of struct functions
3454ytdcgw546evue56jurt Jun 18, 2026
9d7b6ce
Merge branch 'ButterscotchRunner:main' into main
3454ytdcgw546evue56jurt Jun 19, 2026
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104 changes: 104 additions & 0 deletions src/vm_builtins.c
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Original file line number Diff line number Diff line change
Expand Up @@ -3931,6 +3931,99 @@ static RValue builtin_struct_get_names(VMContext* ctx, RValue* args, int32_t arg
return RValue_makeArray(array);
}

// ===[ STRUCT FUNCTIONS ]===
static RValue builtin_struct_exists(VMContext* ctx, RValue* args, int32_t argCount)
{
if(argCount < 2 || args[0].type != RVALUE_STRUCT || args[0].structInst == nullptr || args[1].type != RVALUE_STRING) {return RValue_makeBool(false);}

bool exists = variableScopedGet(ctx,args[0].structInst->instanceId,args[1].string,true,"struct_exists").type != RVALUE_UNDEFINED;

return RValue_makeBool(exists);
}

static RValue builtin_struct_get(VMContext* ctx, RValue* args, int32_t argCount)
{
if(argCount < 2 || args[0].type != RVALUE_STRUCT || args[0].structInst == nullptr || args[1].type != RVALUE_STRING) {return RValue_makeUndefined();}

RValue Struct_Valriable = variableScopedGet(ctx,args[0].structInst->instanceId,args[1].string,true,"struct_get");

return Struct_Valriable;
}

static RValue builtin_struct_set(VMContext* ctx, RValue* args, int32_t argCount)
{
if(argCount < 3 || args[0].type != RVALUE_STRUCT || args[0].structInst == nullptr || args[1].type != RVALUE_STRING) {return RValue_makeUndefined();}

variableScopedSet(ctx,args[0].structInst->instanceId,args[1].string,args[2],true,"struct_set");

return RValue_makeUndefined();
}

static RValue builtin_struct_names_count(VMContext* ctx, RValue* args, int32_t argCount)
{
if(argCount < 1 || args[0].type != RVALUE_STRUCT || args[0].structInst == nullptr) {return RValue_makeUndefined();}

uint32_t struct_names_count = args[0].structInst->selfVars.count;

return RValue_makeReal(struct_names_count);
}

static RValue builtin_struct_remove(VMContext* ctx, RValue* args, int32_t argCount){
if(argCount < 2 || args[0].type != RVALUE_STRUCT || args[0].structInst == nullptr || args[1].type != RVALUE_STRING) {return RValue_makeUndefined();}

//Avoiding creating a new entry when removing variable from struct
if(variableScopedGet(ctx,args[0].structInst->instanceId,args[1].string,true,"struct_exists").type == RVALUE_UNDEFINED)
{
return RValue_makeUndefined();
}

variableScopedSet(ctx,args[0].structInst->instanceId,args[1].string,RValue_makeUndefined(),true,"struct_set");

return RValue_makeUndefined();
}

//Hash struct functions
static RValue builtin_struct_get_from_hash(VMContext* ctx, RValue* args, int32_t argCount)
{
if(argCount < 2 || args[0].type != RVALUE_STRUCT || args[0].structInst == nullptr || args[1].type != RVALUE_REAL) {return RValue_makeUndefined();}

RValue Struct_Valriable = Instance_getSelfVar(args[0].structInst,args[1].real);

return Struct_Valriable;
}

static RValue builtin_struct_set_from_hash(VMContext* ctx, RValue* args, int32_t argCount)
{
if(argCount < 3 || args[0].type != RVALUE_STRUCT || args[0].structInst == nullptr || args[1].type != RVALUE_REAL) {return RValue_makeUndefined();}

Instance_setSelfVar(args[0].structInst,args[1].real,args[2]);

return RValue_makeUndefined();
}

static RValue builtin_struct_exists_from_hash(VMContext* ctx, RValue* args, int32_t argCount)
{
if(argCount < 2 || args[0].type != RVALUE_STRUCT || args[0].structInst == nullptr || args[1].type != RVALUE_REAL) {return RValue_makeBool(false);}

bool exists = Instance_getSelfVar(args[0].structInst,args[1].real).type != RVALUE_UNDEFINED;

return RValue_makeBool(exists);
}

static RValue builtin_struct_remove_from_hash(VMContext* ctx, RValue* args, int32_t argCount) {
if(argCount < 2 || args[0].type != RVALUE_STRUCT || args[0].structInst == nullptr || args[1].type != RVALUE_REAL) {return RValue_makeUndefined();}

//Avoiding creating a new entry when removing variable from struct
if(Instance_getSelfVar(args[0].structInst,args[1].real).type == RVALUE_UNDEFINED)
{
return RValue_makeUndefined();
}

Instance_setSelfVar(args[0].structInst,args[1].real,RValue_makeUndefined());

return RValue_makeUndefined();
}

// ===[ METHOD ]===

#if IS_WAD17_OR_HIGHER_ENABLED
Expand Down Expand Up @@ -15528,6 +15621,17 @@ void VMBuiltins_registerAll(VMContext* ctx) {
VM_registerBuiltin(ctx, "variable_instance_get_names", builtin_struct_get_names); // I couldn't find any noticeable different behavior when testing this
VM_registerBuiltin(ctx, "variable_struct_get_names", builtin_struct_get_names); // Deprecated variant of struct_get_names (https://github.com/YoYoGames/GameMaker-Bugs/issues/6105)

//struct
VM_registerBuiltin(ctx, "struct_exists", builtin_struct_exists);
VM_registerBuiltin(ctx, "struct_get", builtin_struct_get);
VM_registerBuiltin(ctx, "struct_set", builtin_struct_set);
VM_registerBuiltin(ctx, "struct_names_count", builtin_struct_names_count);
VM_registerBuiltin(ctx, "struct_remove", builtin_struct_remove);
VM_registerBuiltin(ctx, "struct_get_from_hash", builtin_struct_get_from_hash);
VM_registerBuiltin(ctx, "struct_set_from_hash", builtin_struct_set_from_hash);
VM_registerBuiltin(ctx, "struct_exists_from_hash", builtin_struct_exists_from_hash);
VM_registerBuiltin(ctx, "struct_remove_from_hash", builtin_struct_remove_from_hash);

// Script
VM_registerBuiltin(ctx, "script_execute", builtin_script_execute);
#if IS_WAD17_OR_HIGHER_ENABLED
Expand Down