libgm 0.5.0

A tool for modding, unpacking and decompiling GameMaker games
Documentation 
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//! Deltarune Demo: 1&2 demo before LTS
//! Chapter: 1, 2
//! 2021-09-17 to 2025-06-05

use crate::gml::assembly::assemble_instruction;
use crate::gml::instruction::InstanceType;
use crate::gml::instruction::Instruction;
use crate::prelude::*;

pub fn toggle(data: &mut GMData, enable: bool) -> Result<()> {
    // Modify SCR_GAMESTART
    let code_ref = data.scripts.code_ref_by_name("SCR_GAMESTART")?;
    super::replace_debug(data, code_ref, enable, InstanceType::Global)?;

    // Modify obj_debugcontroller Creation
    let code_ref = data
        .codes
        .ref_by_name("gml_Object_obj_debugcontroller_ch1_Create_0")?;
    super::replace_debug(data, code_ref, enable, InstanceType::Self_)?;

    // Modify obj_debugProfiler Creation
    let instructions = if enable {
        let pushim = Instruction::PushImmediate { integer: 0 };
        let pop = assemble_instruction("pop.v.i self.cutsceneshow", data)?;
        vec![pushim, pop]
    } else {
        vec![]
    };
    let code = data
        .codes
        .by_name_mut("gml_Object_obj_debugProfiler_Create_0")?;
    code.instructions = instructions;
    // I am currently not checking the instruction count, unlike the original "UTDR
    // Scripts/Debug.csx". If there are issues, lmk

    Ok(())
}