message.h

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#pragma once
 
#include "system_consts.h"
#include <string>
#include <cstdint>
 
// Message struct in the global namespace. ECS-first event architecture with domain routing.
// Generic payload fields support input events and other event types without platform dependencies.
struct Message
{
    EventType msg_type = EventType::Olympe_EventType_Any; // message identifier (transition: kept for compatibility)
    EventDomain domain = EventDomain::Gameplay; // domain for routing to appropriate systems
 
    uint64_t targetUid = 0; // target object UID for operations (create/destroy/add property)
 
    // Generic integer / float payload fields. For input events these are used as:
    //  - deviceId : joystick instance id, keyboard id (-1), mouse id
    //  - controlId: button index or axis index or scancode
    //  - state    : button pressed (1) / released (0) or other integer state
    //  - param1   : axis value normalized to [-1,1] or primary float payload
    //  - param2   : secondary float payload (e.g. mouse Y coordinate)
    int deviceId = -1;
    int controlId = -1;
    int state = 0;
    float param1 = 0.0f;
    float param2 = 0.0f;
 
    static Message Create(
        EventType _ev_t,
        EventDomain _domain,
        int _d_id = -1,
        int _c_id = -1, 
        uint64_t _t_uid = 0
    )
    {
        Message msg;
        msg.msg_type = _ev_t;
        msg.domain = _domain;
        msg.deviceId = _d_id;
        msg.controlId = _c_id;
        msg.targetUid = _t_uid;
        return msg;
    }
};