package game

import rl "vendor:raylib"

// ------------------------------------------------------------------------------
// Input Manager, captures input events and stores them into a struct.
// Passing the struct down allows for components to use inputs independently 
// ------------------------------------------------------------------------------

Input_Event :: struct {
    // Continuous movement normalized 
    move_dir:        rl.Vector2,

    // single frame actions UI and triggers
    up_pressed:      bool,
    down_pressed:    bool,
    confirm_pressed: bool,
    pause_pressed:   bool,
}

poll_input :: proc() -> Input_Event {
    input_event := Input_Event{}
    input_dir := rl.Vector2{0, 0}

    // --------------------------------------------------------------------------
    // Continuous Input ie movement code
    // --------------------------------------------------------------------------
    if rl.IsKeyDown(.W) || rl.IsKeyDown(.UP)   { input_dir.y -= 1 }
    if rl.IsKeyDown(.S) || rl.IsKeyDown(.DOWN) { input_dir.y += 1 }

    if input_dir.x != 0 || input_dir.y != 0 {
        input_dir = rl.Vector2Normalize(input_dir)
    }
    input_event.move_dir = input_dir

    // --------------------------------------------------------------------------
    // actions single press ie menu navigation etc
    // --------------------------------------------------------------------------
    input_event.up_pressed      = rl.IsKeyPressed(.W) || rl.IsKeyPressed(.UP)
    input_event.down_pressed    = rl.IsKeyPressed(.S) || rl.IsKeyPressed(.DOWN)
    input_event.confirm_pressed = rl.IsKeyPressed(.ENTER) || rl.IsKeyPressed(.SPACE)
    input_event.pause_pressed   = rl.IsKeyPressed(.P)

    return input_event
}