// src/render/player_positioning.cpp
#include "player_positioning.h"
#include <cstdio>

// Convert a pivot coordinate (bottom-left) to the top-left draw position
PlayerPosition get_aligned_frame_position(PlayerPosition base, int frame_index) {
    if (frame_index < 0 || frame_index >= PLAYER_FRAME_COUNT)
        frame_index = 0;

    int sprite_height = 0;
    if (frame_index == 0)
        sprite_height = PLAYER_MASK_LINES_FRAME_1;
    else if (frame_index == 1)
        sprite_height = PLAYER_MASK_LINES_FRAME_2;
    else
        sprite_height = PLAYER_MASK_LINES_FRAME_3;

    // The X coordinate stays the same (left edge aligned)
    // The Y coordinate moves upward by the sprite height,
    // because the pivot is bottom-left, but rendering starts from top-left
    PlayerPosition draw_pos;
    draw_pos.x = base.x;
    draw_pos.y = base.y - sprite_height + 1;  // align to feet baseline
    return draw_pos;
}