#include "system/stacktrace.h"
#include "cursor.h"
#include "game.h"

int cursor_render(const Cursor *cursor, SDL_Renderer *renderer)
{
    trace_assert(cursor);
    trace_assert(renderer);

    int cursor_x, cursor_y;
    SDL_GetMouseState(&cursor_x, &cursor_y);
    cursor_x = (int) ((float) cursor_x * get_display_scale());
    cursor_y = (int) ((float) cursor_y * get_display_scale());

    const SDL_Rect src = {0, 0, CURSOR_ICON_WIDTH, CURSOR_ICON_HEIGHT};
    const SDL_Rect dest = {
        cursor_x - cursor_style_tex_pivots[cursor->style][0],
        cursor_y - cursor_style_tex_pivots[cursor->style][1],
        CURSOR_ICON_WIDTH,
        CURSOR_ICON_HEIGHT
    };

    if (SDL_RenderCopy(
            renderer,
            cursor->texs[cursor->style],
            &src, &dest) < 0) {
        return -1;
    }

    return 0;
}