GBALATRO/balatro-gba

Use size instead of top in all stacks (played, hand, discard, etc.)

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#573 opened on Jun 24, 2026

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Refactorgood first issue

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Description

The mix of size and top really makes things confusing and error prone and it's probably better to only use size and not use top. Using size is more standard and it will decouple the data structure implementation from its use. This can be done as part of #498.

Originally posted by @MeirGavish in #570

Contributor guide

Research direction
Identify all stack related data structures and replace 'top' field with 'size' in struct definitions and associated functions. Ensure consistency across all stacks (played, hand, discard, etc.) and update any dependent code.
Tech stack
c
Domain
game dev
Issue type
Refactor
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
Half day
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Mostly clear
Prerequisites
Cbasic data structures
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
60