51 lines
2.0 KiB
GDScript
51 lines
2.0 KiB
GDScript
class_name CombatSystem extends Node
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func create_proposal(attacker: Unit, defender: Unit) -> CombatProposal:
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var proposal := CombatProposal.new()
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proposal.attacker = _snapshot(attacker, defender)
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proposal.defender = _snapshot(defender, attacker)
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return proposal
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func _snapshot(unit: Unit, opponent: Unit) -> CombatProposal.CombatantStats:
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var stats := CombatProposal.CombatantStats.new()
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stats.unit = unit
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stats.hp = unit.current_stats.current_hp
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stats.sp = unit.current_stats.current_sp
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stats.hit = unit.current_stats.hit - opponent.current_stats.eva
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stats.atk = unit.current_stats.phys_atk
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stats.def = unit.current_stats.phys_def
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stats.spd = unit.current_stats.spd
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return stats
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func process_combat(attacker: Unit, defender: Unit) -> void:
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var proposal := create_proposal(attacker, defender)
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var atk_name := attacker.current_info.name
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var def_name := defender.current_info.name
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print("=== Combat: %s vs %s ===" % [atk_name, def_name])
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print(" %s — HP:%d ATK:%d DEF:%d HIT:%d" % [atk_name, proposal.attacker.hp, proposal.attacker.atk, proposal.attacker.def, proposal.attacker.hit])
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print(" %s — HP:%d ATK:%d DEF:%d HIT:%d" % [def_name, proposal.defender.hp, proposal.defender.atk, proposal.defender.def, proposal.defender.hit])
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apply_proposal(proposal)
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print(" Result: %s HP=%d, %s HP=%d" % [atk_name, attacker.current_stats.current_hp, def_name, defender.current_stats.current_hp])
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func apply_proposal(proposal: CombatProposal) -> void:
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var atk_stats := proposal.attacker
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var def_stats := proposal.defender
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var atk_unit := atk_stats.unit
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var def_unit := def_stats.unit
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# Attacker strikes
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var atk_roll := randi_range(1, 100)
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if atk_roll <= atk_stats.hit:
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var damage := maxi(atk_stats.atk - def_stats.def, 0)
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def_unit.current_stats.current_hp -= damage
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# Counterattack if defender survives
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if def_unit.current_stats.current_hp > 0:
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var def_roll := randi_range(1, 100)
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if def_roll <= def_stats.hit:
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var damage := maxi(def_stats.atk - atk_stats.def, 0)
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atk_unit.current_stats.current_hp -= damage
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