Martin Michelsen
187 lines
7.3 KiB
C++
187 lines
7.3 KiB
C++
#pragma once
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#include <memory>
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#include "CommonItemSet.hh"
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#include "ItemParameterTable.hh"
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#include "PSOEncryption.hh"
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#include "RareItemSet.hh"
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#include "StaticGameData.hh"
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struct ItemDropSub {
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uint8_t override_area;
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};
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class ItemCreator {
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public:
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struct Restrictions {
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// Note: In the original code, this is actually the battle rules structure.
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// We omit some fields here because the item creator doesn't need them.
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enum class TechDiskMode {
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ON = 0,
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OFF = 1,
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LIMIT_LEVEL = 2,
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};
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enum class WeaponAndArmorMode {
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// Note: These names match the value names in TPlyPKEditor
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ALL_ON = 0,
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ONLY_PICKING = 1,
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ALL_OFF = 2,
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NO_RARE = 3,
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};
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enum class ToolMode {
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// Note: These names match the value names in TPlyPKEditor
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ALL_ON = 0,
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ONLY_PICKING = 1,
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ALL_OFF = 2,
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};
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enum class MesetaDropMode {
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// Note: These names match the value names in TPlyPKEditor
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ON = 0,
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OFF = 1,
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ONLY_PICKING = 2,
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};
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TechDiskMode tech_disk_mode;
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WeaponAndArmorMode weapon_and_armor_mode;
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bool forbid_mags;
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ToolMode tool_mode;
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MesetaDropMode meseta_drop_mode;
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bool forbid_scape_dolls;
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uint8_t max_tech_disk_level; // 0xFF = no maximum
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};
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ItemCreator(
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std::shared_ptr<const CommonItemSet> common_item_set,
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std::shared_ptr<const RareItemSet> rare_item_set,
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std::shared_ptr<const ArmorRandomSet> armor_random_set,
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std::shared_ptr<const ToolRandomSet> tool_random_set,
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std::shared_ptr<const WeaponRandomSet> weapon_random_set,
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std::shared_ptr<const ItemParameterTable> item_parameter_table,
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Episode episode,
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GameMode mode,
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uint8_t difficulty,
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uint8_t section_id,
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uint32_t random_seed,
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std::shared_ptr<const Restrictions> restrictions = nullptr);
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~ItemCreator() = default;
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ItemData on_monster_item_drop(uint32_t enemy_type, uint8_t area);
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ItemData on_box_item_drop(uint8_t area);
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std::vector<ItemData> generate_armor_shop_contents(size_t player_level);
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std::vector<ItemData> generate_tool_shop_contents(size_t player_level);
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std::vector<ItemData> generate_weapon_shop_contents(size_t player_level);
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private:
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PrefixedLogger log;
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Episode episode;
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GameMode mode;
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uint8_t difficulty;
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uint8_t section_id;
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std::shared_ptr<const CommonItemSet> common_item_set;
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std::shared_ptr<const RareItemSet> rare_item_set;
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std::shared_ptr<const ArmorRandomSet> armor_random_set;
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std::shared_ptr<const ToolRandomSet> tool_random_set;
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std::shared_ptr<const WeaponRandomSet> weapon_random_set;
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std::shared_ptr<const ItemParameterTable> item_parameter_table;
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const CommonItemSet::Table<true>* pt;
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const RareItemSet::Table* rt;
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std::shared_ptr<const Restrictions> restrictions;
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std::shared_ptr<ItemDropSub> item_drop_sub;
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parray<uint8_t, 0x88> unit_weights_table1;
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parray<int8_t, 0x0D> unit_weights_table2;
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// Note: The original implementation uses 17 different random states for some
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// reason. We forego that and use only one for simplicity.
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PSOV2Encryption random_crypt;
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bool are_rare_drops_allowed() const;
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uint8_t normalize_area_number(uint8_t area) const;
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ItemData on_monster_item_drop_with_norm_area(
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uint32_t enemy_type, uint8_t norm_area);
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ItemData on_box_item_drop_with_norm_area(uint8_t area_norm);
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uint32_t rand_int(uint64_t max);
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float rand_float_0_1_from_crypt();
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template <size_t NumRanges>
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uint32_t choose_meseta_amount(
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const parray<CommonItemSet::Range<be_uint16_t>, NumRanges> ranges,
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size_t table_index);
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bool should_allow_meseta_drops() const;
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ItemData check_rare_spec_and_create_rare_enemy_item(uint32_t enemy_type);
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ItemData check_rare_specs_and_create_rare_box_item(uint8_t area_norm);
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ItemData check_rate_and_create_rare_item(
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const RareItemSet::Table::Drop& drop);
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void generate_rare_weapon_bonuses(ItemData& item, uint32_t random_sample);
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void deduplicate_weapon_bonuses(ItemData& item) const;
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void set_item_kill_count_if_unsealable(ItemData& item) const;
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void set_item_unidentified_flag_if_challenge(ItemData& item) const;
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void set_tool_item_amount_to_1(ItemData& item) const;
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void generate_common_item_variances(uint32_t norm_area, ItemData& item);
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void generate_common_armor_slots_and_bonuses(ItemData& item);
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void generate_common_armor_slot_count(ItemData& item);
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void generate_common_armor_or_shield_type_and_variances(
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char area_norm, ItemData& item);
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void generate_common_tool_variances(uint32_t area_norm, ItemData& item);
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uint8_t generate_tech_disk_level(uint32_t tech_num, uint32_t area_norm);
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void generate_common_tool_type(uint8_t tool_class, ItemData& item) const;
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void generate_common_mag_variances(ItemData& item) const;
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void generate_common_weapon_variances(uint8_t area_norm, ItemData& item);
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void generate_common_weapon_grind(ItemData& item,
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uint8_t offset_within_subtype_range);
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void generate_common_weapon_bonuses(ItemData& item, uint8_t area_norm);
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void generate_common_weapon_special(ItemData& item, uint8_t area_norm);
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uint8_t choose_weapon_special(uint8_t det);
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void generate_unit_weights_tables();
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void generate_common_unit_variances(uint8_t det, ItemData& item);
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void choose_tech_disk_level_for_tool_shop(
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ItemData& item, size_t player_level, uint8_t tech_num_index);
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static void clear_tool_item_if_invalid(ItemData& item);
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void clear_item_if_restricted(ItemData& item) const;
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static size_t get_table_index_for_armor_shop(size_t player_level);
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static bool shop_does_not_contain_duplicate_armor(
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const std::vector<ItemData>& shop, const ItemData& item);
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static bool shop_does_not_contain_duplicate_tech_disk(
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const std::vector<ItemData>& shop, const ItemData& item);
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static bool shop_does_not_contain_duplicate_or_too_many_similar_weapons(
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const std::vector<ItemData>& shop, const ItemData& item);
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static bool shop_does_not_contain_duplicate_item_by_primary_identifier(
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const std::vector<ItemData>& shop, const ItemData& item);
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void generate_armor_shop_armors(
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std::vector<ItemData>& shop, size_t player_level);
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void generate_armor_shop_shields(
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std::vector<ItemData>& shop, size_t player_level);
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void generate_armor_shop_units(
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std::vector<ItemData>& shop, size_t player_level);
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static size_t get_table_index_for_tool_shop(size_t player_level);
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void generate_common_tool_shop_recovery_items(
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std::vector<ItemData>& shop, size_t player_level);
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void generate_rare_tool_shop_recovery_items(
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std::vector<ItemData>& shop, size_t player_level);
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void generate_tool_shop_tech_disks(
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std::vector<ItemData>& shop, size_t player_level);
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void generate_weapon_shop_item_grind(ItemData& item, size_t player_level);
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void generate_weapon_shop_item_special(ItemData& item, size_t player_level);
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void generate_weapon_shop_item_bonus1(ItemData& item, size_t player_level);
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void generate_weapon_shop_item_bonus2(ItemData& item, size_t player_level);
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template <typename IntT>
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IntT get_rand_from_weighted_tables(
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const IntT* tables, size_t offset, size_t num_values, size_t stride);
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template <typename IntT, size_t X>
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IntT get_rand_from_weighted_tables_1d(const parray<IntT, X>& tables);
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template <typename IntT, size_t X, size_t Y>
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IntT get_rand_from_weighted_tables_2d_vertical(
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const parray<parray<IntT, X>, Y>& tables, size_t offset);
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};
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