Martin Michelsen
299 lines
9.5 KiB
C++
299 lines
9.5 KiB
C++
#include "ItemParameterTable.hh"
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using namespace std;
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ItemParameterTable::ItemParameterTable(shared_ptr<const string> data)
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: data(data), r(*data) {
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size_t offset_table_offset = this->r.pget_u32l(this->data->size() - 0x10);
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this->offsets = &r.pget<TableOffsets>(offset_table_offset);
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}
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const ItemParameterTable::Weapon& ItemParameterTable::get_weapon(
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uint8_t data1_1, uint8_t data1_2) const {
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if (data1_1 >= 0xED) {
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throw runtime_error("weapon ID out of range");
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}
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const auto& co = this->r.pget<CountAndOffset>(
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this->offsets->weapon_table + sizeof(CountAndOffset) * data1_1);
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if (data1_2 >= co.count) {
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throw runtime_error("weapon ID out of range");
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}
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return this->r.pget<Weapon>(co.offset + sizeof(Weapon) * data1_2);
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}
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const ItemParameterTable::ArmorOrShield& ItemParameterTable::get_armor_or_shield(
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uint8_t data1_1, uint8_t data1_2) const {
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if ((data1_1 < 1) || (data1_1 > 2)) {
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throw runtime_error("armor/shield ID out of range");
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}
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const auto& co = this->r.pget<CountAndOffset>(
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this->offsets->armor_table + sizeof(CountAndOffset) * (data1_1 - 1));
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if (data1_2 >= co.count) {
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throw runtime_error("armor/shield ID out of range");
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}
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return this->r.pget<ArmorOrShield>(co.offset + sizeof(ArmorOrShield) * data1_2);
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}
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const ItemParameterTable::Unit& ItemParameterTable::get_unit(
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uint8_t data1_2) const {
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const auto& co = this->r.pget<CountAndOffset>(this->offsets->unit_table);
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if (data1_2 >= co.count) {
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throw runtime_error("unit ID out of range");
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}
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return this->r.pget<Unit>(co.offset + sizeof(Unit) * data1_2);
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}
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const ItemParameterTable::Tool& ItemParameterTable::get_tool(
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uint8_t data1_1, uint8_t data1_2) const {
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if (data1_1 > 0x1A) {
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throw runtime_error("tool ID out of range");
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}
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const auto& co = this->r.pget<CountAndOffset>(
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this->offsets->tool_table + sizeof(CountAndOffset) * data1_1);
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if (data1_2 >= co.count) {
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throw runtime_error("tool ID out of range");
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}
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return this->r.pget<Tool>(co.offset + sizeof(Tool) * data1_2);
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}
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pair<uint8_t, uint8_t> ItemParameterTable::find_tool_by_class(
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uint8_t tool_class) const {
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const auto& cos = this->r.pget<parray<CountAndOffset, 0x18>>(
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this->offsets->tool_table);
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for (size_t z = 0; z < cos.size(); z++) {
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const auto& co = cos[z];
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const auto* defs = &this->r.pget<Tool>(co.offset, sizeof(Tool) * co.count);
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for (size_t y = 0; y < co.count; y++) {
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if (defs[y].base.id == tool_class) {
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return make_pair(z, y);
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}
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}
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}
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throw runtime_error("invalid tool class");
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}
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const ItemParameterTable::Mag& ItemParameterTable::get_mag(
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uint8_t data1_1) const {
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const auto& co = this->r.pget<CountAndOffset>(this->offsets->mag_table);
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if (data1_1 >= co.count) {
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throw runtime_error("unit ID out of range");
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}
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return this->r.pget<Mag>(co.offset + sizeof(Mag) * data1_1);
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}
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float ItemParameterTable::get_sale_divisor(uint8_t data1_0, uint8_t data1_1) const {
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if (data1_0 == 0) { // Weapon
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if (data1_1 < 0xED) {
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return this->r.pget_f32l(
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this->offsets->weapon_sale_divisor_table + data1_1 * sizeof(float));
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}
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return 0.0f;
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}
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const auto& divisors = this->r.pget<NonWeaponSaleDivisors>(
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this->offsets->sale_divisor_table);
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if (data1_0 == 1) {
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switch (data1_1) {
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case 1:
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return divisors.armor_divisor;
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case 2:
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return divisors.shield_divisor;
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case 3:
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return divisors.unit_divisor;
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}
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return 0.0f;
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}
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if (data1_0 == 2) {
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return divisors.mag_divisor;
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}
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return 0.0f;
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}
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uint8_t ItemParameterTable::get_item_stars(uint16_t slot) const {
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if ((slot >= 0xB1) && (slot < 0x437)) {
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return this->r.pget_u8(this->offsets->star_value_table + slot - 0xB1);
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}
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return 0;
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}
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uint8_t ItemParameterTable::get_special_stars(uint8_t det) const {
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if (!(det & 0x3F) || (det & 0x80)) {
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return 0;
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}
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// Note: PSO GC uses 0x1CB here. 0x256 was chosen to point to the same data in
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// PSO BB's ItemPMT file.
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return this->get_item_stars(det + 0x0256);
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}
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uint8_t ItemParameterTable::get_max_tech_level(uint8_t char_class, uint8_t tech_num) const {
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if (char_class >= 12) {
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throw runtime_error("invalid character class");
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}
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if (tech_num >= 19) {
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throw runtime_error("invalid technique number");
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}
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return r.pget_u8(this->offsets->max_tech_level_table + tech_num * 12 + char_class);
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}
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const ItemParameterTable::ItemBase& ItemParameterTable::get_item_definition(
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const ItemData& item) const {
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switch (item.data1[0]) {
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case 0:
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return this->get_weapon(item.data1[1], item.data1[2]).base;
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case 1:
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if (item.data1[1] == 3) {
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return this->get_unit(item.data1[2]).base;
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} else if ((item.data1[1] == 1) || (item.data1[1] == 2)) {
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return this->get_armor_or_shield(item.data1[1], item.data1[2]).base;
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}
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throw runtime_error("invalid item");
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case 2:
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return this->get_mag(item.data1[1]).base;
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case 3:
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if (item.data1[1] == 2) {
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return this->get_tool(2, item.data1[4]).base;
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} else {
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return this->get_tool(item.data1[1], item.data1[2]).base;
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}
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throw logic_error("this should be impossible");
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case 4:
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throw runtime_error("item is meseta and therefore has no definition");
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default:
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throw runtime_error("invalid item");
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}
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}
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uint8_t ItemParameterTable::get_item_base_stars(const ItemData& item) const {
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if (item.data1[0] == 2) {
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return (item.data1[1] > 0x27) ? 12 : 0;
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} else if (item.data1[0] < 2) {
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return this->get_item_stars(this->get_item_definition(item).id);
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} else if (item.data1[0] == 3) {
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const auto& def = (item.data1[1] == 2)
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? this->get_tool(2, item.data1[4])
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: this->get_tool(item.data1[1], item.data1[2]);
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return (def.item_flag & 0x80) ? 12 : 0;
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} else {
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return 0;
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}
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}
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uint8_t ItemParameterTable::get_item_adjusted_stars(const ItemData& item) const {
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uint8_t ret = this->get_item_base_stars(item);
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if (item.data1[0] == 0) {
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if (ret < 9) {
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if (!(item.data1[4] & 0x80)) {
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ret += this->get_special_stars(item.data1[4]);
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}
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} else if (item.data1[4] & 0x80) {
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ret = 0;
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}
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} else if (item.data1[0] == 1) {
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if (item.data1[1] == 3) {
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int16_t unit_bonus = item.get_unit_bonus();
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if (unit_bonus < 0) {
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ret--;
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} else if (unit_bonus > 0) {
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ret++;
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}
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}
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}
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return min<uint8_t>(ret, 12);
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}
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bool ItemParameterTable::is_item_rare(const ItemData& item) const {
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return (this->get_item_base_stars(item) >= 9);
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}
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bool ItemParameterTable::is_unsealable_item(const ItemData& item) const {
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const auto& co = this->r.pget<CountAndOffset>(this->offsets->unsealable_table);
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const auto* defs = &this->r.pget<UnsealableItem>(
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co.offset, co.count * sizeof(UnsealableItem));
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for (size_t z = 0; z < co.count; z++) {
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if ((defs[z].item[0] == item.data1[0]) &&
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(defs[z].item[1] == item.data1[1]) &&
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(defs[z].item[2] == item.data1[2])) {
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return true;
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}
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}
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return false;
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}
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size_t ItemParameterTable::price_for_item(const ItemData& item) const {
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switch (item.data1[0]) {
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case 0: {
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if (item.data1[4] & 0x80) {
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return 8;
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}
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if (this->is_item_rare(item)) {
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return 80;
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}
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float sale_divisor = this->get_sale_divisor(item.data1[0], item.data1[1]);
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if (sale_divisor == 0.0) {
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throw runtime_error("item sale divisor is zero");
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}
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const auto& def = this->get_weapon(item.data1[1], item.data1[2]);
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double atp_max = def.atp_max + item.data1[3];
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double atp_factor = ((atp_max * atp_max) / sale_divisor);
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double bonus_factor = 0.0;
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for (size_t bonus_index = 0; bonus_index < 3; bonus_index++) {
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uint8_t bonus_type = item.data1[(2 * bonus_index) + 6];
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if ((bonus_type > 0) && (bonus_type < 6)) {
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bonus_factor += item.data1[(2 * bonus_index) + 7];
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}
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bonus_factor += 100.0;
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}
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size_t special_stars = this->get_special_stars(item.data1[4]);
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double special_stars_factor = 1000.0 * special_stars * special_stars;
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return special_stars_factor + (atp_factor * (bonus_factor / 100.0));
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}
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case 1: {
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if (this->is_item_rare(item)) {
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return 80;
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}
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if (item.data1[1] == 3) { // Unit
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return this->get_item_adjusted_stars(item) * this->get_sale_divisor(item.data1[0], 3);
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}
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double sale_divisor = (double)this->get_sale_divisor(item.data1[0], item.data1[1]);
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if (sale_divisor == 0.0) {
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throw runtime_error("item sale divisor is zero");
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}
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int16_t def_bonus = item.get_armor_or_shield_defense_bonus();
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int16_t evp_bonus = item.get_common_armor_evasion_bonus();
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const auto& def = this->get_armor_or_shield(item.data1[1], item.data1[2]);
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double power_factor = def.dfp + def.evp + def_bonus + evp_bonus;
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double power_factor_floor = static_cast<int32_t>((power_factor * power_factor) / sale_divisor);
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return power_factor_floor + (70.0 *
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static_cast<double>(item.data1[5] + 1) *
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static_cast<double>(def.required_level + 1));
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}
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case 2:
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return (item.data1[2] + 1) * this->get_sale_divisor(2, item.data1[1]);
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case 3: {
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const auto& def = this->get_tool(item.data1[1], item.data1[2]);
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return def.cost * ((item.data1[1] == 2) ? (item.data1[2] + 1) : 1);
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}
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case 4:
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return item.data2d;
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default:
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throw runtime_error("invalid item");
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}
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throw logic_error("this should be impossible");
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}
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