Martin Michelsen
39 lines
1.1 KiB
C++
39 lines
1.1 KiB
C++
#pragma once
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#include <stdint.h>
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#include <memory>
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#include <string>
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#include <random>
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class RareItemSet {
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public:
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struct Table {
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// TODO: It looks like this structure can actually vary. We see the offsets
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// 0194 and 01B2 in the unused section, along with the value 1E (number of
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// box rares). In PSOGC, these all appear to be the same size/format, but
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// that's probably not strictly required to be the case.
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// 0x280 in size; describes one difficulty, section ID, and episode
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struct Drop {
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uint8_t probability;
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uint8_t item_code[3];
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} __attribute__((packed));
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Drop monster_rares[0x65]; // 0000 - 0194 in file
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uint8_t box_areas[0x1E]; // 0194 - 01B2 in file
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Drop box_rares[0x1E]; // 01B2 - 022A in file
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uint8_t unused[0x56];
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} __attribute__((packed));
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RareItemSet(std::shared_ptr<const std::string> data);
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const Table& get_table(uint8_t episode, uint8_t difficulty, uint8_t secid) const;
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static bool sample(std::mt19937& rand, uint8_t probability);
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private:
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std::shared_ptr<const std::string> data;
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const Table* tables;
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};
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