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95 lines
2.4 KiB
C++
95 lines
2.4 KiB
C++
#ifndef OPENMW_ESM_COMMON_H
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#define OPENMW_ESM_COMMON_H
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#include <string>
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#include <cstring>
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#include <stdint.h>
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#include <libs/platform/string.h>
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namespace ESM
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{
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enum Version
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{
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VER_12 = 0x3f99999a,
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VER_13 = 0x3fa66666
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};
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/* A structure used for holding fixed-length strings. In the case of
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LEN=4, it can be more efficient to match the string as a 32 bit
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number, therefore the struct is implemented as a union with an int.
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*/
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template <int LEN>
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union NAME_T
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{
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char name[LEN];
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int32_t val;
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bool operator==(const char *str) const
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{
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for(int i=0; i<LEN; i++)
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if(name[i] != str[i]) return false;
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else if(name[i] == 0) return true;
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return str[LEN] == 0;
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}
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bool operator!=(const char *str) const { return !((*this)==str); }
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bool operator==(const std::string &str) const
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{
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return (*this) == str.c_str();
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}
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bool operator!=(const std::string &str) const { return !((*this)==str); }
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bool operator==(int v) const { return v == val; }
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bool operator!=(int v) const { return v != val; }
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std::string toString() const { return std::string(name, strnlen(name, LEN)); }
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void assign (const std::string& value) { std::strncpy (name, value.c_str(), LEN); }
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};
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typedef NAME_T<4> NAME;
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typedef NAME_T<32> NAME32;
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typedef NAME_T<64> NAME64;
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typedef NAME_T<256> NAME256;
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#pragma pack(push)
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#pragma pack(1)
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// Data that is only present in save game files
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struct SaveData
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{
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float pos[6]; // Player position and rotation
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NAME64 cell; // Cell name
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float unk2; // Unknown value - possibly game time?
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NAME32 player; // Player name
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};
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#pragma pack(pop)
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/* This struct defines a file 'context' which can be saved and later
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restored by an ESMReader instance. It will save the position within
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a file, and when restored will let you read from that position as
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if you never left it.
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*/
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struct ESM_Context
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{
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std::string filename;
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uint32_t leftRec, leftSub;
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size_t leftFile;
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NAME recName, subName;
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// When working with multiple esX files, we will generate lists of all files that
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// actually contribute to a specific cell. Therefore, we need to store the index
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// of the file belonging to this contest. See CellStore::(list/load)refs for details.
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int index;
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// True if subName has been read but not used.
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bool subCached;
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// File position. Only used for stored contexts, not regularly
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// updated within the reader itself.
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size_t filePos;
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};
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}
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#endif
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