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91 lines
2.5 KiB
C++
91 lines
2.5 KiB
C++
#ifndef _ESM_SCPT_H
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#define _ESM_SCPT_H
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#include "esm_reader.hpp"
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namespace ESM {
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/*
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* Script definitions
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*/
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class Script
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{
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public:
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struct SCHDstruct
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{
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/* Script name.
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NOTE: You should handle the name "Main" (case insensitive) with
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care. With tribunal, modders got the ability to add 'start
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scripts' to their mods, which is a script that is run at
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startup and which runs throughout the game (I think.)
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However, before Tribunal, there was only one startup script,
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called "Main". If mods wanted to make their own start scripts,
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they had to overwrite Main. This is obviously problem if
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multiple mods to this at the same time.
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Although most mods have switched to using Trib-style startup
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scripts, some legacy mods might still overwrite Main, and this
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can cause problems if several mods do it. I think the best
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course of action is to NEVER overwrite main, but instead add
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each with a separate unique name and add them to the start
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script list. But there might be other problems with this
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approach though.
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*/
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NAME32 name;
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// These describe the sizes we need to allocate for the script
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// data.
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int numShorts, numLongs, numFloats,
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scriptDataSize, stringTableSize;
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}; // 52 bytes
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SCHDstruct data;
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std::vector<std::string> varNames; // Variable names
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std::vector<char> scriptData; // Compiled bytecode
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std::string scriptText; // Uncompiled script
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void load(ESMReader &esm)
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{
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esm.getHNT(data, "SCHD", 52);
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// List of local variables
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if(esm.isNextSub("SCVR"))
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{
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int s = data.stringTableSize;
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char* tmp = new char[s];
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esm.getHExact(tmp, s);
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// Set up the list of variable names
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varNames.resize(data.numShorts +
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data.numLongs +
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data.numFloats);
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// The tmp buffer is a null-byte separated string list, we
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// just have to pick out one string at a time.
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char* str = tmp;
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for(size_t i=0; i< varNames.size(); i++)
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{
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varNames[i] = std::string(str);
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str += varNames[i].size()+1;
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if(str - tmp > s)
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esm.fail("String table overflow");
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}
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delete[] tmp;
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}
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// Script data
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scriptData.resize(data.scriptDataSize);
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esm.getHNExact(&scriptData[0], scriptData.size(), "SCDT");
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// Script text
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scriptText = esm.getHNOString("SCTX");
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}
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};
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}
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#endif
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