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fallout2-ce
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Add warning for unknown opcodes

This commit is contained in:
Vasilii Rogin 2023-05-13 23:50:15 +03:00
parent ead87c78e7
commit 59d8674e93
1 changed files with 25 additions and 16 deletions
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41
src/interpreter.cc
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@ -1,6 +1,7 @@
#include "interpreter.h"
#include <assert.h>
#include <filesystem>
#include <limits.h>
#include <map>
#include <set>
@ -2516,12 +2517,6 @@ void checkScriptsOpcodes()
std::map<opcode_t, std::set<std::string>> unknown_opcodes;
// char path[COMPAT_MAX_PATH] = { 0 };
// strcpy(path, _cd_path_base);
// strcat(path, gScriptsBasePath);
// strcat(path, filename);
// strcat(path, ".int");
auto check_file = [&unknown_opcodes](std::string fName) {
File* stream = fileOpen(fName.c_str(), "rb");
if (stream == NULL) {
@ -2537,12 +2532,12 @@ void checkScriptsOpcodes()
fileClose(stream);
{
auto check_data = [&fName, &unknown_opcodes](unsigned char* data, size_t len) {
size_t i = 0;
while (i < len) {
auto check_data = [&fName, &unknown_opcodes](unsigned char* data, size_t start_pos, size_t max_len) {
size_t i = start_pos;
while (i < max_len) {
opcode_t opcode = stackReadInt16(data, i);
if (!((opcode >> 8) & 0x80)) {
printf("ERROR\n");
printf("ERROR: Wrong opcode %x in file %s at pos=0x%x\n", opcode, fName.c_str(), i);
return;
};
unsigned int opcodeIndex = opcode & 0x3FF;
@ -2560,19 +2555,33 @@ void checkScriptsOpcodes()
}
};
check_data(data, 0);
check_data(data, 0, 24);
auto identifiers = data + 24 * stackReadInt32(data, 42) + 42 + 4;
auto static_strings = identifiers + stackReadInt32(identifiers, 0) + 4 + 4;
auto code_pos = static_strings + stackReadInt32(static_strings, 0) + 4 + 4;
auto identifiers_pos = 24 * stackReadInt32(data, 42) + 42 + 4;
auto static_strings_pos = identifiers_pos + stackReadInt32(data + identifiers_pos, 0) + 4 + 4;
auto code_pos = static_strings_pos + stackReadInt32(data + static_strings_pos, 0) + 4 + 4;
check_data(code_pos, fileSize - (code_pos - data));
check_data(data, code_pos, fileSize);
}
free(data);
};
check_file(std::string("master.dat/scripts/OBJ_DUDE.int"));
for (auto dirEntry : std::filesystem::directory_iterator("master.dat/scripts")) {
if (!dirEntry.is_regular_file()) {
continue;
};
auto file = dirEntry.path();
auto ext = file.extension().string();
for (char& ch : ext) {
ch = std::tolower(ch);
};
if (ext != ".int") {
continue;
};
check_file(file.string());
};
if (unknown_opcodes.size() == 0) {
printf("Everything is ok, all opcodes are known\n");