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// SPDX-License-Identifier: ISC
// SPDX-FileCopyrightText: 2024 Matthew Wozniak <me@woz.blue>
#include "api.h"
#include "hook.h"
#include "log.h"
#include "os.h"
#include <stddef.h>
#define WIN32_LEAN_AND_MEAN
#include <Windows.h>
void (*orig_cbuf_addtext)(char *);
void hook_cbuf_addtext(char *str) {
orig_cbuf_addtext(str);
info("%s", str);
// this is the last thing that happens when the game is opened
if (!strcmp(str, "exec modsettings.cfg mod\n")) {
demoplayer->vt->start_playback(demoplayer, "demo.dem", false);
}
}
char *cmdline;
char WINAPI *hook_GetCommandLineA(void) {
return cmdline;
}
void *(WINAPI *orig_LoadLibraryExA)(const char *, void *, int);
void WINAPI *hook_LoadLibraryExA(const char *filename, void *hfile, int flags) {
// if the dll is already loaded, don't run our code again
if (os_dlhandle(filename))
return orig_LoadLibraryExA(filename, hfile, flags);
void *ret = orig_LoadLibraryExA(filename, hfile, flags);
if (!ret) return ret;
// cut down to basename for display
const char *basename = filename;
for (const char *p = filename; *p; p++)
if (*p == '\\') basename = p + 1;
info("loaded %s", basename);
if (!strcmp(basename, "engine.dll")) {
if (!api_init()) die("couldn't get apis");
orig_cbuf_addtext = (void (*)(char *))
hook_inline((void *)cbuf_addtext, (void *)hook_cbuf_addtext);
}
return ret;
}
typedef int (*LauncherMain_t)(void *instance, void *prev_inst, char *cmdline,
int cmd_show);
int main(/* int argc, char **argv */) {
SetDllDirectoryA("bin/");
// TODO: make this changeable by the user
cmdline = "hl2.exe -console -w 1280 -h 720 -window -high -dxlevel 95";
hook_init();
orig_LoadLibraryExA = (typeof(orig_LoadLibraryExA))hook_dllapi("kernel32",
"LoadLibraryExA", (void *)hook_LoadLibraryExA);
hook_dllapi("kernel32", "GetCommandLineA", (void *)hook_GetCommandLineA);
info("GetCommandLineA() = %s", GetCommandLineA());
void *launcher_dll = os_dlopen("launcher");
LauncherMain_t launcher_main =
(LauncherMain_t)os_dlsym(launcher_dll, "LauncherMain");
if (!launcher_main) die("couldn't open launcher");
launcher_main(NULL, NULL, cmdline, 0);
}
// vi: sw=4 ts=4 noet tw=80 cc=80
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