1 files changed, 133 insertions, 0 deletions

diff --git a/src/hl2h.h b/src/hl2h.h
new file mode 100644
index 0000000..6d3ebe7
--- /dev/null
+++ b/src/hl2h.h
@@ -0,0 +1,133 @@
+#ifndef HL2H_H
+#define HL2H_H
+
+#include <cstdint>
+#include <cstdio>
+#include <cstring>
+#include <string>
+#include <vector>
+
+#include <dlfcn.h>
+#include <pthread.h>
+#include <unistd.h>
+
+// ---------------------------------------------------------------------------
+// logging
+// ---------------------------------------------------------------------------
+
+void logf(const char *fmt, ...);
+
+// ---------------------------------------------------------------------------
+// module discovery
+// ---------------------------------------------------------------------------
+
+struct Module {
+  struct Range {
+    uintptr_t lo, hi;
+    bool file;
+  };
+  std::vector<Range> ranges;
+  std::string path;
+  bool valid() const { return !ranges.empty(); }
+  bool contains(uintptr_t p) const {
+    for (auto &r : ranges)
+      if (p >= r.lo && p < r.hi)
+        return true;
+    return false;
+  }
+};
+extern Module g_client, g_engine;
+
+// ---------------------------------------------------------------------------
+// game interfaces
+// ---------------------------------------------------------------------------
+
+using CreateInterfaceFn = void *(*)(const char *, int *);
+
+struct GameInterfaces {
+  void *client = nullptr;
+  void *entitylist = nullptr;
+  void *engine = nullptr;
+};
+extern GameInterfaces g_iface;
+
+#define VTABLE(obj) (*(void ***)(obj))
+template <typename Fn> inline Fn vfunc(void *obj, size_t idx) {
+  return reinterpret_cast<Fn>(VTABLE(obj)[idx]);
+}
+
+// ---------------------------------------------------------------------------
+// netvars
+// ---------------------------------------------------------------------------
+
+struct NetVars {
+  int flags = -1;
+  int velocity = -1;
+  int movetype = -1;
+  bool ok() const { return flags >= 0 && velocity >= 0 && movetype >= 0; }
+};
+extern NetVars g_net;
+
+// ---------------------------------------------------------------------------
+// CInput
+// ---------------------------------------------------------------------------
+
+extern uintptr_t g_input;
+
+// ---------------------------------------------------------------------------
+// CUserCmd
+// ---------------------------------------------------------------------------
+
+struct CUserCmd {
+  void *vtable;
+  int command_number;
+  int tick_count;
+  float viewangles[3];
+  float forwardmove;
+  float sidemove;
+  float upmove;
+  int buttons;
+  uint8_t impulse;
+  int weaponselect;
+  int weaponsubtype;
+  int random_seed;
+  short mousedx;
+  short mousedy;
+  bool hasbeenpredicted;
+};
+
+// ---------------------------------------------------------------------------
+// engine constants
+// ---------------------------------------------------------------------------
+
+enum { IN_ATTACK = 1 << 0, IN_JUMP = 1 << 1, IN_DUCK = 1 << 2, IN_USE = 1 << 5 };
+enum { FL_ONGROUND = 1 << 0, FL_INWATER = 1 << 9 };
+enum { MOVETYPE_NOCLIP = 8, MOVETYPE_LADDER = 9 };
+
+// ---------------------------------------------------------------------------
+// vector math
+// ---------------------------------------------------------------------------
+
+struct Vector { float x, y, z; };
+struct QAngle { float x, y, z; };
+QAngle vector_angles(const Vector &forward);
+Vector angle_forward_vector(const QAngle &angles);
+float getfov(const QAngle &my_view, const QAngle &aim_ang);
+
+// ---------------------------------------------------------------------------
+// cross-file declarations
+// ---------------------------------------------------------------------------
+
+void note_modified(const CUserCmd *cmd, int flags, const float *vel);
+CUserCmd *get_usercmd(int seq);
+void fix_verified_crc(int seq, uint32_t crc);
+uint32_t usercmd_checksum(const CUserCmd *c);
+bool find_input_global();
+void resolve_netvars();
+void find_modules();
+void install_menu();
+void init_conmsg();
+void init_x11();
+bool middle_mouse_down();
+
+#endif