diff options
Diffstat (limited to 'primedev/engine/r2engine.h')
| -rw-r--r-- | primedev/engine/r2engine.h | 260 |
1 files changed, 260 insertions, 0 deletions
diff --git a/primedev/engine/r2engine.h b/primedev/engine/r2engine.h new file mode 100644 index 00000000..e3bcc37e --- /dev/null +++ b/primedev/engine/r2engine.h @@ -0,0 +1,260 @@ +#pragma once +#include "shared/keyvalues.h" + +// Cbuf +enum class ECommandTarget_t +{ + CBUF_FIRST_PLAYER = 0, + CBUF_LAST_PLAYER = 1, // MAX_SPLITSCREEN_CLIENTS - 1, MAX_SPLITSCREEN_CLIENTS = 2 + CBUF_SERVER = CBUF_LAST_PLAYER + 1, + + CBUF_COUNT, +}; + +enum class cmd_source_t +{ + // Added to the console buffer by gameplay code. Generally unrestricted. + kCommandSrcCode, + + // Sent from code via engine->ClientCmd, which is restricted to commands visible + // via FCVAR_GAMEDLL_FOR_REMOTE_CLIENTS. + kCommandSrcClientCmd, + + // Typed in at the console or via a user key-bind. Generally unrestricted, although + // the client will throttle commands sent to the server this way to 16 per second. + kCommandSrcUserInput, + + // Came in over a net connection as a clc_stringcmd + // host_client will be valid during this state. + // + // Restricted to FCVAR_GAMEDLL commands (but not convars) and special non-ConCommand + // server commands hardcoded into gameplay code (e.g. "joingame") + kCommandSrcNetClient, + + // Received from the server as the client + // + // Restricted to commands with FCVAR_SERVER_CAN_EXECUTE + kCommandSrcNetServer, + + // Being played back from a demo file + // + // Not currently restricted by convar flag, but some commands manually ignore calls + // from this source. FIXME: Should be heavily restricted as demo commands can come + // from untrusted sources. + kCommandSrcDemoFile, + + // Invalid value used when cleared + kCommandSrcInvalid = -1 +}; + +typedef ECommandTarget_t (*Cbuf_GetCurrentPlayerType)(); +extern Cbuf_GetCurrentPlayerType Cbuf_GetCurrentPlayer; + +typedef void (*Cbuf_AddTextType)(ECommandTarget_t eTarget, const char* text, cmd_source_t source); +extern Cbuf_AddTextType Cbuf_AddText; + +typedef void (*Cbuf_ExecuteType)(); +extern Cbuf_ExecuteType Cbuf_Execute; + +extern bool (*CCommand__Tokenize)(CCommand& self, const char* pCommandString, cmd_source_t commandSource); + +// CEngine + +enum EngineQuitState +{ + QUIT_NOTQUITTING = 0, + QUIT_TODESKTOP, + QUIT_RESTART +}; + +enum class EngineState_t +{ + DLL_INACTIVE = 0, // no dll + DLL_ACTIVE, // engine is focused + DLL_CLOSE, // closing down dll + DLL_RESTART, // engine is shutting down but will restart right away + DLL_PAUSED, // engine is paused, can become active from this state +}; + +class CEngine +{ +public: + virtual void unknown() = 0; // unsure if this is where + virtual bool Load(bool dedicated, const char* baseDir) = 0; + virtual void Unload() = 0; + virtual void SetNextState(EngineState_t iNextState) = 0; + virtual EngineState_t GetState() = 0; + virtual void Frame() = 0; + virtual double GetFrameTime() = 0; + virtual float GetCurTime() = 0; + + EngineQuitState m_nQuitting; + EngineState_t m_nDllState; + EngineState_t m_nNextDllState; + double m_flCurrentTime; + float m_flFrameTime; + double m_flPreviousTime; + float m_flFilteredTime; + float m_flMinFrameTime; // Expected duration of a frame, or zero if it is unlimited. +}; + +extern CEngine* g_pEngine; + +extern void (*CBaseClient__Disconnect)(void* self, uint32_t unknownButAlways1, const char* reason, ...); + +#pragma once +typedef enum +{ + NA_NULL = 0, + NA_LOOPBACK, + NA_IP, +} netadrtype_t; + +#pragma pack(push, 1) +typedef struct netadr_s +{ + netadrtype_t type; + unsigned char ip[16]; // IPv6 + // IPv4's 127.0.0.1 is [::ffff:127.0.0.1], that is: + // 00 00 00 00 00 00 00 00 00 00 FF FF 7F 00 00 01 + unsigned short port; +} netadr_t; +#pragma pack(pop) + +#pragma pack(push, 1) +typedef struct netpacket_s +{ + netadr_t adr; // sender address + // int source; // received source + char unk[10]; + double received_time; + unsigned char* data; // pointer to raw packet data + void* message; // easy bitbuf data access // 'inpacket.message' etc etc (pointer) + char unk2[16]; + int size; + + // bf_read message; // easy bitbuf data access // 'inpacket.message' etc etc (pointer) + // int size; // size in bytes + // int wiresize; // size in bytes before decompression + // bool stream; // was send as stream + // struct netpacket_s* pNext; // for internal use, should be NULL in public +} netpacket_t; +#pragma pack(pop) + +// #56169 $DB69 PData size +// #512 $200 Trailing data +// #100 $64 Safety buffer +const int PERSISTENCE_MAX_SIZE = 0xDDCD; + +// note: NOT_READY and READY are the only entries we have here that are defined by the vanilla game +// entries after this are custom and used to determine the source of persistence, e.g. whether it is local or remote +enum class ePersistenceReady : char +{ + NOT_READY, + READY = 3, + READY_INSECURE = 3, + READY_REMOTE +}; + +enum class eSignonState : int +{ + NONE = 0, // no state yet; about to connect + CHALLENGE = 1, // client challenging server; all OOB packets + CONNECTED = 2, // client is connected to server; netchans ready + NEW = 3, // just got serverinfo and string tables + PRESPAWN = 4, // received signon buffers + GETTINGDATA = 5, // respawn-defined signonstate, assumedly this is for persistence + SPAWN = 6, // ready to receive entity packets + FIRSTSNAP = 7, // another respawn-defined one + FULL = 8, // we are fully connected; first non-delta packet received + CHANGELEVEL = 9, // server is changing level; please wait +}; + +// clang-format off +OFFSET_STRUCT(CBaseClient) +{ + STRUCT_SIZE(0x2D728) + FIELD(0x16, char m_Name[64]) + FIELD(0x258, KeyValues* m_ConVars) + FIELD(0x2A0, eSignonState m_Signon) + FIELD(0x358, char m_ClanTag[16]) + FIELD(0x484, bool m_bFakePlayer) + FIELD(0x4A0, ePersistenceReady m_iPersistenceReady) + FIELD(0x4FA, char m_PersistenceBuffer[PERSISTENCE_MAX_SIZE]) + FIELD(0xF500, char m_UID[32]) +}; +// clang-format on + +extern CBaseClient* g_pClientArray; + +enum server_state_t +{ + ss_dead = 0, // Dead + ss_loading, // Spawning + ss_active, // Running + ss_paused, // Running, but paused +}; + +extern server_state_t* g_pServerState; + +extern char* g_pModName; + +// clang-format off +OFFSET_STRUCT(CGlobalVars) +{ + FIELD(0x0, + // Absolute time (per frame still - Use Plat_FloatTime() for a high precision real time + // perf clock, but not that it doesn't obey host_timescale/host_framerate) + double m_flRealTime); + + FIELDS(0x8, + // Absolute frame counter - continues to increase even if game is paused + int m_nFrameCount; + + // Non-paused frametime + float m_flAbsoluteFrameTime; + + // Current time + // + // On the client, this (along with tickcount) takes a different meaning based on what + // piece of code you're in: + // + // - While receiving network packets (like in PreDataUpdate/PostDataUpdate and proxies), + // this is set to the SERVER TICKCOUNT for that packet. There is no interval between + // the server ticks. + // [server_current_Tick * tick_interval] + // + // - While rendering, this is the exact client clock + // [client_current_tick * tick_interval + interpolation_amount] + // + // - During prediction, this is based on the client's current tick: + // [client_current_tick * tick_interval] + float m_flCurTime; + ) + + FIELDS(0x30, + // Time spent on last server or client frame (has nothing to do with think intervals) + float m_flFrameTime; + + // current maxplayers setting + int m_nMaxClients; + ) + + FIELDS(0x3C, + // Simulation ticks - does not increase when game is paused + uint32_t m_nTickCount; // this is weird and doesn't seem to increase once per frame? + + // Simulation tick interval + float m_flTickInterval; + ) + + FIELDS(0x60, + const char* m_pMapName; + int m_nMapVersion; + ) + + //FIELD(0x98, double m_flRealTime); // again? +}; +// clang-format on + +extern CGlobalVars* g_pGlobals; |