feat(IW4-TU6): add client commands

codxe.vcxproj

@@ -129,6 +129,7 @@
 
       <ClCompile Include="src\game\iw4\mp_tu6\components\cg.cpp" />
       <ClCompile Include="src\game\iw4\mp_tu6\components\clipmap.cpp" />
+      <ClCompile Include="src\game\iw4\mp_tu6\components\cmds.cpp" />
       <ClCompile Include="src\game\iw4\mp_tu6\components\console.cpp" />
       <ClCompile Include="src\game\iw4\mp_tu6\components\events.cpp" />
       <ClCompile Include="src\game\iw4\mp_tu6\components\g_client_fields.cpp" />
@@ -256,6 +257,7 @@
 
       <ClInclude Include="src\game\iw4\mp_tu6\components\cg.h" />
       <ClInclude Include="src\game\iw4\mp_tu6\components\clipmap.h" />
+      <ClInclude Include="src\game\iw4\mp_tu6\components\cmds.h" />
       <ClInclude Include="src\game\iw4\mp_tu6\components\console.h" />
       <ClInclude Include="src\game\iw4\mp_tu6\components\events.h" />
       <ClInclude Include="src\game\iw4\mp_tu6\components\g_client_fields.h" />

src/game/iw4/mp_tu6/components/cmds.cpp

@@ -0,0 +1,90 @@
+#include "pch.h"
+#include "cmds.h"
+
+namespace iw4
+{
+namespace mp_tu6
+{
+namespace
+{
+
+Detour ClientCommand_Detour;
+
+void SendCommandMessage(int clientNum, const char *message)
+{
+    const char *commandString = va("%c \"%s\"", 101, message);
+
+    SV_GameSendServerCommand(clientNum, SV_CMD_CAN_IGNORE, commandString);
+}
+
+bool ToggleFlag(int &flags, int flag)
+{
+    const bool enableFlag = (flags & flag) == 0;
+
+    if (enableFlag)
+        flags |= flag;
+    else
+        flags &= ~flag;
+
+    return enableFlag;
+}
+
+void Cmd_Noclip_f(int clientNum, gentity_s *ent)
+{
+    const bool enabled = ToggleFlag(ent->client->flags, CF_NOCLIP);
+    SendCommandMessage(clientNum, enabled ? "GAME_NOCLIPON" : "GAME_NOCLIPOFF");
+}
+
+void Cmd_UFO_f(int clientNum, gentity_s *ent)
+{
+    const bool enabled = ToggleFlag(ent->client->flags, CF_UFO);
+    SendCommandMessage(clientNum, enabled ? "GAME_UFOON" : "GAME_UFOOFF");
+}
+
+void Cmd_God_f(int clientNum, gentity_s *ent)
+{
+    const bool enabled = ToggleFlag(ent->flags, FL_GODMODE);
+    SendCommandMessage(clientNum, enabled ? "GAME_GODMODE_ON" : "GAME_GODMODE_OFF");
+}
+
+void Cmd_DemiGod_f(int clientNum, gentity_s *ent)
+{
+    const bool enabled = ToggleFlag(ent->flags, FL_DEMI_GODMODE);
+    SendCommandMessage(clientNum, enabled ? "GAME_DEMI_GODMODE_ON" : "GAME_DEMI_GODMODE_OFF");
+}
+
+void ClientCommand_Hook(int clientNum)
+{
+    assert(clientNum >= 0 && clientNum < IW4_MAX_CLIENTS);
+
+    gentity_s *ent = &g_entities[clientNum];
+    assert(ent->client);
+
+    char cmd[1024] = {};
+    SV_Cmd_ArgvBuffer(0, cmd, static_cast<int>(sizeof(cmd)));
+
+    if (I_stricmp(cmd, "god") == 0)
+        Cmd_God_f(clientNum, ent);
+    else if (I_stricmp(cmd, "demigod") == 0)
+        Cmd_DemiGod_f(clientNum, ent);
+    else if (I_stricmp(cmd, "noclip") == 0)
+        Cmd_Noclip_f(clientNum, ent);
+    else if (I_stricmp(cmd, "ufo") == 0)
+        Cmd_UFO_f(clientNum, ent);
+    else
+        ClientCommand_Detour.GetOriginal<decltype(ClientCommand)>()(clientNum);
+}
+} // namespace
+
+cmds::cmds()
+{
+    ClientCommand_Detour = Detour(ClientCommand, ClientCommand_Hook);
+    ClientCommand_Detour.Install();
+}
+
+cmds::~cmds()
+{
+    ClientCommand_Detour.Remove();
+}
+} // namespace mp_tu6
+} // namespace iw4

src/game/iw4/mp_tu6/components/cmds.h

@@ -0,0 +1,21 @@
+#pragma once
+
+#include "pch.h"
+
+namespace iw4
+{
+namespace mp_tu6
+{
+class cmds : public Module
+{
+  public:
+    cmds();
+    ~cmds();
+
+    const char *get_name() override
+    {
+        return "cmds";
+    };
+};
+} // namespace mp_tu6
+} // namespace iw4

src/game/iw4/mp_tu6/main.cpp

@@ -1,6 +1,7 @@
 #include "pch.h"
 #include "components/cg.h"
 #include "components/clipmap.h"
+#include "components/cmds.h"
 #include "components/console.h"
 #include "components/events.h"
 #include "components/g_client_fields.h"
@@ -25,6 +26,7 @@ IW4_MP_TU6_Plugin::IW4_MP_TU6_Plugin()
     RegisterModule(new Events()); // Must be registered first to ensure hooks are in place
     RegisterModule(new cg());
     RegisterModule(new clipmap());
+    RegisterModule(new cmds());
     RegisterModule(new console());
     RegisterModule(new g_client_fields());
     RegisterModule(new g_scr_main());

src/game/iw4/mp_tu6/structs.h

@@ -56,6 +56,12 @@ enum DvarFlags : std::uint16_t
     DVAR_FLAG_SERVERINFO = 0x10,
 };
 
+enum svscmd_type : __int32
+{
+    SV_CMD_CAN_IGNORE = 0x0,
+    SV_CMD_RELIABLE = 0x1,
+};
+
 struct dvar_t
 {
     const char *name;
@@ -826,6 +832,37 @@ struct blend_ent_t
     float totalTime;
 };
 
+enum entityFlag_t : uint32_t
+{
+    FL_GODMODE = 0x1,
+    FL_DEMI_GODMODE = 0x2,
+    FL_NOTARGET = 0x4,
+    FL_NO_KNOCKBACK = 0x8,
+    FL_NO_RADIUS_DAMAGE = 0x10,
+    FL_SUPPORTS_LINKTO = 0x1000,
+    FL_NO_AUTO_ANIM_UPDATE = 0x2000,
+    FL_GRENADE_TOUCH_DAMAGE = 0x4000,
+    FL_STABLE_MISSILES = 0x20000,
+    FL_REPEAT_ANIM_UPDATE = 0x40000,
+    FL_VEHICLE_TARGET = 0x80000,
+    FL_GROUND_ENT = 0x100000,
+    FL_CURSOR_HINT = 0x200000,
+    FL_MISSILE_ATTRACTOR = 0x800000,
+    FL_WEAPON_BEING_GRABBED = 0x1000000,
+    FL_DELETE = 0x2000000,
+    FL_BOUNCE = 0x4000000,
+    FL_MOVER_SLIDE = 0x8000000,
+};
+
+enum clientFlag_t : uint32_t
+{
+    CF_NOCLIP = 1u << 0,
+    CF_UFO = 1u << 1,
+    CF_FROZEN = 1u << 2,
+    CF_DISABLE_USABILITY = 1u << 3,
+    CF_NO_KNOCKBACK = 1u << 4,
+};
+
 struct gentity_s
 {
     entityState_s s;
@@ -1772,7 +1809,12 @@ enum XAssetType : __int32
 
 struct cplane_s;
 struct cStaticModel_s;
-struct ClipMaterial;
+struct ClipMaterial
+{
+    const char *name;
+    int surfaceFlags;
+    int contentFlags;
+};
 struct cbrushside_t;
 struct cNode_t;
 struct cLeaf_t;

src/game/iw4/mp_tu6/symbols.h

@@ -21,6 +21,9 @@ static auto Hunk_AllocateTempMemoryHighInternal = reinterpret_cast<void *(*)(int
 
 static auto Cbuf_AddText = reinterpret_cast<void (*)(int localClientNum, const char *text)>(0x82275C60);
 
+typedef void (*ClientCommand_t)(int clientNum);
+static ClientCommand_t ClientCommand = reinterpret_cast<ClientCommand_t>(0x822266D0);
+
 typedef void (*CL_CharEvent_t)(int localClientNum, int key);
 static CL_CharEvent_t CL_CharEvent = reinterpret_cast<CL_CharEvent_t>(0x82182EC8);
 
@@ -53,6 +56,9 @@ static Com_Printf_t Com_Printf = reinterpret_cast<Com_Printf_t>(0x8227F448);
 typedef void (*Com_PrintMessage_t)(int channel, const char *msg, int error);
 static Com_PrintMessage_t Com_PrintMessage = reinterpret_cast<Com_PrintMessage_t>(0x8227F370);
 
+typedef int (*I_stricmp_t)(const char *s0, const char *s1);
+static I_stricmp_t I_stricmp = reinterpret_cast<I_stricmp_t>(0x82315B70);
+
 typedef void (*Info_SetValueForKey_t)(char *s, const char *key, const char *value);
 static Info_SetValueForKey_t Info_SetValueForKey = reinterpret_cast<Info_SetValueForKey_t>(0x823167D8);
 
@@ -216,6 +222,12 @@ static SV_IsClientBot_t SV_IsClientBot = reinterpret_cast<SV_IsClientBot_t>(0x82
 typedef gentity_s *(*SV_AddTestClient_t)();
 static SV_AddTestClient_t SV_AddTestClient = reinterpret_cast<SV_AddTestClient_t>(0x822BDCB8);
 
+typedef void (*SV_Cmd_ArgvBuffer_t)(int arg, char *buffer, int bufferLength);
+static SV_Cmd_ArgvBuffer_t SV_Cmd_ArgvBuffer = reinterpret_cast<SV_Cmd_ArgvBuffer_t>(0x822760C8);
+
+typedef void (*SV_GameSendServerCommand_t)(int clientNum, svscmd_type type, const char *text);
+static SV_GameSendServerCommand_t SV_GameSendServerCommand = reinterpret_cast<SV_GameSendServerCommand_t>(0x822BDF00);
+
 typedef void (*SV_UserinfoChanged_t)(client_t *cl);
 static SV_UserinfoChanged_t SV_UserinfoChanged = reinterpret_cast<SV_UserinfoChanged_t>(0x822BBED8);