85 lines
1.3 KiB
C++
85 lines
1.3 KiB
C++
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#include "STDInclude.hpp"
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namespace Components
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{
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bool Chat::SendChat;
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const char* Chat::EvaluateSay(char* text, Game::gentity_t* player)
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{
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SendChat = true;
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if (text[1] == '/')
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{
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SendChat = false;
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text[1] = text[0];
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++text;
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}
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TextRenderer::StripMaterialTextIcons(text, text, strlen(text) + 1);
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Game::Scr_AddEntity(player);
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Game::Scr_AddString(text + 1);
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Game::Scr_NotifyLevel(Game::SL_GetString("say", 0), 2);
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return text;
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}
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__declspec(naked) void Chat::PreSayStub()
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{
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__asm
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{
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mov eax, [esp + 100h + 10h]
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push eax
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pushad
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push[esp + 100h + 28h]
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push eax
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call Chat::EvaluateSay
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add esp, 8h
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mov[esp + 20h], eax
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popad
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pop eax
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mov[esp + 100h + 10h], eax
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jmp PlayerName::CleanStrStub
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}
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}
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__declspec(naked) void Chat::PostSayStub()
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{
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__asm
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{
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// eax is used by the callee
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push eax
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xor eax, eax
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mov al, Chat::SendChat
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test al, al
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jnz return
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// Don't send the chat
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pop eax
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retn
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return:
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pop eax
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// Jump to the target
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push 5DF620h
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retn
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}
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}
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Chat::Chat()
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{
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// Intercept chat sending
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Utils::Hook(0x4D000B, PreSayStub, HOOK_CALL).install()->quick();
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Utils::Hook(0x4D00D4, PostSayStub, HOOK_CALL).install()->quick();
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Utils::Hook(0x4D0110, PostSayStub, HOOK_CALL).install()->quick();
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}
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}
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