Add sentence support for Sven Co-op.

hzqst · Jan 20, 2024 · fa40632 · fa40632
1 parent 59c89e1
commit fa40632
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Showing 3 changed files with 22 additions and 3 deletions.
diff --git a/Plugins/CaptionMod/exportfuncs.cpp b/Plugins/CaptionMod/exportfuncs.cpp
@@ -795,6 +795,7 @@ sfx_t *S_FindName(char *name, int *pfInCache)
 static bool g_bPlayingFMODSound = false;
 static bool g_bPlayedFMODSound = false;
 static int g_iCurrentPlayingFMODSoundLengthMs = 0;
+static void* g_pFMODSystem = NULL;
 
 bool ScClient_StartSentence(const char* name, float distance, float avol)
 {
@@ -915,6 +916,7 @@ void __fastcall ScClient_SoundEngine_PlayFMODSound(void* pSoundEngine, int, int
 {
 	g_bPlayingFMODSound = true;
 	g_iCurrentPlayingFMODSoundLengthMs = 0;
+	g_pFMODSystem = *(void **)((PUCHAR)pSoundEngine + 0x2004);
 
 	gPrivateFuncs.ScClient_SoundEngine_PlayFMODSound(pSoundEngine, 0, flags, entindex, origin, channel, name, fvol, attenuation, extraflags, pitch, sentenceIndex, soundLength);
 
@@ -954,7 +956,14 @@ void __fastcall ScClient_SoundEngine_PlayFMODSound(void* pSoundEngine, int, int
 
 		if (!ignore && !name && sentenceIndex >= 0)
 		{
-			//TODO: Sentence support
+			auto sentenceName = gPrivateFuncs.ScClient_SoundEngine_LookupSoundBySentenceIndex(pSoundEngine, sentenceIndex);
+
+			if (sentenceName)
+			{
+				ScClient_StartWave(sentenceName, distance, avol, g_iCurrentPlayingFMODSoundLengthMs);
+
+				ignore = true;
+			}
 		}
 
 		if (!ignore && name)
@@ -970,7 +979,7 @@ void __fastcall ScClient_SoundEngine_PlayFMODSound(void* pSoundEngine, int, int
 
 int __stdcall FMOD_System_playSound(void* FMOD_System, int channelid, void* FMOD_Sound, bool paused, void** FMOD_Channel)
 {
-	if (g_bPlayingFMODSound)
+	if (g_bPlayingFMODSound && g_pFMODSystem == FMOD_System)
 	{
 		int duration = 0;
 		gPrivateFuncs.FMOD_Sound_getLength(FMOD_Sound, &duration, 1);

diff --git a/Plugins/CaptionMod/privatefuncs.cpp b/Plugins/CaptionMod/privatefuncs.cpp
@@ -1408,6 +1408,15 @@ void Client_FillAddress(void)
 			gPrivateFuncs.ScClient_SoundEngine_PlayFMODSound = (decltype(gPrivateFuncs.ScClient_SoundEngine_PlayFMODSound))GetCallAddress(addr + Sig_Length(pattern) - 1);
 		}
 
+		if (1)
+		{
+			char pattern[] = "\x8B\x54\x24\x04\x81\xFA\xFF\x0F\x00\x00\x2A\x2A\x83\x3C\x91\x00\x2A\x2A\x0F\xAE\xE8";
+			auto addr = (PUCHAR)Search_Pattern_From_Size(ClientTextBase, ClientTextSize, pattern);
+			Sig_VarNotFound("ScClient_SoundEngine_LookupSoundBySentenceIndex");
+
+			gPrivateFuncs.ScClient_SoundEngine_LookupSoundBySentenceIndex = (decltype(gPrivateFuncs.ScClient_SoundEngine_LookupSoundBySentenceIndex))addr;
+		}
+
 #if 0
 #define SC_FINDSOUND_SIG "\x51\x55\x8B\x6C\x24\x0C\x89\x4C\x24\x04\x85\xED\x0F\x84\x2A\x2A\x2A\x2A\x80\x7D\x00\x00"
 		{

diff --git a/Plugins/CaptionMod/privatefuncs.h b/Plugins/CaptionMod/privatefuncs.h
@@ -47,7 +47,8 @@ typedef struct
 
 	//int(__fastcall *ScClient_FindSoundEx)(void *pthis, int, const char *soundName);
 	void (__fastcall*ScClient_SoundEngine_PlayFMODSound)(void *pSoundEngine, int, int flags, int entindex, float *origin, int channel, const char *name, float fvol, float attenuation, int extraflags, int pitch, int sentenceIndex, float soundLength);
-
+	const char *(__thiscall* ScClient_SoundEngine_LookupSoundBySentenceIndex)(void* pSoundEngine, int sentenceIndex);
+
 	//FMOD
 
 	int(__stdcall*FMOD_Sound_getLength)(void * FMOD_Sound, void* output, int type);//?getLength@Sound@FMOD@@QAG?AW4FMOD_RESULT@@PAII@Z