From 9a84c13bef923eedc020b6706d0a7b6685bb42fd Mon Sep 17 00:00:00 2001
From: Benjamin Haisch
Date: Mon, 22 Jun 2009 16:11:49 +0000
Subject: TOLTECS: - Implemented playSoundAtPos and fixed sound panning (0 is
 center, not 64 like in the original) - Minor cleanup

---
 engines/toltecs/script.cpp  |  3 +--
 engines/toltecs/sound.cpp   | 42 +++++++++++++++++++++++++++---------------
 engines/toltecs/toltecs.cpp | 21 +--------------------
 engines/toltecs/toltecs.h   |  1 -
 4 files changed, 29 insertions(+), 38 deletions(-)

(limited to 'engines')

diff --git a/engines/toltecs/script.cpp b/engines/toltecs/script.cpp
index 602c3f507b..920c0d0180 100644
--- a/engines/toltecs/script.cpp
+++ b/engines/toltecs/script.cpp
@@ -1054,8 +1054,7 @@ void ScriptInterpreter::sfSetSequenceVolume() {
 }
 
 void ScriptInterpreter::sfPlayPositionalSound() {
-	// TODO
-	debug("ScriptInterpreter::sfPlayPositionalSound()");
+	_vm->_sound->playSoundAtPos(arg16(3), arg16(9), arg16(7));
 }
 
 void ScriptInterpreter::sfPlaySound2() {
diff --git a/engines/toltecs/sound.cpp b/engines/toltecs/sound.cpp
index b3d327f5f8..012b5eec61 100644
--- a/engines/toltecs/sound.cpp
+++ b/engines/toltecs/sound.cpp
@@ -56,47 +56,59 @@ Sound::~Sound() {
 }
 
 void Sound::playSpeech(int16 resIndex) {
-
-	// TODO
-
 	debug(0, "playSpeech(%d)", resIndex);
-
-	internalPlaySound(resIndex, kChannelTypeSpeech, 50 /*TODO*/, 64);
-
+	internalPlaySound(resIndex, kChannelTypeSpeech, 50 /*TODO*/, 0);
 }
 
 void Sound::playSound(int16 resIndex, int16 type, int16 volume) {
 
 	// TODO: Use the right volumes
 
-	debug(0, "playSound(%d, %d, %d)", resIndex, type, volume);
+	debug("playSound(%d, %d, %d)", resIndex, type, volume);
 	
 	if (volume == -1 || type == kChannelTypeSfx) {
 		if (type == kChannelTypeBackground) {
-			internalPlaySound(resIndex, type, 50 /*TODO*/, 64);
+			internalPlaySound(resIndex, type, 50 /*TODO*/, 0);
 		} else {
-			internalPlaySound(resIndex, type, 100 /*TODO*/, 64);
+			internalPlaySound(resIndex, type, 100 /*TODO*/, 0);
 		}
 	} else {
-		internalPlaySound(resIndex, type, 100 /*TODO*/, 64);
+		internalPlaySound(resIndex, type, 100 /*TODO*/, 0);
 	}
 
 }
 
 void Sound::playSoundAtPos(int16 resIndex, int16 x, int16 y) {
 
-	// TODO: Everything
-
 	debug(0, "playSoundAtPos(%d, %d, %d)", resIndex, x, y);
 
-	internalPlaySound(resIndex, 1, 50, 64);
+	int16 volume, panning = 0, deltaX = 0;
+	int8 scaling = _vm->_segmap->getScalingAtPoint(x, y);
+
+	if (scaling >= 0)
+		volume = 50 + ABS(scaling) / 2;
+	else
+		volume = 50 - ABS(scaling) / 2;
+
+	if (_vm->_cameraX > x)
+		deltaX = _vm->_cameraX - x;
+	else if (_vm->_cameraX + 640 < x)
+		deltaX = x - (_vm->_cameraX + 640);
+	if (deltaX > 600)
+		deltaX = 600;
+
+	volume = ((100 - deltaX / 6) * volume) / 100;
+	
+	if (_vm->_cameraX + 320 != x) {
+		panning = CLIP(x - (_vm->_cameraX + 320), -381, 381) / 3;
+	}
+
+	internalPlaySound(resIndex, 1, volume, panning);
 
 }
 
 void Sound::internalPlaySound(int16 resIndex, int16 type, int16 volume, int16 panning) {
 
-	// TODO
-	
 	if (resIndex == -1) {
 		// Stop all sounds
 		_vm->_mixer->stopAll();
diff --git a/engines/toltecs/toltecs.cpp b/engines/toltecs/toltecs.cpp
index 80a77af994..cd736fb129 100644
--- a/engines/toltecs/toltecs.cpp
+++ b/engines/toltecs/toltecs.cpp
@@ -415,7 +415,6 @@ void ToltecsEngine::talk(int16 slotIndex, int16 slotOffset) {
 	byte *scanData = _script->getSlotData(slotIndex) + slotOffset;
 	
 	while (*scanData < 0xF0) {
-	
 		if (*scanData == 0x19) {
 			scanData++;
 		} else if (*scanData == 0x14) {
@@ -425,7 +424,6 @@ void ToltecsEngine::talk(int16 slotIndex, int16 slotOffset) {
 		} else if (*scanData < 0x0A) {
 			scanData++;
 		}
-	
 		scanData++;
 	}
 	
@@ -438,7 +436,7 @@ void ToltecsEngine::talk(int16 slotIndex, int16 slotOffset) {
 		if (_doText) {
 			_screen->updateTalkText(slotIndex, slotOffset);
 		} else {
-			// TODO: font_sub_4B3E2
+			_screen->keepTalkTextItemsAlive();
 		}
 	} else {
 		_screen->updateTalkText(slotIndex, slotOffset);
@@ -446,23 +444,6 @@ void ToltecsEngine::talk(int16 slotIndex, int16 slotOffset) {
 
 }
 
-void ToltecsEngine::playText(int16 slotIndex, int16 slotOffset) {
-
-	byte *textData = _script->getSlotData(slotIndex) + slotOffset;
-	
-	debug(0, "ToltecsEngine::playText() [textData = %s]", (char*)textData);
-
-	Common::String str;
-	while (*textData < 0xF0) {
-		if (*textData >= 32)
-			str += (char)*textData;
-		textData++;
-	}
-	
-	debug(0, "ToltecsEngine::playText() [%s]", str.c_str());
-
-}
-
 void ToltecsEngine::walk(byte *walkData) {
 
 	int16 xdelta, ydelta, v8, v10, v11;
diff --git a/engines/toltecs/toltecs.h b/engines/toltecs/toltecs.h
index 7b7e1a33fc..b425af8274 100644
--- a/engines/toltecs/toltecs.h
+++ b/engines/toltecs/toltecs.h
@@ -91,7 +91,6 @@ public:
 	void updateCamera();
 	
 	void talk(int16 slotIndex, int16 slotOffset);
-	void playText(int16 slotIndex, int16 slotOffset);
 
 	void walk(byte *walkData);
 	
-- 
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