From f0267d542f860a2f67f519a1dc5343e020927c81 Mon Sep 17 00:00:00 2001
From: Bastien Bouclet
Date: Sat, 4 Feb 2017 14:34:45 +0100
Subject: MOHAWK: Keep turning pages while the mouse is pressed in Atrus' book

---
 engines/mohawk/riven_stacks/aspit.cpp | 83 +++++++++++++++++++++++++----------
 1 file changed, 59 insertions(+), 24 deletions(-)

(limited to 'engines/mohawk/riven_stacks/aspit.cpp')

diff --git a/engines/mohawk/riven_stacks/aspit.cpp b/engines/mohawk/riven_stacks/aspit.cpp
index aabd7dba91..f930dfc8cf 100644
--- a/engines/mohawk/riven_stacks/aspit.cpp
+++ b/engines/mohawk/riven_stacks/aspit.cpp
@@ -99,44 +99,79 @@ void ASpit::xaatrusbookback(uint16 argc, uint16 *argv) {
 	_vm->_inventory->backFromItemScript();
 }
 
-void ASpit::xaatrusbookprevpage(uint16 argc, uint16 *argv) {
-	// Get the page variable
-	uint32 &page = _vm->_vars["aatruspage"];
+bool ASpit::pageTurn(int16 transition) {
+	// Wait until the previous page turn sound completes
+	while (_vm->_sound->isEffectPlaying() && !_vm->shouldQuit()) {
+		if (!mouseIsDown()) {
+			return false;
+		}
 
-	// Decrement the page if it's not the first page
-	if (page == 1)
-		return;
-	page--;
+		_vm->doFrame();
+	}
 
 	// Play the page turning sound
-	if (_vm->getFeatures() & GF_DEMO)
-		_vm->_sound->playSound(4);
+	const char *soundName = nullptr;
+	if (_vm->_rnd->getRandomBit())
+		soundName = "aPage1";
 	else
-		_vm->_sound->playSound(3);
+		soundName = "aPage2";
+
+	Common::String fullSoundName = Common::String::format("%d_%s_1", _vm->getCard()->getId(), soundName);
+
+	_vm->_sound->playSound(fullSoundName, 51, true);
 
 	// Now update the screen :)
-	_vm->_gfx->scheduleTransition(1);
-	_vm->getCard()->drawPicture(page);
+	_vm->_gfx->scheduleTransition(transition);
+
+	return true;
+}
+
+void ASpit::xaatrusbookprevpage(uint16 argc, uint16 *argv) {
+	// Get the page variable
+	uint32 &page = _vm->_vars["aatruspage"];
+
+	// Keep turning pages while the mouse is pressed
+	bool firstPageTurn = true;
+	while (mouseIsDown() || firstPageTurn) {
+		// Check for the first page
+		if (page == 1)
+			return;
+
+		if (!pageTurn(1)) {
+			return;
+		}
+
+		// Update the page number
+		page--;
+		firstPageTurn = false;
+
+		_vm->getCard()->drawPicture(page);
+		_vm->doFrame();
+	}
 }
 
 void ASpit::xaatrusbooknextpage(uint16 argc, uint16 *argv) {
 	// Get the page variable
 	uint32 &page = _vm->_vars["aatruspage"];
 
-	// Increment the page if it's not the last page
-	if (((_vm->getFeatures() & GF_DEMO) && page == 6) || page == 10)
-		return;
-	page++;
+	// Keep turning pages while the mouse is pressed
+	bool firstPageTurn = true;
+	while ((mouseIsDown() || firstPageTurn) && !_vm->shouldQuit()) {
+		// Check for the last page
+		if (((_vm->getFeatures() & GF_DEMO) && page == 6) || page == 10)
+			return;
 
-	// Play the page turning sound
-	if (_vm->getFeatures() & GF_DEMO)
-		_vm->_sound->playSound(5);
-	else
-		_vm->_sound->playSound(4);
+		if (!pageTurn(0)) {
+			return;
+		}
 
-	// Now update the screen :)
-	_vm->_gfx->scheduleTransition(0);
-	_vm->getCard()->drawPicture(page);
+		// Update the page number
+		page++;
+		firstPageTurn = false;
+
+		_vm->getCard()->drawPicture(page);
+		_vm->doFrame();
+	}
 }
 
 void ASpit::xacathopenbook(uint16 argc, uint16 *argv) {
-- 
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