From ae96463036ff99540478b7355746d8fd653ff527 Mon Sep 17 00:00:00 2001
From: uruk
Date: Sun, 15 Jun 2014 20:52:25 +0200
Subject: CGE2: Rework EventManager::handleEvents().

Also add and implement spriteAt() during the process.
---
 engines/cge2/cge2.h     |  1 +
 engines/cge2/events.cpp | 55 ++++++++++++++++++-------------------------------
 engines/cge2/events.h   |  2 ++
 engines/cge2/talk.cpp   | 14 +++++++++++++
 4 files changed, 37 insertions(+), 35 deletions(-)

(limited to 'engines')

diff --git a/engines/cge2/cge2.h b/engines/cge2/cge2.h
index 968fe2bb41..611976819b 100644
--- a/engines/cge2/cge2.h
+++ b/engines/cge2/cge2.h
@@ -139,6 +139,7 @@ public:
 	long det(const V2D &a, const V2D &b, const V2D &c);
 	int sgn(long n);
 	int mapCross(const V2D &a, const V2D &b);
+	Sprite *spriteAt(V2D pos);
 
 	void setEye(const V3D &e);
 	void setEye(const V2D& e2, int z = -kScrWidth);
diff --git a/engines/cge2/events.cpp b/engines/cge2/events.cpp
index a143c77a7d..79455aff66 100644
--- a/engines/cge2/events.cpp
+++ b/engines/cge2/events.cpp
@@ -62,7 +62,7 @@ void Keyboard::newKeyboard(Common::Event &event) {
 
 /*----------------- MOUSE interface -----------------*/
 
-Mouse::Mouse(CGE2Engine *vm) : Sprite(vm), _busy(NULL), _hold(NULL), _hx(0), _vm(vm) {
+Mouse::Mouse(CGE2Engine *vm) : Sprite(vm), _busy(NULL), _hold(NULL), _hx(0), _point(_vm), _vm(vm) {
 	_hold = NULL;
 	_hx = 0;
 	_hy = 0;
@@ -181,42 +181,31 @@ void EventManager::poll() {
 void EventManager::handleEvents() {
 	while (_eventQueueTail != _eventQueueHead) {
 		CGE2Event e = _eventQueue[_eventQueueTail];
+		_vm->_mouse->_point = V2D(_vm, e._x, e._y);
 		if (e._mask) {
-			if (_vm->_mouse->_hold && e._spritePtr != _vm->_mouse->_hold)
-				_vm->_mouse->_hold->touch(e._mask | kEventAttn, e._x - _vm->_mouse->_hold->_pos2D.x, e._y - _vm->_mouse->_hold->_pos2D.y, e._keyCode);
-
-			// update mouse cursor position
-			if (e._mask & kMouseRoll)
-				_vm->_mouse->gotoxyz(e._x, e._y);
+			if (e._mask & kMouseMask) {
+				e._spritePtr = _vm->spriteAt(_vm->_mouse->_point);
+				e._x += (_vm->_mouse->_siz.x >> 1);
+				e._y -= _vm->_mouse->_siz.y;
+				if (_vm->_mouse->_hold && e._spritePtr != _vm->_mouse->_hold) {
+					_vm->_mouse->_hold->touch(e._mask | kEventAttn,
+						e._x - _vm->_mouse->_hold->_pos2D.x, e._y - _vm->_mouse->_hold->_pos2D.y, e._keyCode);
+				}
+				// update mouse cursor position
+				if (e._mask & kMouseRoll)
+					_vm->_mouse->gotoxyz(V2D(_vm, e._x, e._y));
+			}
 
 			// activate current touched SPRITE
 			if (e._spritePtr) {
 				if (e._mask & kEventKeyb)
-					e._spritePtr->touch(e._mask, e._x, e._y, e._keyCode);
-				else
-					e._spritePtr->touch(e._mask, e._x - e._spritePtr->_pos2D.x, e._y - e._spritePtr->_pos2D.y, e._keyCode);
-			} else if (_vm->_sys)
-				_vm->_sys->touch(e._mask, V2D(_vm, e._x, e._y), e._keyCode);
-
-			if (e._mask & kMouseLeftDown) {
-				_vm->_mouse->_hold = e._spritePtr;
-				if (_vm->_mouse->_hold) {
-					_vm->_mouse->_hold->_flags._hold = true;
-
-					if (_vm->_mouse->_hold->_flags._drag) {
-						_vm->_mouse->_hx = e._x - _vm->_mouse->_hold->_pos2D.x;
-						_vm->_mouse->_hy = e._y - _vm->_mouse->_hold->_pos2D.y;
-					}
+					e._spritePtr->touch(e._mask, _vm->_mouse->_point.x, _vm->_mouse->_point.y, e._keyCode);
+				else {
+					V2D temp = _vm->_mouse->_point - e._spritePtr->_pos2D;
+					e._spritePtr->touch(e._mask, temp.x, temp.y, e._keyCode);
 				}
-			}
-
-			if (e._mask & kMouseLeftUp) {
-				if (_vm->_mouse->_hold) {
-					_vm->_mouse->_hold->_flags._hold = false;
-					_vm->_mouse->_hold = NULL;
-				}
-			}
-			///Touched = e.Ptr;
+			} else if (_vm->_sys)
+				_vm->_sys->touch(e._mask, _vm->_mouse->_point, e._keyCode);
 
 			// discard Text if button released
 			if (e._mask & (kMouseLeftUp | kMouseRightUp))
@@ -224,10 +213,6 @@ void EventManager::handleEvents() {
 		}
 		_eventQueueTail = (_eventQueueTail + 1) % kEventMax;
 	}
-	if (_vm->_mouse->_hold) {
-		if (_vm->_mouse->_hold->_flags._drag)
-			_vm->_mouse->_hold->gotoxyz(_vm->_mouse->_pos2D.x - _vm->_mouse->_hx, kWorldHeight - _vm->_mouse->_pos2D.y - _vm->_mouse->_hy);
-	}
 }
 
 void EventManager::clearEvent(Sprite *spr) {
diff --git a/engines/cge2/events.h b/engines/cge2/events.h
index 39fbf536b9..2522c34049 100644
--- a/engines/cge2/events.h
+++ b/engines/cge2/events.h
@@ -45,6 +45,7 @@ enum EventMask {
 	kMouseRightDown = 1 << 3,
 	kMouseRightUp = 1 << 4,
 	kEventAttn = 1 << 5,
+	kMouseMask = (kMouseRoll | kMouseLeftDown | kMouseLeftUp |	kMouseRightDown | kMouseRightUp),
 	kEventKeyb = 1 << 7
 };
 
@@ -75,6 +76,7 @@ struct CGE2Event {
 
 class Mouse : public Sprite {
 public:
+	V2D _point;
 	Sprite *_hold;
 	bool _active;
 	int _hx;
diff --git a/engines/cge2/talk.cpp b/engines/cge2/talk.cpp
index a6d9945665..54e9ea3764 100644
--- a/engines/cge2/talk.cpp
+++ b/engines/cge2/talk.cpp
@@ -34,6 +34,20 @@ void CGE2Engine::setAutoColors() {
 	warning("STUB: CGE2Engine::setAutoColors()");
 }
 
+Sprite *CGE2Engine::spriteAt(V2D pos) {
+	Sprite *spr;
+	
+	for (spr = _vga->_showQ->last(); spr; spr = spr->_prev) {
+		if (!spr->_flags._hide && !spr->_flags._tran) {
+			V2D temp = pos - spr->_pos2D;
+			if (spr->getShp()->solidAt(temp.x, temp.y))
+				break;
+		}
+	}
+
+	return spr;
+}
+
 Font::Font(CGE2Engine *vm) : _vm(vm) {
 	_map = new uint8[kMapSize];
 	_pos = new uint16[kPosSize];
-- 
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