[Scummvm-cvs-logs] scummvm master -> 0f02cdb4aa0a0e29bea414583a6db8a5ae389f49

[dreammaster]

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Summary:
0f02cdb4aa MADS: Fix crash in stream crossing death, simplify SpriteSets class


Commit: 0f02cdb4aa0a0e29bea414583a6db8a5ae389f49
    https://github.com/scummvm/scummvm/commit/0f02cdb4aa0a0e29bea414583a6db8a5ae389f49
Author: Paul Gilbert (dreammaster at scummvm.org)
Date: 2015-03-14T10:11:19-04:00

Commit Message:
MADS: Fix crash in stream crossing death, simplify SpriteSets class

Changed paths:
    engines/mads/game.cpp
    engines/mads/player.cpp
    engines/mads/scene.cpp
    engines/mads/sprites.cpp
    engines/mads/sprites.h



diff --git a/engines/mads/game.cpp b/engines/mads/game.cpp
index 74c2a3f..b601a12 100644
--- a/engines/mads/game.cpp
+++ b/engines/mads/game.cpp
@@ -160,7 +160,7 @@ void Game::gameLoop() {
 			sectionLoop();
 
 		_player.releasePlayerSprites();
-		assert(_scene._sprites._assetCount == 0);
+		assert(_scene._sprites.size() == 0);
 
 		_vm->_palette->unlock();
 		_vm->_events->waitCursor();
diff --git a/engines/mads/player.cpp b/engines/mads/player.cpp
index 38e8638..f61a5a1 100644
--- a/engines/mads/player.cpp
+++ b/engines/mads/player.cpp
@@ -709,7 +709,7 @@ void Player::releasePlayerSprites() {
 	_spritesLoaded = false;
 	_spritesChanged = true;
 
-	if (scene._sprites._assetCount > 0) {
+	if (scene._sprites.size() > 0) {
 		warning("Player::releasePlayerSprites(): leftover sprites remain, clearing list");
 		scene._sprites.clear();
 	}
diff --git a/engines/mads/scene.cpp b/engines/mads/scene.cpp
index bbc83a7..463d4a6 100644
--- a/engines/mads/scene.cpp
+++ b/engines/mads/scene.cpp
@@ -676,7 +676,7 @@ void Scene::freeCurrentScene() {
 }
 
 void Scene::removeSprites() {
-	for (int idx = _sprites._assetCount - 1; idx >= _spritesCount; --idx)
+	for (int idx = _sprites.size() - 1; idx >= _spritesCount; --idx)
 		_sprites.remove(idx);
 }
 
diff --git a/engines/mads/sprites.cpp b/engines/mads/sprites.cpp
index 19742e2..6488add 100644
--- a/engines/mads/sprites.cpp
+++ b/engines/mads/sprites.cpp
@@ -368,19 +368,18 @@ SpriteSets::~SpriteSets() {
 }
 
 int SpriteSets::add(SpriteAsset *asset, int idx) {
-	if (idx)
-		idx = idx + 49;
-	else
-		idx = _assetCount++;
+	if (idx) {
+		assert(idx == 1);
+		delete _uiSprites;
+		_uiSprites = asset;
 
-	if (idx >= (int)size())
-		resize(idx + 1);
+		return SPRITE_SLOTS_MAX_SIZE;
+	} else {
+		assert(size() < SPRITE_SLOTS_MAX_SIZE);
+		push_back(asset);
 
-	if ((*this)[idx])
-		delete (*this)[idx];
-
-	(*this)[idx] = asset;
-	return idx;
+		return (int)size() - 1;
+	}
 }
 
 int SpriteSets::addSprites(const Common::String &resName, int flags) {
@@ -390,26 +389,29 @@ int SpriteSets::addSprites(const Common::String &resName, int flags) {
 void SpriteSets::clear() {
 	for (uint i = 0; i < size(); ++i)
 		delete (*this)[i];
-
-	_assetCount = 0;
 	Common::Array<SpriteAsset *>::clear();
+
+	delete _uiSprites;
+	_uiSprites = nullptr;
 }
 
 void SpriteSets::remove(int idx) {
-	if (idx >= 0) {
-		if (idx < ((int)size() - 1)) {
-			delete (*this)[idx];
-			(*this)[idx] = nullptr;
-		} else {
-			do {
-				delete (*this)[size() - 1];
-				remove_at(size() - 1);
-			} while (size() > 0 && (*this)[size() - 1] == nullptr);
-		}
+	if (idx == SPRITE_SLOTS_MAX_SIZE) {
+		delete _uiSprites;
+		_uiSprites = nullptr;
+	} else if (idx >= 0) {
+		delete (*this)[idx];
 
-		if (idx < 50 && _assetCount > 0)
-			--_assetCount;
+		if (idx == ((int)size() - 1))
+			remove_at(size() - 1);
+		else
+			(*this)[idx] = nullptr;
 	}
 }
 
+SpriteAsset *&SpriteSets::operator[](int idx) {
+	return (idx == SPRITE_SLOTS_MAX_SIZE) ? _uiSprites :
+		Common::Array<SpriteAsset *>::operator[](idx);
+}
+
 } // End of namespace MADS
diff --git a/engines/mads/sprites.h b/engines/mads/sprites.h
index 6ea3c9e..bb5fdbe 100644
--- a/engines/mads/sprites.h
+++ b/engines/mads/sprites.h
@@ -202,12 +202,12 @@ class SpriteSets : public Common::Array<SpriteAsset *> {
 private:
 	MADSEngine *_vm;
 public:
-	int _assetCount;
-
+	SpriteAsset *_uiSprites;
+public:
 	/**
 	 * Constructor
 	 */
-	SpriteSets(MADSEngine *vm) : _vm(vm), _assetCount(0) {}
+	SpriteSets(MADSEngine *vm) : _vm(vm), _uiSprites(nullptr) {}
 
 	/**
 	 * Destructor
@@ -233,6 +233,8 @@ public:
 	 * Remove an asset from the list
 	 */
 	void remove(int idx);
+
+	SpriteAsset *&operator[](int idx);
 };
 
 } // End of namespace MADS