1 files changed, 92 insertions, 0 deletions
diff --git a/engines/sherlock/inventory.cpp b/engines/sherlock/inventory.cpp
index 634e664f5a..cbb69f1041 100644
--- a/engines/sherlock/inventory.cpp
+++ b/engines/sherlock/inventory.cpp
@@ -21,7 +21,99 @@
  */
 
 #include "sherlock/inventory.h"
+#include "sherlock/sherlock.h"
 
 namespace Sherlock {
 
+Inventory::Inventory(SherlockEngine *vm) : Common::Array<InventoryItem>(), _vm(vm) {
+	Common::fill(&_invShapes[0], &_invShapes[MAX_VISIBLE_INVENTORY], (ImageFile *)nullptr);
+	_invGraphicsLoaded = false;
+	_invIndex = 0;
+	_holdings = 0;
+}
+
+Inventory::~Inventory() {
+	freeGraphics();
+}
+
+void Inventory::freeInventory() {
+	freeGraphics();
+
+	_names.clear();
+	_invGraphicsLoaded = false;
+}
+
+/**
+ * Free any loaded inventory graphics
+ */
+void Inventory::freeGraphics() {
+	for (uint idx = 0; idx < MAX_VISIBLE_INVENTORY; ++idx)
+		delete _invShapes[idx];
+	
+	Common::fill(&_invShapes[0], &_invShapes[MAX_VISIBLE_INVENTORY], (ImageFile *)nullptr);
+	_invGraphicsLoaded = false;
+}
+
+/** Load the list of names the inventory items correspond to.
+ */
+void Inventory::loadInv() {
+	// Exit if the inventory names are already loaded
+	if (_names.size() > 0)
+		return;
+
+	// Load the inventory names
+	Common::SeekableReadStream *stream = _vm->_res->load("invent.txt");
+	_names.clear();
+
+	while (stream->pos() < stream->size()) {
+		Common::String name;
+		char c;
+		while ((c = stream->readByte()) != 0)
+			name += c;
+
+		_names.push_back(name);
+	}
+	
+	delete stream;
+}
+
+/**
+ * Load the list of names of graphics for the inventory
+ */
+void Inventory::loadGraphics() {
+	if (_invGraphicsLoaded)
+		return;
+
+	// Default all inventory slots to empty
+	Common::fill(&_invShapes[0], &_invShapes[MAX_VISIBLE_INVENTORY], (ImageFile *)nullptr);
+
+	for (int idx = _invIndex; (idx < _holdings) && (idx - _invIndex) < 6; ++idx) {
+		// Get the name of the item to be dispalyed, figure out it's accompanying
+		// .VGS file with it's picture, and then load it
+		int invNum = findInv((*this)[idx]._name);
+		Common::String fName = Common::String::format("item%02d.vgs", invNum);
+
+		_invShapes[idx] = new ImageFile(fName);
+	}
+
+	_invGraphicsLoaded = true;
+}
+
+/**
+ * Searches through the list of names that correspond to the inventory items
+ * and returns the numer that matches the passed name
+ */
+int Inventory::findInv(const Common::String &name) {
+	int result = -1;
+
+	for (uint idx = 0; (idx < _holdings) && result == -1; ++idx) {
+		if (scumm_stricmp(name.c_str(), _names[idx].c_str()) == 0)
+			result = idx;
+	}
+
+	if (result == -1)
+		result = 1;
+	return result;
+}
+
 } // End of namespace Sherlock