CGE2: Start implementation of CommandHandler.

Implement constructor, destructor, addCommand() and add clear() ant _count.

2 files changed, 25 insertions, 5 deletions

diff --git a/engines/cge2/snail.cpp b/engines/cge2/snail.cpp
index c883606422..5b61d1f7ef 100644
--- a/engines/cge2/snail.cpp
+++ b/engines/cge2/snail.cpp
@@ -53,12 +53,14 @@ const char *CommandHandler::_commandText[] = {
 	"WALKTO", "REACH", "COVER", "UNCOVER",
 	NULL };
 
-CommandHandler::CommandHandler(CGE2Engine *vm, bool turbo) : _vm(vm) {
-	warning("STUB: CommandHandler::CommandHandler()");
+CommandHandler::CommandHandler(CGE2Engine *vm, bool turbo)
+	: _turbo(turbo), _textDelay(false), _timerExpiry(0), _talkEnable(true),
+      _head(0), _tail(0), _commandList((Command *)malloc(sizeof(Command)* 256)),
+      _count(1), _vm(vm) {
 }
 
 CommandHandler::~CommandHandler() {
-	warning("STUB: CommandHandler::~CommandHandler()");
+	free(_commandList);
 }
 
 void CommandHandler::runCommand() {
@@ -66,7 +68,17 @@ void CommandHandler::runCommand() {
 }
 
 void CommandHandler::addCommand(CommandType com, int ref, int val, void *ptr) {
-	warning("STUB: CommandHandler::addCommand()");
+	if (ref == 2)
+		ref = 142 - _vm->_sex;
+	Command *headCmd = &_commandList[_head++];
+	headCmd->_commandType = com;
+	headCmd->_ref = ref;
+	headCmd->_val = val;
+	headCmd->_spritePtr = ptr;
+	headCmd->_cbType = kNullCB;
+	if (headCmd->_commandType == kCmdClear) {
+		clear();
+	}
 }
 
 void CommandHandler::addCallback(CommandType com, int ref, int val, CallbackType cbType) {
@@ -86,6 +98,12 @@ void CommandHandler::reset() {
 	warning("STUB: CommandHandler::reset()");
 }
 
+void CommandHandler::clear() {
+	_tail = _head;
+	_vm->killText();
+	_timerExpiry = 0;
+}
+
 int CommandHandler::com(const char *com) {
 	int i = _vm->takeEnum(_commandText, com);
 	return (i < 0) ? i : i + kCmdCom0 + 1;
diff --git a/engines/cge2/snail.h b/engines/cge2/snail.h
index a2f4bec028..889b16cd2d 100644
--- a/engines/cge2/snail.h
+++ b/engines/cge2/snail.h
@@ -131,6 +131,7 @@ public:
 	void insertCommand(CommandType com, int ref, int val, void *ptr);
 	bool idle();
 	void reset();
+	void clear();
 	int com(const char *com);
 private:
 	CGE2Engine *_vm;
@@ -139,7 +140,8 @@ private:
 	uint8 _tail;
 	bool _busy;
 	bool _textDelay;
-	uint32 _timerExpiry;
+	uint32 _timerExpiry; // "pause" in the original.
+	int _count;
 };
 
 } // End of namespace CGE2