SCUMM HE: Work on receiving part of Moonbase Commander networking

7 files changed, 122 insertions, 4 deletions

diff --git a/engines/scumm/he/intern_he.h b/engines/scumm/he/intern_he.h
index 25dd31f007..bd0ab76f09 100644
--- a/engines/scumm/he/intern_he.h
+++ b/engines/scumm/he/intern_he.h
@@ -592,6 +592,8 @@ protected:
 
 class ScummEngine_v100he : public ScummEngine_v99he {
 friend class AI;
+friend class Moonbase;
+friend class Net;
 
 protected:
 	ResType _heResType;
@@ -663,6 +665,10 @@ protected:
 	byte VAR_U32_USER_VAR_D;
 	byte VAR_U32_USER_VAR_E;
 	byte VAR_U32_USER_VAR_F;
+
+	byte VAR_REMOTE_START_SCRIPT;
+	byte VAR_NETWORK_AVAILABLE;
+	byte VAR_NETWORK_RECEIVE_ARRAY_SCRIPT;
 };
 
 class ScummEngine_vCUPhe : public Engine {
diff --git a/engines/scumm/he/logic/moonbase_logic.cpp b/engines/scumm/he/logic/moonbase_logic.cpp
index 8e4b5c9cc7..d16f8f9cf1 100644
--- a/engines/scumm/he/logic/moonbase_logic.cpp
+++ b/engines/scumm/he/logic/moonbase_logic.cpp
@@ -41,6 +41,8 @@ public:
 
 	int versionID();
 
+	int startOfFrame();
+
 	int32 dispatch(int op, int numArgs, int32 *args);
 
 private:
@@ -162,6 +164,11 @@ int LogicHEmoonbase::versionID() {
 #define OP_NET_ENABLE_SESSION_PLAYER_JOIN	1564
 #define OP_NET_SET_AI_PLAYER_COUNT			1565
 
+int LogicHEmoonbase::startOfFrame() {
+	_vm1->_moonbase->_net->doNetworkOnceAFrame(15); // Value should be passed in...
+
+	return 0;
+}
 
 int32 LogicHEmoonbase::dispatch(int op, int numArgs, int32 *args) {
 	switch (op) {
diff --git a/engines/scumm/he/moonbase/moonbase.cpp b/engines/scumm/he/moonbase/moonbase.cpp
index 2f99e32c2b..1c03fc7300 100644
--- a/engines/scumm/he/moonbase/moonbase.cpp
+++ b/engines/scumm/he/moonbase/moonbase.cpp
@@ -23,7 +23,7 @@
 #include "scumm/he/intern_he.h"
 #include "scumm/he/moonbase/moonbase.h"
 #include "scumm/he/moonbase/ai_main.h"
-#ifdef USE_SDL_NET
+#ifdef USE_CURL
 #include "scumm/he/moonbase/net_main.h"
 #endif
 
@@ -33,14 +33,17 @@ Moonbase::Moonbase(ScummEngine_v100he *vm) : _vm(vm) {
 	initFOW();
 
 	_ai = new AI(_vm);
-#ifdef USE_SDL_NET
+#ifdef USE_CURL
 	_net = new Net(_vm);
+	_vm->VAR(_vm->VAR_NETWORK_AVAILABLE) = 1;
+#else
+	_vm->VAR(_vm->VAR_NETWORK_AVAILABLE) = 0;
 #endif
 }
 
 Moonbase::~Moonbase() {
 	delete _ai;
-#ifdef USE_SDL_NET
+#ifdef USE_CURL
 	delete _net;
 #endif
 }
diff --git a/engines/scumm/he/moonbase/net_main.cpp b/engines/scumm/he/moonbase/net_main.cpp
index fe2fae1081..61ee2a967e 100644
--- a/engines/scumm/he/moonbase/net_main.cpp
+++ b/engines/scumm/he/moonbase/net_main.cpp
@@ -278,4 +278,99 @@ void Net::getProviderName(int providerIndex, char *buffer, int length) {
 	warning("STUB: Net::getProviderName(%d, \"%s\", %d)", providerIndex, buffer, length); // PN_GetProviderName
 }
 
+int Net::getMessageCount() {
+	return 0; // FIXME
+}
+
+void Net::remoteReceiveData() {
+	// FIXME. Get data into _packbuffer
+	uint type = READ_UINT32(_packbuffer);
+	uint len = READ_UINT32(_packbuffer + 4);
+	uint timestamp = READ_UINT32(_packbuffer + 8);
+	byte *p;
+	uint32 *params;
+
+	switch (type) {
+	case PACKETTYPE_REMOTESTARTSCRIPT:
+		{
+			p = _packbuffer + 12;
+			params = (uint32 *)_tmpbuffer;
+
+			for (int i = 0; i < 24; i++) {
+				*params = READ_UINT32(p);
+				params++;
+				p += 4;
+			}
+
+			_vm->runScript(_vm->VAR(_vm->VAR_REMOTE_START_SCRIPT), 1, 0, (int *)_tmpbuffer);
+		}
+		break;
+
+	case PACKETTYPE_REMOTESTARTSCRIPTRETURN:
+		{
+			p = _packbuffer + 12;
+			params = (uint32 *)_tmpbuffer;
+
+			for (int i = 0; i < 24; i++) {
+				*params = READ_UINT32(p);
+				params++;
+				p += 4;
+			}
+
+			_vm->runScript(_vm->VAR(_vm->VAR_REMOTE_START_SCRIPT), 1, 0, (int *)_tmpbuffer);
+			int res = _vm->pop();
+
+			WRITE_UINT32(_tmpbuffer, res);
+
+			// FIXME
+			remoteSendData(PN_SENDTYPE_INDIVIDUAL, 0 /* gdefMultiPlay.from */, PACKETTYPE_REMOTESTARTSCRIPTRESULT, _tmpbuffer, 4, 0);
+		}
+		break;
+
+	case PACKETTYPE_REMOTESTARTSCRIPTRESULT:
+		//
+		// Ignore it.
+		//
+
+		break;
+
+	case PACKETTYPE_REMOTESENDSCUMMARRAY:
+		{
+			int newArray;
+
+			// Assume that the packet data contains a "SCUMM PACKAGE"
+			// and unpack it into an scumm array :-)
+
+			newArray = _vm->findFreeArrayId();
+			unpackageArray(newArray, _packbuffer + 12, len);
+			memset(_tmpbuffer, 0, 25 * 4);
+			WRITE_UINT32(_tmpbuffer, newArray);
+
+			// Quick start the script (1st param is the new array)
+			_vm->runScript(_vm->VAR(_vm->VAR_NETWORK_RECEIVE_ARRAY_SCRIPT), 1, 0, (int *)_tmpbuffer);
+		}
+		break;
+
+	default:
+		warning("Moonbase: Received unknown network command %d", type);
+	}
+}
+
+void Net::unpackageArray(int arrayId, byte *data, int len) {
+	warning("STUB: unpackageArray");
+}
+
+
+void Net::doNetworkOnceAFrame(int msecs) {
+	int	tickCount = g_system->getMillis() + msecs;
+
+	while (getMessageCount()) {
+		remoteReceiveData();
+
+		if (tickCount >= g_system->getMillis()) {
+			break;
+		}
+	}
+}
+
 } // End of namespace Scumm
diff --git a/engines/scumm/he/moonbase/net_main.h b/engines/scumm/he/moonbase/net_main.h
index 00ec6cafe0..1d6af49ea3 100644
--- a/engines/scumm/he/moonbase/net_main.h
+++ b/engines/scumm/he/moonbase/net_main.h
@@ -62,8 +62,12 @@ public:
 	int remoteSendData(int typeOfSend, int sendTypeParam, int type, byte *data, int len, int defaultRes);
 	void remoteSendArray(int typeOfSend, int sendTypeParam, int priority, int arrayIndex);
 	int remoteStartScriptFunction(int typeOfSend, int sendTypeParam, int priority, int defaultReturnValue, int argsCount, int32 *args);
+	void doNetworkOnceAFrame(int msecs);
+	void unpackageArray(int arrayId, byte *data, int len);
 
 private:
+	int getMessageCount();
+	void remoteReceiveData();
 
 public:
 	//getters
diff --git a/engines/scumm/module.mk b/engines/scumm/module.mk
index 799176f869..c9319e85a1 100644
--- a/engines/scumm/module.mk
+++ b/engines/scumm/module.mk
@@ -154,7 +154,7 @@ MODULE_OBJS += \
 	he/moonbase/moonbase.o \
 	he/moonbase/moonbase_fow.o
 
-ifdef USE_SDL_NET
+ifdef USE_LIBCURL
 MODULE_OBJS += \
 	he/moonbase/net_main.o
 endif
diff --git a/engines/scumm/vars.cpp b/engines/scumm/vars.cpp
index e5ba4a68ee..4f00e71f0d 100644
--- a/engines/scumm/vars.cpp
+++ b/engines/scumm/vars.cpp
@@ -346,6 +346,9 @@ void ScummEngine_v100he::setupScummVars() {
 	ScummEngine_v90he::setupScummVars();
 
 	if (_game.id == GID_MOONBASE) {
+		VAR_REMOTE_START_SCRIPT = 98;
+		VAR_NETWORK_AVAILABLE = 100;
+		VAR_NETWORK_RECEIVE_ARRAY_SCRIPT = 101;
 		VAR_U32_USER_VAR_A = 108;
 		VAR_U32_USER_VAR_B = 109;
 		VAR_U32_USER_VAR_C = 110;