Initial commit

engines/scumm/script_v3.cpp

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "scumm/scumm_v3.h"
+#include "scumm/actor.h"
+
+namespace Scumm {
+
+#define OPCODE(i, x)	_opcodes[i]._OPCODE(ScummEngine_v3, x)
+
+void ScummEngine_v3::setupOpcodes() {
+	ScummEngine_v4::setupOpcodes();
+
+	if (!(_game.id == GID_LOOM && _game.platform == Common::kPlatformPCEngine)) {
+		OPCODE(0x30, o3_setBoxFlags);
+		OPCODE(0xb0, o3_setBoxFlags);
+	}
+
+	OPCODE(0x3b, o3_waitForActor);
+	OPCODE(0xbb, o3_waitForActor);
+
+	OPCODE(0x4c, o3_waitForSentence);
+}
+
+void ScummEngine_v3::o3_setBoxFlags() {
+	int a, b;
+
+	a = getVarOrDirectByte(PARAM_1);
+	b = fetchScriptByte();
+	setBoxFlags(a, b);
+}
+
+void ScummEngine_v3::o3_waitForActor() {
+	// This opcode was a NOP in LOOM. Also, we cannot directly use
+	// o2_waitForActor because there the _scriptPointer is different (it
+	// assumes that getVar reads only a single byte, which is correct
+	// for v2 but not for v3). Of course we could copy the code here to
+	// o2_waitForActor and then merge the two, but right now I am
+	// keeping this as it is.
+	if (_game.id == GID_INDY3) {
+		const byte *oldaddr = _scriptPointer - 1;
+		Actor *a = derefActor(getVarOrDirectByte(PARAM_1), "o3_waitForActor");
+		if (a->_moving) {
+			_scriptPointer = oldaddr;
+			o5_breakHere();
+		}
+	}
+}
+
+void ScummEngine_v3::o3_waitForSentence() {
+	if (_sentenceNum) {
+		if (_sentence[_sentenceNum - 1].freezeCount && !isScriptInUse(VAR(VAR_SENTENCE_SCRIPT)))
+			return;
+	} else if (!isScriptInUse(VAR(VAR_SENTENCE_SCRIPT)))
+		return;
+
+	_scriptPointer--;
+	o5_breakHere();
+}
+
+
+
+} // End of namespace Scumm