AVALANCHE: Add Sequence.

2 files changed, 174 insertions, 0 deletions

diff --git a/engines/avalanche/sequence2.cpp b/engines/avalanche/sequence2.cpp
new file mode 100644
index 0000000000..851dcb139a
--- /dev/null
+++ b/engines/avalanche/sequence2.cpp
@@ -0,0 +1,109 @@
+/* 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 2
+ * 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+/*
+ * This code is based on the original source code of Lord Avalot d'Argent version 1.3.
+ * Copyright (c) 1994-1995 Mike, Mark and Thomas Thurman.
+ */
+
+/* SEQUENCE		The sequencer. */
+
+#include "avalanche/sequence2.h"
+#include "common/scummsys.h"
+#include "avalanche/gyro2.h"
+#include "avalanche/timeout2.h"
+#include "avalanche/celer2.h"
+#include "avalanche/trip6.h"
+
+namespace Avalanche {
+
+	namespace Sequence {
+
+	void then_show(byte what) {
+		byte fv;
+		for (fv = 1; fv <= seq_length; fv ++)
+			if (seq[fv] == 0) {
+				seq[fv] = what;
+				return;
+			}
+	}
+
+	void first_show(byte what) {
+		/* First, we need to blank out the entire array. */
+		for (int i = 0; i < sizeof(seq); i++)
+			seq[i] = 0;
+
+		/* Then it's just the same as then_show. */
+		then_show(what);
+
+	}
+
+	void then_flip(byte where, byte ped) {
+		then_show(now_flip);
+
+		Gyro::dna.flip_to_where = where;
+		Gyro::dna.flip_to_ped = ped;
+	}
+
+	void start_to_close() {
+		Timeout::lose_timer(Timeout::reason_sequencer);
+		Timeout::set_up_timer(7, Timeout::PROCsequence, Timeout::reason_sequencer);
+	}
+
+	void start_to_open() {
+		Gyro::dna.user_moves_avvy = false; /* They can't move. */
+		Trip::stopwalking(); /* And they're not moving now. */
+		start_to_close(); /* Apart from that, it's the same thing. */
+	}
+
+	void call_sequencer();
+
+	/* This PROC is called by Timeout when it's time to do another frame. */
+	static void shove_left() {
+		memcpy(seq, seq+1, seq_length - 1); /* Shift everything to the left. */
+	}
+
+	void call_sequencer() {
+		switch (seq[0]) {
+		case 0:
+			return;
+			break; /* No more routines. */
+		case 177: {
+			Gyro::dna.user_moves_avvy = true;
+			Trip::fliproom(Gyro::dna.flip_to_where, Gyro::dna.flip_to_ped); /* 177 = Flip room. */
+			if (seq[0] == 177)  shove_left();
+			}
+			break;
+		}
+
+		if ((seq[0] >= 1) && (seq[0] <= 176)) {
+			/* Show a frame. */
+			Celer::show_one(seq[1]);
+			shove_left();
+		}
+	
+		start_to_close(); /* Make sure this PROC gets called again. */
+	}
+
+	} // End of namespace Sequence .
+
+} // End of namespace Avalanche.
diff --git a/engines/avalanche/sequence2.h b/engines/avalanche/sequence2.h
new file mode 100644
index 0000000000..0e53ccf2a1
--- /dev/null
+++ b/engines/avalanche/sequence2.h
@@ -0,0 +1,65 @@
+/* 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 2
+ * 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+/*
+ * This code is based on the original source code of Lord Avalot d'Argent version 1.3.
+ * Copyright (c) 1994-1995 Mike, Mark and Thomas Thurman.
+ */
+
+/* SEQUENCE		The sequencer. */
+
+#ifndef SEQUENCE2_H
+#define SEQUENCE2_H
+
+#include "common/scummsys.h"
+
+namespace Avalanche {
+
+	namespace Sequence {
+
+		const int16 now_flip = 177;
+
+		const int16 seq_length = 10;
+
+
+
+		byte seq[seq_length];
+
+
+
+		void first_show(byte what);
+
+		void then_show(byte what);
+
+		void then_flip(byte where, byte ped);
+
+		void start_to_close();
+
+		void start_to_open();
+
+		void call_sequencer();
+
+	} // End of namespace Sequence .
+
+} // End of namespace Avalanche.
+
+#endif // SEQUENCE2_H