Add WIP (not yet plugged in) Protracker modules player

svn-id: r24351

1 files changed, 177 insertions, 0 deletions

diff --git a/sound/mods/module.cpp b/sound/mods/module.cpp
new file mode 100644
index 0000000000..26abf3147e
--- /dev/null
+++ b/sound/mods/module.cpp
@@ -0,0 +1,177 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2006 The ScummVM project
+ * Based on code by madmoose
+ *
+ * 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.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#include "common/stdafx.h"
+#include "common/system.h"
+#include "common/file.h"
+#include "common/stream.h"
+
+#include "sound/mods/module.h"
+
+namespace Modules {
+
+bool Module::load(const char *fn) {
+	Common::File f;
+
+	if (!f.open(fn))
+		return false;
+
+	int bufsz = f.size();
+	byte *buf = new byte[bufsz];
+
+	int r = f.read(buf, bufsz);
+	assert(r);
+
+	f.close();
+
+	Common::MemoryReadStream st(buf, bufsz);
+
+	st.read(songname, 20);
+	songname[0] = '\0';
+
+	for (int i = 0; i < 31; ++i) {
+		st.read(sample[i].name, 22);
+		sample[i].name[22] = '\0';
+		sample[i].len = 2 * st.readUint16BE();
+
+		sample[i].finetune = st.readByte();
+		assert(sample[i].finetune < 0x10);
+
+		sample[i].vol = st.readByte();
+		sample[i].repeat = 2 * st.readUint16BE();
+		sample[i].replen = 2 * st.readUint16BE();
+
+		//printf("\"%s\"\tlen: %d\tfinetune: %d\tvol: %d\trepeat: %d\treplen: %d\n",
+		//       sample[i].name, sample[i].len, sample[i].finetune, sample[i].vol, sample[i].repeat, sample[i].replen);
+
+	}
+
+	songlen = 2 * st.readByte();
+	undef = 2 * st.readByte();
+
+	st.read(songpos, 128);
+	st.read(sig, 4);	// Should be "M.K."
+	assert(0 == memcmp(sig, "M.K.", 4));
+
+	int maxpattern = 0;
+	for (int i = 0; i < 128; ++i)
+		if (maxpattern < songpos[i])
+			maxpattern = songpos[i];
+
+	pattern = new pattern_t[maxpattern + 1];
+
+	for (int i = 0; i <= maxpattern; ++i) {
+		for (int j = 0; j < 64; ++j) {
+			for (int k = 0; k < 4; ++k) {
+				uint32 note = st.readUint32BE();
+				pattern[i][j][k].sample = (note & 0xf0000000) >> 24 | (note & 0x0000f000) >> 12;
+
+				pattern[i][j][k].period = (note >> 16) & 0xfff;
+				pattern[i][j][k].effect = note & 0xfff;
+/*
+        const char *notename;
+
+        switch (pattern[i][j][k].period) {
+          case 856: notename = "C-1"; break;
+          case 808: notename = "C#1"; break;
+          case 762: notename = "D-1"; break;
+          case 720: notename = "D#1"; break;
+          case 678: notename = "E-1"; break;
+          case 640: notename = "E#1"; break;
+          case 604: notename = "F-1"; break;
+          case 570: notename = "F#1"; break;
+          case 538: notename = "A-1"; break;
+          case 508: notename = "A#1"; break;
+          case 480: notename = "B-1"; break;
+          case 453: notename = "B#1"; break;
+          case 428: notename = "C-2"; break;
+          case 404: notename = "C#2"; break;
+          case 381: notename = "D-2"; break;
+          case 360: notename = "D#2"; break;
+          case 339: notename = "E-2"; break;
+          case 320: notename = "E#2"; break;
+          case 302: notename = "F-2"; break;
+          case 285: notename = "F#2"; break;
+          case 269: notename = "A-2"; break;
+          case 254: notename = "A#2"; break;
+          case 240: notename = "B-2"; break;
+          case 226: notename = "B#2"; break;
+          case 214: notename = "C-3"; break;
+          case 202: notename = "C#3"; break;
+          case 190: notename = "D-3"; break;
+          case 180: notename = "D#3"; break;
+          case 170: notename = "E-3"; break;
+          case 160: notename = "E#3"; break;
+          case 151: notename = "F-3"; break;
+          case 143: notename = "F#3"; break;
+          case 135: notename = "A-3"; break;
+          case 127: notename = "A#3"; break;
+          case 120: notename = "B-3"; break;
+          case 113: notename = "B#3"; break;
+          case   0: notename = "   "; break;
+          default:  notename = "???"; break;
+        }
+
+        if (k > 0) printf("  |  ");
+
+        if (pattern[i][j][k].sample)
+          printf("%2d %s %3X", pattern[i][j][k].sample, notename, pattern[i][j][k].effect);
+        else
+          printf("   %s %3X", notename, pattern[i][j][k].effect);
+*/
+			}
+			//printf("\n");
+		}
+	}
+
+	for (int i = 0; i < 31; ++i) {
+		if (!sample[i].len)
+			sample[i].data = 0;
+		else {
+			sample[i].data = new byte[sample[i].len];
+			st.read((byte *)sample[i].data, sample[i].len);
+		}
+	}
+
+	assert(st.eos());
+
+	delete[] buf;
+
+	return true;
+}
+
+Module::Module() {
+	pattern = NULL;
+	for (int i = 0; i < 31; ++i) {
+		sample[i].data = NULL;
+	}
+}
+
+Module::~Module() {
+	delete[] pattern;
+	for (int i = 0; i < 31; ++i) {
+		delete[] sample[i].data;
+	}
+}
+
+} // End of namespace Modules