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engines/m4/core/globals.h

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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/>.
+ *
+ */
+
+/**
+ * I know this is confusing, but the original game had two different Globals arrays
+ */
+
+#ifndef M4_CORE_GLOBALS_H
+#define M4_CORE_GLOBALS_H
+
+#include "common/array.h"
+#include "common/serializer.h"
+#include "m4/fileio/sys_file.h"
+#include "m4/m4_types.h"
+
+namespace M4 {
+
+/**
+ * Global entry constants
+ */
+enum {
+	GLB_TIME = 0,
+	GLB_WATCH_DOG = 1,
+	GLB_MIN_Y = 2,
+	GLB_MAX_Y = 3,
+	GLB_MIN_SCALE = 4,
+	GLB_MAX_SCALE = 5,
+	GLB_SCALER = 6,
+
+	GLB_TEMP_1 = 7,
+	GLB_TEMP_2 = 8,
+	GLB_TEMP_3 = 9,
+	GLB_TEMP_4 = 10,
+	GLB_TEMP_5 = 11,
+	GLB_TEMP_6 = 12,
+	GLB_TEMP_7 = 13,
+	GLB_TEMP_8 = 14,
+	GLB_TEMP_9 = 15,
+	GLB_TEMP_10 = 16,
+	GLB_TEMP_11 = 17,
+	GLB_TEMP_12 = 18,
+	GLB_TEMP_13 = 19,
+	GLB_TEMP_14 = 20,
+	GLB_TEMP_15 = 21,
+	GLB_TEMP_16 = 22,
+	GLB_TEMP_17 = 23,
+	GLB_TEMP_18 = 24,
+	GLB_TEMP_19 = 25,
+	GLB_TEMP_20 = 26,
+	GLB_TEMP_21 = 27,
+	GLB_TEMP_22 = 28,
+	GLB_TEMP_23 = 29,
+	GLB_TEMP_24 = 30,
+	GLB_TEMP_25 = 31,
+	GLB_TEMP_26 = 32,
+	GLB_TEMP_27 = 33,
+	GLB_TEMP_28 = 34,
+	GLB_TEMP_29 = 35,
+	GLB_TEMP_30 = 36,
+	GLB_TEMP_31 = 37,
+	GLB_TEMP_32 = 38,
+
+	GLB_SCRATCH_VARS = 7,	// 19-16 globals reserved for the compiler
+	GLB_USER_VARS = 17		// 17+ globals for the applications programmer
+};
+
+constexpr int GLB_SHARED_VARS = 256;
+
+} // namespace M4
+
+#endif