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engines/ags/engine/ac/dynobj/script_system.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 "ags/engine/debugging/debug_log.h"
+#include "ags/engine/ac/dynobj/script_system.h"
+#include "ags/shared/script/cc_common.h" // cc_error
+
+namespace AGS3 {
+
+int32_t ScriptSystem::ReadInt32(void *address, intptr_t offset) {
+	const int index = offset / sizeof(int32_t);
+	switch (index) {
+	case 0:
+		return width;
+	case 1:
+		return height;
+	case 2:
+		return coldepth;
+	case 3:
+		return os;
+	case 4:
+		return windowed;
+	case 5:
+		return vsync;
+	case 6:
+		return viewport_width;
+	case 7:
+		return viewport_height;
+	default:
+		cc_error("ScriptSystem: unsupported variable offset %d", offset);
+		return 0;
+	}
+}
+
+void ScriptSystem::WriteInt32(void *address, intptr_t offset, int32_t val) {
+	const int index = offset / sizeof(int32_t);
+	switch (index) {
+	case 0:
+	case 1:
+	case 2:
+	case 3:
+	case 4:
+	case 6:
+	case 7:
+		debug_script_warn("ScriptSystem: attempt to write in readonly variable at offset %d, value %d", offset, val);
+		break;
+	case 5:
+		vsync = val;
+		break;
+	default:
+		cc_error("ScriptSystem: unsupported variable offset %d", offset);
+		break;
+	}
+}
+
+} // namespace AGS3