Initial commit

engines/m4/adv_r/adv_trigger.h

@@ -0,0 +1,76 @@
+
+/* 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/>.
+ *
+ */
+
+#ifndef M4_ADV_R_ADV_TRIGGER_H
+#define M4_ADV_R_ADV_TRIGGER_H
+
+#include "m4/m4_types.h"
+#include "m4/adv_r/adv.h"
+
+namespace M4 {
+
+constexpr int NO_TRIGGER = -1;
+constexpr int TENTH_SECOND = 6;
+constexpr int MAX_TIMERS = 32;
+
+struct Triggers {
+	int32 _time_q[MAX_TIMERS];
+	int32 _time_trigger_q[MAX_TIMERS];
+	int32 _time_q_end = 0;
+
+	int32 _sound_trigger_q[MAX_TIMERS];
+	int32 _q_start = 0;
+	int32 _q_end = 0;
+};
+
+/**
+ * Create a new trigger
+ * Trigger usage:
+ * [31-28][27-16][15-0]
+ *   |        |      |
+ *   |        |      +--- trigger_num (0 - 0xffff)
+ *   |        +--- room_id (0 - 4096) (0 - 0xfff)
+ *   +--- trigger_mode (0-16)
+ */
+int32 kernel_trigger_create(int32 trigger_num);
+int32 kernel_trigger_create_mode(int32 trigger_num, int32 desired_mode);
+
+/**
+ * Dispatches a trigger.
+ * @returns		Returns true if the trigger was handled. If the trigger is for
+ * a different room that current room_id, returns false. If no trigger_mode was
+ * attached to the trigger, returns false
+ */
+bool kernel_trigger_dispatchx(int32 trigger_num);
+bool kernel_trigger_dispatch_now(int32 trigger_num);
+void kernel_timing_trigger(int32 ticks, int16 trigger, const char *name = nullptr);
+void kernel_timing_trigger_daemon(int32 ticks, int16 trigger);
+void kernel_timing_trigger(int32 ticks, int16 trigger,
+	KernelTriggerType preMode, KernelTriggerType postMode);
+
+void cisco_dispatch_triggers();
+void cisco_clear_triggers();
+void kernel_service_timing_trigger_q();
+
+} // End of namespace M4
+
+#endif