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engines/ultima/nuvie/actors/u6_actor.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/>.
+ *
+ */
+
+#ifndef NUVIE_ACTORS_U6_ACTOR_H
+#define NUVIE_ACTORS_U6_ACTOR_H
+
+#include "ultima/nuvie/actors/actor.h"
+#include "ultima/nuvie/misc/actor_list.h"
+#include "ultima/nuvie/core/u6_objects.h"
+
+namespace Ultima {
+namespace Nuvie {
+
+enum ActorMovetype {
+	MOVETYPE_U6_NONE = 0,
+	MOVETYPE_U6_LAND = 1,
+	MOVETYPE_U6_WATER_LOW = 2, 	// skiffs, rafts
+	MOVETYPE_U6_WATER_HIGH = 3, // ships
+	MOVETYPE_U6_AIR_LOW = 4, 	// balloon, birds... this movetype cannot cross mountain tops.
+	MOVETYPE_U6_AIR_HIGH = 5, 	// dragons
+	MOVETYPE_U6_ETHEREAL = 6,
+};
+
+#define REMOVE_SURROUNDING_OBJS true
+
+#define ACTOR_MOVEMENT_FLAGS_CORPSER  0x10
+
+typedef struct {
+	uint16 base_obj_n;
+	uint8 frames_per_direction;
+	uint8 tiles_per_direction;
+	uint8 tiles_per_frame;
+	uint8 tile_start_offset; //used for ships where the frame_n starts at 8
+	uint16 dead_obj_n;
+	uint8 dead_frame_n;
+	bool can_laydown;
+	bool can_sit;
+	ActorTileType tile_type;
+	ActorMovetype movetype;
+	uint16 twitch_rand; //used to control how frequently an actor twitches, lower numbers twitch more
+	uint8 body_armor_class;
+} U6ActorType;
+
+class U6Actor: public Actor {
+protected:
+
+	const U6ActorType *actor_type;
+	const U6ActorType *base_actor_type;
+	ActorMovetype current_movetype;
+
+	sint8 walk_frame_inc; // added to walk_frame each step
+
+public:
+
+	U6Actor(Map *m, ObjManager *om, GameClock *c);
+	~U6Actor() override;
+
+	bool init(uint8 obj_status = NO_OBJ_STATUS) override;
+	uint16 get_downward_facing_tile_num() const override;
+	bool updateSchedule(uint8 hour, bool teleport = false) override;
+	void set_worktype(uint8 new_worktype, bool init = false) override;
+	void revert_worktype() override;
+	void change_base_obj_n(uint16 val) override;
+	void set_direction(NuvieDir d) override;
+	void face_location(uint16 lx, uint16 ly) override;
+	void clear() override;
+	bool move(uint16 new_x, uint16 new_y, uint8 new_z, ActorMoveFlags flags = 0) override;
+	bool check_move(uint16 new_x, uint16 new_y, uint8 new_z, ActorMoveFlags flags = 0) override;
+	void twitch() override;
+	void do_twitch();
+	void die(bool create_body = true) override;
+	void set_paralyzed(bool paralyzed) override;
+	void set_protected(bool val) override;
+	void set_charmed(bool val) override;
+	void set_corpser_flag(bool val) override;
+	void set_cursed(bool val) override;
+	void set_asleep(bool val) override;
+	void set_ethereal(bool val) override {
+		current_movetype = val ? MOVETYPE_U6_ETHEREAL : actor_type->movetype;
+		ethereal = val;
+	}
+
+	uint8 get_object_readiable_location(Obj *obj) override;
+	const CombatType *get_object_combat_type(uint16 objN) override;
+	ActorTileType get_tile_type() const override {
+		return (actor_type->tile_type);
+	}
+	Obj *inventory_get_food(Obj *container = 0) override;
+	uint8 get_maxhp() const override {
+		return (((level * 30) <= 255) ? (level * 30) : 255);    // U6
+	}
+	uint8 get_maxmagic() const override;
+
+	bool weapon_can_hit(const CombatType *weapon, Actor *target, uint16 *hit_x, uint16 *hit_y) override;
+
+	bool is_immobile() const override; // frozen by worktype or status
+	bool can_twitch();
+
+	bool get_corpser_flag() const override {
+		return (movement_flags & ACTOR_MOVEMENT_FLAGS_CORPSER);
+	}
+	bool can_be_passed(const Actor *other, bool ignoreParty) const override;
+	bool will_not_talk() const override;
+
+	void set_actor_obj_n(uint16 new_obj_n);
+	void pathfind_to(const MapCoord &d) override;
+	void handle_lightsource(uint8 hour) override;
+
+	uint8 get_hp_text_color() const override;
+	uint8 get_str_text_color() const override {
+		return 0x48;
+	}
+	uint8 get_dex_text_color() const override {
+		return 0x48;
+	}
+	bool isFlying() const override {
+		// FIXME: Get flying flag from lua actor_tbl
+		// in devtools/create_ultima/files/ultima6/scripts/u6/actor.lua
+		const uint16 flyingObjs[] = {
+				OBJ_U6_INSECTS, OBJ_U6_GIANT_BAT, OBJ_U6_GAZER, OBJ_U6_BIRD,
+				OBJ_U6_WINGED_GARGOYLE, OBJ_U6_DAEMON, OBJ_U6_DRAKE,
+				OBJ_U6_MONGBAT, OBJ_U6_DRAGON, OBJ_U6_INFLATED_BALLOON };
+
+		for (const auto flyingObj : flyingObjs)
+			if (obj_n == flyingObj)
+				return true;
+		return false;
+	}
+	bool isNonBlocking() const override {
+		// These are hard-coded in original U6
+		const uint16 u6NonBlockingObjs[] = {
+				OBJ_U6_INSECTS, OBJ_U6_MOUSE, OBJ_U6_BIRD, OBJ_U6_CORPSER,
+				OBJ_U6_RABBIT };
+
+		for (const auto nonBlockingObj : u6NonBlockingObjs)
+			if (obj_n == nonBlockingObj)
+				return true;
+		return false;
+	}
+
+protected:
+	bool init_ship();
+	bool init_splitactor(uint8 obj_status); //cows, horses etc.
+	bool init_dragon();
+	bool init_hydra();
+	bool init_silver_serpent();
+	void init_new_silver_serpent();
+	void gather_snake_objs_from_map(Obj *start_obj, uint16 ax, uint16 ay, uint16 az);
+	inline bool check_move_silver_serpent(uint16 x, uint16 y);
+	bool sit_on_chair(Obj *obj);
+
+	inline void discover_direction();
+	void setup_walk_to_location();
+	void wt_sleep(bool init = false);
+	void wt_play_lute();
+
+	inline const U6ActorType *get_actor_type(uint16 new_obj_n);
+
+	inline bool has_surrounding_objs();
+	inline void remove_surrounding_objs_from_map();
+	inline void add_surrounding_objs_to_map();
+	inline void move_surrounding_objs_relative(sint16 rel_x, sint16 rel_y);
+	inline void move_silver_serpent_objs_relative(sint16 rel_x, sint16 rel_y);
+	inline void set_direction_of_surrounding_objs(NuvieDir new_direction);
+	inline void set_direction_of_surrounding_ship_objs(NuvieDir new_direction);
+	inline void set_direction_of_surrounding_splitactor_objs(NuvieDir new_direction);
+	inline void set_direction_of_surrounding_dragon_objs(NuvieDir new_direction);
+
+	inline void twitch_surrounding_objs();
+	inline void twitch_surrounding_dragon_objs();
+	inline void twitch_surrounding_hydra_objs();
+	inline void twitch_obj(Obj *obj);
+
+	inline void clear_surrounding_objs_list(bool delete_objs = false);
+	inline void init_surrounding_obj(uint16 x, uint16 y, uint8 z, uint16 actor_obj_n, uint16 obj_frame_n);
+
+	const CombatType *get_hand_combat_type() const override;
+
+	void print() override;
+	const char *get_worktype_string(uint32 wt) const override;
+	void inventory_make_all_objs_ok_to_take();
+};
+
+} // End of namespace Nuvie
+} // End of namespace Ultima
+
+#endif