/* * Portions of this file are copyright Rebirth contributors and licensed as * described in COPYING.txt. * Portions of this file are copyright Parallax Software and licensed * according to the Parallax license below. * See COPYING.txt for license details. THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE. COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED. */ /* * * Triggers and Switches. * */ #pragma once #include #ifdef __cplusplus #include "pack.h" #include "segnum.h" #include "objnum.h" #include "fwdvalptridx.h" #define MAX_TRIGGERS 100 #define MAX_WALLS_PER_LINK 10 #define TT_OPEN_DOOR 0 // Open a door #define TT_MATCEN 2 // Activate a matcen #define TT_EXIT 3 // End the level #define TT_SECRET_EXIT 4 // Go to secret level #define TT_ILLUSION_OFF 5 // Turn an illusion off #define TT_ILLUSION_ON 6 // Turn an illusion on #if defined(DXX_BUILD_DESCENT_II) // Trigger types #define TT_CLOSE_DOOR 1 // Close a door #define TT_UNLOCK_DOOR 7 // Unlock a door #define TT_LOCK_DOOR 8 // Lock a door #define TT_OPEN_WALL 9 // Makes a wall open #define TT_CLOSE_WALL 10 // Makes a wall closed #define TT_ILLUSORY_WALL 11 // Makes a wall illusory #define TT_LIGHT_OFF 12 // Turn a light off #define TT_LIGHT_ON 13 // Turn a light on #define NUM_TRIGGER_TYPES 14 // Trigger flags //could also use flags for one-shots #define TF_NO_MESSAGE 1 // Don't show a message when triggered #define TF_ONE_SHOT 2 // Only trigger once #define TF_DISABLED 4 // Set after one-shot fires //old trigger structs struct v29_trigger { sbyte type; short flags; fix value; fix time; sbyte link_num; short num_links; array seg; array side; } __pack__; struct v30_trigger { short flags; sbyte num_links; sbyte pad; //keep alignment fix value; fix time; array seg; array side; } __pack__; #endif //flags for V30 & below triggers #define TRIGGER_CONTROL_DOORS 1 // Control Trigger #define TRIGGER_SHIELD_DAMAGE 2 // Shield Damage Trigger #define TRIGGER_ENERGY_DRAIN 4 // Energy Drain Trigger #define TRIGGER_EXIT 8 // End of level Trigger #define TRIGGER_ON 16 // Whether Trigger is active #define TRIGGER_ONE_SHOT 32 // If Trigger can only be triggered once #define TRIGGER_MATCEN 64 // Trigger for materialization centers #define TRIGGER_ILLUSION_OFF 128 // Switch Illusion OFF trigger #define TRIGGER_SECRET_EXIT 256 // Exit to secret level #define TRIGGER_ILLUSION_ON 512 // Switch Illusion ON trigger #if defined(DXX_BUILD_DESCENT_II) #define TRIGGER_UNLOCK_DOORS 1024 // Unlocks a door #define TRIGGER_OPEN_WALL 2048 // Makes a wall open #define TRIGGER_CLOSE_WALL 4096 // Makes a wall closed #define TRIGGER_ILLUSORY_WALL 8192 // Makes a wall illusory #endif //the trigger really should have both a type & a flags, since most of the //flags bits are exclusive of the others. #if defined(DXX_BUILD_DESCENT_I) || defined(DXX_BUILD_DESCENT_II) struct trigger : public prohibit_void_ptr { #if defined(DXX_BUILD_DESCENT_I) short flags; #elif defined(DXX_BUILD_DESCENT_II) ubyte type; //what this trigger does ubyte flags; //currently unused uint8_t num_links; //how many doors, etc. linked to this #endif fix value; fix time; #if defined(DXX_BUILD_DESCENT_I) sbyte link_num; uint16_t num_links; #endif array seg; array side; }; const uint8_t trigger_none = -1; extern unsigned Num_triggers; extern array Triggers; extern void trigger_init(); void check_trigger(vcsegptridx_t seg, short side, vcobjptridx_t objnum, int shot); extern int check_trigger_sub(int trigger_num, int player_num,int shot); extern void triggers_frame_process(); static inline int trigger_is_exit(const trigger *t) { #if defined(DXX_BUILD_DESCENT_I) return t->flags & TRIGGER_EXIT; #elif defined(DXX_BUILD_DESCENT_II) return t->type == TT_EXIT; #endif } static inline int trigger_is_matcen(const trigger &t) { #if defined(DXX_BUILD_DESCENT_I) return t.flags & TRIGGER_MATCEN; #elif defined(DXX_BUILD_DESCENT_II) return t.type == TT_MATCEN; #endif } #if defined(DXX_BUILD_DESCENT_I) void v25_trigger_read(PHYSFS_file *fp, trigger *); void v26_trigger_read(PHYSFS_file *fp, trigger &); #endif #if defined(DXX_BUILD_DESCENT_II) /* * reads a v29_trigger structure from a PHYSFS_file */ extern void v29_trigger_read(v29_trigger *t, PHYSFS_file *fp); /* * reads a v30_trigger structure from a PHYSFS_file */ extern void v30_trigger_read(v30_trigger *t, PHYSFS_file *fp); #endif /* * reads a trigger structure from a PHYSFS_file */ extern void trigger_read(trigger *t, PHYSFS_file *fp); void v29_trigger_read_as_v31(PHYSFS_File *fp, trigger &t); void v30_trigger_read_as_v31(PHYSFS_File *fp, trigger &t); /* * reads n trigger structs from a PHYSFS_file and swaps if specified */ void trigger_read(PHYSFS_file *fp, trigger &t); void trigger_write(PHYSFS_file *fp, const trigger &t); void v29_trigger_write(PHYSFS_file *fp, const trigger &t); void v30_trigger_write(PHYSFS_file *fp, const trigger &t); void v31_trigger_write(PHYSFS_file *fp, const trigger &t); #endif #endif