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10 AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
11 COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
16 * Basic slew system for moving around the mine
35 //variables for slew system
37 object *slew_obj=NULL; //what object is slewing, or NULL if none
40 #define ROT_SPEED 8 //rate of rotation while key held down
41 #define VEL_SPEED (2*55) //rate of acceleration while key held down
43 short old_joy_x,old_joy_y; //position last time around
45 // Function Prototypes
49 // -------------------------------------------------------------------
50 //say start slewing with this object
51 void slew_init(object *obj)
55 slew_obj->control_type = CT_SLEW;
56 slew_obj->movement_type = MT_NONE;
58 slew_stop(); //make sure not moving
64 if (!slew_obj || slew_obj->control_type!=CT_SLEW) return 0;
66 vm_vec_zero(&slew_obj->mtype.phys_info.velocity);
70 void slew_reset_orient()
72 if (!slew_obj || slew_obj->control_type!=CT_SLEW) return;
74 slew_obj->orient.rvec.x = slew_obj->orient.uvec.y = slew_obj->orient.fvec.z = f1_0;
76 slew_obj->orient.rvec.y = slew_obj->orient.rvec.z = slew_obj->orient.uvec.x =
77 slew_obj->orient.uvec.z = slew_obj->orient.fvec.x = slew_obj->orient.fvec.y = 0;
81 int do_slew_movement(object *obj, int check_keys, int check_joy )
84 vms_vector svel, movement; //scaled velocity (per this frame)
85 vms_matrix rotmat,new_pm;
87 int joyx_moved,joyy_moved;
90 if (!slew_obj || slew_obj->control_type!=CT_SLEW) return 0;
93 if (Function_mode == FMODE_EDITOR) {
94 if (FindArg("-jasen"))
95 obj->mtype.phys_info.velocity.x += VEL_SPEED * (key_down_time(KEY_PAD3) - key_down_time(KEY_PAD1));
97 obj->mtype.phys_info.velocity.x += VEL_SPEED * (key_down_time(KEY_PAD9) - key_down_time(KEY_PAD7));
98 obj->mtype.phys_info.velocity.y += VEL_SPEED * (key_down_time(KEY_PADMINUS) - key_down_time(KEY_PADPLUS));
99 obj->mtype.phys_info.velocity.z += VEL_SPEED * (key_down_time(KEY_PAD8) - key_down_time(KEY_PAD2));
101 rotang.p = (key_down_time(KEY_LBRACKET) - key_down_time(KEY_RBRACKET))/ROT_SPEED ;
102 if (FindArg("-jasen"))
103 rotang.b = (key_down_time(KEY_PAD7) - key_down_time(KEY_PAD9))/ROT_SPEED;
105 rotang.b = (key_down_time(KEY_PAD1) - key_down_time(KEY_PAD3))/ROT_SPEED;
106 rotang.h = (key_down_time(KEY_PAD6) - key_down_time(KEY_PAD4))/ROT_SPEED;
109 obj->mtype.phys_info.velocity.x += VEL_SPEED * Controls.sideways_thrust_time;
110 obj->mtype.phys_info.velocity.y += VEL_SPEED * Controls.vertical_thrust_time;
111 obj->mtype.phys_info.velocity.z += VEL_SPEED * Controls.forward_thrust_time;
113 rotang.p = Controls.pitch_time/ROT_SPEED ;
114 rotang.b = Controls.bank_time/ROT_SPEED;
115 rotang.h = Controls.heading_time/ROT_SPEED;
119 rotang.p = rotang.b = rotang.h = 0;
121 //check for joystick movement
123 if (check_joy && joy_present && (Function_mode == FMODE_EDITOR) ) {
124 joy_get_pos(&joy_x,&joy_y);
127 joyx_moved = (abs(joy_x - old_joy_x)>JOY_NULL);
128 joyy_moved = (abs(joy_y - old_joy_y)>JOY_NULL);
130 if (abs(joy_x) < JOY_NULL) joy_x = 0;
131 if (abs(joy_y) < JOY_NULL) joy_y = 0;
134 if (!rotang.p) rotang.p = fixmul(-joy_y * 512,FrameTime); else;
136 if (joyy_moved) obj->mtype.phys_info.velocity.z = -joy_y * 8192;
138 if (!rotang.h) rotang.h = fixmul(joy_x * 512,FrameTime);
140 if (joyx_moved) old_joy_x = joy_x;
141 if (joyy_moved) old_joy_y = joy_y;
144 moved = rotang.p | rotang.b | rotang.h;
146 vm_angles_2_matrix(&rotmat,&rotang);
147 vm_matrix_x_matrix(&new_pm,&obj->orient,&rotmat);
148 obj->orient = new_pm;
149 vm_transpose_matrix(&new_pm); //make those columns rows
151 moved |= obj->mtype.phys_info.velocity.x | obj->mtype.phys_info.velocity.y | obj->mtype.phys_info.velocity.z;
153 svel = obj->mtype.phys_info.velocity;
154 vm_vec_scale(&svel,FrameTime); //movement in this frame
155 vm_vec_rotate(&movement,&svel,&new_pm);
157 // obj->last_pos = obj->pos;
158 vm_vec_add2(&obj->pos,&movement);
160 moved |= (movement.x || movement.y || movement.z);
163 update_object_seg(obj); //update segment id
168 //do slew for this frame
169 int slew_frame(int check_keys)
171 return do_slew_movement( slew_obj, !check_keys, 1 );