input.h

   1 #pragma once
   2 #include "vg/vg_platform.h"
   3 #include "vg/vg_console.h"
   4 #include "vg/vg_input.h"
   5 #include "vg/vg_m.h"
   6 #include "font.h"
   7
   8 enum sr_bind
   9 {
  10    k_srbind_jump = 0,
  11    k_srbind_push,
  12    k_srbind_skid,
  13    k_srbind_trick0,
  14    k_srbind_trick1,
  15    k_srbind_trick2,
  16    k_srbind_sit,
  17    k_srbind_use,
  18    k_srbind_reset,
  19    k_srbind_dead_respawn,
  20    k_srbind_camera,
  21    k_srbind_mleft,
  22    k_srbind_mright,
  23    k_srbind_mup,
  24    k_srbind_mdown,
  25    k_srbind_mback,
  26    k_srbind_maccept,
  27    k_srbind_mopen,
  28    k_srbind_mhub,
  29    k_srbind_replay_play,
  30    k_srbind_replay_freecam,
  31    k_srbind_replay_resume,
  32    k_srbind_world_left,
  33    k_srbind_world_right,
  34    k_srbind_home,
  35    k_srbind_lobby,
  36    k_srbind_chat,
  37    k_srbind_run,
  38
  39    k_srbind_miniworld_teleport,
  40    k_srbind_miniworld_resume,
  41    k_srbind_devbutton,
  42    k_srbind_max,
  43 };
  44
  45 enum sr_joystick{
  46    k_srjoystick_steer = 0,
  47    k_srjoystick_grab,
  48    k_srjoystick_look,
  49    k_srjoystick_max
  50 };
  51
  52 enum sr_axis{
  53    k_sraxis_grab = 0,
  54    k_sraxis_mbrowse_h,
  55    k_sraxis_mbrowse_v,
  56    k_sraxis_replay_h,
  57    k_sraxis_skid,
  58    k_sraxis_max
  59 };
  60
  61
  62 #define INPUT_BASIC( KB, JS ) \
  63    (vg_input_op[]){vg_keyboard, KB, vg_joy_button, JS, vg_end}
  64
  65 static vg_input_op *input_button_list[] = {
  66 [k_srbind_jump]  = INPUT_BASIC( SDLK_SPACE, SDL_CONTROLLER_BUTTON_A ),
  67 [k_srbind_push]  = INPUT_BASIC( SDLK_w, SDL_CONTROLLER_BUTTON_B ),
  68 [k_srbind_trick0] = (vg_input_op[]){
  69    vg_mouse, SDL_BUTTON_LEFT,
  70    vg_joy_button, SDL_CONTROLLER_BUTTON_A, vg_end
  71 },
  72 [k_srbind_trick1] = (vg_input_op[]){
  73    vg_mouse, SDL_BUTTON_RIGHT,
  74    vg_joy_button, SDL_CONTROLLER_BUTTON_B, vg_end
  75 },
  76 [k_srbind_trick2] = (vg_input_op[]){
  77    vg_mouse, SDL_BUTTON_LEFT, vg_mode_mul, vg_mouse, SDL_BUTTON_RIGHT,
  78    vg_mode_absmax, vg_joy_button, SDL_CONTROLLER_BUTTON_X, vg_end
  79 },
  80 [k_srbind_use]   = INPUT_BASIC( SDLK_e, SDL_CONTROLLER_BUTTON_Y ),
  81 [k_srbind_reset] = INPUT_BASIC( SDLK_r, SDL_CONTROLLER_BUTTON_DPAD_LEFT ),
  82 [k_srbind_dead_respawn] =
  83    INPUT_BASIC( SDLK_q, SDL_CONTROLLER_BUTTON_DPAD_UP ),
  84 [k_srbind_camera]= INPUT_BASIC( SDLK_c, SDL_CONTROLLER_BUTTON_DPAD_RIGHT ),
  85 [k_srbind_mleft] = INPUT_BASIC( SDLK_LEFT, SDL_CONTROLLER_BUTTON_DPAD_LEFT ),
  86 [k_srbind_mright]= INPUT_BASIC( SDLK_RIGHT, SDL_CONTROLLER_BUTTON_DPAD_RIGHT ),
  87 [k_srbind_world_left] =
  88                    INPUT_BASIC( SDLK_LEFT, SDL_CONTROLLER_BUTTON_DPAD_LEFT ),
  89 [k_srbind_world_right] =
  90                    INPUT_BASIC( SDLK_RIGHT, SDL_CONTROLLER_BUTTON_DPAD_RIGHT ),
  91 [k_srbind_mup]   = INPUT_BASIC( SDLK_UP, SDL_CONTROLLER_BUTTON_DPAD_UP ),
  92 [k_srbind_mdown] = INPUT_BASIC( SDLK_DOWN, SDL_CONTROLLER_BUTTON_DPAD_DOWN ),
  93 [k_srbind_mback] = INPUT_BASIC( SDLK_ESCAPE, SDL_CONTROLLER_BUTTON_B ),
  94 [k_srbind_mopen] = INPUT_BASIC( SDLK_ESCAPE, SDL_CONTROLLER_BUTTON_START ),
  95 [k_srbind_mhub]  = INPUT_BASIC( SDLK_h, SDL_CONTROLLER_BUTTON_Y ),
  96 [k_srbind_maccept] = (vg_input_op[]){
  97    vg_keyboard, SDLK_e, vg_gui_visible, 0,
  98       vg_keyboard, SDLK_RETURN, vg_keyboard, SDLK_RETURN2,
  99    vg_gui_visible, 1,
 100    vg_joy_button, SDL_CONTROLLER_BUTTON_A, vg_end
 101 },
 102 [k_srbind_replay_play]    = INPUT_BASIC( SDLK_g, SDL_CONTROLLER_BUTTON_X ),
 103 [k_srbind_replay_resume]  = INPUT_BASIC( SDLK_SPACE, SDL_CONTROLLER_BUTTON_A ),
 104 [k_srbind_replay_freecam] = INPUT_BASIC( SDLK_f, SDL_CONTROLLER_BUTTON_Y ),
 105 [k_srbind_sit]   = INPUT_BASIC( SDLK_z, SDL_CONTROLLER_BUTTON_B ),
 106 [k_srbind_lobby] = INPUT_BASIC( SDLK_TAB, SDL_CONTROLLER_BUTTON_DPAD_LEFT ),
 107 [k_srbind_chat ] = (vg_input_op[]){ vg_keyboard, SDLK_y, vg_end },
 108 [k_srbind_run ] = (vg_input_op[]){ vg_keyboard, SDLK_LSHIFT,
 109    vg_joy_axis, SDL_CONTROLLER_AXIS_TRIGGERLEFT, vg_end },
 110
 111 [k_srbind_miniworld_resume]  = (vg_input_op[]){
 112    vg_keyboard, SDLK_RETURN, vg_gui_visible, 0,
 113    vg_keyboard, SDLK_RETURN2,
 114    vg_gui_visible, 1,
 115    vg_joy_button, SDL_CONTROLLER_BUTTON_X, vg_end
 116 },
 117 [k_srbind_miniworld_teleport]= INPUT_BASIC( SDLK_q,
 118                                        SDL_CONTROLLER_BUTTON_LEFTSHOULDER ),
 119 [k_srbind_skid] = (vg_input_op[]){ vg_keyboard, SDLK_LCTRL, vg_end },
 120 [k_srbind_devbutton] = (vg_input_op[]){ vg_keyboard, SDLK_3, vg_end },
 121 [k_srbind_max]=NULL
 122 };
 123
 124 static vg_input_op *input_axis_list[] = {
 125 [k_sraxis_grab] = (vg_input_op[]){
 126    vg_keyboard, SDLK_LSHIFT,
 127    vg_joy_axis, SDL_CONTROLLER_AXIS_TRIGGERRIGHT, vg_end
 128 },
 129 [k_sraxis_mbrowse_h] = (vg_input_op[]){
 130    vg_mode_sub, vg_keyboard, SDLK_LEFT,
 131    vg_mode_add, vg_keyboard, SDLK_RIGHT,
 132    vg_mode_add, vg_joy_axis, SDL_CONTROLLER_AXIS_LEFTX,
 133    vg_end
 134 },
 135 [k_sraxis_mbrowse_v] = (vg_input_op[]){
 136    vg_mode_sub, vg_keyboard, SDLK_DOWN,
 137    vg_mode_add, vg_keyboard, SDLK_UP,
 138    vg_mode_sub, vg_joy_axis, SDL_CONTROLLER_AXIS_LEFTY,
 139    vg_end
 140 },
 141 [k_sraxis_replay_h] = (vg_input_op[]){
 142    vg_mode_sub, vg_keyboard, SDLK_q,
 143    vg_mode_add, vg_keyboard, SDLK_e,
 144    vg_mode_sub, vg_joy_axis, SDL_CONTROLLER_AXIS_TRIGGERLEFT,
 145    vg_mode_add, vg_joy_axis, SDL_CONTROLLER_AXIS_TRIGGERRIGHT,
 146    vg_end
 147 },
 148 [k_sraxis_skid] = (vg_input_op[]){
 149    vg_mode_sub, vg_joy_button, SDL_CONTROLLER_BUTTON_LEFTSHOULDER,
 150    vg_mode_add, vg_joy_button, SDL_CONTROLLER_BUTTON_RIGHTSHOULDER,
 151    vg_end
 152 },
 153 [k_sraxis_max]=NULL
 154 };
 155
 156 static vg_input_op *input_joy_list[] = {
 157 [k_srjoystick_steer] = (vg_input_op[]){
 158    vg_index, 0, vg_mode_sub, vg_keyboard, SDLK_a,
 159                 vg_mode_add, vg_keyboard, SDLK_d,
 160    vg_index, 1, vg_mode_sub, vg_keyboard, SDLK_w,
 161                 vg_mode_add, vg_keyboard, SDLK_s,
 162                 vg_mode_absmax, vg_joy_ls,
 163    vg_end
 164 },
 165 [k_srjoystick_grab] = (vg_input_op[]){
 166    vg_joy_rs, vg_end
 167 },
 168 [k_srjoystick_look] = (vg_input_op[]){
 169    vg_joy_rs, vg_end
 170 },
 171 [k_srjoystick_max]=NULL
 172 };
 173
 174 struct {
 175    float axis_states[ k_sraxis_max ][2];
 176    v2f joystick_states[ k_srjoystick_max ][2];
 177    u8 button_states[ k_srbind_max ][2];
 178
 179    enum input_state {
 180       k_input_state_enabled,
 181       k_input_state_resume,
 182       k_input_state_resuming,
 183       k_input_state_pause
 184    }
 185    state;
 186 }
 187 static srinput;
 188
 189 static int input_filter_generic(void){
 190    if( srinput.state != k_input_state_enabled || vg_console.enabled )
 191       return 1;
 192    else
 193       return 0;
 194 }
 195
 196 static int buttons_filter_fixed(void){
 197    if( input_filter_generic() )
 198       return 1;
 199
 200    if( vg.engine_stage == k_engine_stage_update_fixed )
 201       if( vg.fixed_iterations > 0 )
 202          return 1;
 203
 204    return 0;
 205 }
 206
 207 /* Rising edge of button */
 208 static int button_down( enum sr_bind button ){
 209    if( buttons_filter_fixed() ) return 0;
 210
 211    if(  srinput.button_states[ button ][0] &&
 212        !srinput.button_states[ button ][1] )
 213       return 1;
 214    else
 215       return 0;
 216 }
 217
 218 /* Falling edge of button */
 219 static int button_up( enum sr_bind button ){
 220    if( buttons_filter_fixed() ) return 0;
 221
 222    if( !srinput.button_states[ button ][0] &&
 223         srinput.button_states[ button ][1] )
 224       return 1;
 225    else
 226       return 0;
 227 }
 228
 229 /* State of button */
 230 static int button_press( enum sr_bind button ){
 231    if( input_filter_generic() )
 232       return 0;
 233    return
 234       srinput.button_states[ button ][0];
 235 }
 236
 237 static void joystick_state( enum sr_joystick joystick, v2f state ){
 238    if( input_filter_generic() )
 239       v2_zero( state );
 240    else
 241       v2_copy( srinput.joystick_states[ joystick ][0], state );
 242 }
 243
 244 static float axis_state( enum sr_axis axis ){
 245    if( input_filter_generic() )
 246       return 0.0f;
 247    else
 248       return srinput.axis_states[axis][0];
 249 }
 250
 251 static void skaterift_preupdate_inputs(void){
 252    if( srinput.state == k_input_state_resuming )
 253       srinput.state = k_input_state_enabled;
 254
 255    if( srinput.state == k_input_state_resume )
 256       srinput.state = k_input_state_resuming;
 257
 258    for( u32 i=0; i<k_srbind_max; i++ ){
 259       srinput.button_states[i][1] = srinput.button_states[i][0];
 260       srinput.button_states[i][0] = 0;
 261    }
 262
 263    for( u32 i=0; i<k_srjoystick_max; i++ ){
 264       v2_copy( srinput.joystick_states[i][0], srinput.joystick_states[i][1] );
 265       v2_zero( srinput.joystick_states[i][0] );
 266    }
 267
 268    for( u32 i=0; i<k_sraxis_max; i++ ){
 269       srinput.axis_states[i][1] = srinput.axis_states[i][0];
 270       srinput.axis_states[i][0] = 0.0f;
 271    }
 272
 273    for( int i=0; i<k_srbind_max; i++ ){
 274       vg_input_op *prog = input_button_list[i];
 275       if( prog ){
 276          vg_exec_input_program( k_vg_input_type_button_u8, prog,
 277                                 &srinput.button_states[i][0] );
 278       }
 279    }
 280
 281    for( int i=0; i<k_sraxis_max; i++ ){
 282       vg_input_op *prog = input_axis_list[i];
 283       if( prog ){
 284          vg_exec_input_program( k_vg_input_type_axis_f32, prog,
 285                                 &srinput.axis_states[i][0] );
 286       }
 287    }
 288
 289    for( int i=0; i<k_srjoystick_max; i++ ){
 290       vg_input_op *prog = input_joy_list[i];
 291       if( prog ){
 292          vg_exec_input_program( k_vg_input_type_joy_v2f, prog,
 293                                 srinput.joystick_states[i][0] );
 294       }
 295    }
 296
 297    f32 x = srinput.axis_states[k_sraxis_mbrowse_h][0],
 298        y = srinput.axis_states[k_sraxis_mbrowse_v][0],
 299        sensitivity = 0.35f;
 300
 301    if( fabsf(x) > sensitivity ){
 302       if( x > 0.0f ) srinput.button_states[k_srbind_mright][0] = 1;
 303       else           srinput.button_states[k_srbind_mleft][0] = 1;
 304    }
 305
 306    if( fabsf(y) > sensitivity ){
 307       if( y > 0.0f ) srinput.button_states[k_srbind_mup][0] = 1;
 308       else           srinput.button_states[k_srbind_mdown][0] = 1;
 309    }
 310 }