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