input.h

   1 #ifndef INPUT_H
   2 #define INPUT_H
   3
   4 #define VG_GAME
   5 #include "vg/vg.h"
   6 #include "vg/vg_platform.h"
   7 #include "vg/vg_console.h"
   8 #include "vg/vg_input.h"
   9 #include "vg/vg_m.h"
  10 #include "font.h"
  11
  12 enum sr_bind{
  13    k_srbind_jump = 0,
  14    k_srbind_push,
  15    k_srbind_skid,
  16    k_srbind_trick0,
  17    k_srbind_trick1,
  18    k_srbind_trick2,
  19    k_srbind_sit,
  20    k_srbind_use,
  21    k_srbind_reset,
  22    k_srbind_dead_respawn,
  23    k_srbind_camera,
  24    k_srbind_mleft,
  25    k_srbind_mright,
  26    k_srbind_mup,
  27    k_srbind_mdown,
  28    k_srbind_mback,
  29    k_srbind_maccept,
  30    k_srbind_mopen,
  31    k_srbind_replay_play,
  32    k_srbind_replay_freecam,
  33    k_srbind_replay_resume,
  34    k_srbind_world_left,
  35    k_srbind_world_right,
  36    k_srbind_home,
  37    k_srbind_lobby,
  38    k_srbind_chat,
  39    k_srbind_run,
  40
  41    k_srbind_miniworld_teleport,
  42    k_srbind_miniworld_resume,
  43    k_srbind_devbutton,
  44    k_srbind_max,
  45 };
  46
  47 enum sr_joystick{
  48    k_srjoystick_steer = 0,
  49    k_srjoystick_grab,
  50    k_srjoystick_look,
  51    k_srjoystick_max
  52 };
  53
  54 enum sr_axis{
  55    k_sraxis_grab = 0,
  56    k_sraxis_mbrowse_h,
  57    k_sraxis_mbrowse_v,
  58    k_sraxis_replay_h,
  59    k_sraxis_skid,
  60    k_sraxis_max
  61 };
  62
  63
  64 #define INPUT_BASIC( KB, JS ) \
  65    (vg_input_op[]){vg_keyboard, KB, vg_joy_button, JS, vg_end}
  66
  67 static vg_input_op *input_button_list[] = {
  68 [k_srbind_jump]  = INPUT_BASIC( SDLK_SPACE, SDL_CONTROLLER_BUTTON_A ),
  69 [k_srbind_push]  = INPUT_BASIC( SDLK_w, SDL_CONTROLLER_BUTTON_B ),
  70 [k_srbind_trick0] = (vg_input_op[]){
  71    vg_mouse, SDL_BUTTON_LEFT,
  72    vg_joy_button, SDL_CONTROLLER_BUTTON_A, vg_end
  73 },
  74 [k_srbind_trick1] = (vg_input_op[]){
  75    vg_mouse, SDL_BUTTON_RIGHT,
  76    vg_joy_button, SDL_CONTROLLER_BUTTON_B, vg_end
  77 },
  78 [k_srbind_trick2] = (vg_input_op[]){
  79    vg_mouse, SDL_BUTTON_LEFT, vg_mode_mul, vg_mouse, SDL_BUTTON_RIGHT,
  80    vg_mode_absmax, vg_joy_button, SDL_CONTROLLER_BUTTON_X, vg_end
  81 },
  82 [k_srbind_use]   = INPUT_BASIC( SDLK_e, SDL_CONTROLLER_BUTTON_Y ),
  83 [k_srbind_reset] = INPUT_BASIC( SDLK_r, SDL_CONTROLLER_BUTTON_DPAD_LEFT ),
  84 [k_srbind_dead_respawn] =
  85    INPUT_BASIC( SDLK_q, SDL_CONTROLLER_BUTTON_DPAD_RIGHT ),
  86 [k_srbind_camera]= INPUT_BASIC( SDLK_c, SDL_CONTROLLER_BUTTON_DPAD_RIGHT ),
  87 [k_srbind_mleft] = INPUT_BASIC( SDLK_LEFT, SDL_CONTROLLER_BUTTON_DPAD_LEFT ),
  88 [k_srbind_mright]= INPUT_BASIC( SDLK_RIGHT, SDL_CONTROLLER_BUTTON_DPAD_RIGHT ),
  89 [k_srbind_world_left] =
  90                    INPUT_BASIC( SDLK_LEFT, SDL_CONTROLLER_BUTTON_DPAD_LEFT ),
  91 [k_srbind_world_right] =
  92                    INPUT_BASIC( SDLK_RIGHT, SDL_CONTROLLER_BUTTON_DPAD_RIGHT ),
  93 [k_srbind_home]  = INPUT_BASIC( SDLK_h, SDL_CONTROLLER_BUTTON_Y ),
  94 [k_srbind_mup]   = INPUT_BASIC( SDLK_UP, SDL_CONTROLLER_BUTTON_DPAD_UP ),
  95 [k_srbind_mdown] = INPUT_BASIC( SDLK_DOWN, SDL_CONTROLLER_BUTTON_DPAD_DOWN ),
  96 [k_srbind_mback] = INPUT_BASIC( SDLK_ESCAPE, SDL_CONTROLLER_BUTTON_B ),
  97 [k_srbind_mopen] = INPUT_BASIC( SDLK_ESCAPE, SDL_CONTROLLER_BUTTON_START ),
  98 [k_srbind_maccept] = (vg_input_op[]){
  99    vg_keyboard, SDLK_e, vg_gui_visible, 0,
 100       vg_keyboard, SDLK_RETURN, vg_keyboard, SDLK_RETURN2,
 101    vg_gui_visible, 1,
 102    vg_joy_button, SDL_CONTROLLER_BUTTON_A, vg_end
 103 },
 104 [k_srbind_replay_play]    = INPUT_BASIC( SDLK_g, SDL_CONTROLLER_BUTTON_X ),
 105 [k_srbind_replay_resume]  = INPUT_BASIC( SDLK_SPACE, SDL_CONTROLLER_BUTTON_A ),
 106 [k_srbind_replay_freecam] = INPUT_BASIC( SDLK_f, SDL_CONTROLLER_BUTTON_Y ),
 107 [k_srbind_sit]   = INPUT_BASIC( SDLK_z, SDL_CONTROLLER_BUTTON_B ),
 108 [k_srbind_lobby] = INPUT_BASIC( SDLK_TAB, SDL_CONTROLLER_BUTTON_DPAD_LEFT ),
 109 [k_srbind_chat ] = (vg_input_op[]){ vg_keyboard, SDLK_y, vg_end },
 110 [k_srbind_run ] = INPUT_BASIC( SDLK_LSHIFT, SDL_CONTROLLER_BUTTON_X ),
 111
 112 [k_srbind_miniworld_resume]  = (vg_input_op[]){
 113    vg_keyboard, SDLK_RETURN, vg_gui_visible, 0,
 114    vg_keyboard, SDLK_RETURN2,
 115    vg_gui_visible, 1,
 116    vg_joy_button, SDL_CONTROLLER_BUTTON_X, vg_end
 117 },
 118 [k_srbind_miniworld_teleport]= INPUT_BASIC( SDLK_q,
 119                                        SDL_CONTROLLER_BUTTON_LEFTSHOULDER ),
 120 [k_srbind_skid] = (vg_input_op[]){ vg_keyboard, SDLK_LCTRL, vg_end },
 121 [k_srbind_devbutton] = (vg_input_op[]){ vg_keyboard, SDLK_3, vg_end },
 122 [k_srbind_max]=NULL
 123 };
 124
 125 static vg_input_op *input_axis_list[] = {
 126 [k_sraxis_grab] = (vg_input_op[]){
 127    vg_keyboard, SDLK_LSHIFT,
 128    vg_joy_axis, SDL_CONTROLLER_AXIS_TRIGGERRIGHT, vg_end
 129 },
 130 [k_sraxis_mbrowse_h] = (vg_input_op[]){
 131    vg_mode_sub, vg_keyboard, SDLK_LEFT,
 132    vg_mode_add, vg_keyboard, SDLK_RIGHT,
 133    vg_mode_add, vg_joy_axis, SDL_CONTROLLER_AXIS_LEFTX,
 134    vg_end
 135 },
 136 [k_sraxis_mbrowse_v] = (vg_input_op[]){
 137    vg_mode_add, vg_keyboard, SDLK_UP,
 138    vg_mode_sub, vg_keyboard, SDLK_DOWN,
 139    vg_mode_sub, vg_joy_axis, SDL_CONTROLLER_AXIS_LEFTY,
 140    vg_end
 141 },
 142 [k_sraxis_replay_h] = (vg_input_op[]){
 143    vg_mode_add, vg_keyboard, SDLK_e,
 144    vg_mode_sub, vg_keyboard, SDLK_q,
 145    vg_mode_add, vg_joy_axis, SDL_CONTROLLER_AXIS_TRIGGERRIGHT,
 146    vg_mode_sub, vg_joy_axis, SDL_CONTROLLER_AXIS_TRIGGERLEFT,
 147    vg_end
 148 },
 149 [k_sraxis_skid] = (vg_input_op[]){
 150    vg_mode_add, vg_joy_button, SDL_CONTROLLER_BUTTON_RIGHTSHOULDER,
 151    vg_mode_sub, vg_joy_button, SDL_CONTROLLER_BUTTON_LEFTSHOULDER,
 152    vg_end
 153 },
 154 [k_sraxis_max]=NULL
 155 };
 156
 157 static vg_input_op *input_joy_list[] = {
 158 [k_srjoystick_steer] = (vg_input_op[]){
 159    vg_index, 0, vg_mode_add, vg_keyboard, SDLK_d,
 160                 vg_mode_sub, vg_keyboard, SDLK_a,
 161    vg_index, 1, vg_mode_add, vg_keyboard, SDLK_s,
 162                 vg_mode_sub, vg_keyboard, SDLK_w,
 163                 vg_mode_absmax, vg_joy_ls,
 164    vg_end
 165 },
 166 [k_srjoystick_grab] = (vg_input_op[]){
 167    vg_joy_rs, vg_end
 168 },
 169 [k_srjoystick_look] = (vg_input_op[]){
 170    vg_joy_rs, vg_end
 171 },
 172 [k_srjoystick_max]=NULL
 173 };
 174
 175 struct {
 176    float axis_states[ k_sraxis_max ][2];
 177    v2f joystick_states[ k_srjoystick_max ][2];
 178    u8 button_states[ k_srbind_max ][2];
 179
 180    enum input_state {
 181       k_input_state_enabled,
 182       k_input_state_resume,
 183       k_input_state_resuming,
 184       k_input_state_pause
 185    }
 186    state;
 187 }
 188 static srinput;
 189
 190 static int input_filter_generic(void){
 191    if( srinput.state != k_input_state_enabled ||
 192        vg_ui.wants_mouse || vg_console.enabled )
 193       return 1;
 194    else
 195       return 0;
 196 }
 197
 198 static int buttons_filter_fixed(void){
 199    if( input_filter_generic() )
 200       return 1;
 201
 202    if( vg.engine_stage == k_engine_stage_update_fixed )
 203       if( vg.fixed_iterations > 0 )
 204          return 1;
 205
 206    return 0;
 207 }
 208
 209 /* Rising edge of button */
 210 static int button_down( enum sr_bind button ){
 211    if( buttons_filter_fixed() ) return 0;
 212
 213    if(  srinput.button_states[ button ][0] &&
 214        !srinput.button_states[ button ][1] )
 215       return 1;
 216    else
 217       return 0;
 218 }
 219
 220 /* Falling edge of button */
 221 static int button_up( enum sr_bind button ){
 222    if( buttons_filter_fixed() ) return 0;
 223
 224    if( !srinput.button_states[ button ][0] &&
 225         srinput.button_states[ button ][1] )
 226       return 1;
 227    else
 228       return 0;
 229 }
 230
 231 /* State of button */
 232 static int button_press( enum sr_bind button ){
 233    if( input_filter_generic() )
 234       return 0;
 235    return
 236       srinput.button_states[ button ][0];
 237 }
 238
 239 static void joystick_state( enum sr_joystick joystick, v2f state ){
 240    if( input_filter_generic() )
 241       v2_zero( state );
 242    else
 243       v2_copy( srinput.joystick_states[ joystick ][0], state );
 244 }
 245
 246 static float axis_state( enum sr_axis axis ){
 247    if( input_filter_generic() )
 248       return 0.0f;
 249    else
 250       return srinput.axis_states[axis][0];
 251 }
 252
 253 static void skaterift_preupdate_inputs(void){
 254    if( srinput.state == k_input_state_resuming )
 255       srinput.state = k_input_state_enabled;
 256
 257    if( srinput.state == k_input_state_resume )
 258       srinput.state = k_input_state_resuming;
 259
 260    for( u32 i=0; i<k_srbind_max; i++ ){
 261       srinput.button_states[i][1] = srinput.button_states[i][0];
 262       srinput.button_states[i][0] = 0;
 263    }
 264
 265    for( u32 i=0; i<k_srjoystick_max; i++ ){
 266       v2_copy( srinput.joystick_states[i][0], srinput.joystick_states[i][1] );
 267       v2_zero( srinput.joystick_states[i][0] );
 268    }
 269
 270    for( u32 i=0; i<k_sraxis_max; i++ ){
 271       srinput.axis_states[i][1] = srinput.axis_states[i][0];
 272       srinput.axis_states[i][0] = 0.0f;
 273    }
 274
 275    for( int i=0; i<k_srbind_max; i++ ){
 276       vg_input_op *prog = input_button_list[i];
 277       if( prog ){
 278          vg_exec_input_program( k_vg_input_type_button_u8, prog,
 279                                 &srinput.button_states[i][0] );
 280       }
 281    }
 282
 283    for( int i=0; i<k_sraxis_max; i++ ){
 284       vg_input_op *prog = input_axis_list[i];
 285       if( prog ){
 286          vg_exec_input_program( k_vg_input_type_axis_f32, prog,
 287                                 &srinput.axis_states[i][0] );
 288       }
 289    }
 290
 291    for( int i=0; i<k_srjoystick_max; i++ ){
 292       vg_input_op *prog = input_joy_list[i];
 293       if( prog ){
 294          vg_exec_input_program( k_vg_input_type_joy_v2f, prog,
 295                                 srinput.joystick_states[i][0] );
 296       }
 297    }
 298
 299    f32 x = srinput.axis_states[k_sraxis_mbrowse_h][0],
 300        y = srinput.axis_states[k_sraxis_mbrowse_v][0],
 301        sensitivity = 0.35f;
 302
 303    if( fabsf(x) > sensitivity ){
 304       if( x > 0.0f ) srinput.button_states[k_srbind_mright][0] = 1;
 305       else           srinput.button_states[k_srbind_mleft][0] = 1;
 306    }
 307
 308    if( fabsf(y) > sensitivity ){
 309       if( y > 0.0f ) srinput.button_states[k_srbind_mup][0] = 1;
 310       else           srinput.button_states[k_srbind_mdown][0] = 1;
 311    }
 312 }
 313
 314 #endif /* INPUT_H */