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_trick0,
  16    k_srbind_trick1,
  17    k_srbind_trick2,
  18    k_srbind_sit,
  19    k_srbind_use,
  20    k_srbind_reset,
  21    k_srbind_dead_respawn,
  22    k_srbind_camera,
  23    k_srbind_mleft,
  24    k_srbind_mright,
  25    k_srbind_mup,
  26    k_srbind_mdown,
  27    k_srbind_mback,
  28    k_srbind_maccept,
  29    k_srbind_mopen,
  30    k_srbind_replay_play,
  31    k_srbind_replay_freecam,
  32    k_srbind_replay_resume,
  33    k_srbind_world_left,
  34    k_srbind_world_right,
  35    k_srbind_home,
  36    k_srbind_lobby,
  37    k_srbind_chat,
  38
  39    k_srbind_miniworld_teleport,
  40    k_srbind_miniworld_resume,
  41
  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_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_LEFTSHOULDER ),
  81 [k_srbind_dead_respawn] =
  82    INPUT_BASIC( SDLK_q, SDL_CONTROLLER_BUTTON_RIGHTSHOULDER ),
  83 [k_srbind_camera]= INPUT_BASIC( SDLK_c, SDL_CONTROLLER_BUTTON_RIGHTSHOULDER ),
  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
 108 [k_srbind_miniworld_resume]  = (vg_input_op[]){
 109    vg_keyboard, SDLK_RETURN, vg_gui_visible, 0,
 110    vg_keyboard, SDLK_RETURN2,
 111    vg_gui_visible, 1,
 112    vg_joy_button, SDL_CONTROLLER_BUTTON_X, vg_end
 113 },
 114 [k_srbind_miniworld_teleport]= INPUT_BASIC( SDLK_q,
 115                                        SDL_CONTROLLER_BUTTON_LEFTSHOULDER ),
 116
 117 [k_srbind_max]=NULL
 118 };
 119
 120 static vg_input_op *input_axis_list[] = {
 121 [k_sraxis_grab] = (vg_input_op[]){
 122    vg_keyboard, SDLK_LSHIFT,
 123    vg_joy_axis, SDL_CONTROLLER_AXIS_TRIGGERRIGHT, vg_end
 124 },
 125 [k_sraxis_mbrowse_h] = (vg_input_op[]){
 126    vg_mode_sub, vg_keyboard, SDLK_LEFT,
 127    vg_mode_add, vg_keyboard, SDLK_RIGHT,
 128    vg_mode_add, vg_joy_axis, SDL_CONTROLLER_AXIS_LEFTX,
 129    vg_end
 130 },
 131 [k_sraxis_mbrowse_v] = (vg_input_op[]){
 132    vg_mode_add, vg_keyboard, SDLK_UP,
 133    vg_mode_sub, vg_keyboard, SDLK_DOWN,
 134    vg_mode_sub, vg_joy_axis, SDL_CONTROLLER_AXIS_LEFTY,
 135    vg_end
 136 },
 137 [k_sraxis_replay_h] = (vg_input_op[]){
 138    vg_mode_add, vg_keyboard, SDLK_e,
 139    vg_mode_sub, vg_keyboard, SDLK_q,
 140    vg_mode_add, vg_joy_axis, SDL_CONTROLLER_AXIS_TRIGGERRIGHT,
 141    vg_mode_sub, vg_joy_axis, SDL_CONTROLLER_AXIS_TRIGGERLEFT,
 142    vg_end
 143 },
 144 [k_sraxis_max]=NULL
 145 };
 146
 147 static vg_input_op *input_joy_list[] = {
 148 [k_srjoystick_steer] = (vg_input_op[]){
 149    vg_index, 0, vg_mode_add, vg_keyboard, SDLK_d,
 150                 vg_mode_sub, vg_keyboard, SDLK_a,
 151    vg_index, 1, vg_mode_add, vg_keyboard, SDLK_s,
 152                 vg_mode_sub, vg_keyboard, SDLK_w,
 153                 vg_mode_absmax, vg_joy_ls,
 154    vg_end
 155 },
 156 [k_srjoystick_grab] = (vg_input_op[]){
 157    vg_joy_rs, vg_end
 158 },
 159 [k_srjoystick_look] = (vg_input_op[]){
 160    vg_joy_rs, vg_end
 161 },
 162 [k_srjoystick_max]=NULL
 163 };
 164
 165 struct {
 166    float axis_states[ k_sraxis_max ][2];
 167    v2f joystick_states[ k_srjoystick_max ][2];
 168    u8 button_states[ k_srbind_max ][2];
 169
 170    enum input_state {
 171       k_input_state_enabled,
 172       k_input_state_resume,
 173       k_input_state_resuming,
 174       k_input_state_pause
 175    }
 176    state;
 177 }
 178 static srinput;
 179
 180 static int input_filter_generic(void){
 181    if( srinput.state != k_input_state_enabled ||
 182        vg_ui.wants_mouse || vg_console.enabled )
 183       return 1;
 184    else
 185       return 0;
 186 }
 187
 188 static int buttons_filter_fixed(void){
 189    if( input_filter_generic() )
 190       return 1;
 191
 192    if( vg.engine_stage == k_engine_stage_update_fixed )
 193       if( vg.fixed_iterations > 0 )
 194          return 1;
 195
 196    return 0;
 197 }
 198
 199 /* Rising edge of button */
 200 static int button_down( enum sr_bind button ){
 201    if( buttons_filter_fixed() ) return 0;
 202
 203    if(  srinput.button_states[ button ][0] &&
 204        !srinput.button_states[ button ][1] )
 205       return 1;
 206    else
 207       return 0;
 208 }
 209
 210 /* Falling edge of button */
 211 static int button_up( enum sr_bind button ){
 212    if( buttons_filter_fixed() ) return 0;
 213
 214    if( !srinput.button_states[ button ][0] &&
 215         srinput.button_states[ button ][1] )
 216       return 1;
 217    else
 218       return 0;
 219 }
 220
 221 /* State of button */
 222 static int button_press( enum sr_bind button ){
 223    if( input_filter_generic() )
 224       return 0;
 225    return
 226       srinput.button_states[ button ][0];
 227 }
 228
 229 static void joystick_state( enum sr_joystick joystick, v2f state ){
 230    if( input_filter_generic() )
 231       v2_zero( state );
 232    else
 233       v2_copy( srinput.joystick_states[ joystick ][0], state );
 234 }
 235
 236 static float axis_state( enum sr_axis axis ){
 237    if( input_filter_generic() )
 238       return 0.0f;
 239    else
 240       return srinput.axis_states[axis][0];
 241 }
 242
 243 static void skaterift_preupdate_inputs(void){
 244    if( srinput.state == k_input_state_resuming )
 245       srinput.state = k_input_state_enabled;
 246
 247    if( srinput.state == k_input_state_resume )
 248       srinput.state = k_input_state_resuming;
 249
 250    for( u32 i=0; i<k_srbind_max; i++ ){
 251       srinput.button_states[i][1] = srinput.button_states[i][0];
 252       srinput.button_states[i][0] = 0;
 253    }
 254
 255    for( u32 i=0; i<k_srjoystick_max; i++ ){
 256       v2_copy( srinput.joystick_states[i][0], srinput.joystick_states[i][1] );
 257       v2_zero( srinput.joystick_states[i][0] );
 258    }
 259
 260    for( u32 i=0; i<k_sraxis_max; i++ ){
 261       srinput.axis_states[i][1] = srinput.axis_states[i][0];
 262       srinput.axis_states[i][0] = 0.0f;
 263    }
 264
 265    for( int i=0; i<k_srbind_max; i++ ){
 266       vg_input_op *prog = input_button_list[i];
 267       if( prog ){
 268          vg_exec_input_program( k_vg_input_type_button_u8, prog,
 269                                 &srinput.button_states[i][0] );
 270       }
 271    }
 272
 273    for( int i=0; i<k_sraxis_max; i++ ){
 274       vg_input_op *prog = input_axis_list[i];
 275       if( prog ){
 276          vg_exec_input_program( k_vg_input_type_axis_f32, prog,
 277                                 &srinput.axis_states[i][0] );
 278       }
 279    }
 280
 281    for( int i=0; i<k_srjoystick_max; i++ ){
 282       vg_input_op *prog = input_joy_list[i];
 283       if( prog ){
 284          vg_exec_input_program( k_vg_input_type_joy_v2f, prog,
 285                                 srinput.joystick_states[i][0] );
 286       }
 287    }
 288
 289    f32 x = srinput.axis_states[k_sraxis_mbrowse_h][0],
 290        y = srinput.axis_states[k_sraxis_mbrowse_v][0],
 291        sensitivity = 0.35f;
 292
 293    if( fabsf(x) > sensitivity ){
 294       if( x > 0.0f ) srinput.button_states[k_srbind_mright][0] = 1;
 295       else           srinput.button_states[k_srbind_mleft][0] = 1;
 296    }
 297
 298    if( fabsf(y) > sensitivity ){
 299       if( y > 0.0f ) srinput.button_states[k_srbind_mup][0] = 1;
 300       else           srinput.button_states[k_srbind_mdown][0] = 1;
 301    }
 302 }
 303
 304 #endif /* INPUT_H */