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_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_RIGHT ),
  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_home]  = INPUT_BASIC( SDLK_h, SDL_CONTROLLER_BUTTON_Y ),
  92 [k_srbind_mup]   = INPUT_BASIC( SDLK_UP, SDL_CONTROLLER_BUTTON_DPAD_UP ),
  93 [k_srbind_mdown] = INPUT_BASIC( SDLK_DOWN, SDL_CONTROLLER_BUTTON_DPAD_DOWN ),
  94 [k_srbind_mback] = INPUT_BASIC( SDLK_ESCAPE, SDL_CONTROLLER_BUTTON_B ),
  95 [k_srbind_mopen] = INPUT_BASIC( SDLK_ESCAPE, SDL_CONTROLLER_BUTTON_START ),
  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
 109 [k_srbind_miniworld_resume]  = (vg_input_op[]){
 110    vg_keyboard, SDLK_RETURN, vg_gui_visible, 0,
 111    vg_keyboard, SDLK_RETURN2,
 112    vg_gui_visible, 1,
 113    vg_joy_button, SDL_CONTROLLER_BUTTON_X, vg_end
 114 },
 115 [k_srbind_miniworld_teleport]= INPUT_BASIC( SDLK_q,
 116                                        SDL_CONTROLLER_BUTTON_LEFTSHOULDER ),
 117
 118 [k_srbind_max]=NULL
 119 };
 120
 121 static vg_input_op *input_axis_list[] = {
 122 [k_sraxis_grab] = (vg_input_op[]){
 123    vg_keyboard, SDLK_LSHIFT,
 124    vg_joy_axis, SDL_CONTROLLER_AXIS_TRIGGERRIGHT, vg_end
 125 },
 126 [k_sraxis_mbrowse_h] = (vg_input_op[]){
 127    vg_mode_sub, vg_keyboard, SDLK_LEFT,
 128    vg_mode_add, vg_keyboard, SDLK_RIGHT,
 129    vg_mode_add, vg_joy_axis, SDL_CONTROLLER_AXIS_LEFTX,
 130    vg_end
 131 },
 132 [k_sraxis_mbrowse_v] = (vg_input_op[]){
 133    vg_mode_add, vg_keyboard, SDLK_UP,
 134    vg_mode_sub, vg_keyboard, SDLK_DOWN,
 135    vg_mode_sub, vg_joy_axis, SDL_CONTROLLER_AXIS_LEFTY,
 136    vg_end
 137 },
 138 [k_sraxis_replay_h] = (vg_input_op[]){
 139    vg_mode_add, vg_keyboard, SDLK_e,
 140    vg_mode_sub, vg_keyboard, SDLK_q,
 141    vg_mode_add, vg_joy_axis, SDL_CONTROLLER_AXIS_TRIGGERRIGHT,
 142    vg_mode_sub, vg_joy_axis, SDL_CONTROLLER_AXIS_TRIGGERLEFT,
 143    vg_end
 144 },
 145 [k_sraxis_skid] = (vg_input_op[]){
 146    vg_mode_add, vg_joy_button, SDL_CONTROLLER_BUTTON_RIGHTSHOULDER,
 147    vg_mode_sub, vg_joy_button, SDL_CONTROLLER_BUTTON_LEFTSHOULDER,
 148    vg_end
 149 },
 150 [k_sraxis_max]=NULL
 151 };
 152
 153 static vg_input_op *input_joy_list[] = {
 154 [k_srjoystick_steer] = (vg_input_op[]){
 155    vg_index, 0, vg_mode_add, vg_keyboard, SDLK_d,
 156                 vg_mode_sub, vg_keyboard, SDLK_a,
 157    vg_index, 1, vg_mode_add, vg_keyboard, SDLK_s,
 158                 vg_mode_sub, vg_keyboard, SDLK_w,
 159                 vg_mode_absmax, vg_joy_ls,
 160    vg_end
 161 },
 162 [k_srjoystick_grab] = (vg_input_op[]){
 163    vg_joy_rs, vg_end
 164 },
 165 [k_srjoystick_look] = (vg_input_op[]){
 166    vg_joy_rs, vg_end
 167 },
 168 [k_srjoystick_max]=NULL
 169 };
 170
 171 struct {
 172    float axis_states[ k_sraxis_max ][2];
 173    v2f joystick_states[ k_srjoystick_max ][2];
 174    u8 button_states[ k_srbind_max ][2];
 175
 176    enum input_state {
 177       k_input_state_enabled,
 178       k_input_state_resume,
 179       k_input_state_resuming,
 180       k_input_state_pause
 181    }
 182    state;
 183 }
 184 static srinput;
 185
 186 static int input_filter_generic(void){
 187    if( srinput.state != k_input_state_enabled ||
 188        vg_ui.wants_mouse || vg_console.enabled )
 189       return 1;
 190    else
 191       return 0;
 192 }
 193
 194 static int buttons_filter_fixed(void){
 195    if( input_filter_generic() )
 196       return 1;
 197
 198    if( vg.engine_stage == k_engine_stage_update_fixed )
 199       if( vg.fixed_iterations > 0 )
 200          return 1;
 201
 202    return 0;
 203 }
 204
 205 /* Rising edge of button */
 206 static int button_down( enum sr_bind button ){
 207    if( buttons_filter_fixed() ) return 0;
 208
 209    if(  srinput.button_states[ button ][0] &&
 210        !srinput.button_states[ button ][1] )
 211       return 1;
 212    else
 213       return 0;
 214 }
 215
 216 /* Falling edge of button */
 217 static int button_up( enum sr_bind button ){
 218    if( buttons_filter_fixed() ) return 0;
 219
 220    if( !srinput.button_states[ button ][0] &&
 221         srinput.button_states[ button ][1] )
 222       return 1;
 223    else
 224       return 0;
 225 }
 226
 227 /* State of button */
 228 static int button_press( enum sr_bind button ){
 229    if( input_filter_generic() )
 230       return 0;
 231    return
 232       srinput.button_states[ button ][0];
 233 }
 234
 235 static void joystick_state( enum sr_joystick joystick, v2f state ){
 236    if( input_filter_generic() )
 237       v2_zero( state );
 238    else
 239       v2_copy( srinput.joystick_states[ joystick ][0], state );
 240 }
 241
 242 static float axis_state( enum sr_axis axis ){
 243    if( input_filter_generic() )
 244       return 0.0f;
 245    else
 246       return srinput.axis_states[axis][0];
 247 }
 248
 249 static void skaterift_preupdate_inputs(void){
 250    if( srinput.state == k_input_state_resuming )
 251       srinput.state = k_input_state_enabled;
 252
 253    if( srinput.state == k_input_state_resume )
 254       srinput.state = k_input_state_resuming;
 255
 256    for( u32 i=0; i<k_srbind_max; i++ ){
 257       srinput.button_states[i][1] = srinput.button_states[i][0];
 258       srinput.button_states[i][0] = 0;
 259    }
 260
 261    for( u32 i=0; i<k_srjoystick_max; i++ ){
 262       v2_copy( srinput.joystick_states[i][0], srinput.joystick_states[i][1] );
 263       v2_zero( srinput.joystick_states[i][0] );
 264    }
 265
 266    for( u32 i=0; i<k_sraxis_max; i++ ){
 267       srinput.axis_states[i][1] = srinput.axis_states[i][0];
 268       srinput.axis_states[i][0] = 0.0f;
 269    }
 270
 271    for( int i=0; i<k_srbind_max; i++ ){
 272       vg_input_op *prog = input_button_list[i];
 273       if( prog ){
 274          vg_exec_input_program( k_vg_input_type_button_u8, prog,
 275                                 &srinput.button_states[i][0] );
 276       }
 277    }
 278
 279    for( int i=0; i<k_sraxis_max; i++ ){
 280       vg_input_op *prog = input_axis_list[i];
 281       if( prog ){
 282          vg_exec_input_program( k_vg_input_type_axis_f32, prog,
 283                                 &srinput.axis_states[i][0] );
 284       }
 285    }
 286
 287    for( int i=0; i<k_srjoystick_max; i++ ){
 288       vg_input_op *prog = input_joy_list[i];
 289       if( prog ){
 290          vg_exec_input_program( k_vg_input_type_joy_v2f, prog,
 291                                 srinput.joystick_states[i][0] );
 292       }
 293    }
 294
 295    f32 x = srinput.axis_states[k_sraxis_mbrowse_h][0],
 296        y = srinput.axis_states[k_sraxis_mbrowse_v][0],
 297        sensitivity = 0.35f;
 298
 299    if( fabsf(x) > sensitivity ){
 300       if( x > 0.0f ) srinput.button_states[k_srbind_mright][0] = 1;
 301       else           srinput.button_states[k_srbind_mleft][0] = 1;
 302    }
 303
 304    if( fabsf(y) > sensitivity ){
 305       if( y > 0.0f ) srinput.button_states[k_srbind_mup][0] = 1;
 306       else           srinput.button_states[k_srbind_mdown][0] = 1;
 307    }
 308 }
 309
 310 #endif /* INPUT_H */