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
  40    k_srbind_miniworld_teleport,
  41    k_srbind_miniworld_resume,
  42
  43    k_srbind_max,
  44 };
  45
  46 enum sr_joystick{
  47    k_srjoystick_steer = 0,
  48    k_srjoystick_grab,
  49    k_srjoystick_look,
  50    k_srjoystick_max
  51 };
  52
  53 enum sr_axis{
  54    k_sraxis_grab = 0,
  55    k_sraxis_mbrowse_h,
  56    k_sraxis_mbrowse_v,
  57    k_sraxis_replay_h,
  58    k_sraxis_skid,
  59    k_sraxis_max
  60 };
  61
  62
  63 #define INPUT_BASIC( KB, JS ) \
  64    (vg_input_op[]){vg_keyboard, KB, vg_joy_button, JS, vg_end}
  65
  66 static vg_input_op *input_button_list[] = {
  67 [k_srbind_jump]  = INPUT_BASIC( SDLK_SPACE, SDL_CONTROLLER_BUTTON_A ),
  68 [k_srbind_push]  = INPUT_BASIC( SDLK_w, SDL_CONTROLLER_BUTTON_B ),
  69 [k_srbind_trick0] = (vg_input_op[]){
  70    vg_mouse, SDL_BUTTON_LEFT,
  71    vg_joy_button, SDL_CONTROLLER_BUTTON_A, vg_end
  72 },
  73 [k_srbind_trick1] = (vg_input_op[]){
  74    vg_mouse, SDL_BUTTON_RIGHT,
  75    vg_joy_button, SDL_CONTROLLER_BUTTON_B, vg_end
  76 },
  77 [k_srbind_trick2] = (vg_input_op[]){
  78    vg_mouse, SDL_BUTTON_LEFT, vg_mode_mul, vg_mouse, SDL_BUTTON_RIGHT,
  79    vg_mode_absmax, vg_joy_button, SDL_CONTROLLER_BUTTON_X, vg_end
  80 },
  81 [k_srbind_use]   = INPUT_BASIC( SDLK_e, SDL_CONTROLLER_BUTTON_Y ),
  82 [k_srbind_reset] = INPUT_BASIC( SDLK_r, SDL_CONTROLLER_BUTTON_DPAD_LEFT ),
  83 [k_srbind_dead_respawn] =
  84    INPUT_BASIC( SDLK_q, SDL_CONTROLLER_BUTTON_DPAD_RIGHT ),
  85 [k_srbind_camera]= INPUT_BASIC( SDLK_c, SDL_CONTROLLER_BUTTON_DPAD_RIGHT ),
  86 [k_srbind_mleft] = INPUT_BASIC( SDLK_LEFT, SDL_CONTROLLER_BUTTON_DPAD_LEFT ),
  87 [k_srbind_mright]= INPUT_BASIC( SDLK_RIGHT, SDL_CONTROLLER_BUTTON_DPAD_RIGHT ),
  88 [k_srbind_world_left] =
  89                    INPUT_BASIC( SDLK_LEFT, SDL_CONTROLLER_BUTTON_DPAD_LEFT ),
  90 [k_srbind_world_right] =
  91                    INPUT_BASIC( SDLK_RIGHT, SDL_CONTROLLER_BUTTON_DPAD_RIGHT ),
  92 [k_srbind_home]  = INPUT_BASIC( SDLK_h, SDL_CONTROLLER_BUTTON_Y ),
  93 [k_srbind_mup]   = INPUT_BASIC( SDLK_UP, SDL_CONTROLLER_BUTTON_DPAD_UP ),
  94 [k_srbind_mdown] = INPUT_BASIC( SDLK_DOWN, SDL_CONTROLLER_BUTTON_DPAD_DOWN ),
  95 [k_srbind_mback] = INPUT_BASIC( SDLK_ESCAPE, SDL_CONTROLLER_BUTTON_B ),
  96 [k_srbind_mopen] = INPUT_BASIC( SDLK_ESCAPE, SDL_CONTROLLER_BUTTON_START ),
  97 [k_srbind_maccept] = (vg_input_op[]){
  98    vg_keyboard, SDLK_e, vg_gui_visible, 0,
  99       vg_keyboard, SDLK_RETURN, vg_keyboard, SDLK_RETURN2,
 100    vg_gui_visible, 1,
 101    vg_joy_button, SDL_CONTROLLER_BUTTON_A, vg_end
 102 },
 103 [k_srbind_replay_play]    = INPUT_BASIC( SDLK_g, SDL_CONTROLLER_BUTTON_X ),
 104 [k_srbind_replay_resume]  = INPUT_BASIC( SDLK_SPACE, SDL_CONTROLLER_BUTTON_A ),
 105 [k_srbind_replay_freecam] = INPUT_BASIC( SDLK_f, SDL_CONTROLLER_BUTTON_Y ),
 106 [k_srbind_sit]   = INPUT_BASIC( SDLK_z, SDL_CONTROLLER_BUTTON_B ),
 107 [k_srbind_lobby] = INPUT_BASIC( SDLK_TAB, SDL_CONTROLLER_BUTTON_DPAD_LEFT ),
 108 [k_srbind_chat ] = (vg_input_op[]){ vg_keyboard, SDLK_y, 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_max]=NULL
 120 };
 121
 122 static vg_input_op *input_axis_list[] = {
 123 [k_sraxis_grab] = (vg_input_op[]){
 124    vg_keyboard, SDLK_LSHIFT,
 125    vg_joy_axis, SDL_CONTROLLER_AXIS_TRIGGERRIGHT, vg_end
 126 },
 127 [k_sraxis_mbrowse_h] = (vg_input_op[]){
 128    vg_mode_sub, vg_keyboard, SDLK_LEFT,
 129    vg_mode_add, vg_keyboard, SDLK_RIGHT,
 130    vg_mode_add, vg_joy_axis, SDL_CONTROLLER_AXIS_LEFTX,
 131    vg_end
 132 },
 133 [k_sraxis_mbrowse_v] = (vg_input_op[]){
 134    vg_mode_add, vg_keyboard, SDLK_UP,
 135    vg_mode_sub, vg_keyboard, SDLK_DOWN,
 136    vg_mode_sub, vg_joy_axis, SDL_CONTROLLER_AXIS_LEFTY,
 137    vg_end
 138 },
 139 [k_sraxis_replay_h] = (vg_input_op[]){
 140    vg_mode_add, vg_keyboard, SDLK_e,
 141    vg_mode_sub, vg_keyboard, SDLK_q,
 142    vg_mode_add, vg_joy_axis, SDL_CONTROLLER_AXIS_TRIGGERRIGHT,
 143    vg_mode_sub, vg_joy_axis, SDL_CONTROLLER_AXIS_TRIGGERLEFT,
 144    vg_end
 145 },
 146 [k_sraxis_skid] = (vg_input_op[]){
 147    vg_mode_add, vg_joy_button, SDL_CONTROLLER_BUTTON_RIGHTSHOULDER,
 148    vg_mode_sub, vg_joy_button, SDL_CONTROLLER_BUTTON_LEFTSHOULDER,
 149    vg_end
 150 },
 151 [k_sraxis_max]=NULL
 152 };
 153
 154 static vg_input_op *input_joy_list[] = {
 155 [k_srjoystick_steer] = (vg_input_op[]){
 156    vg_index, 0, vg_mode_add, vg_keyboard, SDLK_d,
 157                 vg_mode_sub, vg_keyboard, SDLK_a,
 158    vg_index, 1, vg_mode_add, vg_keyboard, SDLK_s,
 159                 vg_mode_sub, vg_keyboard, SDLK_w,
 160                 vg_mode_absmax, vg_joy_ls,
 161    vg_end
 162 },
 163 [k_srjoystick_grab] = (vg_input_op[]){
 164    vg_joy_rs, vg_end
 165 },
 166 [k_srjoystick_look] = (vg_input_op[]){
 167    vg_joy_rs, vg_end
 168 },
 169 [k_srjoystick_max]=NULL
 170 };
 171
 172 struct {
 173    float axis_states[ k_sraxis_max ][2];
 174    v2f joystick_states[ k_srjoystick_max ][2];
 175    u8 button_states[ k_srbind_max ][2];
 176
 177    enum input_state {
 178       k_input_state_enabled,
 179       k_input_state_resume,
 180       k_input_state_resuming,
 181       k_input_state_pause
 182    }
 183    state;
 184 }
 185 static srinput;
 186
 187 static int input_filter_generic(void){
 188    if( srinput.state != k_input_state_enabled ||
 189        vg_ui.wants_mouse || 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 }
 310
 311 #endif /* INPUT_H */