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