player.c

   1 #ifndef PLAYER_C
   2 #define PLAYER_C
   3
   4 #include "player.h"
   5 #include "camera.h"
   6 #include "player_model.h"
   7
   8 PLAYER_API
   9 void player__debugtext( int size, const char *fmt, ... )
  10 {
  11         char buffer[ 1024 ];
  12
  13    va_list args;
  14    va_start( args, fmt );
  15    vsnprintf( buffer, 1024, fmt, args );
  16    va_end( args );
  17
  18    ui_text( vg_uictx.cursor, buffer, size, k_text_align_right );
  19         vg_uictx.cursor[1] += 14*size;
  20 }
  21
  22 /*
  23  * Init
  24  */
  25 PLAYER_API
  26 void player__create( player_instance *inst )
  27 {
  28    static int only_once = 0;
  29    assert( only_once == 0 );
  30    only_once ++;
  31
  32    inst->input_js1h = vg_create_named_input( "steer-h", k_input_type_axis );
  33    inst->input_js1v = vg_create_named_input( "steer-v", k_input_type_axis );
  34    inst->input_grab = vg_create_named_input( "grab",    k_input_type_axis_norm);
  35    inst->input_js2h = vg_create_named_input( "grab-h",  k_input_type_axis );
  36    inst->input_js2v = vg_create_named_input( "grab-v",  k_input_type_axis );
  37    inst->input_jump = vg_create_named_input( "jump",    k_input_type_button );
  38    inst->input_push = vg_create_named_input( "push",    k_input_type_button );
  39    inst->input_walk = vg_create_named_input( "walk",    k_input_type_button );
  40    inst->input_walkh= vg_create_named_input( "walk-h",  k_input_type_axis );
  41    inst->input_walkv= vg_create_named_input( "walk-v",  k_input_type_axis );
  42    inst->input_use  = vg_create_named_input( "use",     k_input_type_button );
  43    inst->input_reset= vg_create_named_input( "reset",   k_input_type_button );
  44    inst->input_camera=vg_create_named_input( "camera",  k_input_type_button );
  45    inst->input_trick0=vg_create_named_input( "trick0",  k_input_type_button );
  46    inst->input_trick1=vg_create_named_input( "trick1",  k_input_type_button );
  47    inst->input_trick2=vg_create_named_input( "trick2",  k_input_type_button );
  48
  49    const char *default_cfg[] =
  50    {
  51       "bind  steer-h gp-ls-h",
  52       "bind -steer-h a",
  53       "bind +steer-h d",
  54
  55       "bind  steer-v gp-ls-v",
  56       "bind -steer-v w",
  57       "bind +steer-v s",
  58
  59       "bind  grab gp-rt",
  60       "bind +grab shift",
  61       "bind  grab-h gp-rs-h",
  62       "bind  grab-v gp-rs-v",
  63
  64       "bind jump space",
  65       "bind jump gp-a",
  66
  67       "bind trick0 mouse1",
  68       "bind trick0 gp-a",
  69       "bind trick1 mouse2",
  70       "bind trick1 gp-b",
  71       "bind trick2 gp-x",     /* keyboard: m0 + m1 */
  72
  73       "bind push gp-b",
  74       "bind push w",
  75
  76       "bind walk shift",
  77       "bind walk gp-ls",
  78
  79       "bind  walk-h  gp-ls-h",
  80       "bind  walk-v -gp-ls-v",
  81       "bind +walk-h d",
  82       "bind -walk-h a",
  83       "bind +walk-v w",
  84       "bind -walk-v s",
  85
  86       "bind reset gp-lb",
  87       "bind reset r",
  88
  89       "bind use gp-y",
  90       "bind use e",
  91       "bind camera c"
  92    };
  93
  94    for( int i=0; i<vg_list_size(default_cfg); i++ )
  95       vg_execute_console_input(default_cfg[i]);
  96
  97    v3_zero( inst->rb.co );
  98    v3_zero( inst->rb.w );
  99    v3_zero( inst->rb.v );
 100    q_identity( inst->rb.q );
 101    m4x3_identity( inst->rb.to_world );
 102    m4x3_identity( inst->rb.to_local );
 103 }
 104
 105 /*
 106  * Appearence
 107  */
 108 PLAYER_API
 109 void player__use_avatar( player_instance *player, struct player_avatar *av )
 110 {
 111    player->playeravatar = av;
 112    player_setup_ragdoll_from_avatar( &player->ragdoll, av );
 113 }
 114
 115 PLAYER_API
 116 void player__use_mesh( player_instance *player, glmesh *mesh )
 117 {
 118    player->playermesh = mesh;
 119 }
 120
 121 PLAYER_API
 122 void player__use_texture( player_instance *player, vg_tex2d *tex )
 123 {
 124    player->playertex = tex;
 125 }
 126
 127 PLAYER_API
 128 void player__bind( player_instance *player )
 129 {
 130    player__skate_bind( player );
 131    player__walk_bind( player );
 132 }
 133
 134 /*
 135  * Gameloop events
 136  * ----------------------------------------------------------------------------
 137  */
 138 PLAYER_API
 139 void player__pre_update( player_instance *player )
 140 {
 141    if( vg_input_button_down( player->input_camera ) )
 142    {
 143       if( player->camera_mode == k_cam_firstperson )
 144          player->camera_mode = k_cam_thirdperson;
 145       else
 146          player->camera_mode = k_cam_firstperson;
 147    }
 148
 149    if( _player_pre_update[ player->subsystem ] )
 150       _player_pre_update[ player->subsystem ]( player );
 151 }
 152
 153 PLAYER_API
 154 void player__update( player_instance *player )
 155 {
 156    if( _player_update[ player->subsystem ] )
 157       _player_update[ player->subsystem ]( player );
 158 }
 159
 160 PLAYER_API
 161 void player__post_update( player_instance *player )
 162 {
 163    if( _player_post_update[ player->subsystem ] )
 164       _player_post_update[ player->subsystem ]( player );
 165 }
 166
 167 VG_STATIC void player_apply_transport_to_cam( m4x3f transport )
 168 {
 169    /* FIXME: Applies to main_camera directly! */
 170
 171    /* Pre-emptively edit the camera matrices so that the motion vectors
 172     * are correct */
 173    m4x3f transport_i;
 174    m4x4f transport_4;
 175    m4x3_invert_affine( transport, transport_i );
 176    m4x3_expand( transport_i, transport_4 );
 177    m4x4_mul( main_camera.mtx.pv, transport_4, main_camera.mtx.pv );
 178    m4x4_mul( main_camera.mtx.v,  transport_4, main_camera.mtx.v );
 179 }
 180
 181 VG_STATIC void gate_rotate_angles( teleport_gate *gate, v3f angles, v3f d )
 182 {
 183    v3f fwd_dir = { cosf(angles[0]),
 184                    0.0f,
 185                    sinf(angles[0])};
 186    m3x3_mulv( gate->transport, fwd_dir, fwd_dir );
 187
 188    v3_copy( angles, d );
 189    d[0] = atan2f( fwd_dir[2], fwd_dir[0] );
 190 }
 191
 192 /*
 193  * Applies gate transport to a player_interface
 194  */
 195 PLAYER_API
 196 void player__pass_gate( player_instance *player, teleport_gate *gate )
 197 {
 198    player->gate_waiting = gate;
 199
 200    gate_rotate_angles( gate, player->angles, player->angles );
 201    m4x3_mulv( gate->transport, player->tpv_lpf, player->tpv_lpf );
 202    m3x3_mulv( gate->transport, player->cam_velocity_smooth,
 203                                player->cam_velocity_smooth );
 204 }
 205
 206 VG_STATIC void player__pre_render( player_instance *player )
 207 {
 208    if( _player_animate[ player->subsystem ] )
 209    {
 210       player_animation res;
 211       _player_animate[ player->subsystem ]( player, &res );
 212
 213       /* TODO: eventually, blending code goes here */
 214
 215       m4x3f transform;
 216       q_m3x3( res.root_q, transform );
 217       v3_copy( res.root_co, transform[3] );
 218
 219       struct skeleton *sk = &player->playeravatar->sk;
 220
 221       if( player->holdout_time > 0.0f )
 222       {
 223          skeleton_lerp_pose( sk, res.pose, player->holdout_pose,
 224                                            player->holdout_time, res.pose );
 225          player->holdout_time -= vg.frame_delta * 2.0f;
 226       }
 227
 228       skeleton_apply_pose( sk, res.pose, k_anim_apply_defer_ik );
 229       skeleton_apply_ik_pass( sk );
 230       skeleton_apply_pose( sk, res.pose, k_anim_apply_deffered_only );
 231       skeleton_apply_inverses( sk );
 232       skeleton_apply_transform( sk, transform );
 233
 234 #if 0
 235       skeleton_debug( sk );
 236 #endif
 237    }
 238
 239    if( _player_post_animate[ player->subsystem ] )
 240       _player_post_animate[ player->subsystem ]( player );
 241
 242    struct player_avatar *av = player->playeravatar;
 243    v3f vp0 = {0.0f,0.1f, 0.55f},
 244        vp1 = {0.0f,0.1f,-0.55f};
 245
 246    m4x3_mulv( av->sk.final_mtx[ av->id_board ], vp0, TEMP_BOARD_0 );
 247    m4x3_mulv( av->sk.final_mtx[ av->id_board ], vp1, TEMP_BOARD_1 );
 248
 249    player__cam_iterate( player );
 250 }
 251
 252 PLAYER_API void player__render( camera *cam, player_instance *player )
 253 {
 254    shader_viewchar_use();
 255    vg_tex2d_bind( player->playertex, 0 );
 256    shader_viewchar_uTexMain( 0 );
 257    shader_viewchar_uCamera( cam->transform[3] );
 258    shader_viewchar_uPv( cam->mtx.pv );
 259    shader_link_standard_ub( _shader_viewchar.id, 2 );
 260    glUniformMatrix4x3fv( _uniform_viewchar_uTransforms,
 261                          player->playeravatar->sk.bone_count,
 262                          0,
 263                          (float *)player->playeravatar->sk.final_mtx );
 264
 265    mesh_bind( player->playermesh );
 266    mesh_draw( player->playermesh );
 267 }
 268
 269 PLAYER_API void player__im_gui( player_instance *player )
 270 {
 271    vg_uictx.cursor[0] = vg.window_x - 200;
 272    vg_uictx.cursor[1] = 0;
 273    vg_uictx.cursor[2] = 200;
 274    vg_uictx.cursor[3] = 200;
 275
 276    struct ui_vert *b = ui_fill_rect( vg_uictx.cursor, 0x70000000 );
 277
 278    vg_uictx.cursor[0] = vg.window_x;
 279
 280 #if 0
 281    player__debugtext( 1, "%.2f %.2f %.2f", player->cam.pos[0],
 282                                            player->cam.pos[1],
 283                                            player->cam.pos[2] );
 284 #endif
 285    player__debugtext( 1, "%.2f %.2f %.2f (%.2f)",
 286                                            player->cam.angles[0],
 287                                            player->cam.angles[1],
 288                                            player->cam.angles[2],
 289                                            player->cam.fov);
 290
 291    if( _player_im_gui[ player->subsystem ] )
 292       _player_im_gui[ player->subsystem ]( player );
 293
 294    b[2].co[1] = vg_uictx.cursor[1];
 295    b[3].co[1] = vg_uictx.cursor[1];
 296 }
 297
 298 PLAYER_API void player__spawn( player_instance *player,
 299                               struct respawn_point *rp )
 300 {
 301    v3_copy( rp->co, player->rb.co );
 302    v3_zero( player->rb.v );
 303    v3_zero( player->rb.w );
 304    q_identity( player->rb.q );
 305    rb_update_transform( &player->rb );
 306
 307    player->subsystem = k_player_subsystem_walk;
 308
 309    if( _player_reset[ player->subsystem ] )
 310       _player_reset[ player->subsystem ]( player, rp );
 311 }
 312
 313
 314 PLAYER_API void player__kill( player_instance *player )
 315 {
 316
 317 }
 318
 319 #endif /* PLAYER_C */