hand slides
authorhgn <hgodden00@gmail.com>
Wed, 13 Dec 2023 18:04:03 +0000 (18:04 +0000)
committerhgn <hgodden00@gmail.com>
Wed, 13 Dec 2023 18:04:03 +0000 (18:04 +0000)
input.h
maps_src/dev_flatworld/main.mdl [new file with mode: 0644]
models_src/ch_none.mdl
player.h
player_render.c
player_skate.c
player_skate.h

diff --git a/input.h b/input.h
index d60fece386d84e14bfe963c832ea23719a9b4869..fb2f3d969a75b8f6e5b5f5aaa76713808d6dba27 100644 (file)
--- a/input.h
+++ b/input.h
@@ -54,6 +54,7 @@ enum sr_axis{
    k_sraxis_mbrowse_h,
    k_sraxis_mbrowse_v,
    k_sraxis_replay_h,
+   k_sraxis_skid,
    k_sraxis_max
 };
 
@@ -77,10 +78,10 @@ static vg_input_op *input_button_list[] = {
    vg_mode_absmax, vg_joy_button, SDL_CONTROLLER_BUTTON_X, vg_end 
 },
 [k_srbind_use]   = INPUT_BASIC( SDLK_e, SDL_CONTROLLER_BUTTON_Y ),
-[k_srbind_reset] = INPUT_BASIC( SDLK_r, SDL_CONTROLLER_BUTTON_LEFTSHOULDER ),
+[k_srbind_reset] = INPUT_BASIC( SDLK_r, SDL_CONTROLLER_BUTTON_DPAD_LEFT ),
 [k_srbind_dead_respawn] =
-   INPUT_BASIC( SDLK_q, SDL_CONTROLLER_BUTTON_RIGHTSHOULDER ),
-[k_srbind_camera]= INPUT_BASIC( SDLK_c, SDL_CONTROLLER_BUTTON_RIGHTSHOULDER ),
+   INPUT_BASIC( SDLK_q, SDL_CONTROLLER_BUTTON_DPAD_RIGHT ),
+[k_srbind_camera]= INPUT_BASIC( SDLK_c, SDL_CONTROLLER_BUTTON_DPAD_RIGHT ),
 [k_srbind_mleft] = INPUT_BASIC( SDLK_LEFT, SDL_CONTROLLER_BUTTON_DPAD_LEFT ),
 [k_srbind_mright]= INPUT_BASIC( SDLK_RIGHT, SDL_CONTROLLER_BUTTON_DPAD_RIGHT ),
 [k_srbind_world_left] = 
@@ -141,6 +142,11 @@ static vg_input_op *input_axis_list[] = {
    vg_mode_sub, vg_joy_axis, SDL_CONTROLLER_AXIS_TRIGGERLEFT,
    vg_end
 },
+[k_sraxis_skid] = (vg_input_op[]){
+   vg_mode_add, vg_joy_button, SDL_CONTROLLER_BUTTON_RIGHTSHOULDER,
+   vg_mode_sub, vg_joy_button, SDL_CONTROLLER_BUTTON_LEFTSHOULDER,
+   vg_end
+},
 [k_sraxis_max]=NULL
 };
 
diff --git a/maps_src/dev_flatworld/main.mdl b/maps_src/dev_flatworld/main.mdl
new file mode 100644 (file)
index 0000000..e86aba5
Binary files /dev/null and b/maps_src/dev_flatworld/main.mdl differ
index e17c75934538d8d81cc7405f1b8ac6f883296ae9..32f72742438ac9e8e5e0b3c6db43ed72cfe5766d 100644 (file)
Binary files a/models_src/ch_none.mdl and b/models_src/ch_none.mdl differ
index c18e51b89b88b2bc01fe538a99fd634d18f2ae2b..4396cbe353a5cb432087be6c4b400f3e7ebdbc28 100644 (file)
--- a/player.h
+++ b/player.h
@@ -145,23 +145,25 @@ struct {
    mdl_context skeleton_meta;
    struct skeleton skeleton;
 
-   u32 id_hip,
-       id_chest,
-       id_ik_hand_l,
-       id_ik_hand_r,
-       id_ik_elbow_l,
-       id_ik_elbow_r,
-       id_head,
-       id_foot_l,
-       id_foot_r,
-       id_ik_foot_l,
-       id_ik_foot_r,
-       id_ik_knee_l,
-       id_ik_knee_r,
-       id_wheel_l,
-       id_wheel_r,
-       id_board,
-       id_eyes;
+   u8 id_hip,
+      id_chest,
+      id_ik_hand_l,
+      id_ik_hand_r,
+      id_ik_elbow_l,
+      id_ik_elbow_r,
+      id_head,
+      id_foot_l,
+      id_foot_r,
+      id_ik_foot_l,
+      id_ik_foot_r,
+      id_ik_knee_l,
+      id_ik_knee_r,
+      id_wheel_l,
+      id_wheel_r,
+      id_board,
+      id_eyes;
+
+   u8 skeleton_mirror[32];
 
    struct player_effects_data effect_data;
 }
index 44ab25b92a755505b8786062b555275f0aa93299..5b9b3be96105299da4a28af9e4e4eda590d07691 100644 (file)
@@ -46,6 +46,35 @@ static void player_load_animation_reference( const char *path ){
    localplayer.id_ik_knee_r  = skeleton_bone_id( sk, "knee.R" );
    localplayer.id_eyes       = skeleton_bone_id( sk, "eyes" );
 
+   for( i32 i=0; i<sk->bone_count; i ++ ){
+      localplayer.skeleton_mirror[i] = 0;
+   }
+
+   for( i32 i=1; i<sk->bone_count-1; i ++ ){
+      struct skeleton_bone *si = &sk->bones[i];
+
+      char tmp[64];
+      vg_str str;
+      vg_strnull( &str, tmp, 64 );
+      vg_strcat( &str, si->name );
+
+      char *L = vg_strch( &str, 'L' );
+      if( !L ) continue;
+      u32 len = L-tmp;
+
+      for( i32 j=i+1; j<sk->bone_count; j ++ ){
+         struct skeleton_bone *sj = &sk->bones[j];
+
+         if( !strncmp( si->name, sj->name, len ) ){
+            if( sj->name[len] == 'R' ){
+               localplayer.skeleton_mirror[i] = j;
+               localplayer.skeleton_mirror[j] = i;
+               break;
+            }
+         }
+      }
+   }
+
    setup_ragdoll_from_skeleton( sk, &localplayer.ragdoll );
 
    /* allocate matrix buffers for localplayer and remote players */
index 94b523b3ee3e567c4d3367d33183ff690c36ea2d..1c748dc6ff85c95d2c11f49637cb33af69cf9379 100644 (file)
@@ -804,6 +804,8 @@ static void skate_apply_steering_model(void){
    float rate = 26.0f,
          top  = 1.0f;
 
+   f32 skid_target = 0.0f;
+
    if( state->activity <= k_skate_activity_air_to_grind ){
       rate = 6.0f * fabsf(steer);
       top  = 1.5f;
@@ -833,12 +835,22 @@ static void skate_apply_steering_model(void){
          rate = 35.0f;
          top  = 1.5f;
       }
-      
+      else {
+         f32 skid = axis_state(k_sraxis_skid);
+         if( fabsf(skid) > 0.1f ){
+            skid_target = skid;
+         }
+      }
+
       if( grab < 0.5f ){
          top *= 1.0f+v3_length( state->throw_v )*k_mmthrow_steer;
       }
    }
 
+   vg_slewf( &state->skid, skid_target, k_rb_delta*(1.0f/0.1f) );
+   steer = vg_lerpf( steer, state->skid*k_steer_ground*0.5f, 
+                     fabsf(state->skid*0.8f) );
+
    float current  = v3_dot( localplayer.rb.to_world[1], localplayer.rb.w ),
          addspeed = (steer * -top) - current,
          maxaccel = rate * k_rb_delta,
@@ -872,14 +884,19 @@ static void skate_apply_friction_model(void){
    state->slip = slip;
    state->reverse = -vg_signf(vel[2]);
 
+   f32 lat = k_friction_lat;
+
+   if( fabsf(axis_state(k_sraxis_skid)) > 0.1f ){
+      lat = k_friction_lat * 2.0f;
+   }
+
    vel[0] += vg_cfrictf( vel[0], k_friction_lat * k_rb_delta );
    vel[2] += vg_cfrictf( vel[2], k_friction_resistance * k_rb_delta );
 
    /* Pushing additive force */
 
-   if( !button_press( k_srbind_jump ) ){
-      if( button_press( k_srbind_push ) || (vg.time-state->start_push<0.75) )
-      {
+   if( !button_press( k_srbind_jump ) && (fabsf(state->skid)<0.1f) ){
+      if( button_press( k_srbind_push ) || (vg.time-state->start_push<0.75) ){
          if( (vg.time - state->cur_push) > 0.25 )
             state->start_push = vg.time;
 
@@ -2697,7 +2714,6 @@ static void player__skate_animate(void){
 
    v3f cam_offset;
    v3_mul( animator->offset, (v3f){1.0f,0.3f,1.0f}, cam_offset );
-   v3_copy( cam_offset, localplayer.cam_control.tpv_offset_extra );
 
    /* localized vectors */
    m4x3_mulv( localplayer.rb.to_local, state->cog, animator->local_cog );
@@ -2711,24 +2727,34 @@ static void player__skate_animate(void){
    {
       float desired = 0.0f;
       if( state->activity == k_skate_activity_ground )
-         desired = vg_clampf( fabsf( state->slip ), 0.0f, 1.0f );
+         desired = vg_clampf( vg_maxf(fabsf( state->slip ),
+                                      fabsf( state->skid ) ), 0.0f, 1.0f );
 
       animator->slide = vg_lerpf( animator->slide, desired, 2.4f*vg.time_delta);
+
+      f32 dirx = 0.0f;
+      if( fabsf(state->slip) > fabsf(dirx) ) dirx = state->slip;
+      if( fabsf(state->skid) > fabsf(dirx) ) dirx = state->skid;
+      if( fabsf( dirx ) > 0.025f ) dirx = vg_signf( dirx );
+         dirx = vg_signf( state->slip );
+      vg_slewf( &animator->x, dirx, 2.6f*vg.time_delta );
    }
+
+   cam_offset[0] += animator->slide * -animator->x;
+   v3_copy( cam_offset, localplayer.cam_control.tpv_offset_extra );
    
    /* movement information */
    int iair = state->activity <= k_skate_activity_air_to_grind;
 
    float dirz = state->reverse > 0.0f? 0.0f: 1.0f,
-         dirx = state->slip < 0.0f?    0.0f: 1.0f,
-         fly  = iair?                    1.0f: 0.0f,
+         fly  = iair?                  1.0f: 0.0f,
          wdist= player_skate.weight_distribution[2] / k_board_length;
 
    if( state->activity >= k_skate_activity_grind_any )
       wdist = 0.0f;
 
    animator->z      = vg_lerpf( animator->z,      dirz,  2.4f*vg.time_delta );
-   animator->x      = vg_lerpf( animator->x,      dirx,  0.6f*vg.time_delta );
+   animator->skid = state->skid;
    animator->fly    = vg_lerpf( animator->fly,    fly,   3.4f*vg.time_delta );
    animator->weight = vg_lerpf( animator->weight, wdist, 9.0f*vg.time_delta );
 
@@ -2843,10 +2869,14 @@ static void player__skate_animate(void){
    animator->grabbing = state->grabbing;
 
    /* steer */
-   joystick_state( k_srjoystick_steer, animator->steer );
+   v2f steer;
+   joystick_state( k_srjoystick_steer, steer );
+   animator->airdir = vg_lerpf( animator->airdir, 
+                                -steer[0], 2.4f*vg.time_delta );
 
-   animator->airdir = vg_lerpf( animator->airdir, -animator->steer[0],
-                                2.4f*vg.time_delta );
+   animator->steer[0] = steer[0];
+   animator->steer[1] = vg_lerpf( animator->steer[1], 
+                                  steer[0], 4.0f*vg.time_delta );
       
 
    /* flip angle */
@@ -2962,8 +2992,28 @@ static void player__skate_pose( void *_animator, player_pose *pose ){
       skeleton_lerp_pose( sk, apose, bpose, stand_blend, apose );
 
       /* sliding */
-      skeleton_sample_anim( sk, player_skate.anim_slide, animator->x * 0.5f, 
-                            bpose );
+      f32 slide_frame = animator->x * 0.25f + 0.25f;
+      skeleton_sample_anim( sk, player_skate.anim_slide, slide_frame, bpose );
+
+      mdl_keyframe mirrored[32];
+      for( u32 i=1; i<sk->bone_count; i ++ ){
+
+         mdl_keyframe *dest = &mirrored[i-1];
+         u8 mapping = localplayer.skeleton_mirror[i];
+
+         if( mapping ) *dest = bpose[mapping-1]; /* R */
+         else          *dest = bpose[i-1];       /* L */
+
+         dest->co[2] *= -1.0f;
+         dest->q[0] *= -1.0f;
+         dest->q[1] *= -1.0f;
+      }
+      skeleton_lerp_pose( sk, bpose, mirrored, animator->z, bpose );
+
+
+
+
+
       skeleton_lerp_pose( sk, apose, bpose, animator->slide, apose );
 
       if( animator->reverse > 0.0f ){
@@ -3118,7 +3168,8 @@ static void player__skate_pose( void *_animator, player_pose *pose ){
          *kf_elbow_l = &pose->keyframes[localplayer.id_ik_elbow_l-1],
          *kf_elbow_r = &pose->keyframes[localplayer.id_ik_elbow_r-1],
          *kf_hand_l  = &pose->keyframes[localplayer.id_ik_hand_l-1],
-         *kf_hand_r  = &pose->keyframes[localplayer.id_ik_hand_r-1];
+         *kf_hand_r  = &pose->keyframes[localplayer.id_ik_hand_r-1],
+         *kf_hip     = &pose->keyframes[localplayer.id_hip-1];
 
       float warble = perlin1d( vg.time, 2.0f, 2, 300 );
             warble *= vg_maxf(animator->grind, fabsf(animator->weight)) * 0.3f;
@@ -3141,6 +3192,52 @@ static void player__skate_pose( void *_animator, player_pose *pose ){
       q_inv( qrot, qrot );
       q_mul( qrot, kf_head->q, kf_head->q );
       q_normalize( kf_head->q );
+
+
+      /* hand placement */
+
+      u32 hand_id = animator->z < 0.5f? 
+                    localplayer.id_ik_hand_l: localplayer.id_ik_hand_r;
+
+      v3f sample_co;
+      m4x3f mmdl;
+      q_m3x3( pose->root_q, mmdl );
+      q_mulv( pose->root_q, pose->keyframes[hand_id-1].co, mmdl[3] );
+      v3_add( mmdl[3], pose->root_co, mmdl[3] );
+      m4x3_mulv( mmdl, sk->bones[hand_id].co, sample_co );
+
+      v3_muladds( sample_co, mmdl[1], 0.3f, sample_co );
+      vg_line_point( sample_co, 0.04f, 0xff0000ff );
+
+      v3f dir;
+      v3_muls( mmdl[1], -1.0f, dir );
+      ray_hit hit = { .dist = 1.5f };
+      if(ray_world( world_current_instance(), sample_co, dir, &hit, 0 )){
+         vg_line_cross( hit.pos, 0xff0000ff, 0.05f );
+         vg_line( sample_co, hit.pos, 0xffffffff );
+
+         f32 amt = vg_maxf( 0.0f, animator->slide-0.5f ) * 
+                   2.0f * fabsf(animator->z*2.0f-1.0f);
+
+         f32 d = (hit.dist - 0.3f) * amt;
+         pose->keyframes[hand_id-1].co[1] -= d;
+         kf_hip->co[1] -= d*0.4f;
+      }
+
+      /* skid */
+      f32 amt = vg_maxf(0.0f, (animator->slide - 0.5f) * 2.0f);
+      u8 skidders[] = { localplayer.id_ik_foot_l, 
+                        localplayer.id_ik_foot_r,
+                        localplayer.id_board };
+      v4f qskid;
+      q_axis_angle( qskid, (v3f){0,1,0}, -animator->steer[1]*0.2f );
+
+      for( u32 i=0; i<vg_list_size(skidders); i ++ ){
+         mdl_keyframe *kf = &pose->keyframes[ skidders[i]-1 ];
+         keyframe_rotate_around( kf, 
+               (v3f){0,0,0.4f*(animator->z*2.0f-1.0f)*amt}, 
+                                 sk->bones[skidders[i]].co, qskid );
+      }
    }
 }
 
@@ -3271,7 +3368,7 @@ static void player__skate_animator_exchange( bitpack_ctx *ctx, void *data ){
    bitpack_qv3f( ctx, 8, -1.0f, 1.0f, animator->offset );
    bitpack_qv3f( ctx, 8, -1.0f, 1.0f, animator->local_cog );
    bitpack_qf32( ctx, 8,  0.0f, 1.0f, &animator->slide );
-   bitpack_qf32( ctx, 8, -1.0f, 1.0f, &animator->z );
+   bitpack_qf32( ctx, 8,  0.0f, 1.0f, &animator->z );
    bitpack_qf32( ctx, 8, -1.0f, 1.0f, &animator->x );
 
    /* these could likely be pressed down into single bits if needed */
index 8af645bdf1ac102d6deb07419742fa285e3da972..04978ae6692610f99e6d6102e939ce2d7b2809fd 100644 (file)
@@ -79,7 +79,7 @@ struct player_skate{
       v3f land_normal;
       v4f smoothed_rotation;
 
-      f32 velocity_limit, grind_y_start;
+      f32 velocity_limit, grind_y_start, skid;
    }
    state;
 
@@ -92,6 +92,7 @@ struct player_skate{
           local_cog;
 
       f32 slide,
+          skid,
           z,
           x,
           fly,