ent_npc.c

   1 #include "vg/vg_mem.h"
   2 #include "ent_npc.h"
   3 #include "shaders/model_character_view.h"
   4
   5 struct npc npc_gumpa;
   6 static struct skeleton_anim *gumpa_idle;
   7
   8 void npc_load_model( struct npc *npc, const char *path )
   9 {
  10    vg_linear_clear( vg_mem.scratch );
  11
  12    mdl_context *meta = &npc->meta;
  13    mdl_open( meta, path, vg_mem.rtmemory );
  14    mdl_load_metadata_block( meta, vg_mem.rtmemory );
  15    mdl_load_animation_block( meta, vg_mem.rtmemory );
  16
  17    struct skeleton *sk = &npc->skeleton;
  18    skeleton_setup( sk, vg_mem.rtmemory, meta );
  19
  20    u32 mtx_size = sizeof(m4x3f)*sk->bone_count;
  21    npc->final_mtx = vg_linear_alloc( vg_mem.rtmemory, mtx_size );
  22
  23    if( !mdl_arrcount( &meta->textures ) )
  24       vg_fatal_error( "No texture in model" );
  25
  26    mdl_texture *tex0 = mdl_arritm( &meta->textures, 0 );
  27    void *data = vg_linear_alloc( vg_mem.scratch, tex0->file.pack_size );
  28    mdl_fread_pack_file( meta, &tex0->file, data );
  29
  30    vg_tex2d_load_qoi_async( data, tex0->file.pack_size,
  31                             VG_TEX2D_NEAREST|VG_TEX2D_CLAMP,
  32                             &npc->texture );
  33
  34    mdl_async_load_glmesh( meta, &npc->mesh, NULL );
  35    mdl_close( meta );
  36 }
  37
  38 void npc_init(void)
  39 {
  40    npc_load_model( &npc_gumpa, "models/gumpa.mdl" );
  41    gumpa_idle = skeleton_get_anim( &npc_gumpa.skeleton, "gumpa_idle" );
  42 }
  43
  44 static struct npc *npc_resolve( u32 id )
  45 {
  46    if( id == 1 ) return &npc_gumpa;
  47    else return NULL;
  48 }
  49
  50 void npc_update( ent_npc *ent )
  51 {
  52    struct npc *npc_def = npc_resolve( ent->id );
  53    VG_ASSERT( npc_def );
  54
  55    player_pose pose;
  56    struct skeleton *sk = &npc_def->skeleton;
  57    pose.type = k_player_pose_type_ik;
  58    pose.board.lean = 0.0f;
  59
  60    skeleton_sample_anim( sk, gumpa_idle, vg.time, pose.keyframes );
  61
  62    v3_copy( ent->transform.co, pose.root_co );
  63    v4_copy( ent->transform.q, pose.root_q );
  64    apply_full_skeleton_pose( &npc_def->skeleton, &pose, npc_def->final_mtx );
  65 }
  66
  67 void npc_render( ent_npc *ent, world_instance *world, vg_camera *cam )
  68 {
  69    struct npc *npc_def = npc_resolve( ent->id );
  70    VG_ASSERT( npc_def );
  71
  72    shader_model_character_view_use();
  73
  74         glActiveTexture( GL_TEXTURE0 );
  75         glBindTexture( GL_TEXTURE_2D, npc_def->texture );
  76    shader_model_character_view_uTexMain( 0 );
  77    shader_model_character_view_uCamera( cam->transform[3] );
  78    shader_model_character_view_uPv( cam->mtx.pv );
  79    shader_model_character_view_uDepthCompare( 0 );
  80
  81    WORLD_BIND_LIGHT_BUFFERS_UB0_TEX234( world, model_character_view );
  82
  83    glUniformMatrix4x3fv( _uniform_model_character_view_uTransforms,
  84                          npc_def->skeleton.bone_count,
  85                          0,
  86                          (const GLfloat *)npc_def->final_mtx );
  87
  88    mesh_bind( &npc_def->mesh );
  89    mesh_draw( &npc_def->mesh );
  90 }