-enum route_special_type
-{
- k_route_special_type_none = 0,
- k_route_special_type_gate = 1,
- k_route_special_type_collector = 2
-};
-
-VG_STATIC void debug_sbpath( struct route_node *rna, struct route_node *rnb,
- u32 colour, float xoffset )
-{
- v3f p0, h0, p1, h1, l, p;
-
- v3_copy( rna->co, p0 );
- v3_muladds( rna->co, rna->h, 1.0f, h0 );
- v3_copy( rnb->co, p1 );
- v3_muladds( rnb->co, rnb->h, -1.0f, h1 );
-
- v3_muladds( p0, rna->right, xoffset, p0 );
- v3_muladds( h0, rna->right, xoffset, h0 );
- v3_muladds( p1, rnb->right, xoffset, p1 );
- v3_muladds( h1, rnb->right, xoffset, h1 );
-
- v3_copy( p0, l );
-
- for( int i=0; i<5; i++ )
- {
- float t = (float)(i+1)/5.0f;
- eval_bezier_time( p0, p1, h0, h1, t, p );
- vg_line( p, l, colour );
- v3_copy( p, l );
- }
-}
-
-/*
- * Get a list of node ids in stack, and return how many there is
- */
-VG_STATIC u32 world_routes_get_path( world_instance *world,
- u32 starter, u32 stack[64] )
-{
- u32 stack_i[64];
-
- stack[0] = starter;
- stack_i[0] = 0;
-
- u32 si = 1;
- int loop_complete = 0;
-
- while( si )
- {
- if( stack_i[si-1] == 2 )
- {
- si --;
- continue;
- }
-
- struct route_node *rn = &world->nodes[stack[si-1]];
- u32 nextid = rn->next[stack_i[si-1]];
- stack_i[si-1] ++;
-
- if( nextid != 0xffffffff )
- {
- if( nextid == stack[0] )
- {
- loop_complete = 1;
- break;
- }
-
- int valid = 1;
- for( int sj=0; sj<si; sj++ )
- {
- if( stack[sj] == nextid )
- {
- valid = 0;
- break;
- }
- }
-
- if( valid )
- {
- stack_i[si] = 0;
- stack[si] = nextid;
- si ++;
- continue;
- }
- }
- }
-
- if( loop_complete )
- return si;
-
- return 0;
-}
-
-/*
- * Free a segment from the UI bar to be reused later
- */
-VG_STATIC void world_routes_ui_popfirst( struct route_ui_bar *pui )
-{
- if( pui->segment_count )
- {
- pui->segment_start ++;
-
- if( pui->segment_start == 32 )
- pui->segment_start = 0;
-
- pui->segment_count --;
- }
-}
-
-/*
- * Reset ui bar completely
- */
-VG_STATIC void world_routes_ui_clear( struct route_ui_bar *pui )
-{
- pui->segment_start = (pui->segment_start + pui->segment_count) %
- k_max_ui_segments;
- pui->segment_count = 0;
-}
-
-/*
- * Break a index range into two pieces over the edge of the maximum it can
- * store. s1 is 0 always, so its a ring buffer.
- */
-VG_STATIC void world_routes_ui_split_indices( u32 s0, u32 count,
- u32 *c0, u32 *c1 )
-{
- *c0 = (VG_MIN( s0+count, k_route_ui_max_indices )) - s0;
- *c1 = count-(*c0);
-}
-
-/*
- * Place a set of indices into gpu array automatically splits
- * across bounds
- */
-VG_STATIC void world_routes_ui_set_indices( struct route_ui_bar *pui,
- u16 *indices, u32 count )
-{
- u32 c0, c1;
- world_routes_ui_split_indices( pui->indices_head, count, &c0, &c1 );
-
- glBindBuffer( GL_ELEMENT_ARRAY_BUFFER, pui->ebo );
-
- if( c0 )
- {
- glBufferSubData( GL_ELEMENT_ARRAY_BUFFER, pui->indices_head*sizeof(u16),
- c0*sizeof(u16), indices );
- }
-
- if( c1 )
- {
- glBufferSubData( GL_ELEMENT_ARRAY_BUFFER, 0, c1*sizeof(u16), indices+c0 );
- pui->indices_head = c1;
- }
- else
- pui->indices_head += c0;
-}
-
-/*
- * Place a set of vertices into gpu array
- */
-VG_STATIC u32 world_routes_ui_set_verts( struct route_ui_bar *pui,
- v2f *verts, u32 count )
-{
- if( pui->vertex_head + count >= k_route_ui_max_verts )
- pui->vertex_head = 0;
-
- u32 vert_start = pui->vertex_head;
- pui->vertex_head += count;
-
- glBindBuffer( GL_ARRAY_BUFFER, pui->vbo );
- glBufferSubData( GL_ARRAY_BUFFER, (GLintptr)(vert_start*sizeof(v2f)),
- sizeof(v2f)*count, verts );
-
- return vert_start;
-}
-
-/*
- * Update the last (count) vertices positions, does not add any.
- * Data must already be written to, and not cross either array boundaries.
- */
-VG_STATIC u32 world_routes_ui_update_verts( struct route_ui_bar *pui,
- v2f *verts, u32 count )
-{
- u32 vert_start = pui->vertex_head-count;
-
- glBindBuffer( GL_ARRAY_BUFFER, pui->vbo );
- glBufferSubData( GL_ARRAY_BUFFER, (GLintptr)(vert_start*sizeof(v2f)),
- sizeof(v2f)*count, verts );
-
- return vert_start;
-}
-
-/*
- * Current/active segment of this UI bar
- */
-VG_STATIC struct route_ui_segment *world_routes_ui_curseg(
- struct route_ui_bar *pui )
-{
- u32 index = (pui->segment_start+pui->segment_count-1)%k_max_ui_segments;
- return &pui->segments[ index ];
-}
-
-/*
- * Start a new segment in the UI bar, will create a split on the last one if
- * there is one active currently. (api)
- */
-VG_STATIC void world_routes_ui_newseg( u32 route )
-{
- struct route_ui_bar *pui = &world_global.ui_bars[route];
-
- glBindVertexArray( pui->vao );
- if( pui->segment_count )
- {
- float const k_gap_width = 1.0f;
-
- struct route_ui_segment *cseg = world_routes_ui_curseg( pui );
-
- v2f verts[2];
- verts[0][0] = cseg->length-k_gap_width;
- verts[0][1] = 0.5f;
- verts[1][0] = cseg->length-k_gap_width;
- verts[1][1] = -0.5f;
-
- world_routes_ui_update_verts( pui, verts, 2 );
- }
-
- pui->segment_count ++;
- struct route_ui_segment *segment = world_routes_ui_curseg( pui );
-
- v2f verts[4];
- verts[0][0] = 0.0f;
- verts[0][1] = 0.5f;
- verts[1][0] = 0.0f;
- verts[1][1] = -0.5f;
- verts[2][0] = 0.0f;
- verts[2][1] = 0.5f;
- verts[3][0] = 0.0f;
- verts[3][1] = -0.5f;
-
- u32 vert_start = world_routes_ui_set_verts( pui, verts, 4 );
-
- u16 indices[6];
- indices[0] = vert_start + 0;
- indices[1] = vert_start + 1;
- indices[2] = vert_start + 3;
- indices[3] = vert_start + 0;
- indices[4] = vert_start + 3;
- indices[5] = vert_start + 2;
-
- segment->vertex_start = vert_start;
- segment->vertex_count = 4;
- segment->index_start = pui->indices_head;
- segment->index_count = 6;
- segment->notches = 0;
-
- world_routes_ui_set_indices( pui, indices, 6 );
-}
-
-/*
- * Extend the end of the bar
- */
-VG_STATIC void world_routes_ui_updatetime( u32 route, float time )
-{
- struct route_ui_bar *pui = &world_global.ui_bars[route];
-
- v2f verts[2];
- verts[0][0] = time;
- verts[0][1] = 0.5f;
- verts[1][0] = time;
- verts[1][1] = -0.5f;
-
- u32 vert_start = pui->vertex_head-2;
-
- glBindVertexArray( pui->vao );
- world_routes_ui_update_verts( pui, verts, 2 );
-
- struct route_ui_segment *cseg = world_routes_ui_curseg( pui );
- cseg->length = time;
-}
-
-VG_STATIC void world_routes_ui_draw_segment( struct route_ui_segment *segment )
-{
- u32 c0, c1;
- world_routes_ui_split_indices( segment->index_start,
- segment->index_count, &c0, &c1 );
- if( c0 )
- glDrawElements( GL_TRIANGLES, c0, GL_UNSIGNED_SHORT,
- (void *)(segment->index_start*sizeof(u16)));
- if( c1 )
- glDrawElements( GL_TRIANGLES, c1, GL_UNSIGNED_SHORT, (void *)(0) );
-}
-
-/*
- * Draws full bar at Y offset(offset).
- */
-VG_STATIC void world_routes_ui_draw( world_instance *world,
- u32 route, v4f colour, float offset )
-{
- float const k_bar_height = 0.05f,
- k_bar_scale_x = 0.005f;
-
- /* FIXME(10) ID mishmatch */
- struct route *pr = &world->routes[route];
- struct route_ui_bar *pui = &world_global.ui_bars[route];
-
- float cx = pui->xpos;
-
- shader_routeui_use();
- glBindVertexArray( pui->vao );
-
- float fade_amt = world_global.time - pui->fade_timer_start;
- fade_amt = vg_clampf( fade_amt / 1.0f, 0.0f, 1.0f );
-
- float fade_block_size = 0.0f,
- main_block_size = 0.0f;
-
- for( u32 i=0; i<pui->fade_count; i++ )
- {
- u32 j = (pui->fade_start + i) % k_max_ui_segments;
- struct route_ui_segment *segment = &pui->segments[j];
-
- fade_block_size += segment->length;
- }
-
- cx -= fade_block_size * fade_amt;
-
- v4f fade_colour;
- v4_copy( colour, fade_colour );
- fade_colour[3] *= 1.0f-fade_amt;
-
- /* 1 minute timer */
- float timer_delta = (world_global.time - world_global.last_use) * (1.0/45.0),
- timer_scale = 1.0f - vg_minf( timer_delta, 1.0f );
-
- /*
- * Draw fadeout bar
- */
-
- float height = pr->factive*k_bar_height * timer_scale,
- base = -1.0f + (offset+0.5f)*k_bar_height * timer_scale;
-
- shader_routeui_uColour( fade_colour );
- for( u32 i=0; i<pui->fade_count; i++ )
- {
- u32 j = (pui->fade_start + i) % k_max_ui_segments;
- struct route_ui_segment *segment = &pui->segments[j];
-
- shader_routeui_uOffset( (v4f){ cx*k_bar_scale_x, base,
- k_bar_scale_x, height } );
-
- world_routes_ui_draw_segment( segment );
- cx += segment->length;
- }
-
- /*
- * Draw main bar
- */
- shader_routeui_uColour( colour );
- for( u32 i=0; i<pui->segment_count; i++ )
- {
- u32 j = (pui->segment_start + i) % k_max_ui_segments;
- struct route_ui_segment *segment = &pui->segments[j];
-
- shader_routeui_uOffset( (v4f){ cx*k_bar_scale_x, base,
- k_bar_scale_x, height } );
-
- world_routes_ui_draw_segment( segment );
- cx += segment->length;
-
- main_block_size += segment->length;
- }
-
- pui->xpos = vg_lerpf( pui->xpos, -main_block_size * 0.5f, 0.03f );
-}
-
-VG_STATIC void world_routes_local_set_record( world_instance *world,
- u32 route, double lap_time )