- return vert_start;
-}
-
-/*
- * Current/active segment of this UI bar
- */
-static struct route_ui_segment *world_routes_ui_curseg( struct route *pr )
-{
- u32 index = (pr->ui.segment_start+pr->ui.segment_count-1)%k_max_ui_segments;
- return &pr->ui.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)
- */
-static void world_routes_ui_newseg( u32 route )
-{
- struct subworld_routes *r = &world.routes;
- struct route *pr = &r->routes[route];
-
- pr->ui.last_notch = 0.0;
-
- glBindVertexArray( pr->ui.vao );
- if( pr->ui.segment_count )
- {
- float const k_gap_width = 1.0f;
-
- struct route_ui_segment *cseg = world_routes_ui_curseg(pr);
-
- 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( pr, verts, 2 );
- }
-
- pr->ui.segment_count ++;
- struct route_ui_segment *segment = world_routes_ui_curseg(pr);
-
- 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( pr, 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 = pr->ui.indices_head;
- segment->index_count = 6;
- segment->notches = 0;
-
- world_routes_ui_set_indices( pr, indices, 6 );
-}
-
-/*
- * Extend the end of the bar
- */
-static void world_routes_ui_updatetime( u32 route, float time )
-{
- struct subworld_routes *r = &world.routes;
- struct route *pr = &r->routes[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 = pr->ui.vertex_head-2;
-
- glBindVertexArray( pr->ui.vao );
- world_routes_ui_update_verts( pr, verts, 2 );
-
- struct route_ui_segment *cseg = world_routes_ui_curseg(pr);
- cseg->length = time;
-}
-
-/*
- * Create a notch in the bar, used when a reset is triggered by the user
- */
-static void world_routes_ui_notch( u32 route, float time )
-{
- struct subworld_routes *r = &world.routes;
- struct route *pr = &r->routes[route];
-
- if( (time - pr->ui.last_notch) > 1.0 )
- {
- struct route_ui_segment *segment = world_routes_ui_curseg(pr);
- if( segment->notches == k_max_ui_splits_per_segment )
- return;
-
- segment->notches ++;
-
- v2f verts[8];
-
- float const k_notch_width = 1.0f;
-
- float xa = time-k_notch_width,
- xb = time-k_notch_width * 0.5f,
- xc = time;
-
- verts[0][0] = xa;
- verts[0][1] = 0.5f;
- verts[1][0] = xa;
- verts[1][1] = -0.5f;
-
- verts[2][0] = xb;
- verts[2][1] = 0.25f;
- verts[3][0] = xb;
- verts[3][1] = -0.25f;
-
- verts[4][0] = xc;
- verts[4][1] = 0.5f;
- verts[5][0] = xc;
- verts[5][1] = -0.5f;
-
- verts[6][0] = xc;
- verts[6][1] = 0.5f;
- verts[7][0] = xc;
- verts[7][1] = -0.5f;
-
- glBindVertexArray( pr->ui.vao );
- u32 vert_start_mod = world_routes_ui_update_verts( pr, verts, 2 ),
- vert_start_new = world_routes_ui_set_verts( pr, verts+2, 6 );
-
- u16 indices[18];
- indices[ 0] = vert_start_mod+1;
- indices[ 1] = vert_start_new+0;
- indices[ 2] = vert_start_mod+0;
- indices[ 3] = vert_start_mod+1;
- indices[ 4] = vert_start_new+1;
- indices[ 5] = vert_start_new+0;
-
- indices[ 6] = vert_start_new+0;
- indices[ 7] = vert_start_new+1;
- indices[ 8] = vert_start_new+3;
- indices[ 9] = vert_start_new+0;
- indices[10] = vert_start_new+3;
- indices[11] = vert_start_new+2;
-
- indices[12] = vert_start_new+3;
- indices[13] = vert_start_new+4;
- indices[14] = vert_start_new+2;
- indices[15] = vert_start_new+3;
- indices[16] = vert_start_new+5;
- indices[17] = vert_start_new+4;
-
- world_routes_ui_set_indices( pr, indices, 18 );
-
- pr->ui.last_notch = time;
-
- segment->vertex_count += 6;
- segment->index_count += 18;
- }
-}
-
-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).
- */
-static void world_routes_ui_draw( u32 route, v4f colour, float offset )
-{
- float const k_bar_height = 0.05f,
- k_bar_scale_x = 0.005f;
-
- struct subworld_routes *r = &world.routes;
- struct route *pr = &r->routes[route];
-
- float cx = pr->ui.xpos;
-
- shader_routeui_use();
- glBindVertexArray( pr->ui.vao );
-
- float fade_amt = vg.time - pr->ui.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<pr->ui.fade_count; i++ )
- {
- u32 j = (pr->ui.fade_start + i) % k_max_ui_segments;
- struct route_ui_segment *segment = &pr->ui.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 = (vg.time - world.routes.last_interaction) * (1.0/60.0),
- 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<pr->ui.fade_count; i++ )
- {
- u32 j = (pr->ui.fade_start + i) % k_max_ui_segments;
- struct route_ui_segment *segment = &pr->ui.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<pr->ui.segment_count; i++ )
- {
- u32 j = (pr->ui.segment_start + i) % k_max_ui_segments;
- struct route_ui_segment *segment = &pr->ui.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;
- }