Commit

Theria

feat: draw the arena map and entities in the client

ajhahnde · Jun 2026 · e58ce53935e7438b81334ce9f52de5e0d183964f · parent: 76f2839 · view on GitHub →

modified scenes/main.tscn

 @@ -6,3 +6,4 @@ 
   script = ExtResource("1_main") 
    
   [node name="Camera2D" type="Camera2D" parent="."] 
 + zoom = Vector2(0.16, 0.16) 

modified src/client/main.gd

 @@ -4,30 +4,40 @@ extends Node2D 
   ## It owns a SimCore and advances it one tick per physics frame (physics is 
   ## pinned to the simulation's 60 Hz in project.godot). All authority lives in 
   ## the simulation; this layer only samples local input, asks the bot for its 
 - ## command, and draws the resulting state. Swapping this for a networked driver 
 - ## later does not touch the simulation. 
 + ## command, and draws the resulting state — the static map geometry plus the 
 + ## live entities. Swapping this for a networked driver later does not touch the 
 + ## simulation. 
    
   const HERO_SPEED := 320.0 
   const BOT_SPEED := 300.0 
   const HERO_TEAM := 0 
   const BOT_TEAM := 1 
 - const MARKER_SIZE := Vector2(28.0, 28.0) 
 +  
   const HERO_COLOR := Color(0.36, 0.66, 1.0) 
   const BOT_COLOR := Color(1.0, 0.42, 0.38) 
 + const ENTITY_RADIUS := 44.0 
 +  
 + ## Map debug-draw styling. World-unit sizes, tuned to read at the camera's 
 + ## zoomed-out framing of the whole arena. 
 + const FIELD_COLOR := Color(0.114, 0.125, 0.145) 
 + const BOUNDS_COLOR := Color(0.3, 0.32, 0.36) 
 + const BOUNDS_WIDTH := 8.0 
 + const LANE_COLOR := Color(0.5, 0.5, 0.55, 0.7) 
 + const LANE_WIDTH := 28.0 
 + const CAMP_COLOR := Color(0.45, 0.7, 0.45) 
 + const CAMP_RADIUS := 60.0 
 + const NEXUS_SIZE := Vector2(140.0, 140.0) 
    
   var _sim := SimCore.new() 
   var _bot := BotController.new() 
   var _hero_id: int = 0 
   var _bot_id: int = 0 
 - var _markers: Dictionary = {} 
    
    
   func _ready() -> void: 
   	_hero_id = _sim.add_entity(HERO_TEAM, MapData.spawn_for_team(HERO_TEAM), HERO_SPEED) 
   	_bot_id = _sim.add_entity(BOT_TEAM, MapData.spawn_for_team(BOT_TEAM), BOT_SPEED) 
 - 	_markers[_hero_id] = _make_marker(HERO_COLOR) 
 - 	_markers[_bot_id] = _make_marker(BOT_COLOR) 
 - 	_sync_markers() 
 + 	queue_redraw() 
    
    
   func _physics_process(_delta: float) -> void: 
 @@ -36,7 +46,35 @@ func _physics_process(_delta: float) -> void: 
   		_bot_id: _bot.decide(_sim.state, _bot_id), 
   	} 
   	_sim.step(inputs) 
 - 	_sync_markers() 
 + 	queue_redraw() 
 +  
 +  
 + func _draw() -> void: 
 + 	_draw_map() 
 + 	_draw_entities() 
 +  
 +  
 + func _draw_map() -> void: 
 + 	draw_rect(MapData.BOUNDS, FIELD_COLOR, true) 
 + 	draw_rect(MapData.BOUNDS, BOUNDS_COLOR, false, BOUNDS_WIDTH) 
 + 	for lane in MapData.lane_count(): 
 + 		draw_polyline(MapData.lane_path(lane, HERO_TEAM), LANE_COLOR, LANE_WIDTH) 
 + 	for camp in MapData.JUNGLE_CAMPS: 
 + 		draw_circle(camp, CAMP_RADIUS, CAMP_COLOR) 
 + 	for team in MapData.NEXUS_POSITIONS.size(): 
 + 		var centre := MapData.nexus_for_team(team) 
 + 		var rect := Rect2(centre - NEXUS_SIZE * 0.5, NEXUS_SIZE) 
 + 		draw_rect(rect, _team_color(team), true) 
 +  
 +  
 + func _draw_entities() -> void: 
 + 	for id in _sim.state.entities: 
 + 		var entity: SimEntity = _sim.state.entities[id] 
 + 		draw_circle(entity.position, ENTITY_RADIUS, _team_color(entity.team)) 
 +  
 +  
 + func _team_color(team: int) -> Color: 
 + 	return HERO_COLOR if team == HERO_TEAM else BOT_COLOR 
    
    
   func _sample_player_input() -> InputCommand: 
 @@ -52,18 +90,3 @@ func _sample_player_input() -> InputCommand: 
   		dir.x += 1.0 
   	command.move_dir = dir 
   	return command 
 -  
 -  
 - func _make_marker(color: Color) -> ColorRect: 
 - 	var rect := ColorRect.new() 
 - 	rect.color = color 
 - 	rect.size = MARKER_SIZE 
 - 	add_child(rect) 
 - 	return rect 
 -  
 -  
 - func _sync_markers() -> void: 
 - 	for id in _markers: 
 - 		var entity: SimEntity = _sim.state.get_entity(id) 
 - 		var marker: ColorRect = _markers[id] 
 - 		marker.position = entity.position - MARKER_SIZE * 0.5 