Session::debug_raycast_print_model_id_if_changed

engine/physics/src/physics.rs

@@ -1,4 +1,5 @@
 use std::collections::{HashMap,HashSet};
+use crate::model::DirectedEdge;
 use crate::model::{self as model_physics,PhysicsMesh,PhysicsMeshTransform,TransformedMesh,MeshQuery,PhysicsMeshId,PhysicsSubmeshId};
 use strafesnet_common::bvh;
 use strafesnet_common::map;
@@ -280,7 +281,8 @@ impl PhysicsCamera{
 		.clamp(Self::ANGLE_PITCH_LOWER_LIMIT,Self::ANGLE_PITCH_UPPER_LIMIT);
 		mat3::from_rotation_yx(ax,ay)
 	}
-	fn rotation(&self)->Planar64Mat3{
+	#[inline]
+	pub fn rotation(&self)->Planar64Mat3{
 		self.get_rotation(self.clamped_mouse_pos)
 	}
 	fn simulate_move_rotation(&self,mouse_delta:glam::IVec2)->Planar64Mat3{
@@ -980,6 +982,34 @@ impl PhysicsContext<'_>{
 	}
 }
 impl PhysicsData{
+	pub fn trace_ray(&self,ray:strafesnet_common::ray::Ray)->Option<ModelId>{
+		let (_time,convex_mesh_id)=self.bvh.sample_ray(&ray,Time::ZERO,Time::MAX/4,|&model,ray|{
+			let mesh=self.models.mesh(model);
+			// brute force trace every face
+			mesh.faces().filter_map(|face_id|{
+				let (n,d)=mesh.face_nd(face_id);
+				// trace ray onto face
+				// n.(o+d*t)==n.p
+				// n.o + n.d * t == n.p
+				// t == (n.p - n.o)/n.d
+				let nd=n.dot(ray.direction);
+				if nd.is_zero(){
+					return None;
+				}
+				let t=(d-n.dot(ray.origin))/nd;
+				// check if point of intersection is behind face edges
+				// *2 because average of 2 vertices
+				let p=ray.extrapolate(t)*2;
+				mesh.face_edges(face_id).iter().all(|&directed_edge_id|{
+					let edge_n=mesh.directed_edge_n(directed_edge_id);
+					let cross_n=edge_n.cross(n);
+					let &[vert0,vert1]=mesh.edge_verts(directed_edge_id.as_undirected()).as_ref();
+					cross_n.dot(p)<cross_n.dot(mesh.vert(vert0)+mesh.vert(vert1))
+				}).then(||t)
+			}).min().map(Into::into)
+		})?;
+		Some(convex_mesh_id.model_id.into())
+	}
 	/// use with caution, this is the only non-instruction way to mess with physics
 	pub fn generate_models(&mut self,map:&map::CompleteMap){
 		let mut modes=map.modes.clone().denormalize();
@@ -1811,14 +1841,18 @@ fn atomic_input_instruction(state:&mut PhysicsState,data:&PhysicsData,ins:TimedI
 		},
 		Instruction::Mode(ModeInstruction::Restart(mode_id))=>{
 			//teleport to mode start zone
+			let mut spawn_point=vec3::ZERO;
 			let mode=data.modes.get_mode(mode_id);
-			let spawn_point=mode.and_then(|mode|
+			if let Some(mode)=mode{
+				// set style
+				state.style=mode.get_style().clone();
 				//TODO: spawn at the bottom of the start zone plus the hitbox size
-				//TODO: set camera andles to face the same way as the start zone
-				data.models.get_model_transform(mode.get_start().into()).map(|transform|
-					transform.vertex.translation
-				)
-			).unwrap_or(vec3::ZERO);
+				//TODO: set camera angles to face the same way as the start zone
+				if let Some(transform)=data.models.get_model_transform(mode.get_start()){
+					// NOTE: this value may be 0,0,0 on source maps
+					spawn_point=transform.vertex.translation;
+				}
+			}
 			set_position(spawn_point,&mut state.move_state,&mut state.body,&mut state.touching,&mut state.run,&mut state.mode_state,mode,&data.models,&data.hitbox_mesh,&data.bvh,&state.style,&state.camera,&state.input_state,state.time);
 			set_velocity(&mut state.body,&state.touching,&data.models,&data.hitbox_mesh,vec3::ZERO);
 			state.set_move_state(data,MoveState::Air);
@@ -1828,6 +1862,9 @@ fn atomic_input_instruction(state:&mut PhysicsState,data:&PhysicsData,ins:TimedI
 		Instruction::Mode(ModeInstruction::Spawn(mode_id,stage_id))=>{
 			//spawn at a particular stage
 			if let Some(mode)=data.modes.get_mode(mode_id){
+				// set style
+				state.style=mode.get_style().clone();
+				// teleport to stage in mode
 				if let Some(stage)=mode.get_stage(stage_id){
 					let _=teleport_to_spawn(
 						stage.spawn(),

engine/session/src/session.rs

@@ -161,6 +161,7 @@ pub struct Session{
 	recording:Recording,
 	//players:HashMap<PlayerId,Simulation>,
 	replays:HashMap<BotId,Replay>,
+	last_ray_hit:Option<strafesnet_common::model::ModelId>,
 }
 impl Session{
 	pub fn new(
@@ -177,6 +178,7 @@ impl Session{
 			view_state:ViewState::Play,
 			recording:Default::default(),
 			replays:HashMap::new(),
+			last_ray_hit:None,
 		}
 	}
 	fn clear_recording(&mut self){
@@ -194,6 +196,19 @@ impl Session{
 			),
 		}
 	}
+	pub fn debug_raycast_print_model_id_if_changed(&mut self,time:SessionTime){
+		if let Some(frame_state)=self.get_frame_state(time){
+			let ray=strafesnet_common::ray::Ray{
+				origin:frame_state.body.extrapolated_position(self.simulation.timer.time(time)),
+				direction:-frame_state.camera.rotation().z_axis,
+			};
+			let model_id=self.geometry_shared.trace_ray(ray);
+			if model_id!=self.last_ray_hit{
+				println!("hit={model_id:?}");
+				self.last_ray_hit=model_id;
+			}
+		}
+	}
 	pub fn user_settings(&self)->&UserSettings{
 		&self.user_settings
 	}

integration-testing/src/main.rs

@@ -1,5 +1,5 @@
 
-use std::io::{Cursor,Read};
+use std::io::Cursor;
 use std::path::Path;
 use std::time::Instant;
 
@@ -39,9 +39,7 @@ impl From<strafesnet_snf::bot::Error> for ReplayError{
 }
 
 fn read_entire_file(path:impl AsRef<Path>)->Result<Cursor<Vec<u8>>,std::io::Error>{
-	let mut file=std::fs::File::open(path)?;
-	let mut data=Vec::new();
-	file.read_to_end(&mut data)?;
+	let data=std::fs::read(path)?;
 	Ok(Cursor::new(data))
 }
 

lib/bsp_loader/src/bsp.rs

@@ -2,7 +2,7 @@ use std::borrow::Cow;
 
 use vbsp_entities_css::Entity;
 
-use strafesnet_common::{map,model,integer,gameplay_attributes};
+use strafesnet_common::{map,model,integer,gameplay_attributes as attr};
 use strafesnet_deferred_loader::deferred_loader::{MeshDeferredLoader,RenderConfigDeferredLoader};
 use strafesnet_deferred_loader::mesh::Meshes;
 use strafesnet_deferred_loader::texture::{RenderConfigs,Texture};
@@ -42,7 +42,7 @@ fn add_brush<'a>(
 	model:&'a str,
 	origin:vbsp::Vector,
 	rendercolor:vbsp::Color,
-	attributes:gameplay_attributes::CollisionAttributesId,
+	attributes:attr::CollisionAttributesId,
 ){
 	let transform=integer::Planar64Affine3::from_translation(
 		valve_transform(origin.into())
@@ -83,13 +83,40 @@ pub fn convert<'a>(
 )->PartialMap1{
 	let bsp=bsp.as_ref();
 	//figure out real attributes later
-	let mut unique_attributes=Vec::new();
-	unique_attributes.push(gameplay_attributes::CollisionAttributes::Decoration);
-	unique_attributes.push(gameplay_attributes::CollisionAttributes::contact_default());
-	unique_attributes.push(gameplay_attributes::CollisionAttributes::intersect_default());
-	const ATTRIBUTE_DECORATION:gameplay_attributes::CollisionAttributesId=gameplay_attributes::CollisionAttributesId::new(0);
-	const ATTRIBUTE_CONTACT_DEFAULT:gameplay_attributes::CollisionAttributesId=gameplay_attributes::CollisionAttributesId::new(1);
-	const ATTRIBUTE_INTERSECT_DEFAULT:gameplay_attributes::CollisionAttributesId=gameplay_attributes::CollisionAttributesId::new(2);
+	let unique_attributes=vec![
+		attr::CollisionAttributes::Decoration,
+		attr::CollisionAttributes::contact_default(),
+		attr::CollisionAttributes::intersect_default(),
+		// ladder
+		attr::CollisionAttributes::Contact(
+			attr::ContactAttributes{
+				contacting:attr::ContactingAttributes{
+					contact_behaviour:Some(attr::ContactingBehaviour::Ladder(
+						attr::ContactingLadder{sticky:true}
+					))
+				},
+				general:attr::GeneralAttributes::default(),
+			}
+		),
+		// water
+		attr::CollisionAttributes::Intersect(
+			attr::IntersectAttributes{
+				intersecting:attr::IntersectingAttributes{
+					water:Some(attr::IntersectingWater{
+						viscosity:integer::Planar64::ONE,
+						density:integer::Planar64::ONE,
+						velocity:integer::vec3::ZERO,
+					}),
+				},
+				general:attr::GeneralAttributes::default(),
+			}
+		),
+	];
+	const ATTRIBUTE_DECORATION:attr::CollisionAttributesId=attr::CollisionAttributesId::new(0);
+	const ATTRIBUTE_CONTACT_DEFAULT:attr::CollisionAttributesId=attr::CollisionAttributesId::new(1);
+	const ATTRIBUTE_INTERSECT_DEFAULT:attr::CollisionAttributesId=attr::CollisionAttributesId::new(2);
+	const ATTRIBUTE_LADDER_DEFAULT:attr::CollisionAttributesId=attr::CollisionAttributesId::new(3);
+	const ATTRIBUTE_WATER_DEFAULT:attr::CollisionAttributesId=attr::CollisionAttributesId::new(4);
 
 	//declare all prop models to Loader
 	let mut prop_models=bsp.static_props().map(|prop|{
@@ -237,9 +264,27 @@ pub fn convert<'a>(
 
 	// physics models
 	for brush in &bsp.brushes{
-		if !brush.flags.contains(vbsp::BrushFlags::SOLID){
+		const RELEVANT:vbsp::BrushFlags=
+			vbsp::BrushFlags::SOLID
+			.union(vbsp::BrushFlags::PLAYERCLIP)
+			.union(vbsp::BrushFlags::WATER)
+			.union(vbsp::BrushFlags::MOVEABLE)
+			.union(vbsp::BrushFlags::LADDER);
+		if !brush.flags.intersects(RELEVANT){
 			continue;
 		}
+		let is_ladder=brush.flags.contains(vbsp::BrushFlags::LADDER);
+		let is_water=brush.flags.contains(vbsp::BrushFlags::WATER);
+		let attributes=match (is_ladder,is_water){
+			(true,false)=>ATTRIBUTE_LADDER_DEFAULT,
+			(false,true)=>ATTRIBUTE_WATER_DEFAULT,
+			(false,false)=>ATTRIBUTE_CONTACT_DEFAULT,
+			(true,true)=>{
+				// water ladder? wtf
+				println!("brush is a water ladder o_o defaulting to ladder");
+				ATTRIBUTE_LADDER_DEFAULT
+			}
+		};
 		let mesh_result=crate::brush::brush_to_mesh(bsp,brush);
 		match mesh_result{
 			Ok(mesh)=>{
@@ -247,7 +292,7 @@ pub fn convert<'a>(
 				world_meshes.push(mesh);
 				world_models.push(model::Model{
 					mesh:mesh_id,
-					attributes:ATTRIBUTE_CONTACT_DEFAULT,
+					attributes,
 					transform:integer::Planar64Affine3::new(
 						integer::mat3::identity(),
 						integer::vec3::ZERO,
@@ -295,7 +340,7 @@ pub fn convert<'a>(
 
 //partially constructed map types
 pub struct PartialMap1{
-	attributes:Vec<strafesnet_common::gameplay_attributes::CollisionAttributes>,
+	attributes:Vec<attr::CollisionAttributes>,
 	prop_models:Vec<model::Model>,
 	world_meshes:Vec<model::Mesh>,
 	world_models:Vec<model::Model>,
@@ -317,7 +362,7 @@ impl PartialMap1{
 	}
 }
 pub struct PartialMap2{
-	attributes:Vec<strafesnet_common::gameplay_attributes::CollisionAttributes>,
+	attributes:Vec<attr::CollisionAttributes>,
 	prop_meshes:Vec<(model::MeshId,model::Mesh)>,
 	prop_models:Vec<model::Model>,
 	world_meshes:Vec<model::Mesh>,

lib/common/src/gameplay_style.rs

@@ -529,12 +529,12 @@ impl StyleModifiers{
 
 	pub fn source_bhop()->Self{
 		Self{
-			controls_mask:Controls::all()-Controls::MoveUp-Controls::MoveDown,
+			controls_mask:Controls::all(),
 			controls_mask_state:Controls::all(),
 			strafe:Some(StrafeSettings{
 				enable:ControlsActivation::full_2d(),
-				air_accel_limit:Some(Planar64::raw(150<<28)*100),
-				mv:(Planar64::raw(30)*VALVE_SCALE).fix_1(),
+				air_accel_limit:Some(Planar64::raw((150<<28)*100)),
+				mv:Planar64::raw(30<<28),
 				tick_rate:Ratio64::new(100,AbsoluteTime::ONE_SECOND.get() as u64).unwrap(),
 			}),
 			jump:Some(JumpSettings{
@@ -570,12 +570,12 @@ impl StyleModifiers{
 	}
 	pub fn source_surf()->Self{
 		Self{
-			controls_mask:Controls::all()-Controls::MoveUp-Controls::MoveDown,
+			controls_mask:Controls::all(),
 			controls_mask_state:Controls::all(),
 			strafe:Some(StrafeSettings{
 				enable:ControlsActivation::full_2d(),
 				air_accel_limit:Some((int(150)*66*VALVE_SCALE).fix_1()),
-				mv:(int(30)*VALVE_SCALE).fix_1(),
+				mv:Planar64::raw(30<<28),
 				tick_rate:Ratio64::new(66,AbsoluteTime::ONE_SECOND.get() as u64).unwrap(),
 			}),
 			jump:Some(JumpSettings{

strafe-client/src/physics_worker.rs

@@ -77,5 +77,8 @@ pub fn new<'a>(
 				run_session_instruction!(ins.time,SessionInstruction::LoadReplay(bot));
 			}
 		}
+
+		//whatever just do it
+		session.debug_raycast_print_model_id_if_changed(ins.time);
 	})
 }