qangle and vector definitions

ent/float.go

@@ -1,7 +1,7 @@
 package ent
 
 import (
-	"fmt"
+	"math"
 
 	"github.com/jordanorelli/hyperstone/bit"
 	"github.com/jordanorelli/hyperstone/dota"
@@ -13,10 +13,25 @@ const (
 	f_center
 )
 
-func qFloatType(flat *dota.ProtoFlattenedSerializerFieldT, env *Env) tÿpe {
-	if env.symbol(int(flat.GetVarTypeSym())) != "CNetworkedQuantizedFloat" {
+func floatType(flat *dota.ProtoFlattenedSerializerFieldT, env *Env) tÿpe {
+	if env.symbol(int(flat.GetVarTypeSym())) == "CNetworkedQuantizedFloat" {
+		return qFloatType(flat, env)
+	}
+	if env.symbol(int(flat.GetVarEncoderSym())) == "coord" {
+		return nil
+	}
+	if env.symbol(int(flat.GetFieldSerializerNameSym())) == "simulationtime" {
+		return nil
+	}
+	switch flat.GetBitCount() {
+	case 0, 32:
+		return typeFn(float_t)
+	default:
 		return nil
 	}
+}
+
+func qFloatType(flat *dota.ProtoFlattenedSerializerFieldT, env *Env) tÿpe {
 	if flat.GetBitCount() < 0 {
 		return typeError("quantized float has invalid negative bit count specifier")
 	}
@@ -63,5 +78,10 @@ func (t qfloat_t) read(r bit.Reader) (value, error) {
 	if t.special != nil && bit.ReadBool(r) {
 		return *t.special, nil
 	}
-	return nil, fmt.Errorf("I'll get there")
+	return t.low + float32(r.ReadBits(t.bits))*t.interval, r.Err()
+}
+
+func float_t(r bit.Reader) (value, error) {
+	// TODO: check uint32 overflow here?
+	return math.Float32frombits(uint32(r.ReadBits(32))), r.Err()
 }

ent/handle.go

@@ -5,19 +5,16 @@ import (
 	"github.com/jordanorelli/hyperstone/dota"
 )
 
-func handleType(flat *dota.ProtoFlattenedSerializerFieldT, env *Env) tÿpe {
-	if env.symbol(int(flat.GetVarTypeSym())) != "CGameSceneNodeHandle" {
-		return nil
-	}
-	return handle_t{}
-}
-
 // a handle represents a soft pointer to an entity. handles are represented by
 // IDs and can cross the client-server divide.
 type handle int
 
-type handle_t struct{}
+func handleType(flat *dota.ProtoFlattenedSerializerFieldT, env *Env) tÿpe {
+	if env.symbol(int(flat.GetVarTypeSym())) != "CGameSceneNodeHandle" {
+		return nil
+	}
 
-func (t handle_t) read(r bit.Reader) (value, error) {
-	return handle(bit.ReadVarInt(r)), nil
+	return typeFn(func(r bit.Reader) (value, error) {
+		return handle(bit.ReadVarInt(r)), r.Err()
+	})
 }

ent/qangle.go

@@ -0,0 +1,33 @@
+package ent
+
+import (
+	"github.com/jordanorelli/hyperstone/bit"
+	"github.com/jordanorelli/hyperstone/dota"
+)
+
+func qAngleType(flat *dota.ProtoFlattenedSerializerFieldT, env *Env) tÿpe {
+	if env.symbol(int(flat.GetVarTypeSym())) != "QAngle" {
+		return nil
+	}
+	switch flat.GetBitCount() {
+	case 0:
+		return typeFn(func(r bit.Reader) (value, error) {
+			x, y, z := bit.ReadBool(r), bit.ReadBool(r), bit.ReadBool(r)
+			var v vector
+			if x {
+				v.x = bit.ReadCoord(r)
+			}
+			if y {
+				v.y = bit.ReadCoord(r)
+			}
+			if z {
+				v.z = bit.ReadCoord(r)
+			}
+			return v, nil
+		})
+	case 32:
+		return nil
+	default:
+		return nil
+	}
+}

ent/type.go

@@ -26,7 +26,7 @@ func parseType(flat *dota.ProtoFlattenedSerializerFieldT, env *Env) tÿpe {
 		}
 		return nil
 	}
-	return coalesce(atomType, qFloatType, handleType)
+	return coalesce(atomType, floatType, handleType, qAngleType)
 }
 
 // a type error is both an error and a type. It represents a type that we were

ent/vector.go

@@ -0,0 +1,3 @@
+package ent
+
+type vector struct{ x, y, z float32 }