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authorbunnei <bunneidev@gmail.com>2017-01-07 18:39:20 +0100
committerGitHub <noreply@github.com>2017-01-07 18:39:20 +0100
commit7cfe3ef0463ace034b1e5786c9581cfa5f2e810c (patch)
tree6b06cb03d276b29070ca29599fc4c5fcf77edb39 /src/common
parentMerge pull request #2410 from Subv/sleepthread (diff)
parentFrontend: make motion sensor interfaced thread-safe (diff)
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Diffstat (limited to 'src/common')
-rw-r--r--src/common/CMakeLists.txt1
-rw-r--r--src/common/math_util.h2
-rw-r--r--src/common/quaternion.h44
-rw-r--r--src/common/thread.h10
-rw-r--r--src/common/vector_math.h19
5 files changed, 76 insertions, 0 deletions
diff --git a/src/common/CMakeLists.txt b/src/common/CMakeLists.txt
index 5aecf6e6e..a7a4a688c 100644
--- a/src/common/CMakeLists.txt
+++ b/src/common/CMakeLists.txt
@@ -46,6 +46,7 @@ set(HEADERS
microprofileui.h
platform.h
profiler_reporting.h
+ quaternion.h
scm_rev.h
scope_exit.h
string_util.h
diff --git a/src/common/math_util.h b/src/common/math_util.h
index cdeaeb733..45a1ed367 100644
--- a/src/common/math_util.h
+++ b/src/common/math_util.h
@@ -10,6 +10,8 @@
namespace MathUtil {
+static constexpr float PI = 3.14159265f;
+
inline bool IntervalsIntersect(unsigned start0, unsigned length0, unsigned start1,
unsigned length1) {
return (std::max(start0, start1) < std::min(start0 + length0, start1 + length1));
diff --git a/src/common/quaternion.h b/src/common/quaternion.h
new file mode 100644
index 000000000..84ac82ed3
--- /dev/null
+++ b/src/common/quaternion.h
@@ -0,0 +1,44 @@
+// Copyright 2016 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "common/vector_math.h"
+
+namespace Math {
+
+template <typename T>
+class Quaternion {
+public:
+ Math::Vec3<T> xyz;
+ T w;
+
+ Quaternion<decltype(-T{})> Inverse() const {
+ return {-xyz, w};
+ }
+
+ Quaternion<decltype(T{} + T{})> operator+(const Quaternion& other) const {
+ return {xyz + other.xyz, w + other.w};
+ }
+
+ Quaternion<decltype(T{} - T{})> operator-(const Quaternion& other) const {
+ return {xyz - other.xyz, w - other.w};
+ }
+
+ Quaternion<decltype(T{} * T{} - T{} * T{})> operator*(const Quaternion& other) const {
+ return {xyz * other.w + other.xyz * w + Cross(xyz, other.xyz),
+ w * other.w - Dot(xyz, other.xyz)};
+ }
+};
+
+template <typename T>
+auto QuaternionRotate(const Quaternion<T>& q, const Math::Vec3<T>& v) {
+ return v + 2 * Cross(q.xyz, Cross(q.xyz, v) + v * q.w);
+}
+
+inline Quaternion<float> MakeQuaternion(const Math::Vec3<float>& axis, float angle) {
+ return {axis * std::sin(angle / 2), std::cos(angle / 2)};
+}
+
+} // namspace Math
diff --git a/src/common/thread.h b/src/common/thread.h
index 9c08be7e3..fa475ab51 100644
--- a/src/common/thread.h
+++ b/src/common/thread.h
@@ -4,6 +4,7 @@
#pragma once
+#include <chrono>
#include <condition_variable>
#include <cstddef>
#include <mutex>
@@ -54,6 +55,15 @@ public:
is_set = false;
}
+ template <class Clock, class Duration>
+ bool WaitUntil(const std::chrono::time_point<Clock, Duration>& time) {
+ std::unique_lock<std::mutex> lk(mutex);
+ if (!condvar.wait_until(lk, time, [this] { return is_set; }))
+ return false;
+ is_set = false;
+ return true;
+ }
+
void Reset() {
std::unique_lock<std::mutex> lk(mutex);
// no other action required, since wait loops on the predicate and any lingering signal will
diff --git a/src/common/vector_math.h b/src/common/vector_math.h
index a57d86d88..7ca8e15f5 100644
--- a/src/common/vector_math.h
+++ b/src/common/vector_math.h
@@ -186,6 +186,18 @@ Vec2<T> operator*(const V& f, const Vec2<T>& vec) {
typedef Vec2<float> Vec2f;
+template <>
+inline float Vec2<float>::Length() const {
+ return std::sqrt(x * x + y * y);
+}
+
+template <>
+inline float Vec2<float>::Normalize() {
+ float length = Length();
+ *this /= length;
+ return length;
+}
+
template <typename T>
class Vec3 {
public:
@@ -388,6 +400,13 @@ inline Vec3<float> Vec3<float>::Normalized() const {
return *this / Length();
}
+template <>
+inline float Vec3<float>::Normalize() {
+ float length = Length();
+ *this /= length;
+ return length;
+}
+
typedef Vec3<float> Vec3f;
template <typename T>