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authorElisey Puzko <puzko.e02@gmail.com>2018-02-25 12:49:36 +0100
committerElisey Puzko <puzko.e02@gmail.com>2018-02-25 12:50:23 +0100
commit78221efae3c038e2c21cb553891d9de8c37cf809 (patch)
treef5d7dea2c6dc5a3d2feb8f4c0413f83beef61793 /src
parentSome nice hack to avoid conflict of std::min and min macro (diff)
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Diffstat (limited to '')
-rw-r--r--src/GameState.cpp30
-rw-r--r--src/Utility.cpp76
-rw-r--r--src/Utility.hpp56
-rw-r--r--src/main.cpp2
4 files changed, 85 insertions, 79 deletions
diff --git a/src/GameState.cpp b/src/GameState.cpp
index 192a0c5..6c2ad42 100644
--- a/src/GameState.cpp
+++ b/src/GameState.cpp
@@ -594,28 +594,14 @@ BlockFacing detectHitFace(VectorF raycastHit, Vector selectedBlock) {
static const auto vecRight = VectorF(1, 0, 0);
static const auto vecForward = VectorF(0, 0, -1);
- double up = vec.cosBetween(vecUp);
- double down = -up;
- double right = vec.cosBetween(vecRight);
- double left = -right;
- double forward = vec.cosBetween(vecForward);
- double backward = -forward;
-
- // TODO: create a min/max function for the variable number of arguments
- // NOTE: function names are surrounded by parentheses to avoid conflict of
- // `std::min` and a `min` macro from `windows.h`. If there will be more uses
- // of `std::min`, a macro `NOMINMAX` should be defined because these hacks can
- // have the real impact on the performance.
- double min_cos = (std::min)(
- (std::min)(
- (std::min)(
- (std::min)(
- (std::min)(up, down),
- right),
- left),
- forward),
- backward);
-
+ const double up = vec.cosBetween(vecUp);
+ const double down = -up;
+ const double right = vec.cosBetween(vecRight);
+ const double left = -right;
+ const double forward = vec.cosBetween(vecForward);
+ const double backward = -forward;
+
+ const double min_cos = _min(up, down, right, left, forward, backward);
if (min_cos == down)
return BlockFacing::Bottom;
else if (min_cos == up)
diff --git a/src/Utility.cpp b/src/Utility.cpp
index c498fa3..848ee02 100644
--- a/src/Utility.cpp
+++ b/src/Utility.cpp
@@ -5,41 +5,41 @@
#include <easylogging++.h>
GLenum glCheckError_(const char *file, int line) {
- GLenum errorCode;
- while ((errorCode = glGetError()) != GL_NO_ERROR) {
- std::string error;
- switch (errorCode) {
- case GL_INVALID_ENUM:
- error = "INVALID_ENUM";
- break;
- case GL_INVALID_VALUE:
- error = "INVALID_VALUE";
- break;
- case GL_INVALID_OPERATION:
- error = "INVALID_OPERATION";
- break;
- case GL_STACK_OVERFLOW:
- error = "STACK_OVERFLOW";
- break;
- case GL_STACK_UNDERFLOW:
- error = "STACK_UNDERFLOW";
- break;
- case GL_OUT_OF_MEMORY:
- error = "OUT_OF_MEMORY";
- break;
- case GL_INVALID_FRAMEBUFFER_OPERATION:
- error = "INVALID_FRAMEBUFFER_OPERATION";
- break;
- }
- static int t = 0;
- LOG(ERROR) << "OpenGL error: " << error << " at " << file << ":" << line;
- }
- return errorCode;
+ GLenum errorCode;
+ while ((errorCode = glGetError()) != GL_NO_ERROR) {
+ std::string error;
+ switch (errorCode) {
+ case GL_INVALID_ENUM:
+ error = "INVALID_ENUM";
+ break;
+ case GL_INVALID_VALUE:
+ error = "INVALID_VALUE";
+ break;
+ case GL_INVALID_OPERATION:
+ error = "INVALID_OPERATION";
+ break;
+ case GL_STACK_OVERFLOW:
+ error = "STACK_OVERFLOW";
+ break;
+ case GL_STACK_UNDERFLOW:
+ error = "STACK_UNDERFLOW";
+ break;
+ case GL_OUT_OF_MEMORY:
+ error = "OUT_OF_MEMORY";
+ break;
+ case GL_INVALID_FRAMEBUFFER_OPERATION:
+ error = "INVALID_FRAMEBUFFER_OPERATION";
+ break;
+ }
+ static int t = 0;
+ LOG(ERROR) << "OpenGL error: " << error << " at " << file << ":" << line;
+ }
+ return errorCode;
}
LoopExecutionTimeController::LoopExecutionTimeController(duration delayLength)
- : delayLength(delayLength) {
- previousUpdate = clock::now();
+ : delayLength(delayLength) {
+ previousUpdate = clock::now();
}
LoopExecutionTimeController::~LoopExecutionTimeController() {
@@ -47,16 +47,16 @@ LoopExecutionTimeController::~LoopExecutionTimeController() {
}
void LoopExecutionTimeController::SetDelayLength(duration length) {
- delayLength = length;
+ delayLength = length;
}
unsigned long long LoopExecutionTimeController::GetIterations() {
- return iterations;
+ return iterations;
}
void LoopExecutionTimeController::Update() {
- iterations++;
- auto timeToSleep = delayLength - GetDelta();
+ iterations++;
+ auto timeToSleep = delayLength - GetDelta();
if (timeToSleep.count() > 0)
std::this_thread::sleep_for(timeToSleep);
previousPreviousUpdate = previousUpdate;
@@ -69,8 +69,8 @@ double LoopExecutionTimeController::GetDeltaMs() {
}
LoopExecutionTimeController::duration LoopExecutionTimeController::GetDelta() {
- auto now = clock::now();
- return duration(now-previousUpdate);
+ auto now = clock::now();
+ return duration(now-previousUpdate);
}
double LoopExecutionTimeController::GetDeltaS() {
diff --git a/src/Utility.hpp b/src/Utility.hpp
index e8c508d..9b90cb9 100644
--- a/src/Utility.hpp
+++ b/src/Utility.hpp
@@ -11,18 +11,38 @@ using Uuid = std::vector<unsigned char>;
template<class T>
void endswap(T *objp) {
- unsigned char *memp = reinterpret_cast<unsigned char *>(objp);
- std::reverse(memp, memp + sizeof(T));
+ unsigned char *memp = reinterpret_cast<unsigned char *>(objp);
+ std::reverse(memp, memp + sizeof(T));
}
template<class T>
void endswap(T &obj) {
- unsigned char *raw = reinterpret_cast<unsigned char *>(&obj);
- std::reverse(raw, raw + sizeof(T));
+ unsigned char *raw = reinterpret_cast<unsigned char *>(&obj);
+ std::reverse(raw, raw + sizeof(T));
+}
+
+template<typename T>
+T _min(T a, T b) {
+ return (a > b) ? b : a;
+}
+
+template<typename T, typename... Args>
+T _min(T a, T b, Args... args) {
+ return _min(a > b ? b : a, args...);
+}
+
+template<typename T>
+T _max(T a, T b) {
+ return (a > b) ? a : b;
+}
+
+template<typename T, typename... Args>
+T _max(T a, T b, Args... args) {
+ return _max(a > b ? a : b, args...);
}
inline void endswap(unsigned char *arr, size_t arrLen) {
- std::reverse(arr, arr + arrLen);
+ std::reverse(arr, arr + arrLen);
}
GLenum glCheckError_(const char *file, int line);
@@ -30,27 +50,27 @@ GLenum glCheckError_(const char *file, int line);
class LoopExecutionTimeController {
- using clock = std::chrono::steady_clock ;
- using timePoint = std::chrono::time_point<clock>;
- using duration = std::chrono::duration<double,std::milli>;
- timePoint previousUpdate;
+ using clock = std::chrono::steady_clock ;
+ using timePoint = std::chrono::time_point<clock>;
+ using duration = std::chrono::duration<double,std::milli>;
+ timePoint previousUpdate;
timePoint previousPreviousUpdate;
- duration delayLength;
- unsigned long long iterations=0;
+ duration delayLength;
+ unsigned long long iterations=0;
public:
- LoopExecutionTimeController(duration delayLength);
+ LoopExecutionTimeController(duration delayLength);
- ~LoopExecutionTimeController();
+ ~LoopExecutionTimeController();
- void SetDelayLength(duration length);
+ void SetDelayLength(duration length);
- unsigned long long GetIterations();
+ unsigned long long GetIterations();
- void Update();
+ void Update();
- double GetDeltaMs();
+ double GetDeltaMs();
- duration GetDelta();
+ duration GetDelta();
double GetDeltaS();
diff --git a/src/main.cpp b/src/main.cpp
index eac2417..cb2daa8 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -47,7 +47,7 @@ int main(int argc, char** argv) {
LOG(ERROR) << e.what();
return -1;
}
-
+
GlobalState::Exec();
return 0;