4 files changed, 542 insertions, 0 deletions

diff --git a/tests/NoiseTest/GNUmakefile b/tests/NoiseTest/GNUmakefile
new file mode 100644
index 000000000..436cfdcfe
--- /dev/null
+++ b/tests/NoiseTest/GNUmakefile
@@ -0,0 +1,163 @@
+###################################################
+#
+# Makefile for NoiseTest
+# Creator: xoft
+#
+###################################################
+#
+# Usage:
+# To make a release build, call "make"
+# To make a debug build, call "make debug=1"
+#
+###################################################
+
+#
+# Macros
+#
+
+CC = /usr/bin/g++
+
+
+all: NoiseTest
+
+
+
+
+
+###################################################
+# Set the variables used for compiling, based on the build mode requested:
+# CC_OPTIONS  ... options for the C code compiler
+# CXX_OPTIONS ... options for the C++ code compiler
+# LNK_OPTIONS ... options for the linker
+# LNK_LIBS    ... libraries to link in
+#   -- according to http://stackoverflow.com/questions/6183899/undefined-reference-to-dlopen, libs must come after all sources
+# BUILDDIR    ... folder where the intermediate object files are built
+
+LNK_LIBS = -lstdc++ -ldl
+
+ifeq ($(debug),1)
+################
+# debug build - fully traceable by gdb in C++ code, slowest
+# Since C code is used only for supporting libraries (zlib, lua), it is still O3-optimized
+################
+CC_OPTIONS = -s -ggdb -g -D_DEBUG -O3
+CXX_OPTIONS = -s -ggdb -g -D_DEBUG
+LNK_OPTIONS = -pthread -g -ggdb
+BUILDDIR = build/debug/
+
+else
+ifeq ($(profile),1)
+################
+# profile build - a release build with symbols and profiling engine built in
+################
+CC_OPTIONS = -s -g -ggdb -O3 -pg -DNDEBUG
+CXX_OPTIONS = -s -g -ggdb -O3 -pg -DNDEBUG
+LNK_OPTIONS = -pthread -ggdb -O3 -pg
+BUILDDIR = build/profile/
+
+else
+ifeq ($(pedantic),1)
+################
+# pedantic build - basically a debug build with lots of warnings
+################
+CC_OPTIONS = -s -g -ggdb -D_DEBUG -Wall -Wextra -pedantic -ansi -Wno-long-long
+CXX_OPTIONS = -s -g -ggdb -D_DEBUG -Wall -Wextra -pedantic -ansi -Wno-long-long
+LNK_OPTIONS = -pthread -ggdb
+BUILDDIR = build/pedantic/
+
+else
+################
+# release build - fastest run-time, no gdb support
+################
+CC_OPTIONS = -s -g -O3 -DNDEBUG
+CXX_OPTIONS = -s -g -O3 -DNDEBUG
+LNK_OPTIONS = -pthread -O3
+BUILDDIR = build/release/
+endif
+endif
+endif
+
+
+
+
+
+###################################################
+# INCLUDE directories
+#
+
+INCLUDE = -I.\
+		-I../../source\
+
+
+
+
+
+###################################################
+# Build NoiseTest
+#
+
+SOURCES = NoiseTest.cpp
+
+SHAREDSOURCES = \
+	source/Log.cpp \
+	source/MCLogger.cpp \
+	source/Noise.cpp \
+	source/StringUtils.cpp \
+	source/OSSupport/CriticalSection.cpp \
+	source/OSSupport/File.cpp \
+	source/OSSupport/IsThread.cpp \
+	source/OSSupport/MakeDir.cpp \
+
+OBJECTS := $(patsubst %.c,$(BUILDDIR)%.o,$(SOURCES))
+OBJECTS := $(patsubst %.cpp,$(BUILDDIR)%.o,$(OBJECTS))
+
+SHAREDOBJECTS := $(patsubst %.c,$(BUILDDIR)%.o,$(SHAREDSOURCES))
+SHAREDOBJECTS := $(patsubst %.cpp,$(BUILDDIR)%.o,$(SHAREDOBJECTS))
+
+-include $(patsubst %.o,%.d,$(OBJECTS))
+-include $(patsubst %.o,%.d,$(SHAREDOBJECTS))
+
+NoiseTest : $(OBJECTS) $(SHAREDOBJECTS)
+	$(CC) $(LNK_OPTIONS) $(OBJECTS) $(SHAREDOBJECTS) $(LNK_LIBS) -o NoiseTest
+
+clean : 
+		rm -rf $(BUILDDIR) NoiseTest
+
+
+
+
+
+###################################################
+# Build the parts of MCServer
+#
+# options used:
+#  -x c  ... compile as C code
+#  -c    ... compile but do not link
+#  -MM   ... generate a list of includes
+
+$(BUILDDIR)%.o: %.c
+	@mkdir -p $(dir $@) 
+	$(CC) $(CC_OPTIONS) -x c -c $(INCLUDE) $< -o $@
+	@$(CC) $(CC_OPTIONS) -x c -MM $(INCLUDE) $< > $(patsubst %.o,%.d,$@)
+	@mv -f $(patsubst %.o,%.d,$@) $(patsubst %.o,%.d,$@).tmp
+	@sed -e "s|.*:|$(BUILDDIR)$*.o:|" < $(patsubst %.o,%.d,$@).tmp > $(patsubst %.o,%.d,$@)
+	@sed -e 's/.*://' -e 's/\\$$//' < $(patsubst %.o,%.d,$@).tmp | fmt -1 | sed -e 's/^ *//' -e 's/$$/:/' >> $(patsubst %.o,%.d,$@)
+	@rm -f $(patsubst %.o,%.d,$@).tmp
+
+$(BUILDDIR)%.o: %.cpp
+	@mkdir -p $(dir $@)
+	$(CC) $(CXX_OPTIONS) -c $(INCLUDE) $< -o $@
+	@$(CC) $(CXX_OPTIONS) -MM $(INCLUDE) $< > $(patsubst %.o,%.d,$@)
+	@mv -f $(patsubst %.o,%.d,$@) $(patsubst %.o,%.d,$@).tmp
+	@sed -e "s|.*:|$(BUILDDIR)$*.o:|" < $(patsubst %.o,%.d,$@).tmp > $(patsubst %.o,%.d,$@)
+	@sed -e 's/.*://' -e 's/\\$$//' < $(patsubst %.o,%.d,$@).tmp | fmt -1 | sed -e 's/^ *//' -e 's/$$/:/' >> $(patsubst %.o,%.d,$@)
+	@rm -f $(patsubst %.o,%.d,$@).tmp
+
+$(BUILDDIR)source/%.o: ../../source/%.cpp
+	@mkdir -p $(dir $@)
+	$(CC) $(CXX_OPTIONS) -c $(INCLUDE) $< -o $@
+	@$(CC) $(CXX_OPTIONS) -MM $(INCLUDE) $< > $(patsubst %.o,%.d,$@)
+	@mv -f $(patsubst %.o,%.d,$@) $(patsubst %.o,%.d,$@).tmp
+	@sed -e "s|.*:|$(BUILDDIR)$*.o:|" < $(patsubst %.o,%.d,$@).tmp > $(patsubst %.o,%.d,$@)
+	@sed -e 's/.*://' -e 's/\\$$//' < $(patsubst %.o,%.d,$@).tmp | fmt -1 | sed -e 's/^ *//' -e 's/$$/:/' >> $(patsubst %.o,%.d,$@)
+	@rm -f $(patsubst %.o,%.d,$@).tmp
diff --git a/tests/NoiseTest/NoiseTest.cpp b/tests/NoiseTest/NoiseTest.cpp
new file mode 100644
index 000000000..5542f3ca6
--- /dev/null
+++ b/tests/NoiseTest/NoiseTest.cpp
@@ -0,0 +1,101 @@
+
+// NoiseTest.cpp
+
+// Implements the main app entrypoint
+
+#include "Globals.h"
+#include <time.h>
+#include "Noise.h"
+
+
+
+
+
+void SaveValues(NOISE_DATATYPE * a_Values, const AString & a_FileName)
+{
+	cFile f;
+	if (!f.Open(a_FileName, cFile::fmWrite))
+	{
+		LOGWARNING("Cannot write file %s", a_FileName.c_str());
+		return;
+	}
+	for (int y = 0; y < 256; y++)
+	{
+		unsigned char val[256];
+		for (int x = 0; x < 256; x++)
+		{
+			val[x] = std::min(255, std::max(0, (int)(256 * a_Values[x + 256 * y])));
+		}
+		f.Write(val, 256);
+	}
+}
+
+
+
+
+
+clock_t TestCubicNoise(void)
+{
+	cCubicNoise Cubic(0);
+	NOISE_DATATYPE Values[256 * 256];
+	
+	// Do a speed test:
+	clock_t Begin = clock();
+	for (int i = 0; i < 1000; i++)
+	{
+		Cubic.Generate2D(Values, 256, 256, 0, (NOISE_DATATYPE)25.6, 0, (NOISE_DATATYPE)25.6);
+	}
+	clock_t Ticks = clock() - Begin;
+	LOG("cCubicNoise generating 1000 * 256x256 values took %d ticks (%.02f sec)", Ticks, (double)Ticks / CLOCKS_PER_SEC);
+	
+	// Save the results into a file for visual comparison:
+	SaveValues(Values, "NoiseCubic.raw");
+	
+	return Ticks;
+}
+
+
+
+
+
+clock_t TestOldNoise(void)
+{
+	cNoise Noise(0);
+	NOISE_DATATYPE Values[256 * 256];
+
+	// Do a speed test:
+	clock_t Begin = clock();
+	for (int i = 0; i < 1000; i++)
+	{
+		for (int y = 0; y < 256; y++)
+		{
+			float fy = (float)y / 10;
+			for (int x = 0; x < 256; x++)
+			{
+				Values[x + 256 * y] = Noise.CubicNoise2D((float)x / 10, fy);
+			}  // for x
+		}  // for y
+	}
+	clock_t Ticks = clock() - Begin;
+	LOG("cNoise generating 1000 * 256x256 values took %d ticks (%.02f sec)", Ticks, (double)Ticks / CLOCKS_PER_SEC);
+	
+	// Save the results into a file for visual comparison:
+	SaveValues(Values, "NoiseOld.raw");
+	
+	return Ticks;
+}
+
+
+
+
+
+int main(int argc, char * argv[])
+{
+	new cMCLogger();  // Create a logger (will set itself as the main instance
+	
+	clock_t NewTicks = TestCubicNoise();
+	clock_t OldTicks = TestOldNoise();
+	LOG("New method is %.02fx faster", (double)OldTicks / NewTicks);
+	LOG("Press Enter to quit program");
+	getchar();
+}
diff --git a/tests/NoiseTest/NoiseTest.sln b/tests/NoiseTest/NoiseTest.sln
new file mode 100644
index 000000000..240e97d01
--- /dev/null
+++ b/tests/NoiseTest/NoiseTest.sln
@@ -0,0 +1,20 @@
+
+Microsoft Visual Studio Solution File, Format Version 10.00
+# Visual C++ Express 2008
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "NoiseTest", "NoiseTest.vcproj", "{8FDBCFC4-E1CF-4704-999C-29A08F9D6053}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Win32 = Debug|Win32
+		Release|Win32 = Release|Win32
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{8FDBCFC4-E1CF-4704-999C-29A08F9D6053}.Debug|Win32.ActiveCfg = Debug|Win32
+		{8FDBCFC4-E1CF-4704-999C-29A08F9D6053}.Debug|Win32.Build.0 = Debug|Win32
+		{8FDBCFC4-E1CF-4704-999C-29A08F9D6053}.Release|Win32.ActiveCfg = Release|Win32
+		{8FDBCFC4-E1CF-4704-999C-29A08F9D6053}.Release|Win32.Build.0 = Release|Win32
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal
diff --git a/tests/NoiseTest/NoiseTest.vcproj b/tests/NoiseTest/NoiseTest.vcproj
new file mode 100644
index 000000000..d8741f74c
--- /dev/null
+++ b/tests/NoiseTest/NoiseTest.vcproj
@@ -0,0 +1,258 @@
+<?xml version="1.0" encoding="windows-1250"?>
+<VisualStudioProject
+	ProjectType="Visual C++"
+	Version="9,00"
+	Name="NoiseTest"
+	ProjectGUID="{8FDBCFC4-E1CF-4704-999C-29A08F9D6053}"
+	RootNamespace="NoiseTest"
+	Keyword="Win32Proj"
+	TargetFrameworkVersion="196613"
+	>
+	<Platforms>
+		<Platform
+			Name="Win32"
+		/>
+	</Platforms>
+	<ToolFiles>
+	</ToolFiles>
+	<Configurations>
+		<Configuration
+			Name="Debug|Win32"
+			OutputDirectory="$(SolutionDir)$(ConfigurationName)"
+			IntermediateDirectory="$(ConfigurationName)"
+			ConfigurationType="1"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				Optimization="0"
+				AdditionalIncludeDirectories="../../source"
+				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE"
+				MinimalRebuild="true"
+				BasicRuntimeChecks="3"
+				RuntimeLibrary="1"
+				UsePrecompiledHeader="0"
+				WarningLevel="3"
+				DebugInformationFormat="4"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				AdditionalDependencies="ws2_32.lib"
+				LinkIncremental="2"
+				GenerateDebugInformation="true"
+				SubSystem="1"
+				TargetMachine="1"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+		<Configuration
+			Name="Release|Win32"
+			OutputDirectory="$(SolutionDir)$(ConfigurationName)"
+			IntermediateDirectory="$(ConfigurationName)"
+			ConfigurationType="1"
+			CharacterSet="2"
+			WholeProgramOptimization="1"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				Optimization="2"
+				EnableIntrinsicFunctions="true"
+				FavorSizeOrSpeed="1"
+				AdditionalIncludeDirectories="../../source"
+				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE"
+				RuntimeLibrary="0"
+				EnableFunctionLevelLinking="true"
+				UsePrecompiledHeader="0"
+				WarningLevel="3"
+				DebugInformationFormat="3"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				AdditionalDependencies="ws2_32.lib"
+				LinkIncremental="1"
+				GenerateDebugInformation="true"
+				SubSystem="1"
+				OptimizeReferences="2"
+				EnableCOMDATFolding="2"
+				TargetMachine="1"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+	</Configurations>
+	<References>
+	</References>
+	<Files>
+		<Filter
+			Name="Source Files"
+			Filter="cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx"
+			UniqueIdentifier="{4FC737F1-C7A5-4376-A066-2A32D752A2FF}"
+			>
+			<File
+				RelativePath=".\NoiseTest.cpp"
+				>
+			</File>
+			<Filter
+				Name="Shared"
+				>
+				<File
+					RelativePath="..\..\source\Log.cpp"
+					>
+				</File>
+				<File
+					RelativePath="..\..\source\Log.h"
+					>
+				</File>
+				<File
+					RelativePath="..\..\source\MCLogger.cpp"
+					>
+				</File>
+				<File
+					RelativePath="..\..\source\MCLogger.h"
+					>
+				</File>
+				<File
+					RelativePath="..\..\source\Noise.cpp"
+					>
+				</File>
+				<File
+					RelativePath="..\..\source\Noise.h"
+					>
+				</File>
+				<File
+					RelativePath="..\..\source\StringUtils.cpp"
+					>
+				</File>
+				<File
+					RelativePath="..\..\source\StringUtils.h"
+					>
+				</File>
+				<Filter
+					Name="OSSupport"
+					>
+					<File
+						RelativePath="..\..\source\OSSupport\CriticalSection.cpp"
+						>
+					</File>
+					<File
+						RelativePath="..\..\source\OSSupport\CriticalSection.h"
+						>
+					</File>
+					<File
+						RelativePath="..\..\source\OSSupport\File.cpp"
+						>
+					</File>
+					<File
+						RelativePath="..\..\source\OSSupport\File.h"
+						>
+					</File>
+					<File
+						RelativePath="..\..\source\OSSupport\IsThread.cpp"
+						>
+					</File>
+					<File
+						RelativePath="..\..\source\OSSupport\IsThread.h"
+						>
+					</File>
+					<File
+						RelativePath="..\..\source\OSSupport\MakeDir.cpp"
+						>
+					</File>
+					<File
+						RelativePath="..\..\source\OSSupport\MakeDir.h"
+						>
+					</File>
+				</Filter>
+			</Filter>
+		</Filter>
+	</Files>
+	<Globals>
+	</Globals>
+</VisualStudioProject>