Linux build support

eax/eax.h

@@ -50,8 +50,13 @@ extern "C" {
 
 
 #else // OPENAL
+#ifndef _WIN32
+	#include <AL/al.h>
+	#include <string.h>
+#else
 	#include <al.h>
-
+#endif
+
 	#ifndef GUID_DEFINED
 		#define GUID_DEFINED
 		typedef struct _GUID

premake5.lua

@@ -29,13 +29,19 @@ workspace "re3"
 	location "build"
 	symbols "Full"
 	staticruntime "off"
+
 	filter { "system:windows" }
 		platforms {
 			"win-x86-RW33_d3d8-mss",
 			"win-x86-librw_d3d9-mss",
 			"win-x86-librw_gl3_glfw-mss",
 		}
 
+	filter { "system:linux" }
+		platforms {
+			"linux-x86-librw_gl3_glfw-oal",
+		}
+
 	filter "configurations:Debug"
 		defines { "DEBUG" }
 
@@ -45,6 +51,9 @@ workspace "re3"
 
 	filter { "platforms:win*" }
 		system "windows"
+
+	filter { "platforms:linux*" }
+		system "linux"
 
 	filter { "platforms:*x86*" }
 		architecture "x86"
@@ -57,33 +66,32 @@ workspace "re3"
 
 	filter "platforms:*librw_gl3_glfw*"
 		defines { "RW_GL3" }
+		includedirs { path.join(_OPTIONS["glfwdir"], "include") }
+		includedirs { path.join(_OPTIONS["glewdir"], "include") }
+
+	filter "platforms:win*librw_gl3_glfw*"
+		defines { "GLEW_STATIC" }
 		if(not _OPTIONS["with-librw"]) then
 			libdirs { path.join(Librw, "lib/win-x86-gl3/%{cfg.buildcfg}") }
 		end
-		defines { "GLEW_STATIC" }
-		includedirs { path.join(_OPTIONS["glfwdir"], "include") }
-		includedirs { path.join(_OPTIONS["glewdir"], "include") }
+
+	filter "platforms:linux*librw_gl3_glfw*"
+		if(not _OPTIONS["with-librw"]) then
+			libdirs { path.join(Librw, "lib/linux-x86-gl3/%{cfg.buildcfg}") }
+		end
+
 	filter  {}
-
-    pbcommands = { 
-       "setlocal EnableDelayedExpansion",
-       "set file=$(TargetPath)",
-       "FOR %%i IN (\"%file%\") DO (",
-       "set filename=%%~ni",
-       "set fileextension=%%~xi",
-       "set target=!path!!filename!!fileextension!",
-       "copy /y \"!file!\" \"!target!\"",
-       ")" }
-
+
     function setpaths (gamepath, exepath, scriptspath)
        scriptspath = scriptspath or ""
        if (gamepath) then
-          cmdcopy = { "set \"path=" .. gamepath .. scriptspath .. "\"" }
-          table.insert(cmdcopy, pbcommands)
-          postbuildcommands (cmdcopy)
+          postbuildcommands {
+             "{COPY} %{cfg.buildtarget.abspath} " .. gamepath .. scriptspath .. "%{cfg.buildtarget.name}"
+          }
           debugdir (gamepath)
           if (exepath) then
-             debugcommand (gamepath .. exepath)
+			 -- Used VS variable $(TargetFileName) because it doesn't accept premake tokens. Does debugcommand even work outside VS??
+             debugcommand (gamepath .. "$(TargetFileName)")
              dir, file = exepath:match'(.*/)(.*)'
              debugdir (gamepath .. (dir or ""))
           end
@@ -111,16 +119,12 @@ project "re3"
 	kind "WindowedApp"
 	targetname "re3"
 	targetdir "bin/%{cfg.platform}/%{cfg.buildcfg}"
-	targetextension ".exe"
-	characterset ("MBCS")
-	linkoptions "/SAFESEH:NO"
-
 
 	files { addSrcFiles("src") }
 	files { addSrcFiles("src/animation") }
 	files { addSrcFiles("src/audio") }
 	--files { addSrcFiles("src/audio/miles") }
-	--files { addSrcFiles("src/audio/openal") }
+	--files { addSrcFiles("src/audio/oal") }
 	files { addSrcFiles("src/control") }
 	files { addSrcFiles("src/core") }
 	files { addSrcFiles("src/entities") }
@@ -132,7 +136,6 @@ project "re3"
 	files { addSrcFiles("src/rw") }
 	files { addSrcFiles("src/save") }
 	files { addSrcFiles("src/skel") }
-	files { addSrcFiles("src/skel/win") }
 	files { addSrcFiles("src/skel/glfw") }
 	files { addSrcFiles("src/text") }
 	files { addSrcFiles("src/vehicles") }
@@ -143,6 +146,7 @@ project "re3"
 	includedirs { "src" }
 	includedirs { "src/animation" }
 	includedirs { "src/audio" }
+	--includedirs { "src/audio/oal" }
 	includedirs { "src/control" }
 	includedirs { "src/core" }
 	includedirs { "src/entities" }
@@ -154,7 +158,6 @@ project "re3"
 	includedirs { "src/rw" }
 	includedirs { "src/save/" }
 	includedirs { "src/skel/" }
-	includedirs { "src/skel/win" }
 	includedirs { "src/skel/glfw" }
 	includedirs { "src/text" }
 	includedirs { "src/vehicles" }
@@ -167,8 +170,24 @@ project "re3"
 
 	libdirs { "milessdk/lib" }
 
-	setpaths("$(GTA_III_RE_DIR)/", "$(TargetFileName)", "")
+	if(os.getenv("GTA_III_RE_DIR")) then
+		setpaths("$(GTA_III_RE_DIR)/", "%(cfg.buildtarget.name)", "")
+	end
 
+	filter "platforms:win*"
+		files { addSrcFiles("src/skel/win") }
+		includedirs { "src/skel/win" }
+		linkoptions "/SAFESEH:NO"
+		characterset ("MBCS")
+		targetextension ".exe"
+
+	filter "platforms:linux*"
+		targetextension ".elf"
+		defines { "OPENAL" }
+		links { "openal", "mpg123", "sndfile", "pthread" }
+		files { addSrcFiles("src/audio/oal") }
+		includedirs { "src/audio/oal" }
+
 	filter "platforms:*RW33*"
 		staticruntime "on"
 		includedirs { "rwsdk/include/d3d8" }
@@ -194,7 +213,10 @@ project "re3"
 	filter "platforms:*d3d9*"
 		links { "d3d9" }
 
-	filter "platforms:*gl3_glfw*"
+	filter "platforms:win*gl3_glfw*"
 		libdirs { path.join(_OPTIONS["glewdir"], "lib/Release/Win32") }
 		libdirs { path.join(_OPTIONS["glfwdir"], "lib-" .. string.gsub(_ACTION, "vs", "vc")) }
 		links { "opengl32", "glew32s", "glfw3" }
+
+	filter "platforms:linux*gl3_glfw*"
+		links { "GL", "GLEW", "glfw" }

src/animation/AnimBlendAssocGroup.cpp

@@ -1,6 +1,10 @@
 #include "common.h"
 
+#if defined _WIN32 && !defined __MINGW32__
 #include "ctype.h"
+#else
+#include <cwctype>
+#endif
 
 #include "General.h"
 #include "RwHelper.h"

src/animation/CutsceneMgr.cpp

@@ -103,7 +103,7 @@ const struct {
 	{ "MT_PH2",		STREAMED_SOUND_CUTSCENE_MARTY_PH2 },
 	{ "MT_PH3",		STREAMED_SOUND_CUTSCENE_MARTY_PH3 },
 	{ "MT_PH4",		STREAMED_SOUND_CUTSCENE_MARTY_PH4 },
-	{ NULL,			NULL }
+	{ NULL,			0 }
 };
 
 int

src/audio/DMAudio.cpp

@@ -6,6 +6,7 @@
 #include "AudioScriptObject.h"
 #include "sampman.h"
 #include "Text.h"
+#include "crossplatform.h"
 
 cDMAudio DMAudio;
 

src/audio/oal/aldlist.cpp

@@ -23,6 +23,12 @@
  */
 
 #include "aldlist.h"
+
+#ifndef _WIN32
+#define _stricmp strcasecmp
+#define _strnicmp strncasecmp
+#endif
+
 #ifdef AUDIO_OAL
 /* 
  * Init call
@@ -67,7 +73,7 @@ ALDeviceList::ALDeviceList()
 					if ((bNewName) && (actualDeviceName != NULL) && (strlen(actualDeviceName) > 0)) {
 						memset(&ALDeviceInfo, 0, sizeof(ALDEVICEINFO));
 						ALDeviceInfo.bSelected = true;
-						ALDeviceInfo.strDeviceName = std::string(actualDeviceName, strlen(actualDeviceName));
+						ALDeviceInfo.strDeviceName.assign(actualDeviceName, strlen(actualDeviceName));
 						alcGetIntegerv(device, ALC_MAJOR_VERSION, sizeof(int), &ALDeviceInfo.iMajorVersion);
 						alcGetIntegerv(device, ALC_MINOR_VERSION, sizeof(int), &ALDeviceInfo.iMinorVersion);
 
@@ -326,4 +332,4 @@ unsigned int ALDeviceList::GetMaxNumSources()
 
 	return iSourceCount;
 }
-#endif
+#endif

src/audio/oal/channel.cpp

@@ -4,6 +4,10 @@
 #include "common.h"
 #include "sampman.h"
 
+#ifndef _WIN32
+#include <float.h>
+#endif
+
 extern bool IsFXSupported();
 
 CChannel::CChannel()
@@ -207,4 +211,4 @@ void CChannel::UpdateReverb(ALuint slot)
 	alSource3i(alSource, AL_AUXILIARY_SEND_FILTER, slot, 0, alFilter);
 }
 
-#endif
+#endif

src/audio/oal/stream.cpp

@@ -4,13 +4,15 @@
 #include "common.h"
 #include "sampman.h"
 
-typedef long ssize_t;
-
 #include <sndfile.h>
 #include <mpg123.h>
-
+#ifdef _WIN32
+typedef long ssize_t;
 #pragma comment( lib, "libsndfile-1.lib" )
 #pragma comment( lib, "libmpg123.lib" )
+#else
+#include "crossplatform.h"
+#endif
 
 class CSndFile : public IDecoder
 {
@@ -192,7 +194,22 @@ CStream::CStream(char *filename, ALuint &source, ALuint (&buffers)[NUM_STREAMBUF
 	m_nPosBeforeReset(0)
 
 {
-	strcpy(m_aFilename, filename);
+// Be case-insensitive on linux (from https://github.com/OneSadCookie/fcaseopen/)
+#if !defined(_WIN32)
+	FILE *test = fopen(filename, "r");
+	if (!test) {
+		char *r = (char*)alloca(strlen(filename) + 2);
+		if (casepath(filename, r))
+		{
+		    strcpy(m_aFilename, r);
+		}
+	} else {
+		fclose(test);
+#else
+	{
+#endif
+		strcpy(m_aFilename, filename);
+	}
 
 	DEV("Stream %s\n", m_aFilename);
 
@@ -517,4 +534,4 @@ void CStream::ProviderTerm()
 	ClearBuffers();
 }
 
-#endif
+#endif

src/audio/sampman_oal.cpp

@@ -5,16 +5,18 @@
 #include "sampman.h"
 
 #include <time.h>
-#include <io.h>
 
 #include "eax.h"
 #include "eax-util.h"
 
+#ifdef _WIN32
+#include <io.h>
 #include <AL/al.h>
 #include <AL/alc.h>
 #include <AL/alext.h>
 #include <AL/efx.h>
 #include <AL/efx-presets.h>
+#endif
 
 #include "oal/oal_utils.h"
 #include "oal/aldlist.h"
@@ -31,7 +33,9 @@
 //TODO: loop count
 //TODO: mp3 player
 
+#ifdef _WIN32
 #pragma comment( lib, "OpenAL32.lib" )
+#endif
 
 cSampleManager SampleManager;
 bool _bSampmanInitialised = false;
@@ -61,15 +65,15 @@ struct
 int defaultProvider;
 
 
-char SampleBankDescFilename[] = "AUDIO\\SFX.SDT";
-char SampleBankDataFilename[] = "AUDIO\\SFX.RAW";
+char SampleBankDescFilename[] = "audio/sfx.SDT";
+char SampleBankDataFilename[] = "audio/sfx.RAW";
 
 FILE *fpSampleDescHandle;
 FILE *fpSampleDataHandle;
 bool  bSampleBankLoaded            [MAX_SAMPLEBANKS];
 int32 nSampleBankDiscStartOffset   [MAX_SAMPLEBANKS];
 int32 nSampleBankSize              [MAX_SAMPLEBANKS];
-int32 nSampleBankMemoryStartAddress[MAX_SAMPLEBANKS];
+uintptr nSampleBankMemoryStartAddress[MAX_SAMPLEBANKS];
 int32 _nSampleDataEndOffset;
 
 int32 nPedSlotSfx    [MAX_PEDSFX];
@@ -88,7 +92,7 @@ struct
 {
 	ALuint buffer;
 	ALuint timer;
-	
+
 	bool IsEmpty() { return timer == 0; }
 	void Set(ALuint buf) { buffer = buf; }
 	void Wait() { timer  = 10000; }
@@ -573,7 +577,7 @@ cSampleManager::Initialise(void)
 			return false;
 		}
 
-		nSampleBankMemoryStartAddress[SAMPLEBANK_MAIN] = (int32)malloc(nSampleBankSize[SAMPLEBANK_MAIN]);
+		nSampleBankMemoryStartAddress[SAMPLEBANK_MAIN] = (uintptr)malloc(nSampleBankSize[SAMPLEBANK_MAIN]);
 		ASSERT(nSampleBankMemoryStartAddress[SAMPLEBANK_MAIN] != NULL);
 
 		if ( nSampleBankMemoryStartAddress[SAMPLEBANK_MAIN] == NULL )
@@ -582,7 +586,7 @@ cSampleManager::Initialise(void)
 			return false;
 		}
 
-		nSampleBankMemoryStartAddress[SAMPLEBANK_PED] = (int32)malloc(PED_BLOCKSIZE*MAX_PEDSFX);
+		nSampleBankMemoryStartAddress[SAMPLEBANK_PED] = (uintptr)malloc(PED_BLOCKSIZE*MAX_PEDSFX);
 		ASSERT(nSampleBankMemoryStartAddress[SAMPLEBANK_PED] != NULL);
 	}
 
@@ -985,7 +989,7 @@ cSampleManager::InitialiseChannel(uint32 nChannel, uint32 nSfx, uint8 nBank)
 		if ( !IsSampleBankLoaded(nBank) )
 			return false;
 
-		int32 addr = nSampleBankMemoryStartAddress[nBank] + m_aSamples[nSfx].nOffset - m_aSamples[BankStartOffset[nBank]].nOffset;
+		uintptr addr = nSampleBankMemoryStartAddress[nBank] + m_aSamples[nSfx].nOffset - m_aSamples[BankStartOffset[nBank]].nOffset;
 
 		if ( ALBuffers[nSfx].IsEmpty() )
 		{
@@ -1401,4 +1405,4 @@ cSampleManager::InitialiseSampleBanks(void)
 	return true;
 }
 
-#endif
+#endif