fixed CParticle crash && RandTable

implemented PC codewarrior rand
updated premake

6 files changed, 24 insertions, 11 deletions

diff --git a/src/General.h b/src/General.h
index aa52bf4d..f957ab2f 100644
--- a/src/General.h
+++ b/src/General.h
@@ -45,8 +45,8 @@ public:
 		{ return myrand() & 0xFFFF; }
 	// Probably don't want to ever reach high
 	static float GetRandomNumberInRange(float low, float high)
-		{ return low + (high - low)*(GetRandomNumber()/65536.0f); }
+		{ return low + (high - low)*(GetRandomNumber()/float(MYRAND_MAX + 1)); }
 		
 	static Int32 GetRandomNumberInRange(Int32 low, Int32 high)
-		{ return low + (high - low)*(GetRandomNumber()/65536.0f); }
+		{ return low + (high - low)*(GetRandomNumber()/float(MYRAND_MAX + 1)); }
 };
diff --git a/src/common.h b/src/common.h
index a82e4c7f..47dd13f2 100644
--- a/src/common.h
+++ b/src/common.h
@@ -145,6 +145,12 @@ inline float sq(float x) { return x*x; }
 #define DEGTORAD(x) ((x) * PI / 180.0f)
 #define RADTODEG(x) ((x) * 180.0f / PI)
 
+#if USE_PS2_RAND == TRUE
+#define MYRAND_MAX		65535
+#else
+#define MYRAND_MAX		32767
+#endif
+
 int myrand(void);
 void mysrand(unsigned int seed);
 
diff --git a/src/config.h b/src/config.h
index 94692fa0..c12f2da2 100644
--- a/src/config.h
+++ b/src/config.h
@@ -53,3 +53,6 @@ enum Config {
 
 	NUMANTENNAS = 8,
 };
+
+#define GTA3_1_1_PATCH FALSE
+#define USE_PS2_RAND FALSE
\ No newline at end of file
diff --git a/src/re3.cpp b/src/re3.cpp
index 4f125098..11e8aea7 100644
--- a/src/re3.cpp
+++ b/src/re3.cpp
@@ -20,15 +20,24 @@ WRAPPER void gtadelete(void *p) { EAXJMP(0x5A07E0); }
 void *operator new(size_t sz) { return gtanew(sz); }
 void operator delete(void *ptr) noexcept { gtadelete(ptr); }
 
-// Use our own implementation of rand, stolen from PS2
-
+#if USE_PS2_RAND == TRUE
 unsigned __int64 myrand_seed = 1;
+#else
+unsigned long int myrand_seed = 1;
+#endif
 
 int
 myrand(void)
 {
+#if USE_PS2_RAND == TRUE
+	// Use our own implementation of rand, stolen from PS2
 	myrand_seed = 0x5851F42D4C957F2D * myrand_seed + 1;
 	return ((myrand_seed >> 32) & 0x7FFFFFFF);
+#else
+	// or original codewarrior rand
+	myrand_seed = myrand_seed * 1103515245 + 12345;
+	return((myrand_seed >> 16) & 0x7FFF);
+#endif
 }
 
 void
diff --git a/src/render/Particle.cpp b/src/render/Particle.cpp
index bd4f7696..03ff6bb2 100644
--- a/src/render/Particle.cpp
+++ b/src/render/Particle.cpp
@@ -210,7 +210,7 @@ RwTexture *      (&gpRainDropTex)[MAX_RAINDROP_FILES] = *(RwTexture * (*)[MAX_RA
 RwRaster  *gpRainDropRaster[MAX_RAINDROP_FILES];
 
 //Float      CParticle::ms_afRandTable[CParticle::RAND_TABLE_SIZE]; //
-Float      (&CParticle::ms_afRandTable)[CParticle::RAND_TABLE_SIZE] = *(Float (*)[CParticle::RAND_TABLE_SIZE])*(int *)0x6E9878;
+Float      (&CParticle::ms_afRandTable)[CParticle::RAND_TABLE_SIZE] = *(Float (*)[CParticle::RAND_TABLE_SIZE])*(int *)0x6E98C8;
 
 
 CParticle *CParticle::m_pUnusedListHead;
@@ -1853,7 +1853,6 @@ void CParticle::AddYardieDoorSmoke(CVector const &vecPos, CMatrix const &matMatr
 }
 
 STARTPATCHES
-return;	// causes crash, out temporarily
 	//InjectHook(0x50C410, &CParticle::ctor, PATCH_JUMP);
 	//InjectHook(0x50C420, &CParticle::dtor, PATCH_JUMP);
 	InjectHook(0x50C430, CParticle::ReloadConfig, PATCH_JUMP);
diff --git a/src/render/Shadows.cpp b/src/render/Shadows.cpp
index 587dda99..81ba75aa 100644
--- a/src/render/Shadows.cpp
+++ b/src/render/Shadows.cpp
@@ -2,10 +2,6 @@
 #include "patcher.h"
 #include "Shadows.h"
 
-void CShadows::AddPermanentShadow(unsigned char ShadowType, RwTexture* pTexture, CVector* pPosn, float fX1, float fY1, float fX2, float fY2, short nTransparency, unsigned char nRed, unsigned char nGreen, unsigned char nBlue, float fZDistance, unsigned int nTime, float fScale)
-{
-	((void (__cdecl *)(unsigned char, RwTexture*, CVector*, float, float, float, float, short, unsigned char, unsigned char, unsigned char, float, unsigned int, float))0x56EC50)(ShadowType, pTexture, pPosn, fX1, fY1, fX2, fY2, nTransparency, nRed, nGreen, nBlue, fZDistance, nTime, fScale);
-}
-
+WRAPPER void CShadows::AddPermanentShadow(unsigned char ShadowType, RwTexture* pTexture, CVector* pPosn, float fX1, float fY1, float fX2, float fY2, short nTransparency, unsigned char nRed, unsigned char nGreen, unsigned char nBlue, float fZDistance, unsigned int nTime, float fScale) { EAXJMP(0x512FD0); }
 WRAPPER void CShadows::RenderStaticShadows(void) { EAXJMP(0x5145F0); }
 WRAPPER void CShadows::RenderStoredShadows(void) { EAXJMP(0x514010); }