X-Git-Url: https://git.dogcows.com/gitweb?p=chaz%2Fthecheat;a=blobdiff_plain;f=Searching.m;h=d1885d9956f13cd666ae0b6f3b727dbef419f9b2;hp=2d1ddb585146b0eb59c384668186d8ffda6defa9;hb=HEAD;hpb=d27548f80fe411fda2ee69c74a24eab4292267e9

diff --git a/Searching.m b/Searching.m
index 2d1ddb5..d1885d9 100644
--- a/Searching.m
+++ b/Searching.m
@@ -1,10 +1,14 @@
-//
-//  Searching.m
-//  The Cheat
-//
-//  Created by Chaz McGarvey on 12/28/04.
-//  Copyright 2004 Chaz McGarvey. All rights reserved.
-//
+
+/*
+ * The Cheat - The legendary universal game trainer for Mac OS X.
+ * http://www.brokenzipper.com/trac/wiki/TheCheat
+ *
+ * Copyright (c) 2003-2011, Charles McGarvey et al.
+ *
+ * Distributable under the terms and conditions of the 2-clause BSD
+ * license; see the file COPYING for the legal text of the license.
+ */
+
 
 #import "Searching.h"
 
@@ -57,7 +61,7 @@ int SearchIteration( ThreadedTask *task, unsigned iteration )
 	SearchContext *context = [task context];
 	VMRegion region;
 	unsigned hitsPerRegion = 0;
-	vm_size_t size;
+	mach_vm_size_t size;
 	
 	void *ptr, *top;
 	TCAddress offset;
@@ -85,7 +89,24 @@ int SearchIteration( ThreadedTask *task, unsigned iteration )
 		offset = VMRegionAddress( region ) - (TCAddress)context->buffer;
 		
 		while ( ptr < top ) {
-			if ( context->compareFunc(ptr,context->value->_value) ) {
+			char firstValue[context->value->_size];
+			memcpy(firstValue, ptr, context->value->_size);
+			
+			if (context->value->_isEmulated)
+			{
+				if (context->value->_type == TCFloat)
+				{
+					CFSwappedFloat32 firstSwappedFloat = CFConvertFloat32HostToSwapped(*((float *)firstValue));
+					memcpy(firstValue, &firstSwappedFloat, context->value->_size);
+				}
+				else if (context->value->_type == TCDouble)
+				{
+					CFSwappedFloat64 firstSwappedDouble = CFConvertDoubleHostToSwapped(*((double *)firstValue));
+					memcpy(firstValue, &firstSwappedDouble, context->value->_size);
+				}
+			}
+			
+			if ( context->compareFunc(firstValue,context->value->_value) ) {
 				if ( context->numberOfResults >= TCArrayElementCount(context->addresses) ) {
 					TCArrayResize( context->addresses, TCArrayElementCount(context->addresses) + TC_BUFFER_SIZE / sizeof(TCAddress) );
 					context->addressPtr = (TCAddress *)TCArrayBytes(context->addresses) + context->numberOfResults;
@@ -141,7 +162,7 @@ int SearchIterationAgain( ThreadedTask *task, unsigned iteration )
 	SearchContext *context = [task context];
 	VMRegion region;
 	unsigned hitsPerRegion = 0;
-	vm_size_t size;
+	mach_vm_size_t size;
 	
 	void *ptr;
 	unsigned i, top;
@@ -151,7 +172,6 @@ int SearchIterationAgain( ThreadedTask *task, unsigned iteration )
 		context->lastRegion = VMMakeRegion( context->process, *(context->lastRegionPtr), 0 );
 		region = VMNextRegionWithAttributes( context->process, context->lastRegion, VMREGION_READABLE | VMREGION_WRITABLE );
 		if ( VMRegionIsNotNull( region ) ) {
-			
 			if ( context->bufferSize < VMRegionSize( region ) ) {
 				char *buf = realloc( context->buffer, VMRegionSize( region ) );
 				if ( buf ) {
@@ -170,9 +190,26 @@ int SearchIterationAgain( ThreadedTask *task, unsigned iteration )
 			top = *context->lastPerRegionPtr;
 			
 			for ( i = 0; i < top; i++ ) {
+				ptr = (void *)((TCAddress)context->buffer + *context->lastAddressPtr - VMRegionAddress(region));
 				
-				ptr = context->buffer + *context->lastAddressPtr - VMRegionAddress(region);
-				if ( context->compareFunc(ptr,context->value->_value) ) {
+				char firstValue[context->value->_size];
+				memcpy(firstValue, ptr, context->value->_size);
+				
+				if (context->value->_isEmulated)
+				{
+					if (context->value->_type == TCFloat)
+					{
+						CFSwappedFloat32 firstSwappedFloat = CFConvertFloat32HostToSwapped(*((float *)firstValue));
+						memcpy(firstValue, &firstSwappedFloat, context->value->_size);
+					}
+					else if (context->value->_type == TCDouble)
+					{
+						CFSwappedFloat64 firstSwappedDouble = CFConvertDoubleHostToSwapped(*((double *)firstValue));
+						memcpy(firstValue, &firstSwappedDouble, context->value->_size);
+					}
+				}
+				
+				if (ptr >= context->buffer && context->compareFunc(firstValue,context->value->_value)) {
 					if ( context->numberOfResults >= TCArrayElementCount(context->addresses) ) {
 						TCArrayResize( context->addresses, TCArrayElementCount(context->addresses) + TC_BUFFER_SIZE / sizeof(TCAddress) );
 						context->addressPtr = (TCAddress *)TCArrayBytes(context->addresses) + context->numberOfResults;
@@ -232,7 +269,7 @@ int SearchIterationLastValue( ThreadedTask *task, unsigned iteration )
 	SearchContext *context = [task context];
 	VMRegion region;
 	unsigned hitsPerRegion = 0;
-	vm_size_t size;
+	mach_vm_size_t size;
 	
 	void *ptr;
 	unsigned i, top;
@@ -262,8 +299,8 @@ int SearchIterationLastValue( ThreadedTask *task, unsigned iteration )
 			
 			for ( i = 0; i < top; i++ ) {
 				
-				ptr = context->buffer + *context->lastAddressPtr - VMRegionAddress(region);
-				if ( context->compareFunc(ptr,context->lastValuePtr) ) {
+				ptr = (void *)((TCAddress)context->buffer + *context->lastAddressPtr - VMRegionAddress(region));
+				if ( ptr >= context->buffer && context->compareFunc(ptr,context->lastValuePtr) ) {
 					if ( context->numberOfResults >= TCArrayElementCount(context->addresses) ) {
 						TCArrayResize( context->addresses, TCArrayElementCount(context->addresses) + TC_BUFFER_SIZE / sizeof(TCAddress) );
 						context->addressPtr = (TCAddress *)TCArrayBytes(context->addresses) + context->numberOfResults;
@@ -325,7 +362,7 @@ int SearchStringIteration( ThreadedTask *task, unsigned iteration )
 	SearchContext *context = [task context];
 	VMRegion region;
 	unsigned hitsPerRegion = 0;
-	vm_size_t size;
+	mach_vm_size_t size;
 	
 	void *ptr, *top, *hit;
 	TCAddress offset;
@@ -409,7 +446,7 @@ int SearchStringIterationAgain( ThreadedTask *task, unsigned iteration )
 	SearchContext *context = [task context];
 	VMRegion region;
 	unsigned hitsPerRegion = 0;
-	vm_size_t size;
+	mach_vm_size_t size;
 	
 	void *ptr;
 	unsigned i, top;
@@ -439,8 +476,9 @@ int SearchStringIterationAgain( ThreadedTask *task, unsigned iteration )
 			
 			for ( i = 0; i < top; i++ ) {
 				
-				ptr = context->buffer + *context->lastAddressPtr - VMRegionAddress(region);
-				if ( memcmp( ptr, context->value->_value, MIN(TCArrayElementSize(context->values),context->buffer+VMRegionAddress(region)-ptr) ) == 0 ) {
+				ptr = (void *)((TCAddress)context->buffer + *context->lastAddressPtr - VMRegionAddress(region));
+				
+				if ( ptr >= context->buffer && memcmp( ptr, context->value->_value, MIN(TCArrayElementSize(context->values),(TCAddress)context->buffer+VMRegionAddress(region)-(TCAddress)ptr) ) == 0 ) {
 					if ( context->numberOfResults >= TCArrayElementCount(context->addresses) ) {
 						TCArrayResize( context->addresses, TCArrayElementCount(context->addresses) + TC_BUFFER_SIZE / sizeof(TCAddress) );
 						context->addressPtr = (TCAddress *)TCArrayBytes(context->addresses) + context->numberOfResults;
@@ -498,7 +536,7 @@ int SearchStringIterationLastValue( ThreadedTask *task, unsigned iteration )
 	SearchContext *context = [task context];
 	VMRegion region;
 	unsigned hitsPerRegion = 0;
-	vm_size_t size;
+	mach_vm_size_t size;
 	
 	void *ptr;
 	unsigned i, top;
@@ -528,8 +566,8 @@ int SearchStringIterationLastValue( ThreadedTask *task, unsigned iteration )
 			
 			for ( i = 0; i < top; i++ ) {
 				
-				ptr = context->buffer + *context->lastAddressPtr - VMRegionAddress(region);
-				if ( memcmp( ptr, context->lastValuePtr, MIN(TCArrayElementSize(context->values),context->buffer+VMRegionAddress(region)-ptr) ) == 0 ) {
+				ptr = (void *)((TCAddress)context->buffer + *context->lastAddressPtr - VMRegionAddress(region));
+				if ( ptr >= context->buffer && memcmp( ptr, context->lastValuePtr, MIN(TCArrayElementSize(context->values),(TCAddress)context->buffer+VMRegionAddress(region)-(TCAddress)ptr) ) == 0 ) {
 					if ( context->numberOfResults >= TCArrayElementCount(context->addresses) ) {
 						TCArrayResize( context->addresses, TCArrayElementCount(context->addresses) + TC_BUFFER_SIZE / sizeof(TCAddress) );
 						context->addressPtr = (TCAddress *)TCArrayBytes(context->addresses) + context->numberOfResults;