Fix accessor mess I made. Added Accessor description dump to the dfitemdump tool and Items module.

Memory.xml

@@ -1769,6 +1769,7 @@
 
                 <Group name="job">
                     <Offset name="id" value="0x08" />
+                    <Offset name="type" value="0x40" />
                 </Group>
             </Group>
             <Group name="Vegetation">
@@ -1961,6 +1962,7 @@
                 </Group>
                 <Group name="job" valid="false">
                     <Offset name="id" valid="true" />
+                    <Offset name="type" valid="true" />
                 </Group>
             </Group>
             <Group name="Maps" valid="true">

library/include/dfhack/modules/Items.h

@@ -125,6 +125,8 @@ public:
     bool writeItem(const dfh_item & item);
     /// who owns this item we already read?
     int32_t getItemOwnerID(const dfh_item & item);
+    /// dump offsets used by accessors to a string
+    std::string dumpAccessors(const dfh_item & item);
 private:
     class Private;
     Private* d;

library/modules/Items.cpp

@@ -25,6 +25,7 @@ distribution.
 #include "Internal.h"
 
 #include <string>
+#include <sstream>
 #include <vector>
 #include <cstdio>
 #include <map>
@@ -64,9 +65,11 @@ private:
     int32_t offset2;
     Process * p;
     DataWidth dataWidth;
+    uint32_t method;
 public:
     Accessor(uint32_t function, Process * p);
     Accessor(accessor_type type, int32_t constant, uint32_t offset1, uint32_t offset2, uint32_t dataWidth, Process * p);
+    std::string dump();
     int32_t getValue(uint32_t objectPtr);
     bool isConstant();
 };
@@ -96,6 +99,7 @@ private:
 public:
     ItemDesc(uint32_t VTable, Process * p);
     bool readItem(uint32_t itemptr, dfh_item & item);
+    std::string dumpAccessors();
     std::string className;
     uint32_t vtable;
     uint32_t mainType;
@@ -178,22 +182,22 @@ Accessor::Accessor(uint32_t function, Process *p)
         this->constant = 0;
         return;
     }
-    uint32_t ptr = function;
+    method = function;
     int data_reg = -1;
-    uint64_t v = p->readQuad(ptr);
+    uint64_t v = p->readQuad(method);
 
-    if (do_match(ptr, v, 2, 0xFFFF, 0xC033) ||
+    if (do_match(method, v, 2, 0xFFFF, 0xC033) ||
-        do_match(ptr, v, 2, 0xFFFF, 0xC031)) // XOR EAX, EAX
+        do_match(method, v, 2, 0xFFFF, 0xC031)) // XOR EAX, EAX
     {
         data_reg = 0;
         this->constant = 0;
     }
-    else if (do_match(ptr, v, 3, 0xFFFFFF, 0xFFC883)) // OR EAX, -1
+    else if (do_match(method, v, 3, 0xFFFFFF, 0xFFC883)) // OR EAX, -1
     {
         data_reg = 0;
         this->constant = -1;
     }
-    else if (do_match(ptr, v, 5, 0xFF, 0xB8)) // MOV EAX,imm
+    else if (do_match(method, v, 5, 0xFF, 0xB8)) // MOV EAX,imm
     {
         data_reg = 0;
         this->constant = (v>>8) & 0xFFFFFFFF;
@@ -204,22 +208,22 @@ Accessor::Accessor(uint32_t function, Process *p)
         int ptr_reg = 1, tmp; // ECX
 
         // MOV REG,[ESP+4]
-        if (do_match(ptr, v, 4, 0xFFFFC7FFU, 0x0424448B))
+        if (do_match(method, v, 4, 0xFFFFC7FFU, 0x0424448B))
         {
             ptr_reg = (v>>11)&7;
-            v = p->readQuad(ptr);
+            v = p->readQuad(method);
         }
 
-        if (match_MOV_MEM(ptr, v, ptr_reg, tmp, this->offset1, xsize)) {
+        if (match_MOV_MEM(method, v, ptr_reg, tmp, this->offset1, xsize)) {
             data_reg = tmp;
             this->type = ACCESSOR_INDIRECT;
             this->dataWidth = xsize;
 
             if (xsize == Data32)
             {
-                v = p->readQuad(ptr);
+                v = p->readQuad(method);
 
-                if (match_MOV_MEM(ptr, v, data_reg, tmp, this->offset2, xsize)) {
+                if (match_MOV_MEM(method, v, data_reg, tmp, this->offset2, xsize)) {
                     data_reg = tmp;
                     this->type = ACCESSOR_DOUBLE_INDIRECT;
                     this->dataWidth = xsize;
@@ -228,9 +232,9 @@ Accessor::Accessor(uint32_t function, Process *p)
         }
     }
 
-    v = p->readQuad(ptr);
+    v = p->readQuad(method);
 
-    if (data_reg == 0 && do_match(ptr, v, 1, 0xFF, 0xC3)) // RET
+    if (data_reg == 0 && do_match(method, v, 1, 0xFF, 0xC3)) // RET
         return;
     else
     {
@@ -248,6 +252,55 @@ bool Accessor::isConstant()
         return false;
 }
 
+string Accessor::dump()
+{
+    stringstream sstr;
+    sstr << hex << "method @0x" << method << dec << " ";
+    switch(type)
+    {
+        case ACCESSOR_CONSTANT:
+            sstr << "Constant: " << dec << constant;
+            break;
+        case ACCESSOR_INDIRECT:
+            switch(dataWidth)
+            {
+                case Data32:
+                    sstr << "int32_t ";
+                    break;
+                case DataSigned16:
+                    sstr << "int16_t ";
+                    break;
+                case DataUnsigned16:
+                    sstr << "uint16_t ";
+                    break;
+                default:
+                    sstr << "unknown ";
+                    break;
+            }
+            sstr << hex << "[obj + 0x" << offset1 << " ]";
+            break;
+        case ACCESSOR_DOUBLE_INDIRECT:
+            switch(dataWidth)
+            {
+                case Data32:
+                    sstr << "int32_t ";
+                    break;
+                case DataSigned16:
+                    sstr << "int16_t ";
+                    break;
+                case DataUnsigned16:
+                    sstr << "uint16_t ";
+                    break;
+                default:
+                    sstr << "unknown ";
+                    break;
+            }
+            sstr << hex << "[ [obj + 0x" << offset1 << " ] + 0x" << offset2 << " ]";
+            break;
+    }
+    return sstr.str();
+}
+
 int32_t Accessor::getValue(uint32_t objectPtr)
 {
     int32_t offset = this->offset1;
@@ -283,8 +336,10 @@ int32_t Accessor::getValue(uint32_t objectPtr)
 Accessor * buildAccessor (OffsetGroup * I, Process * p, const char * name, uint32_t vtable)
 {
     int32_t offset;
-    if(I->getSafeOffset("item_type_accessor",offset))
+    if(I->getSafeOffset(name,offset))
+    {
         return new Accessor( p->readDWord( vtable + offset ), p);
+    }
     else
     {
         fprintf(stderr,"Missing offset for item accessor \"%s\"\n", name);
@@ -324,6 +379,19 @@ ItemDesc::ItemDesc(uint32_t VTable, Process *p)
     }
 }
 
+string ItemDesc::dumpAccessors()
+{
+    std::stringstream outss;
+    outss << "MainType  :" << AMainType->dump() << endl;
+    outss << "ASubType  :" << ASubType->dump() << endl;
+    outss << "ASubIndex :" << ASubIndex->dump() << endl;
+    outss << "AIndex    :" << AIndex->dump() << endl;
+    outss << "AQuality  :" << AQuality->dump() << endl;
+    outss << "AWear     :" << AWear->dump() << endl;
+    return outss.str();
+}
+
+
 bool ItemDesc::readItem(uint32_t itemptr, DFHack::dfh_item &item)
 {
     p->read(itemptr, sizeof(t_item), (uint8_t*)&item.base);
@@ -485,19 +553,38 @@ std::string Items::getItemClass(int32_t index)
 
 std::string Items::getItemDescription(const dfh_item & item, Materials * Materials)
 {
-    std::string out;
+    std::stringstream outss;
     switch(item.quality)
     {
-        case 0: break;
+        case 0:
-        case 1: out.append("Well crafted "); break;
+            outss << "Ordinary ";
-        case 2: out.append("Finely crafted "); break;
+            break;
-        case 3: out.append("Superior quality "); break;
+        case 1:
-        case 4: out.append("Exceptionnal "); break;
+            outss << "Well crafted ";
-        case 5: out.append("Masterful "); break;
+            break;
-        default: out.append("Crazy quality "); break;
+        case 2:
-    }
+            outss << "Finely crafted ";
-    out.append(Materials->getDescription(item.matdesc));
+            break;
-    out.append(" ");
+        case 3:
-    out.append(this->getItemClass(item.matdesc.itemType));
+            outss << "Superior quality ";
-    return out;
+            break;
+        case 4:
+            outss << "Exceptionnal ";
+            break;
+        case 5:
+            outss << "Masterful ";
+            break;
+        default: outss << "Crazy quality " << item.quality << " "; break;
+    }
+    outss << Materials->getDescription(item.matdesc) << " " << getItemClass(item.matdesc.itemType);
+    return outss.str();
+}
+
+/// dump offsets used by accessors of a valid item to a string
+std::string Items::dumpAccessors(const dfh_item & item)
+{
+    uint32_t vtable = item.base.vtable;
+    std::map< uint32_t, ItemDesc* >::const_iterator it = d->descVTable.find(vtable);
+    ItemDesc * desc = it->second;
+    return desc->dumpAccessors();
 }

tools/examples/creaturedump.cpp

@@ -212,12 +212,20 @@ void printCreature(DFHack::Context * DF, const DFHack::t_creature & creature)
             cout << Materials->raceEx[creature.race].castes[creature.caste].ColorModifier[i].part << " ";
             uint32_t color = Materials->raceEx[creature.race].castes[creature.caste].ColorModifier[i].colorlist[creature.color[i]];
             if(color<Materials->color.size())
+            {
                 cout << Materials->color[color].name << "[" 
                      << (unsigned int) (Materials->color[color].r*255) << ":"
                      << (unsigned int) (Materials->color[color].v*255) << ":"
                      << (unsigned int) (Materials->color[color].b*255) << "]";
-            else
+            }
+            else if (color < Materials->alldesc.size())
+            {
                 cout << Materials->alldesc[color].id;
+            }
+            else
+            {
+                cout << "Unknown color " << color << endl;
+            }
             if( Materials->raceEx[creature.race].castes[creature.caste].ColorModifier[i].startdate > 0 )
             {
                 if( (Materials->raceEx[creature.race].castes[creature.caste].ColorModifier[i].startdate <= dayoflife) &&
@@ -467,7 +475,7 @@ int main (int numargs, char ** args)
     Materials->ReadPlantMaterials();
     Materials->ReadCreatureTypes();
     Materials->ReadCreatureTypesEx();
-    Materials->ReadDescriptorColors();
+    //Materials->ReadDescriptorColors();
 
     if(!Tran->Start())
     {

tools/examples/dfitemdump.cpp

@@ -10,7 +10,7 @@
 #include <vector>
 #include <cstring>
 using namespace std;
-
+#define DFHACK_WANT_MISCUTILS
 #include <DFHack.h>
 #include <dfhack/DFVector.h>
 
@@ -36,12 +36,15 @@ int main ()
     DFHack::Materials * Materials = DF->getMaterials();
     Materials->ReadAllMaterials();
     
+    DFHack::Gui * Gui = DF->getGui();
+
     DFHack::Items * Items = DF->getItems();
     Items->Start();
 
     DFHack::VersionInfo * mem = DF->getMemoryInfo();
     p = DF->getProcess();
-
+    int32_t x,y,z;
+    Gui->getCursorCoords(x,y,z);
     // FIXME: tools should never be exposed to DFHack internals!
     DFHack::OffsetGroup* itemGroup = mem->getGroup("Items");
     DFHack::DfVector <uint32_t> p_items (p, itemGroup->getAddress("items_vector"));
@@ -52,6 +55,10 @@ int main ()
         DFHack::dfh_item itm;
         memset(&itm, 0, sizeof(DFHack::dfh_item));
         Items->readItem(p_items[i],itm);
+        if(x != -30000)
+        {
+            if(itm.base.x == x && itm.base.y == y && itm.base.z == z)
+            {
                 printf(
                     "%5d: %08x %08x (%d,%d,%d) #%08x [%d] %s - %s\n",
                        i, itm.origin, itm.base.flags.whole,
@@ -61,6 +68,22 @@ int main ()
                        Items->getItemClass(itm.matdesc.itemType).c_str(),
                        Items->getItemDescription(itm, Materials).c_str()
                 );
+                hexdump(DF,p_items[i],0x100);
+                cout << Items->dumpAccessors(itm) << endl;
+            }
+        }
+        else
+        {
+            printf(
+                "%5d: %08x %08x (%d,%d,%d) #%08x [%d] %s - %s\n",
+                   i, itm.origin, itm.base.flags.whole,
+                   itm.base.x, itm.base.y, itm.base.z,
+                   itm.base.vtable,
+                   itm.wear_level,
+                   Items->getItemClass(itm.matdesc.itemType).c_str(),
+                   Items->getItemDescription(itm, Materials).c_str()
+            );
+        }
     }
 /*
     printf("type\tvtable\tname\tquality\tdecorate\n");