Added ability to set trees on fire.

library/ContextShared.cpp

@@ -17,6 +17,8 @@ DFContextShared::DFContextShared()
     // init modules
     allModules.clear();
     memset(&(s_mods), 0, sizeof(s_mods));
+    namesInited = false;
+    namesFailed = false;
 }
 
 DFContextShared::~DFContextShared()
@@ -30,6 +32,8 @@ DFContextShared::~DFContextShared()
 }
 
 bool DFContextShared::InitReadNames()
+{
+    try
     {
         OffsetGroup * OG = offset_descriptor->getGroup("name");
         name_firstname_offset = OG->getOffset("first");
@@ -38,11 +42,26 @@ bool DFContextShared::InitReadNames()
         name_parts_offset = OG->getOffset("parts_of_speech");
         name_language_offset = OG->getOffset("language");
         name_set_offset = OG->getOffset("has_name");
+    }
+    catch(exception & e)
+    {
+        namesFailed = true;
+        return false;
+    }
+    namesInited = true;
     return true;
 }
 
 void DFContextShared::readName(t_name & name, uint32_t address)
 {
+    if(namesFailed)
+    {
+        return;
+    }
+    if(!namesInited)
+    {
+        if(!InitReadNames()) return;
+    }
     p->readSTLString(address + name_firstname_offset , name.first_name, 128);
     p->readSTLString(address + name_nickname_offset , name.nickname, 128);
     p->read(address + name_words_offset, 7*4, (uint8_t *)name.words);

library/DFTypes_C.cpp

@@ -84,7 +84,7 @@ int (*alloc_feature_buffer_callback)(t_feature**, uint32_t) = NULL;
 int (*alloc_hotkey_buffer_callback)(t_hotkey**, uint32_t) = NULL;
 int (*alloc_screen_buffer_callback)(t_screen**, uint32_t) = NULL;
 
-int (*alloc_tree_buffer_callback)(t_tree**, uint32_t) = NULL;
+int (*alloc_tree_buffer_callback)(dfh_plant**, uint32_t) = NULL;
 
 int (*alloc_memrange_buffer_callback)(t_memrange**, uint32_t*, uint32_t) = NULL;
 
@@ -115,7 +115,7 @@ REG_MACRO(MatglossOther, t_matglossOther**, alloc_matgloss_other_buffer_callback
 REG_MACRO(Feature, t_feature**, alloc_feature_buffer_callback)
 REG_MACRO(Hotkey, t_hotkey**, alloc_hotkey_buffer_callback)
 REG_MACRO(Screen, t_screen**, alloc_screen_buffer_callback)
-REG_MACRO(Tree, t_tree**, alloc_tree_buffer_callback)
+REG_MACRO(Tree, dfh_plant**, alloc_tree_buffer_callback)
 REG_MACRO(CustomWorkshop, t_customWorkshop**, alloc_customWorkshop_buffer_callback)
 REG_MACRO(Material, t_material**, alloc_material_buffer_callback)
 

library/include/dfhack-c/DFTypes_C.h

@@ -59,7 +59,7 @@ DFHACK_EXPORT extern int (*alloc_feature_buffer_callback)(t_feature**, uint32_t)
 DFHACK_EXPORT extern int (*alloc_hotkey_buffer_callback)(t_hotkey**, uint32_t);
 DFHACK_EXPORT extern int (*alloc_screen_buffer_callback)(t_screen**, uint32_t);
 
-DFHACK_EXPORT extern int (*alloc_tree_buffer_callback)(t_tree**, uint32_t);
+DFHACK_EXPORT extern int (*alloc_tree_buffer_callback)(dfh_plant**, uint32_t);
 
 DFHACK_EXPORT extern int (*alloc_memrange_buffer_callback)(t_memrange**, uint32_t*, uint32_t);
 
@@ -81,7 +81,7 @@ DFHACK_EXPORT void RegisterFeatureBufferCallback(int (*funcptr)(t_feature**, uin
 DFHACK_EXPORT void RegisterHotkeyBufferCallback(int (*funcptr)(t_hotkey**, uint32_t));
 DFHACK_EXPORT void RegisterScreenBufferCallback(int (*funcptr)(t_screen**, uint32_t));
 
-DFHACK_EXPORT void RegisterTreeBufferCallback(int (*funcptr)(t_tree**, uint32_t));
+DFHACK_EXPORT void RegisterTreeBufferCallback(int (*funcptr)(dfh_plant**, uint32_t));
 
 DFHACK_EXPORT void RegisterMemRangeBufferCallback(int (*funcptr)(t_memrange**, uint32_t*, uint32_t));
 

library/include/dfhack-c/modules/Maps_C.h

@@ -93,7 +93,7 @@ typedef struct
 
 DFHACK_EXPORT int Maps_ReadAllVeins(DFHackObject* maps, uint32_t x, uint32_t y, uint32_t z, c_allveins* vein_struct);
 
-DFHACK_EXPORT t_tree* Maps_ReadVegetation(DFHackObject* maps, uint32_t x, uint32_t y, uint32_t z);
+DFHACK_EXPORT dfh_plant* Maps_ReadVegetation(DFHackObject* maps, uint32_t x, uint32_t y, uint32_t z);
 
 #ifdef __cplusplus
 }

library/include/dfhack-c/modules/Vegetation_C.h

@@ -36,7 +36,7 @@ extern "C" {
 DFHACK_EXPORT int Vegetation_Start(DFHackObject* veg, uint32_t* numTrees);
 DFHACK_EXPORT int Vegetation_Finish(DFHackObject* veg);
 
-DFHACK_EXPORT int Vegetation_Read(DFHackObject* veg, const uint32_t index, t_tree* shrubbery);
+DFHACK_EXPORT int Vegetation_Read(DFHackObject* veg, const uint32_t index, dfh_plant* shrubbery);
 
 #ifdef __cplusplus
 }

library/include/dfhack/modules/Maps.h

@@ -638,7 +638,7 @@ namespace DFHack
                        std::vector<t_worldconstruction>* constructions = 0
                       );
         /// read all plants in this block
-        bool ReadVegetation(uint32_t x, uint32_t y, uint32_t z, std::vector<t_tree>* plants);
+        bool ReadVegetation(uint32_t x, uint32_t y, uint32_t z, std::vector<dfh_plant>* plants);
         private:
         struct Private;
         Private *d;

library/include/dfhack/modules/Vegetation.h

@@ -8,12 +8,13 @@
 
 #include "dfhack/DFExport.h"
 #include "dfhack/DFModule.h"
+#include "dfhack/DFTypes.h"
 namespace DFHack
 {
     /**
      * \ingroup grp_vegetation
      */
-    struct t_tree
+    struct t_plant
     {
         // +0x3C
         #pragma pack(push, 1)
@@ -36,13 +37,24 @@ namespace DFHack
         uint32_t unknown_1; // +0x48
         uint16_t temperature_1; // +0x4C
         uint16_t temperature_2; // +0x4E - maybe fraction?
-        uint32_t mystery_flag; // 0x50: yes, just one
+        uint32_t is_burning; // 0x50: yes, just one flag
-        uint32_t unknown_2; // 0x54
+        uint32_t hitpoints; // 0x54
         uint32_t unknown_3; // 0x58
         // a vector is here
+    };
+    /**
+     * Plant object read from the game
+     * \ingroup grp_vegetation
+     */
+    struct dfh_plant
+    {
+        /// name of the plant
+        t_name name;
+        /// data with static size/address
+        t_plant sdata;
+        /// address where the plant was read from
         uint32_t address;
     };
-
     class DFContextShared;
     /**
      * The Vegetation module
@@ -55,7 +67,8 @@ namespace DFHack
         Vegetation(DFContextShared * d);
         ~Vegetation();
         bool Start(uint32_t & numTrees);
-        bool Read (const uint32_t index, t_tree & shrubbery);
+        bool Read (const uint32_t index, dfh_plant & shrubbery);
+        bool Write (dfh_plant & shrubbery);
         bool Finish();
 
         private:

library/modules/Maps.cpp

@@ -1210,7 +1210,7 @@ bool Maps::ReadGlobalFeatures( std::vector <t_feature> & features)
     return false;
 }
 
-bool Maps::ReadVegetation(uint32_t x, uint32_t y, uint32_t z, std::vector<t_tree>* plants)
+bool Maps::ReadVegetation(uint32_t x, uint32_t y, uint32_t z, std::vector<dfh_plant>* plants)
 {
     if(!d->hasVeggies || !d->Started)
         return false;
@@ -1218,14 +1218,15 @@ bool Maps::ReadVegetation(uint32_t x, uint32_t y, uint32_t z, std::vector<t_tree
     if(!addr)
         return false;
 
-    t_tree shrubbery;
+    dfh_plant shrubbery;
     plants->clear();
 
     Private::t_offsets &off = d->offsets;
     DfVector<uint32_t> vegptrs(d->owner, addr + off.vegvector);
     for(size_t i = 0; i < vegptrs.size(); i++)
     {
-        d->owner->read (vegptrs[i] + off.tree_desc_offset, sizeof (t_tree), (uint8_t *) &shrubbery);
+        d->d->readName(shrubbery.name,vegptrs[i]);
+        d->owner->read (vegptrs[i] + off.tree_desc_offset, sizeof (t_plant), (uint8_t *) &shrubbery.sdata);
         shrubbery.address = vegptrs[i];
         plants->push_back(shrubbery);
     }

library/modules/Maps_C.cpp

@@ -31,6 +31,7 @@ using namespace std;
 
 #include "dfhack-c/DFTypes_C.h"
 #include "dfhack-c/modules/Maps_C.h"
+#include <string.h>
 
 #ifdef __cplusplus
 extern "C" {
@@ -672,27 +673,26 @@ int Maps_ReadAllVeins(DFHackObject* maps, uint32_t x, uint32_t y, uint32_t z, c_
 	return -1;
 }
 
-t_tree* Maps_ReadVegetation(DFHackObject* maps, uint32_t x, uint32_t y, uint32_t z)
+//FIXME: doesn't copy out the address and name variables!
+dfh_plant* Maps_ReadVegetation(DFHackObject* maps, uint32_t x, uint32_t y, uint32_t z)
 {
     if(maps == NULL)
         return NULL;
     else
     {
-		std::vector<t_tree> plants;
+        std::vector<dfh_plant> plants;
+        dfh_plant* buf = NULL;
         bool result = ((DFHack::Maps*)maps)->ReadVegetation(x, y, z, &plants);
-		t_tree* buf = NULL;
-		
         if(!result || plants.size() <= 0)
+        {
             return NULL;
+        }
         else
         {
             ((*alloc_tree_buffer_callback)(&buf, plants.size()));
-			
             if(buf == NULL)
                 return NULL;
-			
             copy(plants.begin(), plants.end(), buf);
-			
             return buf;
         }
     }

library/modules/Vegetation.cpp

@@ -88,18 +88,28 @@ bool Vegetation::Start(uint32_t & numplants)
 }
 
 
-bool Vegetation::Read (const uint32_t index, t_tree & shrubbery)
+bool Vegetation::Read (const uint32_t index, dfh_plant & shrubbery)
 {
     if(!d->Started)
         return false;
     // read pointer from vector at position
     uint32_t temp = d->p_veg->at (index);
     // read from memory
-    d->owner->read (temp + d->tree_desc_offset, sizeof (t_tree), (uint8_t *) &shrubbery);
+    d->d->readName(shrubbery.name,temp);
+    d->owner->read (temp + d->tree_desc_offset, sizeof (t_plant), (uint8_t *) &shrubbery.sdata);
     shrubbery.address = temp;
     return true;
 }
 
+bool Vegetation::Write (dfh_plant & shrubbery)
+{
+    if(!d->Started)
+        return false;
+    d->owner->write (shrubbery.address + d->tree_desc_offset, sizeof (t_plant), (uint8_t *) &shrubbery.sdata);
+    return true;
+}
+
+
 bool Vegetation::Finish()
 {
     if(d->p_veg)

library/modules/Vegetation_C.cpp

@@ -57,7 +57,7 @@ int Vegetation_Finish(DFHackObject* veg)
 	return -1;
 }
 
-int Vegetation_Read(DFHackObject* veg, const uint32_t index, t_tree* shrubbery)
+int Vegetation_Read(DFHackObject* veg, const uint32_t index, dfh_plant* shrubbery)
 {
     if(veg != NULL)
     {

library/private/ContextShared.h

@@ -66,6 +66,7 @@ namespace DFHack
         uint32_t name_language_offset;
         uint32_t name_set_offset;
         bool namesInited;
+        bool namesFailed;
 
         ProcessEnumerator* pm;
         Process* p;

tools/examples/treedump.cpp

@@ -26,31 +26,31 @@ using namespace std;
         // a vector is here
         uint32_t address;
         */
-void print_tree( DFHack::Context * DF , DFHack::t_tree & tree)
+void print_tree( DFHack::Context * DF , DFHack::dfh_plant & tree)
 {
     DFHack::Materials * mat = DF->getMaterials();
-
+    DFHack::t_plant & tdata = tree.sdata;
-    printf("%d:%d = ",tree.type,tree.material);
+    printf("%d:%d = ",tdata.type,tdata.material);
-    if(tree.type == 1 || tree.type == 3)
+    if(tdata.watery)
     {
         cout << "near-water ";
     }
-    cout << mat->organic[tree.material].id << " ";
+    cout << mat->organic[tdata.material].id << " ";
-    if(tree.type == 0 || tree.type == 1)
+    if(!tdata.is_shrub)
     {
         cout << "tree";
     }
-    if(tree.type == 2 || tree.type == 3)
+    else
     {
         cout << "shrub";
     }
     cout << endl;
-    printf("unknown_1: 0x%08x\n", tree.unknown_1);
+    printf("unknown_1: 0x%08x\n", tdata.unknown_1);
-    printf("temperature_1: %d\n", tree.temperature_1);
+    printf("temperature_1: %d\n", tdata.temperature_1);
-    printf("temperature_2: %d\n", tree.temperature_2);
+    printf("temperature_2: %d\n", tdata.temperature_2);
-    printf("mystery_flag: %d\n", tree.mystery_flag);
+    printf("On fire: %d\n", tdata.is_burning);
-    printf("unknown_2: 0x%08x\n", tree.unknown_2);
+    printf("hitpoints: 0x%08x\n", tdata.hitpoints);
-    printf("unknown_3: 0x%08x\n", tree.unknown_3);
+    printf("unknown_3: 0x%08x\n", tdata.unknown_3);
     printf("Address: 0x%x\n", tree.address);
     hexdump(DF,tree.address,13*16);
 }
@@ -97,9 +97,9 @@ int main (int numargs, const char ** args)
         cout << "----==== Trees ====----" << endl;
         for(uint32_t i =0; i < numVegs; i++)
         {
-            DFHack::t_tree tree;
+            DFHack::dfh_plant tree;
             v->Read(i,tree);
-            printf("%d/%d/%d, %d:%d\n",tree.x,tree.y,tree.z,tree.type,tree.material);
+            printf("%d/%d/%d, %d:%d\n",tree.sdata.x,tree.sdata.y,tree.sdata.z,tree.sdata.type,tree.sdata.material);
         }
     }
     else
@@ -107,14 +107,14 @@ int main (int numargs, const char ** args)
         // new method, gets the vector of trees in a block. can show farm plants
         if(mps->Start())
         {
-            vector<DFHack::t_tree> alltrees;
+            vector<DFHack::dfh_plant> alltrees;
             if(mps->ReadVegetation(x/16,y/16,z,&alltrees))
             {
                 for(int i = 0 ; i < alltrees.size(); i++)
                 {
-                    DFHack::t_tree & tree = alltrees[i];
+                    DFHack::dfh_plant & tree = alltrees[i];
                     // you could take the tree coords from the struct and % them with 16 for use in loops over the whole block
-                    if(tree.x == x && tree.y == y && tree.z == z)
+                    if(tree.sdata.x == x && tree.sdata.y == y && tree.sdata.z == z)
                     {
                         cout << "----==== Tree at "<< x << "/" << y << "/" << z << " ====----" << endl;
                         print_tree(DF, tree);
@@ -126,9 +126,9 @@ int main (int numargs, const char ** args)
         // old method, gets the tree from the global vegetation vector. can't show farm plants
         for(uint32_t i =0; i < numVegs; i++)
         {
-            DFHack::t_tree tree;
+            DFHack::dfh_plant tree;
             v->Read(i,tree);
-            if(tree.x == x && tree.y == y && tree.z == z)
+            if(tree.sdata.x == x && tree.sdata.y == y && tree.sdata.z == z)
             {
                 cout << "----==== Tree at "<< dec << x << "/" << y << "/" << z << " ====----" << endl;
                 print_tree(DF, tree);

tools/playground/CMakeLists.txt

@@ -19,6 +19,9 @@ ENDIF()
 # a creature mood dump hack. has hardcoded offsets
 DFHACK_TOOL(dfmoodump moodump.cpp)
 
+# burn trees to ashes
+DFHACK_TOOL(dfimmolate immolate.cpp)
+
 # bauxite - turn all mechanisms into bauxite mechanisms
 # Author: Alex Legg
 # FIXME: turned off. there is no reliable Items module.

tools/supported/prospector.cpp

@@ -23,7 +23,7 @@ typedef std::vector< pair<int16_t, unsigned int> > MatSorter;
 typedef std::vector<DFHack::t_feature> FeatureList;
 typedef std::vector<DFHack::t_feature*> FeatureListPointer;
 typedef std::map<DFHack::DFCoord, FeatureListPointer> FeatureMap;
-typedef std::vector<DFHack::t_tree> PlantList;
+typedef std::vector<DFHack::dfh_plant> PlantList;
 
 bool parseOptions(int argc, char **argv, bool &showHidden, bool &showPlants,
                   bool &showSlade, bool &showTemple)
@@ -316,15 +316,15 @@ int main(int argc, char *argv[])
                     {
                         for (PlantList::const_iterator it = plants.begin(); it != plants.end(); it++)
                         {
-                            DFHack::t_tree plant = *it;
+                            const DFHack::t_plant & plant = (*it).sdata;
                             DFHack::DFCoord loc(plant.x, plant.y);
                             loc = loc % 16;
                             if (showHidden || !b->DesignationAt(loc).bits.hidden)
                             {
                                 if(plant.is_shrub)
-                                    plantMats[it->material]++;
+                                    plantMats[plant.material]++;
                                 else
-                                    treeMats[it->material]++;
+                                    treeMats[plant.material]++;
                             }
                         }
                     }