cursor and window coords reading and writing (only for 40d16 on windows right now)

library/DFHackAPI.cpp

@@ -1105,8 +1105,8 @@ bool API::InitViewAndCursor()
 {
     
     d->window_x_offset = d->offset_descriptor->getAddress("window_x");
-    d->window_y_offset = d->offset_descriptor->getAddress("window_x");
-    d->window_z_offset = d->offset_descriptor->getAddress("window_x");
+    d->window_y_offset = d->offset_descriptor->getAddress("window_y");
+    d->window_z_offset = d->offset_descriptor->getAddress("window_z");
     d->cursor_xyz_offset = d->offset_descriptor->getAddress("cursor_xyz");
     if(d->window_x_offset && d->window_y_offset && d->window_z_offset)
     {
@@ -1119,35 +1119,40 @@ bool API::InitViewAndCursor()
     }
 }
 
-void API::getViewCoords (uint32_t &x, uint32_t &y, uint32_t &z)
+bool API::getViewCoords (int32_t &x, int32_t &y, int32_t &z)
 {
     assert(d->cursorWindowInited);
-    MreadDWord(d->window_x_offset,x);
-    MreadDWord(d->window_y_offset,y);
-    MreadDWord(d->window_z_offset,z);
+    MreadDWord(d->window_x_offset,(uint32_t &)x);
+    MreadDWord(d->window_y_offset,(uint32_t &)y);
+    MreadDWord(d->window_z_offset,(uint32_t &)z);
+    return true;
 }
 //FIXME: confine writing of coords to map bounds?
-void API::setViewCoords (const uint32_t &x, const uint32_t &y, const uint32_t &z)
+bool API::setViewCoords (const int32_t &x, const int32_t &y, const int32_t &z)
 {
     assert(d->cursorWindowInited);
-    MwriteDWord(d->window_x_offset,x);
-    MwriteDWord(d->window_y_offset,y);
-    MwriteDWord(d->window_z_offset,z);
+    MwriteDWord(d->window_x_offset,(uint32_t &)x);
+    MwriteDWord(d->window_y_offset,(uint32_t &)y);
+    MwriteDWord(d->window_z_offset,(uint32_t &)z);
+    return true;
 }
 
-void API::getCursorCoords (uint32_t &x, uint32_t &y, uint32_t &z)
+bool API::getCursorCoords (int32_t &x, int32_t &y, int32_t &z)
 {
     assert(d->cursorWindowInited);
-    uint32_t coords[3];
-    Mread(d->cursor_xyz_offset,3*sizeof(uint32_t),(uint8_t *)coords);
+    int32_t coords[3];
+    Mread(d->cursor_xyz_offset,3*sizeof(int32_t),(uint8_t *)coords);
     x = coords[0];
     y = coords[1];
     z = coords[2];
+    if(x == -30000) return false;
+    return true;
 }
 //FIXME: confine writing of coords to map bounds?
-void API::setCursorCoords (const uint32_t &x, const uint32_t &y, const uint32_t &z)
+bool API::setCursorCoords (const int32_t &x, const int32_t &y, const int32_t &z)
 {
     assert(d->cursorWindowInited);
-    uint32_t coords[3] = {x,y,z};
-    Mwrite(d->cursor_xyz_offset,3*sizeof(uint32_t),(uint8_t *)coords);
+    int32_t coords[3] = {x,y,z};
+    Mwrite(d->cursor_xyz_offset,3*sizeof(int32_t),(uint8_t *)coords);
+    return true;
 }

library/DFHackAPI.h

@@ -175,11 +175,11 @@ public:
     
     bool InitViewAndCursor();
     
-    void getViewCoords (uint32_t &x, uint32_t &y, uint32_t &z);
-    void setViewCoords (const uint32_t &x, const uint32_t &y, const uint32_t &z);
+    bool getViewCoords (int32_t &x, int32_t &y, int32_t &z);
+    bool setViewCoords (const int32_t &x, const int32_t &y, const int32_t &z);
     
-    void getCursorCoords (uint32_t &x, uint32_t &y, uint32_t &z);
-    void setCursorCoords (const uint32_t &x, const uint32_t &y, const uint32_t &z);
+    bool getCursorCoords (int32_t &x, int32_t &y, int32_t &z);
+    bool setCursorCoords (const int32_t &x, const int32_t &y, const int32_t &z);
 };
 
 } // namespace DFHack

tools/CMakeLists.txt

@@ -38,6 +38,9 @@ TARGET_LINK_LIBRARIES(dfattachtest dfhack)
 ADD_EXECUTABLE(dfmaterialtest materialtest.cpp)
 TARGET_LINK_LIBRARIES(dfmaterialtest dfhack)
 
+# materialtest - just list the first material of each type
+ADD_EXECUTABLE(dfposition position.cpp)
+TARGET_LINK_LIBRARIES(dfposition dfhack)
 
 IF(UNIX)
 install(TARGETS
@@ -50,6 +53,7 @@ dfcreaturedump
 dfattachtest
 dfmaterialtest
 dfbuildingsdump
+dfposition
 RUNTIME DESTINATION bin
 
 )

tools/position.cpp

@@ -0,0 +1,45 @@
+// Just show some position data
+
+#include <iostream>
+#include <climits>
+#include <integers.h>
+#include <vector>
+#include <ctime>
+using namespace std;
+
+#include <DFTypes.h>
+#include <DFHackAPI.h>
+
+int main (void)
+{
+    DFHack::API DF("Memory.xml");
+    if(!DF.Attach())
+    {
+        cerr << "DF not found" << endl;
+        return 1;
+    }
+
+    if (DF.InitViewAndCursor())
+    {
+        int32_t x,y,z;
+        if(DF.getViewCoords(x,y,z))
+            cout << "view coords: " << x << "/" << y << "/" << z << endl;
+        if(DF.getCursorCoords(x,y,z))
+            cout << "cursor coords: " << x << "/" << y << "/" << z << endl;
+    }
+    else
+    {
+        cerr << "cursor and window parameters are unsupported on your version of DF" << endl;
+    }
+
+    if(!DF.Detach())
+    {
+        cerr << "Can't detach from DF" << endl;
+        return 1;
+    }
+    #ifndef LINUX_BUILD
+    cout << "Done. Press any key to continue" << endl;
+    cin.ignore();
+    #endif
+    return 0;
+}