1 files changed, 111 insertions, 0 deletions
diff --git a/matchblox/C_Box.cpp b/matchblox/C_Box.cpp
new file mode 100644
index 0000000..9bde3ff
--- /dev/null
+++ b/matchblox/C_Box.cpp
@@ -0,0 +1,111 @@
+#include <GL/glut.h>
+#include <math.h>
+
+#include "C_Box.h"
+#include "typedefs.h"
+
+C_Box::C_Box(const char *f_strFileName,
+        GLuint f_uiTexture,
+        MatProps_t f_Mat,
+        int f_iTilesX, int f_iTilesY,
+        C_3DObject *f_pTiles[5])
+: C_3DObject(f_strFileName, f_uiTexture, f_Mat),
+  m_pTiles(f_pTiles), m_iTilesX(f_iTilesX),
+  m_iTilesY(f_iTilesY)
+{
+  m_iNumTiles = m_iTilesX * m_iTilesY;
+  //create a new tiles layout array
+  m_iTilesLayout = new int[m_iNumTiles];
+
+  //calculate the tile size (this should be the same
+  //for all tile types)
+  BoundingBox_t l_BBox = m_pTiles[0]->GetBoundingBox();
+  m_dTileSize = l_BBox.m_dRight - l_BBox.m_dLeft;
+
+  //calculate the lower left tile position (in xz plane)
+  m_LowLeftTilePos = Vect3D_t(-m_dTileSize * (double)(m_iTilesX-1)/2.0,
+                              0.0,
+                              m_dTileSize * (double)(m_iTilesY-1)/2.0);
+}
+
+C_Box::~C_Box()
+{
+  delete [] m_iTilesLayout;
+}
+
+void C_Box::RandomizeTiles()
+{
+  int l_iNumTiles = m_iTilesX * m_iTilesY;
+
+  //first set the layout to all tiles with no hole
+  for (int i=0; i<l_iNumTiles; i++)
+    m_iTilesLayout[i] = 4;
+
+  //add the four hole tiles 
+  for (int i=0; i<4; i++)
+  {
+    //generate a random number in the range
+    //0 - (l_iNumTiles-1)
+    int pos = rand() % l_iNumTiles;
+
+    //skip position in which we already inserted a hole
+    //type tile (type 4)
+    while (m_iTilesLayout[pos] != 4)
+      pos = (pos+1) % l_iNumTiles;
+    
+    //insert the hole tile in the free spot
+    m_iTilesLayout[pos] = i;
+
+    //set the position for the hole tile relative to the box its position
+    int col = pos % m_iTilesX;
+    int row = pos / m_iTilesX;
+
+    m_pTiles[i]->SetPos(m_LowLeftTilePos.x + (double)col * m_dTileSize,
+                        0.0,
+                        m_LowLeftTilePos.z - (double)row * m_dTileSize);
+  }
+}
+
+void C_Box::Render()
+{
+  //
+  glPushMatrix();
+  
+  //apply transformation for box
+  TransRotateScale();
+
+  //render the box
+  C_3DObject::Render();
+
+
+  //render the tiles
+  for(int x=0; x<m_iTilesX; x++)
+    for(int y=0; y<m_iTilesY; y++)
+    {
+      int l_iTileIndex = m_iTilesLayout[x + y*m_iTilesX];
+      //check the tile
+      if (l_iTileIndex >= 0 && l_iTileIndex <= 3)
+      {
+        //tile with a hole
+        glPushMatrix();
+          m_pTiles[l_iTileIndex]->TransRotateScale();
+          m_pTiles[l_iTileIndex]->Render();
+        glPopMatrix();
+      }
+      else
+      {
+        //tile without a hole
+        //set the position
+        m_pTiles[4]->SetPos(m_LowLeftTilePos.x + (double)x * m_dTileSize,
+                            0.0,
+                            m_LowLeftTilePos.z - (double)y * m_dTileSize);
+        glPushMatrix();
+          m_pTiles[4]->TransRotateScale();
+          m_pTiles[4]->Render();
+        glPopMatrix();
+      }
+    }
+
+  glPopMatrix();    
+}
+