Initial source commit

gamma256/gameSource/score.cpp

@@ -0,0 +1,110 @@
+#include "score.h"
+#include "common.h"
+
+
+#include "minorGems/util/stringUtils.h"
+#include "minorGems/graphics/Image.h"
+
+
+
+Image *numeralImage;
+int numeralW = 3;
+int numeralH = 4;
+
+int imagePixelCount;
+
+double *numeralRed;
+double *numeralGreen;
+double *numeralBlue;
+
+Uint32 *numeralARGB;
+
+
+
+void initScore() {
+    numeralImage =  readTGA( "numerals.tga" );
+    
+    imagePixelCount = numeralImage->getWidth() * numeralImage->getHeight();
+    
+    numeralRed =  new double[ imagePixelCount ];
+    numeralGreen =  new double[ imagePixelCount ];
+    numeralBlue =  new double[ imagePixelCount ];
+    
+    numeralARGB = new Uint32[ imagePixelCount ];
+    
+    for( int i=0; i<imagePixelCount; i++ ) {
+        numeralRed[i] = 255 * numeralImage->getChannel(0)[ i ];
+        numeralGreen[i] = 255 * numeralImage->getChannel(1)[ i ];
+        numeralBlue[i] = 255 * numeralImage->getChannel(2)[ i ];
+        
+        unsigned char r = 
+            (unsigned char)( 
+                numeralRed[ i ] );
+    
+        unsigned char g = 
+            (unsigned char)( 
+                numeralGreen[ i ] );
+        
+        unsigned char b = 
+            (unsigned char)( 
+                numeralBlue[ i ] );
+            
+        numeralARGB[i] = r << 16 | g << 8 | b;
+        }
+    }
+
+
+
+int getScoreHeight() {
+    return numeralH;
+    }
+
+
+
+void drawScore( Uint32 *inImage, int inWidth, int inHeight, int inScore ) {
+    
+    char *scoreString = autoSprintf( "%d", inScore );
+    
+    int numDigits = strlen( scoreString );
+    
+    int xPosition = inWidth - numDigits * ( numeralW + 1 );
+    
+    for( int i=0; i<numDigits; i++ ) {
+        char digit = scoreString[i];
+        
+        int digitNumber = digit - '0';
+        
+        for( int y=0; y<numeralH; y++ ) {
+            int numeralY = y + digitNumber * ( numeralH + 1 );
+            
+            for( int x=0; x<numeralW; x++ ) {
+                int imageX = x + xPosition;
+                
+                // copy pixels
+                inImage[ y * inWidth + imageX ] =
+                    numeralARGB[ numeralY * numeralW + x ];
+                }
+            }
+        
+        xPosition += numeralW + 1;
+        }
+    
+
+    delete [] scoreString;
+    
+
+    }
+
+
+
+void destroyScore() {
+    delete numeralImage;
+    
+    
+    delete [] numeralRed;
+    delete [] numeralGreen;
+    delete [] numeralBlue;
+
+    delete [] numeralARGB;
+    
+    }