src/ScoreBubble.m

   1 //
   2 //  ScoreBubble.m
   3 //  jeweltoy
   4 //
   5 //  Created by Mike Wessler on Sat Jun 15 2002.
   6 //
   7 /*
   8  This program is free software; you can redistribute it and/or
   9  modify it under the terms of the GNU General Public License
  10  as published by the Free Software Foundation; either version 2
  11  of the License, or (at your option) any later version.
  12
  13  This program is distributed in the hope that it will be useful,
  14  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  GNU General Public License for more details.
  17
  18  You should have received a copy of the GNU General Public License
  19  along with this program; if not, write to the Free Software
  20  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  21  ----====----====----====----====----====----====----====----====----====---- */
  22
  23 #import "ScoreBubble.h"
  24
  25 #import "OpenGLSprite.h"
  26
  27 NSMutableDictionary *stringAttributes;
  28
  29 // Open GL Z value for scorebubbles
  30 #define SCOREBUBBLE_SPRITE_Z    -0.30
  31
  32 @implementation ScoreBubble
  33
  34 @synthesize _value;
  35 @synthesize _animationCount;
  36
  37 + (ScoreBubble *)scoreWithValue:(int)value at:(NSPoint)location duration:(int)count
  38 {
  39   // FIXME: possible bug, is it [self alloc] or [[self class] alloc]???
  40   ScoreBubble *scoreBubble = [[self alloc] initWithValue:value
  41                                                       At:location
  42                                                 Duration:count];
  43   return [scoreBubble autorelease];
  44 }
  45
  46 -(id)initWithValue:(int)value At:(NSPoint)loc Duration:(int)count
  47 {
  48     NSString *str= [NSString stringWithFormat:@"%d", value];
  49     NSSize strsize;
  50   self = [super init];
  51     if (self != nil) {
  52         if (!stringAttributes) {
  53             stringAttributes= [NSMutableDictionary dictionaryWithObjectsAndKeys:[NSFont fontWithName:@"ArialNarrow-Bold" size:18],
  54                 NSFontAttributeName, [NSColor blackColor], NSForegroundColorAttributeName, NULL];
  55             [stringAttributes retain];
  56         }
  57         strsize= [str sizeWithAttributes:stringAttributes];
  58         strsize.width+= 3;
  59         strsize.height+=1;
  60         _value= value;
  61         screenLocation= loc;
  62         screenLocation.x-=strsize.width/2;
  63         screenLocation.y-=strsize.height/2;
  64         _animationCount= count;
  65         image= [[NSImage alloc] initWithSize:strsize];
  66         [image lockFocus];
  67         [stringAttributes setObject:[NSColor blackColor] forKey:NSForegroundColorAttributeName];
  68         [str drawAtPoint:NSMakePoint(2,0) withAttributes:stringAttributes];
  69         [stringAttributes setObject:[NSColor yellowColor] forKey:NSForegroundColorAttributeName];
  70         [str drawAtPoint:NSMakePoint(1,1) withAttributes:stringAttributes];
  71         [image unlockFocus];
  72
  73         // Open GL
  74         //
  75         sprite = [[OpenGLSprite alloc] initWithImage:image
  76                                        cropRectangle:NSMakeRect(0, 0, [image size].width, [image size].height)
  77                                                 size:[image size]];
  78         //
  79     }
  80     return self;
  81 }
  82
  83 - (void)dealloc
  84 {
  85   [image release];
  86   [sprite release];
  87
  88   [super dealloc];
  89 }
  90
  91 -(void)drawImage
  92 {
  93     float alpha= (float)_animationCount/20;
  94     if (alpha>1) {
  95         alpha= 1;
  96     }
  97     [image compositeToPoint:screenLocation operation:NSCompositeSourceOver fraction:alpha];
  98 }
  99
 100 -(void)drawSprite
 101 {
 102     float alpha= (float)_animationCount/20;
 103     if (alpha>1) {
 104         alpha= 1;
 105     }
 106     [sprite blitToX:screenLocation.x
 107                   Y:screenLocation.y
 108                   Z:SCOREBUBBLE_SPRITE_Z
 109               Alpha:alpha];
 110 }
 111
 112 -(int)animate
 113 {
 114   if (_animationCount > 0) {
 115     screenLocation.y++;
 116     _animationCount--;
 117   }
 118
 119   return _animationCount;
 120 }
 121
 122 -(NSImage *)image
 123 {
 124     return image;
 125 }
 126
 127 -(NSPoint)screenLocation
 128 {
 129     return screenLocation;
 130 }
 131
 132 @end