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oolite/GuiDisplayGen.m
Giles Williams 6f3ce99d6d untested merge of changes from OSX r749 
git-svn-id: http://svn.berlios.de/svnroot/repos/oolite-linux/trunk@62 127b21dd-08f5-0310-b4b7-95ae10353056
2005-05-21 08:15:49 +00:00

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//
// GuiDisplayGen.m
/*
*
* Oolite
*
* Created by Giles Williams on Sat Apr 03 2004.
* Copyright (c) 2004 for aegidian.org. All rights reserved.
*
Copyright (c) 2004, Giles C Williams
All rights reserved.
This work is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike License.
To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/2.0/
or send a letter to Creative Commons, 559 Nathan Abbott Way, Stanford, California 94305, USA.
You are free:
• to copy, distribute, display, and perform the work
• to make derivative works
Under the following conditions:
• Attribution. You must give the original author credit.
• Noncommercial. You may not use this work for commercial purposes.
• Share Alike. If you alter, transform, or build upon this work,
you may distribute the resulting work only under a license identical to this one.
For any reuse or distribution, you must make clear to others the license terms of this work.
Any of these conditions can be waived if you get permission from the copyright holder.
Your fair use and other rights are in no way affected by the above.
*/
#import "GuiDisplayGen.h"
#import "Universe.h"
#import "OpenGLSprite.h"
#import "ResourceManager.h"
@implementation GuiDisplayGen
- (id) init
{
self = [super init];
size_in_pixels = NSMakeSize( MAIN_GUI_PIXEL_WIDTH, MAIN_GUI_PIXEL_HEIGHT);
n_columns = 6;
n_rows = 24;
pixel_row_center = size_in_pixels.width / 2;
pixel_row_height = 16;
pixel_row_start = 40; // first position down the page...
pixel_text_size = NSMakeSize( 0.9 * pixel_row_height, pixel_row_height); // main gui has 18x20 characters
has_title = YES;
pixel_title_size = NSMakeSize( pixel_row_height * 1.75, pixel_row_height * 1.5);
int stops[6] = {0, 192, 256, 320, 384, 448};
int i;
rowRange = NSMakeRange(0,n_rows);
rowText = [[NSMutableArray alloc] initWithCapacity:n_rows]; // alloc retains
rowKey = [[NSMutableArray alloc] initWithCapacity:n_rows]; // alloc retains
rowColor = [[NSMutableArray alloc] initWithCapacity:n_rows]; // alloc retains
for (i = 0; i < n_rows; i++)
{
[rowText addObject:@"."];
[rowKey addObject:[NSString stringWithFormat:@"%d",i]];
[rowColor addObject:[NSColor yellowColor]];
rowPosition[i].x = 0.0;
rowPosition[i].y = size_in_pixels.height - (pixel_row_start + i * pixel_row_height);
rowAlignment[i] = GUI_ALIGN_LEFT;
}
for (i = 0; i < n_columns; i++)
{
tabStops[i] = stops[i];
}
selectedRow = 0;
selectableRange = NSMakeRange(0,0);
title = @"Test Page";
guiclick = [[ResourceManager soundNamed:@"guiclick.aiff" inFolder:@"Sounds"] retain];
backgroundImage = nil;
backgroundColor = nil;
textColor = [[NSColor yellowColor] retain];
return self;
}
- (id) initWithPixelSize:(NSSize) gui_size Columns:(int) gui_cols Rows:(int) gui_rows RowHeight:(int) gui_row_height RowStart:(int) gui_row_start Title:(NSString*) gui_title
{
self = [super init];
size_in_pixels = gui_size;
n_columns = gui_cols;
n_rows = gui_rows;
pixel_row_center = size_in_pixels.width / 2;
pixel_row_height = gui_row_height;
pixel_row_start = gui_row_start; // first position down the page...
pixel_text_size = NSMakeSize( pixel_row_height, pixel_row_height);
has_title = (gui_title != nil);
pixel_title_size = NSMakeSize( pixel_row_height * 1.75, pixel_row_height * 1.5);
int i;
rowRange = NSMakeRange(0,n_rows);
rowText = [[NSMutableArray alloc] initWithCapacity:n_rows]; // alloc retains
rowKey = [[NSMutableArray alloc] initWithCapacity:n_rows]; // alloc retains
rowColor = [[NSMutableArray alloc] initWithCapacity:n_rows]; // alloc retains
for (i = 0; i < n_rows; i++)
{
[rowText addObject:@""];
[rowKey addObject:@""];
[rowColor addObject:[NSColor greenColor]];
rowPosition[i].x = 0.0;
rowPosition[i].y = size_in_pixels.height - (pixel_row_start + i * pixel_row_height);
rowAlignment[i] = GUI_ALIGN_LEFT;
}
selectedRow = 0;
selectableRange = NSMakeRange(0,0);
title = [gui_title retain];
guiclick = [[ResourceManager soundNamed:@"guiclick.aiff" inFolder:@"Sounds"] retain];
backgroundImage = nil;
backgroundColor = nil;
textColor = [[NSColor yellowColor] retain];
return self;
}
- (void) dealloc
{
if (backgroundImage) [backgroundImage release];
if (backgroundSprite) [backgroundSprite release];
if (backgroundColor) [backgroundColor release];
if (textColor) [textColor release];
if (title) [title release];
if (rowText) [rowText release];
if (rowKey) [rowKey release];
if (rowColor) [rowColor release];
[super dealloc];
}
- (void) fadeOutFromTime:(double) now_time OverDuration:(double) duration
{
if (fade_alpha <= 0.0)
return;
fade_sign = -fade_alpha / duration;
fade_from_time = now_time;
fade_duration = duration;
}
- (GLfloat) alpha
{
return fade_alpha;
}
- (void) setAlpha:(GLfloat) an_alpha
{
fade_alpha = an_alpha;
}
- (void) setBackgroundColor:(NSColor*) color
{
if (backgroundColor) [backgroundColor release];
if (color == nil)
{
backgroundColor = nil;
return;
}
backgroundColor = [[color colorUsingColorSpaceName:NSCalibratedRGBColorSpace] retain];
}
- (void) setTextColor:(NSColor*) color
{
if (textColor) [textColor release];
if (color == nil)
{
textColor = [[NSColor yellowColor] retain];
return;
}
textColor = [[color colorUsingColorSpaceName:NSCalibratedRGBColorSpace] retain];
}
- (void) setCharacterSize:(NSSize) character_size
{
pixel_text_size = character_size;
}
- (void) click
{
#ifdef HAVE_SOUND
if ([guiclick isPlaying])
[guiclick stop];
[guiclick play];
#endif
}
- (void) setColor:(NSColor *) color forRow:(int) row
{
if ((row >= rowRange.location)&&(row < rowRange.location + rowRange.length))
[rowColor replaceObjectAtIndex:row withObject:color];
}
- (id) objectForRow:(int) row
{
if ((row >= rowRange.location)&&(row < rowRange.location + rowRange.length))
return [rowText objectAtIndex:row];
else
return NULL;
}
- (NSString*) keyForRow:(int) row
{
if ((row >= rowRange.location)&&(row < rowRange.location + rowRange.length))
return [rowKey objectAtIndex:row];
else
return NULL;
}
- (int) selectedRow
{
if ((selectedRow >= selectableRange.location) && (selectedRow < selectableRange.location+selectableRange.length))
return selectedRow;
else
return -1;
}
- (BOOL) setSelectedRow:(int) row
{
if ((row >= selectableRange.location) && (row < selectableRange.location+selectableRange.length))
{
selectedRow = row;
return YES;
}
else
return NO;
}
- (void) setNoSelectedRow
{
selectedRow = -1;
}
- (NSString *) selectedRowText
{
if ([[rowText objectAtIndex:selectedRow] isKindOfClass:[NSString class]])
return (NSString *)[rowText objectAtIndex:selectedRow];
if ([[rowText objectAtIndex:selectedRow] isKindOfClass:[NSArray class]])
return (NSString *)[[rowText objectAtIndex:selectedRow] objectAtIndex:0];
return NULL;
}
- (NSString *) selectedRowKey
{
if ((selectedRow < 0)||(selectedRow > [rowKey count]))
return nil;
else
return (NSString *)[rowKey objectAtIndex:selectedRow];
}
- (void) setShowTextCursor:(BOOL) yesno
{
showTextCursor = yesno;
}
- (void) setCurrentRow:(int) value
{
if ((value < 0)||(value >= n_rows))
{
showTextCursor = NO;
currentRow = -1;
}
else
{
currentRow = value;
}
}
- (NSRange) selectableRange
{
return selectableRange;
}
- (void) setSelectableRange:(NSRange) range
{
selectableRange = range;
}
- (void) setTabStops:(int *)stops
{
int i = 0;
for (i = 0; i < n_columns; i++)
tabStops[i] = stops[i];
}
- (void) clear
{
int i;
[self setTitle:@""];
for (i = 0; i < n_rows; i++)
{
[self setText:@"" forRow:i align:GUI_ALIGN_LEFT];
[self setColor:textColor forRow:i];
//
[self setKey:@"" forRow:i];
//
rowFadeTime[i] = 0.0;
}
[self setShowTextCursor:NO];
[self setSelectableRange:NSMakeRange(0,0)];
}
- (void) setTitle: (NSString *) str
{
if (title) [title release];
title = [str retain];
if (str)
has_title = ![str isEqual:@""];
else
title = NO;
}
- (void) setKey: (NSString *) str forRow:(int) row
{
if ((row >= rowRange.location)&&(row < rowRange.location + rowRange.length))
[rowKey replaceObjectAtIndex:row withObject:str];
}
- (void) setText: (NSString *) str forRow:(int) row
{
if ((row >= rowRange.location)&&(row < rowRange.location+rowRange.length))
{
[rowText replaceObjectAtIndex:row withObject:str];
}
}
- (void) setText: (NSString *) str forRow:(int) row align:(int) alignment
{
if ((row >= rowRange.location)&&(row < rowRange.location+rowRange.length))
{
[rowText replaceObjectAtIndex:row withObject:str];
rowAlignment[row] = alignment;
}
}
- (int) addLongText: (NSString *) str startingAtRow:(int) row align:(int) alignment
{
NSSize chSize = pixel_text_size;
NSSize strsize = rectForString( str, 0.0, 0.0, chSize).size;
if (strsize.width < size_in_pixels.width)
{
[self setText:str forRow:row align:alignment];
return row + 1;
}
else
{
NSMutableArray* words = [NSMutableArray arrayWithArray:[str componentsSeparatedByString:@" "]];
NSMutableString* string1 = [NSMutableString stringWithString:@""];
NSMutableString* string2 = [NSMutableString stringWithString:@""];
strsize.width = 0.0;
while ((strsize.width < size_in_pixels.width)&&([words count] > 0))
{
[string1 appendString:(NSString *)[words objectAtIndex:0]];
[string1 appendString:@" "];
[words removeObjectAtIndex:0];
strsize = rectForString( string1, 0.0, 0.0, chSize).size;
if ([words count] > 0)
strsize.width += rectForString( (NSString *)[words objectAtIndex:0], 0.0, 0.0, chSize).size.width;
}
[string2 appendString:[words componentsJoinedByString:@" "]];
[self setText:string1 forRow:row align:alignment];
return [self addLongText:string2 startingAtRow:row+1 align:alignment];
}
}
- (void) printLongText: (NSString *) str Align:(int) alignment Color:(NSColor*) text_color FadeTime:(float) text_fade Key:(NSString*) text_key AddToArray:(NSMutableArray*) text_array
{
// NSLog(@"GUI printing text '%@'", str);
// print a multi-line message
//
if ([str rangeOfString:@"\n"].location != NSNotFound)
{
NSArray* lines = [str componentsSeparatedByString:@"\n"];
int i;
for (i = 0; i < [lines count]; i++)
[self printLongText:(NSString *)[lines objectAtIndex:i] Align:alignment Color:text_color FadeTime:text_fade Key:text_key AddToArray:text_array];
return;
}
int row = currentRow;
if (row == n_rows - 1)
[self scrollUp:1];
NSSize chSize = pixel_text_size;
NSSize strsize = rectForString( str, 0.0, 0.0, chSize).size;
if (strsize.width < size_in_pixels.width)
{
[self setText:str forRow:row align:alignment];
if (text_color)
[self setColor:text_color forRow:row];
if (text_key)
[self setKey:text_key forRow:row];
if (text_array)
[text_array addObject:str];
rowFadeTime[row] = text_fade;
if (currentRow < n_rows - 1)
currentRow++;
}
else
{
NSMutableArray* words = [NSMutableArray arrayWithArray:[str componentsSeparatedByString:@" "]];
NSMutableString* string1 = [NSMutableString stringWithString:@""];
NSMutableString* string2 = [NSMutableString stringWithString:@""];
strsize.width = 0.0;
while ((strsize.width < size_in_pixels.width)&&([words count] > 0))
{
[string1 appendString:(NSString *)[words objectAtIndex:0]];
[string1 appendString:@" "];
[words removeObjectAtIndex:0];
strsize = rectForString( string1, 0.0, 0.0, chSize).size;
if ([words count] > 0)
strsize.width += rectForString( (NSString *)[words objectAtIndex:0], 0.0, 0.0, chSize).size.width;
}
[string2 appendString:[words componentsJoinedByString:@" "]];
[self setText:string1 forRow:row align:alignment];
if (text_color)
[self setColor:text_color forRow:row];
if (text_key)
[self setKey:text_key forRow:row];
if (text_array)
[text_array addObject:string1];
rowFadeTime[row] = text_fade;
[self printLongText:string2 Align:alignment Color:text_color FadeTime:text_fade Key:text_key AddToArray:text_array];
}
}
- (void) printLineNoScroll: (NSString *) str Align:(int) alignment Color:(NSColor*) text_color FadeTime:(float) text_fade Key:(NSString*) text_key AddToArray:(NSMutableArray*) text_array
{
[self setText:str forRow:currentRow align:alignment];
if (text_color)
[self setColor:text_color forRow:currentRow];
if (text_key)
[self setKey:text_key forRow:currentRow];
if (text_array)
[text_array addObject:str];
rowFadeTime[currentRow] = text_fade;
}
- (void) setArray: (NSArray *) arr forRow:(int) row
{
if ((row >= rowRange.location)&&(row < rowRange.length))
[rowText replaceObjectAtIndex:row withObject:arr];
}
- (void) insertItemsFromArray:(NSArray*) items WithKeys:(NSArray*) item_keys IntoRow:(int) row Color:(NSColor*) text_color
{
if (!items)
return;
if([items count] == 0)
return;
int n_items = [items count];
if ((item_keys)&&([item_keys count] != n_items))
{
// throw exception
NSException* myException = [NSException
exceptionWithName:@"ArrayLengthMismatchException"
reason:@"The NSArray sent as 'item_keys' to insertItemsFromArray::: must contain the same number of objects as the NSArray 'items'"
userInfo:nil];
[myException raise];
return;
}
int i;
for (i = n_rows; i >= row + n_items ; i--)
{
[self setKey:[self keyForRow:i - n_items] forRow:i];
id old_row_info = [self objectForRow:i - n_items];
if ([old_row_info isKindOfClass:[NSArray class]])
[self setArray:old_row_info forRow:i];
if ([old_row_info isKindOfClass:[NSString class]])
[self setText:(NSString *)old_row_info forRow:i];
}
for (i = 0; i < n_items; i++)
{
id new_row_info = [items objectAtIndex:i];
if (text_color)
[self setColor:text_color forRow: row + i];
else
[self setColor:textColor forRow: row + i];
if ([new_row_info isKindOfClass:[NSArray class]])
[self setArray:new_row_info forRow: row + i];
if ([new_row_info isKindOfClass:[NSString class]])
[self setText:(NSString *)new_row_info forRow: row + i];
if (item_keys)
[self setKey:[item_keys objectAtIndex:i] forRow: row + i];
else
[self setKey:@"" forRow: row + i];
}
}
- (void) scrollUp:(int) how_much
{
int i;
for (i = 0; i + how_much < n_rows; i++)
{
[rowText replaceObjectAtIndex:i withObject:[rowText objectAtIndex: i + how_much]];
[rowColor replaceObjectAtIndex:i withObject:[rowColor objectAtIndex: i + how_much]];
[rowKey replaceObjectAtIndex:i withObject:[rowKey objectAtIndex: i + how_much]];
rowAlignment[i] = rowAlignment[i + how_much];
rowFadeTime[i] = rowFadeTime[i + how_much];
}
for (; i < n_rows; i++)
{
[rowText replaceObjectAtIndex:i withObject:@""];
[rowColor replaceObjectAtIndex:i withObject:textColor];
[rowKey replaceObjectAtIndex:i withObject:@""];
rowAlignment[i] = GUI_ALIGN_LEFT;
rowFadeTime[i] = 0.0;
}
}
- (void) setBackgroundImage:(NSImage *) bg_image;
{
if (backgroundImage)
[backgroundImage release];
if (backgroundSprite)
[backgroundSprite release];
if (bg_image)
{
backgroundImage = [bg_image retain];
backgroundSprite = [[OpenGLSprite alloc]
initWithImage:backgroundImage
cropRectangle:NSMakeRect( 0.0, 0.0, [backgroundImage size].width, [backgroundImage size].height)
size:[backgroundImage size]]; // retained
}
else
{
backgroundImage = nil;
backgroundSprite = nil;
}
}
- (void) updateGui
{
}
- (void) drawGUI:(GLfloat) x :(GLfloat) y :(GLfloat) z :(GLfloat) alpha forUniverse:(Universe*) universe
{
if (alpha < 0.05)
return; // too dim to see!
PlayerEntity* player = (PlayerEntity*)[universe entityZero];
[self drawGLDisplay:x - 0.5 * size_in_pixels.width :y - 0.5 * size_in_pixels.height :z :alpha forUniverse:universe];
glEnable(GL_LINE_SMOOTH);
if (self == [universe gui])
{
if ([player gui_screen] == GUI_SCREEN_SHORT_RANGE_CHART)
[self drawStarChart:x - 0.5 * size_in_pixels.width :y - 0.5 * size_in_pixels.height :z :alpha forUniverse:universe];
if ([player gui_screen] == GUI_SCREEN_LONG_RANGE_CHART)
{
[self drawGalaxyChart:x - 0.5 * size_in_pixels.width :y - 0.5 * size_in_pixels.height :z :alpha forUniverse:universe];
}
}
if (fade_sign)
{
fade_alpha += fade_sign * [universe getTimeDelta];
if (fade_alpha < 0.0) // done fading out
{
fade_alpha = 0.0;
fade_sign = 0.0;
}
if (fade_alpha > 1.0) // done fading in
{
fade_alpha = 1.0;
fade_sign = 0.0;
}
}
}
- (void) drawGLDisplay:(GLfloat) x :(GLfloat) y :(GLfloat) z :(GLfloat) alpha forUniverse:(Universe*) universe
{
NSSize strsize;
int i;
double delta_t = [universe getTimeDelta];
NSSize characterSize = pixel_text_size;
NSSize titleCharacterSize = pixel_title_size;
// do backdrop
//
if (backgroundColor)
{
glColor4f( [backgroundColor redComponent], [backgroundColor greenComponent], [backgroundColor blueComponent], alpha * [backgroundColor alphaComponent]);
glBegin(GL_QUADS);
glVertex3f( x + 0.0, y + 0.0, z);
glVertex3f( x + size_in_pixels.width, y + 0.0, z);
glVertex3f( x + size_in_pixels.width, y + size_in_pixels.height, z);
glVertex3f( x + 0.0, y + size_in_pixels.height, z);
glEnd();
}
// show background image...
//
if (backgroundSprite)
{
[backgroundSprite blitCentredToX:x + 0.5 * size_in_pixels.width Y:y + 0.5 * size_in_pixels.height Z:z Alpha:alpha];
}
if ((selectedRow < selectableRange.location)||(selectedRow >= selectableRange.location + selectableRange.length))
selectedRow = -1; // out of Range;
////
// drawing operations here
if (has_title)
{
//
// draw the title
//
strsize = rectForString(title, 0.0, 0.0, titleCharacterSize).size;
glColor4f( 1.0, 0.0, 0.0, alpha); // red
drawString( title, x + pixel_row_center - strsize.width/2.0, y + size_in_pixels.height - pixel_title_size.height, z, titleCharacterSize);
// draw a horizontal divider
//
glColor4f( 0.75, 0.75, 0.75, alpha); // 75% gray
glBegin( GL_QUADS);
glVertex3f( x + 0, y + size_in_pixels.height - pixel_title_size.height + 4, z);
glVertex3f( x + size_in_pixels.width, y + size_in_pixels.height - pixel_title_size.height + 4, z);
glVertex3f( x + size_in_pixels.width, y + size_in_pixels.height - pixel_title_size.height + 2, z);
glVertex3f( x + 0, y + size_in_pixels.height - pixel_title_size.height + 2, z);
glEnd();
}
// draw each row of text
//
for (i = 0; i < n_rows; i++)
{
NSColor* row_color = [(NSColor *)[rowColor objectAtIndex:i] colorUsingColorSpaceName:NSCalibratedRGBColorSpace];
GLfloat row_alpha = alpha;
if (rowFadeTime[i] > 0.0)
{
rowFadeTime[i] -= delta_t;
if (rowFadeTime[i] < 0.0)
{
[rowText replaceObjectAtIndex:i withObject:@""];
rowFadeTime[i] = 0.0;
}
if ((rowFadeTime[i] > 0.0)&&(rowFadeTime[i] < 1.0))
row_alpha *= rowFadeTime[i];
}
glColor4f( [row_color redComponent], [row_color greenComponent], [row_color blueComponent], row_alpha);
if ([[rowText objectAtIndex:i] isKindOfClass:[NSString class]])
{
NSString* text = (NSString *)[rowText objectAtIndex:i];
if (![text isEqual:@""])
{
strsize = rectForString(text, 0.0, 0.0, characterSize).size;
switch (rowAlignment[i])
{
case GUI_ALIGN_LEFT :
rowPosition[i].x = 0.0;
break;
case GUI_ALIGN_RIGHT :
rowPosition[i].x = size_in_pixels.width - strsize.width;
break;
case GUI_ALIGN_CENTER :
rowPosition[i].x = (size_in_pixels.width - strsize.width)/2.0;
break;
}
if (i == selectedRow)
{
NSRect block = rectForString( text, x + rowPosition[i].x + 2, y + rowPosition[i].y + 2, characterSize);
glColor4f( 1.0, 0.0, 0.0, row_alpha); // red
glBegin(GL_QUADS);
glVertex3f( block.origin.x, block.origin.y, z);
glVertex3f( block.origin.x + block.size.width, block.origin.y, z);
glVertex3f( block.origin.x + block.size.width, block.origin.y + block.size.height, z);
glVertex3f( block.origin.x, block.origin.y + block.size.height, z);
glEnd();
glColor4f( 0.0, 0.0, 0.0, row_alpha); // black
}
drawString( text, x + rowPosition[i].x, y + rowPosition[i].y, z, characterSize);
// draw cursor at end of current Row
//
if ((showTextCursor)&&(i == currentRow))
{
NSRect tr = rectForString( text, 0.0, 0.0, characterSize);
NSPoint cu = NSMakePoint( x + rowPosition[i].x + tr.size.width + 0.2 * characterSize.width, y + rowPosition[i].y);
tr.origin = cu;
tr.size.width = 0.5 * characterSize.width;
GLfloat g_alpha = 0.5 * (1.0 + sin(6 * [universe getTime]));
glColor4f( 1.0, 0.0, 0.0, row_alpha * g_alpha); // red
glBegin(GL_QUADS);
glVertex3f( tr.origin.x, tr.origin.y, z);
glVertex3f( tr.origin.x + tr.size.width, tr.origin.y, z);
glVertex3f( tr.origin.x + tr.size.width, tr.origin.y + tr.size.height, z);
glVertex3f( tr.origin.x, tr.origin.y + tr.size.height, z);
glEnd();
}
}
}
if ([[rowText objectAtIndex:i] isKindOfClass:[NSArray class]])
{
int j;
NSArray* array = (NSArray *)[rowText objectAtIndex:i];
for (j = 0; ((j < [array count])&&(j < n_columns)) ; j++)
{
if ([array objectAtIndex:j])
{
NSString* text = (NSString *)[array objectAtIndex:j];
if (![text isEqual:@""])
{
rowPosition[i].x = tabStops[j];
if (i == selectedRow)
{
NSRect block = rectForString( text, x + rowPosition[i].x + 2, y + rowPosition[i].y + 2, characterSize);
glColor4f( 1.0, 0.0, 0.0, row_alpha); // red
glBegin(GL_QUADS);
glVertex3f( block.origin.x, block.origin.y, z);
glVertex3f( block.origin.x + block.size.width, block.origin.y, z);
glVertex3f( block.origin.x + block.size.width, block.origin.y + block.size.height, z);
glVertex3f( block.origin.x, block.origin.y + block.size.height, z);
glEnd();
glColor4f( 0.0, 0.0, 0.0, row_alpha); // black
}
drawString( text, x + rowPosition[i].x, y + rowPosition[i].y, z, characterSize);
}
}
}
}
}
}
- (void) drawStarChart:(GLfloat) x:(GLfloat) y:(GLfloat) z:(GLfloat) alpha forUniverse:(Universe*) universe
{
PlayerEntity* player = (PlayerEntity*)[universe entityZero];
NSPoint galaxy_coordinates = [player galaxy_coordinates];
NSPoint cursor_coordinates = [player cursor_coordinates];
NSPoint cu;
double fuel = 35.0 * [player dial_fuel];
Random_Seed g_seed;
double hcenter = size_in_pixels.width/2.0;
double vcenter = 160.0;
double hscale = 4.0 * size_in_pixels.width / 256.0;
double vscale = -4.0 * size_in_pixels.height / 512.0;
double hoffset = hcenter - galaxy_coordinates.x*hscale;
double voffset = size_in_pixels.height - pixel_title_size.height - 5 - vcenter - galaxy_coordinates.y*vscale;
int i;
NSPoint star;
if ((abs(cursor_coordinates.x-galaxy_coordinates.x)>=20)||(abs(cursor_coordinates.y-galaxy_coordinates.y)>=38))
cursor_coordinates = galaxy_coordinates; // home
// draw fuel range circle
//
glColor4f( 0.0, 1.0, 0.0, alpha); // green
glLineWidth(2.0);
cu = NSMakePoint(hscale*galaxy_coordinates.x+hoffset,vscale*galaxy_coordinates.y+voffset);
drawOval( x + cu.x, y + cu.y, z, NSMakeSize( fuel*hscale, 2*fuel*vscale), 5);
// draw stars
//
glColor4f(1.0, 1.0, 0.75, alpha); // pale yellow
clear_carry_flag();
for (i = 0; i < 256; i++)
{
g_seed = [universe systemSeedForSystemNumber:i];
int dx, dy;
float blob_size = 2.0 * ((g_seed.e & 1) + 2 + get_carry_flag());
star.x = g_seed.d * hscale + hoffset;
star.y = g_seed.b * vscale + voffset;
dx = abs(galaxy_coordinates.x - g_seed.d);
dy = abs(galaxy_coordinates.y - g_seed.b);
if ((dx < 20)&&(dy < 38))
drawFilledOval( x + star.x, y + star.y, z, NSMakeSize(blob_size,blob_size), 15);
}
// draw names
//
glColor4f(1.0, 1.0, 0.0, alpha); // yellow
for (i = 0; i < 256; i++)
{
g_seed = [universe systemSeedForSystemNumber:i];
int dx, dy;
star.x = g_seed.d * hscale + hoffset;
star.y = g_seed.b * vscale + voffset;
dx = abs(galaxy_coordinates.x - g_seed.d);
dy = abs(galaxy_coordinates.y - g_seed.b);
if ((dx < 20)&&(dy < 38))
{
NSString* p_name = [universe getSystemName:g_seed];
drawString( p_name, x + star.x, y + star.y, z, NSMakeSize(pixel_row_height,pixel_row_height));
}
}
// draw cross-hairs over current location
//
glColor4f( 0.0, 1.0, 0.0, alpha); // green
glBegin( GL_QUADS);
glVertex3f( x + cu.x - 1, y + cu.y - 14, z);
glVertex3f( x + cu.x + 1, y + cu.y - 14, z);
glVertex3f( x + cu.x + 1, y + cu.y + 14, z);
glVertex3f( x + cu.x - 1, y + cu.y + 14, z);
glVertex3f( x + cu.x - 14, y + cu.y - 1, z);
glVertex3f( x + cu.x + 14, y + cu.y - 1, z);
glVertex3f( x + cu.x + 14, y + cu.y + 1, z);
glVertex3f( x + cu.x - 14, y + cu.y + 1, z);
glEnd();
// draw cross hairs over cursor
//
glColor4f( 1.0, 0.0, 0.0, alpha); // red
cu = NSMakePoint(hscale*cursor_coordinates.x+hoffset,vscale*cursor_coordinates.y+voffset);
glBegin( GL_QUADS);
glVertex3f( x + cu.x - 1, y + cu.y - 7, z);
glVertex3f( x + cu.x + 1, y + cu.y - 7, z);
glVertex3f( x + cu.x + 1, y + cu.y + 7, z);
glVertex3f( x + cu.x - 1, y + cu.y + 7, z);
glVertex3f( x + cu.x - 7, y + cu.y - 1, z);
glVertex3f( x + cu.x + 7, y + cu.y - 1, z);
glVertex3f( x + cu.x + 7, y + cu.y + 1, z);
glVertex3f( x + cu.x - 7, y + cu.y + 1, z);
glEnd();
}
- (void) drawGalaxyChart:(GLfloat) x:(GLfloat) y:(GLfloat) z:(GLfloat) alpha forUniverse:(Universe*) universe
{
PlayerEntity* player = (PlayerEntity*)[universe entityZero];
NSPoint galaxy_coordinates = [player galaxy_coordinates];
NSPoint cursor_coordinates = [player cursor_coordinates];
double fuel = 35.0 * [player dial_fuel];
// get a list of systems marked as contract destinations
NSArray* markedDestinations = [player markedDestinations];
BOOL* systems_found = [universe systems_found];
NSPoint star, cu;
Random_Seed g_seed;
double hscale = size_in_pixels.width / 256.0;
double vscale = -1.0 * size_in_pixels.height / 512.0;
double hoffset = 0.0;
double voffset = size_in_pixels.height - pixel_title_size.height - 5;
int i;
// draw fuel range circle
//
glColor4f( 0.0, 1.0, 0.0, alpha); // green
glLineWidth(2.0);
cu = NSMakePoint(hscale*galaxy_coordinates.x+hoffset,vscale*galaxy_coordinates.y+voffset);
drawOval( x + cu.x, y + cu.y, z, NSMakeSize( fuel*hscale, 2*fuel*vscale), 5);
// draw cross-hairs over current location
//
glBegin( GL_QUADS);
glVertex3f( x + cu.x - 1, y + cu.y - 14, z);
glVertex3f( x + cu.x + 1, y + cu.y - 14, z);
glVertex3f( x + cu.x + 1, y + cu.y + 14, z);
glVertex3f( x + cu.x - 1, y + cu.y + 14, z);
glVertex3f( x + cu.x - 14, y + cu.y - 1, z);
glVertex3f( x + cu.x + 14, y + cu.y - 1, z);
glVertex3f( x + cu.x + 14, y + cu.y + 1, z);
glVertex3f( x + cu.x - 14, y + cu.y + 1, z);
glEnd();
// draw cross hairs over cursor
//
glColor4f( 1.0, 0.0, 0.0, alpha); // red
cu = NSMakePoint(hscale*cursor_coordinates.x+hoffset,vscale*cursor_coordinates.y+voffset);
glBegin( GL_QUADS);
glVertex3f( x + cu.x - 1, y + cu.y - 7, z);
glVertex3f( x + cu.x + 1, y + cu.y - 7, z);
glVertex3f( x + cu.x + 1, y + cu.y + 7, z);
glVertex3f( x + cu.x - 1, y + cu.y + 7, z);
glVertex3f( x + cu.x - 7, y + cu.y - 1, z);
glVertex3f( x + cu.x + 7, y + cu.y - 1, z);
glVertex3f( x + cu.x + 7, y + cu.y + 1, z);
glVertex3f( x + cu.x - 7, y + cu.y + 1, z);
glEnd();
// draw marks
//
glLineWidth( 1.5);
glColor4f( 1.0, 0.0, 0.0, alpha);
for (i = 0; i < 256; i++)
{
BOOL mark = [(NSNumber*)[markedDestinations objectAtIndex:i] boolValue];
if (mark)
{
star.x = [universe systemSeedForSystemNumber:i].d * hscale + hoffset;
star.y = [universe systemSeedForSystemNumber:i].b * vscale + voffset;
glBegin( GL_LINES);
glVertex3f( x + star.x - 2.5, y + star.y - 2.5, z);
glVertex3f( x + star.x + 2.5, y + star.y + 2.5, z);
glVertex3f( x + star.x - 2.5, y + star.y + 2.5, z);
glVertex3f( x + star.x + 2.5, y + star.y - 2.5, z);
glEnd();
}
}
// draw stars
//
glColor4f( 1.0, 1.0, 1.0, alpha);
glBegin( GL_QUADS);
// glPointSize(1);
for (i = 0; i < 256; i++)
{
star.x = [universe systemSeedForSystemNumber:i].d * hscale + hoffset;
star.y = [universe systemSeedForSystemNumber:i].b * vscale + voffset;
double sz = ((g_seed.e | 0x50) < 0x90) ? 0.85 : 1.5;
// drawFilledOval( x + star.x, y + star.y, z, NSMakeSize( sz * 2.0, sz * 2.0), 30);
glVertex3f( x + star.x, y + star.y + sz, z);
glVertex3f( x + star.x + sz, y + star.y, z);
glVertex3f( x + star.x, y + star.y - sz, z);
glVertex3f( x + star.x - sz, y + star.y, z);
}
glEnd();
// draw found stars and captions
//
glLineWidth( 1.5);
glColor4f( 0.0, 1.0, 0.0, alpha);
for (i = 0; i < 256; i++)
{
BOOL mark = systems_found[i];
if (mark)
{
star.x = [universe systemSeedForSystemNumber:i].d * hscale + hoffset;
star.y = [universe systemSeedForSystemNumber:i].b * vscale + voffset;
glBegin( GL_LINE_LOOP);
glVertex3f( x + star.x - 2.0, y + star.y - 2.0, z);
glVertex3f( x + star.x + 2.0, y + star.y - 2.0, z);
glVertex3f( x + star.x + 2.0, y + star.y + 2.0, z);
glVertex3f( x + star.x - 2.0, y + star.y + 2.0, z);
glEnd();
drawString([universe systemNameIndex:i] , x + star.x + 2.0, y + star.y - 10.0, z, NSMakeSize(10,10));
}
}
// draw bottom horizontal divider
//
glColor4f( 0.75, 0.75, 0.75, alpha); // 75% gray
glBegin( GL_QUADS);
glVertex3f( x + 0, y + voffset + 260.0*vscale + 0, z);
glVertex3f( x + size_in_pixels.width, y + voffset + 260.0*vscale + 0, z);
glVertex3f( x + size_in_pixels.width, y + voffset + 260.0*vscale - 2, z);
glVertex3f( x + 0, y + voffset + 260.0*vscale - 2, z);
glEnd();
}
@end
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