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/* Project Starshatter 4.5
Destroyer Studios LLC
Copyright © 1997-2004. All Rights Reserved.
SUBSYSTEM: Stars.exe
FILE: DisplayView.cpp
AUTHOR: John DiCamillo
OVERVIEW
========
View class for Quantum Destination HUD Overlay
*/
#include "MemDebug.h"
#include "DisplayView.h"
#include "QuantumDrive.h"
#include "HUDView.h"
#include "Ship.h"
#include "Element.h"
#include "Sim.h"
#include "StarSystem.h"
#include "FormatUtil.h"
#include "Color.h"
#include "Window.h"
#include "Video.h"
#include "Screen.h"
#include "DataLoader.h"
#include "Scene.h"
#include "Font.h"
#include "FontMgr.h"
#include "Keyboard.h"
#include "Mouse.h"
#include "Game.h"
#include "Menu.h"
// +====================================================================+
class DisplayElement
{
public:
static const char* TYPENAME() { return "DisplayElement"; }
DisplayElement() : image(0), font(0), blend(0), hold(0), fade_in(0), fade_out(0) { }
Text text;
Bitmap* image;
Font* font;
Color color;
Rect rect;
int blend;
double hold;
double fade_in;
double fade_out;
};
// +====================================================================+
DisplayView* display_view = 0;
DisplayView::DisplayView(Window* c)
: View(c), width(0), height(0), xcenter(0), ycenter(0)
{
display_view = this;
DisplayView::OnWindowMove();
}
DisplayView::~DisplayView()
{
if (display_view == this)
display_view = 0;
elements.destroy();
}
DisplayView*
DisplayView::GetInstance()
{
if (display_view == 0)
display_view = new DisplayView(0);
return display_view;
}
void
DisplayView::OnWindowMove()
{
if (window) {
width = window->Width();
height = window->Height();
xcenter = (width / 2.0) - 0.5;
ycenter = (height / 2.0) + 0.5;
}
}
// +--------------------------------------------------------------------+
void
DisplayView::Refresh()
{
ListIter<DisplayElement> iter = elements;
while (++iter) {
DisplayElement* elem = iter.value();
// convert relative rect to window rect:
Rect elem_rect = elem->rect;
if (elem_rect.x == 0 && elem_rect.y == 0 && elem_rect.w == 0 && elem_rect.h == 0) {
// stretch to fit
elem_rect.w = width;
elem_rect.h = height;
}
else if (elem_rect.w < 0 && elem_rect.h < 0) {
// center image in window
elem_rect.w *= -1;
elem_rect.h *= -1;
elem_rect.x = (width - elem_rect.w)/2;
elem_rect.y = (height - elem_rect.h)/2;
}
else {
// offset from right or bottom
if (elem_rect.x < 0) elem_rect.x += width;
if (elem_rect.y < 0) elem_rect.y += height;
}
// compute current fade,
// assumes fades are 1 second or less:
double fade = 0;
if (elem->fade_in > 0) fade = 1 - elem->fade_in;
else if (elem->hold > 0) fade = 1;
else if (elem->fade_out > 0) fade = elem->fade_out;
// draw text:
if (elem->text.length() && elem->font) {
elem->font->SetColor(elem->color);
elem->font->SetAlpha(fade);
window->SetFont(elem->font);
window->DrawText(elem->text, elem->text.length(), elem_rect, DT_WORDBREAK);
}
// draw image:
else if (elem->image) {
window->FadeBitmap( elem_rect.x,
elem_rect.y,
elem_rect.x + elem_rect.w,
elem_rect.y + elem_rect.h,
elem->image,
elem->color * fade,
elem->blend );
}
}
}
// +--------------------------------------------------------------------+
void
DisplayView::ExecFrame()
{
double seconds = Game::GUITime();
ListIter<DisplayElement> iter = elements;
while (++iter) {
DisplayElement* elem = iter.value();
if (elem->fade_in > 0)
elem->fade_in -= seconds;
else if (elem->hold > 0)
elem->hold -= seconds;
else if (elem->fade_out > 0)
elem->fade_out -= seconds;
else
delete iter.removeItem();
}
}
// +--------------------------------------------------------------------+
void
DisplayView::ClearDisplay()
{
elements.destroy();
}
// +--------------------------------------------------------------------+
void
DisplayView::AddText( const char* text,
Font* font,
Color color,
const Rect& rect,
double hold,
double fade_in,
double fade_out)
{
DisplayElement* elem = new(__FILE__,__LINE__) DisplayElement;
if (fade_in == 0 && fade_out == 0 && hold == 0)
hold = 300;
elem->text = text;
elem->font = font;
elem->color = color;
elem->rect = rect;
elem->hold = hold;
elem->fade_in = fade_in;
elem->fade_out = fade_out;
elements.append(elem);
}
void
DisplayView::AddImage(Bitmap* bmp,
Color color,
int blend,
const Rect& rect,
double hold,
double fade_in,
double fade_out)
{
DisplayElement* elem = new(__FILE__,__LINE__) DisplayElement;
if (fade_in == 0 && fade_out == 0 && hold == 0)
hold = 300;
elem->image = bmp;
elem->rect = rect;
elem->color = color;
elem->blend = blend;
elem->hold = hold;
elem->fade_in = fade_in;
elem->fade_out = fade_out;
elements.append(elem);
}
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