CnC_Remastered_Collection/REDALERT/BAR.CPP

237 lines
13 KiB
C++

//
// Copyright 2020 Electronic Arts Inc.
//
// TiberianDawn.DLL and RedAlert.dll and corresponding source code is free
// software: you can redistribute it and/or modify it under the terms of
// the GNU General Public License as published by the Free Software Foundation,
// either version 3 of the License, or (at your option) any later version.
// TiberianDawn.DLL and RedAlert.dll and corresponding source code is distributed
// in the hope that it will be useful, but with permitted additional restrictions
// under Section 7 of the GPL. See the GNU General Public License in LICENSE.TXT
// distributed with this program. You should have received a copy of the
// GNU General Public License along with permitted additional restrictions
// with this program. If not, see https://github.com/electronicarts/CnC_Remastered_Collection
/* $Header: /CounterStrike/BAR.CPP 1 3/03/97 10:24a Joe_bostic $ */
/***********************************************************************************************
*** C O N F I D E N T I A L --- W E S T W O O D S T U D I O S ***
***********************************************************************************************
* *
* Project Name : Command & Conquer *
* *
* File Name : BAR.CPP *
* *
* Programmer : Joe L. Bostic *
* *
* Start Date : 08/16/96 *
* *
* Last Update : August 16, 1996 [JLB] *
* *
*---------------------------------------------------------------------------------------------*
* Functions: *
* ProgressBarClass::Is_Horizontal -- Determines if the bargraph is horizontal or not. *
* ProgressBarClass::Outline -- Draw an outline around the bargraph if supposed to. *
* ProgressBarClass::ProgressBarClass -- Constructor for the bargraph object. *
* ProgressBarClass::Redraw -- Redraw the bargraph. *
* ProgressBarClass::Set_Limit -- Set the logic tracking value. *
* ProgressBarClass::Update -- Update the value and redraw as necessary. *
* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
#include "function.h"
#include "bar.h"
#include "fixed.h"
/***********************************************************************************************
* ProgressBarClass::ProgressBarClass -- Constructor for the bargraph object. *
* *
* This is the constructor for the bargraph object. It establishes the dimensions and *
* coordinate of the bargraph as well as the colors it will use when drawn. *
* *
* INPUT: w,y -- Pixel coordinate of the upper left corner of the bargraph. *
* *
* width,height -- Dimensions of the bargraph. *
* *
* forecolor -- The color to use for the filled portion of the bargraph. *
* *
* backcolor -- The color to use for the non-filled portion of the bargraph. *
* *
* bordercolor -- Optional border color. If not zero, then the bargraph will be *
* outlined with this color. *
* *
* OUTPUT: none *
* *
* WARNINGS: none *
* *
* HISTORY: *
* 08/16/1996 JLB : Created. *
*=============================================================================================*/
ProgressBarClass::ProgressBarClass(int x, int y, int width, int height, int forecolor, int backcolor, int bordercolor) :
X(x),
Y(y),
Width(width),
Height(height),
BarColor(forecolor),
BackColor(backcolor),
BorderColor(bordercolor),
CurrentValue(0),
LastDisplayCurrent(0),
IsDrawn(false)
{
}
/***********************************************************************************************
* ProgressBarClass::Is_Horizontal -- Determines if the bargraph is horizontal or not. *
* *
* If the bargraph is oriented horizontally, then this function will return TRUE. *
* *
* INPUT: none *
* *
* OUTPUT: bool; Is this bargraph horizontal? *
* *
* WARNINGS: none *
* *
* HISTORY: *
* 08/16/1996 JLB : Created. *
*=============================================================================================*/
bool ProgressBarClass::Is_Horizontal(void) const
{
if (Width > Height) return(true);
return(false);
}
/***********************************************************************************************
* ProgressBarClass::Update -- Update the value and redraw as necessary. *
* *
* This will update the value of the bargraph to the fill ratio specified and then *
* redraw it if required. Very small changes to the bargraph value might not result in a *
* visual change. *
* *
* INPUT: value -- The new value to assign to this bargraph. *
* *
* OUTPUT: none *
* *
* WARNINGS: bool; Did this update result in a redraw? *
* *
* HISTORY: *
* 08/16/1996 JLB : Created. *
*=============================================================================================*/
bool ProgressBarClass::Update(fixed value)
{
CurrentValue = value;
if (!IsDrawn || value - LastDisplayCurrent >= fixed(1, 10)) {
Redraw();
return(true);
}
return(false);
}
/***********************************************************************************************
* ProgressBarClass::Outline -- Draw an outline around the bargraph if supposed to. *
* *
* This routine will draw a border around the bargraph if this bargraph has a color *
* specified for the border. *
* *
* INPUT: none *
* *
* OUTPUT: none *
* *
* WARNINGS: none *
* *
* HISTORY: *
* 08/16/1996 JLB : Created. *
*=============================================================================================*/
void ProgressBarClass::Outline(void) const
{
if (Is_Outlined()) {
LogicPage->Draw_Line(X, Y, X+Width, Y, BorderColor);
LogicPage->Draw_Line(X, Y, X, Y+Height, BorderColor);
LogicPage->Draw_Line(X, Y+Height, X, Y+Height, BorderColor);
LogicPage->Draw_Line(X+Width, Y, X+Width, Y+Height, BorderColor);
}
}
/***********************************************************************************************
* ProgressBarClass::Redraw -- Redraw the bargraph. *
* *
* This will redraw the entire bargraph. *
* *
* INPUT: none *
* *
* OUTPUT: none *
* *
* WARNINGS: none *
* *
* HISTORY: *
* 08/16/1996 JLB : Created. *
*=============================================================================================*/
void ProgressBarClass::Redraw(void) const
{
Hide_Mouse();
Outline();
/*
** Determine the inner dimensions of the bargraph. This will be
** somewhat smaller than indicated if it has a border.
*/
int x = X;
int y = Y;
int w = Width;
int h = Height;
if (Is_Outlined()) {
x += 1;
y += 1;
w -= 2;
h -= 2;
}
/*
** The working "length" of the bargraph is dependant on whether the
** bargraph is horizontal or vertical.
*/
int size = Is_Horizontal() ? w : h;
/*
** Determine the number of pixels to fill in the bargraph depending on the
** size of the internal value. The larger the internal value the more
** filled the bargraph becomes.
*/
int fill = CurrentValue * size;
/*
** Draw the filled portion of the bargraph if there is any pixels to draw.
*/
if (fill > 0) {
if (Is_Horizontal()) {
LogicPage->Fill_Rect(x, y, x+fill, y+h, BarColor);
} else {
LogicPage->Fill_Rect(x, y+fill, x+w, y+h, BarColor);
}
}
/*
** Draw the unfilled portion of the bargraph if there are any pixels to
** draw of it.
*/
if (w-fill > 0) {
if (Is_Horizontal()) {
LogicPage->Fill_Rect(x+fill, y, x+w, y+h, BackColor);
} else {
LogicPage->Fill_Rect(x, y, x+w, y+fill-1, BackColor);
}
}
Show_Mouse();
ProgressBarClass * me = (ProgressBarClass *)this;
me->LastDisplayCurrent = CurrentValue;
me->IsDrawn = true;
}