www.pudn.com > RCApp-src.zip > Status.cpp

/* 
	RedEye Project (http://members.ozemail.com.au/~ndmcevoy/) 
	Copyright (C) 2003  Nick McEvoy 
 
	This library is free software; you can redistribute it and/or 
	modify it under the terms of the GNU Library General Public 
	License as published by the Free Software Foundation; either 
	version 2 of the License, or (at your option) any later version. 
 
	This library is distributed in the hope that it will be useful, 
	but WITHOUT ANY WARRANTY; without even the implied warranty of 
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU 
	Library General Public License for more details. 
 
	You should have received a copy of the GNU Library General Public 
	License along with this library; if not, write to the Free 
	Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 
 
	----------------------------------------------------------------- 
 
		Commented for use with Doxygen (http://www.doxygen.org) 
 
	----------------------------------------------------------------- 
*/ 
 
/*! \file Status.cpp 
 *	\brief Game status. 
 * 
 *		This file contains the game status. 
 */ 
 
// GLUT includes 
#include  
 
// RedEye includes 
#include "Status.h" 
 
#define HELP_TEXT		"---------- CONTROLS ----------\n" \ 
						"up arrow : forward\n" \ 
						"down arrow : reverse\n" \ 
						"left arrow : steer left\n" \ 
						"right arrow : steer right\n" \ 
						"\n------------ VIEW ------------\n" \ 
						"f1 : player view\n" \ 
						"f2 : external view attached\n" \ 
						"f3 : external view detached\n" \ 
						"f4 : tracking view\n" \ 
						"shift+arrows : rotate external camera\n" \ 
						"page-up/down : zoom in/out external camera\n" \ 
						"home : reset external camera\n" \ 
						"t : toggle tracking (closest) target\n" \ 
						"n : select next target\n" \ 
						"\n------------ GAME ------------\n" \ 
						"1 : start jet ski game\n" \ 
						"2 : start tux billy kart game\n" \ 
						"r : restart\n" \ 
						"h : help\n" \ 
						"p : pause\n" \ 
						"q : quit\n" \ 
						"\nPress any key to continue..." 
#define START_TEXT		"Press <1> to start jet ski game\n" \ 
						"Press <2> to tux billy kart game\n" \ 
						"Press  for help\n" \ 
						"Press  to quit" 
#define LOADING_TEXT	"Please wait game is loading..." 
#define PAUSE_TEXT		"Press any key to continue..." 
 
//! The one and only instance 
reGameStatus* reGameStatus::mpInstance = NULL; 
 
 
 
 
reGameStatus::reGameStatus() 
{ 
	// Initialise data 
	strcpy(msPlayerText, ""); 
	strcpy(msStatusText, ""); 
	strcpy(msDebugText, ""); 
	mbHelpTextOn = false; 
	mbStartTextOn = false; 
	mbLoadingTextOn = false; 
	mbPauseTextOn = false; 
	mbPlayerTextOn = false; 
	mbStatusTextOn = false; 
	mbDebugTextOn = false; 
 
	// Load default font 
	mTexFont.load("fonts/courier-bold.txf"); 
	mText.setFont(&mTexFont); 
} 
 
 
 
 
reGameStatus::~reGameStatus() 
{ 
	mpInstance = NULL; 
} 
 
 
 
 
reGameStatus* 
reGameStatus::GetInstance() 
{ 
	if (mpInstance == NULL) 
	{ 
		mpInstance = new reGameStatus; 
	} 
	return mpInstance; 
} 
 
 
 
 
void 
reGameStatus::Display() 
{ 
	int w = glutGet(GLUT_WINDOW_WIDTH); 
	int h = glutGet(GLUT_WINDOW_HEIGHT); 
	int cx = w/2; 
	int cy = h/2; 
 
	// Set opengl state 
	glPushAttrib(GL_ENABLE_BIT | GL_VIEWPORT_BIT | GL_TRANSFORM_BIT | GL_LIGHTING_BIT | GL_POLYGON_BIT | GL_FOG_BIT); 
	glDisable(GL_LIGHTING); 
	glDisable(GL_FOG); 
	glDisable(GL_TEXTURE_2D); 
	glDisable(GL_DEPTH_TEST); 
	glDisable(GL_CULL_FACE); 
	glEnable(GL_ALPHA_TEST); 
	glEnable(GL_BLEND); 
	glAlphaFunc(GL_GREATER, 0.1); 
	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); 
	glPolygonMode(GL_FRONT_AND_BACK, GL_FILL); 
 
	glViewport(0, 0, w, h); 
	glMatrixMode(GL_PROJECTION); 
	glPushMatrix(); 
	glLoadIdentity(); 
	gluOrtho2D(0, w, 0, h); 
	glMatrixMode(GL_MODELVIEW); 
	glPushMatrix(); 
	glLoadIdentity(); 
 
	// Draw text 
	if (mbHelpTextOn) 
	{ 
		DrawDropShadowText(HELP_TEXT, 14, cx-180, cy+200); 
	} 
	else // Display other text 
	{ 
		if (mbStartTextOn) 
			DrawDropShadowText(START_TEXT, 14, cx-140, cy+50); 
 
		if (mbLoadingTextOn) 
			DrawDropShadowText(LOADING_TEXT, 14, cx-140, cy); 
 
		if (mbPauseTextOn) 
			DrawDropShadowText(PAUSE_TEXT, 14, cx-140, cy); 
 
		if (mbPlayerTextOn) 
			DrawPlainText(msPlayerText, 12, 5, h-15); 
 
		if (mbStatusTextOn) 
			DrawDropShadowText(msStatusText, 14, 5, 5); 
 
		if (mbDebugTextOn) 
			DrawPlainText(msDebugText, 10, 5, h-150); 
	} 
 
	// Restore opengl state 
	glMatrixMode(GL_PROJECTION); 
	glPopMatrix(); 
	glMatrixMode(GL_MODELVIEW); 
	glPopMatrix(); 
	glPopAttrib(); 
} 
 
 
 
 
void 
reGameStatus::SetStatusOff() 
{ 
	mbHelpTextOn = false; 
	mbStartTextOn = false; 
	mbLoadingTextOn = false; 
	mbPauseTextOn = false; 
	mbPlayerTextOn = false; 
	mbStatusTextOn = false; 
	mbDebugTextOn = false; 
} 
 
 
 
 
void 
reGameStatus::SetPlayerText(const char* sText, bool bOn) 
{ 
	mbPlayerTextOn = bOn; 
	strcpy(msPlayerText, sText); 
} 
 
 
 
 
void 
reGameStatus::SetStatusText(const char* sText, bool bOn) 
{ 
	mbStatusTextOn = bOn; 
	strcpy(msStatusText, sText); 
} 
 
 
 
 
void 
reGameStatus::SetDebugText(const char* sText, bool bOn) 
{ 
	mbDebugTextOn = bOn; 
	strcpy(msDebugText, sText); 
} 
 
 
 
 
void 
reGameStatus::DrawText(const char* sText, int iSize, int x, int y) 
{ 
	mText.setPointSize(iSize); 
 
	mText.begin(); 
	mText.start2f(x, y); 
	mText.puts(sText); 
	mText.end(); 
} 
 
 
 
 
void 
reGameStatus::DrawInverseDropShadowText(const char* sText, int iSize, int x, int y) 
{ 
	glColor4f(1.0f, 1.0f, 1.0f, 1.0f); 
	DrawText(sText, iSize, x, y); 
	glColor4f(0.0f, 0.0f, 0.0f, 1.0f); 
	DrawText(sText, iSize, x+1, y+1); 
} 
 
 
 
 
void 
reGameStatus::DrawDropShadowText(const char* sText, int iSize, int x, int y) 
{ 
	glColor4f(0.0f, 0.0f, 0.0f, 1.0f); 
	DrawText(sText, iSize, x, y); 
	glColor4f(1.0f, 1.0f, 1.0f, 1.0f); 
	DrawText(sText, iSize, x+1, y+1); 
} 
 
 
 
void 
reGameStatus::DrawPlainText(const char* sText, int iSize, int x, int y) 
{ 
	glColor4f(1.0f, 1.0f, 1.0f, 1.0f); 
	DrawText(sText, iSize, x, y); 
}