menu.h

小游戏 有碰撞检测和音乐 使用键盘openal

#pragma once
#include "highscore.h"

void RenderMenu() //if ( game_state == menu_state )
{
	glEnable( GL_TEXTURE_2D );
	glColor3f( 1.0, 1.0, 1.0 );
	glInitNames();
	glPushName(0);
	// start button
	glBindTexture( GL_TEXTURE_2D, textures[21].id );
	glPushName(START_BUTTON);
	glBegin(GL_QUADS);
	glTexCoord2f( 0.0 , 0.0 ); glVertex3f( -0.35, 0.5, -3);
	glTexCoord2f( 1.0 , 0.0 ); glVertex3f( 0.35, 0.5, -3);
	glTexCoord2f( 1.0 , 1.0 ); glVertex3f( 0.35, 0.7, -3);
	glTexCoord2f( 0.0 , 1.0 ); glVertex3f( -0.35, 0.7, -3);
	glEnd();
	glPopName();
	// high score button
	glBindTexture( GL_TEXTURE_2D, textures[22].id );
	glPushName(HIGH_SCORE_BUTTON);
	glBegin(GL_QUADS);
	glTexCoord2f( 0.0 , 0.0 ); glVertex3f( -0.35, 0.2, -3);
	glTexCoord2f( 1.0 , 0.0 ); glVertex3f( 0.35, 0.2, -3);
	glTexCoord2f( 1.0 , 1.0 ); glVertex3f( 0.35, 0.4, -3);
	glTexCoord2f( 0.0 , 1.0 ); glVertex3f( -0.35, 0.4, -3);
	glEnd();
	glPopName();

	// quit button
	glBindTexture( GL_TEXTURE_2D, textures[23].id );
	glPushName(QUIT_BUTTON);
	glBegin( GL_QUADS );
	glTexCoord2f( 0.0 , 0.0 ); glVertex3f( -0.35, -0.1, -3);
	glTexCoord2f( 1.0 , 0.0 ); glVertex3f( 0.35, -0.1, -3);
	glTexCoord2f( 1.0 , 1.0 ); glVertex3f( 0.35, 0.1, -3);
	glTexCoord2f( 0.0 , 1.0 ); glVertex3f( -0.35, 0.1, -3);
	glEnd();
	glPopName();
}
void RenderGameOver()//if( game_state == gameover_state )
{
	glEnable( GL_TEXTURE_2D );
	glBindTexture( GL_TEXTURE_2D, textures[25].id );
	glBegin(GL_QUADS);
	glTexCoord2f( 0.0 , 0.0 ); glVertex3f( -0.5, 0.0 , -3);
	glTexCoord2f( 1.0 , 0.0 ); glVertex3f( 0.5, 0.0 , -3);
	glTexCoord2f( 1.0 , 1.0 ); glVertex3f( 0.5, 0.75 , -3);
	glTexCoord2f( 0.0 , 1.0 ); glVertex3f( -0.5, 0.75 , -3);
	glEnd();
	glDisable( GL_TEXTURE_2D );
	Print("Press 'Esc' to quit ",220,350, 1.0, 1.0, 1.0 );
}

void RenderHighscoreEntry() //if ( game_state == highscore_entry_state && !entername )
{
	glColor3f( 1.0, 1.0, 1.0 );
	glEnable( GL_TEXTURE_2D );
	glBindTexture( GL_TEXTURE_2D, textures[26].id );
	glBegin(GL_QUADS);
	glTexCoord2f( 0.0 , 0.0 ); glVertex3f( -0.5, 0.0 , -3);
	glTexCoord2f( 1.0 , 0.0 ); glVertex3f( 0.5, 0.0 , -3);
	glTexCoord2f( 1.0 , 1.0 ); glVertex3f( 0.5, 0.75 , -3);
	glTexCoord2f( 0.0 , 1.0 ); glVertex3f( -0.5, 0.75 , -3);
	glEnd();
	glDisable( GL_TEXTURE_2D );
	Print("Name : ",240,380, 1.0, 1.0, 0.0 );
	Print( const_cast<char *> (player_name.c_str()),320,380, 1.0,0.0,1.0);
}
void RenderHighscore()//if ( game_state == highscore_view_state )
{
	// back button
	glEnable( GL_TEXTURE_2D );
	glBindTexture( GL_TEXTURE_2D, textures[24].id );
	glPushName(BACK_BUTTON);
	glBegin(GL_QUADS);
	glTexCoord2f( 0.0 , 0.0 ); glVertex3f( -0.35, -0.6, -3);
	glTexCoord2f( 1.0 , 0.0 ); glVertex3f( 0.35, -0.6, -3);
	glTexCoord2f( 1.0 , 1.0 ); glVertex3f( 0.35, -0.4, -3);
	glTexCoord2f( 0.0 , 1.0 ); glVertex3f( -0.35, -0.4, -3);
	glEnd();
	glPopName();
	glDisable( GL_TEXTURE_2D );
	glEnable( GL_BLEND );
	glBlendFunc (GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
	glColor3f(1.0f, 1.0f, 1.0f);
	glBindTexture(GL_TEXTURE_2D, fontTextures[0].id);
	glMatrixMode ( GL_PROJECTION ) ;
	glPushMatrix();
	glLoadIdentity();
	glOrtho(0.0f,640,480,0.0f,-1.0f,1.0f);
	glMatrixMode(GL_MODELVIEW);
	glPushMatrix();
	glLoadIdentity();
	glColor3f(1.0f,0.0f,0.0f); 
	PrintList(260,100, 0,"HIGH SCORES");
	glColor3f(1.0,1.0,0.0);
	char s[80];
	multimap <int,string>::iterator i = high_scores.end();
	i--;
	PrintList(210,150,0, ScoreLine( (*i).second,(*i).first ).c_str());
	i--;
	PrintList(210,190,0,ScoreLine( (*i).second,(*i).first ).c_str());
	i--;
	PrintList(210,230,0,ScoreLine( (*i).second,(*i).first ).c_str());
	glMatrixMode ( GL_PROJECTION ) ;
	glPopMatrix();
	glMatrixMode(GL_MODELVIEW);
	glPopMatrix();
	glDisable( GL_BLEND );
}