www.pudn.com > 林海血原源代码.zip > HeightmapScene.cpp

// HeightmapScene.cpp: implementation of the CHeightmapScene class. 
// 
////////////////////////////////////////////////////////////////////// 
#include "stdafx.h" 
#include "HeightmapScene.h" 
#include "Text.h" 
#include  
#include "texture.h" 
////////////////////////////////////////////////////////////////////// 
// Construction/Destruction 
////////////////////////////////////////////////////////////////////// 
 
CHeightmapScene::CHeightmapScene() 
{ 
	m_pInput=NULL; /////only quote, need't release memory 
	m_gamma=0.2f; 
	m_brightness=0; 
} 
CHeightmapScene::~CHeightmapScene() 
{ 
} 
bool  CHeightmapScene::InitHeightmapScene(INPUT *pInput) 
{ 
	m_pInput=pInput;   //指向3dExplorer.cpp中的全局变量Input 
 
	if(!m_cText.InitRasterText()) 
	{ 
		MessageBox(0, "cText error", "Error", MB_OK | MB_ICONERROR); 
		return FALSE; 
	} 
	if(!m_cSkyBox.InitSkyBox(10000,7000,10000,0,-1200,0)) 
	{ 
		MessageBox(0, "cSkyBox error", "Error", MB_OK | MB_ICONERROR); 
		return FALSE; 
	}     
	if(!m_3dExplorer.Init3dExplorer(VERTEX(700,200,1340),300,true))//450,200,66),157, 
	{ 
		MessageBox(0, "read heightmap failed", "Error", MB_OK | MB_ICONERROR); 
		return FALSE; 
	} 
	if(!m_cTerrain.InitTerrain()) 
	{ 
		MessageBox(0, "Init Terrain failed heightmapscene.cpp", "Error", MB_OK | MB_ICONERROR); 
		return FALSE; 
	}	 
	if(!m_cLensFlare.InitLensFlare()) 
	{ 
		MessageBox(0, "Init LensFlare failed", "Error", MB_OK | MB_ICONERROR); 
		return FALSE; 
	} 
	 
	if(!m_cSprites.InitSpriteManager()) 
	{ 
		MessageBox(0, "Init Terrain failed", "Error", MB_OK | MB_ICONERROR); 
		return FALSE; 
	} 
	if(!m_cHouse.InitHouse(VERTEX(820,m_cHmap.GetHeight(820,1250)-1 ,1250))) 
	{ 
		MessageBox(0, "Init house failed", "Error", MB_OK | MB_ICONERROR); 
		return FALSE; 
	} 
	return true; 
} 
void  CHeightmapScene::RenderHeightmapScene() 
{ 
 
	glColor3f(1,1,1); 
	m_3dExplorer.ProcessInput(m_pInput); 
 
    glDisable(GL_LIGHTING); 
    glDisable(GL_LIGHT0); 
 
	m_3dExplorer.TransformWorld(0); 
 
    m_cSkyBox.DrawSkyBox();  
 
   	m_3dExplorer.TransformWorld(1); 
 
    m_3dExplorer.Update3dEAmmo(); 
 
    glEnable(GL_LIGHTING); 
    glEnable(GL_LIGHT0); 
 
	GLfloat light0_position[]={1.0f,0.5f,-0.8f,0.0f}; 
	glLightfv(GL_LIGHT0,GL_POSITION,light0_position); 
 
    glEnable(GL_FOG); 
 
	//画地形 
	m_cTerrain.UpdateTerrainmap(); 
    ///////////////now render scene 
    m_cTerrain.RendTerrain(); 
    ////////////////////////// 
	m_cTerrain.RestoreDrawMap(); 
 
    glDisable(GL_FOG); 
 
 
	///////////////////house 
    m_cHouse.DrawHouse(); 
     
    ////////////////////////////////// 
    glDisable(GL_LIGHTING); 
    glDisable(GL_LIGHT0); 
 
	m_cSprites.UpdateSpriteManager(); 
	m_cLensFlare.UpdateLensFlare(); 
	m_3dExplorer.m_cAmmoManager.DrawAmmoManager(); 
	m_3dExplorer.m_cAmmoManager.UpdateAmmoManager(); 
 
    ////////////////////////////////////////// 
	glColor3f(1,1,1); 
	glLoadIdentity(); 
 
    //	显示文字信息 
	char infoStr[64]; 
 
	m_cText.ShowInformation(); 
 
	sprintf(infoStr,"%.2f %d %d %d %d %d",m_gamma,m_cTerrain.GetNumTriangles() , 
		                       int(m_3dExplorer.m_RotY) , 
							   int(m_3dExplorer.m_eyePos.xpos), 
							   int(m_3dExplorer.m_eyePos.ypos), 
							   int(m_3dExplorer.m_eyePos.zpos)); 
	glRasterPos3f(0.1f,0.6f,-1.2f); 
	m_cText.PrintString(infoStr); 
     
	/* 
	///////////// 伪Gamma调节 
	if(m_pInput->keys['A'])m_gamma+=0.01f; 
	if(m_pInput->keys['S'])m_gamma-=0.01f; 
	if(m_pInput->keys['Q'])return; 
 
	if(m_gamma<0)m_gamma=0; 
	if(m_gamma>1)m_gamma=1; 
	glColor3f(m_gamma,m_gamma,m_gamma); 
 
	glDisable(GL_TEXTURE_2D); 
 
 	glBlendFunc(GL_SRC_COLOR,GL_ONE); 
	glEnable(GL_BLEND); 
	float size=1.45f; 
	glBegin(GL_QUADS); 
	    glVertex3f(-size,-size, -1.1f); 
	    glVertex3f( size,-size, -1.1f); 
	    glVertex3f( size, size, -1.1f); 
	    glVertex3f(-size, size, -1.1f); 
    glEnd(); 
	 
	/////////////////////// 
	if(m_brightness<1) 
	{ 
 	glBlendFunc(GL_ZERO,GL_SRC_COLOR); 
	glColor3f(m_brightness,m_brightness,m_brightness); 
	glBegin(GL_QUADS); 
	    glVertex3f(-size,-size, -1.05f); 
	    glVertex3f( size,-size, -1.05f); 
	    glVertex3f( size, size, -1.05f); 
	    glVertex3f(-size, size, -1.05f); 
    glEnd(); 
        m_brightness+=0.04f; 
	} 
	glDisable(GL_BLEND); 
*/ 
}