www.pudn.com > Gimcrack-v0.0051-Source.zip > gui.cpp

#include  
#include  
#include  
#include "../global.h" 
#include "gui.h" 
 
//////////////////////////////////////////////////////////////////////////// 
 
GcGui::GcGui() 
{ 
	// Build the font for text output 
 
} 
 
//////////////////////////////////////////////////////////////////////////// 
 
GcGui::~GcGui() 
{ 
	// Destruct the GUI 
} 
 
//////////////////////////////////////////////////////////////////////////// 
 
void GcGui::Begin() 
{ 
	/* Make the scene ready for 2D rendering */ 
 
	// Disable depth testing 
	glDisable(GL_DEPTH_TEST); 
 
	glEnable(GL_TEXTURE_2D); 
 
	// Select the projection matrix 
	glMatrixMode(GL_PROJECTION); 
 
	// Save the current matrix 
	glPushMatrix(); 
 
		// Load a default matrix 
		glLoadIdentity(); 
 
		// Change mode to 2D drawing 
		glOrtho(0, GcSettings::ScreenWidth(), 0, GcSettings::ScreenHeight(), -1, 1); 
 
		// Load the modelview matrix 
		glMatrixMode(GL_MODELVIEW); 
 
		// Save the old modelview matrix 
		glPushMatrix(); 
			 
			// Load the default modelview matrix 
			glLoadIdentity(); 
 
	// The Pop matrix commands will come in End() and will restore the old matrixs 
} 
 
//////////////////////////////////////////////////////////////////////////// 
 
void GcGui::End() 
{ 
	/* Restore the scene for 3D rendering */ 
 
		// Restor the old modelview matrix 
		glPopMatrix(); 
 
		// Select the  projection matrix 
		glMatrixMode(GL_PROJECTION); 
 
	// Restore the old projection matrix 
	glPopMatrix(); 
 
	// Cange back to the modelview matrix 
	glMatrixMode(GL_MODELVIEW); 
 
	// Enable depth testing 
	glEnable(GL_DEPTH_TEST); 
 
	glColor4f(1.0f, 1.0f, 1.0f, 1.0f); 
} 
 
//////////////////////////////////////////////////////////////////////////// 
 
bool GcGui::Load(GcTexture *land, uint mapWidth) 
{ 
	// Build the font for printing 
	if(!font.Build("data/font.tga", 16, 16, 32, 32, 32)) 
	{ 
		MessageBox(NULL, "Unable to build the font.", "ERROR", MB_OK); 
		return false; 
	} 
 
	// Load the sprite for the crosshair 
	if(!aim.Load("data/aim.tga", 128, 128)) 
	{ 
		MessageBox(NULL, "Unable to load the crosshair.", "ERROR", MB_OK); 
		return false; 
	} 
 
	// Load the sprite for the HUD 
	if(!hud.Load("data/hud.tga", 256, 256)) 
	{ 
		MessageBox(NULL, "Unable to load the HUD.", "ERROR", MB_OK); 
		return false; 
	} 
 
	map.Load(land, mapWidth, GcSettings::Scale()); 
	 
	return true; 
} 
 
//////////////////////////////////////////////////////////////////////////// 
 
void GcGui::Draw(float x, float y) 
{ 
	map.Draw(x, y); 
	 
	/* 
	// Draw the crosshair 
	aim.Draw(GcSettings::ScreenWidth() / 2.0f, GcSettings::ScreenHeight() / 2.0f); 
 
	glEnable(GL_BLEND); 
 
	glBlendFunc(GL_ONE, GL_SRC_COLOR); 
	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); 
	 
	glColor4f(1.0f, 1.0f, 1.0f, 0.6f); 
 
	// Draw the HUD 
	hud.Draw(140, 140); 
 
	glDisable(GL_BLEND); 
 
	font.Print("Destroy", 95, 200); 
	font.Print("the Rockza base", 55, 174); 
	font.Print("Rescue POVs", 75, 140); 
	*/ 
} 
 
//////////////////////////////////////////////////////////////////////////// 
 
void GcGui::Print(char *string, int x, int y) 
{ 
	font.Print(string, x, y); 
} 
 
////////////////////////////////////////////////////////////////////////////