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improved font handling and HUD

main
Martin Felis (berta) 2010-05-02 22:39:49 +02:00
parent 53220eb0ee
commit 710d3e2509
11 changed files with 132 additions and 24 deletions
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23
asteroids/MenuOverlay.cc
View File

@ -8,6 +8,7 @@
#include "OverlayBase.h"
#include "MenuOverlay.h"
#include "Model.h"
#include "View.h"
#include "Sprite.h"
#include "ShipEntity.h"
@ -24,6 +25,11 @@ void MenuOverlay::Init () {
if (!mShipSprite.LoadFromPNG("./data/textures/ship.png"))
Engine::LogError ("Could not load ship sprite!");
// setup of the HUD font
mView->LoadFont ("AldotheApache.ttf", 20);
mView->SelectFont ("AldotheApache.ttf");
mView->SetFontJustification (Engine::FontJustificationRight);
assert (mShipSprite.GetWidth() > 1);
mShipSprite.SetScale (0.1);
}
@ -110,6 +116,8 @@ void MenuOverlay::Draw () {
glPushMatrix ();
glLoadIdentity ();
mView->SelectFont("console.ttf");
// then we do the drawings
if (mModel->GetGameState() == GameStateRunning) {
glClearColor (0., 0., 0., 1.);
@ -137,10 +145,17 @@ void MenuOverlay::DrawGameRunning() {
right = static_cast<float> (Engine::GetWindowWidth());
bottom = static_cast<float> (Engine::GetWindowHeight());
int i;
for (i = 0; i < mModel->GetPlayerLives(); i++) {
mShipSprite.DrawAt2D (right - 32 - i*20, bottom - 16);
}
mView->SelectFont ("AldotheApache.ttf");
std::ostringstream out_stream;
out_stream << mModel->GetPlayerLives() << " x ";
mView->DrawGLString (right - 64, bottom - 20, out_stream.str().c_str());
mShipSprite.DrawAt2D (right - 32 - 10, bottom - 16);
out_stream.str("");
out_stream << mModel->GetPoints();
mView->DrawGLString (right - 10, 40, out_stream.str().c_str());
}
void MenuOverlay::DrawPlayerDied () {

3
asteroids/MenuOverlay.h
View File

@ -11,6 +11,7 @@ class OverlayBase;
namespace asteroids {
class Model;
class View;
class MenuOverlay : public Engine::OverlayBase {
public:
@ -30,9 +31,11 @@ class MenuOverlay : public Engine::OverlayBase {
void DrawPlayerDied ();
void SetModel (Model *model) { mModel = model; };
void SetView (View *view) { mView = view; };
private:
Model *mModel;
View *mView;
Engine::Sprite mShipSprite;
};

12
asteroids/Model.cc
View File

@ -9,6 +9,7 @@
#include "EntityFactory.h"
#include "AsteroidsEvents.h"
#include "AsteroidEntity.h"
#include <assert.h>
@ -56,6 +57,7 @@ void Model::Process () {
if (mLastGameState == GameStateMainMenu && mGameState == GameStateRunning) {
mPlayerLives = 3;
mCurrentLevelIndex = 0;
mPoints = 0;
DoLoadLevel (mLevelList[mCurrentLevelIndex].c_str());
}
else if (mLastGameState == GameStateRunning && mGameState == GameStatePlayerDied) {
@ -75,8 +77,7 @@ void Model::Process () {
}
}
else if (mLastGameState == GameStatePlayerDied && mGameState == GameStateRunning)
// DoLoadLevel (mLevelPath);
assert (0);
DoLoadLevel(mLevelList[mCurrentLevelIndex].c_str());
else if (mLastGameState == GameStateRunning && mGameState == GameStateGameOver)
ClearEntities();
@ -105,13 +106,14 @@ unsigned int Model::InitLevelList () {
Engine::LogError ("Could not init level list: %s is not a directory!");
}
boost::filesystem::directory_iterator end_iter;
for (boost::filesystem::directory_iterator dir_iter(level_dir);
dir_iter != end_iter;
++dir_iter) {
if (boost::filesystem::is_regular_file (dir_iter->status())) {
mLevelList.push_back (std::string(level_dir_name) + dir_iter->path().filename());
std::string level_relative_path (level_dir_name);
level_relative_path += dir_iter->path().filename();
mLevelList.push_back (level_relative_path);
Engine::LogDebug ("Found level %s", mLevelList[mLevelList.size()-1].c_str());
}
}
@ -248,6 +250,8 @@ void Model::OnKillEntity (const Engine::EntityBase *entity) {
if (entity_type == GameEntityTypeAsteroid) {
unsigned int i;
const AsteroidEntity *asteroid = static_cast<const AsteroidEntity*>(entity);
mPoints += 150 + asteroid->mSubAsteroidsCount * 75;
for (i = 0; i < mAsteroids.size(); i++) {
if (mAsteroids.at(i) == entity->mId) {

3
asteroids/Model.h
View File

@ -21,6 +21,7 @@ class Model : public Engine::ModelBase {
GameState GetGameState () { return mGameState; };
int GetPlayerLives () { return mPlayerLives; };
unsigned int GetPoints () { return mPoints; };
float GetWorldWidth ();
float GetWorldHeight ();
@ -31,6 +32,7 @@ class Model : public Engine::ModelBase {
virtual void OnDestroy() {
Engine::ModelBase::OnDestroy();
mAsteroids.clear();
mLevelList.clear();
delete mLevelCompleteEventHandler;
};
virtual void OnRegisterCommands ();
@ -48,6 +50,7 @@ class Model : public Engine::ModelBase {
GameState mLastGameState;
int mPlayerLives;
unsigned int mPoints;
std::vector<std::string> mLevelList;
unsigned int mCurrentLevelIndex;

1
asteroids/View.cc
View File

@ -32,6 +32,7 @@ int View::OnInit (int argc, char* argv[]) {
// We want menu
mMenuOverlay = boost::shared_ptr<MenuOverlay> (new MenuOverlay);
mMenuOverlay->SetModel ((Model*) mModel);
mMenuOverlay->SetView (this);
mMenuOverlay->Init();
AddOverlay (mMenuOverlay);

BIN
data/fonts/AldotheApache.ttf Normal file
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Binary file not shown.

3
data/fonts/fonts.txt Normal file
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@ -0,0 +1,3 @@
AldotheApache.ttf from http://ajpaglia.com/
SamsTown.ttf from http://www.dafont.com/sams-town.font
console.ttf

2
engine/SimpleConsoleOverlay.cc
View File

@ -75,6 +75,8 @@ bool SimpleConsoleOverlay::OnKeyDown (const SDL_keysym &keysym) {
}
void SimpleConsoleOverlay::Draw () {
SelectFont ("console.ttf");
// we switch to orthographic projection and draw the contents of the 2d
// overlay on top of the previous drawings
glMatrixMode (GL_PROJECTION);

88
engine/ViewBase.cc
View File

@ -52,19 +52,14 @@ int ViewBase::OnInit (int argc, char* argv[]) {
InitGL ();
Resize (mWindowWidth, mWindowHeight);
mConsoleFont = new OGLFT::Monochrome ("./data/fonts/console.ttf", 12);
if ( mConsoleFont == 0 || !mConsoleFont->isValid() ) {
LogError ("Could not load font %s!", "./data/fonts/console.ttf");
exit (-1);
}
LoadFont ("console.ttf");
mCurrentFont = mFonts["console.ttf"];
SetFontColor (1., 1., 1.);
OverlayBasePtr console_overlay(new SimpleConsoleOverlay);
AddOverlay (console_overlay);
mConsoleFont->setForegroundColor (1., 1., 1.);
mDrawAxis = false;
mDrawGrid = false;
@ -77,13 +72,16 @@ int ViewBase::OnInit (int argc, char* argv[]) {
}
void ViewBase::OnDestroy () {
if (mConsoleFont )
delete mConsoleFont;
mConsoleFont = NULL;
while (mOverlays.size() > 0)
mOverlays.pop_back();
std::map<std::string, OGLFT::Monochrome*>::iterator iter;
for (iter = mFonts.begin(); iter != mFonts.end(); ++iter) {
delete iter->second;
}
mFonts.clear();
ViewInstance = NULL;
LogDebug ("View Destroy");
@ -189,9 +187,63 @@ void ViewBase::Draw () {
SDL_GL_SwapBuffers ();
}
/* Fonts */
bool ViewBase::LoadFont (const char *font_name, float point_size) {
std::string font_path ("./data/fonts/");
font_path += font_name;
LogDebug ("Loading font %s size %f from %s", font_name, point_size, font_path.c_str());
OGLFT::Monochrome *font = new OGLFT::Monochrome (font_path.c_str(), point_size);
if ( font == 0 || !font->isValid() ) {
LogError ("Could not load font %s!", font_path.c_str());
}
font->setForegroundColor(1., 1., 1.);
mFonts.insert(std::make_pair<std::string, OGLFT::Monochrome*>(font_name, font));
}
void ViewBase::SelectFont (const char *font) {
std::map<std::string, OGLFT::Monochrome*>::iterator font_iter;
font_iter = mFonts.find(font);
if (font_iter != mFonts.end()) {
mCurrentFont = font_iter->second;
return;
}
LogDebug ("Font %s not found, trying to load it", font);
if (LoadFont (font)) {
font_iter = mFonts.find(font);
assert (mFonts.find(font) != mFonts.end());
mCurrentFont = font_iter->second;
return;
}
LogError("Error trying to load font %s", font);
}
void ViewBase::SetFontJustification (FontJustification justification) {
if (justification == FontJustificationRight)
mCurrentFont->setHorizontalJustification(OGLFT::Face::RIGHT);
else if (justification == FontJustificationCenter)
mCurrentFont->setHorizontalJustification(OGLFT::Face::CENTER);
else mCurrentFont->setHorizontalJustification(OGLFT::Face::LEFT);
}
void ViewBase::SetFontColor (float r, float g, float b) {
assert (mCurrentFont);
mCurrentFont->setForegroundColor(r, g, b);
};
void ViewBase::DrawGLString (float x, float y, const char* str) {
glPixelStorei (GL_UNPACK_ALIGNMENT, 1);
mConsoleFont->draw (x, y, str);
mCurrentFont->draw (x, y, str);
}
void ViewBase::GetCamereEye (float *eye_out) {
@ -310,6 +362,14 @@ void DrawGLString (float x, float y, const char* str) {
ViewInstance->DrawGLString (x, y, str);
}
void SelectFont (const char* font) {
if (!ViewInstance) {
LogError ("Cannot select font: View not yet initialized!");
return;
}
ViewInstance->SelectFont(font);
}
unsigned int GetWindowWidth() {
return ViewInstance->GetWindowWidth ();
}

20
engine/ViewBase.h
View File

@ -11,6 +11,12 @@ namespace OGLFT {
namespace Engine {
enum FontJustification {
FontJustificationRight = 0,
FontJustificationCenter,
FontJustificationLeft
};
class Module;
class ModelBase;
class CameraBase;
@ -20,6 +26,7 @@ class CameraBase;
class ViewBase : public Module{
public:
ViewBase() : mModel(NULL), mCamera(NULL), mCurrentFont(NULL) {}
virtual ~ViewBase() {};
/** \brief Resizes the View */
@ -28,9 +35,15 @@ class ViewBase : public Module{
/** \brief Performs all drawing */
virtual void Draw ();
/* Fonts */
bool LoadFont (const char *font_name, float point_size=12);
void SelectFont (const char *font_name);
void SetFontJustification (FontJustification justification);
void SetFontColor (float r, float g, float b);
/** \brief Draws a string at the given position using current projection
* and modelview matrices */
void DrawGLString (float x, float y, const char* str);
/** \brief Stores the eye poisition in eye_out */
void GetCamereEye (float *eye_out);
@ -87,8 +100,11 @@ class ViewBase : public Module{
int mGridSizeX;
int mGridSizeZ;
/** \brief Font that is used in the console */
OGLFT::Monochrome* mConsoleFont;
/** \brief The font that is currently used */
OGLFT::Monochrome* mCurrentFont;
/** \brief Contains all the fonts that are to be used */
std::map<std::string, OGLFT::Monochrome*> mFonts;
friend class Engine;
};

1
engine/ViewBaseGlobal.h
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@ -6,6 +6,7 @@ namespace Engine {
/** \brief Draws the given string at the given position using the current
* OpenGL transformations */
void DrawGLString (float x, float y, const char* str);
void SelectFont (const char* font);
unsigned int GetWindowWidth();
unsigned int GetWindowHeight();