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- drop hardcoded color/brightness values

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- let listener class watch and maintain HUD color properties, which is
  more effective and more flexible.
This commit is contained in:
mfranz 2006-06-07 18:01:19 +00:00
parent 14ab303877
commit 1ccacef184
2 changed files with 79 additions and 142 deletions
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194
src/Cockpit/hud.cxx
View file

@ -66,6 +66,9 @@ extern "C" {
#include "hud.hxx"
static HUD_Properties *HUD;
static char units[5];
// The following routines obtain information concerning the aircraft's
@ -776,6 +779,7 @@ int fgHUDInit( fgAIRCRAFT * /* current_aircraft */ )
HUDtext->setPointSize(HUD_TextSize);
HUD_TextList.setFont( HUDtext );
HUD = new HUD_Properties;
return 0; // For now. Later we may use this for an error code.
}
@ -805,80 +809,6 @@ int fgHUDInit2( fgAIRCRAFT * /* current_aircraft */ )
}
//$$$ End - added, Neetha, 28 Nov 2k
static int global_day_night_switch = HUD_DAY;
void HUD_masterswitch( bool incr )
{
if ( fgGetBool("/sim/hud/visibility") ) {
if ( global_day_night_switch == HUD_DAY ) {
global_day_night_switch = HUD_NIGHT;
} else {
fgSetBool("/sim/hud/visibility", false);
}
} else {
fgSetBool("/sim/hud/visibility", true);
global_day_night_switch = HUD_DAY;
}
}
void HUD_brightkey( bool incr_bright )
{
instr_item *pHUDInstr = HUD_deque[0];
int brightness = pHUDInstr->get_brightness();
if( fgGetBool("/sim/hud/visibility") ) {
if( incr_bright ) {
switch (brightness)
{
case HUD_BRT_LIGHT:
brightness = HUD_BRT_BLACK;
break;
case HUD_BRT_MEDIUM:
brightness = HUD_BRT_LIGHT;
break;
case HUD_BRT_DARK:
brightness = HUD_BRT_MEDIUM;
break;
case HUD_BRT_BLACK:
brightness = HUD_BRT_DARK;
break;
default:
brightness = HUD_BRT_BLACK;
}
} else {
switch (brightness)
{
case HUD_BRT_LIGHT:
brightness = HUD_BRT_MEDIUM;
break;
case HUD_BRT_MEDIUM:
brightness = HUD_BRT_DARK;
break;
case HUD_BRT_DARK:
brightness = HUD_BRT_BLACK;
break;
case HUD_BRT_BLACK:
brightness = HUD_BRT_LIGHT;
break;
default:
fgSetBool("/sim/hud/visibility", false);
}
}
} else {
fgSetBool("/sim/hud/visibility", true);
}
pHUDInstr->SetBrightness( brightness );
}
void fgHUDReshape(void) {
#if 0
@ -902,17 +832,6 @@ void fgHUDReshape(void) {
}
static void set_hud_color(float r, float g, float b) {
static SGPropertyNode_ptr alias = fgGetNode("/sim/hud/antialiased", true);
static SGPropertyNode_ptr alpha = fgGetNode("/sim/hud/alpha", true);
if (alias->getBoolValue())
glColor4f(r, g, b, alpha->getFloatValue());
else
glColor3f(r, g, b);
}
// fgUpdateHUD
//
// Performs a once around the list of calls to instruments installed in
@ -1025,8 +944,6 @@ void drawHUD()
glDisable(GL_DEPTH_TEST);
glDisable(GL_LIGHTING);
static const SGPropertyNode *antialiased_node
= fgGetNode("/sim/hud/antialiased", true);
static const SGPropertyNode *heading_enabled
= fgGetNode("/autopilot/locks/heading", true);
static const SGPropertyNode *altitude_enabled
@ -1038,7 +955,7 @@ void drawHUD()
static char hud_wp2_text[256];
static char hud_alt_text[256];
if( antialiased_node->getBoolValue() ) {
if (HUD->isAntialiased()) {
glEnable(GL_LINE_SMOOTH);
// glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
@ -1048,56 +965,7 @@ void drawHUD()
glLineWidth(1.0);
}
if( global_day_night_switch == HUD_DAY) {
switch (HUD_deque[0]->get_brightness())
{
case HUD_BRT_LIGHT:
set_hud_color (0.1f, 0.9f, 0.1f);
break;
case HUD_BRT_MEDIUM:
set_hud_color (0.1f, 0.7f, 0.0f);
break;
case HUD_BRT_DARK:
set_hud_color (0.0f, 0.6f, 0.0f);
break;
case HUD_BRT_BLACK:
set_hud_color( 0.0f, 0.0f, 0.0f);
break;
default:
set_hud_color (0.1f, 0.9f, 0.1f);
}
} else {
if( global_day_night_switch == HUD_NIGHT) {
switch (HUD_deque[0]->get_brightness())
{
case HUD_BRT_LIGHT:
set_hud_color (0.9f, 0.1f, 0.1f);
break;
case HUD_BRT_MEDIUM:
set_hud_color (0.7f, 0.0f, 0.1f);
break;
case HUD_BRT_DARK:
set_hud_color (0.6f, 0.0f, 0.0f);
break;
case HUD_BRT_BLACK:
set_hud_color( 0.0f, 0.0f, 0.0f);
break;
default:
set_hud_color (0.6f, 0.0f, 0.0f);
}
} else { // Just in case default
set_hud_color (0.1f, 0.9f, 0.1f);
}
}
HUD->setColor();
for_each(HUD_deque.begin(), HUD_deque.end(), HUDdraw());
HUD_TextList.add( fgText(40, 10, get_formated_gmt_time(), 0) );
@ -1164,7 +1032,7 @@ void drawHUD()
// HUD_StippleLineList.draw();
// glDisable(GL_LINE_STIPPLE);
if( antialiased_node->getBoolValue() ) {
if (HUD->isAntialiased()) {
// glDisable(GL_BLEND);
glDisable(GL_LINE_SMOOTH);
glLineWidth(1.0);
@ -1174,3 +1042,51 @@ void drawHUD()
glEnable(GL_LIGHTING);
}
// HUD property listener class
//
HUD_Properties::HUD_Properties()
{
_colors = fgGetNode("/sim/hud/colors", true)->getChildren("color");
_which = fgGetNode("/sim/hud/current-color", true);
_brightness = fgGetNode("/sim/hud/brightness", true);
_alpha = fgGetNode("/sim/hud/alpha", true);
_visibility = fgGetNode("/sim/hud/visibility", true);
_antialiasing = fgGetNode("/sim/hud/antialiased", true);
_which->addChangeListener(this);
_brightness->addChangeListener(this);
_alpha->addChangeListener(this);
_visibility->addChangeListener(this);
_antialiasing->addChangeListener(this, true);
}
void HUD_Properties::valueChanged(SGPropertyNode *n)
{
_visible = _visibility->getBoolValue();
_antialiased = _antialiasing->getBoolValue();
float brt = _brightness->getFloatValue();
int w = _which->getIntValue();
if (w < 0 || w >= int(_colors.size()))
_visible = false;
else {
_r = clamp(brt * _colors[w]->getFloatValue("red", 1.0));
_g = clamp(brt * _colors[w]->getFloatValue("green", 1.0));
_b = clamp(brt * _colors[w]->getFloatValue("blue", 1.0));
}
_a = _alpha->getFloatValue();
}
void HUD_Properties::setColor() const
{
if (_antialiased)
glColor4f(_r, _g, _b, _a);
else
glColor3f(_r, _g, _b);
}

25
src/Cockpit/hud.hxx
View file

@ -1034,8 +1034,6 @@ public:
//using namespace std;
//deque <instr_item> * Hdeque_ptr;
extern void HUD_masterswitch( bool incr );
extern void HUD_brightkey( bool incr_bright );
extern int fgHUDInit( fgAIRCRAFT * /* current_aircraft */ );
extern int fgHUDInit2( fgAIRCRAFT * /* current_aircraft */ );
extern void fgUpdateHUD( void );
@ -1054,4 +1052,27 @@ void fgUpdateHUD2( Hptr hud ); // Future use?
void fgHUDSetTimeMode( Hptr hud, int time_of_day );
*/
class HUD_Properties : public SGPropertyChangeListener {
public:
HUD_Properties();
void valueChanged(SGPropertyNode *n);
void setColor() const;
bool isVisible() const { return _visible; }
bool isAntialiased() const { return _antialiased; }
private:
float clamp(float f) { return f < 0.0f ? 0.0f : f > 1.0f ? 1.0f : f; }
vector<SGPropertyNode_ptr> _colors;
SGPropertyNode_ptr _which;
SGPropertyNode_ptr _brightness;
SGPropertyNode_ptr _alpha;
SGPropertyNode_ptr _visibility;
SGPropertyNode_ptr _antialiasing;
bool _visible, _antialiased;
float _r, _g, _b, _a;
};
#endif // _HUD_H