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Rework MeshViewer:

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- Break up EventHandler into more functions
- Add enums for all ID's
- Fix scaling display
- Add quick-scale buttons for *10 and * 0.01


git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@2953 dfc29bdd-3216-0410-991c-e03cc46cb475
This commit is contained in:
cutealien 2009-11-30 20:40:49 +00:00
parent be53718e91
commit ffe43a25e9
1 changed files with 233 additions and 168 deletions
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273
examples/09.Meshviewer/main.cpp
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@ -76,11 +76,24 @@ enum
GUI_ID_ABOUT, GUI_ID_ABOUT,
GUI_ID_QUIT, GUI_ID_QUIT,
GUI_ID_TEXTUREFILTER,
GUI_ID_SKIN_TRANSPARENCY,
GUI_ID_SKIN_ANIMATION_FPS,
GUI_ID_BUTTON_SET_SCALE,
GUI_ID_BUTTON_SCALE_MUL10,
GUI_ID_BUTTON_SCALE_DIV10,
GUI_ID_BUTTON_OPEN_MODEL,
GUI_ID_BUTTON_SHOW_ABOUT,
GUI_ID_BUTTON_SHOW_TOOLBOX,
GUI_ID_BUTTON_SELECT_ARCHIVE,
// And some magic numbers // And some magic numbers
MAX_FRAMERATE = 1000, MAX_FRAMERATE = 1000,
DEFAULT_FRAMERATE = 30 DEFAULT_FRAMERATE = 30
}; };
/* /*
Toggle between various cameras Toggle between various cameras
*/ */
@ -96,6 +109,40 @@ void setActiveCamera(scene::ICameraSceneNode* newActive)
Device->getSceneManager()->setActiveCamera(newActive); Device->getSceneManager()->setActiveCamera(newActive);
} }
/*
Set the skin transparency by changing the alpha values of all skin-colors
*/
void SetSkinTransparency(s32 alpha, irr::gui::IGUISkin * skin)
{
for (s32 i=0; i<irr::gui::EGDC_COUNT ; ++i)
{
video::SColor col = skin->getColor((EGUI_DEFAULT_COLOR)i);
col.setAlpha(alpha);
skin->setColor((EGUI_DEFAULT_COLOR)i, col);
}
}
/*
Update the display of the model scaling
*/
void UpdateScaleInfo(scene::ISceneNode* model)
{
IGUIElement* toolboxWnd = Device->getGUIEnvironment()->getRootGUIElement()->getElementFromId(GUI_ID_DIALOG_ROOT_WINDOW, true);
if (!model)
{
toolboxWnd->getElementFromId(GUI_ID_X_SCALE, true)->setText( L"-" );
toolboxWnd->getElementFromId(GUI_ID_Y_SCALE, true)->setText( L"-" );
toolboxWnd->getElementFromId(GUI_ID_Z_SCALE, true)->setText( L"-" );
}
else
{
core::vector3df scale = model->getScale();
toolboxWnd->getElementFromId(GUI_ID_X_SCALE, true)->setText( core::stringw(scale.X).c_str() );
toolboxWnd->getElementFromId(GUI_ID_Y_SCALE, true)->setText( core::stringw(scale.Y).c_str() );
toolboxWnd->getElementFromId(GUI_ID_Z_SCALE, true)->setText( core::stringw(scale.Z).c_str() );
}
}
/* /*
The three following functions do several stuff used by the mesh viewer. The The three following functions do several stuff used by the mesh viewer. The
first function showAboutText() simply displays a messagebox with a caption and first function showAboutText() simply displays a messagebox with a caption and
@ -198,13 +245,7 @@ void loadModel(const c8* fn)
if (menu) if (menu)
for(int item = 1; item < 6; ++item) for(int item = 1; item < 6; ++item)
menu->setItemChecked(item, false); menu->setItemChecked(item, false);
IGUIElement* toolboxWnd = Device->getGUIEnvironment()->getRootGUIElement()->getElementFromId(GUI_ID_DIALOG_ROOT_WINDOW, true); UpdateScaleInfo(Model);
if ( toolboxWnd )
{
toolboxWnd->getElementFromId(GUI_ID_X_SCALE, true)->setText(L"1.0");
toolboxWnd->getElementFromId(GUI_ID_Y_SCALE, true)->setText(L"1.0");
toolboxWnd->getElementFromId(GUI_ID_Z_SCALE, true)->setText(L"1.0");
}
} }
@ -234,7 +275,7 @@ void createToolBox()
// add some edit boxes and a button to tab one // add some edit boxes and a button to tab one
env->addStaticText(L"Scale:", env->addStaticText(L"Scale:",
core::rect<s32>(10,20,150,45), false, false, t1); core::rect<s32>(10,20,60,45), false, false, t1);
env->addStaticText(L"X:", core::rect<s32>(22,48,40,66), false, false, t1); env->addStaticText(L"X:", core::rect<s32>(22,48,40,66), false, false, t1);
env->addEditBox(L"1.0", core::rect<s32>(40,46,130,66), true, t1, GUI_ID_X_SCALE); env->addEditBox(L"1.0", core::rect<s32>(40,46,130,66), true, t1, GUI_ID_X_SCALE);
env->addStaticText(L"Y:", core::rect<s32>(22,82,40,GUI_ID_OPEN_MODEL), false, false, t1); env->addStaticText(L"Y:", core::rect<s32>(22,82,40,GUI_ID_OPEN_MODEL), false, false, t1);
@ -242,13 +283,19 @@ void createToolBox()
env->addStaticText(L"Z:", core::rect<s32>(22,108,40,126), false, false, t1); env->addStaticText(L"Z:", core::rect<s32>(22,108,40,126), false, false, t1);
env->addEditBox(L"1.0", core::rect<s32>(40,106,130,126), true, t1, GUI_ID_Z_SCALE); env->addEditBox(L"1.0", core::rect<s32>(40,106,130,126), true, t1, GUI_ID_Z_SCALE);
env->addButton(core::rect<s32>(10,134,85,165), t1, 1101, L"Set"); env->addButton(core::rect<s32>(10,134,85,165), t1, GUI_ID_BUTTON_SET_SCALE, L"Set");
// quick scale buttons
env->addButton(core::rect<s32>(65,20,95,40), t1, GUI_ID_BUTTON_SCALE_MUL10, L"* 10");
env->addButton(core::rect<s32>(100,20,130,40), t1, GUI_ID_BUTTON_SCALE_DIV10, L"* 0.1");
UpdateScaleInfo(Model);
// add transparency control // add transparency control
env->addStaticText(L"GUI Transparency Control:", env->addStaticText(L"GUI Transparency Control:",
core::rect<s32>(10,200,150,225), true, false, t1); core::rect<s32>(10,200,150,225), true, false, t1);
IGUIScrollBar* scrollbar = env->addScrollBar(true, IGUIScrollBar* scrollbar = env->addScrollBar(true,
core::rect<s32>(10,225,150,240), t1, 104); core::rect<s32>(10,225,150,240), t1, GUI_ID_SKIN_TRANSPARENCY);
scrollbar->setMax(255); scrollbar->setMax(255);
scrollbar->setPos(255); scrollbar->setPos(255);
@ -256,7 +303,7 @@ void createToolBox()
env->addStaticText(L"Framerate:", env->addStaticText(L"Framerate:",
core::rect<s32>(10,240,150,265), true, false, t1); core::rect<s32>(10,240,150,265), true, false, t1);
scrollbar = env->addScrollBar(true, scrollbar = env->addScrollBar(true,
core::rect<s32>(10,265,150,280), t1, 105); core::rect<s32>(10,265,150,280), t1, GUI_ID_SKIN_ANIMATION_FPS);
scrollbar->setMax(MAX_FRAMERATE); scrollbar->setMax(MAX_FRAMERATE);
scrollbar->setPos(DEFAULT_FRAMERATE); scrollbar->setPos(DEFAULT_FRAMERATE);
@ -265,7 +312,6 @@ void createToolBox()
root->bringToFront(root->getElementFromId(666, true)); root->bringToFront(root->getElementFromId(666, true));
} }
/* /*
To get all the events sent by the GUI Elements, we need to create an event To get all the events sent by the GUI Elements, we need to create an event
receiver. This one is really simple. If an event occurs, it checks the id of receiver. This one is really simple. If an event occurs, it checks the id of
@ -327,15 +373,112 @@ public:
switch(event.GUIEvent.EventType) switch(event.GUIEvent.EventType)
{ {
case EGET_MENU_ITEM_SELECTED: case EGET_MENU_ITEM_SELECTED:
{
// a menu item was clicked // a menu item was clicked
OnMenuItemSelected( (IGUIContextMenu*)event.GUIEvent.Caller );
break;
IGUIContextMenu* menu = (IGUIContextMenu*)event.GUIEvent.Caller; case EGET_FILE_SELECTED:
s32 id = menu->getItemCommandId(menu->getSelectedItem()); {
// load the model file, selected in the file open dialog
IGUIFileOpenDialog* dialog =
(IGUIFileOpenDialog*)event.GUIEvent.Caller;
loadModel(core::stringc(dialog->getFileName()).c_str());
}
break;
case EGET_SCROLL_BAR_CHANGED:
// control skin transparency
if (id == GUI_ID_SKIN_TRANSPARENCY)
{
const s32 pos = ((IGUIScrollBar*)event.GUIEvent.Caller)->getPos();
SetSkinTransparency(pos, env->getSkin());
}
// control animation speed
else if (id == GUI_ID_SKIN_ANIMATION_FPS)
{
const s32 pos = ((IGUIScrollBar*)event.GUIEvent.Caller)->getPos();
if (scene::ESNT_ANIMATED_MESH == Model->getType())
((scene::IAnimatedMeshSceneNode*)Model)->setAnimationSpeed((f32)pos);
}
break;
case EGET_COMBO_BOX_CHANGED:
// control anti-aliasing/filtering
if (id == GUI_ID_TEXTUREFILTER)
{
OnTextureFilterSelected( (IGUIComboBox*)event.GUIEvent.Caller );
}
break;
case EGET_BUTTON_CLICKED:
switch(id) switch(id)
{ {
case GUI_ID_OPEN_MODEL: // File -> Open Model case GUI_ID_BUTTON_SET_SCALE:
{
// set scale
gui::IGUIElement* root = env->getRootGUIElement();
core::vector3df scale;
core::stringc s;
s = root->getElementFromId(GUI_ID_X_SCALE, true)->getText();
scale.X = (f32)atof(s.c_str());
s = root->getElementFromId(GUI_ID_Y_SCALE, true)->getText();
scale.Y = (f32)atof(s.c_str());
s = root->getElementFromId(GUI_ID_Z_SCALE, true)->getText();
scale.Z = (f32)atof(s.c_str());
if (Model)
Model->setScale(scale);
UpdateScaleInfo(Model);
}
break;
case GUI_ID_BUTTON_SCALE_MUL10:
if (Model)
Model->setScale(Model->getScale()*10.f);
UpdateScaleInfo(Model);
break;
case GUI_ID_BUTTON_SCALE_DIV10:
if (Model)
Model->setScale(Model->getScale()*0.1f);
UpdateScaleInfo(Model);
break;
case GUI_ID_BUTTON_OPEN_MODEL:
env->addFileOpenDialog(L"Please select a model file to open");
break;
case GUI_ID_BUTTON_SHOW_ABOUT:
showAboutText();
break;
case GUI_ID_BUTTON_SHOW_TOOLBOX:
createToolBox();
break;
case GUI_ID_BUTTON_SELECT_ARCHIVE:
env->addFileOpenDialog(L"Please select your game archive/directory");
break;
}
break;
default:
break;
}
}
return false;
}
/*
Handle "menu item clicked" events.
*/
void OnMenuItemSelected( IGUIContextMenu* menu )
{
s32 id = menu->getItemCommandId(menu->getSelectedItem());
IGUIEnvironment* env = Device->getGUIEnvironment();
switch(id)
{
case GUI_ID_OPEN_MODEL: // FilOnButtonSetScalinge -> Open Model
env->addFileOpenDialog(L"Please select a model file to open"); env->addFileOpenDialog(L"Please select a model file to open");
break; break;
case GUI_ID_SET_MODEL_ARCHIVE: // File -> Set Model Archive case GUI_ID_SET_MODEL_ARCHIVE: // File -> Set Model Archive
@ -424,47 +567,15 @@ public:
case GUI_ID_CAMERA_FIRST_PERSON: case GUI_ID_CAMERA_FIRST_PERSON:
setActiveCamera(Camera[1]); setActiveCamera(Camera[1]);
break; break;
} }
break;
} }
case EGET_FILE_SELECTED: /*
Handle the event that one of the texture-filters was selected in the corresponding combobox.
*/
void OnTextureFilterSelected( IGUIComboBox* combo )
{ {
// load the model file, selected in the file open dialog s32 pos = combo->getSelected();
IGUIFileOpenDialog* dialog =
(IGUIFileOpenDialog*)event.GUIEvent.Caller;
loadModel(core::stringc(dialog->getFileName()).c_str());
}
break;
case EGET_SCROLL_BAR_CHANGED:
// control skin transparency
if (id == 104)
{
const s32 pos = ((IGUIScrollBar*)event.GUIEvent.Caller)->getPos();
for (s32 i=0; i<irr::gui::EGDC_COUNT ; ++i)
{
video::SColor col = env->getSkin()->getColor((EGUI_DEFAULT_COLOR)i);
col.setAlpha(pos);
env->getSkin()->setColor((EGUI_DEFAULT_COLOR)i, col);
}
}
else if (id == 105)
{
const s32 pos = ((IGUIScrollBar*)event.GUIEvent.Caller)->getPos();
if (scene::ESNT_ANIMATED_MESH == Model->getType())
((scene::IAnimatedMeshSceneNode*)Model)->setAnimationSpeed((f32)pos);
}
break;
case EGET_COMBO_BOX_CHANGED:
// control anti-aliasing/filtering
if (id == 108)
{
s32 pos = ((IGUIComboBox*)event.GUIEvent.Caller)->getSelected();
switch (pos) switch (pos)
{ {
case 0: case 0:
@ -503,52 +614,6 @@ public:
break; break;
} }
} }
break;
case EGET_BUTTON_CLICKED:
switch(id)
{
case 1101:
{
// set scale
gui::IGUIElement* root = env->getRootGUIElement();
core::vector3df scale;
core::stringc s;
s = root->getElementFromId(GUI_ID_X_SCALE, true)->getText();
scale.X = (f32)atof(s.c_str());
s = root->getElementFromId(GUI_ID_Y_SCALE, true)->getText();
scale.Y = (f32)atof(s.c_str());
s = root->getElementFromId(GUI_ID_Z_SCALE, true)->getText();
scale.Z = (f32)atof(s.c_str());
if (Model)
Model->setScale(scale);
}
break;
case 1102:
env->addFileOpenDialog(L"Please select a model file to open");
break;
case 1103:
showAboutText();
break;
case 1104:
createToolBox();
break;
case 1105:
env->addFileOpenDialog(L"Please select your game archive/directory");
break;
}
break;
default:
break;
}
}
return false;
}
}; };
@ -733,20 +798,20 @@ int main(int argc, char* argv[])
gui::IGUIToolBar* bar = env->addToolBar(); gui::IGUIToolBar* bar = env->addToolBar();
video::ITexture* image = driver->getTexture("open.png"); video::ITexture* image = driver->getTexture("open.png");
bar->addButton(1102, 0, L"Open a model",image, 0, false, true); bar->addButton(GUI_ID_BUTTON_OPEN_MODEL, 0, L"Open a model",image, 0, false, true);
image = driver->getTexture("tools.png"); image = driver->getTexture("tools.png");
bar->addButton(1104, 0, L"Open Toolset",image, 0, false, true); bar->addButton(GUI_ID_BUTTON_SHOW_TOOLBOX, 0, L"Open Toolset",image, 0, false, true);
image = driver->getTexture("zip.png"); image = driver->getTexture("zip.png");
bar->addButton(1105, 0, L"Set Model Archive",image, 0, false, true); bar->addButton(GUI_ID_BUTTON_SELECT_ARCHIVE, 0, L"Set Model Archive",image, 0, false, true);
image = driver->getTexture("help.png"); image = driver->getTexture("help.png");
bar->addButton(1103, 0, L"Open Help", image, 0, false, true); bar->addButton(GUI_ID_BUTTON_SHOW_ABOUT, 0, L"Open Help", image, 0, false, true);
// create a combobox with some senseless texts // create a combobox with some senseless texts
gui::IGUIComboBox* box = env->addComboBox(core::rect<s32>(250,4,350,23), bar, 108); gui::IGUIComboBox* box = env->addComboBox(core::rect<s32>(250,4,350,23), bar, GUI_ID_TEXTUREFILTER);
box->addItem(L"No filtering"); box->addItem(L"No filtering");
box->addItem(L"Bilinear"); box->addItem(L"Bilinear");
box->addItem(L"Trilinear"); box->addItem(L"Trilinear");