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Rework MeshViewer: 

- 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
master
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_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
MAX_FRAMERATE = 1000,
DEFAULT_FRAMERATE = 30
};
/*
Toggle between various cameras
*/
@ -96,6 +109,40 @@ void setActiveCamera(scene::ICameraSceneNode* 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
first function showAboutText() simply displays a messagebox with a caption and
@ -198,13 +245,7 @@ void loadModel(const c8* fn)
if (menu)
for(int item = 1; item < 6; ++item)
menu->setItemChecked(item, false);
IGUIElement* toolboxWnd = Device->getGUIEnvironment()->getRootGUIElement()->getElementFromId(GUI_ID_DIALOG_ROOT_WINDOW, true);
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");
}
UpdateScaleInfo(Model);
}
@ -234,7 +275,7 @@ void createToolBox()
// add some edit boxes and a button to tab one
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->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);
@ -242,13 +283,19 @@ void createToolBox()
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->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
env->addStaticText(L"GUI Transparency Control:",
core::rect<s32>(10,200,150,225), true, false, t1);
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->setPos(255);
@ -256,7 +303,7 @@ void createToolBox()
env->addStaticText(L"Framerate:",
core::rect<s32>(10,240,150,265), true, false, t1);
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->setPos(DEFAULT_FRAMERATE);
@ -265,7 +312,6 @@ void createToolBox()
root->bringToFront(root->getElementFromId(666, true));
}
/*
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
@ -327,15 +373,112 @@ public:
switch(event.GUIEvent.EventType)
{
case EGET_MENU_ITEM_SELECTED:
{
// a menu item was clicked
OnMenuItemSelected( (IGUIContextMenu*)event.GUIEvent.Caller );
break;
IGUIContextMenu* menu = (IGUIContextMenu*)event.GUIEvent.Caller;
s32 id = menu->getItemCommandId(menu->getSelectedItem());
case EGET_FILE_SELECTED:
{
// 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)
{
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");
break;
case GUI_ID_SET_MODEL_ARCHIVE: // File -> Set Model Archive
@ -424,47 +567,15 @@ public:
case GUI_ID_CAMERA_FIRST_PERSON:
setActiveCamera(Camera[1]);
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
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();
s32 pos = combo->getSelected();
switch (pos)
{
case 0:
@ -503,52 +614,6 @@ public:
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();
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");
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");
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");
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
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"Bilinear");
box->addItem(L"Trilinear");