void World::OnLButtonDown(int nX, int nY)
{
// Need to implement double click detection a different way for Linux
int nDblClickTime = 500;
#ifdef __PRAXIS_WINDOWS__
nDblClickTime = ::GetDoubleClickTime();
#endif
int nCurrClickTime = glutGet(GLUT_ELAPSED_TIME);
int nTimeBwClicks = nCurrClickTime - g_nLastClickTime;
g_nLastClickTime = nCurrClickTime;
if(nTimeBwClicks < nDblClickTime)
{
OnDoubleClick();
return;
}
stringstream ss;
ss << "LMBDown(" << nX << "," << nY << ")";
luaCall(ss.str());
m_bLeftMouseDown = true;
m_bLeftMouseWentDown = true;
if(m_bMouseMovesCamera)
m_bUpdatePickPosition = false;
// Map the mouse position to a character position in the editor, then send a callback with this information.
}
void World::OnKeyDown(unsigned char nKey, int nX, int nY)
{
//string temp(" "); temp[0] = nKey;
stringstream ss;
ss << "onKeyDown(" << (int)nKey << ")";
luaCall(ss.str());
}
void World::OnRButtonUp(int nX, int nY)
{
stringstream ss;
ss << "RMBUp(" << nX << "," << nY << ")";
luaCall(ss.str());
m_bRightMouseDown = false;
m_bUpdatePickPosition = true;
}
void World::OnLButtonUp(int nX, int nY)
{
stringstream ss;
ss << "LMBUp(" << nX << "," << nY << ")";
luaCall(ss.str());
m_bLeftMouseDown = false;
m_bDoubleClick = false;
m_bUpdatePickPosition = true;
}
void World::OnKeyUp(unsigned char nKey, int nX, int nY)
{
if(!m_bRenderEditor)
{
string temp(" "); temp[0] = nKey;
stringstream ss;
ss << "keyUp(\"" << temp.c_str() << "\")";
luaCall(ss.str());
}
//std::cout <<"OnKeyUp" << endl;
}
void World::OnRButtonDown(int nX, int nY)
{
stringstream ss;
ss << "RMBDown(" << nX << "," << nY << ")";
luaCall(ss.str());
m_bRightMouseDown = true;
m_bRightMouseWentDown = true;
if(m_bMouseMovesCamera)
m_bUpdatePickPosition = false;
}
int LuaMessageListener::DoFunction(MessageListener* ml, MessageData& data)
{
if (!luaState) return 0;
lua_getglobal(luaState, luaFunction.c_str()); //get function name
//if there isn't a function at the top of the stack, we failed to find it
if (!lua_isfunction(luaState, -1))
{
WARNING("Lua Function " + luaFunction + " not found during firing of event " + data.mId);
return 0;
}
//first argument, listener handle
lua_pushnumber(luaState, ml->handle);
//second argument, event id
lua_pushstring(luaState, data.mId.c_str());
//Convert our std::map to a lua table as the third parameter
lua_newtable(luaState);
int top = lua_gettop(luaState);
for (std::map<string, MessageData::messageItem>::iterator it = data.mData.begin(); it != data.mData.end(); ++it)
{
const char* key = it->first.c_str();
lua_pushstring(luaState, key);
//Add a data type that corrosponds to our value's type.
MessageData::messageItem& item = it->second;
switch (item.type)
{
case STRING:
lua_pushstring(luaState, item.s.c_str());
break;
case INTEGER:
lua_pushnumber(luaState, item.i);
break;
case USERDATA:
lua_pushlightuserdata(luaState, item.u);
break;
default: break;
}
lua_settable(luaState, top);
}
//fourth argument, our stored lua object
lua_rawgeti(luaState, LUA_REGISTRYINDEX, luaReference);
int result;
if (luaCall(luaState, 4, 1) != 0)
{
console->AddMessage("\\c900 * LUAEVENT [" + luaFunction + "] Fail");
//result = luaError( luaState, luaFunction, lua_tostring(luaState, -1) )
result = 0;
}
else
{
if (lua_isnumber(luaState, -1))
{
result = (int)lua_tonumber(luaState, -1); //get the result
}
}
lua_pop(luaState, 1); //get rid of result from stack
return result;
}
void World::OnKeyDownSpecial(unsigned char nKey, int nX, int nY)
{
{
//string temp(" "); temp[0] = nKey;
stringstream ss;
ss << "edKeyDownSpecial(" << (int)nKey << ")";
luaCall(ss.str());
}
GLEditor::m_bUpdateRequired = true;
// Have this call the lisp and forth functions as well?
// Or just Lua for now?
// Or just Lua, which calls other language stuff?
//std::cout << "OnKeyDownSpecial: " << (int)nKey << ", " << "Mods: " << glutGetModifiers() << std::endl;
if(nKey == GLUT_KEY_F1) luaCall("f1Pressed()");
if(nKey == GLUT_KEY_F2) luaCall("f2Pressed()");
if(nKey == GLUT_KEY_F3) luaCall("f3Pressed()");
if(nKey == GLUT_KEY_F4) luaCall("f4Pressed()");
if(nKey == GLUT_KEY_F5) luaCall("f5Pressed()");
if(nKey == GLUT_KEY_F6) luaCall("f6Pressed()");
if(nKey == GLUT_KEY_F7) luaCall("f7Pressed()");
if(nKey == GLUT_KEY_F8) luaCall("f8Pressed()");
if(nKey == GLUT_KEY_F9) luaCall("f9Pressed()");
if(nKey == GLUT_KEY_F10) luaCall("f10Pressed()");
if(nKey == GLUT_KEY_F11) luaCall("f11Pressed()");
if(nKey == GLUT_KEY_F12) luaCall("f12Pressed()");
// if(nKey == GLUT_KEY_TAB)
// {
// // std::cout << "tab from special" << endl;
// if(m_buffers.size() > 0)
// {
// if(glutGetModifiers() & GLUT_ACTIVE_CTRL)
// {
// if(glutGetModifiers() & GLUT_ACTIVE_SHIFT)
// PreviousEditor();
// else
// NextEditor();
// // early out here so that tab isn't registered as an editor key
// return;
// }
// }
// At the moment, GLUT callback behaviour is different between
// windows and linux, therefore I need to put a special case here.
// Ideally, I'd like all key presses that correspond to an ASCII
// character to go through keydown/up and all that do not to go
// into specialkeydown/up. That seems to be the intention of
// the "special" version, except for the case of TAB, which
// is considered special even though its printable.
// I think I may have made that change to OpenGLUT though.
// In windows, TAB goes here, but Ctrl-TAB goes into special.
#ifdef __PRAXIS_WINDOWS__
// Don't handle for TAB at all in this function except for buffer
// switching, since holding a modifier means TAB triggers here
// instead of as a printable in OnKeyDown.
// return;
#endif
// }
// REPL buffer for one line commands
// one line commands can be:
// edit("function name")
// which will open a new buffer just for editing that function
// still need to render the trace and error strings
// the last n lines of them.
// Don't handle if tab used to switch buffers.
// Update: Don't handle for TAB at all.
// TAB for spacing already handled in OnKeyDown
// TAB for buffer switching already handled earlier.
// This is for handling arrow keys and other non-ASCII key presses.
GetEditor()->Handle(0, nKey);
// Function keys and other shortcuts for:
// switching buffers
// loading and saving
// executing lua code
// go to definition
// Ctrl-Tab and Ctrl-Shift-Tab for buffer selection
}
void World::OnKeyDown(unsigned char nKey, int nX, int nY)
{
GLEditor::m_bUpdateRequired = true;
// When the buffer is visible, sent the keypresses to it.
// When the buffer isn't, call the lua function.
if(!m_bRenderEditor)
{
//string temp(" "); temp[0] = nKey;
stringstream ss;
ss << "keyDown(" << (int)nKey << ")";
luaCall(ss.str());
return;
}
else
{
//string temp(" "); temp[0] = nKey;
stringstream ss;
ss << "edKeyDown(" << (int)nKey << ")";
luaCall(ss.str());
}
// This is where to handle pressing enter for a command buffer.
// Do the command, then close
// Changed my mind. I only want it so I can press enter to submit the command.
// Use a prompt? Check for a prompt to decide whether to respond to enter pressed?
// The print command. An interactive repl. Printing to the current buffer nicely.
// Maybe a "parent buffer" is sufficient. Lets just use that for now.
// Named buffers? Named buffers sounds good.
// Can refer to them by name.
// newBuffer("testout")
// Simplifies saving. Just use the buffer name.
// For safety, if file exists, save numbered backup before overwriting.
// std::cout << "OnKeyDown: " << (int)nKey << ", " << "Mods: " << glutGetModifiers() << std::endl;
bool bCtrlEnter = false;
bool bShiftEnter = false;
#ifdef __PRAXIS_LINUX__
bCtrlEnter = (glutGetModifiers() & GLUT_ACTIVE_CTRL && nKey == '\r');
bShiftEnter = (glutGetModifiers() & GLUT_ACTIVE_SHIFT && nKey == '\r');
#endif
#ifdef __PRAXIS_WINDOWS__
bCtrlEnter = (nKey == '\n'); // Instead of '\r' presumably
bShiftEnter = (glutGetModifiers() & GLUT_ACTIVE_SHIFT && nKey == '\r');
#endif
// if(glutGetModifiers() & GLUT_ACTIVE_SHIFT)
// std::cout << "GLUT_ACTIVE_SHIFT : ON" << std::endl;
// else
// std::cout << "GLUT_ACTIVE_SHIFT : OFF" << std::endl;
// if(glutGetModifiers() & GLUT_ACTIVE_CTRL)
// std::cout << "GLUT_ACTIVE_CTRL : ON" << std::endl;
// else
// std::cout << "GLUT_ACTIVE_CTRL : OFF" << std::endl;
// std::cout << "bCtrlEnter = " << (bCtrlEnter ? "true" : "false") << std::endl;
// std::cout << "bShiftEnter = " << (bShiftEnter ? "true" : "false") << std::endl;
// Need to add a Lisp mode and a Forth mode.
// Switching is handled by the callbacks for those embedded languages.
if(!GLEditor::m_bNativeControl)
return;
// std::cout << "nKey = " << (int)nKey << endl;
if(nKey == 9)
{
//std::cout << "tab detected" << endl;
//nKey = GLUT_KEY_TAB;
if(m_buffers.size() > 0)
{
if(glutGetModifiers() & GLUT_ACTIVE_CTRL)
{
if(glutGetModifiers() & GLUT_ACTIVE_SHIFT)
PreviousEditor();
else
NextEditor();
// early out here so that tab isn't registered as an editor key
return;
}
}
}
if(bCtrlEnter)
{
std::string sLine = GetEditor()->GetCurrentLineText();
std::string sLua = GetEditor()->GetLuaBlock();
if(sLua != "")
luaCall(sLua);
else
luaCall(sLine);
}
else if(bShiftEnter)
{
std::string sLine = GetEditor()->GetCurrentLineText();
std::string sLua = GetEditor()->GetLuaBlock();
if(sLua != "")
GetEditor()->m_Position = GetEditor()->m_LuaBlockHighlight[1];
else
GetEditor()->m_Position = GetEditor()->LineEnd(GetEditor()->m_Position);
// Insert a line feed.
// Should go to the end of the block or line before inserting line feed.
GetEditor()->InsertNewline();
//GetEditor()->Update();
if(sLua != "")
luaCall(sLua);
else
luaCall(sLine);
}
else
{
// If its just the Control key or other modifier key, don't call this.
// Its preventing Ctrl-C and Ctrl-V from working in Linux.
if(nKey != 0)
GetEditor()->Handle(nKey, 0);
//std::cout << "Key handler called with " << (int)nKey << std::endl;
//std::cout << "Key = " << (int)nKey << std::endl;
}
}
void World::OnKeyUpSpecial(unsigned char nKey, int nX, int nY)
{
stringstream ss;
ss << "onKeyUpSpecial(" << (int)nKey << ")";
luaCall(ss.str());
}
void World::OnMouseMove(int nX, int nY)
{
// Although this works, the recast in ogWindowProc is a better solution.
// if(nX > 32768) nX -= 65536;
// if(nY > 32768) nY -= 65536;
// printf("OnMouseMove: %d, %d\n", nX, nY);
// fflush(stdout);
UpdateMousePos(nX, nY);
// lets try this - nope
// RefreshPickPosition();
// Need to change this so it calls the callback during either render or update
// so that the mouse pick position is up to date
stringstream ss;
ss << "OnMouseMove(" << m_vMouse2DPositionDelta.x << "," << m_vMouse2DPositionDelta.y << "," << nX << "," << nY << ")";
luaCall(ss.str());
if(m_bMouseMovesCamera)
{
if(m_bRightMouseDown)
{
if(glutGetModifiers() & GLUT_ACTIVE_SHIFT)
{
float fStepSize = m_vMouse2DPositionDelta.y * 0.2;
mlVector3D vCamera = GetCameraTransform()->GetTranslation();
float fDistance = (m_vMousePickPosition - vCamera).Magnitude();
fStepSize *= fDistance * 0.05f;
fStepSize = mlClamp(fStepSize, -20.0f, 20.0f);
mlVector3D vForward = vCamera - m_vMousePickPosition;
vForward.Normalise();
vForward *= fStepSize;
m_trnCamera.ApplyTranslation(vForward);
}
else
{
PanCamera(m_vMouse2DPositionDelta.x, m_vMouse2DPositionDelta.y);
}
}
if(m_bLeftMouseDown)
{
// This is a magic number which maps pixels of mouse motion to radians of rotation
float fRotationSpeed = 0.008f;
float fHeadingChange = fRotationSpeed * m_vMouse2DPositionDelta.x;
float fPitchChange = fRotationSpeed * m_vMouse2DPositionDelta.y;
if(m_bDoubleClick)
{
if(m_bUsePositionPreservingOrbitCamera)
PositionPreservingOrbitCamera(m_vMousePickPosition, fHeadingChange * 0.5, fPitchChange * 0.5);
else
OrientationPreservingOrbitCamera(m_vMousePickPosition, fHeadingChange * 0.5, fPitchChange * 0.5);
}
else
{
RotateCamera(fHeadingChange, fPitchChange);
}
}
}
}
void World::Render()
{
UseMainWindowContext();
glGetIntegerv(GL_VIEWPORT, viewport);
int fHeight = viewport[3];
int fWidth = viewport[2];
if(m_bRunning)
{
if(!luaCall("prerender()", "onerrorgl"))
{
m_bRunning = false;
}
//ioCall("render()");
}
glViewport(0,0,fWidth, fHeight);
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LESS);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
// glEnable(GL_CULL_FACE);
glDisable(GL_CULL_FACE);
// Turned this off for the Vivo Smart Tab
// Turn it back on again if needed.
//glEnable(GL_POLYGON_OFFSET_FILL);
//glPolygonOffset (1., 1.);
glClearColor(Int2FloatCol(m_nClearColorRed),
Int2FloatCol(m_nClearColorGreen),
Int2FloatCol(m_nClearColorBlue),
1.0f);
//glClearColor(0.0f, (float)(rand()%1000) * 0.001f, 0.0f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glMatrixMode(GL_PROJECTION);
glPushMatrix();
BuildGLMatrices();
RenderFloorPlane();
if(m_bUpdatePickPosition && !m_bDoubleClick)
RefreshFloorPickPosition();
glClearColor(Int2FloatCol(m_nClearColorRed),
Int2FloatCol(m_nClearColorGreen),
Int2FloatCol(m_nClearColorBlue),
1.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// turned off the lighting code for now
// too much to tune
// 3d ck didn't have lighting
// just a simple scheme for coloring the different faces
// of the object primitives so that they were distinct
//glEnable(GL_LIGHTING);
//glEnable(GL_LIGHT0);
//glEnable(GL_LIGHT1);
//glEnable(GL_MULTISAMPLE);
glEnable(GL_COLOR_MATERIAL);
if(m_bRenderFloorGrid)
RenderFloorGrid();
//static GLfloat lightPosition[4] = { 0.5, 5.0, 7.0, 1.0 };
//static GLfloat lightPosition1[4] = { 30, 10, 30, 1.0 };
//static GLfloat lightPosition2[4] = { 0, 20, 400, 1.0 };
//glLightfv(GL_LIGHT0, GL_POSITION, lightPosition2);
//glLightfv(GL_LIGHT1, GL_POSITION, lightPosition2);
// x = 400, y = -300 + i * 60, z = 20
//glLightfv(GL_LIGHT0, GL_POSITION, lightPosition);
//glColorMaterial(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE);
glColor4ub(255,255,255,255);
if(m_bRunning)
{
if(!luaCall("render()", "onerrorgl"))
{
m_bRunning = false;
}
//ioCall("render()");
}
// Restore a sane render state in case render left it in a bad condition
glDisable(GL_STENCIL_TEST);
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LESS);
glColorMask(1,1,1,1);
// If there is an error, then stop the automatic lua calls.
UseMainWindowContext();
glColor4ub(0,255,0,255); // green
//if(m_bRenderOutput)
// DrawText3DStroked(mlVector3D(-50,0,0 ), SelectEndLines(luaGetOutput(),100));
//if(m_bRenderError)
// DrawText3DStroked(mlVector3D(-50,0,200), SelectEndLines(luaGetError(),100));
if(m_bRenderFloorPlane)
RenderFloorPlane();
if(m_bUpdatePickPosition && !m_bDoubleClick)
RefreshPickPosition();
if(m_bRenderMousePickSphere)
RenderMousePickSphere();
if(m_bRenderProbesHUD)
RenderProbes();
if(m_bRunning)
{
if(!luaCall("postrender()", "onerrorgl"))
{
m_bRunning = false;
}
}
// Restore a sane render state in case postrender left it in a bad condition
glDisable(GL_STENCIL_TEST);
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LESS);
glColorMask(1,1,1,1);
glDisable(GL_LIGHTING);
glDisable(GL_LIGHT0);
glDisable(GL_LIGHT1);
glDisable(GL_MULTISAMPLE);
glMatrixMode(GL_PROJECTION);
glPopMatrix();
if(m_bRenderEditor)
{
// Get rid of this completely.
qt_save_gl_state();
GetEditor()->Render();
qt_restore_gl_state();
DrawText2D(mlVector3D(5,2), std::string("Buffer: ") + GetEditor()->GetName());
}
if(m_bRenderFPS)
{
#ifdef __PRAXIS_WINDOWS__
int nCurrentTime = ::timeGetTime();
#endif
#ifdef __PRAXIS_LINUX__
int nCurrentTime = glutGet(GLUT_ELAPSED_TIME);
#endif
if(m_nRenderCount % 10 == 0)
{
int nTimeDelta = nCurrentTime - g_nLastFrameTime;
g_nLastFrameTime = nCurrentTime;
g_fFPS = 1000.0f / (float)nTimeDelta;
g_fFPS *= 10.0f;
}
//qt_save_gl_state();
//GetEditor()->Render();
//qt_restore_gl_state();
// Render a graph
// A widget
// A camera aligned widget
// A widget for the 2D world
// Just a camera aligned widget will do.
stringstream ss; ss << std::setprecision(0) << std::fixed << g_fFPS << "fps";
DrawText2D(mlVector3D(90,95), ss.str());
}
// Also, FPS
// Get current time
// Compare with previous time
// Calculate and display FPS
// ????
// PROFIT
if(m_bRenderOutput)
DrawText2D(mlVector3D(10 + GLEditor::m_nDesiredTextureSize + 10, 35 + GLEditor::m_nDesiredTextureSize - 13), SelectEndLines(PraxisLog::trace,20), fWidth, fHeight);
if(m_bRenderError)
DrawText2D(mlVector3D(10 + GLEditor::m_nDesiredTextureSize + 10, 35 + (GLEditor::m_nDesiredTextureSize / 4)), SelectEndLines(PraxisLog::error,20), fWidth, fHeight);
m_nRenderCount++;
}
void World::Update()
{
// if(worldGetWin32Modifiers() & GLUT_ACTIVE_CTRL)
// m_bMouseMovesCamera = false;
// else
// m_bMouseMovesCamera = true;
if(m_bMouseMovesCamera)
{
if(m_bLeftMouseDown)
{
if(m_bDoubleClick)
{
if(m_bUsePositionPreservingOrbitCamera)
PositionPreservingOrbitCamera(m_vMousePickPosition, 0.0f, 0.0f);
else
OrientationPreservingOrbitCamera(m_vMousePickPosition, 0.0f, 0.0f);
}
}
}
m_bLeftMouseWentDown = false;
m_bRightMouseWentDown = false;
if(m_bRunning)
{
if(!luaCall("update()"))
{
m_bRunning = false;
}
}
GetEditor()->Update();
#ifdef __PRAXIS_WINDOWS__
// Move this default behaviour as well as that of World::Render into lua?
// Polling the date modified property of a file can cause sporadic stalls
// Polling the clipboard should be cheap and quick
// Poll the clipboard, check if it is text and that it has a praxis: prefix.
// If it does, then run the script following the prefix.
// Empty the clipboard so it doesn't get run again.
// I have a clear task ahead of me. So do it!
// Step 1: Refer to Win32 book to see example of how to access the clipboard.
// The clipboard is Chapter 12 in Petzold.
luaCall("if string.sub(getClipboardText(), 1, #praxis_instance_name + 4) == \"-- \" .. praxis_instance_name .. \":\" then "
"local sCmd = string.sub(getClipboardText(), #praxis_instance_name + 4 + 1) "
"clearClipboardText() "
"luaCall(sCmd) "
"end");
#endif
#ifdef __PRAXIS_LINUX__
extern pthread_mutex_t g_inputthreadmutex;
extern std::string g_sInputThreadString;
extern bool g_bInputThreadNewString;
pthread_mutex_lock (&g_inputthreadmutex);
if(g_bInputThreadNewString)
{
luaCall(g_sInputThreadString);
g_bInputThreadNewString = false;
}
pthread_mutex_unlock (&g_inputthreadmutex);
#endif
m_nUpdateCount++;
}
void World::Init()
{
NewEditor();
luaCall("dofile(\"prod.lua\")");
}
