void Platform::Draw ()
{
glPushMatrix();
GLuint list = MakeCube(pos.x, pos.y, pos.z);
glCallList(list);
glDeleteLists(list, 1);
glPopMatrix();
}
void RNCubeExample::Prepare(Wz4RenderContext *ctx)
{
// create vertex buffer here per frame.
// it might be used multiple times.
MakeCube();
// this is the right place for complicated math
sSRT srt;
srt.Scale = Para.Scale;
srt.Rotate = Para.Rot*sPI2F;
srt.Translate = Para.Trans;
srt.MakeMatrix(Matrix);
if(Mtrl) Mtrl->BeforeFrame(Para.EnvNum);
}
void Mesh::MakeMesh(MeshType type, uint steps)
{
switch (type)
{
case MeshType::MeshTypeCube:
MakeCube();
break;
case MeshType::MeshTypeCylinder:
MakeCylinder(steps);
break;
case MeshType::MeshTypeSphere:
MakeSphere(steps);
break;
default:
Trace::WriteLine(String::Format("Unknown mesh type:{0}", type));
break;
}
}
void
main(int argc, char *argv[])
{
int i;
#ifdef IRIX_5_1_MOTIF_BUG_WORKAROUND
/*
* XXX Unfortunately a bug in the IRIX 5.1 Motif shared library
* causes a BadMatch X protocol error if the SGI look&feel
* is enabled for this program. If we detect we are on an
* IRIX 5.1 system, skip the first two fallback resources which
* specify using the SGI look&feel.
*/
struct utsname versionInfo;
if(uname(&versionInfo) >= 0) {
if(!strcmp(versionInfo.sysname, "IRIX") &&
!strncmp(versionInfo.release, "5.1", 3)) {
toplevel = XtAppInitialize(&app, "Textfun", NULL, 0, &argc, argv,
&fallbackResources[2], NULL, 0);
}
}
if(toplevel == NULL) {
toplevel = XtAppInitialize(&app, "Textfun", NULL, 0, &argc, argv,
fallbackResources, NULL, 0);
}
#else
toplevel = XtAppInitialize(&app, "Textfun", NULL, 0, &argc, argv,
fallbackResources, NULL, 0);
#endif
dpy = XtDisplay(toplevel);
/* find an OpenGL-capable RGB visual with depth buffer */
vi = glXChooseVisual(dpy, DefaultScreen(dpy), dblBuf);
if (vi == NULL) {
vi = glXChooseVisual(dpy, DefaultScreen(dpy), snglBuf);
if (vi == NULL)
XtAppError(app, "no RGB visual with depth buffer");
doubleBuffer = GL_FALSE;
}
for (i = 0; i < NUM_FONT_ENTRIES; i++) {
fontEntry[i].xfont = XLoadQueryFont(dpy, fontEntry[i].xlfd);
if (i == 0 && !fontEntry[i].xfont)
XtAppError(app, "could not get basic font");
}
fontEntry[0].fontinfo = SuckGlyphsFromServer(dpy, fontEntry[0].xfont->fid);
if (!fontEntry[0].fontinfo)
XtAppError(app, "could not get font glyphs");
/* create an OpenGL rendering context */
cx = glXCreateContext(dpy, vi, /* no display list sharing */ None,
/* favor direct */ GL_TRUE);
if (cx == NULL)
XtAppError(app, "could not create rendering context");
/* create an X colormap since probably not using default visual */
cmap = XCreateColormap(dpy, RootWindow(dpy, vi->screen),
vi->visual, AllocNone);
XtVaSetValues(toplevel, XtNvisual, vi->visual, XtNdepth, vi->depth,
XtNcolormap, cmap, NULL);
XtAddEventHandler(toplevel, StructureNotifyMask, False,
map_state_changed, NULL);
mainw = XmCreateMainWindow(toplevel, "mainw", NULL, 0);
XtManageChild(mainw);
/* create menu bar */
menubar = XmCreateMenuBar(mainw, "menubar", NULL, 0);
XtManageChild(menubar);
/* hack around Xt's ignorance of visuals */
XtSetArg(menuPaneArgs[0], XmNdepth, DefaultDepthOfScreen(XtScreen(mainw)));
XtSetArg(menuPaneArgs[1],
XmNcolormap, DefaultColormapOfScreen(XtScreen(mainw)));
/* create File pulldown menu: Quit */
menupane = XmCreatePulldownMenu(menubar, "menupane", menuPaneArgs, 2);
btn = XmCreatePushButton(menupane, "Quit", NULL, 0);
XtAddCallback(btn, XmNactivateCallback, quit, NULL);
XtManageChild(btn);
XtSetArg(args[0], XmNsubMenuId, menupane);
cascade = XmCreateCascadeButton(menubar, "File", args, 1);
XtManageChild(cascade);
/* create Options pulldown menu: Motion, Dolly, Rotate, Wobble */
menupane = XmCreatePulldownMenu(menubar, "menupane", menuPaneArgs, 2);
btn = XmCreateToggleButton(menupane, "Motion", NULL, 0);
XtAddCallback(btn, XmNvalueChangedCallback, (XtCallbackProc) toggle, NULL);
XtManageChild(btn);
btn = XmCreateToggleButton(menupane, "Dolly", NULL, 0);
XtAddCallback(btn, XmNvalueChangedCallback, (XtCallbackProc) dolly, NULL);
XtVaSetValues(btn, XmNset, True, NULL);
XtManageChild(btn);
btn = XmCreateToggleButton(menupane, "Rotate", NULL, 0);
XtAddCallback(btn, XmNvalueChangedCallback, (XtCallbackProc) rotate, NULL);
XtManageChild(btn);
btn = XmCreateToggleButton(menupane, "Wobble", NULL, 0);
XtAddCallback(btn, XmNvalueChangedCallback, (XtCallbackProc) wobble, NULL);
XtManageChild(btn);
XtSetArg(args[0], XmNsubMenuId, menupane);
cascade = XmCreateCascadeButton(menubar, "Options", args, 1);
XtManageChild(cascade);
XtSetArg(menuPaneArgs[2], XmNradioBehavior, True);
XtSetArg(menuPaneArgs[3], XmNradioAlwaysOne, True);
menupane = XmCreatePulldownMenu(menubar, "menupane", menuPaneArgs, 4);
XtAddCallback(menupane, XmNentryCallback, (XtCallbackProc) fontSelect, NULL);
for (i = 0; i < NUM_FONT_ENTRIES; i++) {
btn = XmCreateToggleButton(menupane, fontEntry[i].name, NULL, 0);
XtAddCallback(btn, XmNvalueChangedCallback, (XtCallbackProc) neverCalled, &fontEntry[i]);
if (i == 0)
XtVaSetValues(btn, XmNset, True, NULL);
if (!fontEntry[i].xfont)
XtSetSensitive(btn, False);
XtManageChild(btn);
}
XtSetArg(args[0], XmNsubMenuId, menupane);
cascade = XmCreateCascadeButton(menubar, "Font", args, 1);
XtManageChild(cascade);
/* create framed drawing area for OpenGL rendering */
frame = XmCreateFrame(mainw, "frame", NULL, 0);
XtManageChild(frame);
glxarea = XtCreateManagedWidget("glxarea", xmDrawingAreaWidgetClass,
frame, NULL, 0);
XtAddCallback(glxarea, XmNexposeCallback, (XtCallbackProc) draw, NULL);
XtAddCallback(glxarea, XmNresizeCallback, resize, NULL);
XtAddCallback(glxarea, XmNinputCallback, input, NULL);
/* set up application's window layout */
XmMainWindowSetAreas(mainw, menubar, NULL, NULL, NULL, frame);
XtRealizeWidget(toplevel);
/*
* Once widget is realized (ie, associated with a created X window), we
* can bind the OpenGL rendering context to the window.
*/
glXMakeCurrent(dpy, XtWindow(glxarea), cx);
made_current = GL_TRUE;
/* setup OpenGL state */
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LEQUAL);
glClearDepth(1.0);
glMatrixMode(GL_PROJECTION);
glFrustum(-1.0, 1.0, -1.0, 1.0, 1.0, 80);
glMatrixMode(GL_MODELVIEW);
MakeCube();
if (argv[1] != NULL) {
numMessages = argc - 1;
messages = &argv[1];
} else {
numMessages = NUM_DEFAULT_MESSAGES;
messages = defaultMessage;
}
base = glGenLists(numMessages + 1);
SetupMessageDisplayList(&fontEntry[0], numMessages, messages);
tick();
/* start event processing */
XtAppMainLoop(app);
}
///////////////////////////////////////////////////////////////////////////////
// This function does any needed initialization on the rendering context.
// This is the first opportunity to do any OpenGL related tasks.
void SetupRC()
{
GLbyte *pBytes;
GLint nWidth, nHeight, nComponents;
GLenum format;
shaderManager.InitializeStockShaders();
// Black background
glClearColor(0.0f, 0.0f, 0.0f, 1.0f );
glEnable(GL_DEPTH_TEST);
glLineWidth(2.5f);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glHint(GL_LINE_SMOOTH_HINT, GL_NICEST);
transformPipeline.SetMatrixStacks(modelViewMatrix, projectionMatrix);
cameraFrame.MoveForward(-15.0f);
cameraFrame.MoveUp(6.0f);
cameraFrame.RotateLocalX(float(m3dDegToRad(20.0f)));
MakeCube(cubeBatch);
MakeFloor(floorBatch);
// Make top
topBlock.Begin(GL_TRIANGLE_FAN, 4, 1);
topBlock.Normal3f(0.0f, 1.0f, 0.0f);
topBlock.MultiTexCoord2f(0, 0.0f, 0.0f);
topBlock.Vertex3f(-1.0f, 1.0f, 1.0f);
topBlock.Normal3f(0.0f, 1.0f, 0.0f);
topBlock.MultiTexCoord2f(0, 1.0f, 0.0f);
topBlock.Vertex3f(1.0f, 1.0f, 1.0f);
topBlock.Normal3f(0.0f, 1.0f, 0.0f);
topBlock.MultiTexCoord2f(0, 1.0f, 1.0f);
topBlock.Vertex3f(1.0f, 1.0f, -1.0f);
topBlock.Normal3f(0.0f, 1.0f, 0.0f);
topBlock.MultiTexCoord2f(0, 0.0f, 1.0f);
topBlock.Vertex3f(-1.0f, 1.0f, -1.0f);
topBlock.End();
// Make Front
frontBlock.Begin(GL_TRIANGLE_FAN, 4, 1);
frontBlock.Normal3f(0.0f, 0.0f, 1.0f);
frontBlock.MultiTexCoord2f(0, 0.0f, 0.0f);
frontBlock.Vertex3f(-1.0f, -1.0f, 1.0f);
frontBlock.Normal3f(0.0f, 0.0f, 1.0f);
frontBlock.MultiTexCoord2f(0, 1.0f, 0.0f);
frontBlock.Vertex3f(1.0f, -1.0f, 1.0f);
frontBlock.Normal3f(0.0f, 0.0f, 1.0f);
frontBlock.MultiTexCoord2f(0, 1.0f, 1.0f);
frontBlock.Vertex3f(1.0f, 1.0f, 1.0f);
frontBlock.Normal3f(0.0f, 0.0f, 1.0f);
frontBlock.MultiTexCoord2f(0, 0.0f, 1.0f);
frontBlock.Vertex3f(-1.0f, 1.0f, 1.0f);
frontBlock.End();
// Make left
leftBlock.Begin(GL_TRIANGLE_FAN, 4, 1);
leftBlock.Normal3f(-1.0f, 0.0f, 0.0f);
leftBlock.MultiTexCoord2f(0, 0.0f, 0.0f);
leftBlock.Vertex3f(-1.0f, -1.0f, -1.0f);
leftBlock.Normal3f(-1.0f, 0.0f, 0.0f);
leftBlock.MultiTexCoord2f(0, 1.0f, 0.0f);
leftBlock.Vertex3f(-1.0f, -1.0f, 1.0f);
leftBlock.Normal3f(-1.0f, 0.0f, 0.0f);
leftBlock.MultiTexCoord2f(0, 1.0f, 1.0f);
leftBlock.Vertex3f(-1.0f, 1.0f, 1.0f);
leftBlock.Normal3f(-1.0f, 0.0f, 0.0f);
leftBlock.MultiTexCoord2f(0, 0.0f, 1.0f);
leftBlock.Vertex3f(-1.0f, 1.0f, -1.0f);
leftBlock.End();
// Create shadow projection matrix
GLfloat floorPlane[] = { 0.0f, 1.0f, 0.0f, 1.0f};
m3dMakePlanarShadowMatrix(shadowMatrix, floorPlane, vLightPos);
// Load up four textures
glGenTextures(4, textures);
// Wood floor
pBytes = gltReadTGABits("floor.tga", &nWidth, &nHeight, &nComponents, &format);
glBindTexture(GL_TEXTURE_2D, textures[0]);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexImage2D(GL_TEXTURE_2D,0,nComponents,nWidth, nHeight, 0,
format, GL_UNSIGNED_BYTE, pBytes);
free(pBytes);
// One of the block faces
pBytes = gltReadTGABits("Block4.tga", &nWidth, &nHeight, &nComponents, &format);
glBindTexture(GL_TEXTURE_2D, textures[1]);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexImage2D(GL_TEXTURE_2D,0,nComponents,nWidth, nHeight, 0,
format, GL_UNSIGNED_BYTE, pBytes);
free(pBytes);
// Another block face
pBytes = gltReadTGABits("block5.tga", &nWidth, &nHeight, &nComponents, &format);
glBindTexture(GL_TEXTURE_2D, textures[2]);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexImage2D(GL_TEXTURE_2D,0,nComponents,nWidth, nHeight, 0,
format, GL_UNSIGNED_BYTE, pBytes);
free(pBytes);
// Yet another block face
pBytes = gltReadTGABits("block6.tga", &nWidth, &nHeight, &nComponents, &format);
glBindTexture(GL_TEXTURE_2D, textures[3]);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexImage2D(GL_TEXTURE_2D,0,nComponents,nWidth, nHeight, 0,
format, GL_UNSIGNED_BYTE, pBytes);
free(pBytes);
}
//---------------------------------------------------------------------------
double DoRInterpolation(double r, double g, double b)
{
double x1,y1,z1;
double x2,y2,z2;
double x3,y3,z3;
double x4,y4,z4;
double g1, g2, e1, e2;
TColorTable ct[8];
MakeCube(r,g,b, ct);
x1 = ct[0].BM;
y1 = ct[0].RM;
z1 = ct[0].GM;
x2 = ct[7].BM;
y2 = ct[7].RM;
z2 = ct[7].GM;
x3 = ct[3].BM;
y3 = ct[3].RM;
z3 = ct[3].GM;
x4 = ct[5].BM;
y4 = ct[5].RM;
z4 = ct[5].GM;
g1 = PlaneInterpolaton(x1,y1,z1,x2,y2,z2,x3,y3,z3,x4,y4,z4,b,r);
z1 = ct[0].R - ct[0].RM;
z2 = ct[7].R - ct[7].RM;
z3 = ct[3].R - ct[3].RM;
z4 = ct[5].R - ct[5].RM;
e1 = PlaneInterpolaton(x1,y1,z1,x2,y2,z2,x3,y3,z3,x4,y4,z4,b,r);
x1 = ct[6].BM;
y1 = ct[6].RM;
z1 = ct[6].GM;
x2 = ct[2].BM;
y2 = ct[2].RM;
z2 = ct[2].GM;
x3 = ct[1].BM;
y3 = ct[1].RM;
z3 = ct[1].GM;
x4 = ct[4].BM;
y4 = ct[4].RM;
z4 = ct[4].GM;
g2 = PlaneInterpolaton(x1,y1,z1,x2,y2,z2,x3,y3,z3,x4,y4,z4,b,r);
z1 = ct[6].R - ct[6].RM;
z2 = ct[2].R - ct[2].RM;
z3 = ct[1].R - ct[1].RM;
z4 = ct[4].R - ct[4].RM;
e2 = PlaneInterpolaton(x1,y1,z1,x2,y2,z2,x3,y3,z3,x4,y4,z4,b,r);
return Interpolation(g1,g2,e1,e2, g);
}