+++ /dev/null
-/*
-GenSurf plugin for GtkRadiant
-Copyright (C) 2001 David Hyde, Loki software and qeradiant.com
-
-This library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Lesser General Public
-License as published by the Free Software Foundation; either
-version 2.1 of the License, or (at your option) any later version.
-
-This library is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-Lesser General Public License for more details.
-
-You should have received a copy of the GNU Lesser General Public
-License along with this library; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-*/
-
-#include <math.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include "gensurf.h"
-
-#undef ISOMETRIC
-
-extern double backface;
-extern double dh, dv;
-extern double xmin,xmax,ymin,ymax,zmin,zmax;
-
-double SF, SFG; // Graphics scale factors
-double XLo, XHi, YLo, YHi, ZLo, ZHi;
-double yaw,roll;
-double elevation,azimuth;
-int cxChar = 10, cyChar = 16;
-int X0, Y0;
-int X0G, Y0G;
-
-static Rect rcCoord; // where X= Y= is drawn
-static Rect rcGrid; // rectangle within rcLower that forms the border of the grid, plus
- // a 3 pixel slop.
-static Rect rcLower; // lower half of window, where plan view is drawn
-static Rect rcUpper; // upper half or entire window, where isometric projection is drawn
-
-void vertex_selected ();
-void texfont_init ();
-void texfont_write (const char *text, int l, int t);
-
-#define PEN_GRID { \
- g_GLTable.m_pfn_qglLineWidth (1); \
- g_GLTable.m_pfn_qglColor3f (0, 1, 0); \
- g_GLTable.m_pfn_qglDisable (GL_LINE_STIPPLE); }
-
-#define PEN_RED { \
- g_GLTable.m_pfn_qglLineWidth (2); \
- g_GLTable.m_pfn_qglColor3f (1, 0, 0); \
- g_GLTable.m_pfn_qglDisable (GL_LINE_STIPPLE); }
-
-#define PEN_DASH { \
- g_GLTable.m_pfn_qglLineWidth (1); \
- g_GLTable.m_pfn_qglColor3f (0, 1, 0); \
- g_GLTable.m_pfn_qglLineStipple (1, 0xF0F0); \
- g_GLTable.m_pfn_qglEnable (GL_LINE_STIPPLE); }
-
-#define DRAW_QUAD(rc,r,g,b) { \
- g_GLTable.m_pfn_qglBegin (GL_QUADS); \
- g_GLTable.m_pfn_qglColor3f (0,1,0); \
- g_GLTable.m_pfn_qglVertex2i (rc.left-1, rc.bottom); \
- g_GLTable.m_pfn_qglVertex2i (rc.right, rc.bottom); \
- g_GLTable.m_pfn_qglVertex2i (rc.right, rc.top+1); \
- g_GLTable.m_pfn_qglVertex2i (rc.left-1, rc.top+1); \
- g_GLTable.m_pfn_qglColor3f (r,g,b); \
- g_GLTable.m_pfn_qglVertex2i (rc.left, rc.bottom+1); \
- g_GLTable.m_pfn_qglVertex2i (rc.right-1, rc.bottom+1); \
- g_GLTable.m_pfn_qglVertex2i (rc.right-1, rc.top); \
- g_GLTable.m_pfn_qglVertex2i (rc.left, rc.top); \
- g_GLTable.m_pfn_qglEnd (); }
-
-
-#ifndef ISOMETRIC
-double D=65536.;
-double ct[3],st[3];
-double Hhi, Hlo, Vhi, Vlo;
-#endif
-
-#define SUBDIVS 6
-
-
-void ShowPreview ()
-{
- if (Preview)
- {
- if (g_pWndPreview == NULL)
- CreateViewWindow ();
- gtk_widget_show (g_pWndPreview);
-
- UpdatePreview (true);
- }
- else
- gtk_widget_hide (g_pWndPreview);
-}
-
-static void draw_preview ()
-{
- int width = g_pPreviewWidget->allocation.width, height = g_pPreviewWidget->allocation.height;
-
- g_GLTable.m_pfn_qglClearColor (0, 0, 0, 1);
- g_GLTable.m_pfn_qglViewport (0, 0, width, height);
- g_GLTable.m_pfn_qglMatrixMode (GL_PROJECTION);
- g_GLTable.m_pfn_qglLoadIdentity ();
- g_GLTable.m_pfn_qglOrtho (0, width, 0, height, -1, 1);
- g_GLTable.m_pfn_qglClear (GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
-
- // ^Fishman - Antializing for the preview window.
- if (Antialiasing)
- {
- g_GLTable.m_pfn_qglEnable(GL_BLEND);
- g_GLTable.m_pfn_qglBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
- g_GLTable.m_pfn_qglEnable(GL_LINE_SMOOTH);
- }
- else
- {
- g_GLTable.m_pfn_qglDisable(GL_BLEND);
- g_GLTable.m_pfn_qglDisable(GL_LINE_SMOOTH);
- }
-
- texfont_init ();
-
- if (!ValidSurface ())
- return;
-
- rcUpper.left = 0;
- rcUpper.right = width;
- rcUpper.bottom = 0;
- rcUpper.top = height;
- rcLower.left = 0;
- rcLower.right = width;
- rcLower.bottom = 0;
- rcLower.top = height;
-
- if (VertexMode)
- {
- rcUpper.bottom = rcUpper.top/2;
- DrawPreview (rcUpper);
- g_GLTable.m_pfn_qglBegin (GL_LINES);
- g_GLTable.m_pfn_qglVertex2i (rcUpper.left, rcUpper.bottom);
- g_GLTable.m_pfn_qglVertex2i (rcUpper.right, rcUpper.bottom);
- g_GLTable.m_pfn_qglEnd ();
- rcLower.top = rcUpper.bottom-1;
- DrawGrid (rcLower);
- rcCoord.left = rcLower.left;
- rcCoord.right = rcLower.right;
- rcCoord.bottom = rcLower.bottom;
- rcCoord.top = rcLower.top;
- rcCoord.top = rcCoord.bottom+cyChar;
- rcCoord.right = rcCoord.left + 15*cxChar;
- rcGrid.left = X0G - 3;
- rcGrid.bottom = Y0G - 3;
- rcGrid.right = X0G + (int)(SFG*(Hur-Hll)) + 3;
- rcGrid.top = Y0G + (int)(SFG*(Vur-Vll)) + 3;
- }
- else
- DrawPreview (rcUpper);
-}
-
-static gint expose (GtkWidget *widget, GdkEventExpose *event, gpointer data)
-{
- if (event->count > 0)
- return TRUE;
-
- if (!g_UIGtkTable.m_pfn_glwidget_make_current (g_pPreviewWidget))
- {
- g_FuncTable.m_pfnSysPrintf ("GtkGenSurf: glMakeCurrent failed\n");
- return TRUE;
- }
-
- draw_preview ();
-
- g_UIGtkTable.m_pfn_glwidget_swap_buffers (g_pPreviewWidget);
- g_GLTable.m_pfn_QE_CheckOpenGLForErrors ();
-
- return TRUE;
-}
-
-static void button_press (GtkWidget *widget, GdkEventButton *event, gpointer data)
-{
- Point pt = { (long)event->x, widget->allocation.height - (long)event->y };
- bool Selected;
- double x,y;
- int i, j, k, ks;
- int i0, i1, j0, j1;
-
- if ((!VertexMode) || (event->button != 1))
- return;
-
- if (!PtInRect (&rcGrid,pt))
- {
- gdk_beep ();
- return;
- }
-
- x = Hll + (pt.x-X0G)/SFG;
- y = Vur - (pt.y-Y0G)/SFG;
- i = (int)(floor( (x-Hll)/dh - 0.5) + 1);
- j = (int)(floor( (y-Vll)/dv - 0.5) + 1);
- if (i < 0 || i > NH || j < 0 || j > NV)
- {
- gdk_beep ();
- return;
- }
-
- if(!CanEdit(i,j))
- {
- gdk_beep ();
- return;
- }
-
- // Control key pressed - add this point, or remove it if already selected
- if ((event->state & GDK_CONTROL_MASK) != 0)
- {
- Selected = FALSE;
- if (NumVerticesSelected)
- {
- for (k=0; k<NumVerticesSelected && !Selected; k++)
- {
- if(Vertex[k].i == i && Vertex[k].j == j)
- {
- Selected = TRUE;
- ks = k;
- }
- }
- }
-
- // Already selected - unselect it.
- if (Selected)
- {
- if (ks < NumVerticesSelected)
- {
- for (k=ks;k<NumVerticesSelected-1;k++)
- {
- Vertex[k].i = Vertex[k+1].i;
- Vertex[k].j = Vertex[k+1].j;
- }
- NumVerticesSelected--;
- }
- }
- else
- {
- Vertex[NumVerticesSelected].i = i;
- Vertex[NumVerticesSelected].j = j;
- NumVerticesSelected++;
- }
- }
- else if ((event->state & GDK_SHIFT_MASK) != 0)
- {
- if (NumVerticesSelected)
- {
- NumVerticesSelected = 1;
- i0 = min(Vertex[0].i, i);
- i1 = max(Vertex[0].i, i);
- j0 = min(Vertex[0].j, j);
- j1 = max(Vertex[0].j, j);
- for(i=i0; i<=i1; i++)
- {
- for(j=j0; j<=j1; j++)
- {
- if(i==0 && j==0 ) continue;
- if(i==NH && j==0 ) continue;
- if(i==0 && j==NV) continue;
- if(i==NH && j==NV) continue;
- if(i != Vertex[0].i || j != Vertex[0].j)
- {
- Vertex[NumVerticesSelected].i = i;
- Vertex[NumVerticesSelected].j = j;
- NumVerticesSelected++;
- }
- }
- }
- }
- else
- {
- Vertex[0].i = i;
- Vertex[0].j = j;
- NumVerticesSelected = 1;
- }
- }
- else
- {
- Vertex[0].i = i;
- Vertex[0].j = j;
- NumVerticesSelected = 1;
- }
-
- vertex_selected ();
-}
-
-static void motion (GtkWidget *widget, GdkEventMotion *event, gpointer data)
-{
- Point pt = { (long)event->x, widget->allocation.height - (long)event->y };
-
- if (!VertexMode)
- return;
-
- if (!g_UIGtkTable.m_pfn_glwidget_make_current (g_pPreviewWidget))
- {
- g_FuncTable.m_pfnSysPrintf ("GtkGenSurf: glMakeCurrent failed\n");
- return;
- }
-
- g_GLTable.m_pfn_qglEnable (GL_SCISSOR_TEST);
- g_GLTable.m_pfn_qglScissor (rcCoord.left, rcCoord.bottom, rcCoord.right-rcCoord.left,
- rcCoord.top-rcCoord.bottom);
- g_GLTable.m_pfn_qglClear (GL_COLOR_BUFFER_BIT);
-
- if (PtInRect(&rcGrid,pt))
- {
- GdkCursor *cursor = gdk_cursor_new (GDK_CROSS);
- gdk_window_set_cursor (g_pWndPreview->window, cursor);
- gdk_cursor_unref (cursor);
-
- char Text[32];
- int x, y;
-
- x = (int)(Hll + (pt.x-X0G)/SFG);
- y = (int)(Vur - (pt.y-Y0G)/SFG);
- switch(Plane)
- {
- case PLANE_XZ0:
- case PLANE_XZ1:
- sprintf(Text," x=%d, z=%d ",(int)(floor(x-0.5)+1.) ,(int)(floor(y-0.5)+1.) );
- break;
- case PLANE_YZ0:
- case PLANE_YZ1:
- sprintf(Text," y=%d, z=%d ",(int)(floor(x-0.5)+1.) ,(int)(floor(y-0.5)+1.) );
- break;
- default:
- sprintf(Text," x=%d, y=%d ",(int)(floor(x-0.5)+1.) ,(int)(floor(y-0.5)+1.) );
- }
-
- texfont_write (Text, rcCoord.left, rcCoord.top);
- }
- else
- {
- gdk_window_set_cursor (g_pWndPreview->window, NULL);
- }
-
- g_UIGtkTable.m_pfn_glwidget_swap_buffers (g_pPreviewWidget);
- g_GLTable.m_pfn_QE_CheckOpenGLForErrors ();
- g_GLTable.m_pfn_qglDisable (GL_SCISSOR_TEST);
-}
-
-static gint preview_close (GtkWidget *widget, gpointer data)
-{
- gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (g_object_get_data (G_OBJECT (g_pWnd), "main_preview")), FALSE);
- return TRUE;
-}
-
-static void preview_focusout (GtkSpinButton *spin, GdkEventFocus *event, double *data)
-{
- *data = DegreesToRadians ((double)(gtk_spin_button_get_value_as_int (spin) % 360));
- UpdatePreview (false);
-}
-
-static gint doublevariable_spinfocusout(GtkWidget* widget, GdkEventFocus* event, gpointer data)
-{
- preview_focusout(GTK_SPIN_BUTTON(widget), event, reinterpret_cast<double*>(data));
- return FALSE;
-}
-
-static void preview_spin (GtkAdjustment *adj, double *data)
-{
- *data = DegreesToRadians (adj->value);
- UpdatePreview (false);
-}
-
-void CreateViewWindow ()
-{
- GtkWidget *dlg, *vbox, *hbox, *label, *spin, *frame;
- GtkObject *adj;
-
-#ifndef ISOMETRIC
- elevation = PI/6.;
- azimuth = PI/6.;
-#endif
-
- g_pWndPreview = dlg = gtk_window_new (GTK_WINDOW_TOPLEVEL);
- gtk_window_set_title (GTK_WINDOW (dlg), "GtkGenSurf Preview");
- gtk_signal_connect (GTK_OBJECT (dlg), "delete_event", GTK_SIGNAL_FUNC (preview_close), NULL);
- gtk_signal_connect (GTK_OBJECT (dlg), "destroy", GTK_SIGNAL_FUNC (gtk_widget_destroy), NULL);
- gtk_window_set_transient_for (GTK_WINDOW (dlg), GTK_WINDOW (g_pWnd));
- gtk_window_set_default_size (GTK_WINDOW (dlg), 300, 400);
-
- vbox = gtk_vbox_new (FALSE, 5);
- gtk_widget_show (vbox);
- gtk_container_add (GTK_CONTAINER (dlg), vbox);
-
-#ifndef ISOMETRIC
- hbox = gtk_hbox_new (TRUE, 5);
- gtk_widget_show (hbox);
- gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, TRUE, 0);
- gtk_container_set_border_width (GTK_CONTAINER (hbox), 3);
-
- label = gtk_label_new ("Elevation");
- gtk_widget_show (label);
- gtk_misc_set_alignment (GTK_MISC (label), 1, 0.5);
- gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, TRUE, 0);
-
- adj = gtk_adjustment_new (30, -90, 90, 1, 10, 0);
- gtk_signal_connect (adj, "value_changed", GTK_SIGNAL_FUNC (preview_spin), &elevation);
- spin = gtk_spin_button_new (GTK_ADJUSTMENT (adj), 1, 0);
- gtk_widget_show (spin);
- gtk_box_pack_start (GTK_BOX (hbox), spin, FALSE, TRUE, 0);
- g_signal_connect (G_OBJECT (spin), "focus_out_event", G_CALLBACK (doublevariable_spinfocusout), &elevation);
-
- adj = gtk_adjustment_new (30, 0, 359, 1, 10, 0);
- gtk_signal_connect (adj, "value_changed", GTK_SIGNAL_FUNC (preview_spin), &azimuth);
- spin = gtk_spin_button_new (GTK_ADJUSTMENT (adj), 1, 0);
- gtk_widget_show (spin);
- gtk_spin_button_set_wrap (GTK_SPIN_BUTTON (spin), TRUE);
- gtk_box_pack_end (GTK_BOX (hbox), spin, FALSE, TRUE, 0);
-
- label = gtk_label_new ("Azimuth");
- gtk_widget_show (label);
- gtk_misc_set_alignment (GTK_MISC (label), 1, 0.5);
- gtk_box_pack_end (GTK_BOX (hbox), label, FALSE, TRUE, 0);
- g_signal_connect (G_OBJECT (spin), "focus_out_event", G_CALLBACK (doublevariable_spinfocusout), &azimuth);
-#endif
-
- frame = gtk_frame_new (NULL);
- gtk_widget_show (frame);
- gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
- gtk_box_pack_start (GTK_BOX (vbox), frame, TRUE, TRUE, 0);
-
- g_pPreviewWidget = g_UIGtkTable.m_pfn_glwidget_new (FALSE, NULL);
-
- gtk_widget_set_events (g_pPreviewWidget, GDK_EXPOSURE_MASK|GDK_BUTTON_PRESS_MASK|GDK_POINTER_MOTION_MASK);
- gtk_signal_connect (GTK_OBJECT (g_pPreviewWidget), "expose_event", GTK_SIGNAL_FUNC (expose), NULL);
- gtk_signal_connect (GTK_OBJECT (g_pPreviewWidget), "motion_notify_event", GTK_SIGNAL_FUNC (motion), NULL);
- gtk_signal_connect (GTK_OBJECT (g_pPreviewWidget), "button_press_event",
- GTK_SIGNAL_FUNC (button_press), NULL);
-
- gtk_widget_show (g_pPreviewWidget);
- gtk_container_add (GTK_CONTAINER (frame), g_pPreviewWidget);
-
- if (Preview)
- gtk_widget_show (g_pWndPreview);
-
- UpdatePreview (true);
-}
-
-//=============================================================
-/* DrawPreview */
-void DrawPreview (Rect rc)
-{
-#define COSXA 0.8660254037844
-#define SINXA 0.5
-#define COSYA 0.8660254037844
-#define SINYA 0.5
-
- double L;
- double x,y;
- int i, j;
- Point pt[8];
- XYZ v[8];
- char axis[3][2] = {"X","Y","Z"};
-
-#ifndef ISOMETRIC
- evaluate();
-#endif
-
- XLo = xmin;
- XHi = xmax;
- YLo = ymin;
- YHi = ymax;
- ZLo = zmin;
- ZHi = zmax;
- switch (Plane)
- {
- case PLANE_XY1:
- ZHi = backface;
- break;
- case PLANE_XZ0:
- YLo = backface;
- break;
- case PLANE_XZ1:
- YHi = backface;
- break;
- case PLANE_YZ0:
- XLo = backface;
- break;
- case PLANE_YZ1:
- XHi = backface;
- break;
- default:
- ZLo = backface;
- }
-
-
-
- GetScaleFactor(rc);
- //PEN_GRID
- g_GLTable.m_pfn_qglLineWidth (1);
- g_GLTable.m_pfn_qglColor3f (0, 1, 0);
- g_GLTable.m_pfn_qglDisable (GL_LINE_STIPPLE);
-
- if (Decimate > 0 && (Game != QUAKE3 || UsePatches==0) )
- {
- XYZ *vv;
-
- vv = (XYZ *) malloc(gNumNodes * sizeof(XYZ));
- for(i=0; i<gNumNodes; i++)
- {
- for(j=0; j<3; j++)
- vv[i].p[j] = (double)(gNode[i].p[j]);
- project(&vv[i]);
- }
-
- for(i=0; i<gNumTris; i++)
- {
- for(j=0; j<3; j++)
- Scale(rc,vv[gTri[i].v[j]],&pt[j]);
-
- g_GLTable.m_pfn_qglBegin (GL_LINE_STRIP);
- g_GLTable.m_pfn_qglVertex2i (pt[0].x, pt[0].y);
- g_GLTable.m_pfn_qglVertex2i (pt[1].x, pt[1].y);
- g_GLTable.m_pfn_qglVertex2i (pt[2].x, pt[2].y);
- g_GLTable.m_pfn_qglVertex2i (pt[0].x, pt[0].y);
- g_GLTable.m_pfn_qglEnd ();
- }
- free(vv);
- }
- else if (Game==QUAKE3 && UsePatches!=0)
- {
- int axis, ii, jj, k;
- float u, v;
- XYZ uv[3][3];
- XYZ Ctrl[3],out;
-
- switch (Plane)
- {
- case PLANE_XY0:
- case PLANE_XY1:
- k = 2;
- break;
- case PLANE_XZ0:
- case PLANE_XZ1:
- k = 1;
- break;
- default:
- k = 0;
- }
- for(i=0; i<NH; i+=2)
- {
- for(j=0; j<NV; j+=2)
- {
- VectorCopy(xyz[i ][j ].p,uv[0][0].p);
- VectorCopy(xyz[i+1][j ].p,uv[1][0].p);
- VectorCopy(xyz[i+2][j ].p,uv[2][0].p);
- VectorCopy(xyz[i ][j+1].p,uv[0][1].p);
- VectorCopy(xyz[i+1][j+1].p,uv[1][1].p);
- VectorCopy(xyz[i+2][j+1].p,uv[2][1].p);
- VectorCopy(xyz[i ][j+2].p,uv[0][2].p);
- VectorCopy(xyz[i+1][j+2].p,uv[1][2].p);
- VectorCopy(xyz[i+2][j+2].p,uv[2][2].p);
- uv[1][0].p[k] = (4*xyz[i+1][j ].p[k] - xyz[i ][j ].p[k] - xyz[i+2][j ].p[k])/2;
- uv[0][1].p[k] = (4*xyz[i ][j+1].p[k] - xyz[i ][j ].p[k] - xyz[i ][j+2].p[k])/2;
- uv[2][1].p[k] = (4*xyz[i+2][j+1].p[k] - xyz[i+2][j ].p[k] - xyz[i+2][j+2].p[k])/2;
- uv[1][2].p[k] = (4*xyz[i+1][j+2].p[k] - xyz[i ][j+2].p[k] - xyz[i+2][j+2].p[k])/2;
- uv[1][1].p[k] = (16*xyz[i+1][j+1].p[k] -
- xyz[i ][j ].p[k] - 2*xyz[i+1][j ].p[k] - xyz[i+2][j ].p[k] -
- 2*xyz[i ][j+1].p[k] -2*xyz[i+2][j+1].p[k] -
- xyz[i ][j+2].p[k] - 2*xyz[i+1][j+2].p[k] - xyz[i+2][j+2].p[k] )/4;
-
- for(ii=0; ii<=SUBDIVS; ii++)
- {
- if(ii==0 || ii==SUBDIVS/2 || ii==SUBDIVS)
- {
- g_GLTable.m_pfn_qglLineWidth (1);
- g_GLTable.m_pfn_qglColor3f (0, 1, 0);
- g_GLTable.m_pfn_qglDisable (GL_LINE_STIPPLE);
- // PEN_GRID
- }
- else
- {
- g_GLTable.m_pfn_qglLineWidth (1);
- g_GLTable.m_pfn_qglColor3f (0, 1, 0);
- g_GLTable.m_pfn_qglLineStipple (1, 0xF0F0);
- g_GLTable.m_pfn_qglEnable (GL_LINE_STIPPLE);
- // PEN_DASH
- }
-
- u = (float)(ii)/(float)(SUBDIVS);
- for(jj=0; jj<3; jj++)
- {
- for(axis=0; axis<3; axis++)
- {
- float a, b, c;
- float qA, qB, qC;
- a = (float)uv[0][jj].p[axis];
- b = (float)uv[1][jj].p[axis];
- c = (float)uv[2][jj].p[axis];
- qA = a - 2 * b + c;
- qB = 2 * b - 2 * a;
- qC = a;
- Ctrl[jj].p[axis] = qA * u * u + qB * u + qC;
- }
- }
- VectorCopy(Ctrl[0].p,out.p);
- project(&out);
- Scale(rc,out,&pt[0]);
- g_GLTable.m_pfn_qglBegin (GL_LINE_STRIP);
- g_GLTable.m_pfn_qglVertex2i (pt[0].x, pt[0].y);
- for(jj=1; jj<=SUBDIVS; jj++)
- {
- v = (float)(jj)/(float)(SUBDIVS);
- for (axis = 0 ; axis < 3 ; axis++)
- {
- float a, b, c;
- float qA, qB, qC;
- a = (float)Ctrl[0].p[axis];
- b = (float)Ctrl[1].p[axis];
- c = (float)Ctrl[2].p[axis];
- qA = a - 2 * b + c;
- qB = 2 * b - 2 * a;
- qC = a;
- out.p[axis] = qA * v * v + qB * v + qC;
- }
- project(&out);
- Scale(rc,out,&pt[0]);
- g_GLTable.m_pfn_qglVertex2i (pt[0].x, pt[0].y);
- }
- g_GLTable.m_pfn_qglEnd ();
- }
- for(jj=0; jj<=SUBDIVS; jj++)
- {
- if(jj==0 || jj==SUBDIVS/2 || jj==SUBDIVS)
- {
- g_GLTable.m_pfn_qglLineWidth (1);
- g_GLTable.m_pfn_qglColor3f (0, 1, 0);
- g_GLTable.m_pfn_qglDisable (GL_LINE_STIPPLE);
- // PEN_GRID
- }
- else
- {
- g_GLTable.m_pfn_qglLineWidth (1);
- g_GLTable.m_pfn_qglColor3f (0, 1, 0);
- g_GLTable.m_pfn_qglLineStipple (1, 0xF0F0);
- g_GLTable.m_pfn_qglEnable (GL_LINE_STIPPLE);
- // PEN_DASH
- }
-
- v = (float)(jj)/(float)(SUBDIVS);
- for(ii=0; ii<3; ii++)
- {
- for(axis=0; axis<3; axis++)
- {
- float a, b, c;
- float qA, qB, qC;
- a = (float)uv[ii][0].p[axis];
- b = (float)uv[ii][1].p[axis];
- c = (float)uv[ii][2].p[axis];
- qA = a - 2 * b + c;
- qB = 2 * b - 2 * a;
- qC = a;
- Ctrl[ii].p[axis] = qA * v * v + qB * v + qC;
- }
- }
- VectorCopy(Ctrl[0].p,out.p);
- project(&out);
- Scale(rc,out,&pt[0]);
- g_GLTable.m_pfn_qglBegin (GL_LINE_STRIP);
- g_GLTable.m_pfn_qglVertex2i (pt[0].x, pt[0].y);
- for(ii=1; ii<=SUBDIVS; ii++)
- {
- u = (float)(ii)/(float)(SUBDIVS);
- for (axis = 0 ; axis < 3 ; axis++)
- {
- float a, b, c;
- float qA, qB, qC;
- a = (float)Ctrl[0].p[axis];
- b = (float)Ctrl[1].p[axis];
- c = (float)Ctrl[2].p[axis];
- qA = a - 2 * b + c;
- qB = 2 * b - 2 * a;
- qC = a;
- out.p[axis] = qA * u * u + qB * u + qC;
- }
- project(&out);
- Scale(rc,out,&pt[0]);
- g_GLTable.m_pfn_qglVertex2i (pt[0].x, pt[0].y);
- }
- g_GLTable.m_pfn_qglEnd ();
- }
- }
- }
- }
- else
- {
- for(i=0; i<=NH; i++)
- {
- Scale(rc,xyz[i][0],&pt[0]);
- g_GLTable.m_pfn_qglBegin (GL_LINE_STRIP);
- g_GLTable.m_pfn_qglVertex2i (pt[0].x, pt[0].y);
- for(j=1; j<=NV; j++)
- {
- Scale(rc,xyz[i][j],&pt[0]);
- g_GLTable.m_pfn_qglVertex2i (pt[0].x, pt[0].y);
- }
- g_GLTable.m_pfn_qglEnd ();
- }
- for(j=0; j<=NV; j++)
- {
- Scale(rc,xyz[0][j],&pt[0]);
- g_GLTable.m_pfn_qglBegin (GL_LINE_STRIP);
- g_GLTable.m_pfn_qglVertex2i (pt[0].x, pt[0].y);
- for(i=1; i<=NH; i++)
- {
- Scale(rc,xyz[i][j],&pt[0]);
- g_GLTable.m_pfn_qglVertex2i (pt[0].x, pt[0].y);
- }
- g_GLTable.m_pfn_qglEnd ();
- }
- }
-
- if(Game!=QUAKE3 || UsePatches==0)
- {
- // Draw lines from corners to base, and lines around base
- for(i=0; i<=NH; i+=NH)
- {
- for(j=0; j<=NV; j+=NV)
- {
- VectorCopy(xyz[i][j].p, v[0].p);
- switch(Plane)
- {
- case PLANE_XZ0:
- case PLANE_XZ1:
- v[0].p[1] = backface;
- break;
- case PLANE_YZ0:
- case PLANE_YZ1:
- v[0].p[0] = backface;
- break;
- default:
- v[0].p[2] = backface;
- }
- Scale(rc,xyz[i][j],&pt[0]);
-#ifndef ISOMETRIC
- project(&v[0]);
-#endif
- Scale(rc,v[0],&pt[1]);
- g_GLTable.m_pfn_qglBegin (GL_LINE_STRIP);
- g_GLTable.m_pfn_qglVertex2i (pt[0].x, pt[0].y);
- g_GLTable.m_pfn_qglVertex2i (pt[1].x, pt[1].y);
- g_GLTable.m_pfn_qglEnd ();
- }
- }
- VectorCopy(xyz[ 0][ 0].p, v[0].p);
- VectorCopy(xyz[NH][ 0].p, v[1].p);
- VectorCopy(xyz[NH][NV].p, v[2].p);
- VectorCopy(xyz[ 0][NV].p, v[3].p);
- switch(Plane)
- {
- case PLANE_XZ0:
- case PLANE_XZ1:
- v[0].p[1] = backface;;
- v[1].p[1] = v[0].p[1];
- v[2].p[1] = v[0].p[1];
- v[3].p[1] = v[0].p[1];
- break;
- case PLANE_YZ0:
- case PLANE_YZ1:
- v[0].p[0] = backface;
- v[1].p[0] = v[0].p[0];
- v[2].p[0] = v[0].p[0];
- v[3].p[0] = v[0].p[0];
- break;
- default:
- v[0].p[2] = backface;
- v[1].p[2] = v[0].p[2];
- v[2].p[2] = v[0].p[2];
- v[3].p[2] = v[0].p[2];
- }
-#ifndef ISOMETRIC
- project(&v[3]);
-#endif
- Scale(rc,v[3],&pt[0]);
- g_GLTable.m_pfn_qglBegin (GL_LINE_STRIP);
- g_GLTable.m_pfn_qglVertex2i (pt[0].x, pt[0].y);
- for(i=0; i<3; i++)
- {
-#ifndef ISOMETRIC
- project(&v[i]);
-#endif
- Scale(rc,v[i],&pt[1]);
- g_GLTable.m_pfn_qglVertex2i (pt[1].x, pt[1].y);
- }
- g_GLTable.m_pfn_qglVertex2i (pt[0].x, pt[0].y);
- g_GLTable.m_pfn_qglEnd ();
- }
-
- g_GLTable.m_pfn_qglLineWidth (1);
- g_GLTable.m_pfn_qglColor3f (0, 1, 0);
- g_GLTable.m_pfn_qglDisable (GL_LINE_STIPPLE);
-
-#ifdef ISOMETRIC
- // Draw small depiction of coordinate axes
- pt[0].x = rc.right - cxChar - cxChar/2 - cyChar;
- pt[0].y = rc.bottom - cyChar/2 - cxChar/2;
- pt[1].x = pt[0].x + (int)(cyChar*COSXA);
- pt[1].y = pt[0].y - (int)(cyChar*SINXA);
- MoveToEx(hdc,pt[0].x,pt[0].y,NULL);
- LineTo(hdc,pt[1].x,pt[1].y);
- SetTextAlign(hdc,TA_LEFT | TA_TOP);
- TextOut(hdc,pt[1].x,pt[1].y-cyChar/2,"X",1);
- pt[1].x = pt[0].x - (int)(cyChar*COSYA);
- pt[1].y = pt[0].y - (int)(cyChar*SINYA);
- MoveToEx(hdc,pt[0].x,pt[0].y,NULL);
- LineTo(hdc,pt[1].x,pt[1].y);
- SetTextAlign(hdc,TA_RIGHT | TA_TOP);
- TextOut(hdc,pt[1].x,pt[1].y-cyChar/2,"Y",1);
- pt[1].x = pt[0].x;
- pt[1].y = pt[0].y - cyChar;
- MoveToEx(hdc,pt[0].x,pt[0].y,NULL);
- LineTo(hdc,pt[1].x,pt[1].y);
- SetTextAlign(hdc,TA_CENTER | TA_BOTTOM);
- TextOut(hdc,pt[1].x,pt[1].y,"Z",1);
-#else
- L = 2*(double)cyChar/SF;
- v[0].p[0] = 0.;
- v[0].p[1] = 0.;
- v[0].p[2] = 0.;
- v[1].p[0] = L;
- v[1].p[1] = 0.;
- v[1].p[2] = 0.;
- v[2].p[0] = 0.;
- v[2].p[1] = L;
- v[2].p[2] = 0.;
- v[3].p[0] = 0.;
- v[3].p[1] = 0.;
- v[3].p[2] = L;
- for(i=0; i<=3; i++)
- {
- project(&v[i]);
- Scale(rc,v[i],&pt[i]);
- }
- for(i=1; i<=3; i++)
- {
- pt[i].x += -pt[0].x + rc.right - 2*cyChar;
- pt[i].y += -pt[0].y + rc.bottom + 2*cyChar;
- }
- pt[0].x = rc.right - 2*cyChar;
- pt[0].y = rc.bottom + 2*cyChar;
-
- for(i=1; i<=3; i++)
- {
- g_GLTable.m_pfn_qglBegin (GL_LINES);
- g_GLTable.m_pfn_qglVertex2i (pt[0].x, pt[0].y);
- g_GLTable.m_pfn_qglVertex2i (pt[i].x, pt[i].y);
- g_GLTable.m_pfn_qglEnd ();
- texfont_write (axis[i-1], pt[i].x-cxChar/2,pt[i].y+cyChar/2);
- }
-#endif
-
- // Draw player model's bounding box in red to give a sense of scale
- // PEN_RED
- g_GLTable.m_pfn_qglLineWidth (2);
- g_GLTable.m_pfn_qglColor3f (1, 0, 0);
- g_GLTable.m_pfn_qglDisable (GL_LINE_STIPPLE);
-
- switch(Plane)
- {
- case PLANE_XY1:
- v[0].p[0] = xyz[NH/2][NV/2].p[0] + PlayerBox[Game].x[0];
- v[0].p[1] = xyz[NH/2][NV/2].p[1] + PlayerBox[Game].y[0];
- v[0].p[2] = zmin - PlayerBox[Game].z[0] - 32;
- break;
- case PLANE_XZ0:
- v[0].p[0] = (xmax+xmin)/2 + PlayerBox[Game].x[0];
- v[0].p[1] = ymax+64;
- v[0].p[2] = zmin;
- break;
- case PLANE_XZ1:
- v[0].p[0] = (xmax+xmin)/2 + PlayerBox[Game].x[0];
- v[0].p[1] = ymin-64;
- v[0].p[2] = zmin;
- break;
- case PLANE_YZ0:
- v[0].p[0] = xmax+64;
- v[0].p[1] = (ymax+ymin)/2 + PlayerBox[Game].y[0];
- v[0].p[2] = zmin;
- break;
- case PLANE_YZ1:
- v[0].p[0] = xmin-64;
- v[0].p[1] = (ymax+ymin)/2 + PlayerBox[Game].y[0];
- v[0].p[2] = zmin;
- break;
- default:
- // Put player on a node. For patches, put on an even numbered node.
- if(Game==QUAKE3 && UsePatches!=0)
- {
- if(NH > 2)
- x = Hll + dh * (int)(NH/2 + 1);
- else
- x = Hll + dh * (int)(NH/2);
- if(NV > 2)
- y = Vll + dv * (int)(NV/2 + 1);
- else
- y = Vll + dv * (int)(NV/2);
- }
- else
- {
- if(NH > 1)
- x = Hll + dh * (int)(NH/2);
- else
- x = Hll + dh/2;
- if(NV > 1)
- y = Vll + dv * (int)(NV/2);
- else
- y = Vll + dv/2;
- }
-// x = (Hll+Hur)/2.;
-// y = (Vll+Vur)/2.;
- v[0].p[0] = x + PlayerBox[Game].x[0];
- v[0].p[1] = y + PlayerBox[Game].y[0];
- v[0].p[2] = PlayerStartZ(x,y) + PlayerBox[Game].z[0] + 8; // add 8 cuz I'm a pessimist
- }
- v[1].p[0] = v[0].p[0] + PlayerBox[Game].x[1] - PlayerBox[Game].x[0];
- v[1].p[1] = v[0].p[1];
- v[1].p[2] = v[0].p[2];
- v[2].p[0] = v[1].p[0];
- v[2].p[1] = v[1].p[1] + PlayerBox[Game].y[1] - PlayerBox[Game].y[0];
- v[2].p[2] = v[0].p[2];
- v[3].p[0] = v[0].p[0];
- v[3].p[1] = v[2].p[1];
- v[3].p[2] = v[0].p[2];
- VectorCopy(v[0].p,v[4].p);
- VectorCopy(v[1].p,v[5].p);
- VectorCopy(v[2].p,v[6].p);
- VectorCopy(v[3].p,v[7].p);
- v[4].p[2] += PlayerBox[Game].z[1] - PlayerBox[Game].z[0];
- v[5].p[2] += PlayerBox[Game].z[1] - PlayerBox[Game].z[0];
- v[6].p[2] += PlayerBox[Game].z[1] - PlayerBox[Game].z[0];
- v[7].p[2] += PlayerBox[Game].z[1] - PlayerBox[Game].z[0];
- for(i=0; i<=7; i++)
- {
-#ifndef ISOMETRIC
- project(&v[i]);
-#endif
- Scale(rc,v[i],&pt[i]);
- }
- g_GLTable.m_pfn_qglBegin (GL_LINE_STRIP);
- g_GLTable.m_pfn_qglVertex2i (pt[3].x, pt[3].y);
- for(i=0; i<=3; i++)
- g_GLTable.m_pfn_qglVertex2i (pt[i].x, pt[i].y);
- g_GLTable.m_pfn_qglEnd ();
- g_GLTable.m_pfn_qglBegin (GL_LINE_STRIP);
- g_GLTable.m_pfn_qglVertex2i (pt[7].x, pt[7].y);
- for(i=4; i<=7; i++)
- g_GLTable.m_pfn_qglVertex2i (pt[i].x, pt[i].y);
- g_GLTable.m_pfn_qglEnd ();
- g_GLTable.m_pfn_qglBegin (GL_LINES);
- for(i=0; i<=3; i++)
- {
- g_GLTable.m_pfn_qglVertex2i (pt[i].x,pt[i].y);
- g_GLTable.m_pfn_qglVertex2i (pt[i+4].x,pt[i+4].y);
- }
- g_GLTable.m_pfn_qglEnd ();
-
- g_GLTable.m_pfn_qglLineWidth (1);
- g_GLTable.m_pfn_qglColor3f (0, 1, 0);
- g_GLTable.m_pfn_qglDisable (GL_LINE_STIPPLE);
-}
-//=============================================================
-void DrawGrid(Rect rc)
-{
- int i, j, k;
- double h,w,x,y;
- Point pt[2];
- Rect rcBox;
-
- w = (double)(rc.right-rc.left+1) - cxChar;
- h = (double)(rc.top-rc.bottom+1) - cxChar - cyChar;
-
- SFG = w/(Hur-Hll);
- SFG = min(SFG, h/(Vur-Vll));
-
- // Center drawing
- X0G = (int)(rc.left + rc.right - (int)(SFG*(Hur-Hll)))/2;
- Y0G = (int)(rc.top + rc.bottom + cyChar - (int)(SFG*(Vur-Vll)))/2;
-
- g_GLTable.m_pfn_qglLineWidth (2);
- g_GLTable.m_pfn_qglColor3f (0, 1, 0);
- g_GLTable.m_pfn_qglDisable (GL_LINE_STIPPLE);
-
- pt[0].y = Y0G;
- pt[1].y = Y0G + (int)(SFG*(Vur-Vll));
- g_GLTable.m_pfn_qglBegin (GL_LINES);
- for(i=0; i<=NH; i++)
- {
- x = Hll + i * dh;
- pt[0].x = X0G + (int)(SFG*(x-Hll));
- g_GLTable.m_pfn_qglVertex2i(pt[0].x, pt[0].y);
- g_GLTable.m_pfn_qglVertex2i(pt[0].x, pt[1].y);
- }
- g_GLTable.m_pfn_qglEnd ();
- pt[0].x = X0G;
- pt[1].x = X0G + (int)(SFG*(Hur-Hll));
- g_GLTable.m_pfn_qglBegin (GL_LINES);
- for(i=0; i<=NV; i++)
- {
- y = Vll + i * dv;
- pt[0].y = Y0G + (int)(SFG*(Vur-y));
- g_GLTable.m_pfn_qglVertex2i (pt[0].x,pt[0].y);
- g_GLTable.m_pfn_qglVertex2i (pt[1].x,pt[0].y);
- }
- g_GLTable.m_pfn_qglEnd ();
-
- g_GLTable.m_pfn_qglLineWidth (1);
-
- // Draw axes
- pt[0].x = rc.right - cyChar - cxChar - cyChar/2;
- pt[0].y = rc.bottom + cyChar/2;
- pt[1].x = pt[0].x + cyChar;
- pt[1].y = pt[0].y;
- g_GLTable.m_pfn_qglBegin (GL_LINES);
- g_GLTable.m_pfn_qglVertex2i (pt[0].x,pt[0].y);
- g_GLTable.m_pfn_qglVertex2i (pt[1].x,pt[1].y);
- g_GLTable.m_pfn_qglEnd ();
- switch(Plane)
- {
- case PLANE_YZ0:
- case PLANE_YZ1:
- texfont_write ("Y", pt[1].x, pt[1].y+cyChar/2);
- break;
- default:
- texfont_write ("X", pt[1].x, pt[1].y+cyChar/2);
- }
- pt[1].x = pt[0].x;
- pt[1].y = pt[0].y + cyChar;
- g_GLTable.m_pfn_qglBegin (GL_LINES);
- g_GLTable.m_pfn_qglVertex2i (pt[0].x,pt[0].y);
- g_GLTable.m_pfn_qglVertex2i (pt[1].x,pt[1].y);
- g_GLTable.m_pfn_qglEnd ();
- switch(Plane)
- {
- case PLANE_XY0:
- case PLANE_XY1:
- texfont_write ("Y", pt[1].x-cyChar/2, pt[1].y+cyChar);
- break;
- default:
- texfont_write ("Z", pt[1].x-cyChar/2, pt[1].y+cyChar);
- }
-
- // Denote fixed points with a 5x5 red rectangle
- for(i=0; i<=NH; i++)
- {
- for(j=0; j<=NV; j++)
- {
- if(xyz[i][j].fixed)
- {
- x = Hll + i*dh;
- y = Vll + j*dv;
- rcBox.left = X0G + (int)(SFG*(x-Hll)) - 2;
- rcBox.top = Y0G + (int)(SFG*(Vur-y)) + 2;
- rcBox.right = rcBox.left + 5;
- rcBox.bottom = rcBox.top - 5;
-
- DRAW_QUAD (rcBox, 1,0,0);
- }
- }
- }
-
- // Denote currently selected point with a 5x5 green rectangle
- if (NumVerticesSelected)
- {
- for(k=0; k<NumVerticesSelected; k++)
- {
- x = Hll + Vertex[k].i*dh;
- y = Vll + Vertex[k].j*dv;
- rcBox.left = X0G + (int)(SFG*(x-Hll)) - 2;
- rcBox.top = Y0G + (int)(SFG*(Vur-y)) + 2;
- rcBox.right = rcBox.left + 5;
- rcBox.bottom = rcBox.top - 5;
-
- DRAW_QUAD (rcBox, 0,1,0);
- }
- }
-
- // Unmovable vertices
- for(i=0; i<=NH; i++)
- {
- for(j=0; j<=NV; j++)
- {
- if(!CanEdit(i,j))
- {
- x = Hll + i*dh;
- y = Vll + j*dv;
- rcBox.left = X0G + (int)(SFG*(x-Hll)) - 2;
- rcBox.top = Y0G + (int)(SFG*(Vur-y)) + 2;
- rcBox.right = rcBox.left + 5;
- rcBox.bottom = rcBox.top - 5;
-
- DRAW_QUAD (rcBox, 1,1,0);
- }
- }
- }
-
- // Legend
- rcBox.left = rc.left + cxChar/2 - 2;
- rcBox.top = rc.top - cyChar/2 - 2;
- rcBox.right = rcBox.left + 5;
- rcBox.bottom = rcBox.top - 5;
- DRAW_QUAD (rcBox, 1,0,0);
- texfont_write ("Fixed points", rcBox.right+cxChar,rcBox.top-4+cyChar/2);
-
- rcBox.top -= cyChar;
- rcBox.bottom -= cyChar;
- DRAW_QUAD (rcBox, 1,1,0);
- texfont_write ("Not movable", rcBox.right+cxChar, rcBox.top-4+cyChar/2);
-
- rcBox.top -= cyChar;
- rcBox.bottom -= cyChar;
- DRAW_QUAD (rcBox, 0,1,0);
- texfont_write ("Selected", rcBox.right+cxChar, rcBox.top-4+cyChar/2);
-}
-
-//=============================================================
-void GetScaleFactor(Rect rc)
-{
-#ifdef ISOMETRIC
- double h, w;
-
- w = (double)(rc.right-rc.left+1) - cxChar;
- h = (double)(rc.top-rc.bottom+1) - cxChar;
-
- SF = w/( (XHi-XLo)*COSXA + (YHi-YLo)*COSYA );
- SF = min(SF, h/( (XHi-XLo)*SINXA + (YHi-YLo)*SINYA + ZHi-ZLo ) );
- // Center drawing
- X0 = (int)(rc.left + rc.right - (int)(SF*( (XHi-XLo)*COSXA + (YHi-YLo)*COSYA )) )/2;
- Y0 = (int)(rc.top + rc.bottom - (int)(SF*( (XHi-XLo)*SINXA + (YHi-YLo)*SINYA + ZHi-ZLo) ))/2;
-
-#else
- double h, w;
-
- w = (double)(rc.right-rc.left+1) - cxChar;
- h = (double)(rc.top-rc.bottom+1) - cxChar;
-
- SF = w/(Hhi-Hlo);
- SF = min(SF, h/(Vhi-Vlo) );
- X0 = (int)(rc.left + rc.right - (int)(SF*(Hhi-Hlo)))/2;
- Y0 = (int)(rc.top + rc.bottom + (int)(SF*(Vhi-Vlo)))/2;
-#endif
-}
-
-//=============================================================
-void Scale(Rect rc,XYZ xyz,Point *pt)
-{
-
-#ifdef ISOMETRIC
-
- pt[0].x = X0 + (int)(SF*( (xyz.p[0]-XLo)*COSXA +
- (YHi-xyz.p[1])*COSYA ));
- pt[0].y = Y0 + (int)(SF*( ZHi-xyz.p[2] +
- (YHi-xyz.p[1])*SINYA +
- (XHi-xyz.p[0])*SINXA ));
-#else
- pt[0].x = X0 + (int)(SF*( xyz.pp[0] - Hlo ) );
- pt[0].y = Y0 - (int)(SF*( Vhi - xyz.pp[1] ) );
-#endif
-
-}
-
-#ifndef ISOMETRIC
-/* ======================================================================= */
-void project(XYZ *v)
-{
- // project a 3D point (x,y,z) onto view plane
- double x, y, z, xa, ya, za;
-
- x = v->p[0];
- y = v->p[1];
- z = v->p[2];
-
- // yaw
- xa = ct[0]*x - st[0]*z;
- za = st[0]*x + ct[0]*z;
-
- // roll
- x = ct[1]*xa + st[1]*y;
- ya = ct[1]*y - st[1]*xa;
-
- // azimuth
- z = ct[2]*za - st[2]*ya;
- y = ct[2]*ya + st[2]*za;
-
- // horizontal and vertical projections:
-// v->pp[0] = D*x/z;
-// v->pp[1] = D*y/z;
- v->pp[0] = -y;
- v->pp[1] = x;
- v->pp[2] = z;
-
- // NOTE: if perspective transformation is desired,
- // set "persp" to the range from the surface,
- // then:
- // v->projected_h = -v->projected_h * persp/(v->projected_z-persp);
- // v->projected_v = -v->projected_v * persp/(v->projected_z-persp);
-}
-/*=======================================================================*/
-void evaluate()
-{
- int i, j;
- XYZ v[4];
-
- if(elevation > PI) elevation -= 2.*PI;
- roll = elevation * sin(azimuth);
- yaw = 1.5*PI + elevation*cos(azimuth);
-
- // Find angles from midpoint to viewpoint:
- st[0] = sin(yaw);
- st[1] = sin(roll);
- st[2] = sin(azimuth);
- ct[0] = cos(yaw);
- ct[1] = cos(roll);
- ct[2] = cos(azimuth);
-
- for(i=0; i<=NH; i++)
- {
- for(j=0; j<=NV; j++)
- {
- project(&xyz[i][j]);
- }
- }
-
- Hhi = xyz[0][0].pp[0];
- Hlo = Hhi;
- Vhi = xyz[0][0].pp[1];
- Vlo = Vhi;
- for(i=0; i<=NH; i++)
- {
- for(j=0; j<=NV; j++)
- {
- Hlo = min(Hlo,xyz[i][j].pp[0]);
- Hhi = max(Hhi,xyz[i][j].pp[0]);
- Vlo = min(Vlo,xyz[i][j].pp[1]);
- Vhi = max(Vhi,xyz[i][j].pp[1]);
- }
- }
-
- // Include backface in min-max
- VectorCopy(xyz[ 0][ 0].p,v[0].p);
- VectorCopy(xyz[NH][ 0].p,v[1].p);
- VectorCopy(xyz[NH][NV].p,v[2].p);
- VectorCopy(xyz[ 0][NV].p,v[3].p);
- switch(Plane)
- {
- case PLANE_XZ0:
- case PLANE_XZ1:
- v[0].p[1] = backface;
- v[1].p[1] = v[0].p[1];
- v[2].p[1] = v[0].p[1];
- v[3].p[1] = v[0].p[1];
- break;
- case PLANE_YZ0:
- case PLANE_YZ1:
- v[0].p[0] = backface;
- v[1].p[0] = v[0].p[0];
- v[2].p[0] = v[0].p[0];
- v[3].p[0] = v[0].p[0];
- break;
- default:
- v[0].p[2] = backface;
- v[1].p[2] = v[0].p[2];
- v[2].p[2] = v[0].p[2];
- v[3].p[2] = v[0].p[2];
- }
- for(i=0; i<=3; i++)
- {
- project(&v[i]);
- Hlo = min(Hlo,v[i].pp[0]);
- Hhi = max(Hhi,v[i].pp[0]);
- Vlo = min(Vlo,v[i].pp[1]);
- Vhi = max(Vhi,v[i].pp[1]);
- }
-
-}
-#endif