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-
- #include "qe3.h"
-
- #define PAGEFLIPS 2
-
- z_t z;
-
- /*
- ============
- Z_Init
- ============
- */
- void Z_Init (void)
- {
- z.origin[0] = 0;
- z.origin[1] = 20;
- z.origin[2] = 46;
-
- z.scale = 1;
- }
-
-
-
- /*
- ============================================================================
-
- MOUSE ACTIONS
-
- ============================================================================
- */
-
- static int cursorx, cursory;
-
- /*
- ==============
- Z_MouseDown
- ==============
- */
- void Z_MouseDown (int x, int y, int buttons)
- {
- vec3_t org, dir, vup, vright;
- brush_t *b;
-
- Sys_GetCursorPos (&cursorx, &cursory);
-
- vup[0] = 0; vup[1] = 0; vup[2] = 1/z.scale;
-
- VectorCopy (z.origin, org);
- org[2] += (y - (z.height/2))/z.scale;
- org[1] = -8192;
-
- b = selected_brushes.next;
- if (b != &selected_brushes)
- {
- org[0] = (b->mins[0] + b->maxs[0])/2;
- }
-
- dir[0] = 0; dir[1] = 1; dir[2] = 0;
-
- vright[0] = 0; vright[1] = 0; vright[2] = 0;
-
- // LBUTTON = manipulate selection
- // shift-LBUTTON = select
- // middle button = grab texture
- // ctrl-middle button = set entire brush to texture
- // ctrl-shift-middle button = set single face to texture
- if ( (buttons == MK_LBUTTON)
- || (buttons == (MK_LBUTTON | MK_SHIFT))
- || (buttons == MK_MBUTTON)
- // || (buttons == (MK_MBUTTON|MK_CONTROL))
- || (buttons == (MK_MBUTTON|MK_SHIFT|MK_CONTROL)) )
- {
- Drag_Begin (x, y, buttons,
- vright, vup,
- org, dir);
- return;
- }
-
- // control mbutton = move camera
- if ((buttons == (MK_CONTROL|MK_MBUTTON) ) || (buttons == (MK_CONTROL|MK_LBUTTON)))
- {
- camera.origin[2] = org[2] ;
- Sys_UpdateWindows (W_CAMERA|W_XY_OVERLAY|W_Z);
- }
-
-
- }
-
- /*
- ==============
- Z_MouseUp
- ==============
- */
- void Z_MouseUp (int x, int y, int buttons)
- {
- Drag_MouseUp ();
- }
-
- /*
- ==============
- Z_MouseMoved
- ==============
- */
- void Z_MouseMoved (int x, int y, int buttons)
- {
- if (!buttons)
- return;
- if (buttons == MK_LBUTTON)
- {
- Drag_MouseMoved (x, y, buttons);
- Sys_UpdateWindows (W_Z|W_CAMERA);
- return;
- }
- // rbutton = drag z origin
- if (buttons == MK_RBUTTON)
- {
- Sys_GetCursorPos (&x, &y);
- if ( y != cursory)
- {
- z.origin[2] += y-cursory;
- Sys_SetCursorPos (cursorx, cursory);
- Sys_UpdateWindows (W_Z);
- }
- return;
- }
- // control mbutton = move camera
- if ((buttons == (MK_CONTROL|MK_MBUTTON) ) || (buttons == (MK_CONTROL|MK_LBUTTON)))
- {
- camera.origin[2] = (y - (z.height/2))/z.scale;
- Sys_UpdateWindows (W_CAMERA|W_XY_OVERLAY|W_Z);
- }
-
- }
-
-
- /*
- ============================================================================
-
- DRAWING
-
- ============================================================================
- */
-
-
- /*
- ==============
- Z_DrawGrid
- ==============
- */
- void Z_DrawGrid (void)
- {
- float zz, zb, ze;
- int w, h;
- char text[32];
-
- w = z.width/2 / z.scale;
- h = z.height/2 / z.scale;
-
- zb = z.origin[2] - h;
- if (zb < region_mins[2])
- zb = region_mins[2];
- zb = 64 * floor (zb/64);
-
- ze = z.origin[2] + h;
- if (ze > region_maxs[2])
- ze = region_maxs[2];
- ze = 64 * ceil (ze/64);
-
- // draw major blocks
-
- glColor3fv(g_qeglobals.d_savedinfo.colors[COLOR_GRIDMAJOR]);
-
- glBegin (GL_LINES);
-
- glVertex2f (0, zb);
- glVertex2f (0, ze);
-
- for (zz=zb ; zz<ze ; zz+=64)
- {
- glVertex2f (-w, zz);
- glVertex2f (w, zz);
- }
-
- glEnd ();
-
- // draw minor blocks
- if (g_qeglobals.d_showgrid && g_qeglobals.d_gridsize*z.scale >= 4)
- {
- glColor3fv(g_qeglobals.d_savedinfo.colors[COLOR_GRIDMINOR]);
-
- glBegin (GL_LINES);
- for (zz=zb ; zz<ze ; zz+=g_qeglobals.d_gridsize)
- {
- if ( ! ((int)zz & 63) )
- continue;
- glVertex2f (-w, zz);
- glVertex2f (w, zz);
- }
- glEnd ();
- }
-
- // draw coordinate text if needed
-
- glColor4f(0, 0, 0, 0);
-
- for (zz=zb ; zz<ze ; zz+=64)
- {
- glRasterPos2f (-w+1, zz);
- sprintf (text, "%i",(int)zz);
- glCallLists (strlen(text), GL_UNSIGNED_BYTE, text);
- }
- }
-
- #define CAM_HEIGHT 48 // height of main part
- #define CAM_GIZMO 8 // height of the gizmo
-
- void ZDrawCameraIcon (void)
- {
- float x, y;
- int xCam = z.width/4;
-
- x = 0;
- y = camera.origin[2];
-
- glColor3f (0.0, 0.0, 1.0);
- glBegin(GL_LINE_STRIP);
- glVertex3f (x-xCam,y,0);
- glVertex3f (x,y+CAM_GIZMO,0);
- glVertex3f (x+xCam,y,0);
- glVertex3f (x,y-CAM_GIZMO,0);
- glVertex3f (x-xCam,y,0);
- glVertex3f (x+xCam,y,0);
- glVertex3f (x+xCam,y-CAM_HEIGHT,0);
- glVertex3f (x-xCam,y-CAM_HEIGHT,0);
- glVertex3f (x-xCam,y,0);
- glEnd ();
-
- }
-
- GLbitfield glbitClear = GL_COLOR_BUFFER_BIT; //HACK
-
- /*
- ==============
- Z_Draw
- ==============
- */
- void Z_Draw (void)
- {
- brush_t *brush;
- float w, h;
- double start, end;
- qtexture_t *q;
- float top, bottom;
- vec3_t org_top, org_bottom, dir_up, dir_down;
- int xCam = z.width/3;
-
- if (!active_brushes.next)
- return; // not valid yet
-
- if (z.timing)
- start = Sys_DoubleTime ();
-
- //
- // clear
- //
- glViewport(0, 0, z.width, z.height);
-
- glClearColor (
- g_qeglobals.d_savedinfo.colors[COLOR_GRIDBACK][0],
- g_qeglobals.d_savedinfo.colors[COLOR_GRIDBACK][1],
- g_qeglobals.d_savedinfo.colors[COLOR_GRIDBACK][2],
- 0);
-
- /* GL Bug */
- /* When not using hw acceleration, gl will fault if we clear the depth
- buffer bit on the first pass. The hack fix is to set the GL_DEPTH_BUFFER_BIT
- only after Z_Draw() has been called once. Yeah, right. */
- glClear(glbitClear);
- glbitClear |= GL_DEPTH_BUFFER_BIT;
-
- glMatrixMode(GL_PROJECTION);
-
- glLoadIdentity ();
- w = z.width/2 / z.scale;
- h = z.height/2 / z.scale;
- glOrtho (-w, w, z.origin[2]-h, z.origin[2]+h, -8, 8);
-
- glDisable(GL_TEXTURE_2D);
- glDisable(GL_TEXTURE_1D);
- glDisable(GL_DEPTH_TEST);
- glDisable(GL_BLEND);
-
-
- //
- // now draw the grid
- //
- Z_DrawGrid ();
-
- //
- // draw stuff
- //
-
- glDisable(GL_CULL_FACE);
-
- glShadeModel (GL_FLAT);
-
- glPolygonMode (GL_FRONT_AND_BACK, GL_FILL);
-
- glDisable(GL_TEXTURE_2D);
- glDisable(GL_BLEND);
- glDisable(GL_DEPTH_TEST);
-
-
- // draw filled interiors and edges
- dir_up[0] = 0 ; dir_up[1] = 0; dir_up[2] = 1;
- dir_down[0] = 0 ; dir_down[1] = 0; dir_down[2] = -1;
- VectorCopy (z.origin, org_top);
- org_top[2] = 4096;
- VectorCopy (z.origin, org_bottom);
- org_bottom[2] = -4096;
-
- for (brush = active_brushes.next ; brush != &active_brushes ; brush=brush->next)
- {
- if (brush->mins[0] >= z.origin[0]
- || brush->maxs[0] <= z.origin[0]
- || brush->mins[1] >= z.origin[1]
- || brush->maxs[1] <= z.origin[1])
- continue;
-
- if (!Brush_Ray (org_top, dir_down, brush, &top))
- continue;
- top = org_top[2] - top;
- if (!Brush_Ray (org_bottom, dir_up, brush, &bottom))
- continue;
- bottom = org_bottom[2] + bottom;
-
- q = Texture_ForName (brush->brush_faces->texdef.name);
- glColor3f (q->color[0], q->color[1], q->color[2]);
- glBegin (GL_QUADS);
- glVertex2f (-xCam, bottom);
- glVertex2f (xCam, bottom);
- glVertex2f (xCam, top);
- glVertex2f (-xCam, top);
- glEnd ();
-
- glColor3f (1,1,1);
- glBegin (GL_LINE_LOOP);
- glVertex2f (-xCam, bottom);
- glVertex2f (xCam, bottom);
- glVertex2f (xCam, top);
- glVertex2f (-xCam, top);
- glEnd ();
- }
-
- //
- // now draw selected brushes
- //
- for (brush = selected_brushes.next ; brush != &selected_brushes ; brush=brush->next)
- {
- if ( !(brush->mins[0] >= z.origin[0]
- || brush->maxs[0] <= z.origin[0]
- || brush->mins[1] >= z.origin[1]
- || brush->maxs[1] <= z.origin[1]) )
- {
- if (Brush_Ray (org_top, dir_down, brush, &top))
- {
- top = org_top[2] - top;
- if (Brush_Ray (org_bottom, dir_up, brush, &bottom))
- {
- bottom = org_bottom[2] + bottom;
-
- q = Texture_ForName (brush->brush_faces->texdef.name);
- glColor3f (q->color[0], q->color[1], q->color[2]);
- glBegin (GL_QUADS);
- glVertex2f (-xCam, bottom);
- glVertex2f (xCam, bottom);
- glVertex2f (xCam, top);
- glVertex2f (-xCam, top);
- glEnd ();
- }
- }
- }
-
- glColor3f (1,0,0);
- glBegin (GL_LINE_LOOP);
- glVertex2f (-xCam, brush->mins[2]);
- glVertex2f (xCam, brush->mins[2]);
- glVertex2f (xCam, brush->maxs[2]);
- glVertex2f (-xCam, brush->maxs[2]);
- glEnd ();
- }
-
-
- ZDrawCameraIcon ();
-
- glFinish();
- QE_CheckOpenGLForErrors();
-
- if (z.timing)
- {
- end = Sys_DoubleTime ();
- Sys_Printf ("z: %i ms\n", (int)(1000*(end-start)));
- }
- }
-
-