/*
-PrtView plugin for GtkRadiant
-Copyright (C) 2001 Geoffrey Dewan, 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
-*/
+ PrtView plugin for GtkRadiant
+ Copyright (C) 2001 Geoffrey Dewan, 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 "stdafx.h"
+#include "portals.h"
+#include "globaldefs.h"
#include <string.h>
#include <stdlib.h>
-#ifndef __APPLE__
+
+#if !GDEF_OS_MACOS
+
#include <search.h>
+
#endif
+
#include <stdio.h>
-#define LINE_BUF 1000
+#include "iglrender.h"
+#include "cullable.h"
+
+#include "prtview.h"
+
+const int LINE_BUF = 1000;
CPortals portals;
CPortalsRender render;
-int compare( const void *arg1, const void *arg2 )
+int compare(const void *arg1, const void *arg2)
{
- if(portals.portal[*((int *)arg1)].dist > portals.portal[*((int *)arg2)].dist)
- return -1;
- else if(portals.portal[*((int *)arg1)].dist < portals.portal[*((int *)arg2)].dist)
- return 1;
+ if (portals.portal[*((int *) arg1)].dist > portals.portal[*((int *) arg2)].dist) {
+ return -1;
+ } else if (portals.portal[*((int *) arg1)].dist < portals.portal[*((int *) arg2)].dist) {
+ return 1;
+ }
- return 0;
+ return 0;
}
CBspPortal::CBspPortal()
{
- memset(this, 0, sizeof(CBspPortal));
+ memset(this, 0, sizeof(CBspPortal));
}
CBspPortal::~CBspPortal()
{
- delete[] point;
- delete[] inner_point;
+ delete[] point;
+ delete[] inner_point;
}
bool CBspPortal::Build(char *def)
{
- char *c = def;
- unsigned int n;
- int dummy1, dummy2;
- int res_cnt, i;
-
- if(portals.hint_flags)
- {
- res_cnt = sscanf(def, "%u %d %d %d", &point_count, &dummy1, &dummy2, (int *)&hint);
- }
- else
- {
- sscanf(def, "%u", &point_count);
- hint = qfalse;
- }
-
- if(point_count < 3 || (portals.hint_flags && res_cnt < 4))
- return qfalse;
-
- point = new CBspPoint[point_count];
- inner_point = new CBspPoint[point_count];
-
- for(n = 0; n < point_count; n++)
- {
- for(; *c != 0 && *c != '('; c++);
-
- if(*c == 0)
- return qfalse;
-
- c++;
-
- sscanf(c, "%f %f %f", point[n].p, point[n].p+1, point[n].p+2);
-
- center.p[0] += point[n].p[0];
- center.p[1] += point[n].p[1];
- center.p[2] += point[n].p[2];
-
- if(n == 0)
- {
- for(i = 0; i < 3; i++)
- {
- min[i] = point[n].p[i];
- max[i] = point[n].p[i];
- }
- }
- else
- {
- for(i = 0; i < 3; i++)
- {
- if(min[i] > point[n].p[i])
- min[i] = point[n].p[i];
- if(max[i] < point[n].p[i])
- max[i] = point[n].p[i];
- }
- }
- }
-
- center.p[0] /= (float)point_count;
- center.p[1] /= (float)point_count;
- center.p[2] /= (float)point_count;
-
- for(n = 0; n < point_count; n++)
- {
- inner_point[n].p[0] = (0.01f * center.p[0]) + (0.99f * point[n].p[0]);
- inner_point[n].p[1] = (0.01f * center.p[1]) + (0.99f * point[n].p[1]);
- inner_point[n].p[2] = (0.01f * center.p[2]) + (0.99f * point[n].p[2]);
- }
-
- fp_color_random[0] = (float)(rand() & 0xff) / 255.0f;
- fp_color_random[1] = (float)(rand() & 0xff) / 255.0f;
- fp_color_random[2] = (float)(rand() & 0xff) / 255.0f;
- fp_color_random[3] = 1.0f;
-
- return qtrue;
+ char *c = def;
+ unsigned int n;
+ int dummy1, dummy2;
+ int res_cnt, i;
+
+ if (portals.hint_flags) {
+ res_cnt = sscanf(def, "%u %d %d %d", &point_count, &dummy1, &dummy2, (int *) &hint);
+ } else {
+ sscanf(def, "%u", &point_count);
+ hint = false;
+ }
+
+ if (point_count < 3 || (portals.hint_flags && res_cnt < 4)) {
+ return false;
+ }
+
+ point = new CBspPoint[point_count];
+ inner_point = new CBspPoint[point_count];
+
+ for (n = 0; n < point_count; n++) {
+ for (; *c != 0 && *c != '('; c++) {}
+
+ if (*c == 0) {
+ return false;
+ }
+
+ c++;
+
+ sscanf(c, "%f %f %f", point[n].p, point[n].p + 1, point[n].p + 2);
+
+ center.p[0] += point[n].p[0];
+ center.p[1] += point[n].p[1];
+ center.p[2] += point[n].p[2];
+
+ if (n == 0) {
+ for (i = 0; i < 3; i++) {
+ min[i] = point[n].p[i];
+ max[i] = point[n].p[i];
+ }
+ } else {
+ for (i = 0; i < 3; i++) {
+ if (min[i] > point[n].p[i]) {
+ min[i] = point[n].p[i];
+ }
+ if (max[i] < point[n].p[i]) {
+ max[i] = point[n].p[i];
+ }
+ }
+ }
+ }
+
+ center.p[0] /= (float) point_count;
+ center.p[1] /= (float) point_count;
+ center.p[2] /= (float) point_count;
+
+ for (n = 0; n < point_count; n++) {
+ inner_point[n].p[0] = (0.01f * center.p[0]) + (0.99f * point[n].p[0]);
+ inner_point[n].p[1] = (0.01f * center.p[1]) + (0.99f * point[n].p[1]);
+ inner_point[n].p[2] = (0.01f * center.p[2]) + (0.99f * point[n].p[2]);
+ }
+
+ fp_color_random[0] = (float) (rand() & 0xff) / 255.0f;
+ fp_color_random[1] = (float) (rand() & 0xff) / 255.0f;
+ fp_color_random[2] = (float) (rand() & 0xff) / 255.0f;
+ fp_color_random[3] = 1.0f;
+
+ return true;
}
CPortals::CPortals()
{
- memset(this, 0, sizeof(CPortals));
+ memset(this, 0, sizeof(CPortals));
}
CPortals::~CPortals()
{
- Purge();
+ Purge();
}
void CPortals::Purge()
{
- delete[] portal;
- delete[] portal_sort;
- portal = NULL;
- portal_sort = NULL;
- portal_count = 0;
-
- /*
- delete[] node;
- node = NULL;
- node_count = 0;
- */
+ delete[] portal;
+ delete[] portal_sort;
+ portal = NULL;
+ portal_sort = NULL;
+ portal_count = 0;
+
+ /*
+ delete[] node;
+ node = NULL;
+ node_count = 0;
+ */
}
void CPortals::Load()
{
- char buf[LINE_BUF+1];
+ char buf[LINE_BUF + 1];
+
+ memset(buf, 0, LINE_BUF + 1);
- memset(buf, 0, LINE_BUF + 1);
-
- Purge();
+ Purge();
- Sys_Printf(MSG_PREFIX "Loading portal file %s.\n", fn);
+ globalOutputStream() << MSG_PREFIX "Loading portal file " << fn << ".\n";
- FILE *in;
+ FILE *in;
- in = fopen(fn, "rt");
+ in = fopen(fn, "rt");
- if(in == NULL)
- {
- Sys_Printf(" ERROR - could not open file.\n");
+ if (in == NULL) {
+ globalOutputStream() << " ERROR - could not open file.\n";
- return;
- }
+ return;
+ }
- if(!fgets(buf, LINE_BUF, in))
- {
- fclose(in);
+ if (!fgets(buf, LINE_BUF, in)) {
+ fclose(in);
- Sys_Printf(" ERROR - File ended prematurely.\n");
+ globalOutputStream() << " ERROR - File ended prematurely.\n";
- return;
- }
+ return;
+ }
- if(strncmp("PRT1", buf, 4) != 0)
- {
- fclose(in);
+ if (strncmp("PRT1", buf, 4) != 0) {
+ fclose(in);
- Sys_Printf(" ERROR - File header indicates wrong file type (should be \"PRT1\").\n");
+ globalOutputStream() << " ERROR - File header indicates wrong file type (should be \"PRT1\").\n";
- return;
- }
+ return;
+ }
- if(!fgets(buf, LINE_BUF, in))
- {
- fclose(in);
+ if (!fgets(buf, LINE_BUF, in)) {
+ fclose(in);
- Sys_Printf(" ERROR - File ended prematurely.\n");
+ globalOutputStream() << " ERROR - File ended prematurely.\n";
- return;
- }
+ return;
+ }
- sscanf(buf, "%u", &node_count);
+ sscanf(buf, "%u", &node_count);
/*
- if(node_count > 0xFFFF)
- {
- fclose(in);
+ if(node_count > 0xFFFF)
+ {
+ fclose(in);
- node_count = 0;
+ node_count = 0;
- Sys_Printf(" ERROR - Extreme number of nodes, aborting.\n");
+ globalOutputStream() << " ERROR - Extreme number of nodes, aborting.\n";
- return;
- }
- */
+ return;
+ }
+ */
- if(!fgets(buf, LINE_BUF, in))
- {
- fclose(in);
+ if (!fgets(buf, LINE_BUF, in)) {
+ fclose(in);
- node_count = 0;
+ node_count = 0;
- Sys_Printf(" ERROR - File ended prematurely.\n");
+ globalOutputStream() << " ERROR - File ended prematurely.\n";
- return;
- }
+ return;
+ }
- sscanf(buf, "%u", &portal_count);
+ sscanf(buf, "%u", &portal_count);
- if(portal_count > 0xFFFF)
- {
- fclose(in);
+ if (portal_count > 0xFFFF) {
+ fclose(in);
- portal_count = 0;
- node_count = 0;
+ portal_count = 0;
+ node_count = 0;
- Sys_Printf(" ERROR - Extreme number of portals, aborting.\n");
+ globalOutputStream() << " ERROR - Extreme number of portals, aborting.\n";
- return;
- }
+ return;
+ }
- if(portal_count < 0)
- {
- fclose(in);
+ if (portal_count == 0) {
+ fclose(in);
- portal_count = 0;
- node_count = 0;
+ portal_count = 0;
+ node_count = 0;
- Sys_Printf(" ERROR - number of portals equals 0, aborting.\n");
+ globalOutputStream() << " ERROR - number of portals equals 0, aborting.\n";
- return;
- }
+ return;
+ }
// node = new CBspNode[node_count];
- portal = new CBspPortal[portal_count];
- portal_sort = new int[portal_count];
+ portal = new CBspPortal[portal_count];
+ portal_sort = new int[portal_count];
- unsigned int n;
- bool first = qtrue;
- unsigned test_vals_1, test_vals_2;
+ unsigned int n;
+ bool first = true;
+ unsigned test_vals_1, test_vals_2;
- hint_flags = qfalse;
+ hint_flags = false;
- for(n = 0; n < portal_count; )
- {
- if(!fgets(buf, LINE_BUF, in))
- {
- fclose(in);
+ for (n = 0; n < portal_count;) {
+ if (!fgets(buf, LINE_BUF, in)) {
+ fclose(in);
- Purge();
+ Purge();
- Sys_Printf(" ERROR - Could not find information for portal number %d of %d.\n", n + 1, portal_count);
+ globalOutputStream() << " ERROR - Could not find information for portal number " << n + 1 << " of "
+ << portal_count << ".\n";
- return;
- }
+ return;
+ }
- if(!portal[n].Build(buf))
- {
- if(first && sscanf(buf, "%d %d", &test_vals_1, &test_vals_2) == 1) // skip additional counts of later data, not needed
- {
- // We can count on hint flags being in the file
- hint_flags = qtrue;
- continue;
- }
+ if (!portal[n].Build(buf)) {
+ if (first && sscanf(buf, "%d %d", (int *) &test_vals_1, (int *) &test_vals_2) ==
+ 1) { // skip additional counts of later data, not needed
+ // We can count on hint flags being in the file
+ hint_flags = true;
+ continue;
+ }
- first = qfalse;
+ first = false;
- fclose(in);
+ fclose(in);
- Purge();
+ Purge();
- Sys_Printf(" ERROR - Information for portal number %d of %d is not formatted correctly.\n", n + 1, portal_count);
+ globalOutputStream() << " ERROR - Information for portal number " << n + 1 << " of " << portal_count
+ << " is not formatted correctly.\n";
- return;
- }
+ return;
+ }
- n++;
- }
+ n++;
+ }
- fclose(in);
+ fclose(in);
- Sys_Printf(" %u portals read in.\n", node_count, portal_count);
+ globalOutputStream() << " " << node_count << " portals read in.\n";
}
-void CPortals::FixColors()
+#include "math/matrix.h"
+
+const char *g_state_solid = "$plugins/prtview/solid";
+const char *g_state_solid_outline = "$plugins/prtview/solid_outline";
+const char *g_state_wireframe = "$plugins/prtview/wireframe";
+Shader *g_shader_solid = 0;
+Shader *g_shader_solid_outline = 0;
+Shader *g_shader_wireframe = 0;
+
+void Portals_constructShaders()
{
- fp_color_2d[0] = (float)GetRValue(color_2d) / 255.0f;
- fp_color_2d[1] = (float)GetGValue(color_2d) / 255.0f;
- fp_color_2d[2] = (float)GetBValue(color_2d) / 255.0f;
- fp_color_2d[3] = 1.0f;
-
- fp_color_3d[0] = (float)GetRValue(color_3d) / 255.0f;
- fp_color_3d[1] = (float)GetGValue(color_3d) / 255.0f;
- fp_color_3d[2] = (float)GetBValue(color_3d) / 255.0f;
- fp_color_3d[3] = 1.0f;
-
- fp_color_fog[0] = 0.0f;//(float)GetRValue(color_fog) / 255.0f;
- fp_color_fog[1] = 0.0f;//(float)GetGValue(color_fog) / 255.0f;
- fp_color_fog[2] = 0.0f;//(float)GetBValue(color_fog) / 255.0f;
- fp_color_fog[3] = 1.0f;
+ OpenGLState state;
+ GlobalOpenGLStateLibrary().getDefaultState(state);
+ state.m_state = RENDER_COLOURWRITE | RENDER_DEPTHWRITE;
+ state.m_sort = OpenGLState::eSortOverlayFirst;
+ state.m_linewidth = portals.width_2d * 0.5f;
+ state.m_colour[0] = portals.fp_color_2d[0];
+ state.m_colour[1] = portals.fp_color_2d[1];
+ state.m_colour[2] = portals.fp_color_2d[2];
+ state.m_colour[3] = portals.fp_color_2d[3];
+ if (portals.aa_2d) {
+ state.m_state |= RENDER_BLEND | RENDER_LINESMOOTH;
+ }
+ GlobalOpenGLStateLibrary().insert(g_state_wireframe, state);
+
+ GlobalOpenGLStateLibrary().getDefaultState(state);
+ state.m_state = RENDER_FILL | RENDER_BLEND | RENDER_COLOURWRITE | RENDER_COLOURCHANGE | RENDER_SMOOTH;
+
+ if (portals.aa_3d) {
+ state.m_state |= RENDER_POLYGONSMOOTH;
+ }
+
+ switch (portals.zbuffer) {
+ case 1:
+ state.m_state |= RENDER_DEPTHTEST;
+ break;
+ case 2:
+ break;
+ default:
+ state.m_state |= RENDER_DEPTHTEST;
+ state.m_state |= RENDER_DEPTHWRITE;
+ }
+
+ if (portals.fog) {
+ state.m_state |= RENDER_FOG;
+
+ state.m_fog.mode = GL_EXP;
+ state.m_fog.density = 0.001f;
+ state.m_fog.start = 10.0f;
+ state.m_fog.end = 10000.0f;
+ state.m_fog.index = 0;
+ state.m_fog.colour[0] = portals.fp_color_fog[0];
+ state.m_fog.colour[1] = portals.fp_color_fog[1];
+ state.m_fog.colour[2] = portals.fp_color_fog[2];
+ state.m_fog.colour[3] = portals.fp_color_fog[3];
+ }
+
+ GlobalOpenGLStateLibrary().insert(g_state_solid, state);
+
+ GlobalOpenGLStateLibrary().getDefaultState(state);
+ state.m_state = RENDER_COLOURWRITE | RENDER_DEPTHWRITE;
+ state.m_sort = OpenGLState::eSortOverlayFirst;
+ state.m_linewidth = portals.width_3d * 0.5f;
+ state.m_colour[0] = portals.fp_color_3d[0];
+ state.m_colour[1] = portals.fp_color_3d[1];
+ state.m_colour[2] = portals.fp_color_3d[2];
+ state.m_colour[3] = portals.fp_color_3d[3];
+
+ if (portals.aa_3d) {
+ state.m_state |= RENDER_LINESMOOTH;
+ }
+
+ switch (portals.zbuffer) {
+ case 1:
+ state.m_state |= RENDER_DEPTHTEST;
+ break;
+ case 2:
+ break;
+ default:
+ state.m_state |= RENDER_DEPTHTEST;
+ state.m_state |= RENDER_DEPTHWRITE;
+ }
+
+ if (portals.fog) {
+ state.m_state |= RENDER_FOG;
+
+ state.m_fog.mode = GL_EXP;
+ state.m_fog.density = 0.001f;
+ state.m_fog.start = 10.0f;
+ state.m_fog.end = 10000.0f;
+ state.m_fog.index = 0;
+ state.m_fog.colour[0] = portals.fp_color_fog[0];
+ state.m_fog.colour[1] = portals.fp_color_fog[1];
+ state.m_fog.colour[2] = portals.fp_color_fog[2];
+ state.m_fog.colour[3] = portals.fp_color_fog[3];
+ }
+
+ GlobalOpenGLStateLibrary().insert(g_state_solid_outline, state);
+
+ g_shader_solid = GlobalShaderCache().capture(g_state_solid);
+ g_shader_solid_outline = GlobalShaderCache().capture(g_state_solid_outline);
+ g_shader_wireframe = GlobalShaderCache().capture(g_state_wireframe);
}
-CPortalsRender::CPortalsRender()
+void Portals_destroyShaders()
{
- refCount = 1;
+ GlobalShaderCache().release(g_state_solid);
+ GlobalShaderCache().release(g_state_solid_outline);
+ GlobalShaderCache().release(g_state_wireframe);
+ GlobalOpenGLStateLibrary().erase(g_state_solid);
+ GlobalOpenGLStateLibrary().erase(g_state_solid_outline);
+ GlobalOpenGLStateLibrary().erase(g_state_wireframe);
}
-CPortalsRender::~CPortalsRender()
+void Portals_shadersChanged()
{
+ Portals_destroyShaders();
+ portals.FixColors();
+ Portals_constructShaders();
}
-void CPortalsRender::Register()
+void CPortals::FixColors()
{
- g_QglTable.m_pfnHookGL2DWindow( this );
- g_QglTable.m_pfnHookGL3DWindow( this );
+ fp_color_2d[0] = (float) GetRValue(color_2d) / 255.0f;
+ fp_color_2d[1] = (float) GetGValue(color_2d) / 255.0f;
+ fp_color_2d[2] = (float) GetBValue(color_2d) / 255.0f;
+ fp_color_2d[3] = 1.0f;
+
+ fp_color_3d[0] = (float) GetRValue(color_3d) / 255.0f;
+ fp_color_3d[1] = (float) GetGValue(color_3d) / 255.0f;
+ fp_color_3d[2] = (float) GetBValue(color_3d) / 255.0f;
+ fp_color_3d[3] = 1.0f;
+
+ fp_color_fog[0] = 0.0f; //(float)GetRValue(color_fog) / 255.0f;
+ fp_color_fog[1] = 0.0f; //(float)GetGValue(color_fog) / 255.0f;
+ fp_color_fog[2] = 0.0f; //(float)GetBValue(color_fog) / 255.0f;
+ fp_color_fog[3] = 1.0f;
}
-void CPortalsRender::Draw2D( VIEWTYPE vt )
+void CPortalsRender::renderWireframe(Renderer &renderer, const VolumeTest &volume) const
{
- if(!portals.show_2d || portals.portal_count < 1)
- return;
-
- g_QglTable.m_pfn_qglPushAttrib(GL_ALL_ATTRIB_BITS);
-
- if(portals.aa_2d)
- {
- g_QglTable.m_pfn_qglEnable(GL_BLEND);
- g_QglTable.m_pfn_qglEnable(GL_LINE_SMOOTH);
- }
- else
- {
- g_QglTable.m_pfn_qglDisable(GL_BLEND);
- g_QglTable.m_pfn_qglEnable(GL_LINE_SMOOTH);
- }
-
- switch(vt)
- {
- case XY:
- break;
- case XZ:
- g_QglTable.m_pfn_qglRotatef(270.0f, 1.0f, 0.0f, 0.0f);
- break;
- case YZ:
- g_QglTable.m_pfn_qglRotatef(270.0f, 1.0f, 0.0f, 0.0f);
- g_QglTable.m_pfn_qglRotatef(270.0f, 0.0f, 0.0f, 1.0f);
- break;
- }
-
- g_QglTable.m_pfn_qglLineWidth(portals.width_2d * 0.5f);
-
- g_QglTable.m_pfn_qglColor4fv(portals.fp_color_2d);
-
- unsigned int n, p;
-
- for(n = 0; n < portals.portal_count; n++)
- {
- g_QglTable.m_pfn_qglBegin(GL_LINE_LOOP);
-
- for(p = 0; p < portals.portal[n].point_count; p++)
- g_QglTable.m_pfn_qglVertex3fv(portals.portal[n].point[p].p);
-
- g_QglTable.m_pfn_qglEnd();
- }
-
- g_QglTable.m_pfn_qglPopAttrib();
+ if (!portals.show_2d || portals.portal_count < 1) {
+ return;
+ }
+
+ renderer.SetState(g_shader_wireframe, Renderer::eWireframeOnly);
+
+ renderer.addRenderable(m_drawWireframe, g_matrix4_identity);
}
-/*
- * Transform a point (column vector) by a 4x4 matrix. I.e. out = m * in
- * Input: m - the 4x4 matrix
- * in - the 4x1 vector
- * Output: out - the resulting 4x1 vector.
- */
-static void transform_point( GLdouble out[4], const GLdouble m[16],
- const GLdouble in[4] )
+void CPortalsDrawWireframe::render(RenderStateFlags state) const
{
-#define M(row,col) m[col*4+row]
- out[0] = M(0,0) * in[0] + M(0,1) * in[1] + M(0,2) * in[2] + M(0,3) * in[3];
- out[1] = M(1,0) * in[0] + M(1,1) * in[1] + M(1,2) * in[2] + M(1,3) * in[3];
- out[2] = M(2,0) * in[0] + M(2,1) * in[1] + M(2,2) * in[2] + M(2,3) * in[3];
- out[3] = M(3,0) * in[0] + M(3,1) * in[1] + M(3,2) * in[2] + M(3,3) * in[3];
-#undef M
-}
+ unsigned int n, p;
-#include <math.h>
+ for (n = 0; n < portals.portal_count; n++) {
+ glBegin(GL_LINE_LOOP);
+ for (p = 0; p < portals.portal[n].point_count; p++)
+ glVertex3fv(portals.portal[n].point[p].p);
-/*
- * Perform a 4x4 matrix multiplication (product = a x b).
- * Input: a, b - matrices to multiply
- * Output: product - product of a and b
- */
-static void matmul( GLdouble *product, const GLdouble *a, const GLdouble *b )
+ glEnd();
+ }
+}
+
+CubicClipVolume calculateCubicClipVolume(const Matrix4 &viewproj)
{
- /* This matmul was contributed by Thomas Malik */
- GLdouble temp[16];
- GLint i;
-
-#define A(row,col) a[(col<<2)+row]
-#define B(row,col) b[(col<<2)+row]
-#define T(row,col) temp[(col<<2)+row]
-
- /* i-te Zeile */
- for (i = 0; i < 4; i++)
- {
- T(i, 0) = A(i, 0) * B(0, 0) + A(i, 1) * B(1, 0) + A(i, 2) * B(2, 0) + A(i, 3) * B(3, 0);
- T(i, 1) = A(i, 0) * B(0, 1) + A(i, 1) * B(1, 1) + A(i, 2) * B(2, 1) + A(i, 3) * B(3, 1);
- T(i, 2) = A(i, 0) * B(0, 2) + A(i, 1) * B(1, 2) + A(i, 2) * B(2, 2) + A(i, 3) * B(3, 2);
- T(i, 3) = A(i, 0) * B(0, 3) + A(i, 1) * B(1, 3) + A(i, 2) * B(2, 3) + A(i, 3) * B(3, 3);
- }
-
-#undef A
-#undef B
-#undef T
- memcpy ( product, temp, 16*sizeof(GLdouble) );
+ CubicClipVolume clip;
+ clip.cam = vector4_projected(
+ matrix4_transformed_vector4(
+ matrix4_full_inverse(viewproj),
+ Vector4(0, 0, -1, 1)
+ )
+ );
+ clip.min[0] = clip.cam[0] + (portals.clip_range * 64.0f);
+ clip.min[1] = clip.cam[1] + (portals.clip_range * 64.0f);
+ clip.min[2] = clip.cam[2] + (portals.clip_range * 64.0f);
+ clip.max[0] = clip.cam[0] - (portals.clip_range * 64.0f);
+ clip.max[1] = clip.cam[1] - (portals.clip_range * 64.0f);
+ clip.max[2] = clip.cam[2] - (portals.clip_range * 64.0f);
+ return clip;
}
+void CPortalsRender::renderSolid(Renderer &renderer, const VolumeTest &volume) const
+{
+ if (!portals.show_3d || portals.portal_count < 1) {
+ return;
+ }
+ CubicClipVolume clip = calculateCubicClipVolume(
+ matrix4_multiplied_by_matrix4(volume.GetProjection(), volume.GetModelview()));
-/*
- * Compute inverse of 4x4 transformation matrix.
- * Code contributed by Jacques Leroy jle@star.be
- * Return GL_TRUE for success, GL_FALSE for failure (singular matrix)
- */
-static GLboolean invert_matrix( const GLdouble *m, GLdouble *out )
-{
-/* NB. OpenGL Matrices are COLUMN major. */
-#define SWAP_ROWS(a, b) { GLdouble *_tmp = a; (a)=(b); (b)=_tmp; }
-#define MAT(m,r,c) (m)[(c)*4+(r)]
-
- GLdouble wtmp[4][8];
- GLdouble m0, m1, m2, m3, s;
- GLdouble *r0, *r1, *r2, *r3;
-
- r0 = wtmp[0], r1 = wtmp[1], r2 = wtmp[2], r3 = wtmp[3];
-
- r0[0] = MAT(m,0,0), r0[1] = MAT(m,0,1),
- r0[2] = MAT(m,0,2), r0[3] = MAT(m,0,3),
- r0[4] = 1.0, r0[5] = r0[6] = r0[7] = 0.0,
-
- r1[0] = MAT(m,1,0), r1[1] = MAT(m,1,1),
- r1[2] = MAT(m,1,2), r1[3] = MAT(m,1,3),
- r1[5] = 1.0, r1[4] = r1[6] = r1[7] = 0.0,
-
- r2[0] = MAT(m,2,0), r2[1] = MAT(m,2,1),
- r2[2] = MAT(m,2,2), r2[3] = MAT(m,2,3),
- r2[6] = 1.0, r2[4] = r2[5] = r2[7] = 0.0,
-
- r3[0] = MAT(m,3,0), r3[1] = MAT(m,3,1),
- r3[2] = MAT(m,3,2), r3[3] = MAT(m,3,3),
- r3[7] = 1.0, r3[4] = r3[5] = r3[6] = 0.0;
-
- /* choose pivot - or die */
- if (fabs(r3[0])>fabs(r2[0])) SWAP_ROWS(r3, r2);
- if (fabs(r2[0])>fabs(r1[0])) SWAP_ROWS(r2, r1);
- if (fabs(r1[0])>fabs(r0[0])) SWAP_ROWS(r1, r0);
- if (0.0 == r0[0]) return GL_FALSE;
-
- /* eliminate first variable */
- m1 = r1[0]/r0[0]; m2 = r2[0]/r0[0]; m3 = r3[0]/r0[0];
- s = r0[1]; r1[1] -= m1 * s; r2[1] -= m2 * s; r3[1] -= m3 * s;
- s = r0[2]; r1[2] -= m1 * s; r2[2] -= m2 * s; r3[2] -= m3 * s;
- s = r0[3]; r1[3] -= m1 * s; r2[3] -= m2 * s; r3[3] -= m3 * s;
- s = r0[4];
- if (s != 0.0) { r1[4] -= m1 * s; r2[4] -= m2 * s; r3[4] -= m3 * s; }
- s = r0[5];
- if (s != 0.0) { r1[5] -= m1 * s; r2[5] -= m2 * s; r3[5] -= m3 * s; }
- s = r0[6];
- if (s != 0.0) { r1[6] -= m1 * s; r2[6] -= m2 * s; r3[6] -= m3 * s; }
- s = r0[7];
- if (s != 0.0) { r1[7] -= m1 * s; r2[7] -= m2 * s; r3[7] -= m3 * s; }
-
- /* choose pivot - or die */
- if (fabs(r3[1])>fabs(r2[1])) SWAP_ROWS(r3, r2);
- if (fabs(r2[1])>fabs(r1[1])) SWAP_ROWS(r2, r1);
- if (0.0 == r1[1]) return GL_FALSE;
-
- /* eliminate second variable */
- m2 = r2[1]/r1[1]; m3 = r3[1]/r1[1];
- r2[2] -= m2 * r1[2]; r3[2] -= m3 * r1[2];
- r2[3] -= m2 * r1[3]; r3[3] -= m3 * r1[3];
- s = r1[4]; if (0.0 != s) { r2[4] -= m2 * s; r3[4] -= m3 * s; }
- s = r1[5]; if (0.0 != s) { r2[5] -= m2 * s; r3[5] -= m3 * s; }
- s = r1[6]; if (0.0 != s) { r2[6] -= m2 * s; r3[6] -= m3 * s; }
- s = r1[7]; if (0.0 != s) { r2[7] -= m2 * s; r3[7] -= m3 * s; }
-
- /* choose pivot - or die */
- if (fabs(r3[2])>fabs(r2[2])) SWAP_ROWS(r3, r2);
- if (0.0 == r2[2]) return GL_FALSE;
-
- /* eliminate third variable */
- m3 = r3[2]/r2[2];
- r3[3] -= m3 * r2[3], r3[4] -= m3 * r2[4],
- r3[5] -= m3 * r2[5], r3[6] -= m3 * r2[6],
- r3[7] -= m3 * r2[7];
-
- /* last check */
- if (0.0 == r3[3]) return GL_FALSE;
-
- s = 1.0/r3[3]; /* now back substitute row 3 */
- r3[4] *= s; r3[5] *= s; r3[6] *= s; r3[7] *= s;
-
- m2 = r2[3]; /* now back substitute row 2 */
- s = 1.0/r2[2];
- r2[4] = s * (r2[4] - r3[4] * m2), r2[5] = s * (r2[5] - r3[5] * m2),
- r2[6] = s * (r2[6] - r3[6] * m2), r2[7] = s * (r2[7] - r3[7] * m2);
- m1 = r1[3];
- r1[4] -= r3[4] * m1, r1[5] -= r3[5] * m1,
- r1[6] -= r3[6] * m1, r1[7] -= r3[7] * m1;
- m0 = r0[3];
- r0[4] -= r3[4] * m0, r0[5] -= r3[5] * m0,
- r0[6] -= r3[6] * m0, r0[7] -= r3[7] * m0;
-
- m1 = r1[2]; /* now back substitute row 1 */
- s = 1.0/r1[1];
- r1[4] = s * (r1[4] - r2[4] * m1), r1[5] = s * (r1[5] - r2[5] * m1),
- r1[6] = s * (r1[6] - r2[6] * m1), r1[7] = s * (r1[7] - r2[7] * m1);
- m0 = r0[2];
- r0[4] -= r2[4] * m0, r0[5] -= r2[5] * m0,
- r0[6] -= r2[6] * m0, r0[7] -= r2[7] * m0;
-
- m0 = r0[1]; /* now back substitute row 0 */
- s = 1.0/r0[0];
- r0[4] = s * (r0[4] - r1[4] * m0), r0[5] = s * (r0[5] - r1[5] * m0),
- r0[6] = s * (r0[6] - r1[6] * m0), r0[7] = s * (r0[7] - r1[7] * m0);
-
- MAT(out,0,0) = r0[4]; MAT(out,0,1) = r0[5],
- MAT(out,0,2) = r0[6]; MAT(out,0,3) = r0[7],
- MAT(out,1,0) = r1[4]; MAT(out,1,1) = r1[5],
- MAT(out,1,2) = r1[6]; MAT(out,1,3) = r1[7],
- MAT(out,2,0) = r2[4]; MAT(out,2,1) = r2[5],
- MAT(out,2,2) = r2[6]; MAT(out,2,3) = r2[7],
- MAT(out,3,0) = r3[4]; MAT(out,3,1) = r3[5],
- MAT(out,3,2) = r3[6]; MAT(out,3,3) = r3[7];
-
- return GL_TRUE;
-
-#undef MAT
-#undef SWAP_ROWS
+ if (portals.polygons) {
+ renderer.SetState(g_shader_solid, Renderer::eWireframeOnly);
+ renderer.SetState(g_shader_solid, Renderer::eFullMaterials);
+
+ m_drawSolid.clip = clip;
+ renderer.addRenderable(m_drawSolid, g_matrix4_identity);
+ }
+
+ if (portals.lines) {
+ renderer.SetState(g_shader_solid_outline, Renderer::eWireframeOnly);
+ renderer.SetState(g_shader_solid_outline, Renderer::eFullMaterials);
+
+ m_drawSolidOutline.clip = clip;
+ renderer.addRenderable(m_drawSolidOutline, g_matrix4_identity);
+ }
}
-GLint UnProject(GLdouble winx,GLdouble winy,GLdouble winz,
- const GLdouble model[16],const GLdouble proj[16],
- const GLint viewport[4],
- GLdouble *objx,GLdouble *objy,GLdouble *objz)
+void CPortalsDrawSolid::render(RenderStateFlags state) const
{
- /* matrice de transformation */
- GLdouble m[16], A[16];
- GLdouble in[4],out[4];
-
- /* transformation coordonnees normalisees entre -1 et 1 */
- in[0]=(winx-viewport[0])*2/viewport[2] - 1.0;
- in[1]=(winy-viewport[1])*2/viewport[3] - 1.0;
- in[2]=2*winz - 1.0;
- in[3]=1.0;
-
- /* calcul transformation inverse */
- matmul(A,proj,model);
- invert_matrix(A,m);
-
- /* d'ou les coordonnees objets */
- transform_point(out,m,in);
- if (out[3]==0.0)
- return GL_FALSE;
- *objx=out[0]/out[3];
- *objy=out[1]/out[3];
- *objz=out[2]/out[3];
- return GL_TRUE;
+ float trans = (100.0f - portals.trans_3d) / 100.0f;
+
+ unsigned int n, p;
+
+ if (portals.zbuffer != 0) {
+ float d;
+
+ for (n = 0; n < portals.portal_count; n++) {
+ d = (float) clip.cam[0] - portals.portal[n].center.p[0];
+ portals.portal[n].dist = d * d;
+
+ d = (float) clip.cam[1] - portals.portal[n].center.p[1];
+ portals.portal[n].dist += d * d;
+
+ d = (float) clip.cam[2] - portals.portal[n].center.p[2];
+ portals.portal[n].dist += d * d;
+
+ portals.portal_sort[n] = n;
+ }
+
+ qsort(portals.portal_sort, portals.portal_count, 4, compare);
+
+ for (n = 0; n < portals.portal_count; n++) {
+ if (portals.polygons == 2 && !portals.portal[portals.portal_sort[n]].hint) {
+ continue;
+ }
+
+ if (portals.clip) {
+ if (clip.min[0] < portals.portal[portals.portal_sort[n]].min[0]) {
+ continue;
+ } else if (clip.min[1] < portals.portal[portals.portal_sort[n]].min[1]) {
+ continue;
+ } else if (clip.min[2] < portals.portal[portals.portal_sort[n]].min[2]) {
+ continue;
+ } else if (clip.max[0] > portals.portal[portals.portal_sort[n]].max[0]) {
+ continue;
+ } else if (clip.max[1] > portals.portal[portals.portal_sort[n]].max[1]) {
+ continue;
+ } else if (clip.max[2] > portals.portal[portals.portal_sort[n]].max[2]) {
+ continue;
+ }
+ }
+
+ glColor4f(portals.portal[portals.portal_sort[n]].fp_color_random[0],
+ portals.portal[portals.portal_sort[n]].fp_color_random[1],
+ portals.portal[portals.portal_sort[n]].fp_color_random[2], trans);
+
+ glBegin(GL_POLYGON);
+
+ for (p = 0; p < portals.portal[portals.portal_sort[n]].point_count; p++)
+ glVertex3fv(portals.portal[portals.portal_sort[n]].point[p].p);
+
+ glEnd();
+ }
+ } else {
+ for (n = 0; n < portals.portal_count; n++) {
+ if (portals.polygons == 2 && !portals.portal[n].hint) {
+ continue;
+ }
+
+ if (portals.clip) {
+ if (clip.min[0] < portals.portal[n].min[0]) {
+ continue;
+ } else if (clip.min[1] < portals.portal[n].min[1]) {
+ continue;
+ } else if (clip.min[2] < portals.portal[n].min[2]) {
+ continue;
+ } else if (clip.max[0] > portals.portal[n].max[0]) {
+ continue;
+ } else if (clip.max[1] > portals.portal[n].max[1]) {
+ continue;
+ } else if (clip.max[2] > portals.portal[n].max[2]) {
+ continue;
+ }
+ }
+
+ glColor4f(portals.portal[n].fp_color_random[0], portals.portal[n].fp_color_random[1],
+ portals.portal[n].fp_color_random[2], trans);
+
+ glBegin(GL_POLYGON);
+
+ for (p = 0; p < portals.portal[n].point_count; p++)
+ glVertex3fv(portals.portal[n].point[p].p);
+
+ glEnd();
+ }
+ }
}
-void CPortalsRender::Draw3D()
+void CPortalsDrawSolidOutline::render(RenderStateFlags state) const
{
- if(!portals.show_3d || portals.portal_count < 1)
- return;
-
- g_QglTable.m_pfn_qglPushAttrib(GL_ALL_ATTRIB_BITS);
-
- double cam[3];
- double proj_m[16];
- double model_m[16];
- float min_check[3];
- float max_check[3];
- float trans = (100.0f - portals.trans_3d) / 100.0f;
- int view[4];
-
- g_QglTable.m_pfn_qglGetDoublev(GL_PROJECTION_MATRIX, proj_m);
- g_QglTable.m_pfn_qglGetDoublev(GL_MODELVIEW_MATRIX, model_m);
- g_QglTable.m_pfn_qglGetIntegerv(GL_VIEWPORT, view);
-
- UnProject(0.5 * (double)view[2], 0.5 * (double)view[3], 0.0, model_m, proj_m, view, cam, cam+1, cam+2);
-
- min_check[0] = (float)cam[0] + (portals.clip_range * 64.0f);
- min_check[1] = (float)cam[1] + (portals.clip_range * 64.0f);
- min_check[2] = (float)cam[2] + (portals.clip_range * 64.0f);
- max_check[0] = (float)cam[0] - (portals.clip_range * 64.0f);
- max_check[1] = (float)cam[1] - (portals.clip_range * 64.0f);
- max_check[2] = (float)cam[2] - (portals.clip_range * 64.0f);
-
- g_QglTable.m_pfn_qglHint(GL_FOG_HINT, GL_NICEST);
-
- g_QglTable.m_pfn_qglDisable(GL_CULL_FACE);
-
- g_QglTable.m_pfn_qglDisable(GL_LINE_SMOOTH);
- g_QglTable.m_pfn_qglDisable(GL_POLYGON_SMOOTH);
-
- g_QglTable.m_pfn_qglPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
-
- g_QglTable.m_pfn_qglShadeModel(GL_SMOOTH);
-
- g_QglTable.m_pfn_qglEnable(GL_BLEND);
- g_QglTable.m_pfn_qglBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
- g_QglTable.m_pfn_qglEnable(GL_POLYGON_SMOOTH);
-
- if(portals.aa_3d)
- g_QglTable.m_pfn_qglEnable(GL_LINE_SMOOTH);
- else
- g_QglTable.m_pfn_qglDisable(GL_LINE_SMOOTH);
-
- if(portals.fog)
- {
- g_QglTable.m_pfn_qglEnable(GL_FOG);
-
- g_QglTable.m_pfn_qglFogi(GL_FOG_MODE, GL_EXP);
- g_QglTable.m_pfn_qglFogf(GL_FOG_DENSITY, 0.001f);
- g_QglTable.m_pfn_qglFogf(GL_FOG_START, 10.0f);
- g_QglTable.m_pfn_qglFogf(GL_FOG_END, 10000.0f);
- g_QglTable.m_pfn_qglFogi(GL_FOG_INDEX, 0);
- g_QglTable.m_pfn_qglFogfv(GL_FOG_COLOR, portals.fp_color_fog);
- }
- else
- {
- g_QglTable.m_pfn_qglDisable(GL_FOG);
- }
-
- switch(portals.zbuffer)
- {
- case 1:
- g_QglTable.m_pfn_qglEnable(GL_DEPTH_TEST);
- g_QglTable.m_pfn_qglDepthMask(GL_FALSE);
- break;
- case 2:
- g_QglTable.m_pfn_qglDisable(GL_DEPTH_TEST);
- break;
- default:
- g_QglTable.m_pfn_qglEnable(GL_DEPTH_TEST);
- g_QglTable.m_pfn_qglDepthMask(GL_TRUE);
- }
-
- g_QglTable.m_pfn_qglLineWidth(portals.width_3d * 0.5f);
-
- unsigned int n, p;
-
- if(portals.polygons)
- {
- if(portals.zbuffer != 0)
- {
- float d;
-
- for(n = 0; n < portals.portal_count; n++)
- {
- d = (float)cam[0] - portals.portal[n].center.p[0];
- portals.portal[n].dist = d * d;
-
- d = (float)cam[1] - portals.portal[n].center.p[1];
- portals.portal[n].dist += d * d;
-
- d = (float)cam[2] - portals.portal[n].center.p[2];
- portals.portal[n].dist += d * d;
-
- portals.portal_sort[n] = n;
- }
-
- qsort(portals.portal_sort, portals.portal_count, 4, compare);
-
- for(n = 0; n < portals.portal_count; n++)
- {
- if(portals.polygons == 2 && !portals.portal[portals.portal_sort[n]].hint)
- continue;
-
- if(portals.clip)
- {
- if(min_check[0] < portals.portal[portals.portal_sort[n]].min[0])
- continue;
- else if(min_check[1] < portals.portal[portals.portal_sort[n]].min[1])
- continue;
- else if(min_check[2] < portals.portal[portals.portal_sort[n]].min[2])
- continue;
- else if(max_check[0] > portals.portal[portals.portal_sort[n]].max[0])
- continue;
- else if(max_check[1] > portals.portal[portals.portal_sort[n]].max[1])
- continue;
- else if(max_check[2] > portals.portal[portals.portal_sort[n]].max[2])
- continue;
- }
-
- g_QglTable.m_pfn_qglColor4f(portals.portal[portals.portal_sort[n]].fp_color_random[0], portals.portal[portals.portal_sort[n]].fp_color_random[1],
- portals.portal[portals.portal_sort[n]].fp_color_random[2], trans);
-
- g_QglTable.m_pfn_qglBegin(GL_POLYGON);
-
- for(p = 0; p < portals.portal[portals.portal_sort[n]].point_count; p++)
- g_QglTable.m_pfn_qglVertex3fv(portals.portal[portals.portal_sort[n]].point[p].p);
-
- g_QglTable.m_pfn_qglEnd();
- }
- }
- else
- {
- for(n = 0; n < portals.portal_count; n++)
- {
- if(portals.polygons == 2 && !portals.portal[n].hint)
- continue;
-
- if(portals.clip)
- {
- if(min_check[0] < portals.portal[n].min[0])
- continue;
- else if(min_check[1] < portals.portal[n].min[1])
- continue;
- else if(min_check[2] < portals.portal[n].min[2])
- continue;
- else if(max_check[0] > portals.portal[n].max[0])
- continue;
- else if(max_check[1] > portals.portal[n].max[1])
- continue;
- else if(max_check[2] > portals.portal[n].max[2])
- continue;
- }
-
- g_QglTable.m_pfn_qglColor4f(portals.portal[n].fp_color_random[0], portals.portal[n].fp_color_random[1],
- portals.portal[n].fp_color_random[2], trans);
-
- g_QglTable.m_pfn_qglBegin(GL_POLYGON);
-
- for(p = 0; p < portals.portal[n].point_count; p++)
- g_QglTable.m_pfn_qglVertex3fv(portals.portal[n].point[p].p);
-
- g_QglTable.m_pfn_qglEnd();
- }
- }
- }
-
- if(portals.lines)
- {
- g_QglTable.m_pfn_qglColor4fv(portals.fp_color_3d);
-
- for(n = 0; n < portals.portal_count; n++)
- {
- if(portals.lines == 2 && !portals.portal[n].hint)
- continue;
-
- if(portals.clip)
- {
- if(min_check[0] < portals.portal[n].min[0])
- continue;
- else if(min_check[1] < portals.portal[n].min[1])
- continue;
- else if(min_check[2] < portals.portal[n].min[2])
- continue;
- else if(max_check[0] > portals.portal[n].max[0])
- continue;
- else if(max_check[1] > portals.portal[n].max[1])
- continue;
- else if(max_check[2] > portals.portal[n].max[2])
- continue;
- }
-
- g_QglTable.m_pfn_qglBegin(GL_LINE_LOOP);
-
- for(p = 0; p < portals.portal[n].point_count; p++)
- g_QglTable.m_pfn_qglVertex3fv(portals.portal[n].inner_point[p].p);
-
- g_QglTable.m_pfn_qglEnd();
- }
- }
-
- g_QglTable.m_pfn_qglPopAttrib();
+ for (unsigned int n = 0; n < portals.portal_count; n++) {
+ if (portals.lines == 2 && !portals.portal[n].hint) {
+ continue;
+ }
+
+ if (portals.clip) {
+ if (clip.min[0] < portals.portal[n].min[0]) {
+ continue;
+ }
+ if (clip.min[1] < portals.portal[n].min[1]) {
+ continue;
+ }
+ if (clip.min[2] < portals.portal[n].min[2]) {
+ continue;
+ }
+ if (clip.max[0] > portals.portal[n].max[0]) {
+ continue;
+ }
+ if (clip.max[1] > portals.portal[n].max[1]) {
+ continue;
+ }
+ if (clip.max[2] > portals.portal[n].max[2]) {
+ continue;
+ }
+ }
+
+ glBegin(GL_LINE_LOOP);
+
+ for (unsigned int p = 0; p < portals.portal[n].point_count; p++)
+ glVertex3fv(portals.portal[n].inner_point[p].p);
+
+ glEnd();
+ }
}
-
projects / xonotic / netradiant.git / blobdiff