Add buildsys
FossilOrigin-Name: e5461ff8527693d6fead8581236f625852d55c2a3d7577e4eac219c7031e774f
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48 changed files with 6326 additions and 14 deletions
372
src/renderextras.cxx
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372
src/renderextras.cxx
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// renderextras.cpp: misc gl render code and the HUD
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#include "cube.h"
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void line(int x1, int y1, float z1, int x2, int y2, float z2)
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{
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glBegin(GL_POLYGON);
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glVertex3f((float)x1, z1, (float)y1);
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glVertex3f((float)x1, z1, y1+0.01f);
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glVertex3f((float)x2, z2, y2+0.01f);
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glVertex3f((float)x2, z2, (float)y2);
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glEnd();
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xtraverts += 4;
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};
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void linestyle(float width, int r, int g, int b)
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{
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glLineWidth(width);
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glColor3ub(r,g,b);
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};
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void box(block &b, float z1, float z2, float z3, float z4)
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{
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glBegin(GL_POLYGON);
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glVertex3f((float)b.x, z1, (float)b.y);
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glVertex3f((float)b.x+b.xs, z2, (float)b.y);
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glVertex3f((float)b.x+b.xs, z3, (float)b.y+b.ys);
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glVertex3f((float)b.x, z4, (float)b.y+b.ys);
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glEnd();
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xtraverts += 4;
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};
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void dot(int x, int y, float z)
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{
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const float DOF = 0.1f;
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glBegin(GL_POLYGON);
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glVertex3f(x-DOF, (float)z, y-DOF);
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glVertex3f(x+DOF, (float)z, y-DOF);
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glVertex3f(x+DOF, (float)z, y+DOF);
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glVertex3f(x-DOF, (float)z, y+DOF);
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glEnd();
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xtraverts += 4;
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};
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void blendbox(int x1, int y1, int x2, int y2, bool border)
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{
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glDepthMask(GL_FALSE);
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glDisable(GL_TEXTURE_2D);
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glBlendFunc(GL_ZERO, GL_ONE_MINUS_SRC_COLOR);
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glBegin(GL_QUADS);
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if(border) glColor3d(0.5, 0.3, 0.4);
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else glColor3d(1.0, 1.0, 1.0);
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glVertex2i(x1, y1);
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glVertex2i(x2, y1);
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glVertex2i(x2, y2);
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glVertex2i(x1, y2);
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glEnd();
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glDisable(GL_BLEND);
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glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
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glBegin(GL_POLYGON);
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glColor3d(0.2, 0.7, 0.4);
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glVertex2i(x1, y1);
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glVertex2i(x2, y1);
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glVertex2i(x2, y2);
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glVertex2i(x1, y2);
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glEnd();
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glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
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xtraverts += 8;
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glEnable(GL_BLEND);
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glEnable(GL_TEXTURE_2D);
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glDepthMask(GL_TRUE);
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};
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const int MAXSPHERES = 50;
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struct sphere { vec o; float size, max; int type; sphere *next; };
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sphere spheres[MAXSPHERES], *slist = NULL, *sempty = NULL;
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bool sinit = false;
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void newsphere(vec &o, float max, int type)
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{
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if(!sinit)
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{
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loopi(MAXSPHERES)
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{
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spheres[i].next = sempty;
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sempty = &spheres[i];
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};
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sinit = true;
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};
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if(sempty)
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{
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sphere *p = sempty;
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sempty = p->next;
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p->o = o;
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p->max = max;
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p->size = 1;
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p->type = type;
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p->next = slist;
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slist = p;
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};
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};
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void renderspheres(int time)
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{
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glDepthMask(GL_FALSE);
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glEnable(GL_BLEND);
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glBlendFunc(GL_SRC_ALPHA, GL_ONE);
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glBindTexture(GL_TEXTURE_2D, 4);
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for(sphere *p, **pp = &slist; p = *pp;)
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{
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glPushMatrix();
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float size = p->size/p->max;
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glColor4f(1.0f, 1.0f, 1.0f, 1.0f-size);
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glTranslatef(p->o.x, p->o.z, p->o.y);
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glRotatef(lastmillis/5.0f, 1, 1, 1);
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glScalef(p->size, p->size, p->size);
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glCallList(1);
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glScalef(0.8f, 0.8f, 0.8f);
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glCallList(1);
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glPopMatrix();
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xtraverts += 12*6*2;
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if(p->size>p->max)
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{
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*pp = p->next;
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p->next = sempty;
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sempty = p;
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}
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else
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{
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p->size += time/100.0f;
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pp = &p->next;
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};
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};
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glDisable(GL_BLEND);
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glDepthMask(GL_TRUE);
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};
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string closeent;
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char *entnames[] =
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{
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"none?", "light", "playerstart",
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"shells", "bullets", "rockets", "riflerounds",
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"health", "healthboost", "greenarmour", "yellowarmour", "quaddamage",
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"teleport", "teledest",
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"mapmodel", "monster", "trigger", "jumppad",
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"?", "?", "?", "?", "?",
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};
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void renderents() // show sparkly thingies for map entities in edit mode
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{
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closeent[0] = 0;
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if(!editmode) return;
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loopv(ents)
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{
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entity &e = ents[i];
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if(e.type==NOTUSED) continue;
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vec v = { e.x, e.y, e.z };
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particle_splash(2, 2, 40, v);
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};
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int e = closestent();
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if(e>=0)
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{
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entity &c = ents[e];
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sprintf_s(closeent)("closest entity = %s (%d, %d, %d, %d), selection = (%d, %d)", entnames[c.type], c.attr1, c.attr2, c.attr3, c.attr4, getvar("selxs"), getvar("selys"));
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};
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};
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void loadsky(char *basename)
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{
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static string lastsky = "";
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if(strcmp(lastsky, basename)==0) return;
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char *side[] = { "ft", "bk", "lf", "rt", "dn", "up" };
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int texnum = 14;
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loopi(6)
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{
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sprintf_sd(name)("packages/%s_%s.jpg", basename, side[i]);
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int xs, ys;
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if(!installtex(texnum+i, path(name), xs, ys, true)) conoutf("could not load sky textures");
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};
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strcpy_s(lastsky, basename);
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};
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COMMAND(loadsky, ARG_1STR);
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float cursordepth = 0.9f;
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GLint viewport[4];
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GLdouble mm[16], pm[16];
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vec worldpos;
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void readmatrices()
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{
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glGetIntegerv(GL_VIEWPORT, viewport);
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glGetDoublev(GL_MODELVIEW_MATRIX, mm);
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glGetDoublev(GL_PROJECTION_MATRIX, pm);
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};
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// stupid function to cater for stupid ATI linux drivers that return incorrect depth values
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float depthcorrect(float d)
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{
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return (d<=1/256.0f) ? d*256 : d;
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};
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// find out the 3d target of the crosshair in the world easily and very acurately.
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// sadly many very old cards and drivers appear to fuck up on glReadPixels() and give false
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// coordinates, making shooting and such impossible.
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// also hits map entities which is unwanted.
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// could be replaced by a more acurate version of monster.cpp los() if needed
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void readdepth(int w, int h)
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{
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glReadPixels(w/2, h/2, 1, 1, GL_DEPTH_COMPONENT, GL_FLOAT, &cursordepth);
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double worldx = 0, worldy = 0, worldz = 0;
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gluUnProject(w/2, h/2, depthcorrect(cursordepth), mm, pm, viewport, &worldx, &worldz, &worldy);
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worldpos.x = (float)worldx;
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worldpos.y = (float)worldy;
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worldpos.z = (float)worldz;
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vec r = { (float)mm[0], (float)mm[4], (float)mm[8] };
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vec u = { (float)mm[1], (float)mm[5], (float)mm[9] };
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setorient(r, u);
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};
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void drawicon(float tx, float ty, int x, int y)
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{
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glBindTexture(GL_TEXTURE_2D, 5);
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glBegin(GL_QUADS);
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tx /= 192;
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ty /= 192;
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float o = 1/3.0f;
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int s = 120;
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glTexCoord2f(tx, ty); glVertex2i(x, y);
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glTexCoord2f(tx+o, ty); glVertex2i(x+s, y);
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glTexCoord2f(tx+o, ty+o); glVertex2i(x+s, y+s);
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glTexCoord2f(tx, ty+o); glVertex2i(x, y+s);
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glEnd();
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xtraverts += 4;
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};
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void invertperspective()
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{
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// This only generates a valid inverse matrix for matrices generated by gluPerspective()
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GLdouble inv[16];
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memset(inv, 0, sizeof(inv));
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inv[0*4+0] = 1.0/pm[0*4+0];
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inv[1*4+1] = 1.0/pm[1*4+1];
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inv[2*4+3] = 1.0/pm[3*4+2];
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inv[3*4+2] = -1.0;
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inv[3*4+3] = pm[2*4+2]/pm[3*4+2];
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glLoadMatrixd(inv);
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};
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VARP(crosshairsize, 0, 15, 50);
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int dblend = 0;
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void damageblend(int n) { dblend += n; };
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VAR(hidestats, 0, 0, 1);
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VARP(crosshairfx, 0, 1, 1);
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void gl_drawhud(int w, int h, int curfps, int nquads, int curvert, bool underwater)
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{
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readmatrices();
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if(editmode)
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{
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if(cursordepth==1.0f) worldpos = player1->o;
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glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
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cursorupdate();
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glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
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};
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glDisable(GL_DEPTH_TEST);
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invertperspective();
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glPushMatrix();
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glOrtho(0, VIRTW, VIRTH, 0, -1, 1);
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glEnable(GL_BLEND);
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glDepthMask(GL_FALSE);
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if(dblend || underwater)
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{
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glBlendFunc(GL_ZERO, GL_ONE_MINUS_SRC_COLOR);
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glBegin(GL_QUADS);
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if(dblend) glColor3d(0.0f, 0.9f, 0.9f);
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else glColor3d(0.9f, 0.5f, 0.0f);
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glVertex2i(0, 0);
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glVertex2i(VIRTW, 0);
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glVertex2i(VIRTW, VIRTH);
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glVertex2i(0, VIRTH);
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glEnd();
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dblend -= curtime/3;
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if(dblend<0) dblend = 0;
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};
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glEnable(GL_TEXTURE_2D);
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char *command = getcurcommand();
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char *player = playerincrosshair();
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if(command) draw_textf("> %s_", 20, 1570, 2, command);
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else if(closeent[0]) draw_text(closeent, 20, 1570, 2);
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else if(player) draw_text(player, 20, 1570, 2);
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renderscores();
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if(!rendermenu())
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{
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glBlendFunc(GL_SRC_ALPHA, GL_SRC_ALPHA);
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glBindTexture(GL_TEXTURE_2D, 1);
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glBegin(GL_QUADS);
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glColor3ub(255,255,255);
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if(crosshairfx)
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{
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if(player1->gunwait) glColor3ub(128,128,128);
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else if(player1->health<=25) glColor3ub(255,0,0);
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else if(player1->health<=50) glColor3ub(255,128,0);
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};
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float chsize = (float)crosshairsize;
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glTexCoord2d(0.0, 0.0); glVertex2f(VIRTW/2 - chsize, VIRTH/2 - chsize);
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glTexCoord2d(1.0, 0.0); glVertex2f(VIRTW/2 + chsize, VIRTH/2 - chsize);
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glTexCoord2d(1.0, 1.0); glVertex2f(VIRTW/2 + chsize, VIRTH/2 + chsize);
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glTexCoord2d(0.0, 1.0); glVertex2f(VIRTW/2 - chsize, VIRTH/2 + chsize);
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glEnd();
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};
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glPopMatrix();
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glPushMatrix();
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glOrtho(0, VIRTW*4/3, VIRTH*4/3, 0, -1, 1);
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renderconsole();
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if(!hidestats)
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{
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glPopMatrix();
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glPushMatrix();
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glOrtho(0, VIRTW*3/2, VIRTH*3/2, 0, -1, 1);
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draw_textf("fps %d", 3200, 2390, 2, curfps);
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draw_textf("wqd %d", 3200, 2460, 2, nquads);
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draw_textf("wvt %d", 3200, 2530, 2, curvert);
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draw_textf("evt %d", 3200, 2600, 2, xtraverts);
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};
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glPopMatrix();
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if(player1->state==CS_ALIVE)
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{
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glPushMatrix();
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glOrtho(0, VIRTW/2, VIRTH/2, 0, -1, 1);
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draw_textf("%d", 90, 827, 2, player1->health);
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if(player1->armour) draw_textf("%d", 390, 827, 2, player1->armour);
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draw_textf("%d", 690, 827, 2, player1->ammo[player1->gunselect]);
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glPopMatrix();
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glPushMatrix();
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glOrtho(0, VIRTW, VIRTH, 0, -1, 1);
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glDisable(GL_BLEND);
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drawicon(128, 128, 20, 1650);
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if(player1->armour) drawicon((float)(player1->armourtype*64), 0, 620, 1650);
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int g = player1->gunselect;
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int r = 64;
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if(g>2) { g -= 3; r = 128; };
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drawicon((float)(g*64), (float)r, 1220, 1650);
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glPopMatrix();
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};
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glDepthMask(GL_TRUE);
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glDisable(GL_BLEND);
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glDisable(GL_TEXTURE_2D);
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glEnable(GL_DEPTH_TEST);
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};
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