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authorepoch <epoch@hacking.allowed.org>2017-03-19 04:51:01 -0500
committerepoch <epoch@hacking.allowed.org>2017-03-19 04:51:01 -0500
commit781ecd6529505e4bf1fd400634ee83bcb9a07c81 (patch)
treea5f51756d54dff5ebb47f5435198e1db15ce345d /src/graphics_x11.c
parent17347b2e23292aad11c879d3df4a0e73c31e2ae8 (diff)
downloadhackvr-781ecd6529505e4bf1fd400634ee83bcb9a07c81.tar.gz
hackvr-781ecd6529505e4bf1fd400634ee83bcb9a07c81.zip
I have no idea why I am doing this...
Diffstat (limited to 'src/graphics_x11.c')
-rw-r--r--src/graphics_x11.c461
1 files changed, 0 insertions, 461 deletions
diff --git a/src/graphics_x11.c b/src/graphics_x11.c
deleted file mode 100644
index 31a78e4..0000000
--- a/src/graphics_x11.c
+++ /dev/null
@@ -1,461 +0,0 @@
-#define _POSIX_C_SOURCE 200809L //for fileno and strdup
-#define _BSD_SOURCE
-#include <stdio.h>
-#include <string.h>
-#include <fcntl.h>
-#include <assert.h>
-#include <unistd.h>
-#include <dirent.h>
-#include <stdlib.h>
-//#include <sys/select.h> //code to use select instead of non-blocking is commented out. might decide to use it later.
-#include <X11/Xlib.h>
-#include <X11/keysym.h>
-#include <X11/cursorfont.h>
-#include <X11/Xutil.h> //for size hints
-#include <time.h>
-#define __USE_GNU //for longer math constants
-#include <math.h>
-
-#include "config.h"
-#include "common.h"
-#include "graphics.h"
-#include "graphics_x11.h"
-#include "graphics_backend.h"
-
-//typedef float real; //think this conflicts?
-
-//TODO: will have to make some pixmaps get resized when the window does.
-//for now set them to be as big as you think you'll ever resize the window to.
-
-//#define SKYRULE 90
-//#define SKYW (WIDTH*5)
-//#define SKYH (HEIGHT/2)
-
-//Pixmap skypixmap;
-//char sky[SKYH][SKYW];
-
-extern struct global global;
-extern struct gra_global gra_global;
-struct x11_global x11_global;
-
-#ifdef GRAPHICAL
-
-/*
-struct plane {
- c3_t p;
- real xr;
- real yr;
- real zr;
-}
-
-void calculate_shape_color(c3_s_t s,real d) {
-//given: at least 3 points on a plane.
-//needed: angles of the plane.
-//
- xa=
- ya=
- za=
- for(i=0;i<;i++) {
- s.p.x
- }
-}
-*/
-void set_color_based_on_distance(real d) {
- int i=100-((int)((d+100.0) * 16.0) % 100);
- XSetForeground(x11_global.dpy,x11_global.backgc,x11_global.colors[i].pixel);
-}
-
-void draw_cs_line(cs_t p1,cs_t p2) {
- XDrawLine(x11_global.dpy,x11_global.backbuffer,x11_global.backgc,p1.x,p1.y,p2.x,p2.y);
-}
-
-void draw_cs_text(cs_t p,char *text) {
- char t[256];
- int direction,ascent,descent;
- XFontStruct *font=XLoadQueryFont(x11_global.dpy,"fixed");
- XCharStruct overall;
- snprintf(t,sizeof(t)-1,"%s",text);
- XTextExtents(font,text,strlen(text),&direction,&ascent,&descent,&overall);
- XDrawString(x11_global.dpy,x11_global.backbuffer,x11_global.backgc,p.x,p.y+(descent+ascent),text,strlen(text));
-}
-
-void draw_cs_shape(cs_s_t s) {//this is implemented as draw_cs_line... hrm. it could be moved up to graphics.c? probl no.
- int h;
- int i;//all cs shapes can have 1, 2, or 3+ points. guess I gotta do that logic here too.
- switch(s.len) {
- case 1:
- //cicle
- h=max(s.p[0].y,s.p[1].y)-min(s.p[0].y,s.p[1].y);
- XDrawArc(x11_global.dpy,x11_global.backbuffer,x11_global.backgc,s.p[0].x-h,s.p[0].y-h,h*2,h*2,0,360*64);
- break;
- default:
- for(i=0;i<s.len+(s.len==1);i++) {//this shape is closed!
- draw_cs_line(s.p[i],s.p[(i+1)%(s.len+(s.len==1))]);
- }
- break;
- }
-}
-
-void draw_cs_filled_shape(cs_s_t s) {
- int h;
- int i;
- XPoint Xp[s.len+(s.len==1)];
- for(i=0;i<s.len+(s.len==1);i++) {
- Xp[i]=(XPoint){s.p[i].x,s.p[i].y};
- }
- switch(s.len) {
- case 1:
- h=max(s.p[0].y,s.p[1].y)-min(s.p[0].y,s.p[1].y);
- XFillArc(x11_global.dpy,x11_global.backbuffer,x11_global.backgc,s.p[0].x-h,s.p[0].y-h,h*2,h*2,0,360*64);
- break;
- default:
- XFillPolygon(x11_global.dpy,x11_global.backbuffer,x11_global.backgc,Xp,s.len,Convex,CoordModeOrigin);
- break;
- }
-}
-
-//should I do clipping in each graphics lib or make graphics.c just have clipping stuff?
-void clear_backbuffer() {
- XCopyArea(x11_global.dpy,x11_global.cleanbackbuffer,x11_global.backbuffer,x11_global.gc,0,0,gra_global.width,gra_global.height,0,0);
-}
-
-void set_clipping_rectangle(int x,int y,int width,int height) {
- XRectangle cliprect;
- cliprect.x=0;
- cliprect.y=0;
- cliprect.width=width;
- cliprect.height=height;
- XSetClipRectangles(x11_global.dpy,x11_global.backgc,x,y,&cliprect,1,Unsorted);
-}
-
-void red_and_blue_magic() {
- XGCValues gcval;
- gcval.function=GXor;
- XChangeGC(x11_global.dpy,x11_global.backgc,GCFunction,&gcval);
-}
-
-//void draw_sky() {
-// XCopyArea(x11_global.dpy,skypixmap,x11_global.backbuffer,x11_global.backgc,((camera.yr.d*5)+SKYW)%SKYW,0,WIDTH,gra_global.height/2,0,0);
-//}
-
-void set_color() {
- XSetForeground(x11_global.dpy,x11_global.backgc,x11_global.green.pixel);
-}
-
-void set_color_red() {
- XSetForeground(x11_global.dpy,x11_global.backgc,x11_global.red.pixel);
-}
-
-void set_color_blue() {
- XSetForeground(x11_global.dpy,x11_global.backgc,x11_global.blue.pixel);
-}
-
-void flipscreen() {
- XCopyArea(x11_global.dpy,x11_global.backbuffer,x11_global.w,x11_global.gc,0,0,gra_global.width,gra_global.height,0,0);
-}
-
-void set_aspect_ratio() {
- XSizeHints *hints=XAllocSizeHints();
- hints->min_aspect.x=AR_W*(gra_global.split_screen / (gra_global.red_and_blue ? gra_global.split_screen : 1));
- hints->min_aspect.y=AR_H;
- hints->max_aspect.x=AR_W*(gra_global.split_screen / (gra_global.red_and_blue ? gra_global.split_screen : 1));
- hints->max_aspect.y=AR_H;
- hints->flags=PAspect;
- XSetWMNormalHints(x11_global.dpy,x11_global.w,hints);
-}
-
-int keypress_handler(int sym) {
- char line[1024];
- radians tmprad;
- radians tmprad2;
- real tmpx;
-// real tmpy; //unused atm
- real tmpz;
- switch(sym) {
- case XK_Return:
- snprintf(line,sizeof(line)-1,"%s action %s\n",global.user,global.selected_object);
- selfcommand(line);
- break;
- case XK_Up:
- tmprad=d2r((degrees){camera.r.y.d+90});
- tmprad2=d2r((degrees){camera.r.y.d+90});
- tmpx=WALK_SPEED*sinl(tmprad.r);
- tmpz=WALK_SPEED*cosl(tmprad2.r);
- camera.p.x+=tmpx;
- camera.p.z+=tmpz;
- snprintf(line,sizeof(line)-1,"%s move %Lf 0 %Lf 0 0 0 0 0 0\n",global.user,tmpx,tmpz);
- selfcommand(line);
- break;
- case XK_Down:
- tmprad=d2r((degrees){camera.r.y.d+270});
- tmprad2=d2r((degrees){camera.r.y.d+270});
- tmpx=WALK_SPEED*sinl(tmprad.r);
- tmpz=WALK_SPEED*cosl(tmprad2.r);
- camera.p.x+=tmpx;
- camera.p.z+=tmpz;
- snprintf(line,sizeof(line)-1,"%s move %Lf 0 %Lf 0 0 0 0 0 0\n",global.user,tmpx,tmpz);
- selfcommand(line);
- break;
- case XK_Left:
- tmprad=d2r(camera.r.y);
- tmprad2=d2r(camera.r.y);
- tmpx=WALK_SPEED*sinl(tmprad.r);
- tmpz=WALK_SPEED*cosl(tmprad2.r);
- camera.p.x+=tmpx;
- camera.p.z+=tmpz;
- snprintf(line,sizeof(line)-1,"%s move %Lf 0 %Lf 0 0 0 0 0 0\n",global.user,tmpx,tmpz);
- selfcommand(line);
- break;
- case XK_Right:
- tmprad=d2r((degrees){camera.r.y.d+180});
- tmprad2=d2r((degrees){camera.r.y.d+180});
- tmpx=WALK_SPEED*sinl(tmprad.r);
- tmpz=WALK_SPEED*cosl(tmprad2.r);
- camera.p.x+=tmpx;
- camera.p.z+=tmpz;
- snprintf(line,sizeof(line)-1,"%s move %Lf 0 %Lf 0 0 0 0 0 0\n",global.user,tmpx,tmpz);
- selfcommand(line);
- break;
- case XK_w:
- camera.p.y+=1;
- snprintf(line,sizeof(line)-1,"%s move 0 1 0 0 0 0 0 0 0\n",global.user);
- selfcommand(line);
- break;
- case XK_s:
- camera.p.y-=1;
- snprintf(line,sizeof(line)-1,"%s move 0 -1 0 0 0 0 0 0 0\n",global.user);
- selfcommand(line);
- break;
- case XK_r:
- camera.r.x.d+=5;
- while(camera.r.x.d > 360) camera.r.x.d-=360;
- break;
- case XK_y:
- camera.r.x.d-=5;
- while(camera.r.x.d < 0) camera.r.x.d+=360;
- break;
- case XK_q:
- camera.r.y.d+=5;
- while(camera.r.y.d > 360) camera.r.y.d-=360;
- break;
- case XK_e:
- camera.r.y.d-=5;
- while(camera.r.y.d < 0) camera.r.y.d+=360;
- break;
- case XK_u:
- camera.r.z.d+=5;
- while(camera.r.z.d > 360) camera.r.z.d-=360;
- break;
- case XK_o:
- camera.r.z.d-=5;
- while(camera.r.z.d < 0) camera.r.z.d+=360;
- break;
- case XK_p:
- gra_global.split+=.1;
- break;
- case XK_l:
- gra_global.split-=.1;
- break;
- case XK_z: camera.zoom+=1; break;
- case XK_x: camera.zoom-=1; break;
- case XK_c: global.mmz*=1.1; break;
- case XK_v: global.mmz/=1.1; break;
- case XK_h: global.split+=1; break;
- case XK_j: global.split-=1; break;
- case XK_d:
- global.debug ^= 1;
- break;
- case XK_f:
- global.derp ^= 1;
- break;
- case XK_m:
- gra_global.drawminimap += 1;
- gra_global.drawminimap %= 4;
- break;
- case XK_a:
- gra_global.drawsky ^= 1;
- break;
- case XK_3:
- gra_global.draw3d += 1;
- gra_global.draw3d %= 4;
- break;
- case XK_Escape:
- return -1;
- default:
- return 0;
- break;
- }
- return 1;
-}
-#endif
-
-int graphics_init() {
- int i;
- char tmp[64];
- Cursor cursor;
- XSetWindowAttributes attributes;
-// Window root,child;//why do I have this?
-// XColor toss;
- printf("# Opening X Display... (%s)\n",getenv("DISPLAY"));
- if((x11_global.dpy = XOpenDisplay(0)) == NULL) {
- printf("# failure.\n");
- exit(1);
- }
- else printf("# done.\n");
- x11_global.color_map=DefaultColormap(x11_global.dpy, DefaultScreen(x11_global.dpy));
- printf("# generating grays...\n");
- for(i=0;i<=100;i++) {
- snprintf(tmp,sizeof(tmp),"gray%d",i);
- XAllocNamedColor(x11_global.dpy,x11_global.color_map,tmp,&x11_global.colors[i],&x11_global.colors[i]);
- }
- printf("# done.\n");
- assert(x11_global.dpy);
- gra_global.split_screen=SPLIT_SCREEN;
- gra_global.split_flip=-1;
- gra_global.split=CAMERA_SEPARATION;
- x11_global.root_window=0;
- gra_global.red_and_blue=RED_AND_BLUE;
- //global.colors[0]=BlackPixel(x11_global.dpy,DefaultScreen(x11_global.dpy));
-// int whiteColor = //WhitePixel(x11_global.dpy, DefaultScreen(x11_global.dpy));
- attributes.background_pixel=x11_global.colors[0].pixel;
- if(x11_global.root_window) {
- x11_global.w = DefaultRootWindow(x11_global.dpy); //this is still buggy.
- } else {
- x11_global.w = XCreateWindow(x11_global.dpy,DefaultRootWindow(x11_global.dpy),0,0,WIDTH*(gra_global.split_screen / (gra_global.red_and_blue ? gra_global.split_screen : 1)),HEIGHT,1,DefaultDepth(x11_global.dpy,DefaultScreen(x11_global.dpy)),InputOutput,DefaultVisual(x11_global.dpy,DefaultScreen(x11_global.dpy))\
- ,CWBackPixel, &attributes);
- set_aspect_ratio();
- XSelectInput(x11_global.dpy, x11_global.w, PointerMotionMask|StructureNotifyMask|ButtonPressMask|ButtonReleaseMask|KeyPressMask|ExposureMask);
- }
- XMapWindow(x11_global.dpy,x11_global.w);
- XStoreName(x11_global.dpy,x11_global.w,"hackvr");
- gra_global.greyscale=1;
- gra_global.zsort=1;
- global.shape[0]=0;//we'll allocate as we need more.
- x11_global.gc=XCreateGC(x11_global.dpy,x11_global.w, 0, 0);
-
- if(gra_global.red_and_blue) {
- gra_global.width=WIDTH;
- } else {
- gra_global.width=WIDTH*gra_global.split_screen;
- }
- gra_global.height=HEIGHT;
-
- x11_global.backbuffer=XCreatePixmap(x11_global.dpy,x11_global.w,gra_global.width,gra_global.height,DefaultDepth(x11_global.dpy,DefaultScreen(x11_global.dpy)));
- x11_global.cleanbackbuffer=XCreatePixmap(x11_global.dpy,x11_global.w,gra_global.width,gra_global.height,DefaultDepth(x11_global.dpy,DefaultScreen(x11_global.dpy)));
-
-//backbuffer is uninitialized
- x11_global.backgc=XCreateGC(x11_global.dpy,x11_global.backbuffer,0,0);
-
- cursor=XCreateFontCursor(x11_global.dpy,XC_crosshair);
- XDefineCursor(x11_global.dpy, x11_global.w, cursor);
-
- XAllocNamedColor(x11_global.dpy, x11_global.color_map, "green", &x11_global.green, &x11_global.green);
- XAllocNamedColor(x11_global.dpy, x11_global.color_map, "red", &x11_global.red, &x11_global.red);
- XAllocNamedColor(x11_global.dpy, x11_global.color_map, "blue", &x11_global.blue, &x11_global.blue);
- XAllocNamedColor(x11_global.dpy, x11_global.color_map, "red", &x11_global.redblue[0], &x11_global.redblue[0]);
- XAllocNamedColor(x11_global.dpy, x11_global.color_map, "blue", &x11_global.redblue[1], &x11_global.redblue[1]);
- XSetForeground(x11_global.dpy, x11_global.gc, x11_global.green.pixel);
- XSetForeground(x11_global.dpy, x11_global.backgc, x11_global.colors[0].pixel);//black. we're about to draw the blank background using this.
- XSetBackground(x11_global.dpy, x11_global.gc, x11_global.colors[160].pixel);
- XSetBackground(x11_global.dpy, x11_global.backgc, x11_global.colors[140].pixel);
-
- XFillRectangle(x11_global.dpy, x11_global.cleanbackbuffer,x11_global.backgc,0,0,gra_global.width,gra_global.height);
- XSetForeground(x11_global.dpy, x11_global.backgc,x11_global.green.pixel);
-
-// XSetForeground(x11_global.dpy, gc, whiteColor);
-// this was taking a "long" time.
-/*
- printf("# generating sky... ");
- skypixmap=XCreatePixmap(x11_global.dpy,x11_global.w,SKYW,SKYH,DefaultDepth(x11_global.dpy,DefaultScreen(x11_global.dpy)));
- for(i=0;i<SKYH;i++) {
- for(j=0;j<SKYW;j++) {
- if(i==0) sky[i][j]=rand()%2;
- else {
- sky[i][j]=(SKYRULE >> ((!!sky[i-1][(j+(SKYW)-1)%(SKYW)]<<2) | (!!sky[i-1][j]<<1) | (!!sky[i-1][j+1%(SKYW)])) & 1);
- if(sky[i][j]) {
- XDrawPoint(x11_global.dpy,skypixmap,x11_global.backgc,j,i);
- }
- }
- }
- }
- printf("done.\n");
-*/
- gra_global.mapxoff=gra_global.width/2;
- gra_global.mapyoff=gra_global.height/2;
- gra_global.drawminimap=DEFAULT_MINIMAP;
- gra_global.draw3d=1;
- gra_global.force_redraw=FORCE_REDRAW;//use this for checking proper fps I guess.
-
-//this should be in graphics.c ?
- camera.zoom=30.0l;
- camera.r.x.d=270;
- camera.r.y.d=90;
- camera.r.z.d=0;
- global.mmz=1;
- camera.p.x=0;
- camera.p.z=-6;
- camera.p.y=5;
- return 0;
-}
-
-int graphics_event_handler() {
- int redraw=0;
- XEvent e;
- Window child,root;
- //what sets mask?
- unsigned int mask;
- while(XPending(x11_global.dpy)) {//these are taking too long?
- XNextEvent(x11_global.dpy, &e);
-// printf("# handling event with type: %d\n",e.type);
- switch(e.type) {
-// case Expose:
-// if(e.xexpose.count == 0) redraw=1;
-// break;
- case MotionNotify:
- if(global.debug >= 2) printf("# MotionNotify\n");
- XQueryPointer(x11_global.dpy,x11_global.w,&root,&child,&gra_global.rmousex,&gra_global.rmousey,&gra_global.mousex,&gra_global.mousey,&mask);
- redraw=1;
- break;
- case ButtonPress:
- if(global.debug >= 2) printf("# ButtonPress\n");
- redraw=1;
- gra_global.buttonpressed=e.xbutton.button;//what's this for? mouse?
- break;
- case ButtonRelease:
- if(global.debug >= 2) printf("# ButtonRelease\n");
- redraw=1;
- gra_global.buttonpressed=0;//what's this for???
- break;
- case ConfigureNotify:
- if(global.debug >= 2) printf("# ConfigureNotify\n");
- redraw=1;
- XGetGeometry(x11_global.dpy,x11_global.w,&root,&global.x,&global.y,&gra_global.width,&gra_global.height,&gra_global.border_width,&gra_global.depth);
- if(gra_global.height * AR_W / AR_H != gra_global.width / (gra_global.split_screen / (gra_global.red_and_blue ? gra_global.split_screen : 1))) {
- // height / AR_H * AR_W = width / (ss / (rab ? ss : 1))
- if(global.debug >= 2) {
- printf("# %d != %d for some reason. probably your WM not respecting aspect ratio hints or calculating based on them differently. (would cause an off-by-one or so)\n",gra_global.height * AR_W / AR_H , gra_global.width / (gra_global.split_screen / (gra_global.red_and_blue ? gra_global.split_screen : 1)));
- }
- if(gra_global.width / (gra_global.red_and_blue ? 1 : gra_global.split_screen) * AR_H / AR_W < gra_global.height) {
- gra_global.height=gra_global.width / (gra_global.red_and_blue ? 1 : gra_global.split_screen) * AR_H / AR_W;
- } else {
- gra_global.width=gra_global.height * AR_W / AR_H * (gra_global.red_and_blue ? 1 : gra_global.split_screen);
- }
- }
- gra_global.mapxoff=gra_global.width/(gra_global.split_screen / (gra_global.red_and_blue ? gra_global.split_screen : 1))/2;
- gra_global.mapyoff=gra_global.height/2;
- break;
- case KeyPress:
- if(global.debug >= 2) printf("# KeyPress\n");
- redraw=1;
- if(keypress_handler(XLookupKeysym(&e.xkey,0)) == -1) {
- printf("# exiting\n");
- return -1;
- }
- break;
- default:
-// printf("# received unknown event with type: %d\n",e.type);
- break;
- }
- }
- return redraw;
-}