diff options
Diffstat (limited to 'src/x11.c')
-rw-r--r-- | src/x11.c | 1065 |
1 files changed, 0 insertions, 1065 deletions
diff --git a/src/x11.c b/src/x11.c deleted file mode 100644 index fc8bf24..0000000 --- a/src/x11.c +++ /dev/null @@ -1,1065 +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> - -//TODO: optimizations -//TODO: store caches of cs_t, c2_t, and c3_t numbers. -//TODO: don't forget to remake gophervr with this. -//TODO: XSegment or line structs to store some shit? -//TODO: line and triangle intersection for finding what object was clicked on -//if I don't do hiliting I only need to calculate that upon click. - -#define WALK_SPEED 1 -#define SPLIT_SCREEN 1 -#define CAMERA_SEPARATION 4 -#define RED_AND_BLUE 0 - -#define SHAPES 16386 -#define MAX_SIDES 8 - -#define min(a,b) (((a)<(b))?(a):(b)) -#define max(a,b) (((a)>(b))?(a):(b)) - -typedef double long real; //think this conflicts? -//typedef float real; //think this conflicts? - -typedef struct { - real x; - real y; - real z; -} c3_t; - -typedef struct { - real x; - real y; -} c2_t; - -typedef struct { //same as XPoint, just use that? nah... - short x; - short y; -} cs_t; - -//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 WIDTH 1024 -#define HEIGHT 768 - -#define SKYRULE 90 -#define SKYW (WIDTH*5) -#define SKYH (HEIGHT/2) - -Pixmap skypixmap; -char sky[SKYH][SKYW]; - -struct object_1 { - int type; - unsigned char x; - unsigned char y; - unsigned char z; -}; - -struct object_2 { - int type; - unsigned short x; - unsigned short y; - unsigned short z; -}; - -struct object_4 { - int type; - unsigned int x; - unsigned int y; - unsigned int z; -}; - -struct camera { - c3_t p; - int xr;//rotations - int yr; - int zr; - real zoom; -} camera; - -struct c3_line { - char *id; - c3_t p1; - c3_t p2; -}; - -struct c3_shape {//use array or linked list? - char *id; - unsigned char len; - c3_t p[MAX_SIDES]; -}; - -struct mainwin { - int x; - int y; - unsigned int depth; - int mousex; - int mousey; - int rmousex; - int rmousey; - int buttonpressed; - unsigned int width; - unsigned int height; - unsigned int border_width; - XColor colors[256]; - int xoff; - int math_error; - int mapxoff; - int mapyoff; - int split_screen; - int split_flip;//1 or -1 - char *user; - char greyscale; - char headless; - char drawminimap;//flag - char draw3d;//flag - char debug;//flag - char drawsky;//flag - char zsort; - char red_and_blue; - char force_redraw; - char selected_object[256];//meh - real mmz; - XColor green; - XColor red; - XColor blue; - XColor redblue[2]; - Colormap color_map; - Display *dpy; - Window w; - Pixmap backbuffer; - Pixmap cleanbackbuffer; - GC gc; - GC backgc; - struct c3_shape *shape[SHAPES]; - int shapes; - int derp; - int root_window; - real split; - int oldtime; - int oldfps; - int fps; -} global; - -#ifdef GRAPHICAL - -//used to figure out what c2 values are associated with each edge of the window. -//#define TOP 160.0 -//#define BOTTOM -160.0 -#define TOP 240.0 -#define BOTTOM -240.0 -#define RIGHT 320.0 -#define LEFT -320.0 - -int c2sX(long double x) { return (global.width/(global.split_screen / (global.red_and_blue ? global.split_screen: 1))) * ((x + RIGHT) / (RIGHT *2)) + global.xoff; } -int s2cX(long double x) { return (x/(global.width/(global.split_screen / (global.red_and_blue?global.split_screen :1))))*(RIGHT*2)-RIGHT; } - -int c2sY(long double y) { return global.height * ((TOP-y) / (TOP*2)); } -int s2cY(long double y) { return -((y/global.height) * (TOP*2) - TOP); } - -cs_t c2_to_cs(c2_t p) { - return (cs_t){c2sX(p.x),c2sY(p.y)}; -} -c2_t cs_to_c2(cs_t p) { - return (c2_t){s2cX(p.x),s2cY(p.y)}; -} - -long double distance2(c2_t p1,c2_t p2) { - return sqrtl(( (p1.x-p2.x)*(p1.x-p2.x) )+( (p1.y-p2.y)*(p1.y-p2.y) )); -} - -long double distance3(c3_t p1,c3_t p2) { - return sqrtl(( (p1.x-p2.x)*(p1.x-p2.x) )+( (p1.y-p2.y)*(p1.y-p2.y) )+( (p1.z-p2.z)*(p1.z-p2.z) )); -} - -long double points_to_angle(c2_t p1,c2_t p2) { - long double a=atan2l(p2.y-p1.y,p2.x-p1.x); - return a>=0?a:M_PIl+M_PIl+a; -} - -long double d2r(int d) { - while(d<0) d+=360; - return (long double)(d%360) / (long double)180 * M_PIl; -} -int r2d(real r) { - return r / M_PIl * 180; -} - -int between_angles(real angle,real lower,real upper) { - //lower may be higher than upper. - //because lower is < 0 which wraps to higher. lower is 270, upper is 90. 270-90 is in front. - if(lower > upper) { - if(angle > lower) return 1; - if(angle < upper) return 1; - } - if(upper > lower) { - if(angle > lower && angle < upper) return 1; - } - return 0; -} - -/* -B (x2,y2) - |-. c -a| '-. - | '-. - '--------~ -C b A (x1,y1) -*/ - -//I'll need this for collision I guess. - -/* - -//use this for finding a line that intersects with what the camera is pointing at -c2_t get_c2_intersection(c2_t p1,real theta,c2_t p2) { - real c; - c=distance2(p1,p2); - theta_a=C A B - b = (c/1) * (theta_a + theta_offset) -} - -int get_2D_intersection_X(x1,y1,theta_offset,x2,y2) { - int x3a,y3a,x3b,y3b; - int a,b,c;//lenght of sides. - int theta_a,theta_b,theta_c;//angles opposite of same named sides. - - //get angle C A B - theta_a= -// x1,y1,x2,y2 - -//what are these d1 and d2? - if(d1==d2) return global.math_error=1; - c=dist(x1,y1,x2,y2); - b = (c/1) * (theta_a + theta_offset); - a = (c/1) * (theta_b + theta_offset); - - x3b=sin(theta_a) * b; - y3b=cos(theta_a) * b; - x3a=sin(theta_a) * a; - y3a=cos(theta_a) * a; - printf("x: %d %d\nx: %d %d\n",x3a,y3a,x3b,y3b); -} - -int get_2D_intersection_Y(x,y,d,x,z,d) { - int x3a,y3a,x3b,y3b; - int a,b,c;//lenght of sides. - int theta_a,theta_b,theta_c;//angles opposite of same named sides. - - //get angle from A to B. - x1,y1,x2,y2 - - if(d1==d2) return global.math_error=1; - c=dist(x1,y1,x2,y2); - b = (c/1) * theta_a; - a = (c/1) * theta_b; - - x3b=sin(a) * b; - y3b=cos(a) * b; - x3a=sin(a) * a; - y3a=cos(a) * a; - printf("y: %d %d\ny: %d %d\n",x3a,y3a,x3b,y3b); -} -*/ - -void draw_cs_line(cs_t p1,cs_t p2) { - XDrawLine(global.dpy,global.backbuffer,global.backgc,p1.x,p1.y,p2.x,p2.y); -} - -void draw_c2_line(c2_t p1,c2_t p2) { - draw_cs_line(c2_to_cs(p1),c2_to_cs(p2)); -} - -#define MAGIC(x) (1.0l-(1.0l/powl(1.01l,(x)))) //??? might want to have some changables in here - -real magic(real x) { - return MAGIC(x); -} - -void draw_graph(real (*fun)(real x)) { - c2_t pa; - draw_c2_line((c2_t){LEFT,0},(c2_t){RIGHT,0}); - draw_c2_line((c2_t){0,TOP},(c2_t){0,BOTTOM}); - for(pa.x=LEFT;pa.x<RIGHT;pa.x+=5.0) { - draw_c2_line((c2_t){pa.x,2.0},(c2_t){pa.x,-2.0}); - } - for(pa.y=BOTTOM;pa.y<TOP;pa.y+=5.0) { - draw_c2_line((c2_t){-2.0,pa.y},(c2_t){2.0,pa.y}); - } - for(pa.x=LEFT;pa.x<RIGHT;pa.x+=1.0) { - draw_c2_line((c2_t){pa.x,fun(pa.x)},(c2_t){pa.x+1.0,fun(pa.x+1.0)}); - } -} - -c2_t rotate_c2(c2_t p1,c2_t p2,real dr) { - c2_t p3; - real d=distance2(p1,p2); - real r=points_to_angle(p1,p2); - r=r+dr; - p3.x=(sinl(r) * d) + p2.x; - p3.y=(cosl(r) * d) + p2.y; - return p3; -} - -c3_t rotate_c3_xr(c3_t p1,c3_t p2,real xr) {//rotate y and z around camera based on xr (looking up and down) - c2_t tmp; - tmp=rotate_c2((c2_t){p1.y,p1.z},(c2_t){p2.y,p2.z},xr); - return (c3_t){p1.x,tmp.x,tmp.y}; -} -c3_t rotate_c3_yr(c3_t p1,c3_t p2,real yr) {//rotate x and z around camera based on yr (looking left and right) - c2_t tmp; - tmp=rotate_c2((c2_t){p1.x,p1.z},(c2_t){p2.x,p2.z},yr); - return (c3_t){tmp.x,p1.y,tmp.y}; -} -c3_t rotate_c3_zr(c3_t p1,c3_t p2,real zr) {//rotate x and y around camera based on zr (cocking your head to a side) - c2_t tmp; - tmp=rotate_c2((c2_t){p1.x,p1.y},(c2_t){p2.x,p2.y},zr); - return (c3_t){tmp.x,tmp.y,p1.z}; -} - -void rotate_shape_yr(struct c3_shape *s) {//changes input value! - int i=0; - for(i=0;i<s->len+(s->len==1);i++) s->p[0]=rotate_c3_yr(s->p[0],camera.p,camera.yr); -} - -c2_t c3_to_c2(c3_t p3) { //DO NOT DRAW STUFF IN HERE - c2_t p2; -// c3_t tmp1; -// c3_t tmp2; -// c3_t tmp3; - c3_t final; -//these rotations need to be about the previous axis after the axis itself has been rotated. -// final=rotate_c3_yr(p3,camera.p,d2r(camera.yr));//rotate everything around the camera's location. - final=rotate_c3_yr(p3,(c3_t){0,0,0},d2r(camera.yr));//rotate everything around the center no matter what. -// tmp2=rotate_c3_xr(tmp1,camera.p,d2r(camera.xr)); -// final=rotate_c3_zr(tmp2,camera.p,d2r(camera.zr)); - real delta_x=(camera.p.x - final.x); - real delta_y=(camera.p.y - final.y); - real delta_z=(camera.p.z - final.z); -// real d=distance3(camera.p,final); - p2.y=camera.zoom * (delta_y * MAGIC(delta_z) - delta_y); - p2.x=camera.zoom * (delta_x * MAGIC(delta_z) - delta_x); - return p2; -} - -void draw_c3_line(c3_t p1,c3_t p2) { -// if(!between_angles(points_to_angle((c2_t){camera.p.x,camera.p.z},(c2_t){p1.x,p1.z}),0,90) || -// !between_angles(points_to_angle((c2_t){camera.p.x,camera.p.z},(c2_t){p2.x,p2.z}),0,90)) return; - if(global.drawminimap == 1) { - draw_c2_line((c2_t){(camera.p.x-2)*global.mmz,(camera.p.z+2)*global.mmz},(c2_t){(camera.p.x+2)*global.mmz,(camera.p.z-2)*global.mmz}); - draw_c2_line((c2_t){(camera.p.x+2)*global.mmz,(camera.p.z+2)*global.mmz},(c2_t){(camera.p.x-2)*global.mmz,(camera.p.z-2)*global.mmz}); - draw_c2_line((c2_t){p1.x*global.mmz,p1.z*global.mmz},(c2_t){p2.x*global.mmz,p2.z*global.mmz}); - } - if(global.drawminimap == 2) {//map rotates. - c3_t t1=rotate_c3_yr(p1,camera.p,d2r(camera.yr)); - c3_t t2=rotate_c3_yr(p2,camera.p,d2r(camera.yr)); - draw_c2_line((c2_t){t1.x*global.mmz,t1.z*global.mmz},(c2_t){t2.x*global.mmz,t2.z*global.mmz}); - } - if(global.draw3d != 0) draw_c2_line(c3_to_c2(p1),c3_to_c2(p2)); - if(global.debug) { - - } -} - -cs_t c3_to_cs(c3_t p) { - return c2_to_cs(c3_to_c2(p)); -} - -real shitdist2(c3_t p1,c3_t p2) { - return sqrtl(((p1.x - p2.x) * (p1.x - p2.x)) + - ((p1.y - p2.y) * (p1.y - p2.y)) + - ((p1.z - p2.z) * (p1.z - p2.z))); -} - -real shitdist(struct c3_shape s,c3_t p) { -// apply rotation then find distance? - int i; - struct c3_shape s_; - real total; - s_=s; - rotate_shape_yr(&s_); - for(i=0;i<s_.len+(s_.len==1);i++) { - total+=shitdist2(s_.p[i],camera.p); - } - return (total) / (real)(s_.len+(s_.len==1)); -} - - -void HatchLines(c2_t p1,c2_t p2,c2_t p3,int density) { - real i=0; - for(i=1;i<density;i=i+1) {//only need 1/2, not 0/2 and 2/2, those are edges of the triangle. - draw_c2_line( - (c2_t){((i*p1.x)+((density-i)*p3.x))/density, - ((i*p1.y)+((density-i)*p3.y))/density}, - (c2_t){((i*p2.x)+((density-i)*p3.x))/density, - ((i*p2.y)+((density-i)*p3.y))/density} - ); - } -} - -/*void DrawHatchedTriangle(struct c3_triangle t,int d) { - c2_t p1,p2,p3; - p1=c3_to_c2(t.p1); - p2=c3_to_c2(t.p2); - p3=c3_to_c2(t.p3); - HatchLines(p1,p2,p3,d); - HatchLines(p2,p3,p1,d); - HatchLines(p1,p3,p2,d); -}*/ - -//^ subdivision algorithm for display purposes only. -//black out the rest of the triangle first? -//sounds alright to me... - -void draw_cs_text(cs_t p,char *text) { - char t[256]; - int direction,ascent,descent; - XFontStruct *font=XLoadQueryFont(global.dpy,"fixed"); - XCharStruct overall; - snprintf(t,sizeof(t)-1,"%s",text); - XTextExtents(font,text,strlen(text),&direction,&ascent,&descent,&overall); - XDrawString(global.dpy,global.backbuffer,global.backgc,p.x,p.y+(descent+ascent),text,strlen(text)); -} - -void draw_c2_text(c2_t p,char *text) { - cs_t p2=c2_to_cs(p); - draw_cs_text(p2,text); -} - -void draw_c3_text(c3_t p,char *text) { - cs_t p2=c3_to_cs(p); - draw_cs_text(p2,text); -} - -/* -cs_t *c3s_to_css(c3_t *p3,int len) { - cs_t *ps=malloc(sizeof(cs_t) * len); - int i; - for(i=0;i<len;i++) ps[i]=c3_to_cs(p3[i]); - return ps; -}*/ - -void draw_c3_shape(struct c3_shape s) { -// char line[1024]; - int i=0; - int w,h; - XPoint p[s.len+(s.len==1)]; - cs_t tmp; - for(i=0;i<s.len+(s.len==1);i++) { - tmp=c3_to_cs(s.p[i]); - p[i]=(XPoint){tmp.x,tmp.y}; - } - if(global.draw3d == 1) { // wireframe - switch(s.len) { - case 1: - w=max(p[0].x,p[1].x)-min(p[0].x,p[1].x); - h=max(p[0].y,p[1].y)-min(p[0].y,p[1].y); - p[0].x-=h; - p[0].y-=h; - XDrawArc(global.dpy,global.backbuffer,global.backgc,p[0].x,p[0].y,h*2,h*2,0,360*64); - break; - case 2: - XDrawLine(global.dpy,global.backbuffer,global.backgc,p[0].x,p[0].y,p[1].x,p[1].y); - break; - default: - for(i=0;i<s.len;i++) { - XDrawLines(global.dpy,global.backbuffer,global.backgc,p,s.len,CoordModeOrigin); - } - break; - } - } - if(global.draw3d == 2) { //draw it filled in - switch(s.len) { - case 1: - w=max(p[0].x,p[1].x)-min(p[0].x,p[1].x); - h=max(p[0].y,p[1].y)-min(p[0].y,p[1].y); - p[0].x-=h; - p[0].y-=h; - XFillArc(global.dpy,global.backbuffer,global.backgc,p[0].x,p[0].y,h*2,h*2,0,360*64); - break; - case 2: - XDrawLine(global.dpy,global.backbuffer,global.backgc,p[0].x,p[0].y,p[1].x,p[1].y); - break; - default: - XFillPolygon(global.dpy,global.backbuffer,global.backgc,p,s.len,Convex,CoordModeOrigin); - break; - } - } -// if(global.draw3d == 3) { //hashed -// XSetForeground(global.dpy, global.backgc, global.colors[0].pixel); - //XDrawFilledShape(c3_to_cs(t.p1),c3_to_cs(t.p2),c3_to_cs(t.p3));//clear out this triangle. -// XSetForeground(global.dpy, global.backgc, global.green.pixel); - //upgrade me! DrawHatchedTriangle(t,10 - (shitdist(t,camera.p) / 10));//how to get density? -// } -/* if(global.debug) { - snprintf(line,sizeof(line)-1,"(%Lf,%Lf,%Lf)",t.p1.x,t.p1.y,t.p1.z); - draw_c3_text(t.p1,line); - snprintf(line,sizeof(line)-1,"(%Lf,%Lf,%Lf)",t.p2.x,t.p2.y,t.p2.z); - draw_c3_text(t.p2,line); - snprintf(line,sizeof(line)-1,"(%Lf,%Lf,%Lf)",t.p3.x,t.p3.y,t.p3.z); - draw_c3_text(t.p3,line); -*/ -// } -} - -typedef struct { - struct c3_shape *s; - real d; -} zsort_t; - -int compar(zsort_t *a,zsort_t *b) { - return ((a->d) > (b->d)); -} - - -/* -void draw_c3_point_text(c3_t p,char *text) { - char coords[256]; - int direction,ascent,descent; - cs_t p2; - p2=c3_to_cs(p); - snprintf(coords,sizeof(coords)-1,"(%Lf,%Lf,%Lf)",p.x,p.y,p.z); - XTextExtents(font,text,strlen(text),&direction,&ascent,&descent,&overall); - XDrawString(global.dpy,global.backbuffer,global.backgc,p2.x,p2.y+(descent+ascent),coords,strlen(coords)); -}*/ - -void draw_screen(Display *dpy,Window w,GC gc) { - int i; - int colori=100; - int cn=0;//camera number. - XFontStruct *font=XLoadQueryFont(global.dpy,"fixed"); - XCharStruct overall; - int direction,ascent,descent; - char coords[256]; - XGCValues gcval; - zsort_t zs[SHAPES]; - XCopyArea(global.dpy,global.cleanbackbuffer,global.backbuffer,gc,0,0,global.width,global.height,0,0);//clear the backbuffer. -// XCopyPlane(global.dpy,global.cleanbackbuffer,global.backbuffer,gc,0,0,global.width,global.height,0,0,1);//clear the backbuffer. - - XRectangle cliprect; - cliprect.x=0; - cliprect.y=0; - cliprect.width=global.width/global.split_screen; - cliprect.height=global.height; - - real oldx=camera.p.x; - real oldz=camera.p.z; - if(global.split_screen > 1) { - camera.p.z-=(global.split_flip)*((global.split/global.split_screen)*cosl(d2r(camera.yr+180))); - camera.p.x-=(global.split_flip)*((global.split/global.split_screen)*sinl(d2r(camera.yr+180))); - } - for(cn=0;cn<global.split_screen;cn++) { - if(global.red_and_blue) { - //set color for left half to red and right half to blue - //and draw mode for the gc to GXOr - global.xoff=0; - gcval.function=GXor; - XChangeGC(global.dpy,global.backgc,GCFunction,&gcval); - } else { - global.xoff=(global.width/global.split_screen)*cn; - } - if(!global.red_and_blue) XSetClipRectangles(global.dpy,global.backgc,global.xoff,0,&cliprect,1,Unsorted); - //if(global.drawminimap == 3) { draw_graph(magic); continue; } - if(global.drawsky) { - XCopyArea(global.dpy,skypixmap,global.backbuffer,global.backgc,((camera.yr*5)+SKYW)%SKYW,0,WIDTH,global.height/2,0,0); - } - if(global.draw3d) { -// draw_c2_line((c2_t){LEFT,0},(c2_t){RIGHT,0}); //horizon - } - if(time(0) == global.oldtime) { - global.fps++; - } - else { - global.oldtime=time(0); - global.oldfps=global.fps; - global.fps=0; - } - //XSetForeground(global.dpy, global.backgc, global.green.pixel); - if(global.debug) { - snprintf(coords,sizeof(coords)-1,"debug: %s minimap: %d 3d: %d fps: %d shapes: %d",global.debug?"on":"off",global.drawminimap,global.draw3d,global.oldfps,global.shapes); - XTextExtents(font,coords,strlen(coords),&direction,&ascent,&descent,&overall); - XDrawString(global.dpy,global.backbuffer,global.backgc,global.xoff,global.height/2+(descent+0+ascent)*1,coords,strlen(coords)); - snprintf(coords,sizeof(coords)-1,"x: %d y: %d",global.mousex,global.mousey); - XTextExtents(font,coords,strlen(coords),&direction,&ascent,&descent,&overall); - XDrawString(global.dpy,global.backbuffer,global.backgc,global.xoff,global.height/2+(descent+0+ascent)*2,coords,strlen(coords)); - snprintf(coords,sizeof(coords)-1,"cx: %Lf cy: %Lf cz: %Lf",camera.p.x,camera.p.y,camera.p.z); - XTextExtents(font,coords,strlen(coords),&direction,&ascent,&descent,&overall); - XDrawString(global.dpy,global.backbuffer,global.backgc,global.xoff,global.height/2+(descent+0+ascent)*3,coords,strlen(coords)); - snprintf(coords,sizeof(coords)-1,"xr: %d yr: %d zr: %d",camera.xr,camera.yr,camera.zr); - XTextExtents(font,coords,strlen(coords),&direction,&ascent,&descent,&overall); - XDrawString(global.dpy,global.backbuffer,global.backgc,global.xoff,global.height/2+(descent+0+ascent)*4,coords,strlen(coords)); - } - -// if(global.drawminimap) {//this isn't even useful I guess. - //cx1=(sinl(d2r(camera.yr+270))*7l); - //cy1=(cosl(d2r(camera.yr+270))*7l); - //cx2=(sinl(d2r(camera.yr+90))*7l); - //cy2=(cosl(d2r(camera.yr+90))*7l); -// draw_c2_line((c2_t){0,0},(c2_t){10,10}); -// draw_c2_line((c2_t){0,0},(c2_t){-10,10}); -// draw_c2_line((c2_t){10,10},(c2_t){-10,10}); -// } - -/* cube - draw_c3_line((c3_t){-3,0,-3},(c3_t){-3,0,3}); - draw_c3_line((c3_t){-3,0,-3},(c3_t){-3,6,-3}); - draw_c3_line((c3_t){-3,0,-3},(c3_t){3,0,-3}); - - draw_c3_line((c3_t){3,6,3},(c3_t){3,6,-3}); - draw_c3_line((c3_t){3,6,3},(c3_t){-3,6,3}); - draw_c3_line((c3_t){3,6,3},(c3_t){3,0,3}); - - draw_c3_line((c3_t){-3,0,3},(c3_t){3,0,3}); - draw_c3_line((c3_t){-3,0,3},(c3_t){-3,6,3}); - - draw_c3_line((c3_t){-3,6,-3},(c3_t){-3,6,3}); - draw_c3_line((c3_t){-3,6,-3},(c3_t){3,6,-3}); - - draw_c3_line((c3_t){3,0,-3},(c3_t){3,0,3}); - draw_c3_line((c3_t){3,0,-3},(c3_t){3,6,-3}); -*/ -/* - //floor grid - for(i=-21;i<21;i+=3) { - for(j=-21;j<21;j+=3) { - //draw_c3_triangle((struct c3_triangle){"id",(c3_t){i,0,j},(c3_t){i,0,j+3},(c3_t){i+3,0,j}}); - draw_c3_line((c3_t){i,0,j},(c3_t){i,0,j+3}); - draw_c3_line((c3_t){i,0,j},(c3_t){i+3,0,j}); - } - } -*/ - //apply rotation? - // load up the triangles to render... after applying rotation? - for(i=0;global.shape[i];i++) { - zs[i].s=global.shape[i]; - //rotate_shape(zs[i].s); - } - // - if(1) {//global.zsort) { - for(i=0;global.shape[i];i++) { - zs[i].d=shitdist(*(zs[i].s),camera.p); - } - qsort(&zs,i,sizeof(zs[0]),(__compar_fn_t)compar);//sort these zs structs based on d. - } - //draw all triangles - if(zs[0].s) { - strcpy(global.selected_object,zs[0].s->id); - } - for(i=0;global.shape[i];i++) { - //now we pick the color of this triangle! - if(global.red_and_blue) { - if(cn==0) { - XSetForeground(global.dpy,global.backgc,global.red.pixel); - } else { - XSetForeground(global.dpy,global.backgc,global.blue.pixel); - } -//tests of blending grayscale with red and blue -// draw_c3_triangle(*(zs[i].t)); - } else { - if(!strcmp(global.selected_object,zs[i].s->id)) { - //XSetForeground(global.dpy,global.backgc,global.green.pixel); - } else { - if(global.greyscale) { - if(zs[i].d > 0) { - if(zs[i].d < 100) { - colori=zs[i].d; - } - } - colori=(int)(zs[i].d)%100; - XSetForeground(global.dpy,global.backgc,global.colors[(int)(100.0-(colori))].pixel);//picking the color here only works if... - } - } - } - draw_c3_shape(*(zs[i].s)); - } - XSetForeground(global.dpy, global.backgc, global.green.pixel); - if(global.debug) { - snprintf(coords,sizeof(coords)-1,"selected object: %s",global.selected_object); - XTextExtents(font,coords,strlen(coords),&direction,&ascent,&descent,&overall); - XDrawString(global.dpy,global.backbuffer,global.backgc,global.xoff,global.height/2+(descent+0+ascent)*5,coords,strlen(coords)); - } - camera.p.z+=(global.split_flip)*(global.split*cosl(d2r(camera.yr+180))); - camera.p.x+=(global.split_flip)*(global.split*sinl(d2r(camera.yr+180))); - - - } - -//TODO: figure out what all this shit is and either update or remove. -//DONT USE WIDTH for shit. -/* - x1=nextX(WIDTH/2,HEIGHT/2,d2r(camera.yr),40); - y1=nextY(WIDTH/2,HEIGHT/2,d2r(camera.yr),40); - x2=nextX(WIDTH/2,HEIGHT/2,d2r(camera.yr+180),80); - y2=nextY(WIDTH/2,HEIGHT/2,d2r(camera.yr+180),80); - XDrawLine(global.dpy,w,gc,WIDTH/2,HEIGHT/2,x1,y1); - XDrawLine(global.dpy,w,gc,WIDTH/2,HEIGHT/2,x2,y2); - - XDrawLine(global.dpy,w,gc,0,HEIGHT/2,WIDTH,HEIGHT/2); - - x1=global.mousex; - y1=global.mousey; - real a=points_to_angle((c2_t){0,0},cs_to_c2((cs_t){x1,y1})); - - snprintf(coords,sizeof(coords)-1,"%llf",a); - XTextExtents(font,coords,strlen(coords),&direction,&ascent,&descent,&overall); - XDrawString(global.dpy,w,gc,global.xoff,(descent+0+ascent)*6,coords,strlen(coords)); - snprintf(coords,sizeof(coords)-1,"%llf",points_to_angle(cs_to_c2((cs_t){global.mousex,global.mousey}),(c2_t){0,0})+(M_PIl/2)); - XTextExtents(font,coords,strlen(coords),&direction,&ascent,&descent,&overall); - XDrawString(global.dpy,w,gc,global.xoff,(descent+0+ascent)*7,coords,strlen(coords)); - XDrawLine(global.dpy,w,gc,global.mousex,global.mousey,global.width/2,global.height/2); - - real c=cosl(d2r(camera.yr) - a) * distance((c2_t){x1,y1},(c2_t){WIDTH/2,HEIGHT/2}); - x2=nextX(x1,y1,d2r(camera.yr-90),c); - y2=nextY(x1,y1,d2r(camera.yr-90),c); - XDrawLine(global.dpy,w,gc,x1,y1,x2,y2); -*/ - camera.p.x = oldx; - camera.p.z = oldz; //-= cn*CAMERA_SEPARATION; -// XClearWindow(global.dpy, w); - XCopyArea(global.dpy,global.backbuffer,w,gc,0,0,global.width,global.height,0,0);//move backbuffer to window -// XCopyPlane(global.dpy,global.backbuffer,w,gc,0,0,global.width,global.height,0,0,0x000100);//move backbuffer to window -} - -#endif - -#ifdef GRAPHICAL -void set_aspect_ratio() { - XSizeHints *hints=XAllocSizeHints(); - hints->min_aspect.x=4*(global.split_screen / (global.red_and_blue ? global.split_screen : 1)); - hints->min_aspect.y=3; - hints->max_aspect.x=4*(global.split_screen / (global.red_and_blue ? global.split_screen : 1)); - hints->max_aspect.y=3; - hints->flags=PAspect; - XSetWMNormalHints(global.dpy,global.w,hints); -} -#endif - -#ifdef GRAPHICAL -//push a string back into stdin so it can be read by the file loader. :P -int selfcommand(char *s) { - char t; - if(!strlen(s)) return 0; - ungetc(s[strlen(s)-1],stdin); - t=s[strlen(s)-1]; - s[strlen(s)-1]=0; - selfcommand(s); - putchar(t); - return 0; -} - -int keypress_handler(int sym) { - char line[1024]; - 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: - tmpx=WALK_SPEED*sinl(d2r(camera.yr+90)); - tmpz=WALK_SPEED*cosl(d2r(camera.yr+90)); - 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: - tmpx=WALK_SPEED*sinl(d2r(camera.yr+270)); - tmpz=WALK_SPEED*cosl(d2r(camera.yr+270)); - 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: - tmpx=WALK_SPEED*sinl(d2r(camera.yr)); - tmpz=WALK_SPEED*cosl(d2r(camera.yr)); - 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: - tmpx=WALK_SPEED*sinl(d2r(camera.yr+180)); - tmpz=WALK_SPEED*cosl(d2r(camera.yr+180)); - 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.xr+=5; - while(camera.xr > 360) camera.xr-=360; - break; - case XK_y: - camera.xr-=5; - while(camera.xr < 0) camera.xr+=360; - break; - case XK_q: - camera.yr+=5; - while(camera.yr > 360) camera.yr-=360; - break; - case XK_e: - camera.yr-=5; - while(camera.yr < 0) camera.yr+=360; - break; - case XK_u: - camera.zr+=5; - while(camera.zr > 360) camera.zr-=360; - break; - case XK_o: - camera.zr-=5; - while(camera.zr < 0) camera.zr+=360; - 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: - global.drawminimap += 1; - global.drawminimap %= 4; - break; - case XK_a: - global.drawsky ^= 1; - break; - case XK_3: - global.draw3d += 1; - global.draw3d %= 4; - break; - case XK_Escape: - return -1; - default: - return 0; - break; - } - return 1; -} -#endif - -int main(int argc,char *argv[]) { -#ifdef GRAPHICAL - Cursor cursor; - XEvent e; - XSetWindowAttributes attributes; - Window root,child;//why do I have this? -// XColor toss; -#endif - int i,j; - char tmp[64]; - unsigned int mask; - char redraw=0; - if(argc < 2) { - fprintf(stderr,"usage: hackvr yourname < from_others > to_others\n"); - return 1; - } else { - global.user=strdup(argv[1]); - } - fcntl(1,F_SETFL,O_NONBLOCK);//won't work - setbuf(stdin,0); - setbuf(stdout,0); -#ifdef GRAPHICAL - printf("# Opening X Display... (%s)\n",getenv("DISPLAY")); - if((global.dpy = XOpenDisplay(0)) == NULL) return printf("# failure.\n"),2; - else printf("# done.\n"); - global.color_map=DefaultColormap(global.dpy, DefaultScreen(global.dpy)); - - printf("# generating grays...\n"); - for(i=0;i<=100;i++) { - snprintf(tmp,sizeof(tmp),"gray%d",i); - XAllocNamedColor(global.dpy,global.color_map,tmp,&global.colors[i],&global.colors[i]); - } - printf("# done.\n"); - assert(global.dpy); - global.split_screen=SPLIT_SCREEN; - global.split_flip=-1; - global.split=5; - global.root_window=0; - global.red_and_blue=RED_AND_BLUE; - //global.colors[0]=BlackPixel(global.dpy,DefaultScreen(global.dpy)); -// int whiteColor = //WhitePixel(global.dpy, DefaultScreen(global.dpy)); - attributes.background_pixel=global.colors[0].pixel; - if(global.root_window) { - global.w = DefaultRootWindow(global.dpy); //this is still buggy. - } else { - global.w = XCreateWindow(global.dpy,DefaultRootWindow(global.dpy),0,0,WIDTH*(global.split_screen / (global.red_and_blue ? global.split_screen : 1)),HEIGHT,1,DefaultDepth(global.dpy,DefaultScreen(global.dpy)),InputOutput,DefaultVisual(global.dpy,DefaultScreen(global.dpy))\ - ,CWBackPixel, &attributes); - set_aspect_ratio(); - XSelectInput(global.dpy, global.w, PointerMotionMask|StructureNotifyMask|ButtonPressMask|ButtonReleaseMask|KeyPressMask|ExposureMask); - } - XMapWindow(global.dpy, global.w); - XStoreName(global.dpy,global.w,"hackvr"); - global.greyscale=1; - global.zsort=1; - global.shape[0]=0;//we'll allocate as we need more. - global.gc=XCreateGC(global.dpy, global.w, 0, 0); - - if(global.red_and_blue) { - global.width=WIDTH; - } else { - global.width=WIDTH*global.split_screen; - } - global.height=HEIGHT; - - global.backbuffer=XCreatePixmap(global.dpy,global.w,global.width,global.height,DefaultDepth(global.dpy,DefaultScreen(global.dpy))); - global.cleanbackbuffer=XCreatePixmap(global.dpy,global.w,global.width,global.height,DefaultDepth(global.dpy,DefaultScreen(global.dpy))); - - global.fps=0; - global.oldfps=0; - global.oldtime=0; -//backbuffer is uninitialized - global.backgc=XCreateGC(global.dpy,global.backbuffer,0,0); - - cursor=XCreateFontCursor(global.dpy,XC_crosshair); - XDefineCursor(global.dpy, global.w, cursor); - - XAllocNamedColor(global.dpy, global.color_map, "green", &global.green, &global.green); - XAllocNamedColor(global.dpy, global.color_map, "red", &global.red, &global.red); - XAllocNamedColor(global.dpy, global.color_map, "blue", &global.blue, &global.blue); - XAllocNamedColor(global.dpy, global.color_map, "red", &global.redblue[0], &global.redblue[0]); - XAllocNamedColor(global.dpy, global.color_map, "blue", &global.redblue[1], &global.redblue[1]); - XSetForeground(global.dpy, global.gc, global.green.pixel); - XSetForeground(global.dpy, global.backgc, global.colors[0].pixel);//black. we're about to draw the blank background using this. - XSetBackground(global.dpy, global.gc, global.colors[160].pixel); - XSetBackground(global.dpy, global.backgc, global.colors[140].pixel); - - XFillRectangle(global.dpy,global.cleanbackbuffer,global.backgc,0,0,global.width,global.height); - XSetForeground(global.dpy, global.backgc, global.green.pixel); - -// XSetForeground(global.dpy, gc, whiteColor); -// this was taking a "long" time. - printf("# generating sky... "); - skypixmap=XCreatePixmap(global.dpy,global.w,SKYW,SKYH,DefaultDepth(global.dpy,DefaultScreen(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(global.dpy,skypixmap,global.backgc,j,i); - } - } - } - } - printf("done.\n"); - - global.mapxoff=global.width/2; - global.mapyoff=global.height/2; - global.drawminimap=0; - global.draw3d=1; - global.force_redraw=1;//use this for checking proper fps I guess. - camera.zoom=30.0l; - camera.xr=270; - camera.yr=270; - camera.zr=0; - global.mmz=1; - camera.p.x=0; - camera.p.z=6; - camera.p.y=5; -#endif - global.debug=0; - printf("# entering main loop\n"); - for(;;) { - redraw=global.force_redraw; -#ifdef GRAPHICAL - while(XPending(global.dpy)) {//these are taking too long? - XNextEvent(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: - redraw=1; - XQueryPointer(global.dpy,global.w,&root,&child,&global.rmousex,&global.rmousey,&global.mousex,&global.mousey,&mask); - break; - case ButtonPress: - redraw=1; - global.buttonpressed=e.xbutton.button; - break; - case ButtonRelease: - redraw=1; - global.buttonpressed=0; - break; - case ConfigureNotify: - redraw=1; - XGetGeometry(global.dpy,global.w,&root,&global.x,&global.y,&global.width,&global.height,&global.border_width,&global.depth); - if(global.width / (global.split_screen / (global.red_and_blue ? global.split_screen : 1 )) / 4 * 3 != global.height) { - if(global.height * 3 / 4 == global.height) { - printf("math doesn't work.\n"); - } - printf("# DERPY WM CANT TAKE A HINT %d / %d / 4 * 3 = %d != %d\n",global.width,global.split_screen,global.width /global.split_screen /4 * 3,global.height); - if(global.width / (global.split_screen / (global.red_and_blue ? global.split_screen : 1)) / 4 * 3 < global.height) { - global.height=global.width / (global.split_screen / (global.red_and_blue ? global.split_screen : 1)) / 4 * 3; - } else { - global.width=global.height * 3 / 4 * (global.split_screen / (global.red_and_blue ? global.split_screen : 1)); - } - } - global.mapxoff=global.width/(global.split_screen / (global.red_and_blue ? global.split_screen : 1))/2; - global.mapyoff=global.height/2; - break; - case KeyPress: - redraw=1; - if(keypress_handler(XLookupKeysym(&e.xkey,0)) == -1) { - printf("# exiting\n"); - return 0; - } - break; - default: - //printf("# received event with type: %d\n",e.type); - break; - } - } - if(redraw && !global.headless) { - draw_screen(global.dpy,global.w,global.gc); - } -#endif - switch(load_stdin()) { - case -1: - return 0; - break; - case 0: - break; - default: - redraw=1; - break; - } - } - return 0; -} |