starting infcubes part

[dosdemo] / src / demo.c

diff --git a/src/demo.c b/src/demo.c
index f25610a..6abcf67 100644 (file)
--- a/src/demo.c
+++ b/src/demo.c
@@ -2,6 +2,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <math.h>
+#include <ctype.h>
 #include <errno.h>
 #include <limits.h>
 #include "demo.h"
@@ -99,21 +100,96 @@ void demo_draw(void)
        ++nframes;
 }
 
-void demo_keyboard(int key, int state)
+static void change_screen(int idx)
 {
-       if(state) {
+       printf("change screen %d\n", idx);
+       scr_change(scr_screen(idx), 4000);
+}
+
+#define CBUF_SIZE      64
+#define CBUF_MASK      (CBUF_SIZE - 1)
+void demo_keyboard(int key, int press)
+{
+       static char cbuf[CBUF_SIZE];
+       static int rd, wr;
+       char inp[CBUF_SIZE + 1], *dptr;
+       int i, nscr;
+
+       if(press) {
                switch(key) {
                case 27:
                        demo_quit();
                        break;
 
+               case '\n':
+               case '\r':
+                       dptr = inp;
+                       while(rd != wr) {
+                               *dptr++ = cbuf[rd];
+                               rd = (rd + 1) & CBUF_MASK;
+                       }
+                       *dptr = 0;
+                       if(inp[0]) {
+                               printf("trying to match: %s\n", inp);
+                               nscr = scr_num_screens();
+                               for(i=0; i<nscr; i++) {
+                                       if(strstr(scr_screen(i)->name, inp)) {
+                                               change_screen(i);
+                                               break;
+                                       }
+                               }
+                       }
+                       break;
+
                default:
-                       if(key >= '1' && key <= '1' + scr_num_screens()) {
-                               int idx = key - '1';
-                               printf("change screen %d\n", idx);
-                               scr_change(scr_screen(idx), 4000);
+                       if(key >= '1' && key <= '9' && key <= '1' + scr_num_screens()) {
+                               change_screen(key - '1');
+                       } else if(key == '0' && scr_num_screens() >= 10) {
+                               change_screen(9);
+                       }
+
+                       if(key < 256 && isprint(key)) {
+                               cbuf[wr] = key;
+                               wr = (wr + 1) & CBUF_MASK;
+                               if(wr == rd) { /* overflow */
+                                       rd = (rd + 1) & CBUF_MASK;
+                               }
                        }
                        break;
                }
        }
 }
+
+
+void mouse_orbit_update(float *theta, float *phi, float *dist)
+{
+       static int prev_mx, prev_my;
+       static unsigned int prev_bmask;
+
+       if(mouse_bmask) {
+               if((mouse_bmask ^ prev_bmask) == 0) {
+                       int dx = mouse_x - prev_mx;
+                       int dy = mouse_y - prev_my;
+
+                       if(dx || dy) {
+                               if(mouse_bmask & 1) {
+                                       float p = *phi;
+                                       *theta += dx * 1.0;
+                                       p += dy * 1.0;
+
+                                       if(p < -90) p = -90;
+                                       if(p > 90) p = 90;
+                                       *phi = p;
+                               }
+                               if(mouse_bmask & 4) {
+                                       *dist += dy * 0.5;
+
+                                       if(*dist < 0) *dist = 0;
+                               }
+                       }
+               }
+       }
+       prev_mx = mouse_x;
+       prev_my = mouse_y;
+       prev_bmask = mouse_bmask;
+}