world's saddest console
[dosdemo] / src / demo.c
index 2ff25a7..8ad984c 100644 (file)
 #include "3dgfx.h"
 #include "music.h"
 #include "cfgopt.h"
+#include "console.h"
 #include "tinyfps.h"
 #include "util.h"
 
-int fb_width = 320;
-int fb_height = 240;
+#define FB_WIDTH       320
+#define FB_HEIGHT      240
+
+int fb_width = FB_WIDTH;
+int fb_height = FB_HEIGHT;
 int fb_bpp = 16;
-uint16_t *fb_pixels, *vmem_back, *vmem_front;
+uint16_t *fb_pixels, *vmem;
 unsigned long time_msec;
 int mouse_x, mouse_y;
 unsigned int mouse_bmask;
@@ -24,7 +28,7 @@ unsigned int mouse_bmask;
 float sball_matrix[] = {1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1};
 
 static unsigned long nframes;
-static int console_active;
+static int con_active;
 
 int demo_init(int argc, char **argv)
 {
@@ -41,6 +45,7 @@ int demo_init(int argc, char **argv)
                return -1;
        }
 
+       con_init();
        initFpsFonts();
 
        if(g3d_init() == -1) {
@@ -102,25 +107,109 @@ void demo_draw(void)
        ++nframes;
 }
 
-static void change_screen(int idx)
+/* called by swap_buffers just before the actual swap */
+void demo_post_draw(void *pixels)
+{
+       if(opt.dbginfo) {
+               drawFps(pixels);
+               if(dbg_curscr_name) {
+                       cs_dputs(pixels, dbg_curscr_name_pos, 240 - 16, dbg_curscr_name);
+               }
+       }
+
+       if(con_active) {
+               con_draw(pixels);
+       }
+
+       draw_mouse_pointer(pixels);
+}
+
+#define DEST(x, y)     dest[(y) * FB_WIDTH + (x)]
+void draw_mouse_pointer(uint16_t *fb)
+{
+       uint16_t *dest = fb + mouse_y * FB_WIDTH + mouse_x;
+       int ylines = FB_HEIGHT - mouse_y;
+
+       switch(ylines) {
+       default:
+       case 10:
+               DEST(0, 9) = 0xffff;
+       case 9:
+               DEST(0, 8) = 0xffff;
+               DEST(1, 8) = 0xffff;
+       case 8:
+               DEST(0, 7) = 0xffff;
+               DEST(2, 7) = 0xffff;
+               DEST(1, 7) = 0;
+       case 7:
+               DEST(6, 6) = 0xffff;
+               DEST(0, 6) = 0xffff;
+               DEST(3, 6) = 0xffff;
+               DEST(4, 6) = 0xffff;
+               DEST(5, 6) = 0xffff;
+               DEST(1, 6) = 0;
+               DEST(2, 6) = 0;
+       case 6:
+               DEST(5, 5) = 0xffff;
+               DEST(0, 5) = 0xffff;
+               DEST(1, 5) = 0;
+               DEST(2, 5) = 0;
+               DEST(3, 5) = 0;
+               DEST(4, 5) = 0;
+       case 5:
+               DEST(4, 4) = 0xffff;
+               DEST(0, 4) = 0xffff;
+               DEST(1, 4) = 0;
+               DEST(2, 4) = 0;
+               DEST(3, 4) = 0;
+       case 4:
+               DEST(3, 3) = 0xffff;
+               DEST(0, 3) = 0xffff;
+               DEST(1, 3) = 0;
+               DEST(2, 3) = 0;
+       case 3:
+               DEST(2, 2) = 0xffff;
+               DEST(0, 2) = 0xffff;
+               DEST(1, 2) = 0;
+       case 2:
+               DEST(1, 1) = 0xffff;
+               DEST(0, 1) = 0xffff;
+       case 1:
+               DEST(0, 0) = 0xffff;
+       }
+}
+
+void cs_puts_font(cs_font_func csfont, int sz, void *fb, int x, int y, const char *str)
+{
+       while(*str) {
+               int c = *str++;
+
+               if(c > ' ' && c < 128) {
+                       csfont(fb, x, y, c - ' ');
+               }
+               x += sz;
+       }
+}
+
+void change_screen(int idx)
 {
        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;
+       int nscr;
 
        if(press) {
                switch(key) {
                case 27:
-                       demo_quit();
+                       if(con_active) {
+                               con_stop();
+                               con_active = 0;
+                       } else {
+                               demo_quit();
+                       }
                        return;
 
                case 127:
@@ -128,71 +217,34 @@ void demo_keyboard(int key, int press)
                        return;
 
                case '`':
-                       console_active = !console_active;
-                       if(console_active) {
-                               printf("> ");
-                               fflush(stdout);
+                       con_active = !con_active;
+                       if(con_active) {
+                               con_start();
                        } else {
-                               putchar('\n');
+                               con_stop();
                        }
                        return;
 
-               case '\b':
-                       if(console_active) {
-                               if(wr != rd) {
-                                       printf("\b \b");
-                                       fflush(stdout);
-                                       wr = (wr + CBUF_SIZE - 1) & CBUF_MASK;
-                               }
+               case '/':
+                       if(!con_active) {
+                               con_start();
+                               con_active = con_input('/');
                                return;
                        }
-                       break;
-
-               case '\n':
-               case '\r':
-                       if(console_active) {
-                               dptr = inp;
-                               while(rd != wr) {
-                                       *dptr++ = cbuf[rd];
-                                       rd = (rd + 1) & CBUF_MASK;
-                               }
-                               *dptr = 0;
-                               if(inp[0]) {
-                                       printf("\ntrying 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;
-                                               }
-                                       }
-                               }
-                               console_active = 0;
+
+               default:
+                       if(con_active) {
+                               con_active = con_input(key);
                                return;
                        }
-                       break;
 
-               default:
                        if(key >= '1' && key <= '9' && key <= '1' + scr_num_screens()) {
                                change_screen(key - '1');
+                               return;
                        } else if(key == '0' && scr_num_screens() >= 10) {
                                change_screen(9);
-                       }
-
-                       if(console_active) {
-                               if(key < 256 && isprint(key)) {
-                                       putchar(key);
-                                       fflush(stdout);
-
-                                       cbuf[wr] = key;
-                                       wr = (wr + 1) & CBUF_MASK;
-                                       if(wr == rd) { /* overflow */
-                                               rd = (rd + 1) & CBUF_MASK;
-                                       }
-                               }
                                return;
                        }
-                       break;
                }
 
                scr_keypress(key);
@@ -211,7 +263,7 @@ void mouse_orbit_update(float *theta, float *phi, float *dist)
                        int dy = mouse_y - prev_my;
 
                        if(dx || dy) {
-                               if(mouse_bmask & MOUSE_LEFT) {
+                               if(mouse_bmask & MOUSE_BN_LEFT) {
                                        float p = *phi;
                                        *theta += dx * 1.0;
                                        p += dy * 1.0;
@@ -220,7 +272,7 @@ void mouse_orbit_update(float *theta, float *phi, float *dist)
                                        if(p > 90) p = 90;
                                        *phi = p;
                                }
-                               if(mouse_bmask & MOUSE_RIGHT) {
+                               if(mouse_bmask & MOUSE_BN_RIGHT) {
                                        *dist += dy * 0.5;
 
                                        if(*dist < 0) *dist = 0;
@@ -228,6 +280,7 @@ void mouse_orbit_update(float *theta, float *phi, float *dist)
                        }
                }
        }
+
        prev_mx = mouse_x;
        prev_my = mouse_y;
        prev_bmask = mouse_bmask;