removed clang-format and clang_complete files from the repo
[dosdemo] / src / demo.c
index 3a99314..2479c42 100644 (file)
 #include <stdlib.h>
 #include <string.h>
 #include <math.h>
+#include <ctype.h>
 #include <errno.h>
 #include <limits.h>
 #include "demo.h"
 #include "screen.h"
 #include "3dgfx.h"
-#include "music.h"
+#include "audio.h"
+#include "cfgopt.h"
+#include "console.h"
+#include "tinyfps.h"
+#include "util.h"
+
+#define MOUSE_TIMEOUT  1200
+
+#define GUARD_XPAD     0
+#define GUARD_YPAD     64
+
+int fb_width, fb_height, fb_bpp, fb_scan_size;
+float fb_aspect;
+long fb_size, fb_buf_size;
+uint16_t *fb_pixels, *vmem;
+uint16_t *fb_buf;
 
-int fb_width = 320;
-int fb_height = 240;
-int fb_bpp = 16;
-uint16_t *fb_pixels, *vmem_back, *vmem_front;
 unsigned long time_msec;
 int mouse_x, mouse_y;
 unsigned int mouse_bmask;
 
+static struct au_module *mod;
+
+float sball_matrix[] = {1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1};
+
+static unsigned long last_mouse_move;
+static int prev_mx, prev_my, mouse_dx, mouse_dy;
+static unsigned int bmask_diff, prev_bmask;
+
 static unsigned long nframes;
-static const char *start_scr_name;
+static int con_active;
+
+extern uint16_t loading_pixels[];      /* data.asm */
 
 int demo_init(int argc, char **argv)
 {
-       struct screen *scr;
+       if(demo_init1(argc, argv) == -1) {
+               return -1;
+       }
+       if(demo_init2() == -1) {
+               return -1;
+       }
+       return 0;
+}
+
+static struct screen *scr;
+
+int demo_init1(int argc, char **argv)
+{
+       char *env;
 
-       start_scr_name = getenv("START_SCR");
-       if(argv[1]) {
-               start_scr_name = argv[1];
+       if(load_config("demo.cfg") == -1) {
+               return -1;
        }
+       if((env = getenv("START_SCR"))) {
+               opt.start_scr = env;
+       }
+       if(parse_args(argc, argv) == -1) {
+               return -1;
+       }
+       return 0;
+}
+
+int demo_init2(void)
+{
+       con_init();
+       initFpsFonts();
 
        if(g3d_init() == -1) {
                return -1;
        }
-       g3d_framebuffer(fb_width, fb_height, fb_pixels);
+       g3d_framebuffer(FB_WIDTH, FB_HEIGHT, fb_pixels);
 
-       if(music_open("data/test.mod") == -1) {
-               return -1;
+       if(opt.music) {
+               if(!(mod = au_load_module("data/test.mod"))) {
+                       return -1;
+               }
        }
 
        if(scr_init() == -1) {
                return -1;
        }
-       if(start_scr_name) {
-               scr = scr_lookup(start_scr_name);
+
+       if(opt.start_scr) {
+               scr = scr_lookup(opt.start_scr);
        } else {
                scr = scr_screen(0);
        }
 
        if(!scr || scr_change(scr, 4000) == -1) {
-               fprintf(stderr, "screen %s not found\n", start_scr_name ? start_scr_name : "0");
+               fprintf(stderr, "screen %s not found\n", opt.start_scr ? opt.start_scr : "0");
                return -1;
        }
 
        /* clear the framebuffer at least once */
-       memset(fb_pixels, 0, fb_width * fb_height * fb_bpp / CHAR_BIT);
+       memset(fb_pixels, 0, FB_WIDTH * FB_HEIGHT * FB_BPP / CHAR_BIT);
 
-       music_play();
+       if(opt.music) {
+               au_play_module(mod);
+       }
        return 0;
 }
 
 void demo_cleanup(void)
 {
-       music_close();
+       if(opt.music) {
+               au_free_module(mod);
+       }
        scr_shutdown();
        g3d_destroy();
 
@@ -71,30 +125,180 @@ void demo_cleanup(void)
        }
 }
 
+int demo_resizefb(int width, int height, int bpp)
+{
+       int newsz, new_scansz;
+
+       if(!width || !height || !bpp) {
+               free(fb_buf);
+               fb_buf = fb_pixels = 0;
+               fb_size = fb_buf_size = fb_scan_size = 0;
+               fb_width = fb_height = fb_bpp = 0;
+               return 0;
+       }
+
+       new_scansz = ((width + GUARD_XPAD * 2) * bpp + 7) / 8;
+       newsz = (height + GUARD_YPAD * 2) * new_scansz;
+
+       if(!fb_buf || newsz > fb_buf_size) {
+               void *tmp = malloc(newsz);
+               if(!tmp) return -1;
+
+               free(fb_buf);
+               fb_buf = tmp;
+               fb_buf_size = newsz;
+       }
+
+       fb_scan_size = new_scansz;
+       fb_pixels = (uint16_t*)((char*)fb_buf + GUARD_YPAD * fb_scan_size + (GUARD_XPAD * bpp + 7) / 8);
+       fb_width = width;
+       fb_height = height;
+       fb_bpp = bpp;
+       fb_size = fb_scan_size * fb_height;
+
+       fb_aspect = (float)fb_width / (float)fb_height;
+
+       return 0;
+}
+
+
 void demo_draw(void)
 {
-       music_update();
+       if(opt.mouse) {
+               mouse_dx = mouse_x - prev_mx;
+               mouse_dy = mouse_y - prev_my;
+               prev_mx = mouse_x;
+               prev_my = mouse_y;
+               bmask_diff = mouse_bmask ^ prev_bmask;
+               prev_bmask = mouse_bmask;
+               if(mouse_dx | mouse_dy) {
+                       last_mouse_move = time_msec;
+               }
+       }
+
+       if(opt.music) {
+               au_update();
+       }
        scr_update();
        scr_draw();
 
        ++nframes;
 }
 
-void demo_keyboard(int key, int state)
+/* called by swap_buffers just before the actual swap */
+void demo_post_draw(void *pixels)
+{
+       char buf[32];
+       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);
+       }
+
+       if(opt.mouse && time_msec - last_mouse_move < MOUSE_TIMEOUT) {
+               cs_mouseptr(pixels, mouse_x, mouse_y);
+       }
+}
+
+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);
+}
+
+void demo_keyboard(int key, int press)
 {
-       if(state) {
+       int nscr;
+
+       if(press) {
                switch(key) {
                case 27:
-                       demo_quit();
-                       break;
+                       if(con_active) {
+                               con_stop();
+                               con_active = 0;
+                       } else {
+                               demo_quit();
+                       }
+                       return;
+
+               case 127:
+                       debug_break();
+                       return;
+
+               case '`':
+                       con_active = !con_active;
+                       if(con_active) {
+                               con_start();
+                       } else {
+                               con_stop();
+                       }
+                       return;
+
+               case '/':
+                       if(!con_active) {
+                               con_start();
+                               con_active = con_input('/');
+                               return;
+                       }
 
                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(con_active) {
+                               con_active = con_input(key);
+                               return;
+                       }
+
+                       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);
+                               return;
+                       }
+               }
+
+               scr_keypress(key);
+       }
+}
+
+
+void mouse_orbit_update(float *theta, float *phi, float *dist)
+{
+       if(mouse_bmask) {
+               if(bmask_diff == 0) {
+
+                       if(mouse_dx | mouse_dy) {
+                               if(mouse_bmask & MOUSE_BN_LEFT) {
+                                       float p = *phi;
+                                       *theta += mouse_dx * 1.0;
+                                       p += mouse_dy * 1.0;
+
+                                       if(p < -90) p = -90;
+                                       if(p > 90) p = 90;
+                                       *phi = p;
+                               }
+                               if(mouse_bmask & MOUSE_BN_RIGHT) {
+                                       *dist += mouse_dy * 0.5;
+
+                                       if(*dist < 0) *dist = 0;
+                               }
                        }
-                       break;
                }
        }
 }