#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#include <limits.h>
#include "demo.h"
#include "keyb.h"
-#include "mouse.h"
#include "timer.h"
#include "gfx.h"
#include "logger.h"
+#include "cdpmi.h"
+#include "audio.h"
+#include "sball.h"
+#include "vmath.h"
+
+static int handle_sball_event(sball_event *ev);
+static void recalc_sball_matrix(float *xform);
static int quit;
-static int use_mouse;
-static long fbsize;
+
+int force_snd_config;
+
+static int use_sball;
+static vec3_t pos = {0, 0, 0};
+static quat_t rot = {0, 0, 0, 1};
+
int main(int argc, char **argv)
{
- fbsize = fb_width * fb_height * fb_bpp / CHAR_BIT;
+ int i;
+ int vmidx, status = 0;
+
+ for(i=1; i<argc; i++) {
+ if(strcmp(argv[i], "-setup") == 0) {
+ force_snd_config = 1;
+ }
+ }
+
+#ifdef __DJGPP__
+ __djgpp_nearptr_enable();
+#endif
init_logger("demo.log");
+ /* au_init needs to be called early, before init_timer, and also before
+ * we enter graphics mode, to use the midas configuration tool if necessary
+ */
+ if(au_init() == -1) {
+ return 1;
+ }
+
init_timer(100);
kb_init(32);
- if((use_mouse = have_mouse())) {
- set_mouse_limits(0, 0, fb_width, fb_height);
- set_mouse(fb_width / 2, fb_height / 2);
+ if(init_video() == -1) {
+ return 1;
}
- if(!(fb_pixels = malloc(fbsize))) {
- fprintf(stderr, "failed to allocate backbuffer\n");
+ if((vmidx = match_video_mode(FB_WIDTH, FB_HEIGHT, FB_BPP)) == -1) {
return 1;
}
-
- if(!(vmem_front = set_video_mode(fb_width, fb_height, fb_bpp))) {
+ if(!(vmem = set_video_mode(vmidx, 1))) {
return 1;
}
- /* TODO implement multiple video memory pages for flipping */
- vmem_back = vmem_front;
+
+ if(opt.mouse) {
+ if((opt.mouse = have_mouse())) {
+ printf("initializing mouse input\n");
+ set_mouse_limits(0, 0, FB_WIDTH - 1, FB_HEIGHT - 1);
+ set_mouse(FB_WIDTH / 2, FB_HEIGHT / 2);
+ }
+ }
if(demo_init(argc, argv) == -1) {
- set_text_mode();
- return 1;
+ status = -1;
+ goto break_evloop;
}
+
+ if(opt.sball && sball_init() == 0) {
+ use_sball = 1;
+ }
+
reset_timer();
- while(!quit) {
+ for(;;) {
int key;
while((key = kb_getkey()) != -1) {
demo_keyboard(key, 1);
+ if(quit) goto break_evloop;
}
- if(quit) goto break_evloop;
- if(use_mouse) {
+ if(opt.mouse) {
mouse_bmask = read_mouse(&mouse_x, &mouse_y);
}
+ if(use_sball && sball_pending()) {
+ sball_event ev;
+ while(sball_getevent(&ev)) {
+ handle_sball_event(&ev);
+ }
+ recalc_sball_matrix(sball_matrix);
+ }
time_msec = get_msec();
demo_draw();
}
break_evloop:
- set_text_mode();
demo_cleanup();
+ set_text_mode();
+ cleanup_video();
kb_shutdown();
- return 0;
+ au_shutdown();
+ if(use_sball) {
+ sball_shutdown();
+ }
+ return status;
}
void demo_quit(void)
quit = 1;
}
-void swap_buffers(void *pixels)
+#define TX(ev) ((ev)->motion.motion[0])
+#define TY(ev) ((ev)->motion.motion[1])
+#define TZ(ev) ((ev)->motion.motion[2])
+#define RX(ev) ((ev)->motion.motion[3])
+#define RY(ev) ((ev)->motion.motion[4])
+#define RZ(ev) ((ev)->motion.motion[5])
+
+static int handle_sball_event(sball_event *ev)
{
- /* TODO implement page flipping */
- if(pixels) {
- /*wait_vsync();*/
- drawFps(pixels);
- memcpy(vmem_front, pixels, fbsize);
- } else {
- drawFps(vmem_back);
+ switch(ev->type) {
+ case SBALL_EV_MOTION:
+ if(RX(ev) | RY(ev) | RZ(ev)) {
+ float rx = (float)RX(ev);
+ float ry = (float)RY(ev);
+ float rz = (float)RZ(ev);
+ float axis_len = sqrt(rx * rx + ry * ry + rz * rz);
+ if(axis_len > 0.0) {
+ rot = quat_rotate(rot, axis_len * 0.001, -rx / axis_len,
+ -ry / axis_len, -rz / axis_len);
+ }
+ }
+
+ pos.x += TX(ev) * 0.001;
+ pos.y += TY(ev) * 0.001;
+ pos.z += TZ(ev) * 0.001;
+ break;
+
+ case SBALL_EV_BUTTON:
+ if(ev->button.pressed) {
+ pos = v3_cons(0, 0, 0);
+ rot = quat_cons(1, 0, 0, 0);
+ }
+ break;
}
+
+ return 0;
+}
+
+void recalc_sball_matrix(float *xform)
+{
+ quat_to_mat(xform, rot);
+ xform[12] = pos.x;
+ xform[13] = pos.y;
+ xform[14] = pos.z;
}