#include <stdio.h>
#include <stdlib.h>
+#include <math.h>
#include <limits.h>
#include <SDL/SDL.h>
#include "demo.h"
+#include "tinyfps.h"
+#include "timer.h"
+#include "cfgopt.h"
+#include "sball.h"
+#include "vmath.h"
static void handle_event(SDL_Event *ev);
+static void toggle_fullscreen(void);
+
+static int handle_sball_event(sball_event *ev);
+static void recalc_sball_matrix(float *xform);
+
+static int sdlkey_to_demokey(int sdlkey, unsigned int mod);
+
static int quit;
-static long start_time;
static SDL_Surface *fbsurf;
static int fbscale = 2;
static int xsz, ysz;
+static unsigned int sdl_flags = SDL_SWSURFACE;
+
+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)
{
- int s, i, j;
+ int s;
char *env;
- unsigned short *sptr, *dptr;
- unsigned int sdl_flags = SDL_SWSURFACE;
if((env = getenv("FBSCALE")) && (s = atoi(env))) {
fbscale = s;
printf("Framebuffer scaling x%d\n", fbscale);
}
- xsz = fb_width * fbscale;
- ysz = fb_height * fbscale;
+ xsz = FB_WIDTH * fbscale;
+ ysz = FB_HEIGHT * fbscale;
- if(!(fb_pixels = malloc(fb_width * fb_height * fb_bpp / CHAR_BIT))) {
+ /* now start_loadscr sets up fb_pixels to the space used by the loading image,
+ * so no need to allocate another framebuffer
+ */
+#if 0
+ /* allocate 1 extra row as a guard band, until we fucking fix the rasterizer */
+ if(!(fb_pixels = malloc(FB_WIDTH * (FB_HEIGHT + 1) * FB_BPP / CHAR_BIT))) {
fprintf(stderr, "failed to allocate virtual framebuffer\n");
return 1;
}
- vmem_front = vmem_back = fb_pixels;
+#endif
- SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER);
- if(!(fbsurf = SDL_SetVideoMode(xsz, ysz, fb_bpp, sdl_flags))) {
- fprintf(stderr, "failed to set video mode %dx%d %dbpp\n", fb_width, fb_height, fb_bpp);
- free(fb_pixels);
+ SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER | SDL_INIT_NOPARACHUTE);
+ if(!(fbsurf = SDL_SetVideoMode(xsz, ysz, FB_BPP, sdl_flags))) {
+ fprintf(stderr, "failed to set video mode %dx%d %dbpp\n", FB_WIDTH, FB_HEIGHT, FB_BPP);
+ /*free(fb_pixels);*/
SDL_Quit();
return 1;
}
SDL_WM_SetCaption("dosdemo/SDL", 0);
+ SDL_ShowCursor(0);
time_msec = 0;
if(demo_init(argc, argv) == -1) {
- free(fb_pixels);
+ /*free(fb_pixels);*/
SDL_Quit();
return 1;
}
- start_time = SDL_GetTicks();
+ vmem = fb_pixels;
+
+ if(opt.sball && sball_init() == 0) {
+ use_sball = 1;
+ }
+
+ reset_timer();
while(!quit) {
SDL_Event ev;
if(quit) goto break_evloop;
}
- time_msec = SDL_GetTicks() - start_time;
- demo_draw();
-
- if(SDL_MUSTLOCK(fbsurf)) {
- SDL_LockSurface(fbsurf);
- }
-
- sptr = fb_pixels;
- dptr = fbsurf->pixels;
- for(i=0; i<fb_height; i++) {
- for(j=0; j<fb_width; j++) {
- int x, y;
- unsigned short pixel = *sptr++;
-
- for(y=0; y<fbscale; y++) {
- for(x=0; x<fbscale; x++) {
- dptr[y * xsz + x] = pixel;
- }
- }
- dptr += fbscale;
+ if(use_sball) {
+ while(sball_pending()) {
+ sball_event ev;
+ sball_getevent(&ev);
+ handle_sball_event(&ev);
}
- dptr += xsz * (fbscale - 1);
+ recalc_sball_matrix(sball_matrix);
}
- if(SDL_MUSTLOCK(fbsurf)) {
- SDL_UnlockSurface(fbsurf);
- }
- SDL_Flip(fbsurf);
+ time_msec = get_msec();
+ demo_draw();
}
break_evloop:
quit = 1;
}
+void wait_vsync(void)
+{
+ unsigned long start = SDL_GetTicks();
+ unsigned long until = (start | 0xf) + 1;
+ while(SDL_GetTicks() <= until);
+}
+
void swap_buffers(void *pixels)
{
- /* do nothing, all pointers point to the same buffer */
+ int i, j;
+ unsigned short *sptr, *dptr;
+
+ demo_post_draw(pixels ? pixels : fb_pixels);
+
+ if(opt.vsync) {
+ wait_vsync();
+ }
+
+ if(SDL_MUSTLOCK(fbsurf)) {
+ SDL_LockSurface(fbsurf);
+ }
+
+ sptr = fb_pixels;
+ dptr = (unsigned short*)fbsurf->pixels + (fbsurf->w - xsz) / 2;
+ for(i=0; i<FB_HEIGHT; i++) {
+ for(j=0; j<FB_WIDTH; j++) {
+ int x, y;
+ unsigned short pixel = *sptr++;
+
+ for(y=0; y<fbscale; y++) {
+ for(x=0; x<fbscale; x++) {
+ dptr[y * fbsurf->w + x] = pixel;
+ }
+ }
+ dptr += fbscale;
+ }
+ dptr += (fbsurf->w - FB_WIDTH) * fbscale;
+ }
+
+ if(SDL_MUSTLOCK(fbsurf)) {
+ SDL_UnlockSurface(fbsurf);
+ }
+ SDL_Flip(fbsurf);
+}
+
+static int bnmask(int sdlbn)
+{
+ switch(sdlbn) {
+ case SDL_BUTTON_LEFT:
+ return MOUSE_BN_LEFT;
+ case SDL_BUTTON_RIGHT:
+ return MOUSE_BN_RIGHT;
+ case SDL_BUTTON_MIDDLE:
+ return MOUSE_BN_MIDDLE;
+ default:
+ break;
+ }
+ return 0;
}
static void handle_event(SDL_Event *ev)
{
+ int key;
+
switch(ev->type) {
case SDL_QUIT:
quit = 1;
case SDL_KEYDOWN:
case SDL_KEYUP:
- demo_keyboard(ev->key.keysym.sym, ev->key.state == SDL_PRESSED ? 1 : 0);
+ if(ev->key.keysym.sym == SDLK_RETURN && (SDL_GetModState() & KMOD_ALT) &&
+ ev->key.state == SDL_PRESSED) {
+ toggle_fullscreen();
+ break;
+ }
+ key = sdlkey_to_demokey(ev->key.keysym.sym, ev->key.keysym.mod);
+ demo_keyboard(key, ev->key.state == SDL_PRESSED ? 1 : 0);
break;
case SDL_MOUSEMOTION:
break;
case SDL_MOUSEBUTTONDOWN:
- mouse_bmask |= 1 << ev->button.button;
+ mouse_bmask |= bnmask(ev->button.button);
if(0) {
case SDL_MOUSEBUTTONUP:
- mouse_bmask &= ~(1 << ev->button.button);
+ mouse_bmask &= ~bnmask(ev->button.button);
}
mouse_x = ev->button.x / fbscale;
mouse_y = ev->button.y / fbscale;
break;
}
}
+
+static void toggle_fullscreen(void)
+{
+ SDL_Surface *newsurf;
+ unsigned int newflags = sdl_flags ^ SDL_FULLSCREEN;
+
+ if(!(newsurf = SDL_SetVideoMode(xsz, ysz, FB_BPP, newflags))) {
+ fprintf(stderr, "failed to go %s\n", newflags & SDL_FULLSCREEN ? "fullscreen" : "windowed");
+ return;
+ }
+
+ fbsurf = newsurf;
+ sdl_flags = newflags;
+}
+
+
+
+#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)
+{
+ 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;
+}
+
+static void recalc_sball_matrix(float *xform)
+{
+ quat_to_mat(xform, rot);
+ xform[12] = pos.x;
+ xform[13] = pos.y;
+ xform[14] = pos.z;
+}
+
+#define SSORG '\''
+#define SSEND '`'
+static char symshift[] = {
+ '"', 0, 0, 0, 0, '<', '_', '>', '?',
+ ')', '!', '@', '#', '$', '%', '^', '&', '*', '(',
+ 0, ':', 0, '+', 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ '{', '|', '}', 0, 0, '~'
+};
+
+
+static int sdlkey_to_demokey(int sdlkey, unsigned int mod)
+{
+ if(sdlkey < 128) {
+ if(mod & (KMOD_SHIFT)) {
+ if(sdlkey >= 'a' && sdlkey <= 'z') {
+ sdlkey = toupper(sdlkey);
+ } else if(sdlkey >= SSORG && sdlkey <= SSEND) {
+ sdlkey = symshift[sdlkey - SSORG];
+ }
+ }
+ return sdlkey;
+ }
+ if(sdlkey < 256) return 0;
+ return sdlkey - 128;
+}
projects / dosdemo / blobdiff