#include "gfxutil.h"
#include "game.h"
-#define FADE_DUR 1024
+#define FADE_DUR 800
static void *logo;
static int logo_width, logo_height;
int intro_init(void)
{
- if(!(logo = img_load_pixels("data/msglogo.jpg", &logo_width, &logo_height, IMG_FMT_RGB24))) {
+ if(!(logo = img_load_pixels("data/msglogo.jpg", &logo_width, &logo_height, IMG_FMT_BGRA32))) {
fprintf(stderr, "failed to load logo image\n");
return -1;
}
void intro_start(void)
{
+ draw = intro_draw;
+ key_event = intro_keyb;
+
start_time = time_msec;
}
{
}
+void fade_image(void *dest, void *src, uint16_t fade);
+
void intro_draw(void)
{
- int i, j;
+ long tm;
uint16_t fade;
- unsigned char *src = logo;
- uint16_t *dest = fb_pixels;
- fade = (time_msec - start_time) * 256 / FADE_DUR;
- if(fade > 256) fade = 256;
+ tm = time_msec - start_time;
+ if(tm < FADE_DUR) {
+ fade = tm * 256 / FADE_DUR;
+ } else if(tm < FADE_DUR * 2) {
+ fade = 256;
+ } else if(tm < FADE_DUR * 3) {
+ fade = 256 - (tm - 2 * FADE_DUR) * 256 / FADE_DUR;
+ } else {
+ fade = 0;
+ menu_start();
+ return;
+ }
- for(i=0; i<fb_height; i++) {
- for(j=0; j<fb_width; j++) {
- uint16_t r = (uint16_t)*src++ * fade / 256;
- uint16_t g = (uint16_t)*src++ * fade / 256;
- uint16_t b = (uint16_t)*src++ * fade / 256;
+#ifdef USE_MMX
+ fade_image(fb_pixels, logo, fade);
+#else
+ {
+ int i, j;
+ uint32_t *src = logo;
+ uint16_t *dest = fb_pixels;
+ for(i=0; i<640*480; i++) {
+ uint32_t pix = *src++;
+ uint16_t r = (uint16_t)UNPACK_R32(pix) * fade / 256;
+ uint16_t g = (uint16_t)UNPACK_G32(pix) * fade / 256;
+ uint16_t b = (uint16_t)UNPACK_B32(pix) * fade / 256;
*dest++ = PACK_RGB16(r, g, b);
- src += 3;
}
}
+#endif
+
+ blit_frame(fb_pixels, 0);
}
void intro_keyb(int key, int pressed)
{
+ if(pressed) {
+ menu_start();
+ }
}