thirdparty/scummvm
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Added voice support, and more (cd_)intro stuff + added myself to the README :)

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svn-id: r6768
This commit is contained in:
Joost Peters 2003-03-08 12:46:51 +00:00
parent 361e312a6c
commit 488ff8846e
10 changed files with 487 additions and 6 deletions
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91
sky/screen.cpp
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@ -25,7 +25,6 @@
#include "sky/skydefs.h"
#include "sky/sky.h"
#define FADE_JUMP 2
#define SCROLL_JUMP 16
#define VGA_COLOURS 256
@ -94,3 +93,93 @@ void SkyState::convertPalette(uint8 *inPal, uint8* outPal) { //convert 3 byte 0.
outPal[4 * i + 3] = 0x00;
}
}
//action = 0, simply fade out
//action = 1, scroll left
//action = 2, scroll right
void SkyState::fn_fade_down(uint8 action) {
if (action) {
//do scroll
} else {
int i = 32;
do {
palette_fadedown_helper((uint32 *)_palette, 256);
_system->set_palette(_palette, 0, 256);
_system->update_screen();
delay(10);
} while (--i);
}
}
void SkyState::palette_fadedown_helper(uint32 *pal, uint num) {
byte *p = (byte *)pal;
do {
if (p[0] >= 8)
p[0] -= 8;
else
p[0] = 0;
if (p[1] >= 8)
p[1] -= 8;
else
p[1] = 0;
if (p[2] >= 8)
p[2] -= 8;
else
p[2] = 0;
p += sizeof(uint32);
} while (--num);
}
void SkyState::paletteFadeUp(uint8 *pal) {
byte tmpPal[1024];
convertPalette(pal, tmpPal);
int i = 32;
do {
palette_fadeup_helper((uint32 *)_palette, (uint32 *)tmpPal, 256);
_system->set_palette(_palette, 0, 256);
_system->update_screen();
delay(10);
} while (--i);
}
void SkyState::palette_fadeup_helper(uint32 *realPal, uint32 *desiredPal, int num) {
byte *r = (byte *)realPal;
byte *d = (byte *)desiredPal;
do {
if (r[0] < d[0]-8)
r[0] += 8;
else
r[0] = d[0];
if (r[1] < d[1]-8)
r[1] += 8;
else
r[1] = d[1];
if (r[2] < d[2]-8)
r[2] += 8;
else
r[2] = d[2];
r += sizeof(uint32);
d += sizeof(uint32);
} while (--num);
}