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Added 3 different Amiga AGI palettes (From oldest to newest). Changed initPalette so its easier to enable the usage of those palettes later.

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svn-id: r28114
This commit is contained in:
Kari Salminen 2007-07-15 21:33:28 +00:00
parent 86d015c055
commit 16529e58e6
2 changed files with 106 additions and 30 deletions
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132
engines/agi/graphics.cpp
View File

@ -67,6 +67,93 @@ uint8 egaPalette[16 * 3] = {
0x3f, 0x3f, 0x3f
};
/**
* First generation Amiga AGI palette.
* A 16-color, 12-bit RGB palette.
*
* Used by at least the following Amiga AGI versions:
* 2.082 (King's Quest I v1.0U 1986)
* 2.082 (Space Quest I v1.2 1986)
* 2.090 (King's Quest III v1.01 1986-11-08)
* 2.107 (King's Quest II v2.0J 1987-01-29)
* x.yyy (Black Cauldron v2.00 1987-06-14)
* x.yyy (Larry I v1.05 1987-06-26)
*/
uint8 amigaAgiPaletteV1[16 * 3] = {
0x0, 0x0, 0x0,
0x0, 0x0, 0xF,
0x0, 0x8, 0x0,
0x0, 0xD, 0xB,
0xC, 0x0, 0x0,
0xB, 0x7, 0xD,
0x8, 0x5, 0x0,
0xB, 0xB, 0xB,
0x7, 0x7, 0x7,
0x0, 0xB, 0xF,
0x0, 0xE, 0x0,
0x0, 0xF, 0xD,
0xF, 0x9, 0x8,
0xF, 0x7, 0x0,
0xE, 0xE, 0x0,
0xF, 0xF, 0xF
};
/**
* Second generation Amiga AGI palette.
* A 16-color, 12-bit RGB palette.
*
* Used by at least the following Amiga AGI versions:
* 2.202 (Space Quest II v2.0F. Intro says 1988. ScummVM 0.10.0 detects as 1986-12-09)
*/
uint8 amigaAgiPaletteV2[16 * 3] = {
0x0, 0x0, 0x0,
0x0, 0x0, 0xF,
0x0, 0x8, 0x0,
0x0, 0xD, 0xB,
0xC, 0x0, 0x0,
0xB, 0x7, 0xD,
0x8, 0x5, 0x0,
0xB, 0xB, 0xB,
0x7, 0x7, 0x7,
0x0, 0xB, 0xF,
0x0, 0xE, 0x0,
0x0, 0xF, 0xD,
0xF, 0x9, 0x8,
0xD, 0x0, 0xF,
0xE, 0xE, 0x0,
0xF, 0xF, 0xF
};
/**
* Third generation Amiga AGI palette.
* A 16-color, 12-bit RGB palette.
*
* Used by at least the following Amiga AGI versions:
* 2.310 (Police Quest I v2.0B 1989-02-22)
* 2.316 (Gold Rush! v2.05 1989-03-09)
* x.yyy (Manhunter I v1.06 1989-03-18)
* 2.333 (Manhunter II v3.06 1989-08-17)
* 2.333 (King's Quest III v2.15 1989-11-15)
*/
uint8 amigaAgiPaletteV3[16 * 3] = {
0x0, 0x0, 0x0,
0x0, 0x0, 0xB,
0x0, 0xB, 0x0,
0x0, 0xB, 0xB,
0xB, 0x0, 0x0,
0xB, 0x0, 0xB,
0xC, 0x7, 0x0,
0xB, 0xB, 0xB,
0x7, 0x7, 0x7,
0x0, 0x0, 0xF,
0x0, 0xF, 0x0,
0x0, 0xF, 0xF,
0xF, 0x0, 0x0,
0xF, 0x0, 0xF,
0xF, 0xF, 0x0,
0xF, 0xF, 0xF
};
/**
* 16 color amiga-ish palette.
*/
@ -656,39 +743,26 @@ int GfxMgr::keypress() {
/**
* Initialize the color palette
* This function initializes the color palette using the specified 16-color
* This function initializes the color palette using the specified
* RGB palette.
* @param p A pointer to the 16-color RGB palette.
* @param p A pointer to the source RGB palette.
* @param colorCount Count of colors in the source palette.
* @param fromBits Bits per source color component.
* @param toBits Bits per destination color component.
*/
void GfxMgr::initPalette(uint8 *p) {
int i;
for (i = 0; i < 48; i++) {
_palette[i] = p[i];
void GfxMgr::initPalette(uint8 *p, uint colorCount, uint fromBits, uint toBits) {
const uint srcMax = (1 << fromBits) - 1;
const uint destMax = (1 << toBits) - 1;
for (uint col = 0; col < colorCount; col++) {
for (uint comp = 0; comp < 3; comp++) { // Convert RGB components
_palette[col * 4 + comp] = (p[col * 3 + comp] * destMax) / srcMax;
}
_palette[col * 4 + 3] = 0; // Set alpha to zero
}
}
void GfxMgr::gfxSetPalette() {
int i;
byte pal[256 * 4];
if (!(_vm->getFeatures() & (GF_AGI256 | GF_AGI256_2))) {
for (i = 0; i < 16; i++) {
pal[i * 4 + 0] = _palette[i * 3 + 0] << 2;
pal[i * 4 + 1] = _palette[i * 3 + 1] << 2;
pal[i * 4 + 2] = _palette[i * 3 + 2] << 2;
pal[i * 4 + 3] = 0;
}
g_system->setPalette(pal, 0, 16);
} else {
for (i = 0; i < 256; i++) {
pal[i * 4 + 0] = vgaPalette[i * 3 + 0];
pal[i * 4 + 1] = vgaPalette[i * 3 + 1];
pal[i * 4 + 2] = vgaPalette[i * 3 + 2];
pal[i * 4 + 3] = 0;
}
g_system->setPalette(pal, 0, 256);
}
g_system->setPalette(_palette, 0, 256);
}
//Gets AGIPAL Data
@ -852,7 +926,9 @@ void GfxMgr::setCursor(bool amigaStyleCursor) {
* @see deinit_video()
*/
int GfxMgr::initVideo() {
if (_vm->_renderMode == Common::kRenderEGA)
if (_vm->getFeatures() & (GF_AGI256 | GF_AGI256_2))
initPalette(vgaPalette, 256, 8);
else if (_vm->_renderMode == Common::kRenderEGA)
initPalette(egaPalette);
else
initPalette(newPalette);

4
engines/agi/graphics.h
View File

@ -41,7 +41,7 @@ class GfxMgr {
private:
AgiEngine *_vm;
uint8 _palette[16 * 3];
uint8 _palette[256 * 4];
uint8 *_agiScreen;
unsigned char *_screen;
@ -83,7 +83,7 @@ public:
void drawRectangle(int, int, int, int, int);
void saveBlock(int, int, int, int, uint8 *);
void restoreBlock(int, int, int, int, uint8 *);
void initPalette(uint8 *);
void initPalette(uint8 *p, uint colorCount = 16, uint fromBits = 6, uint toBits = 8);
void setAGIPal(int);
int getAGIPalFileNum();
void drawFrame(int x1, int y1, int x2, int y2, int c1, int c2);