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/* ScummVM - Scumm Interpreter
* Copyright (C) 2006 The ScummVM project
*
* cinE Engine is (C) 2004-2005 by CinE Team
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
#include "cine/cine.h"
byte *screenBuffer;
uint16 c_palette[256];
unsigned char *page0;
unsigned char *page1;
unsigned char *page2;
unsigned char *page3;
uint8 page1Raw[320 * 200];
uint8 page2Raw[320 * 200];
uint8 page3Raw[320 * 200];
void init_video() {
screenBuffer = (byte *)malloc(320 * 200 * 3);
assert(screenBuffer);
page0 = (unsigned char *)malloc(0x8000);
page1 = (unsigned char *)malloc(0x8000);
page2 = (unsigned char *)malloc(0x8000);
page3 = (unsigned char *)malloc(0x8000);
}
uint16 transformColor(uint16 baseColor, int8 r, int8 g, int8 b) {
int8 oriR = (baseColor & 0x7);
int8 oriG = (baseColor & 0x70) >> 4;
int8 oriB = (baseColor & 0x700) >> 8;
oriR += r;
oriG += g;
oriB += b;
if (oriR < 0)
oriR = 0;
else if (oriR > 7)
oriR = 7;
if (oriG < 0)
oriG = 0;
else if (oriG > 7)
oriG = 7;
if (oriB < 0)
oriB = 0;
else if (oriB > 7)
oriB = 7;
return (oriR | (oriG << 4) | (oriB << 8));
}
void transformPaletteRange(uint8 startColor, uint8 stopColor, int8 r, int8 g, int8 b) {
uint8 i;
for (i = startColor; i <= stopColor; i++) {
c_palette[i] = transformColor(tempPalette[i], b, g, r);
}
//gfxFlipPage(page2);
}
void gfxFillSprite(uint8 *spritePtr, uint16 width, uint16 height, uint8 *page, int16 x, int16 y) {
int16 i;
int16 j;
for (i = 0; i < height; i++) {
uint8 *destPtr = page + x + y * 320;
destPtr += i * 320;
for (j = 0; j < width * 8; j++) {
if (x + j >= 0 && x + j < 320 && i + y >= 0
&& i + y < 200) {
if (!*(spritePtr++)) {
*(destPtr++) = 0;
} else {
destPtr++;
}
} else {
destPtr++;
spritePtr++;
}
}
}
}
void gfxDrawLine(int16 x1, int16 y1, int16 x2, int16 y2, uint8 color, uint8 *page) {
if (x1 == x2) {
if (y1 > y2) {
SWAP(y1, y2);
}
while (y1 <= y2) {
*(page + (y1 * 320 + x1)) = color;
y1++;
}
} else {
if (x1 > x2) {
SWAP(x1, x2);
}
while (x1 <= x2) {
*(page + (y1 * 320 + x1)) = color;
x1++;
}
}
}
void gfxDrawPlainBoxRaw(int16 x1, int16 y1, int16 x2, int16 y2, uint8 color, uint8 *page) {
int16 t;
if (x1 > x2) {
SWAP(x1, x2);
}
if (y1 > y2) {
SWAP(y1, y2);
}
t = x1;
while (y1 <= y2) {
x1 = t;
while (x1 <= x2) {
*(page + y1 * 320 + x1) = color;
x1++;
}
y1++;
}
}
int16 gfxGetBit(int16 x, int16 y, uint8 *ptr, int16 width) {
uint8 *ptrToData = (ptr) + y * width + x;
if (x > width) {
return 0;
}
if (*ptrToData) {
return 0;
}
return (1);
}
void gfxResetRawPage(uint8 *pageRaw) {
memset(pageRaw, 0, 320 * 200);
}
void gfxConvertSpriteToRaw(uint8 *dst, uint8 *src, uint16 width, uint16 height) {
int x, y, d, bit, plane;
width >>= 3;
for (y = 0; y < height; y++) {
for (x = 0; x < width; x++) {
uint8 data[2][4];
data[0][0] = *src++;
data[1][0] = *src++;
data[0][1] = *src++;
data[1][1] = *src++;
data[0][2] = *src++;
data[1][2] = *src++;
data[0][3] = *src++;
data[1][3] = *src++;
for (d = 0; d < 2; ++d) {
for (bit = 0; bit < 8; ++bit) {
uint8 color = 0;
for (plane = 0; plane < 4; ++plane) {
if (data[d][plane] & (1 << (7 - bit))) {
color |= 1 << plane;
}
}
*dst++ = color;
}
}
}
}
}
void gfxCopyRawPage(uint8 *source, uint8 *dest) {
memcpy(dest, source, 320 * 200);
}
void gfxFlipRawPage(uint8 *frontBuffer) {
uint8 *page = frontBuffer;
int x, y;
uint8 *pixels = (uint8 *) screenBuffer;
byte c;
for (y = 0; y < 200; y++) {
for (x = 0; x < 320; x++) {
c = *(page++);
if (!colorMode256) {
c = c & 15;
}
pixels[x + 0 + y * 320] = c;
}
}
byte pal[256 * 4];
int i;
if (colorMode256) {
for (i = 0; i < 256; i++) {
pal[i * 4 + 0] = palette256[i * 3 + 0];
pal[i * 4 + 1] = palette256[i * 3 + 1];
pal[i * 4 + 2] = palette256[i * 3 + 2];
pal[i * 4 + 3] = 0;
}
g_system->setPalette(pal, 0, 256);
} else {
for (i = 0; i < 16; i++) {
pal[i * 4 + 2] = ((c_palette[i] & 0x00f) >> 0) * 255 / 7;
pal[i * 4 + 1] = ((c_palette[i] & 0x0f0) >> 4) * 255 / 7;
pal[i * 4 + 0] = ((c_palette[i] & 0xf00) >> 8) * 255 / 7;
pal[i * 4 + 3] = 0;
}
g_system->setPalette(pal, 0, 16);
}
g_system->copyRectToScreen(screenBuffer, 320, 0, 0, 320, 200);
g_system->updateScreen();
g_system->delayMillis(100);
}
void drawSpriteRaw(uint8 *spritePtr, uint8 *maskPtr, int16 width, int16 height,
uint8 *page, int16 x, int16 y) {
int16 i;
int16 j;
for (i = 0; i < height; i++) {
uint8 *destPtr = page + x + y * 320;
destPtr += i * 320;
for (j = 0; j < width * 8; j++) {
if (((gameType == Cine::GID_FW && !(*maskPtr)) || (gameType == Cine::GID_OS)) && (x + j >= 0
&& x + j < 320 && i + y >= 0 && i + y < 200)) {
*(destPtr++) = *(spritePtr++);
} else {
destPtr++;
spritePtr++;
}
maskPtr++;
}
}
}
void drawSpriteRaw2(uint8 *spritePtr, uint8 transColor, int16 width, int16 height,
uint8 *page, int16 x, int16 y) {
int16 i;
int16 j;
for (i = 0; i < height; i++) {
uint8 *destPtr = page + x + y * 320;
destPtr += i * 320;
for (j = 0; j < width * 8; j++) {
if ((*(spritePtr) != transColor) && (x + j >= 0 && x + j < 320 && i + y >= 0 && i + y < 200)) {
*(destPtr++) = *(spritePtr++);
} else {
destPtr++;
spritePtr++;
}
}
}
}
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