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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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.
*
*/
#include "common/winexe_pe.h"
#include "scumm/he/intern_he.h"
#include "scumm/he/moonbase/moonbase.h"
#include "scumm/he/moonbase/ai_main.h"
#ifdef USE_LIBCURL
#include "scumm/he/moonbase/net_main.h"
#endif
namespace Scumm {
Moonbase::Moonbase(ScummEngine_v100he *vm) : _vm(vm) {
_exe = new Common::PEResources();
initFOW();
_ai = new AI(_vm);
#ifdef USE_LIBCURL
_net = new Net(_vm);
#endif
}
Moonbase::~Moonbase() {
delete _exe;
delete _ai;
#ifdef USE_LIBCURL
delete _net;
#endif
}
int Moonbase::readFromArray(int array, int y, int x) {
_vm->VAR(_vm->VAR_U32_ARRAY_UNK) = array;
return _vm->readArray(_vm->VAR_U32_ARRAY_UNK, y, x);
}
void Moonbase::deallocateArray(int array) {
_vm->VAR(_vm->VAR_U32_ARRAY_UNK) = array;
return _vm->nukeArray(_vm->VAR_U32_ARRAY_UNK);
}
int Moonbase::callScummFunction(int scriptNumber, int paramCount,...) {
va_list va_params;
va_start(va_params, paramCount);
int args[25];
memset(args, 0, sizeof(args));
Common::String str;
str = Common::String::format("Moonbase::callScummFunction(%d, [", scriptNumber);
for (int i = 0; i < paramCount; i++) {
args[i] = va_arg(va_params, int);
str += Common::String::format("%d ", args[i]);
}
str += "])";
debug(3, "%s", str.c_str());
va_end(va_params);
_vm->runScript(scriptNumber, 0, 1, args);
return _vm->pop();
}
void Moonbase::blitT14WizImage(uint8 *dst, int dstw, int dsth, int dstPitch, const Common::Rect *clipBox,
uint8 *wizd, int x, int y, int rawROP, int paramROP) {
bool premulAlpa = false;
if (rawROP == 1)
premulAlpa = true;
Common::Rect clippedDstRect(dstw, dsth);
if (clipBox) {
Common::Rect clip(clipBox->left, clipBox->top, clipBox->right, clipBox->bottom);
if (clippedDstRect.intersects(clip)) {
clippedDstRect.clip(clip);
} else {
return;
}
}
int width = READ_LE_UINT16(wizd + 0x8 + 0);
int height = READ_LE_UINT16(wizd + 0x8 + 2);
Common::Rect srcLimitsRect(width, height);
Common::Rect dstOperation(x, y, x + width, y + height);
if (!clippedDstRect.intersects(dstOperation))
return;
Common::Rect clippedRect = clippedDstRect.findIntersectingRect(dstOperation);
int cx = clippedRect.right - clippedRect.left;
int cy = clippedRect.bottom - clippedRect.top;
int sx = ((clippedRect.left - x) + srcLimitsRect.left);
int sy = ((clippedRect.top - y) + srcLimitsRect.top);
dst += clippedRect.top * dstPitch + clippedRect.left * 2;
int headerSize = READ_LE_UINT32(wizd + 0x4);
uint8 *dataPointer = wizd + 0x8 + headerSize;
for (int i = 0; i < sy; i++) {
uint16 lineSize = READ_LE_UINT16(dataPointer + 0);
dataPointer += lineSize;
}
for (int i = 0; i < cy; i++) {
uint16 lineSize = READ_LE_UINT16(dataPointer + 0);
uint8 *singlesOffset = READ_LE_UINT16(dataPointer + 2) + dataPointer;
uint8 *quadsOffset = READ_LE_UINT16(dataPointer + 4) + dataPointer;
int pixels = 0;
byte *dst1 = dst;
byte *codes = dataPointer + 6;
while (1) {
int code = *codes - 2;
codes++;
if (code <= 0) { // quad or single
uint8 *src;
int cnt;
if (code == 0) { // quad
src = quadsOffset;
quadsOffset += 8;
cnt = 4; // 4 pixels
} else { // single
src = singlesOffset;
singlesOffset += 2;
cnt = 1;
}
for (int c = 0; c < cnt; c++) {
if (pixels >= sx) {
if (rawROP == 1) { // MMX_PREMUL_ALPHA_COPY
WRITE_LE_UINT16(dst1, READ_LE_UINT16(src));
} else if (rawROP == 2) { // MMX_ADDITIVE
uint16 color = READ_LE_UINT16(src);
uint16 orig = READ_LE_UINT16(dst1);
uint32 r = MIN<uint32>(0x7c00, (orig & 0x7c00) + (color & 0x7c00));
uint32 g = MIN<uint32>(0x03e0, (orig & 0x03e0) + (color & 0x03e0));
uint32 b = MIN<uint32>(0x001f, (orig & 0x001f) + (color & 0x001f));
WRITE_LE_UINT16(dst1, (r | g | b));
} else if (rawROP == 5) { // MMX_CHEAP_50_50
uint16 color = (READ_LE_UINT16(src) >> 1) & 0x3DEF;
uint16 orig = (READ_LE_UINT16(dst1) >> 1) & 0x3DEF;
WRITE_LE_UINT16(dst1, (color + orig));
}
dst1 += 2;
}
src += 2;
pixels++;
if (pixels >= cx + sx)
break;
}
} else { // skip
if ((code & 1) == 0) {
code >>= 1;
for (int j = 0; j < code; j++) {
if (pixels >= sx)
dst1 += 2;
pixels++;
if (pixels >= cx + sx)
break;
}
} else { // special case
if (pixels >= sx) {
int alpha = code >> 1;
uint16 color = READ_LE_UINT16(singlesOffset);
uint32 orig = READ_LE_UINT16(dst1);
if (!premulAlpa) {
WRITE_LE_UINT16(dst1, color); // ENABLE_PREMUL_ALPHA = 0
} else {
if (alpha > 32) {
alpha -= 32;
uint32 oR = orig & 0x7c00;
uint32 oG = orig & 0x03e0;
uint32 oB = orig & 0x1f;
uint32 dR = ((((color & 0x7c00) - oR) * alpha) >> 5) + oR;
uint32 dG = ((((color & 0x3e0) - oG) * alpha) >> 5) + oG;
uint32 dB = ((((color & 0x1f) - oB) * alpha) >> 5) + oB;
WRITE_LE_UINT16(dst1, (dR & 0x7c00) | (dG & 0x3e0) | (dB & 0x1f));
} else {
uint32 pix = ((orig << 16) | orig) & 0x3e07c1f;
pix = (((pix * alpha) & 0xffffffff) >> 5) & 0x3e07c1f;
pix = ((pix >> 16) + pix + color) & 0xffff;
WRITE_LE_UINT16(dst1, pix);
}
}
dst1 += 2;
}
singlesOffset += 2;
pixels++;
}
}
if (pixels >= cx + sx)
break;
}
dataPointer += lineSize;
dst += dstPitch;
}
}
} // End of namespace Scumm
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