mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-14 21:59:17 +00:00
352 lines
11 KiB
C++
352 lines
11 KiB
C++
/* 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 3 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, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
|
|
#include "common/debug.h"
|
|
#include "common/file.h"
|
|
|
|
#include "sludge/graphics.h"
|
|
#include "sludge/newfatal.h"
|
|
#include "sludge/variable.h"
|
|
|
|
namespace Sludge {
|
|
|
|
#if 0
|
|
// Raised
|
|
static int s_matrixEffectDivide = 2;
|
|
static int s_matrixEffectWidth = 3;
|
|
static int s_matrixEffectHeight = 3;
|
|
static int s_matrixEffectData[9] = {0, 0, 0, 0, -1, 0, 0, 0, 2};
|
|
static int s_matrixEffectBase = 0;
|
|
#elif 0
|
|
// Stay put
|
|
static int s_matrixEffectDivide = 1;
|
|
static int s_matrixEffectWidth = 3;
|
|
static int s_matrixEffectHeight = 3;
|
|
static int s_matrixEffectData[9] = {0, 0, 0, 0, 1, 0, 0, 0, 0};
|
|
static int s_matrixEffectBase = 0;
|
|
#elif 0
|
|
// Brighten
|
|
static int s_matrixEffectDivide = 9;
|
|
static int s_matrixEffectWidth = 1;
|
|
static int s_matrixEffectHeight = 1;
|
|
static int s_matrixEffectData[9] = {10};
|
|
static int s_matrixEffectBase = 15;
|
|
#elif 0
|
|
// Raised up/left
|
|
static int s_matrixEffectDivide = 4;
|
|
static int s_matrixEffectWidth = 3;
|
|
static int s_matrixEffectHeight = 3;
|
|
static int s_matrixEffectData[9] = {-2, -1, 0, -1, 1, 1, 0, 1, 2};
|
|
static int s_matrixEffectBase = 16;
|
|
#elif 0
|
|
// Standard emboss
|
|
static int s_matrixEffectDivide = 2;
|
|
static int s_matrixEffectWidth = 3;
|
|
static int s_matrixEffectHeight = 3;
|
|
static int s_matrixEffectData[9] = {-1, 0, 0, 0, 0, 0, 0, 0, 1};
|
|
static int s_matrixEffectBase = 128;
|
|
#elif 0
|
|
// Horizontal blur
|
|
static int s_matrixEffectDivide = 11;
|
|
static int s_matrixEffectWidth = 5;
|
|
static int s_matrixEffectHeight = 1;
|
|
static int s_matrixEffectData[9] = {1, 3, 3, 3, 1};
|
|
static int s_matrixEffectBase = 0;
|
|
#elif 0
|
|
// Double vision
|
|
static int s_matrixEffectDivide = 6;
|
|
static int s_matrixEffectWidth = 13;
|
|
static int s_matrixEffectHeight = 2;
|
|
static int s_matrixEffectData[26] = {2, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3};
|
|
static int s_matrixEffectBase = 0;
|
|
#elif 0
|
|
// Negative
|
|
static int s_matrixEffectDivide = 1;
|
|
static int s_matrixEffectWidth = 1;
|
|
static int s_matrixEffectHeight = 1;
|
|
static int s_matrixEffectData[9] = {-1};
|
|
static int s_matrixEffectBase = 255;
|
|
#elif 0
|
|
// Fog
|
|
static int s_matrixEffectDivide = 4;
|
|
static int s_matrixEffectWidth = 1;
|
|
static int s_matrixEffectHeight = 1;
|
|
static int s_matrixEffectData[9] = {3};
|
|
static int s_matrixEffectBase = 45;
|
|
#elif 0
|
|
// Blur
|
|
static int s_matrixEffectDivide = 14;
|
|
static int s_matrixEffectWidth = 3;
|
|
static int s_matrixEffectHeight = 3;
|
|
static int s_matrixEffectData[9] = {1, 2, 1, 2, 2, 2, 1, 2, 1};
|
|
static int s_matrixEffectBase = 0;
|
|
#else
|
|
static int s_matrixEffectDivide = 0;
|
|
static int s_matrixEffectWidth = 0;
|
|
static int s_matrixEffectHeight = 0;
|
|
static int *s_matrixEffectData = NULL;
|
|
static int s_matrixEffectBase = 0;
|
|
#endif
|
|
|
|
void GraphicsManager::blur_saveSettings(Common::WriteStream *stream) {
|
|
if (s_matrixEffectData) {
|
|
stream->writeUint32LE(s_matrixEffectDivide);
|
|
stream->writeUint32LE(s_matrixEffectWidth);
|
|
stream->writeUint32LE(s_matrixEffectHeight);
|
|
stream->writeUint32LE(s_matrixEffectBase);
|
|
stream->write(s_matrixEffectData, sizeof(int) * s_matrixEffectWidth * s_matrixEffectHeight);
|
|
} else {
|
|
stream->writeUint32LE(0);
|
|
stream->writeUint32LE(0);
|
|
stream->writeUint32LE(0);
|
|
stream->writeUint32LE(0);
|
|
}
|
|
}
|
|
|
|
static int *blur_allocateMemoryForEffect() {
|
|
free(s_matrixEffectData);
|
|
s_matrixEffectData = NULL;
|
|
|
|
if (s_matrixEffectWidth && s_matrixEffectHeight) {
|
|
s_matrixEffectData = (int *)malloc(sizeof(int) * s_matrixEffectHeight * s_matrixEffectWidth);
|
|
checkNew(s_matrixEffectData);
|
|
}
|
|
return s_matrixEffectData;
|
|
}
|
|
|
|
void GraphicsManager::blur_loadSettings(Common::SeekableReadStream *stream) {
|
|
s_matrixEffectDivide = stream->readUint32LE();
|
|
s_matrixEffectWidth = stream->readUint32LE();
|
|
s_matrixEffectHeight = stream->readUint32LE();
|
|
s_matrixEffectBase = stream->readUint32LE();
|
|
|
|
if (blur_allocateMemoryForEffect()) {
|
|
uint bytes_read = stream->read(s_matrixEffectData, sizeof(int) * s_matrixEffectWidth * s_matrixEffectHeight);
|
|
if (bytes_read != sizeof(int) * s_matrixEffectWidth * s_matrixEffectHeight && stream->err()) {
|
|
debug("Reading error in blur_loadSettings.");
|
|
}
|
|
} else {
|
|
stream->seek(sizeof(int) * s_matrixEffectWidth * s_matrixEffectHeight, SEEK_CUR);
|
|
}
|
|
}
|
|
|
|
bool GraphicsManager::blur_createSettings(int numParams, VariableStack *&stack) {
|
|
bool createNullThing = true;
|
|
Common::String error = "";
|
|
|
|
if (numParams >= 3) {
|
|
// PARAMETERS: base, divide, stack (, stack (, stack...))
|
|
|
|
int height = numParams - 2;
|
|
int width = 0;
|
|
|
|
VariableStack *justToCheckSizes = stack;
|
|
for (int a = 0; a < height; a++) {
|
|
if (justToCheckSizes->thisVar.varType != SVT_STACK) {
|
|
error = "Third and subsequent parameters in setBackgroundEffect should be arrays";
|
|
break;
|
|
} else {
|
|
int w = justToCheckSizes->thisVar.varData.theStack->getStackSize();
|
|
if (a) {
|
|
if (w != width) {
|
|
error = "Arrays in setBackgroundEffect must be the same size";
|
|
break;
|
|
}
|
|
if (w < width) {
|
|
width = w;
|
|
}
|
|
} else {
|
|
width = w;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (width == 0 && error.empty()) {
|
|
error = "Empty arrays found in setBackgroundEffect parameters";
|
|
}
|
|
|
|
if (error.empty()) {
|
|
s_matrixEffectWidth = width;
|
|
s_matrixEffectHeight = height;
|
|
|
|
if (blur_allocateMemoryForEffect()) {
|
|
for (int y = height - 1; y >= 0; y--) {
|
|
VariableStack *eachNumber = stack->thisVar.varData.theStack->first;
|
|
if (error.empty()) {
|
|
for (int x = 0; x < width; x++) {
|
|
int arraySlot = x + (y * width);
|
|
// s_matrixEffectData[arraySlot] = (rand() % 4);
|
|
if (!eachNumber->thisVar.getValueType(s_matrixEffectData[arraySlot], SVT_INT)) {
|
|
error = "";
|
|
break;
|
|
}
|
|
eachNumber = eachNumber->next;
|
|
}
|
|
trimStack(stack);
|
|
}
|
|
}
|
|
if (error.empty() && !stack->thisVar.getValueType(s_matrixEffectDivide, SVT_INT))
|
|
error = "";
|
|
trimStack(stack);
|
|
if (error.empty() && !stack->thisVar.getValueType(s_matrixEffectBase, SVT_INT))
|
|
error = "";
|
|
trimStack(stack);
|
|
if (error.empty()) {
|
|
if (s_matrixEffectDivide) {
|
|
createNullThing = false;
|
|
} else {
|
|
error = "Second parameter of setBackgroundEffect (the 'divide' value) should not be 0!";
|
|
}
|
|
}
|
|
} else {
|
|
error = "Couldn't allocate memory for effect";
|
|
}
|
|
}
|
|
} else {
|
|
if (numParams) {
|
|
error = "setBackgroundEffect should either have 0 parameters or more than 2";
|
|
}
|
|
}
|
|
|
|
if (createNullThing) {
|
|
s_matrixEffectDivide = 0;
|
|
s_matrixEffectWidth = 0;
|
|
s_matrixEffectHeight = 0;
|
|
s_matrixEffectBase = 0;
|
|
delete s_matrixEffectData;
|
|
s_matrixEffectData = NULL;
|
|
}
|
|
|
|
if (!error.empty()) {
|
|
fatal(error);
|
|
}
|
|
|
|
return !createNullThing;
|
|
}
|
|
|
|
static inline void blur_createSourceLine(byte *createLine, byte *fromLine, int overlapOnLeft, int width) {
|
|
int miniX;
|
|
memcpy(createLine + overlapOnLeft * 4, fromLine, width * 4);
|
|
|
|
for (miniX = 0; miniX < overlapOnLeft; miniX++) {
|
|
createLine[miniX * 4] = fromLine[1];
|
|
createLine[miniX * 4 + 1] = fromLine[2];
|
|
createLine[miniX * 4 + 2] = fromLine[3];
|
|
}
|
|
|
|
for (miniX = width + overlapOnLeft; miniX < width + s_matrixEffectWidth - 1; miniX++) {
|
|
createLine[miniX * 4] = fromLine[width * 4 - 3];
|
|
createLine[miniX * 4 + 1] = fromLine[width * 4 - 2];
|
|
createLine[miniX * 4 + 2] = fromLine[width * 4 - 1];
|
|
}
|
|
}
|
|
|
|
bool GraphicsManager::blurScreen() {
|
|
if (s_matrixEffectWidth && s_matrixEffectHeight && s_matrixEffectDivide && s_matrixEffectData) {
|
|
byte *thisLine;
|
|
int y, x;
|
|
bool ok = true;
|
|
int overlapOnLeft = s_matrixEffectWidth / 2;
|
|
int overlapAbove = s_matrixEffectHeight / 2;
|
|
|
|
byte **sourceLine = new byte *[s_matrixEffectHeight];
|
|
if (!checkNew(sourceLine))
|
|
return false;
|
|
|
|
for (y = 0; y < s_matrixEffectHeight; y++) {
|
|
sourceLine[y] = new byte[(s_matrixEffectWidth - 1 + _sceneWidth) * 4];
|
|
ok &= (sourceLine[y] != NULL);
|
|
}
|
|
|
|
if (ok) {
|
|
for (y = 0; y < s_matrixEffectHeight; y++) {
|
|
int miniY = CLIP<int>(y - overlapAbove - 1, 0, _sceneHeight - 1);
|
|
|
|
blur_createSourceLine(sourceLine[y], (byte *)_backdropSurface.getBasePtr(0, miniY), overlapOnLeft, _sceneWidth);
|
|
}
|
|
|
|
for (y = 0; y < (int)_sceneHeight; y++) {
|
|
thisLine = (byte *)_backdropSurface.getBasePtr(0, y);
|
|
|
|
//-------------------------
|
|
// Scroll source lines
|
|
//-------------------------
|
|
byte *tempLine = sourceLine[0];
|
|
for (int miniY = 0; miniY < s_matrixEffectHeight - 1; miniY++) {
|
|
sourceLine[miniY] = sourceLine[miniY + 1];
|
|
}
|
|
sourceLine[s_matrixEffectHeight - 1] = tempLine;
|
|
{
|
|
int h = s_matrixEffectHeight - 1;
|
|
int miniY = CLIP<int>(y + (s_matrixEffectHeight - overlapAbove - 1), 0, _sceneHeight - 1);
|
|
|
|
blur_createSourceLine(sourceLine[h], (byte *)_backdropSurface.getBasePtr(0, miniY), overlapOnLeft, _sceneWidth);
|
|
}
|
|
for (x = 0; x < (int)_sceneWidth; x++) {
|
|
int totalRed = 0;
|
|
int totalGreen = 0;
|
|
int totalBlue = 0;
|
|
int *matrixElement = s_matrixEffectData;
|
|
for (int miniY = 0; miniY < s_matrixEffectHeight; ++miniY) {
|
|
byte *pixel = &sourceLine[miniY][x * 4];
|
|
for (int miniX = 0; miniX < s_matrixEffectWidth; ++miniX) {
|
|
|
|
totalRed += pixel[1] **matrixElement;
|
|
totalGreen += pixel[2] **matrixElement;
|
|
totalBlue += pixel[3] **matrixElement;
|
|
++matrixElement;
|
|
pixel += 4;
|
|
}
|
|
}
|
|
totalRed = (totalRed + s_matrixEffectDivide / 2) / s_matrixEffectDivide + s_matrixEffectBase;
|
|
totalRed = (totalRed < 0) ? 0 : ((totalRed > 255) ? 255 : totalRed);
|
|
|
|
totalGreen = (totalGreen + s_matrixEffectDivide / 2) / s_matrixEffectDivide + s_matrixEffectBase;
|
|
totalGreen = (totalGreen < 0) ? 0 : ((totalGreen > 255) ? 255 : totalGreen);
|
|
|
|
totalBlue = (totalBlue + s_matrixEffectDivide / 2) / s_matrixEffectDivide + s_matrixEffectBase;
|
|
totalBlue = (totalBlue < 0) ? 0 : ((totalBlue > 255) ? 255 : totalBlue);
|
|
|
|
// *thisLine = totalAlpha;
|
|
++thisLine;
|
|
*thisLine = totalRed;
|
|
++thisLine;
|
|
*thisLine = totalGreen;
|
|
++thisLine;
|
|
*thisLine = totalBlue;
|
|
++thisLine;
|
|
}
|
|
}
|
|
}
|
|
|
|
for (y = 0; y < s_matrixEffectHeight; y++) {
|
|
delete sourceLine[y];
|
|
}
|
|
delete[] sourceLine;
|
|
sourceLine = NULL;
|
|
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
} // End of namespace Sludge
|