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SLUDGE: Complete snapshot

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This commit is contained in:
Simei Yin 2017-07-15 15:33:43 +02:00
parent fe1617ac51
commit c25a6ba4af
2 changed files with 14 additions and 101 deletions
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112
engines/sludge/backdrop.cpp
View File

@ -32,6 +32,8 @@
#include "sludge/fileset.h"
#include "sludge/backdrop.h"
#include "sludge/moreio.h"
#include "sludge/statusba.h"
#include "sludge/talk.h"
#include "sludge/zbuffer.h"
#include "sludge/graphics.h"
#include "sludge/sludge.h"
@ -61,6 +63,7 @@ extern int zBufferToSet;
Graphics::Surface lightMap;
Graphics::Surface backdropSurface;
Graphics::Surface snapshotSurface;
float snapTexW = 1.0;
float snapTexH = 1.0;
@ -77,127 +80,40 @@ extern int cameraX, cameraY;
extern float cameraZoom;
void nosnapshot() {
#if 0
deleteTextures(1, &snapshotTextureName);
snapshotTextureName = 0;
#endif
if (snapshotSurface.getPixels())
snapshotSurface.free();
}
void saveSnapshot(Common::WriteStream *stream) {
#if 0
if (snapshotTextureName) {
if (snapshotSurface.getPixels()) {
stream->writeByte(1); // 1 for snapshot follows
saveCoreHSI(stream, snapshotTextureName, winWidth, winHeight);
Image::writePNG(*stream, snapshotSurface);
} else {
stream->writeByte(0);
}
#endif
}
bool snapshot() {
nosnapshot();
if (!freeze())
return false;
#if 0
setPixelCoords(true);
glGenTextures(1, &snapshotTextureName);
int w = winWidth;
int h = winHeight;
if (!NPOT_textures) {
w = getNextPOT(winWidth);
h = getNextPOT(winHeight);
snapTexW = ((double)winWidth) / w;
snapTexH = ((double)winHeight) / h;
}
glBindTexture(GL_TEXTURE_2D, snapshotTextureName);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
texImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0, snapshotTextureName);
// Render scene
glDepthMask(GL_TRUE);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);// Clear The Screen
glDepthMask(GL_FALSE);
drawBackDrop();// Draw the room
drawZBuffer(cameraX, cameraY, false);
glEnable(GL_DEPTH_TEST);
drawPeople();// Then add any moving characters...
glDisable(GL_DEPTH_TEST);
viewSpeech();// ...and anything being said
// draw snapshot to backdrop
displayBase();
viewSpeech(); // ...and anything being said
drawStatusBar();
// Copy Our ViewPort To The Texture
copyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, viewportOffsetX, viewportOffsetY, winWidth, winHeight, snapshotTextureName);
setPixelCoords(false);
#endif
// copy backdrop to snapshot
snapshotSurface.copyFrom(backdropSurface);
unfreeze(false);
return true;
}
bool restoreSnapshot(Common::SeekableReadStream *stream) {
uint picWidth = stream->readUint16BE();
uint picHeight = stream->readUint16BE();
if ((picWidth != winWidth) || (picHeight != winHeight))
if (!(ImgLoader::loadImage(stream, &snapshotSurface))) {
return false;
#if 0
uint t1, t2, n;
uint16 c;
GLubyte *target;
if (!NPOT_textures) {
picWidth = getNextPOT(picWidth);
picHeight = getNextPOT(picHeight);
snapTexW = ((double)winWidth) / picWidth;
snapTexH = ((double)winHeight) / picHeight;
}
GLubyte *snapshotTexture = new GLubyte [picHeight * picWidth * 4];
if (!snapshotTexture) return fatal("Out of memory while restoring snapshot.");
for (t2 = 0; t2 < winHeight; t2++) {
t1 = 0;
while (t1 < winWidth) {
c = (uint16)stream->readUint16BE();
if (c & 32) {
n = stream->readByte() + 1;
c -= 32;
} else {
n = 1;
}
while (n --) {
target = snapshotTexture + 4 * picWidth * t2 + t1 * 4;
target[0] = (GLubyte) redValue(c);
target[1] = (GLubyte) greenValue(c);
target[2] = (GLubyte) blueValue(c);
target[3] = (GLubyte) 255;
t1++;
}
}
}
if (!snapshotTextureName) glGenTextures(1, &snapshotTextureName);
glBindTexture(GL_TEXTURE_2D, snapshotTextureName);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
texImage2D(GL_TEXTURE_2D, 0, GL_RGBA, picWidth, picHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, snapshotTexture, snapshotTextureName);
delete snapshotTexture;
snapshotTexture = NULL;
#endif
return true;
}

3
engines/sludge/backdrop.h
View File

@ -58,9 +58,6 @@ void drawBackDrop();
void blankScreen(int x1, int y1, int x2, int y2);
void darkScreen();
void saveHSI(Common::WriteStream *stream);
#if 0
void saveCoreHSI(Common::WriteStream *stream, GLuint texture, int w, int h);
#endif
bool loadHSI(Common::SeekableReadStream *stream, int, int, bool);
bool mixHSI(Common::SeekableReadStream *stream, int x = 0, int y = 0);
void drawHorizontalLine(uint, uint, uint);