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Diffstat (limited to 'engines/sludge/backdrop.cpp')
-rw-r--r--engines/sludge/backdrop.cpp135
1 files changed, 69 insertions, 66 deletions
diff --git a/engines/sludge/backdrop.cpp b/engines/sludge/backdrop.cpp
index bb840b3497..929e67dea6 100644
--- a/engines/sludge/backdrop.cpp
+++ b/engines/sludge/backdrop.cpp
@@ -96,16 +96,16 @@ void nosnapshot() {
#endif
}
+void saveSnapshot(Common::WriteStream *stream) {
#if 0
-void saveSnapshot(FILE *fp) {
if (snapshotTextureName) {
- fputc(1, fp); // 1 for snapshot follows
- saveCoreHSI(fp, snapshotTextureName, winWidth, winHeight);
+ putch(1, stream); // 1 for snapshot follows
+ saveCoreHSI(stream, snapshotTextureName, winWidth, winHeight);
} else {
- fputc(0, fp);
+ putch(0, stream);
}
-}
#endif
+}
bool snapshot() {
@@ -157,17 +157,16 @@ bool snapshot() {
return true;
}
-#if 0
-bool restoreSnapshot(FILE *fp) {
- unsigned int picWidth = get2bytes(fp);
- unsigned int picHeight = get2bytes(fp);
+bool restoreSnapshot(Common::SeekableReadStream *stream) {
+ unsigned int picWidth = get2bytes(stream);
+ unsigned int picHeight = get2bytes(stream);
if ((picWidth != winWidth) || (picHeight != winHeight))
return false;
unsigned int t1, t2, n;
unsigned short c;
-
+#if 0
GLubyte *target;
if (! NPOT_textures) {
picWidth = getNextPOT(picWidth);
@@ -177,17 +176,19 @@ bool restoreSnapshot(FILE *fp) {
}
GLubyte *snapshotTexture = new GLubyte [picHeight * picWidth * 4];
if (! snapshotTexture) return fatal("Out of memory while restoring snapshot.");
+#endif
for (t2 = 0; t2 < winHeight; t2 ++) {
t1 = 0;
while (t1 < winWidth) {
- c = (unsigned short) get2bytes(fp);
+ c = (unsigned short) get2bytes(stream);
if (c & 32) {
- n = fgetc(fp) + 1;
+ n = getch(stream) + 1;
c -= 32;
} else {
n = 1;
}
+#if 0
while (n --) {
target = snapshotTexture + 4 * picWidth * t2 + t1 * 4;
target[0] = (GLubyte) redValue(c);
@@ -196,9 +197,10 @@ bool restoreSnapshot(FILE *fp) {
target[3] = (GLubyte) 255;
t1++;
}
+#endif
}
}
-
+#if 0
if (! snapshotTextureName) glGenTextures(1, &snapshotTextureName);
glBindTexture(GL_TEXTURE_2D, snapshotTextureName);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
@@ -210,10 +212,9 @@ bool restoreSnapshot(FILE *fp) {
delete snapshotTexture;
snapshotTexture = NULL;
-
+#endif
return true;
}
-#endif
void killBackDrop() {
#if 0
@@ -1005,7 +1006,7 @@ bool loadParallax(unsigned short v, unsigned short fracX, unsigned short fracY)
extern int viewportOffsetX, viewportOffsetY;
#if 0
-bool loadHSI(FILE *fp, int x, int y, bool reserve) {
+bool loadHSI(Common::SeekableReadStream *stream, int x, int y, bool reserve) {
int t1, t2, n;
unsigned short c;
@@ -1014,7 +1015,7 @@ bool loadHSI(FILE *fp, int x, int y, bool reserve) {
int picWidth;
int picHeight;
int realPicWidth, realPicHeight;
- long file_pointer = ftell(fp);
+ long file_pointer = stream->pos();
png_structp png_ptr;
png_infop info_ptr, end_info;
@@ -1025,20 +1026,20 @@ bool loadHSI(FILE *fp, int x, int y, bool reserve) {
// Is this a PNG file?
char tmp[10];
- size_t bytes_read = fread(tmp, 1, 8, fp);
- if (bytes_read != 8 && ferror(fp)) {
+ size_t bytes_read = stream->read(tmp, 8);
+ if (bytes_read != 8 && stream->err()) {
debugOut("Reading error in loadHSI.\n");
}
if (png_sig_cmp((png_byte *) tmp, 0, 8)) {
// No, it's old-school HSI
fileIsPNG = false;
- fseek(fp, file_pointer, SEEK_SET);
+ stream->seek(file_pointer, SEEK_SET);
- picWidth = realPicWidth = get2bytes(fp);
- picHeight = realPicHeight = get2bytes(fp);
+ picWidth = realPicWidth = get2bytes(stream);
+ picHeight = realPicHeight = get2bytes(stream);
} else {
// Read the PNG header
-
+#if 0
png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
if (!png_ptr) {
return false;
@@ -1078,10 +1079,10 @@ bool loadHSI(FILE *fp, int x, int y, bool reserve) {
png_get_IHDR(png_ptr, info_ptr, &width, &height, &bit_depth, &color_type, &interlace_type, &compression_type, &filter_method);
//int rowbytes = png_get_rowbytes(png_ptr, info_ptr);
-
+#endif
}
-
+#if 0
GLfloat texCoordW = 1.0;
GLfloat texCoordH = 1.0;
if (! NPOT_textures) {
@@ -1138,7 +1139,7 @@ bool loadHSI(FILE *fp, int x, int y, bool reserve) {
}
GLuint tmpTex;
-#if 0
+
glGenTextures(1, &tmpTex);
glBindTexture(GL_TEXTURE_2D, tmpTex);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
@@ -1150,7 +1151,7 @@ bool loadHSI(FILE *fp, int x, int y, bool reserve) {
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
}
-#endif
+
texImage2D(GL_TEXTURE_2D, 0, GL_RGBA, picWidth, picHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, backdropTexture, tmpTex);
@@ -1189,9 +1190,9 @@ bool loadHSI(FILE *fp, int x, int y, bool reserve) {
int yoffset = 0;
while (yoffset < realPicHeight) {
int h = (realPicHeight - yoffset < viewportHeight) ? realPicHeight - yoffset : viewportHeight;
-#if 0
+
glClear(GL_COLOR_BUFFER_BIT); // Clear The Screen
-#endif
+
const GLfloat vertices[] = {
(GLfloat) - xoffset, (GLfloat) - yoffset, 0.,
(GLfloat)realPicWidth - xoffset, (GLfloat) - yoffset, 0.,
@@ -1207,7 +1208,7 @@ bool loadHSI(FILE *fp, int x, int y, bool reserve) {
};
if (backdropExists) {
-#if 0
+
// Render the sprite to the backdrop
// (using mulitexturing, so the old backdrop is seen where alpha < 1.0)
glActiveTexture(GL_TEXTURE2);
@@ -1217,35 +1218,34 @@ bool loadHSI(FILE *fp, int x, int y, bool reserve) {
glUseProgram(shader.paste);
GLint uniform = glGetUniformLocation(shader.paste, "useLightTexture");
if (uniform >= 0) glUniform1i(uniform, 0); // No lighting
-#endif
setPMVMatrix(shader.paste);
setPrimaryColor(1.0, 1.0, 1.0, 1.0);
-#if 0
+
glBindTexture(GL_TEXTURE_2D, tmpTex);
//glTexEnvf (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
-#endif
+
drawQuad(shader.paste, vertices, 3, texCoords, NULL, btexCoords);
-#if 0
+
glUseProgram(0);
-#endif
+
} else {
// It's all new - nothing special to be done.
-#if 0
+
glUseProgram(shader.texture);
-#endif
+
setPMVMatrix(shader.texture);
-#if 0
+
glBindTexture(GL_TEXTURE_2D, tmpTex);
-#endif
+
setPrimaryColor(1.0, 0.0, 0.0, 0.0);
drawQuad(shader.texture, vertices, 1, texCoords);
-#if 0
+
glUseProgram(0);
-#endif
+
}
// Copy Our ViewPort To The Texture
@@ -1259,17 +1259,17 @@ bool loadHSI(FILE *fp, int x, int y, bool reserve) {
deleteTextures(1, &tmpTex);
setPixelCoords(false);
-
+#endif
backdropExists = true;
return true;
}
-bool mixHSI(FILE *fp, int x, int y) {
+bool mixHSI(Common::SeekableReadStream *stream, int x, int y) {
int realPicWidth, realPicHeight;
int picWidth;
int picHeight;
- long file_pointer = ftell(fp);
+ long file_pointer = stream->pos();
png_structp png_ptr;
png_infop info_ptr, end_info;
@@ -1279,17 +1279,18 @@ bool mixHSI(FILE *fp, int x, int y) {
// Is this a PNG file?
char tmp[10];
- size_t bytes_read = fread(tmp, 1, 8, fp);
- if (bytes_read != 8 && ferror(fp)) {
+ size_t bytes_read = stream->read(tmp, 8);
+ if (bytes_read != 8 && stream->err()) {
debugOut("Reading error in mixHSI.\n");
}
+#if 0
if (png_sig_cmp((png_byte *) tmp, 0, 8)) {
// No, it's old-school HSI
fileIsPNG = false;
- fseek(fp, file_pointer, SEEK_SET);
+ stream->seek(file_pointer, SEEK_SET);
- picWidth = realPicWidth = get2bytes(fp);
- picHeight = realPicHeight = get2bytes(fp);
+ picWidth = realPicWidth = get2bytes(stream);
+ picHeight = realPicHeight = get2bytes(stream);
} else {
// Read the PNG header
@@ -1309,7 +1310,7 @@ bool mixHSI(FILE *fp, int x, int y) {
png_destroy_read_struct(&png_ptr, &info_ptr, (png_infopp)NULL);
return false;
}
- png_init_io(png_ptr, fp); // Tell libpng which file to read
+ png_init_io(png_ptr, stream); // Tell libpng which file to read
png_set_sig_bytes(png_ptr, 8); // 8 bytes already read
png_read_info(png_ptr, info_ptr);
@@ -1398,9 +1399,9 @@ bool mixHSI(FILE *fp, int x, int y) {
for (t2 = 0; t2 < realPicHeight; t2 ++) {
t1 = 0;
while (t1 < realPicWidth) {
- c = (unsigned short) get2bytes(fp);
+ c = (unsigned short) get2bytes(stream);
if (c & 32) {
- n = fgetc(fp) + 1;
+ n = getch(stream) + 1;
c -= 32;
} else {
n = 1;
@@ -1425,7 +1426,7 @@ bool mixHSI(FILE *fp, int x, int y) {
}
GLuint tmpTex;
-#if 0
+
glGenTextures(1, &tmpTex);
glBindTexture(GL_TEXTURE_2D, tmpTex);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
@@ -1437,7 +1438,7 @@ bool mixHSI(FILE *fp, int x, int y) {
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
}
-#endif
+
texImage2D(GL_TEXTURE_2D, 0, GL_RGBA, picWidth, picHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, backdropTexture, tmpTex);
@@ -1453,7 +1454,7 @@ bool mixHSI(FILE *fp, int x, int y) {
int yoffset = 0;
while (yoffset < realPicHeight) {
int h = (realPicHeight - yoffset < viewportHeight) ? realPicHeight - yoffset : viewportHeight;
-#if 0
+
glClear(GL_COLOR_BUFFER_BIT); // Clear The Screen
// Render the sprite to the backdrop
@@ -1465,14 +1466,14 @@ bool mixHSI(FILE *fp, int x, int y) {
glUseProgram(shader.paste);
GLint uniform = glGetUniformLocation(shader.paste, "useLightTexture");
if (uniform >= 0) glUniform1i(uniform, 0); // No lighting
-#endif
+
setPMVMatrix(shader.paste);
setPrimaryColor(1.0, 1.0, 1.0, 0.5);
-#if 0
+
glBindTexture(GL_TEXTURE_2D, tmpTex);
//glTexEnvf (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
-#endif
+
const GLfloat vertices[] = {
(GLfloat) - xoffset, (GLfloat) - yoffset, 0.,
(GLfloat)realPicWidth - xoffset, (GLfloat) - yoffset, 0.,
@@ -1481,10 +1482,10 @@ bool mixHSI(FILE *fp, int x, int y) {
};
drawQuad(shader.paste, vertices, 3, texCoords, NULL, btexCoords);
-#if 0
+
// Copy Our ViewPort To The Texture
glUseProgram(0);
-#endif
+
copyTexSubImage2D(GL_TEXTURE_2D, 0, (int)((x < 0) ? xoffset : x + xoffset), (int)((y < 0) ? yoffset : y + yoffset), (int)((x < 0) ? viewportOffsetX - x : viewportOffsetX), (int)((y < 0) ? viewportOffsetY - y : viewportOffsetY), w, h, backdropTextureName);
yoffset += viewportHeight;
@@ -1494,19 +1495,21 @@ bool mixHSI(FILE *fp, int x, int y) {
}
deleteTextures(1, &tmpTex);
setPixelCoords(false);
+#endif
return true;
}
-void saveCorePNG(FILE *writer, GLuint texture, int w, int h) {
- GLint tw, th;
+void saveCorePNG(Common::WriteStream *stream, GLuint texture, int w, int h) {
#if 0
+ GLint tw, th;
+
glBindTexture(GL_TEXTURE_2D, texture);
-#endif
+
getTextureDimensions(texture, &tw, &th);
GLubyte *image = new GLubyte [tw * th * 4];
if (! checkNew(image)) return;
-#if 0
+
glPixelStorei(GL_PACK_ALIGNMENT, 1);
// glGetTexImage(GL_TEXTURE_2D, 0, GL_RGB, GL_UNSIGNED_BYTE, image);
#endif
@@ -1557,11 +1560,11 @@ void saveCorePNG(FILE *writer, GLuint texture, int w, int h) {
#if 0
glUseProgram(shader.texture);
-#endif
+
setPMVMatrix(shader.texture);
drawQuad(shader.texture, vertices, 1, texCoords);
-#if 0
+
glUseProgram(0);
for (int i = 0; i < h; i++) {
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-01 09:49:27 +0000