BLADERUNNER: Support for CDFRAMES.DAT

Rename CDFRAMES.DAT into CDFRAMES1.DAT, CDFRAMES2.DAT etc

4 files changed, 29 insertions, 12 deletions

diff --git a/engines/bladerunner/bladerunner.cpp b/engines/bladerunner/bladerunner.cpp
index 0b1ad83abd..ab8ad36979 100644
--- a/engines/bladerunner/bladerunner.cpp
+++ b/engines/bladerunner/bladerunner.cpp
@@ -436,13 +436,6 @@ bool BladeRunnerEngine::startup(bool hasSavegames) {
 	if (!r)
 		return false;
 
-	// TODO: Support cdframes
-
-	r = _sliceAnimations->openHDFrames();
-	if (!r) {
-		return false;
-	}
-
 	r = _sliceAnimations->openCoreAnim();
 	if (!r) {
 		return false;
diff --git a/engines/bladerunner/chapters.cpp b/engines/bladerunner/chapters.cpp
index e7404c3c97..16d084b970 100644
--- a/engines/bladerunner/chapters.cpp
+++ b/engines/bladerunner/chapters.cpp
@@ -23,12 +23,15 @@
 #include "bladerunner/chapters.h"
 
 #include "bladerunner/bladerunner.h"
+#include "bladerunner/slice_animations.h"
 
 namespace BladeRunner {
 
 bool Chapters::enterChapter(int chapter) {
 	int id = _resourceIds[chapter];
 
+	_vm->_sliceAnimations->openFrames(id);
+
 	if (!_vm->openArchive("A.TLK"))
 		return false;
 
diff --git a/engines/bladerunner/slice_animations.cpp b/engines/bladerunner/slice_animations.cpp
index 181b11d9f1..411e6a07a1 100644
--- a/engines/bladerunner/slice_animations.cpp
+++ b/engines/bladerunner/slice_animations.cpp
@@ -93,8 +93,28 @@ bool SliceAnimations::openCoreAnim() {
 	return _coreAnimPageFile.open("COREANIM.DAT");
 }
 
-bool SliceAnimations::openHDFrames() {
-	return _framesPageFile.open("HDFRAMES.DAT");
+bool SliceAnimations::openFrames(int fileNumber) {
+	if (_framesPageFile._fileNumber == -1) { // Running for the first time, need to probe
+		// First, try HDFRAMES.DAT
+		if (_framesPageFile.open("HDFRAMES.DAT")) {
+			_framesPageFile._fileNumber = 0;
+
+			return true;
+		}
+	}
+
+	if (_framesPageFile._fileNumber == 0) // HDFRAMES.DAT
+		return true;
+
+	if (_framesPageFile._fileNumber == fileNumber)
+		return true;
+
+	_framesPageFile._fileNumber = fileNumber;
+
+	if (fileNumber == 1 && _framesPageFile.open("CDFRAMES.DAT")) // For Chapter1 we try both CDFRAMES.DAT and CDFRAMES1.DAT
+		return true;
+
+	return _framesPageFile.open(Common::String::format("CDFRAMES%d.DAT", fileNumber));
 }
 
 bool SliceAnimations::PageFile::open(const Common::String &name) {
@@ -119,7 +139,7 @@ bool SliceAnimations::PageFile::open(const Common::String &name) {
 		_pageOffsets[pageNumber] = dataOffset + i * _sliceAnimations->_pageSize;
 	}
 
-	// debug("PageFile::Open: page file \"%s\" opened with %d pages", name.c_str(), pageCount);
+	debug("PageFile::Open: page file \"%s\" opened with %d pages", name.c_str(), pageCount);
 
 	return true;
 }
diff --git a/engines/bladerunner/slice_animations.h b/engines/bladerunner/slice_animations.h
index edc0684140..eafba1bb14 100644
--- a/engines/bladerunner/slice_animations.h
+++ b/engines/bladerunner/slice_animations.h
@@ -64,11 +64,12 @@ class SliceAnimations {
 	};
 
 	struct PageFile {
+		int                  _fileNumber;
 		SliceAnimations     *_sliceAnimations;
 		Common::File         _file;
 		Common::Array<int32> _pageOffsets;
 
-		PageFile(SliceAnimations *sliceAnimations) : _sliceAnimations(sliceAnimations) {}
+		PageFile(SliceAnimations *sliceAnimations) : _sliceAnimations(sliceAnimations), _fileNumber(-1) {}
 
 		bool  open(const Common::String &name);
 		void *loadPage(uint32 page);
@@ -102,7 +103,7 @@ public:
 	bool open(const Common::String &name);
 
 	bool openCoreAnim();
-	bool openHDFrames();
+	bool openFrames(int fileNumber);
 
 	Palette &getPalette(int i) { return _palettes[i]; };
 	void    *getFramePtr(uint32 animation, uint32 frame);