BLADERUNNER: First pass at slice animation renderer

Z-buffers are not being read from the VQA background yet, so z-buffer
handling is faked for now.

1 files changed, 111 insertions, 0 deletions

diff --git a/engines/bladerunner/slice_animations.h b/engines/bladerunner/slice_animations.h
new file mode 100644
index 0000000000..cc07b570b6
--- /dev/null
+++ b/engines/bladerunner/slice_animations.h
@@ -0,0 +1,111 @@
+/* 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.
+ *
+ */
+
+#ifndef BLADERUNNER_SLICE_ANIMATIONS_H
+#define BLADERUNNER_SLICE_ANIMATIONS_H
+
+#include "common/array.h"
+#include "common/file.h"
+#include "common/str.h"
+#include "common/types.h"
+
+namespace BladeRunner {
+
+class BladeRunnerEngine;
+
+struct SlicePalette {
+	uint16 color[256];
+
+	uint16 &operator[](size_t i) { return color[i]; }
+};
+
+class SliceAnimations {
+	friend class SliceRenderer;
+
+	struct Animation
+	{
+		uint32 frameCount;
+		uint32 frameSize;
+		float  fps;
+		float  unk0;
+		float  unk1;
+		float  unk2;
+		float  unk3;
+		uint32 offset;
+	};
+
+	struct Page {
+		void   *_data;
+		uint32 _lastAccess;
+
+		Page()
+			: _data(nullptr)
+		{}
+	};
+
+	struct PageFile {
+		SliceAnimations     *_sliceAnimations;
+		Common::File         _file;
+		Common::Array<int32> _pageOffsets;
+
+		PageFile(SliceAnimations *sliceAnimations)
+			: _sliceAnimations(sliceAnimations)
+		{}
+
+		bool  open(const Common::String &name);
+		void *loadPage(uint32 page);
+	};
+
+	BladeRunnerEngine *_vm;
+
+	uint32 _timestamp;
+	uint32 _pageSize;
+	uint32 _pageCount;
+	uint32 _paletteCount;
+
+	Common::Array<SlicePalette> _palettes;
+	Common::Array<Animation>    _animations;
+	Common::Array<Page>         _pages;
+
+	PageFile _coreAnimPageFile;
+	PageFile _framesPageFile;
+
+public:
+	SliceAnimations(BladeRunnerEngine *vm)
+		: _vm(vm),
+		  _coreAnimPageFile(this),
+		  _framesPageFile(this)
+	{}
+	~SliceAnimations();
+
+	bool open(const Common::String &name);
+
+	bool openCoreAnim();
+	bool openHDFrames();
+
+	SlicePalette &getPalette(int i) { return _palettes[i]; };
+	void *getFramePtr(uint32 animation, uint32 frame);
+};
+
+} // End of namespace BladeRunner
+
+#endif