Initial commit

engines/chewy/memory.cpp

@@ -0,0 +1,92 @@
+/* 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/memstream.h"
+#include "chewy/memory.h"
+#include "chewy/globals.h"
+#include "chewy/types.h"
+#include "chewy/resource.h"
+
+namespace Chewy {
+
+TafInfo *Memory::taf_adr(const char *filename) {
+	SpriteResource *res = new SpriteResource(filename);
+	int32 imageCount = res->getChunkCount();
+	uint32 size = res->getAllSize() + imageCount * 8 + sizeof(TafInfo);
+	uint32 kgroesse = imageCount * sizeof(byte *);
+
+	byte *tmp1 = (byte *)MALLOC(size + Graphics::PALETTE_SIZE + kgroesse);
+	TafInfo *tinfo = (TafInfo *)tmp1;
+	tinfo->image = (byte **)(tmp1 + sizeof(TafInfo));
+	tinfo->palette = tmp1 + size;
+	tinfo->count = imageCount;
+	memcpy(tinfo->palette, res->getSpritePalette(), Graphics::PALETTE_SIZE);
+	byte *imgPtr = tmp1 + sizeof(TafInfo) + kgroesse;
+
+	for (int i = 0; i < imageCount; i++) {
+		tinfo->image[i] = imgPtr;
+		imgPtr += res->getSpriteData(i, &tinfo->image[i], false);
+	}
+
+	tinfo->correction = (int16 *)(tmp1 + (size + 768l));
+	memcpy(tinfo->correction, res->getSpriteCorrectionsTable(), imageCount * 2 * sizeof(int16));
+
+	delete res;
+
+	return tinfo;
+}
+
+TafSeqInfo *Memory::taf_seq_adr(int16 image_start, int16 image_anz) {
+	TafSeqInfo *ts_info;
+	SpriteResource *res = new SpriteResource(CH_SPZ_FILE);
+	uint32 size = 0;
+
+	for (int16 i = 0; i < image_anz; i++) {
+		TAFChunk *sprite = res->getSprite(i + image_start);
+		size += sprite->width * sprite->height;
+		delete sprite;
+	}
+
+	size += image_anz * sizeof(byte *);
+	size += image_anz * sizeof(char *);
+	size += ((uint32)sizeof(TafSeqInfo));
+
+	byte *tmp1 = (byte *)MALLOC(size + image_anz * sizeof(byte *));
+	ts_info = (TafSeqInfo *)tmp1;
+	ts_info->count = image_anz;
+	ts_info->image = (byte **)(tmp1 + sizeof(TafSeqInfo));
+	ts_info->correction = (int16 *)(tmp1 + size);
+	byte *sp_ptr = tmp1 + ((sizeof(TafSeqInfo)) + (image_anz * sizeof(char *)));
+
+	for (int16 i = 0; i < image_anz; i++) {
+		ts_info->image[i] = sp_ptr;
+		sp_ptr += res->getSpriteData(i + image_start, &ts_info->image[i], false);
+	}
+
+	uint16 *correctionsTable = res->getSpriteCorrectionsTable() + image_start * 2;
+	memcpy(ts_info->correction, correctionsTable, image_anz * 2 * sizeof(int16));
+
+	delete res;
+
+	return ts_info;
+}
+
+} // namespace Chewy