Initial commit

engines/scumm/he/moonbase/map_spiff.h

@@ -0,0 +1,100 @@
+/* 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/>.
+ *
+ */
+
+#ifndef SCUMM_HE_MOONBASE_MAP_SPIFF_H
+#define SCUMM_HE_MOONBASE_MAP_SPIFF_H
+
+#ifdef ENABLE_HE
+
+#include "engines/scumm/he/moonbase/map_mif.h"
+
+#define MAXELEVVAL 4 // for array size
+
+// These were "HIGH", "MEDIUM", and "LOW", but
+// was renamed to prevent potential clashing
+// with different platforms.
+#define kElevHigh 3 // elevations
+#define kElevMedium 2
+#define kElevLow 1
+
+#define WATER 0 // special types
+#define HUB 1
+#define SMALLPOOL 2
+#define MEDIUMPOOL 3
+#define LARGEPOOLTOP 4
+#define LARGEPOOLBOTTOM 5 // placeholder for top half of a large pool
+
+#define UNASSIGNED -1
+#define LOW_OR_WATER -2
+
+#define MAXSIZE 80
+
+#define NORMALMIRROR 0
+#define XOFFSETMIRROR 1
+#define YOFFSETMIRROR 2
+#define MAXDISTMIRROR 3
+
+namespace Scumm {
+
+class SpiffGenerator {
+public:
+	SpiffGenerator(int seed);
+	~SpiffGenerator() = default;
+
+	MapFile *generateMap(int water, int tileset, int mapSize, int energy, int terrain);
+
+private:
+	int _seed = 0;
+
+	int _numPoolsG = 0; // per quadrant
+	int _energyAmountG = 0; // 2048 = min energy on small map, 51200 = max energy on max map, etc.
+	int _cliffAmountG = 0;  // amount of cliffs, 10 is min, 70 is max
+	int _waterAmountG = 0;  // 0 is min, 30 is max
+	int _totalMapSizeG = 0;
+
+	int _terrainSeedFlagG = 0; // disables kElevHigh or kElevLow terrain for the initial elevation when appropriate
+	int _islandsFlagG = 0;     // enables islands
+	int _advancedMirrorOK_G = 0; // low terrain roughness can leave too abrupt changes at the edge, so set false to disable some mirroring types
+	int _mirrorTypeG = 0;        // what mirroring is used
+
+	int _mapCornerMaxG = 0; // size of random section
+	int _mapMiddleMaxG = 0;
+	int _mapCorner[MAXSIZE+1][MAXSIZE+1] = { {}, {} };
+	int _mapMiddle[MAXSIZE][MAXSIZE] = { {}, {} };
+
+	float getRandomFloat();
+	int spiffRand(int min, int max);
+	int pickFrom2(int a, int probA, int b, int probB);
+	int pickFrom3(int a, int probA, int b, int probB, int c, int probC);
+	int pickFrom4(int a, int probA, int b, int probB, int c, int probC, int d, int probD);
+
+	void getSpecials();
+	void copyMap(int XOffset, int YOffset, int XDirection, int YDirection);
+	void mirrorMap();
+	void errorCorrection();
+	void generate();
+};
+
+} // End of namespace Scumm
+
+#endif // ENABLE_HE
+
+#endif // SCUMM_HE_MOONBASE_MAP_SPIFF_H