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engines/twine/shared.cpp

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+/* 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 "twine/shared.h"
+
+namespace TwinE {
+
+int32 LBAAngles::ANGLE_360;
+int32 LBAAngles::ANGLE_351;
+int32 LBAAngles::ANGLE_334;
+int32 LBAAngles::ANGLE_315;
+int32 LBAAngles::ANGLE_270;
+int32 LBAAngles::ANGLE_225;
+int32 LBAAngles::ANGLE_210;
+int32 LBAAngles::ANGLE_180;
+int32 LBAAngles::ANGLE_157_5;
+int32 LBAAngles::ANGLE_140;
+int32 LBAAngles::ANGLE_135;
+int32 LBAAngles::ANGLE_90;
+int32 LBAAngles::ANGLE_70;
+int32 LBAAngles::ANGLE_63;
+int32 LBAAngles::ANGLE_45;
+int32 LBAAngles::ANGLE_22_5;
+int32 LBAAngles::ANGLE_17;
+int32 LBAAngles::ANGLE_11_25;
+int32 LBAAngles::ANGLE_2;
+int32 LBAAngles::ANGLE_1;
+int32 LBAAngles::ANGLE_0;
+
+void LBAAngles::init(int factor) {
+	ANGLE_360 = 1024 * factor;
+	ANGLE_351 = 1000 * factor;
+	ANGLE_334 = 950 * factor;
+	ANGLE_315 = 896 * factor;
+	ANGLE_270 = 768 * factor;
+	ANGLE_225 = 640 * factor;
+	ANGLE_210 = 600 * factor;
+	ANGLE_180 = 512 * factor;
+	ANGLE_157_5 = 448 * factor;
+	ANGLE_140 = 400 * factor;
+	ANGLE_135 = 384 * factor;
+	ANGLE_90 = 256 * factor;
+	ANGLE_70 = 200 * factor;
+	ANGLE_63 = 180 * factor;
+	ANGLE_45 = 128 * factor;
+	ANGLE_22_5 = 64 * factor;
+	ANGLE_17 = 50 * factor;
+	ANGLE_11_25 = 32 * factor;
+	ANGLE_2 = 8 * factor;
+	ANGLE_1 = 5 * factor;
+	ANGLE_0 = 0 * factor;
+}
+
+void LBAAngles::lba1() {
+	init(1);
+}
+
+void LBAAngles::lba2() {
+	init(4);
+}
+
+
+int32 getDistance2D(int32 x1, int32 z1, int32 x2, int32 z2) {
+	return (int32)sqrt((float)((x2 - x1) * (x2 - x1) + (z2 - z1) * (z2 - z1)));
+}
+
+int32 getDistance2D(const IVec3 &v1, const IVec3 &v2) {
+	return (int32)sqrt((float)((v2.x - v1.x) * (v2.x - v1.x) + (v2.z - v1.z) * (v2.z - v1.z)));
+}
+
+int32 getDistance3D(int32 x1, int32 y1, int32 z1, int32 x2, int32 y2, int32 z2) {
+	return (int32)sqrt((float)((x2 - x1) * (x2 - x1) + (y2 - y1) * (y2 - y1) + (z2 - z1) * (z2 - z1)));
+}
+
+int32 getDistance3D(const IVec3 &v1, const IVec3 &v2) {
+	return (int32)sqrt((float)((v2.x - v1.x) * (v2.x - v1.x) + (v2.y - v1.y) * (v2.y - v1.y) + (v2.z - v1.z) * (v2.z - v1.z)));
+}
+
+}