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+/*************************************************************************/
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+/* height_map_shape.cpp */
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+/*************************************************************************/
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+/* This file is part of: */
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+/* GODOT ENGINE */
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+/* https://godotengine.org */
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+/*************************************************************************/
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+/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */
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+/* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md) */
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+/* */
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+/* Permission is hereby granted, free of charge, to any person obtaining */
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+/* a copy of this software and associated documentation files (the */
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+/* "Software"), to deal in the Software without restriction, including */
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+/* without limitation the rights to use, copy, modify, merge, publish, */
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+/* distribute, sublicense, and/or sell copies of the Software, and to */
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+/* permit persons to whom the Software is furnished to do so, subject to */
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+/* the following conditions: */
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+/* */
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+/* The above copyright notice and this permission notice shall be */
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+/* included in all copies or substantial portions of the Software. */
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+/* */
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+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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+/*************************************************************************/
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+
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+#include "height_map_shape.h"
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+#include "servers/physics_server.h"
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+
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+Vector<Vector3> HeightMapShape::_gen_debug_mesh_lines() {
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+ Vector<Vector3> points;
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+
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+ // This will be slow for large maps...
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+ // also we'll have to figure out how well bullet centers this shape...
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+
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+ Vector2 size(map_width - 1, map_depth - 1);
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+ Vector2 start = size * -0.5;
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+ int offset = 0;
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+
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+ PoolRealArray::Read r = map_data.read();
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+
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+ for (int d = 0; d < map_depth; d++) {
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+ Vector3 height(start.x, 0.0, start.y);
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+
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+ for (int w = 0; w < map_width; w++) {
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+ height.y = r[offset++];
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+
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+ if (w != map_width - 1) {
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+ points.push_back(height);
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+ points.push_back(Vector3(height.x + 1.0, r[offset], height.z));
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+ }
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+
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+ if (d != map_depth - 1) {
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+ points.push_back(height);
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+ points.push_back(Vector3(height.x, r[offset + map_width - 1], height.z + 1.0));
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+ }
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+
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+ height.x += 1.0;
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+ }
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+
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+ start.y += 1.0;
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+ }
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+
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+ return points;
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+}
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+
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+void HeightMapShape::_update_shape() {
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+
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+ Dictionary d;
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+ d["width"] = map_width;
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+ d["depth"] = map_depth;
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+ d["heights"] = map_data;
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+ d["min_height"] = min_height;
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+ d["max_height"] = max_height;
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+ PhysicsServer::get_singleton()->shape_set_data(get_shape(), d);
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+}
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+
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+void HeightMapShape::set_map_width(int p_new) {
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+ if (p_new < 1) {
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+ // ignore
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+ } else if (map_width != p_new) {
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+ int was_size = map_width * map_depth;
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+ map_width = p_new;
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+
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+ int new_size = map_width * map_depth;
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+ map_data.resize(map_width * map_depth);
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+
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+ PoolRealArray::Write w = map_data.write();
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+ while (was_size < new_size) {
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+ w[was_size++] = 0.0;
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+ }
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+
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+ _update_shape();
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+ notify_change_to_owners();
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+ _change_notify("map_width");
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+ _change_notify("map_data");
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+ }
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+}
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+
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+int HeightMapShape::get_map_width() const {
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+ return map_width;
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+}
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+
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+void HeightMapShape::set_map_depth(int p_new) {
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+ if (p_new < 1) {
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+ // ignore
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+ } else if (map_depth != p_new) {
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+ int was_size = map_width * map_depth;
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+ map_depth = p_new;
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+
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+ int new_size = map_width * map_depth;
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+ map_data.resize(new_size);
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+
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+ PoolRealArray::Write w = map_data.write();
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+ while (was_size < new_size) {
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+ w[was_size++] = 0.0;
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+ }
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+
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+ _update_shape();
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+ notify_change_to_owners();
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+ _change_notify("map_depth");
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+ _change_notify("map_data");
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+ }
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+}
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+
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+int HeightMapShape::get_map_depth() const {
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+ return map_depth;
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+}
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+
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+void HeightMapShape::set_map_data(PoolRealArray p_new) {
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+ int size = (map_width * map_depth);
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+ if (p_new.size() != size) {
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+ // fail
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+ return;
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+ }
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+
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+ // copy
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+ PoolRealArray::Write w = map_data.write();
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+ PoolRealArray::Read r = p_new.read();
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+ for (int i = 0; i < size; i++) {
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+ float val = r[i];
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+ w[i] = val;
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+ if (i == 0) {
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+ min_height = val;
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+ max_height = val;
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+ } else {
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+ if (min_height > val)
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+ min_height = val;
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+
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+ if (max_height < val)
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+ max_height = val;
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+ }
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+ }
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+
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+ _update_shape();
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+ notify_change_to_owners();
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+ _change_notify("map_data");
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+}
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+
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+PoolRealArray HeightMapShape::get_map_data() const {
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+ return map_data;
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+}
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+
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+void HeightMapShape::_bind_methods() {
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+ ClassDB::bind_method(D_METHOD("set_map_width", "width"), &HeightMapShape::set_map_width);
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+ ClassDB::bind_method(D_METHOD("get_map_width"), &HeightMapShape::get_map_width);
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+ ClassDB::bind_method(D_METHOD("set_map_depth", "height"), &HeightMapShape::set_map_depth);
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+ ClassDB::bind_method(D_METHOD("get_map_depth"), &HeightMapShape::get_map_depth);
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+ ClassDB::bind_method(D_METHOD("set_map_data", "data"), &HeightMapShape::set_map_data);
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+ ClassDB::bind_method(D_METHOD("get_map_data"), &HeightMapShape::get_map_data);
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+
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+ ADD_PROPERTY(PropertyInfo(Variant::INT, "map_width", PROPERTY_HINT_RANGE, "1,4096,1"), "set_map_width", "get_map_width");
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+ ADD_PROPERTY(PropertyInfo(Variant::INT, "map_depth", PROPERTY_HINT_RANGE, "1,4096,1"), "set_map_depth", "get_map_depth");
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+ ADD_PROPERTY(PropertyInfo(Variant::POOL_REAL_ARRAY, "map_data"), "set_map_data", "get_map_data");
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+}
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+
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+HeightMapShape::HeightMapShape() :
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+ Shape(PhysicsServer::get_singleton()->shape_create(PhysicsServer::SHAPE_HEIGHTMAP)) {
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+
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+ map_width = 2;
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+ map_depth = 2;
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+ map_data.resize(map_width * map_depth);
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+ PoolRealArray::Write w = map_data.write();
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+ w[0] = 0.0;
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+ w[1] = 0.0;
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+ w[2] = 0.0;
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+ w[3] = 0.0;
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+ min_height = 0.0;
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+ max_height = 0.0;
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+
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+ _update_shape();
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+}
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Bastiaan Olij