#include <fstream>
#include "environment.h"
#include "collision.h"
-#include "serverobject.h"
-#include "serverscripting.h"
+#include "raycast.h"
+#include "scripting_server.h"
#include "server.h"
#include "daynightratio.h"
#include "emerge.h"
+
Environment::Environment(IGameDef *gamedef):
- m_time_of_day_speed(0),
- m_time_of_day(9000),
- m_time_of_day_f(9000./24000),
- m_time_conversion_skew(0.0f),
- m_enable_day_night_ratio_override(false),
- m_day_night_ratio_override(0.0f),
+ m_time_of_day_speed(0.0f),
+ m_day_count(0),
m_gamedef(gamedef)
{
m_cache_enable_shaders = g_settings->getBool("enable_shaders");
m_cache_active_block_mgmt_interval = g_settings->getFloat("active_block_mgmt_interval");
m_cache_abm_interval = g_settings->getFloat("abm_interval");
m_cache_nodetimer_interval = g_settings->getFloat("nodetimer_interval");
-}
-Environment::~Environment()
-{
+ m_time_of_day = g_settings->getU32("world_start_time");
+ m_time_of_day_f = (float)m_time_of_day / 24000.0f;
}
u32 Environment::getDayNightRatio()
{
MutexAutoLock lock(this->m_time_lock);
if (m_time_of_day > time)
- m_day_count++;
+ ++m_day_count;
m_time_of_day = time;
m_time_of_day_f = (float)time / 24000.0;
}
return m_time_of_day_f;
}
+bool Environment::line_of_sight(v3f pos1, v3f pos2, v3s16 *p)
+{
+ // Iterate trough nodes on the line
+ voxalgo::VoxelLineIterator iterator(pos1 / BS, (pos2 - pos1) / BS);
+ do {
+ MapNode n = getMap().getNode(iterator.m_current_node_pos);
+
+ // Return non-air
+ if (n.param0 != CONTENT_AIR) {
+ if (p)
+ *p = iterator.m_current_node_pos;
+ return false;
+ }
+ iterator.next();
+ } while (iterator.m_current_index <= iterator.m_last_index);
+ return true;
+}
+
+/*
+ Check if a node is pointable
+*/
+inline static bool isPointableNode(const MapNode &n,
+ const NodeDefManager *nodedef , bool liquids_pointable)
+{
+ const ContentFeatures &features = nodedef->get(n);
+ return features.pointable ||
+ (liquids_pointable && features.isLiquid());
+}
+
+void Environment::continueRaycast(RaycastState *state, PointedThing *result)
+{
+ const NodeDefManager *nodedef = getMap().getNodeDefManager();
+ if (state->m_initialization_needed) {
+ // Add objects
+ if (state->m_objects_pointable) {
+ std::vector<PointedThing> found;
+ getSelectedActiveObjects(state->m_shootline, found);
+ for (const PointedThing &pointed : found) {
+ state->m_found.push(pointed);
+ }
+ }
+ // Set search range
+ core::aabbox3d<s16> maximal_exceed = nodedef->getSelectionBoxIntUnion();
+ state->m_search_range.MinEdge = -maximal_exceed.MaxEdge;
+ state->m_search_range.MaxEdge = -maximal_exceed.MinEdge;
+ // Setting is done
+ state->m_initialization_needed = false;
+ }
+
+ // The index of the first pointed thing that was not returned
+ // before. The last index which needs to be tested.
+ s16 lastIndex = state->m_iterator.m_last_index;
+ if (!state->m_found.empty()) {
+ lastIndex = state->m_iterator.getIndex(
+ floatToInt(state->m_found.top().intersection_point, BS));
+ }
+
+ Map &map = getMap();
+ // If a node is found, this is the center of the
+ // first nodebox the shootline meets.
+ v3f found_boxcenter(0, 0, 0);
+ // The untested nodes are in this range.
+ core::aabbox3d<s16> new_nodes;
+ while (state->m_iterator.m_current_index <= lastIndex) {
+ // Test the nodes around the current node in search_range.
+ new_nodes = state->m_search_range;
+ new_nodes.MinEdge += state->m_iterator.m_current_node_pos;
+ new_nodes.MaxEdge += state->m_iterator.m_current_node_pos;
+
+ // Only check new nodes
+ v3s16 delta = state->m_iterator.m_current_node_pos
+ - state->m_previous_node;
+ if (delta.X > 0) {
+ new_nodes.MinEdge.X = new_nodes.MaxEdge.X;
+ } else if (delta.X < 0) {
+ new_nodes.MaxEdge.X = new_nodes.MinEdge.X;
+ } else if (delta.Y > 0) {
+ new_nodes.MinEdge.Y = new_nodes.MaxEdge.Y;
+ } else if (delta.Y < 0) {
+ new_nodes.MaxEdge.Y = new_nodes.MinEdge.Y;
+ } else if (delta.Z > 0) {
+ new_nodes.MinEdge.Z = new_nodes.MaxEdge.Z;
+ } else if (delta.Z < 0) {
+ new_nodes.MaxEdge.Z = new_nodes.MinEdge.Z;
+ }
+
+ // For each untested node
+ for (s16 x = new_nodes.MinEdge.X; x <= new_nodes.MaxEdge.X; x++)
+ for (s16 y = new_nodes.MinEdge.Y; y <= new_nodes.MaxEdge.Y; y++)
+ for (s16 z = new_nodes.MinEdge.Z; z <= new_nodes.MaxEdge.Z; z++) {
+ MapNode n;
+ v3s16 np(x, y, z);
+ bool is_valid_position;
+
+ n = map.getNode(np, &is_valid_position);
+ if (!(is_valid_position && isPointableNode(n, nodedef,
+ state->m_liquids_pointable))) {
+ continue;
+ }
+
+ PointedThing result;
+
+ std::vector<aabb3f> boxes;
+ n.getSelectionBoxes(nodedef, &boxes,
+ n.getNeighbors(np, &map));
+
+ // Is there a collision with a selection box?
+ bool is_colliding = false;
+ // Minimal distance of all collisions
+ float min_distance_sq = 10000000;
+ // ID of the current box (loop counter)
+ u16 id = 0;
+
+ v3f npf = intToFloat(np, BS);
+ // This loop translates the boxes to their in-world place.
+ for (aabb3f &box : boxes) {
+ box.MinEdge += npf;
+ box.MaxEdge += npf;
+
+ v3f intersection_point;
+ v3s16 intersection_normal;
+ if (!boxLineCollision(box, state->m_shootline.start,
+ state->m_shootline.getVector(), &intersection_point,
+ &intersection_normal)) {
+ ++id;
+ continue;
+ }
+
+ f32 distanceSq = (intersection_point
+ - state->m_shootline.start).getLengthSQ();
+ // If this is the nearest collision, save it
+ if (min_distance_sq > distanceSq) {
+ min_distance_sq = distanceSq;
+ result.intersection_point = intersection_point;
+ result.intersection_normal = intersection_normal;
+ result.box_id = id;
+ found_boxcenter = box.getCenter();
+ is_colliding = true;
+ }
+ ++id;
+ }
+ // If there wasn't a collision, stop
+ if (!is_colliding) {
+ continue;
+ }
+ result.type = POINTEDTHING_NODE;
+ result.node_undersurface = np;
+ result.distanceSq = min_distance_sq;
+ // Set undersurface and abovesurface nodes
+ f32 d = 0.002 * BS;
+ v3f fake_intersection = result.intersection_point;
+ // Move intersection towards its source block.
+ if (fake_intersection.X < found_boxcenter.X) {
+ fake_intersection.X += d;
+ } else {
+ fake_intersection.X -= d;
+ }
+ if (fake_intersection.Y < found_boxcenter.Y) {
+ fake_intersection.Y += d;
+ } else {
+ fake_intersection.Y -= d;
+ }
+ if (fake_intersection.Z < found_boxcenter.Z) {
+ fake_intersection.Z += d;
+ } else {
+ fake_intersection.Z -= d;
+ }
+ result.node_real_undersurface = floatToInt(
+ fake_intersection, BS);
+ result.node_abovesurface = result.node_real_undersurface
+ + result.intersection_normal;
+ // Push found PointedThing
+ state->m_found.push(result);
+ // If this is nearer than the old nearest object,
+ // the search can be shorter
+ s16 newIndex = state->m_iterator.getIndex(
+ result.node_real_undersurface);
+ if (newIndex < lastIndex) {
+ lastIndex = newIndex;
+ }
+ }
+ // Next node
+ state->m_previous_node = state->m_iterator.m_current_node_pos;
+ state->m_iterator.next();
+ }
+ // Return empty PointedThing if nothing left on the ray
+ if (state->m_found.empty()) {
+ result->type = POINTEDTHING_NOTHING;
+ } else {
+ *result = state->m_found.top();
+ state->m_found.pop();
+ }
+}
+
void Environment::stepTimeOfDay(float dtime)
{
MutexAutoLock lock(this->m_time_lock);
// Sync at overflow
if (m_time_of_day + units >= 24000) {
sync_f = true;
- m_day_count++;
+ ++m_day_count;
}
m_time_of_day = (m_time_of_day + units) % 24000;
if (sync_f)
projects / oweals / minetest.git / blobdiff