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Add TryMoveAlong(distance, angle)

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This will take a distance you would like to move and an EQ angle you
would like to move relative to current heading (so 0 is in front, 256
behind)

Exported to Lua as well
This commit is contained in:
Michael Cook (mackal)
2018-03-06 23:03:55 -05:00
parent 7e7f5f0bd6
commit 8f66527e02
4 changed files with 47 additions and 0 deletions
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zone/waypoints.cpp
+32
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@@ -29,10 +29,13 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#include "npc.h"
#include "quest_parser_collection.h"
#include "water_map.h"
#include "fastmath.h"
#include <math.h>
#include <stdlib.h>
extern FastMath g_Math;
struct wp_distance
{
float dist;
@@ -990,6 +993,35 @@ float Mob::GetZOffset() const {
return 0.2 * GetSize() * offset;
}
// This function will try to move the mob along the relative angle a set distance
// if it can't be moved, it will lower the distance and try again
// If we want to move on like say a spawn, we can pass send as false
void Mob::TryMoveAlong(float distance, float angle, bool send)
{
angle += GetHeading();
angle = FixHeading(angle);
glm::vec3 tmp_pos;
glm::vec3 new_pos = GetPosition();
new_pos.x += distance * g_Math.FastSin(angle);
new_pos.y += distance * g_Math.FastCos(angle);
new_pos.z += GetZOffset();
if (zone->HasMap()) {
auto new_z = zone->zonemap->FindClosestZ(new_pos, nullptr);
if (new_z != BEST_Z_INVALID)
new_pos.z = new_z;
if (zone->zonemap->FindClosestLoS(GetPosition(), new_pos, tmp_pos))
new_pos = tmp_pos;
}
new_pos.z = GetFixedZ(new_pos);
Teleport(new_pos);
if (send)
SendPositionUpdate();
}
int ZoneDatabase::GetHighestGrid(uint32 zoneid) {
std::string query = StringFormat("SELECT COALESCE(MAX(id), 0) FROM grid WHERE zoneid = %i", zoneid);