*/
#include "utility.h"
-#include "irrlichtwrapper.h"
+#include "gettime.h"
+#include "sha1.h"
+#include "base64.h"
+#include "log.h"
-TimeTaker::TimeTaker(const char *name, IrrlichtWrapper *irrlicht, u32 *result)
+TimeTaker::TimeTaker(const char *name, u32 *result)
{
m_name = name;
- m_irrlicht = irrlicht;
m_result = result;
m_running = true;
- if(irrlicht == NULL)
- {
- m_time1 = 0;
- return;
- }
- m_time1 = m_irrlicht->getTime();
+ m_time1 = getTimeMs();
}
u32 TimeTaker::stop(bool quiet)
{
if(m_running)
{
- if(m_irrlicht == NULL)
- {
- /*if(quiet == false)
- std::cout<<"Couldn't measure time for "<<m_name
- <<": irrlicht==NULL"<<std::endl;*/
- return 0;
- }
- u32 time2 = m_irrlicht->getTime();
+ u32 time2 = getTimeMs();
u32 dtime = time2 - m_time1;
if(m_result != NULL)
{
else
{
if(quiet == false)
- std::cout<<m_name<<" took "<<dtime<<"ms"<<std::endl;
+ infostream<<m_name<<" took "<<dtime<<"ms"<<std::endl;
}
m_running = false;
return dtime;
return 0;
}
+u32 TimeTaker::getTime()
+{
+ u32 time2 = getTimeMs();
+ u32 dtime = time2 - m_time1;
+ return dtime;
+}
+
+const v3s16 g_6dirs[6] =
+{
+ // +right, +top, +back
+ v3s16( 0, 0, 1), // back
+ v3s16( 0, 1, 0), // top
+ v3s16( 1, 0, 0), // right
+ v3s16( 0, 0,-1), // front
+ v3s16( 0,-1, 0), // bottom
+ v3s16(-1, 0, 0) // left
+};
+
const v3s16 g_26dirs[26] =
{
// +right, +top, +back
// 26
};
+const v3s16 g_27dirs[27] =
+{
+ // +right, +top, +back
+ v3s16( 0, 0, 1), // back
+ v3s16( 0, 1, 0), // top
+ v3s16( 1, 0, 0), // right
+ v3s16( 0, 0,-1), // front
+ v3s16( 0,-1, 0), // bottom
+ v3s16(-1, 0, 0), // left
+ // 6
+ v3s16(-1, 1, 0), // top left
+ v3s16( 1, 1, 0), // top right
+ v3s16( 0, 1, 1), // top back
+ v3s16( 0, 1,-1), // top front
+ v3s16(-1, 0, 1), // back left
+ v3s16( 1, 0, 1), // back right
+ v3s16(-1, 0,-1), // front left
+ v3s16( 1, 0,-1), // front right
+ v3s16(-1,-1, 0), // bottom left
+ v3s16( 1,-1, 0), // bottom right
+ v3s16( 0,-1, 1), // bottom back
+ v3s16( 0,-1,-1), // bottom front
+ // 18
+ v3s16(-1, 1, 1), // top back-left
+ v3s16( 1, 1, 1), // top back-right
+ v3s16(-1, 1,-1), // top front-left
+ v3s16( 1, 1,-1), // top front-right
+ v3s16(-1,-1, 1), // bottom back-left
+ v3s16( 1,-1, 1), // bottom back-right
+ v3s16(-1,-1,-1), // bottom front-left
+ v3s16( 1,-1,-1), // bottom front-right
+ // 26
+ v3s16(0,0,0),
+};
+
+static unsigned long next = 1;
+/* RAND_MAX assumed to be 32767 */
+int myrand(void)
+{
+ next = next * 1103515245 + 12345;
+ return((unsigned)(next/65536) % 32768);
+}
+
+void mysrand(unsigned seed)
+{
+ next = seed;
+}
+
+int myrand_range(int min, int max)
+{
+ if(max-min > MYRAND_MAX)
+ {
+ errorstream<<"WARNING: myrand_range: max-min > MYRAND_MAX"<<std::endl;
+ assert(0);
+ }
+ if(min > max)
+ {
+ assert(0);
+ return max;
+ }
+ return (myrand()%(max-min+1))+min;
+}
+
+#ifndef SERVER
+// Sets the color of all vertices in the mesh
+void setMeshVerticesColor(scene::IMesh* mesh, video::SColor& color)
+{
+ if(mesh == NULL)
+ return;
+
+ u16 mc = mesh->getMeshBufferCount();
+ for(u16 j=0; j<mc; j++)
+ {
+ scene::IMeshBuffer *buf = mesh->getMeshBuffer(j);
+ video::S3DVertex *vertices = (video::S3DVertex*)buf->getVertices();
+ u16 vc = buf->getVertexCount();
+ for(u16 i=0; i<vc; i++)
+ {
+ vertices[i].Color = color;
+ }
+ }
+}
+#endif
+
+/*
+ blockpos: position of block in block coordinates
+ camera_pos: position of camera in nodes
+ camera_dir: an unit vector pointing to camera direction
+ range: viewing range
+*/
+bool isBlockInSight(v3s16 blockpos_b, v3f camera_pos, v3f camera_dir,
+ f32 camera_fov, f32 range, f32 *distance_ptr)
+{
+ v3s16 blockpos_nodes = blockpos_b * MAP_BLOCKSIZE;
+
+ // Block center position
+ v3f blockpos(
+ ((float)blockpos_nodes.X + MAP_BLOCKSIZE/2) * BS,
+ ((float)blockpos_nodes.Y + MAP_BLOCKSIZE/2) * BS,
+ ((float)blockpos_nodes.Z + MAP_BLOCKSIZE/2) * BS
+ );
+
+ // Block position relative to camera
+ v3f blockpos_relative = blockpos - camera_pos;
+
+ // Distance in camera direction (+=front, -=back)
+ f32 dforward = blockpos_relative.dotProduct(camera_dir);
+
+ // Total distance
+ f32 d = blockpos_relative.getLength();
+
+ if(distance_ptr)
+ *distance_ptr = d;
+
+ // If block is very close, it is always in sight
+ if(d < 1.44*1.44*MAP_BLOCKSIZE*BS/2)
+ return true;
+
+ // If block is far away, it's not in sight
+ if(d > range * BS)
+ return false;
+
+ // Maximum radius of a block
+ f32 block_max_radius = 0.5*1.44*1.44*MAP_BLOCKSIZE*BS;
+
+ // If block is (nearly) touching the camera, don't
+ // bother validating further (that is, render it anyway)
+ if(d < block_max_radius)
+ return true;
+
+ // Cosine of the angle between the camera direction
+ // and the block direction (camera_dir is an unit vector)
+ f32 cosangle = dforward / d;
+
+ // Compensate for the size of the block
+ // (as the block has to be shown even if it's a bit off FOV)
+ // This is an estimate, plus an arbitary factor
+ cosangle += block_max_radius / d * 0.5;
+
+ // If block is not in the field of view, skip it
+ if(cosangle < cos(camera_fov / 2))
+ return false;
+
+ return true;
+}
+
+// Get an sha-1 hash of the player's name combined with
+// the password entered. That's what the server uses as
+// their password. (Exception : if the password field is
+// blank, we send a blank password - this is for backwards
+// compatibility with password-less players).
+std::string translatePassword(std::string playername, std::wstring password)
+{
+ if(password.length() == 0)
+ return "";
+
+ std::string slt = playername + wide_to_narrow(password);
+ SHA1 sha1;
+ sha1.addBytes(slt.c_str(), slt.length());
+ unsigned char *digest = sha1.getDigest();
+ std::string pwd = base64_encode(digest, 20);
+ free(digest);
+ return pwd;
+}
+
+
+
+PointedThing::PointedThing():
+ type(POINTEDTHING_NOTHING),
+ node_undersurface(0,0,0),
+ node_abovesurface(0,0,0),
+ object_id(-1)
+{}
+
+std::string PointedThing::dump() const
+{
+ std::ostringstream os(std::ios::binary);
+ if(type == POINTEDTHING_NOTHING)
+ {
+ os<<"[nothing]";
+ }
+ else if(type == POINTEDTHING_NODE)
+ {
+ const v3s16 &u = node_undersurface;
+ const v3s16 &a = node_abovesurface;
+ os<<"[node under="<<u.X<<","<<u.Y<<","<<u.Z
+ << " above="<<a.X<<","<<a.Y<<","<<a.Z<<"]";
+ }
+ else if(type == POINTEDTHING_OBJECT)
+ {
+ os<<"[object "<<object_id<<"]";
+ }
+ else
+ {
+ os<<"[unknown PointedThing]";
+ }
+ return os.str();
+}
+
+void PointedThing::serialize(std::ostream &os) const
+{
+ writeU8(os, 0); // version
+ writeU8(os, (u8)type);
+ if(type == POINTEDTHING_NOTHING)
+ {
+ // nothing
+ }
+ else if(type == POINTEDTHING_NODE)
+ {
+ writeV3S16(os, node_undersurface);
+ writeV3S16(os, node_abovesurface);
+ }
+ else if(type == POINTEDTHING_OBJECT)
+ {
+ writeS16(os, object_id);
+ }
+}
+
+void PointedThing::deSerialize(std::istream &is)
+{
+ int version = readU8(is);
+ if(version != 0) throw SerializationError(
+ "unsupported PointedThing version");
+ type = (PointedThingType) readU8(is);
+ if(type == POINTEDTHING_NOTHING)
+ {
+ // nothing
+ }
+ else if(type == POINTEDTHING_NODE)
+ {
+ node_undersurface = readV3S16(is);
+ node_abovesurface = readV3S16(is);
+ }
+ else if(type == POINTEDTHING_OBJECT)
+ {
+ object_id = readS16(is);
+ }
+ else
+ {
+ throw SerializationError(
+ "unsupported PointedThingType");
+ }
+}
+
+bool PointedThing::operator==(const PointedThing &pt2) const
+{
+ if(type != pt2.type)
+ return false;
+ if(type == POINTEDTHING_NODE)
+ {
+ if(node_undersurface != pt2.node_undersurface)
+ return false;
+ if(node_abovesurface != pt2.node_abovesurface)
+ return false;
+ }
+ else if(type == POINTEDTHING_OBJECT)
+ {
+ if(object_id != pt2.object_id)
+ return false;
+ }
+ return true;
+}
+
+bool PointedThing::operator!=(const PointedThing &pt2) const
+{
+ return !(*this == pt2);
+}
projects / dragonfireclient.git / blobdiff