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107 lines
2.6 KiB
C++
107 lines
2.6 KiB
C++
#include <engine/e_server_interface.h>
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#include <game/generated/g_protocol.hpp>
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#include <game/server/gamecontext.hpp>
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#include "projectile.hpp"
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//////////////////////////////////////////////////
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// projectile
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//////////////////////////////////////////////////
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PROJECTILE::PROJECTILE(int type, int owner, vec2 pos, vec2 dir, int span, ENTITY* powner,
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int damage, int flags, float force, int sound_impact, int weapon)
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: ENTITY(NETOBJTYPE_PROJECTILE)
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{
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this->type = type;
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this->pos = pos;
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this->direction = dir;
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this->lifespan = span;
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this->owner = owner;
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this->powner = powner;
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this->flags = flags;
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this->force = force;
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this->damage = damage;
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this->sound_impact = sound_impact;
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this->weapon = weapon;
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this->bounce = 0;
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this->start_tick = server_tick();
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game.world.insert_entity(this);
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}
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void PROJECTILE::reset()
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{
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game.world.destroy_entity(this);
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}
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vec2 PROJECTILE::get_pos(float time)
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{
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float curvature = 0;
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float speed = 0;
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if(type == WEAPON_GRENADE)
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{
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curvature = tuning.grenade_curvature;
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speed = tuning.grenade_speed;
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}
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else if(type == WEAPON_SHOTGUN)
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{
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curvature = tuning.shotgun_curvature;
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speed = tuning.shotgun_speed;
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}
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else if(type == WEAPON_GUN)
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{
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curvature = tuning.gun_curvature;
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speed = tuning.gun_speed;
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}
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return calc_pos(pos, direction, curvature, speed, time);
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}
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void PROJECTILE::tick()
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{
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float pt = (server_tick()-start_tick-1)/(float)server_tickspeed();
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float ct = (server_tick()-start_tick)/(float)server_tickspeed();
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vec2 prevpos = get_pos(pt);
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vec2 curpos = get_pos(ct);
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lifespan--;
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int collide = col_intersect_line(prevpos, curpos, &curpos);
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//int collide = col_check_point((int)curpos.x, (int)curpos.y);
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CHARACTER *targetchr = game.world.intersect_character(prevpos, curpos, 6.0f, curpos, powner);
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if(targetchr || collide || lifespan < 0)
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{
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if(lifespan >= 0 || weapon == WEAPON_GRENADE)
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game.create_sound(curpos, sound_impact);
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if(flags & PROJECTILE_FLAGS_EXPLODE)
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game.create_explosion(curpos, owner, weapon, false);
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else if(targetchr)
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targetchr->take_damage(direction * max(0.001f, force), damage, owner, weapon);
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game.world.destroy_entity(this);
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}
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}
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void PROJECTILE::fill_info(NETOBJ_PROJECTILE *proj)
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{
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proj->x = (int)pos.x;
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proj->y = (int)pos.y;
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proj->vx = (int)(direction.x*100.0f);
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proj->vy = (int)(direction.y*100.0f);
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proj->start_tick = start_tick;
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proj->type = type;
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}
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void PROJECTILE::snap(int snapping_client)
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{
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float ct = (server_tick()-start_tick)/(float)server_tickspeed();
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if(networkclipped(snapping_client, get_pos(ct)))
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return;
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NETOBJ_PROJECTILE *proj = (NETOBJ_PROJECTILE *)snap_new_item(NETOBJTYPE_PROJECTILE, id, sizeof(NETOBJ_PROJECTILE));
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fill_info(proj);
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}
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