1 files changed, 108 insertions, 0 deletions
diff --git a/src/game/server/entities/projectile.cpp b/src/game/server/entities/projectile.cpp
new file mode 100644
index 00000000..d258e69e
--- /dev/null
+++ b/src/game/server/entities/projectile.cpp
@@ -0,0 +1,108 @@
+#include <engine/e_server_interface.h>
+#include <game/generated/g_protocol.hpp>
+#include <game/server/gs_common.hpp>
+#include "projectile.hpp"
+
+
+//////////////////////////////////////////////////
+// projectile
+//////////////////////////////////////////////////
+PROJECTILE::PROJECTILE(int type, int owner, vec2 pos, vec2 dir, int span, ENTITY* powner,
+	int damage, int flags, float force, int sound_impact, int weapon)
+: ENTITY(NETOBJTYPE_PROJECTILE)
+{
+	this->type = type;
+	this->pos = pos;
+	this->direction = dir;
+	this->lifespan = span;
+	this->owner = owner;
+	this->powner = powner;
+	this->flags = flags;
+	this->force = force;
+	this->damage = damage;
+	this->sound_impact = sound_impact;
+	this->weapon = weapon;
+	this->bounce = 0;
+	this->start_tick = server_tick();
+	game.world.insert_entity(this);
+}
+
+void PROJECTILE::reset()
+{
+	game.world.destroy_entity(this);
+}
+
+vec2 PROJECTILE::get_pos(float time)
+{
+	float curvature = 0;
+	float speed = 0;
+	if(type == WEAPON_GRENADE)
+	{
+		curvature = tuning.grenade_curvature;
+		speed = tuning.grenade_speed;
+	}
+	else if(type == WEAPON_SHOTGUN)
+	{
+		curvature = tuning.shotgun_curvature;
+		speed = tuning.shotgun_speed;
+	}
+	else if(type == WEAPON_GUN)
+	{
+		curvature = tuning.gun_curvature;
+		speed = tuning.gun_speed;
+	}
+	
+	return calc_pos(pos, direction, curvature, speed, time);
+}
+
+
+void PROJECTILE::tick()
+{
+	
+	float pt = (server_tick()-start_tick-1)/(float)server_tickspeed();
+	float ct = (server_tick()-start_tick)/(float)server_tickspeed();
+	vec2 prevpos = get_pos(pt);
+	vec2 curpos = get_pos(ct);
+
+	lifespan--;
+	
+	int collide = col_intersect_line(prevpos, curpos, &curpos);
+	//int collide = col_check_point((int)curpos.x, (int)curpos.y);
+	
+	CHARACTER *targetchr = game.world.intersect_character(prevpos, curpos, 6.0f, curpos, powner);
+	if(targetchr || collide || lifespan < 0)
+	{
+		if(lifespan >= 0 || weapon == WEAPON_GRENADE)
+			game.create_sound(curpos, sound_impact);
+
+		if(flags & PROJECTILE_FLAGS_EXPLODE)
+			game.create_explosion(curpos, owner, weapon, false);
+		else if(targetchr)
+		{
+			targetchr->take_damage(direction * max(0.001f, force), damage, owner, weapon);
+		}
+
+		game.world.destroy_entity(this);
+	}
+}
+
+void PROJECTILE::fill_info(NETOBJ_PROJECTILE *proj)
+{
+	proj->x = (int)pos.x;
+	proj->y = (int)pos.y;
+	proj->vx = (int)(direction.x*100.0f);
+	proj->vy = (int)(direction.y*100.0f);
+	proj->start_tick = start_tick;
+	proj->type = type;
+}
+
+void PROJECTILE::snap(int snapping_client)
+{
+	float ct = (server_tick()-start_tick)/(float)server_tickspeed();
+	
+	if(distance(game.players[snapping_client].view_pos, get_pos(ct)) > 1000.0f)
+		return;
+
+	NETOBJ_PROJECTILE *proj = (NETOBJ_PROJECTILE *)snap_new_item(NETOBJTYPE_PROJECTILE, id, sizeof(NETOBJ_PROJECTILE));
+	fill_info(proj);
+}