summaryrefslogtreecommitdiffhomepage
path: root/Stars45/Debris.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'Stars45/Debris.cpp')
-rw-r--r--Stars45/Debris.cpp462
1 files changed, 243 insertions, 219 deletions
diff --git a/Stars45/Debris.cpp b/Stars45/Debris.cpp
index eef237c..d867fb9 100644
--- a/Stars45/Debris.cpp
+++ b/Stars45/Debris.cpp
@@ -1,220 +1,244 @@
-/* Project Starshatter 4.5
- Destroyer Studios LLC
- Copyright © 1997-2004. All Rights Reserved.
-
- SUBSYSTEM: Stars.exe
- FILE: Debris.cpp
- AUTHOR: John DiCamillo
-
-
- OVERVIEW
- ========
- Debris Sprite animation class
-*/
-
-#include "MemDebug.h"
-#include "Debris.h"
-#include "Shot.h"
-#include "Explosion.h"
-#include "Sim.h"
-#include "StarSystem.h"
-#include "Terrain.h"
-
-#include "Solid.h"
-#include "Bitmap.h"
-#include "DataLoader.h"
-#include "Game.h"
-#include "Random.h"
-
-// +--------------------------------------------------------------------+
-
-Debris::Debris(Model* model, const Vec3& pos, const Vec3& vel, double m)
-: SimObject("Debris", SimObject::SIM_DEBRIS)
-{
- MoveTo(pos);
-
- velocity = vel;
- mass = (float) m;
- integrity = mass * 10.0f;
- life = 300;
-
- Solid* solid = new(__FILE__,__LINE__) Solid;
-
- if (solid) {
- solid->UseModel(model);
- solid->MoveTo(pos);
-
- rep = solid;
-
- radius = solid->Radius();
- }
-
- Point torque = RandomVector(Mass()/2);
-
- if (Mass() < 10)
- torque *= (rand() / 3200);
- else if (Mass() > 10e3)
- torque *= 0.25;
- else if (Mass() > 10e6)
- torque *= 0.005;
-
- ApplyTorque(torque);
-}
-
-// +--------------------------------------------------------------------+
-
-int
-Debris::HitBy(Shot* shot, Point& impact)
-{
- if (!shot->IsArmed()) return 0;
-
- const int HIT_NOTHING = 0;
- const int HIT_HULL = 1;
-
- Point hull_impact;
- int hit_type = HIT_NOTHING;
- bool hit_hull = true;
- Point shot_loc = shot->Location();
- Point delta = shot_loc - Location();
- double dlen = delta.length();
- double dscale = 1;
- float scale = 1.0f;
- Sim* sim = Sim::GetSim();
-
- // MISSILE PROCESSING ------------------------------------------------
-
- if (shot->IsMissile()) {
- if (dlen < Radius()) {
- hull_impact = impact = shot_loc;
- sim->CreateExplosion(impact, Velocity(), Explosion::HULL_FLASH, 0.3f * scale, scale, region, this);
- sim->CreateExplosion(impact, Point(), Explosion::SHOT_BLAST, 2.0f, scale, region);
- hit_type = HIT_HULL;
- }
- }
-
- // ENERGY WEP PROCESSING ---------------------------------------------
-
- else {
-
- Solid* solid = (Solid*) rep;
-
- Point shot_loc = shot->Location();
- Point shot_vpn = shot_loc - shot->Origin();
- double shot_len = shot_vpn.Normalize();
- if (shot_len == 0) shot_len = 1000;
-
- // impact:
- if (solid) {
- if (solid->CheckRayIntersection(shot->Origin(), shot_vpn, shot_len, impact)) {
- // trim beam shots to impact point:
- if (shot->IsBeam())
- shot->SetBeamPoints(shot->Origin(), impact);
-
- hull_impact = impact;
-
- if (shot->IsBeam())
- sim->CreateExplosion(impact, Velocity(), Explosion::BEAM_FLASH, 0.30f * scale, scale, region, this);
- else
- sim->CreateExplosion(impact, Velocity(), Explosion::HULL_FLASH, 0.30f * scale, scale, region, this);
-
- Point burst_vel = hull_impact - Location();
- burst_vel.Normalize();
- burst_vel *= Radius() * 0.5;
- burst_vel += Velocity();
-
- sim->CreateExplosion(hull_impact, burst_vel, Explosion::HULL_BURST, 0.50f * scale, scale, region, this);
-
- hit_type = HIT_HULL;
- hit_hull = true;
- }
- }
-
- else {
- if (dlen < Radius()) {
- hull_impact = impact = shot_loc;
-
- if (shot->IsBeam())
- sim->CreateExplosion(impact, Velocity(), Explosion::BEAM_FLASH, 0.30f * scale, scale, region, this);
- else
- sim->CreateExplosion(impact, Velocity(), Explosion::HULL_FLASH, 0.30f * scale, scale, region, this);
-
- hit_type = HIT_HULL;
- }
- }
- }
-
- // DAMAGE RESOLUTION -------------------------------------------------
-
- if (hit_type != HIT_NOTHING) {
- double effective_damage = shot->Damage() * dscale;
-
- if (shot->IsBeam()) {
- effective_damage *= Game::FrameTime();
- }
- else {
- ApplyTorque(shot->Velocity() * (float) effective_damage * 1e-6f);
- }
-
- if (effective_damage > 0)
- Physical::InflictDamage(effective_damage);
- }
-
- return hit_type;
-}
-
-// +--------------------------------------------------------------------+
-
-void
-Debris::ExecFrame(double seconds)
-{
- if (GetRegion()->Type() == SimRegion::AIR_SPACE) {
- if (AltitudeAGL() < Radius()) {
- velocity = Point();
- arcade_velocity = Point();
-
- Terrain* terrain = region->GetTerrain();
-
- if (terrain) {
- Point loc = Location();
- MoveTo(Point(loc.x, terrain->Height(loc.x, loc.z), loc.z));
- }
- }
- else {
- if (mass > 100) {
- Orbital* primary = GetRegion()->GetOrbitalRegion()->Primary();
-
- const double GRAV = 6.673e-11;
- double m0 = primary->Mass();
- double r = primary->Radius();
-
- SetDrag(0.001);
- SetGravity(6 * GRAV * m0 / (r*r)); // accentuate gravity
- SetBaseDensity(1.0f);
- }
-
- AeroFrame(seconds);
- }
- }
- else {
- Physical::ExecFrame(seconds);
- }
-}
-
-// +--------------------------------------------------------------------+
-
-double
-Debris::AltitudeAGL() const
-{
- Point loc = Location();
- double altitude_agl = loc.y;
-
- Terrain* terrain = region->GetTerrain();
-
- if (terrain)
- altitude_agl -= terrain->Height(loc.x, loc.z);
-
- if (!_finite(altitude_agl))
- altitude_agl = 0;
-
- return altitude_agl;
+/* Starshatter OpenSource Distribution
+ Copyright (c) 1997-2004, Destroyer Studios LLC.
+ All Rights Reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+ * Neither the name "Destroyer Studios" nor the names of its contributors
+ may be used to endorse or promote products derived from this software
+ without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ POSSIBILITY OF SUCH DAMAGE.
+
+ SUBSYSTEM: Stars.exe
+ FILE: Debris.cpp
+ AUTHOR: John DiCamillo
+
+
+ OVERVIEW
+ ========
+ Debris Sprite animation class
+*/
+
+#include "MemDebug.h"
+#include "Debris.h"
+#include "Shot.h"
+#include "Explosion.h"
+#include "Sim.h"
+#include "StarSystem.h"
+#include "Terrain.h"
+
+#include "Solid.h"
+#include "Bitmap.h"
+#include "DataLoader.h"
+#include "Game.h"
+#include "Random.h"
+
+// +--------------------------------------------------------------------+
+
+Debris::Debris(Model* model, const Vec3& pos, const Vec3& vel, double m)
+: SimObject("Debris", SimObject::SIM_DEBRIS)
+{
+ MoveTo(pos);
+
+ velocity = vel;
+ mass = (float) m;
+ integrity = mass * 10.0f;
+ life = 300;
+
+ Solid* solid = new(__FILE__,__LINE__) Solid;
+
+ if (solid) {
+ solid->UseModel(model);
+ solid->MoveTo(pos);
+
+ rep = solid;
+
+ radius = solid->Radius();
+ }
+
+ Point torque = RandomVector(Mass()/2);
+
+ if (Mass() < 10)
+ torque *= (rand() / 3200);
+ else if (Mass() > 10e3)
+ torque *= 0.25;
+ else if (Mass() > 10e6)
+ torque *= 0.005;
+
+ ApplyTorque(torque);
+}
+
+// +--------------------------------------------------------------------+
+
+int
+Debris::HitBy(Shot* shot, Point& impact)
+{
+ if (!shot->IsArmed()) return 0;
+
+ const int HIT_NOTHING = 0;
+ const int HIT_HULL = 1;
+
+ Point hull_impact;
+ int hit_type = HIT_NOTHING;
+ bool hit_hull = true;
+ Point shot_loc = shot->Location();
+ Point delta = shot_loc - Location();
+ double dlen = delta.length();
+ double dscale = 1;
+ float scale = 1.0f;
+ Sim* sim = Sim::GetSim();
+
+ // MISSILE PROCESSING ------------------------------------------------
+
+ if (shot->IsMissile()) {
+ if (dlen < Radius()) {
+ hull_impact = impact = shot_loc;
+ sim->CreateExplosion(impact, Velocity(), Explosion::HULL_FLASH, 0.3f * scale, scale, region, this);
+ sim->CreateExplosion(impact, Point(), Explosion::SHOT_BLAST, 2.0f, scale, region);
+ hit_type = HIT_HULL;
+ }
+ }
+
+ // ENERGY WEP PROCESSING ---------------------------------------------
+
+ else {
+
+ Solid* solid = (Solid*) rep;
+
+ Point shot_loc = shot->Location();
+ Point shot_vpn = shot_loc - shot->Origin();
+ double shot_len = shot_vpn.Normalize();
+ if (shot_len == 0) shot_len = 1000;
+
+ // impact:
+ if (solid) {
+ if (solid->CheckRayIntersection(shot->Origin(), shot_vpn, shot_len, impact)) {
+ // trim beam shots to impact point:
+ if (shot->IsBeam())
+ shot->SetBeamPoints(shot->Origin(), impact);
+
+ hull_impact = impact;
+
+ if (shot->IsBeam())
+ sim->CreateExplosion(impact, Velocity(), Explosion::BEAM_FLASH, 0.30f * scale, scale, region, this);
+ else
+ sim->CreateExplosion(impact, Velocity(), Explosion::HULL_FLASH, 0.30f * scale, scale, region, this);
+
+ Point burst_vel = hull_impact - Location();
+ burst_vel.Normalize();
+ burst_vel *= Radius() * 0.5;
+ burst_vel += Velocity();
+
+ sim->CreateExplosion(hull_impact, burst_vel, Explosion::HULL_BURST, 0.50f * scale, scale, region, this);
+
+ hit_type = HIT_HULL;
+ hit_hull = true;
+ }
+ }
+
+ else {
+ if (dlen < Radius()) {
+ hull_impact = impact = shot_loc;
+
+ if (shot->IsBeam())
+ sim->CreateExplosion(impact, Velocity(), Explosion::BEAM_FLASH, 0.30f * scale, scale, region, this);
+ else
+ sim->CreateExplosion(impact, Velocity(), Explosion::HULL_FLASH, 0.30f * scale, scale, region, this);
+
+ hit_type = HIT_HULL;
+ }
+ }
+ }
+
+ // DAMAGE RESOLUTION -------------------------------------------------
+
+ if (hit_type != HIT_NOTHING) {
+ double effective_damage = shot->Damage() * dscale;
+
+ if (shot->IsBeam()) {
+ effective_damage *= Game::FrameTime();
+ }
+ else {
+ ApplyTorque(shot->Velocity() * (float) effective_damage * 1e-6f);
+ }
+
+ if (effective_damage > 0)
+ Physical::InflictDamage(effective_damage);
+ }
+
+ return hit_type;
+}
+
+// +--------------------------------------------------------------------+
+
+void
+Debris::ExecFrame(double seconds)
+{
+ if (GetRegion()->Type() == SimRegion::AIR_SPACE) {
+ if (AltitudeAGL() < Radius()) {
+ velocity = Point();
+ arcade_velocity = Point();
+
+ Terrain* terrain = region->GetTerrain();
+
+ if (terrain) {
+ Point loc = Location();
+ MoveTo(Point(loc.x, terrain->Height(loc.x, loc.z), loc.z));
+ }
+ }
+ else {
+ if (mass > 100) {
+ Orbital* primary = GetRegion()->GetOrbitalRegion()->Primary();
+
+ const double GRAV = 6.673e-11;
+ double m0 = primary->Mass();
+ double r = primary->Radius();
+
+ SetDrag(0.001);
+ SetGravity(6 * GRAV * m0 / (r*r)); // accentuate gravity
+ SetBaseDensity(1.0f);
+ }
+
+ AeroFrame(seconds);
+ }
+ }
+ else {
+ Physical::ExecFrame(seconds);
+ }
+}
+
+// +--------------------------------------------------------------------+
+
+double
+Debris::AltitudeAGL() const
+{
+ Point loc = Location();
+ double altitude_agl = loc.y;
+
+ Terrain* terrain = region->GetTerrain();
+
+ if (terrain)
+ altitude_agl -= terrain->Height(loc.x, loc.z);
+
+ if (!_finite(altitude_agl))
+ altitude_agl = 0;
+
+ return altitude_agl;
} \ No newline at end of file
generated by cgit v1.1 at 2024-06-28 06:07:53 +0000