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Code Issues Projects Releases Activity

Implement weapon firing, debug tracers

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This commit is contained in:
Daniel Evans 2014-06-30 01:56:45 +01:00
parent 0214a29ca3
commit 799127f8f8
6 changed files with 55 additions and 6 deletions
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3
rwengine/include/ai/CharacterController.hpp
View File

@ -123,9 +123,10 @@ namespace Activities {
DECL_ACTIVITY( ShootWeapon )
WeaponItem* _item;
bool _fired;
ShootWeapon( WeaponItem* item )
: _item(item) {}
: _item(item), _fired(false) {}
bool update(CharacterObject *character, CharacterController *controller);
};

2
rwengine/include/engine/GameWorld.hpp
View File

@ -112,7 +112,7 @@ public:
/**
* Performs a weapon scan against things in the world
*/
void doWeaponScan( WeaponScan& scan );
void doWeaponScan(const WeaponScan &scan );
/**
* Returns the current hour

6
rwengine/include/render/GameRenderer.hpp
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@ -45,6 +45,8 @@ class GameRenderer
float _renderAlpha;
std::vector<std::pair<glm::vec3, glm::vec3>> _tracers;
public:
GameRenderer(GameWorld*);
@ -92,6 +94,10 @@ public:
*/
void renderPaths();
void addTracer(const glm::vec3& from, const glm::vec3& to) {
_tracers.push_back({from, to});
}
static GLuint currentUBO;
template<class T> void uploadUBO(GLuint buffer, const T& data)
{

11
rwengine/src/ai/CharacterController.cpp
View File

@ -184,6 +184,17 @@ bool Activities::ShootWeapon::update(CharacterObject *character, CharacterContro
character->animator->setAnimation(shootanim, false);
if( character->animator->getAnimationTime() >= wepdata->animLoopEnd / 100.f ) {
character->animator->setAnimationTime( wepdata->animLoopStart / 100.f );
_fired = false;
}
if( !_fired && character->animator->getAnimationTime() >= wepdata->animFirePoint / 100.f ) {
auto farTarget = character->getPosition() +
character->getRotation() * glm::vec3(0.f, wepdata->hitRange, 0.f);
auto fireOrigin = character->getPosition() +
character->getRotation() * wepdata->fireOffset;
character->engine->doWeaponScan(WeaponScan(wepdata->damage, fireOrigin, farTarget));
_fired = true;
}
}
}

8
rwengine/src/engine/GameWorld.cpp
View File

@ -402,7 +402,7 @@ void GameWorld::destroyObject(GameObject* object)
delete object;
}
void GameWorld::doWeaponScan(WeaponScan &scan)
void GameWorld::doWeaponScan(const WeaponScan &scan)
{
if( scan.type == WeaponScan::RADIUS ) {
// TODO
@ -411,6 +411,7 @@ void GameWorld::doWeaponScan(WeaponScan &scan)
else if( scan.type == WeaponScan::HITSCAN ) {
btVector3 from(scan.center.x, scan.center.y, scan.center.z),
to(scan.end.x, scan.end.y, scan.end.z);
glm::vec3 hitEnd = scan.end;
btCollisionWorld::ClosestRayResultCallback cb(from, to);
cb.m_collisionFilterGroup = btBroadphaseProxy::AllFilter;
dynamicsWorld->rayTest(from, to, cb);
@ -419,7 +420,7 @@ void GameWorld::doWeaponScan(WeaponScan &scan)
if( cb.hasHit() ) {
GameObject* go = static_cast<GameObject*>(cb.m_collisionObject->getUserPointer());
GameObject::DamageInfo di;
di.damageLocation = glm::vec3(cb.m_hitPointWorld.x(),
hitEnd = di.damageLocation = glm::vec3(cb.m_hitPointWorld.x(),
cb.m_hitPointWorld.y(),
cb.m_hitPointWorld.z() );
di.damageSource = scan.center;
@ -427,6 +428,9 @@ void GameWorld::doWeaponScan(WeaponScan &scan)
di.hitpoints = scan.damage;
go->takeDamage(di);
}
// Make the renderer draw a tracer.
renderer.addTracer(scan.center, hitEnd);
}
}

31
rwengine/src/render/GameRenderer.cpp
View File

@ -480,7 +480,34 @@ void GameRenderer::renderWorld(float alpha)
glUniform4f(skyUniBottom, skyBottom.r, skyBottom.g, skyBottom.b, 1.f);
glDrawElements(GL_TRIANGLES, skydomeSegments * skydomeRows * 6, GL_UNSIGNED_SHORT, NULL);
// Draw bullets like this for now
if( _tracers.size() > 0 ) {
glUseProgram(worldProgram);
glBindVertexArray( vao );
glBindBuffer(GL_ARRAY_BUFFER, debugVBO);
glBindTexture(GL_TEXTURE_2D, debugTex);
glBufferData(GL_ARRAY_BUFFER, sizeof(glm::vec3) * _tracers.size() * 2, _tracers.data(), GL_STREAM_DRAW);
GLint posAttrib = glGetAttribLocation(worldProgram, "position");
glEnableVertexAttribArray(posAttrib);
glVertexAttribPointer(posAttrib, 3, GL_FLOAT, GL_FALSE, 0, 0);
uploadUBO<ObjectUniformData>(
uboObject, {
glm::mat4(),
glm::vec4(1.f),
1.f, 1.f
});
float img3[] = {1.f, 1.f, 0.f};
glTexImage2D(
GL_TEXTURE_2D, 0, GL_RGB, 1, 1,
0, GL_RGB, GL_FLOAT, img3
);
glDrawArrays(GL_LINES, 0, _tracers.size());
_tracers.clear();
}
glUseProgram(0);
glBindBuffer(GL_ARRAY_BUFFER, 0);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
@ -744,6 +771,6 @@ void GameRenderer::renderPaths()
glDrawArrays(GL_LINES, 0, pedlines.size());
pedlines.clear();
carlines.clear();
carlines.clear();
glBindVertexArray( 0 );
}