Implement visible goals for locating characters

rwengine/include/engine/GameWorld.hpp

@@ -30,6 +30,23 @@ class ScriptMachine;
 #include <queue>
 #include <random>
 
+/**
+ * Information about "Goal" locations so they can be rendered
+ * (this doesn't really belong here).
+ */
+struct AreaIndicatorInfo
+{
+	enum AreaIndicatorType
+	{
+		Cylinder
+	};
+	
+	AreaIndicatorType type;
+	glm::vec3 position;
+	glm::vec3 radius;
+};
+
+
 /**
  * @brief Handles all data relating to object instances and other "worldly" state.
  */
@@ -258,12 +275,20 @@ public:
 	void disableAIPaths(AIGraphNode::NodeType type, const glm::vec3& min, const glm::vec3& max);
 	void enableAIPaths(AIGraphNode::NodeType type, const glm::vec3& min, const glm::vec3& max);
 	
+	void drawAreaIndicator(AreaIndicatorInfo::AreaIndicatorType type, glm::vec3 position, glm::vec3 radius);
+	
+	const std::vector<AreaIndicatorInfo>& getAreaIndicators() const { return areaIndicators; }
+	
+	void clearTickData();
+
 private:
 
 	/**
 	 * @brief Used by objects to delete themselves during updates.
 	 */
 	std::queue<GameObject*> deletionQueue;
+
+	std::vector<AreaIndicatorInfo> areaIndicators;
 };
 
 #endif

rwengine/include/render/GameRenderer.hpp

@@ -15,6 +15,8 @@ class ModelFrame;
 class GameWorld;
 class GameObject;
 
+class AreaIndicatorInfo;
+
 /// @todo migrate to some other way of rendering each object type.
 class CharacterObject;
 class VehicleObject;
@@ -147,6 +149,7 @@ public:
 	Renderer::ShaderProgram* worldProg;
 	Renderer::ShaderProgram* skyProg;
 	Renderer::ShaderProgram* waterProg;
+	Renderer::ShaderProgram* particleProg;
 
 	GLuint particleProgram;
 
@@ -159,6 +162,9 @@ public:
 	DrawBuffer skyDbuff;
 	GeometryBuffer skyGbuff;
 	
+	DrawBuffer cylinderBuffer;
+	GeometryBuffer cylinderGeometry;
+	
     /**
 	 * Renders the world using the parameters of the passed Camera.
 	 * Note: The camera's near and far planes are overriden by weather effects.
@@ -219,6 +225,9 @@ public:
 
 	void renderGeometry(Model*, size_t geom, const glm::mat4& modelMatrix, float opacity, GameObject* = nullptr);
 	
+	/** Renders the area indicator */
+	void renderAreaIndicator(const AreaIndicatorInfo* info);
+
 	/** method for rendering AI debug information */
 	void renderPaths();
 

rwengine/include/render/GeometryBuffer.hpp

@@ -57,6 +57,9 @@ public:
 	GLuint getVBOName() const
 		{ return vbo; }
 	
+	GLsizei getCount() const
+		{ return num; }
+	
 	/**
 	 * Uploads Vertex Buffer data from an STL vector
 	 * 

rwengine/src/engine/GameWorld.cpp

@@ -768,4 +768,14 @@ void GameWorld::enableAIPaths(AIGraphNode::NodeType type, const glm::vec3& min,
 	}
 }
 
+void GameWorld::drawAreaIndicator(AreaIndicatorInfo::AreaIndicatorType type, glm::vec3 position, glm::vec3 radius)
+{
+	areaIndicators.push_back({type, position, radius});
+}
+
+void GameWorld::clearTickData()
+{
+	areaIndicators.clear();
+}
+
 

rwengine/src/render/GameRenderer.cpp

@@ -91,6 +91,14 @@ GameRenderer::GameRenderer(GameWorld* engine)
 	renderer->setProgramBlockBinding(worldProg, "SceneData", 1);
 	renderer->setProgramBlockBinding(worldProg, "ObjectData", 2);
 	
+	particleProg = renderer->createShader(
+		GameShaders::WorldObject::VertexShader,
+		GameShaders::Particle::FragmentShader);
+	
+	renderer->setUniformTexture(particleProg, "texture", 0);
+	renderer->setProgramBlockBinding(particleProg, "SceneData", 1);
+	renderer->setProgramBlockBinding(particleProg, "ObjectData", 2);
+
 	particleProgram = compileProgram(GameShaders::WorldObject::VertexShader,
 								  GameShaders::Particle::FragmentShader);
 
@@ -206,6 +214,30 @@ GameRenderer::GameRenderer(GameWorld* engine)
 	ssRectColour = glGetUniformLocation(ssRectProgram, "colour");
 	ssRectSize = glGetUniformLocation(ssRectProgram, "size");
 	ssRectOffset = glGetUniformLocation(ssRectProgram, "offset");
+	
+	const static int cylsegments = 16;
+	std::vector<Model::GeometryVertex> cylverts;
+	for(int s = 0; s < cylsegments; ++s)
+	{
+		float theta = (2.f*glm::pi<float>()/cylsegments) * (s+0);
+		float gamma = (2.f*glm::pi<float>()/cylsegments) * (s+1);
+		glm::vec2 p0( glm::sin(theta), glm::cos(theta) );
+		glm::vec2 p1( glm::sin(gamma), glm::cos(gamma) );
+		
+		p0 *= 0.5f;
+		p1 *= 0.5f;
+		
+		cylverts.push_back({glm::vec3(p0, 2.f), glm::vec3(), glm::vec2(0.45f,0.6f), glm::u8vec4(255, 255, 255, 50)});
+		cylverts.push_back({glm::vec3(p0,-1.f), glm::vec3(), glm::vec2(0.45f,0.4f), glm::u8vec4(255, 255, 255, 150)});
+		cylverts.push_back({glm::vec3(p1, 2.f), glm::vec3(), glm::vec2(0.55f,0.6f), glm::u8vec4(255, 255, 255, 50)});
+		
+		cylverts.push_back({glm::vec3(p0,-1.f), glm::vec3(), glm::vec2(0.45f,0.4f), glm::u8vec4(255, 255, 255, 150)});
+		cylverts.push_back({glm::vec3(p1,-1.f), glm::vec3(), glm::vec2(0.55f,0.4f), glm::u8vec4(255, 255, 255, 150)});
+		cylverts.push_back({glm::vec3(p1, 2.f), glm::vec3(), glm::vec2(0.55f,0.6f), glm::u8vec4(255, 255, 255, 50)});
+	}
+	cylinderGeometry.uploadVertices<Model::GeometryVertex>(cylverts);
+	cylinderBuffer.addGeometry(&cylinderGeometry);
+	cylinderBuffer.setFaceType(GL_TRIANGLES);
 }
 
 float mix(uint8_t a, uint8_t b, float num)
@@ -318,6 +350,15 @@ void GameRenderer::renderWorld(const ViewCamera &camera, float alpha)
 	}
 	transparentDrawQueue.clear();
 	
+	// Draw goal indicators
+	glDepthMask(GL_FALSE);
+	renderer->useProgram( particleProg );
+	for(auto& i : engine->getAreaIndicators())
+	{
+		renderAreaIndicator( &i );
+	}
+	glDepthMask(GL_TRUE);
+
 	// Draw the water.
 	renderer->useProgram( waterProg );
 
@@ -858,6 +899,33 @@ void GameRenderer::renderGeometry(Model* model, size_t g, const glm::mat4& model
 	}
 }
 
+#define GOAL_RINGS 3
+void GameRenderer::renderAreaIndicator(const AreaIndicatorInfo* info)
+{
+	glm::mat4 m(1.f);
+	m = glm::translate(m, info->position);
+	glm::vec3 scale = info->radius + 0.15f * glm::sin(engine->gameTime * 5.f);
+	
+	Renderer::DrawParameters dp;
+	dp.texture = engine->gameData.textures[{"cloud1",""}].texName;
+	dp.ambient = 1.f;
+	dp.colour = glm::u8vec4(50, 100, 255, 1);
+	dp.start = 0;
+	dp.count = cylinderGeometry.getCount();
+	dp.diffuse = 1.f;
+	
+	for(int i = 0; i < GOAL_RINGS; i++)
+	{
+		glm::mat4 mt = m;
+		glm::vec3 final = scale * glm::pow(0.9f, i + 1.0f);
+		mt = glm::scale(mt, glm::vec3(final.x, final.y, 1.0f + i * 0.1f));
+		int reverse = (i % 2 ? 1 : -1);
+		mt = glm::rotate(mt, reverse * engine->gameTime * 0.5f, glm::vec3(0.f, 0.f, 1.f) );
+		
+		renderer->drawArrays(mt, &cylinderBuffer, dp);
+	}
+}
+
 void GameRenderer::renderParticles()
 {
 	_particles.erase( std::remove_if(_particles.begin(), _particles.end(),

rwengine/src/render/GameShaders.cpp

@@ -220,12 +220,11 @@ layout(std140) uniform ObjectData {
 void main()
 {
 	vec4 c = texture2D(texture, TexCoords);
-	c.a	= clamp(0, length(c.rgb/3.0), 1);
+	c.a = clamp(0, length(c.rgb/length(vec3(1,1,1))), 1);
 	if(c.a <= ALPHA_DISCARD_THRESHOLD) discard;
 	float fogZ = (gl_FragCoord.z / gl_FragCoord.w);
 	float fogfac = clamp( (fogStart-fogZ)/(fogEnd-fogStart), 0.0, 1.0 );
-	outColour = mix(ambient, colour * (vec4(0.5) + Colour * 0.5)
-					   * (vec4(0.5) + dynamic * 0.5) * c, 1.f);
+	outColour = mix(ambient, c * colour * Colour, 1.f);
 })";
 
 

rwengine/src/script/modules/ObjectModule.cpp

@@ -9,6 +9,7 @@
 #include <objects/CharacterObject.hpp>
 
 #include <render/Model.hpp>
+#include <render/GameRenderer.hpp>
 #include <engine/Animator.hpp>
 #include <engine/GameWorld.hpp>
 #include <engine/GameWorld.hpp>
@@ -224,7 +225,8 @@ bool game_player_in_area_2d_in_vehicle(const ScriptArguments& args)
 	auto character = static_cast<CharacterController*>(*args[0].handle);
 	glm::vec2 position(args[1].real, args[2].real);
 	glm::vec2 radius(args[3].real, args[4].real);
-	bool show = args[5].integer;
+	
+	bool drawCylinder = args[5].integer;
 	
 	if( character->getCharacter()->getCurrentVehicle() == nullptr )
 	{
@@ -239,6 +241,12 @@ bool game_player_in_area_2d_in_vehicle(const ScriptArguments& args)
 		return true;
 	}
 	
+	if( drawCylinder )
+	{
+		auto ground = args.getVM()->getWorld()->getGroundAtPosition(glm::vec3(position, 100.f));
+		args.getVM()->getWorld()->drawAreaIndicator(AreaIndicatorInfo::Cylinder, ground + glm::vec3(0.f, 0.f, 4.5f), glm::vec3(radius, 5.f));
+	}
+	
 	return false;
 }
 
@@ -414,6 +422,7 @@ bool game_character_in_area_on_foot(const ScriptArguments& args)
 bool game_character_stoped_in_volume_in_vehicle(const ScriptArguments& args)
 {
 	auto controller = static_cast<CharacterController*>(*args[0].handle);
+	bool drawCylinder = !!args[7].integer;
 	
 	if( controller && controller->getCharacter()->getCurrentVehicle() != nullptr )
 	{
@@ -429,8 +438,13 @@ bool game_character_stoped_in_volume_in_vehicle(const ScriptArguments& args)
 		{
 			return controller->getCharacter()->getCurrentVehicle()->physVehicle->getCurrentSpeedKmHour() < 0.75f;
 		}
-	}
 		
+		// Request the renderer draw a cylinder here.
+		if( drawCylinder )
+		{
+			args.getVM()->getWorld()->drawAreaIndicator(AreaIndicatorInfo::Cylinder, (max+min)/2.f, (max-min)/2.f);
+		}
+	}
 	return false;
 }
 
@@ -441,6 +455,8 @@ bool game_character_stoped_in_volume(const ScriptArguments& args)
 	
 	glm::vec3 vec1(args[1].real, args[2].real, args[3].real);
 	glm::vec3 vec2(args[4].real, args[5].real, args[6].real);
+	bool drawCylinder = !!args[7].integer;
+	
 	glm::vec3 min = glm::min(vec1, vec2);
 	glm::vec3 max = glm::max(vec1, vec2);
 	
@@ -459,6 +475,11 @@ bool game_character_stoped_in_volume(const ScriptArguments& args)
 		}
 	}
 	
+	if( drawCylinder )
+	{
+		args.getVM()->getWorld()->drawAreaIndicator(AreaIndicatorInfo::Cylinder, (max+min)/2.f, (max-min)/2.f);
+	}
+	
 	return false;
 }
 

rwgame/RWGame.cpp

@@ -115,6 +115,9 @@ int RWGame::run()
 
 void RWGame::tick(float dt)
 {
+	// Clear out any per-tick state.
+	engine->clearTickData();
+	
 	// Process the Engine's background work.
 	engine->_work->update();