X-Git-Url: http://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fapp.cpp;h=8c0793dfc123b4ab0f14bafd806aafc8c118f09e;hb=df75211841f870ca42c3b8bbc422ee43a517e766;hp=c418660ec48d209be4fef8ba2074c3aa1bb192ee;hpb=2d8c7c015478a4528c0909f11d43998b1393948d;p=blank.git

diff --git a/src/app.cpp b/src/app.cpp
index c418660..8c0793d 100644
--- a/src/app.cpp
+++ b/src/app.cpp
@@ -19,154 +19,39 @@ Application::Application()
 , move_velocity(0.003f)
 , pitch_sensitivity(-0.0025f)
 , yaw_sensitivity(-0.001f)
-, blockType()
 , cam()
-, chunk()
+, hud()
+, world()
 , outline()
 , outline_visible(false)
 , outline_transform(1.0f)
-, light_position(17.0f, 17.0f, 17.0f)
-, light_color(1.0f, 1.0f, 1.0f)
-, light_power(250.0f)
-, m_handle(0)
-, v_handle(0)
-, mv_handle(0)
-, mvp_handle(0)
-, light_position_handle(0)
-, light_color_handle(0)
-, light_power_handle(0)
 , running(false)
 , front(false)
 , back(false)
 , left(false)
 , right(false)
 , up(false)
-, down(false) {
+, down(false)
+, place(false)
+, remove(false)
+, pick(false)
+, remove_id(0)
+, place_id(1) {
 	GLContext::EnableVSync();
-	GLContext::EnableDepthTest();
-	GLContext::EnableBackfaceCulling();
-	program.LoadShader(
-		GL_VERTEX_SHADER,
-		"#version 330 core\n"
-		"layout(location = 0) in vec3 vtx_position;\n"
-		"layout(location = 1) in vec3 vtx_color;\n"
-		"layout(location = 2) in vec3 vtx_normal;\n"
-		"uniform mat4 M;\n"
-		"uniform mat4 V;\n"
-		"uniform mat4 MVP;\n"
-		"uniform vec3 light_position;\n"
-		"out vec3 frag_color;\n"
-		"out vec3 vtx_world;\n"
-		"out vec3 normal;\n"
-		"out vec3 eye;\n"
-		"out vec3 light_direction;\n"
-		"void main() {\n"
-			"vec4 v = vec4(vtx_position, 1);\n"
-			"gl_Position = MVP * v;\n"
-			"vtx_world = (M * v).xyz;\n"
-			"vec3 vtx_camera = (V * M * v).xyz;\n"
-			"eye = vec3(0, 0, 0) - vtx_camera;\n"
-			"vec3 light_camera = (V * v).xyz;\n"
-			"light_direction = light_position + eye;\n"
-			"normal = (V * M * vec4(vtx_normal, 0)).xyz;\n"
-			"frag_color = vtx_color;\n"
-		"}\n"
-	);
-	program.LoadShader(
-		GL_FRAGMENT_SHADER,
-		"#version 330 core\n"
-		"in vec3 frag_color;\n"
-		"in vec3 vtx_world;\n"
-		"in vec3 normal;\n"
-		"in vec3 eye;\n"
-		"in vec3 light_direction;\n"
-		"uniform mat4 MV;\n"
-		"uniform vec3 light_position;\n"
-		"uniform vec3 light_color;\n"
-		"uniform float light_power;\n"
-		"out vec3 color;\n"
-		"void main() {\n"
-			"vec3 ambient = vec3(0.1, 0.1, 0.1) * frag_color;\n"
-			"vec3 specular = vec3(0.3, 0.3, 0.3);\n"
-			"float distance = length(light_position - vtx_world);\n"
-			"vec3 n = normalize(normal);\n"
-			"vec3 l = normalize(light_direction);\n"
-			"float cos_theta = clamp(dot(n, l), 0, 1);\n"
-			"vec3 E = normalize(eye);\n"
-			"vec3 R = reflect(-l, n);\n"
-			"float cos_alpha = clamp(dot(E, R), 0, 1);\n"
-			"color = ambient"
-				" + frag_color * light_color * light_power * cos_theta / (distance * distance)"
-				" + specular * light_color * light_power * pow(cos_alpha, 5) / (distance * distance);\n"
-		"}\n"
-	);
-	program.Link();
-	if (!program.Linked()) {
-		program.Log(std::cerr);
-		throw std::runtime_error("link program");
-	}
 
 	GLuint VertexArrayID;
 	glGenVertexArrays(1, &VertexArrayID);
 	glBindVertexArray(VertexArrayID);
 
-	cam.Position(glm::vec3(0, 4, 4));
-
-	blockType.Add(BlockType(true, glm::vec3(1, 1, 1)));
-	blockType.Add(BlockType(true, glm::vec3(1, 0, 0)));
-	blockType.Add(BlockType(true, glm::vec3(0, 1, 0)));
-	blockType.Add(BlockType(true, glm::vec3(0, 0, 1)));
+	world.Generate();
 
-	chunk.BlockAt(glm::vec3(0, 0, 0)) = Block(blockType[4]);
-	chunk.BlockAt(glm::vec3(0, 0, 1)) = Block(blockType[1]);
-	chunk.BlockAt(glm::vec3(1, 0, 0)) = Block(blockType[2]);
-	chunk.BlockAt(glm::vec3(1, 0, 1)) = Block(blockType[3]);
-	chunk.BlockAt(glm::vec3(2, 0, 0)) = Block(blockType[4]);
-	chunk.BlockAt(glm::vec3(2, 0, 1)) = Block(blockType[1]);
-	chunk.BlockAt(glm::vec3(3, 0, 0)) = Block(blockType[2]);
-	chunk.BlockAt(glm::vec3(3, 0, 1)) = Block(blockType[3]);
-	chunk.BlockAt(glm::vec3(2, 0, 2)) = Block(blockType[4]);
-	chunk.BlockAt(glm::vec3(2, 0, 3)) = Block(blockType[1]);
-	chunk.BlockAt(glm::vec3(3, 0, 2)) = Block(blockType[2]);
-	chunk.BlockAt(glm::vec3(3, 0, 3)) = Block(blockType[3]);
-	chunk.BlockAt(glm::vec3(1, 1, 0)) = Block(blockType[1]);
-	chunk.BlockAt(glm::vec3(1, 1, 1)) = Block(blockType[4]);
-	chunk.BlockAt(glm::vec3(2, 1, 1)) = Block(blockType[3]);
-	chunk.BlockAt(glm::vec3(2, 2, 1)) = Block(blockType[2]);
-	chunk.Invalidate();
-
-	outline.vertices = std::vector<glm::vec3>({
-		{ 0.0f, 0.0f, 0.0f }, { 1.0f, 0.0f, 0.0f },
-		{ 1.0f, 0.0f, 0.0f }, { 1.0f, 1.0f, 0.0f },
-		{ 1.0f, 1.0f, 0.0f }, { 0.0f, 1.0f, 0.0f },
-		{ 0.0f, 1.0f, 0.0f }, { 0.0f, 0.0f, 0.0f },
-		{ 0.0f, 0.0f, 0.0f }, { 0.0f, 0.0f, 1.0f },
-		{ 1.0f, 0.0f, 0.0f }, { 1.0f, 0.0f, 1.0f },
-		{ 1.0f, 1.0f, 0.0f }, { 1.0f, 1.0f, 1.0f },
-		{ 0.0f, 1.0f, 0.0f }, { 0.0f, 1.0f, 1.0f },
-		{ 0.0f, 0.0f, 1.0f }, { 1.0f, 0.0f, 1.0f },
-		{ 1.0f, 0.0f, 1.0f }, { 1.0f, 1.0f, 1.0f },
-		{ 1.0f, 1.0f, 1.0f }, { 0.0f, 1.0f, 1.0f },
-		{ 0.0f, 1.0f, 1.0f }, { 0.0f, 0.0f, 1.0f },
-	});
-	outline.colors.resize(24, { -1, -1, -1 });
-	outline.Invalidate();
-
-	m_handle = program.UniformLocation("M");
-	v_handle = program.UniformLocation("V");
-	mv_handle = program.UniformLocation("MV");
-	mvp_handle = program.UniformLocation("MVP");
-	light_position_handle = program.UniformLocation("light_position");
-	light_color_handle = program.UniformLocation("light_color");
-	light_power_handle = program.UniformLocation("light_power");
+	cam.Position(glm::vec3(0, 4, 4));
+	hud.Viewport(960, 600);
+	hud.Display(*world.BlockTypes()[place_id]);
 
 	glClearColor(0.0, 0.0, 0.0, 1.0);
 }
 
-Application::~Application() {
-
-}
-
 
 void Application::Run() {
 	running = true;
@@ -207,13 +92,27 @@ void Application::HandleEvents() {
 						right = event.key.state == SDL_PRESSED;
 						break;
 					case SDLK_q:
+					case SDLK_SPACE:
 						up = event.key.state == SDL_PRESSED;
 						break;
 					case SDLK_e:
+					case SDLK_LSHIFT:
 						down = event.key.state == SDL_PRESSED;
 						break;
 				}
 				break;
+			case SDL_MOUSEBUTTONDOWN:
+				if (event.button.button == 1) {
+					// left
+					remove = true;
+				} else if (event.button.button == 2) {
+					// middle
+					pick = true;
+				} else if (event.button.button == 3) {
+					// right
+					place = true;
+				}
+				break;
 			case SDL_MOUSEMOTION:
 				cam.RotateYaw(event.motion.xrel * yaw_sensitivity);
 				cam.RotatePitch(event.motion.yrel * pitch_sensitivity);
@@ -225,6 +124,7 @@ void Application::HandleEvents() {
 				switch (event.window.event) {
 					case SDL_WINDOWEVENT_RESIZED:
 						cam.Viewport(event.window.data1, event.window.data2);
+						hud.Viewport(event.window.data1, event.window.data2);
 						break;
 					default:
 						break;
@@ -258,43 +158,70 @@ void Application::Update(int dt) {
 	cam.Update(dt);
 
 	Ray aim = cam.Aim();
+	Chunk *chunk;
 	int blkid;
 	float dist;
-	if (chunk.Intersection(aim, glm::mat4(1.0f), &blkid, &dist)) {
+	glm::vec3 normal;
+	if (world.Intersection(aim, glm::mat4(1.0f), &chunk, &blkid, &dist, &normal)) {
 		glm::vec3 pos = Chunk::ToCoords(blkid);
 		outline_visible = true;
-		outline_transform = glm::translate(glm::mat4(1.0f), pos);
+		outline.Clear();
+		chunk->BlockAt(blkid).type->FillOutlineModel(outline);
+		outline_transform = glm::translate(chunk->Transform(), pos);
+		outline_transform = glm::scale(outline_transform, glm::vec3(1.0001f));
 	} else {
 		outline_visible = false;
 	}
+
+	if (pick) {
+		if (chunk) {
+			place_id = chunk->BlockAt(blkid).type->id;
+			hud.Display(*world.BlockTypes()[place_id]);
+		}
+		pick = false;
+	}
+	if (remove) {
+		if (chunk) {
+			chunk->BlockAt(blkid).type = world.BlockTypes()[remove_id];
+			chunk->Invalidate();
+		}
+		remove = false;
+	}
+	if (place) {
+		if (chunk) {
+			Chunk *mod_chunk = chunk;
+			glm::vec3 next_pos = Chunk::ToCoords(blkid) + normal;
+			if (!Chunk::InBounds(next_pos)) {
+				mod_chunk = &world.Next(*chunk, normal);
+				next_pos -= normal * Chunk::Extent();
+			}
+			mod_chunk->BlockAt(next_pos).type = world.BlockTypes()[place_id];
+			mod_chunk->Invalidate();
+		}
+		place = false;
+	}
 }
 
 void Application::Render() {
 	GLContext::Clear();
 
-	program.Use();
+	program.Activate();
 
-	glm::mat4 m(1.0f);
-	glm::mat4 mv(cam.View() * m);
-	glm::mat4 mvp(cam.MakeMVP(m));
-	glUniformMatrix4fv(m_handle, 1, GL_FALSE, &m[0][0]);
-	glUniformMatrix4fv(v_handle, 1, GL_FALSE, &cam.View()[0][0]);
-	glUniformMatrix4fv(mv_handle, 1, GL_FALSE, &mv[0][0]);
-	glUniformMatrix4fv(mvp_handle, 1, GL_FALSE, &mvp[0][0]);
-	glUniform3f(light_position_handle, light_position.x, light_position.y, light_position.z);
-	glUniform3f(light_color_handle, light_color.x, light_color.y, light_color.z);
-	glUniform1f(light_power_handle, light_power);
+	program.SetLightDirection({ -1.0f, -3.0f, -2.0f });
+	program.SetVP(cam.View(), cam.Projection());
+
+	for (Chunk &chunk : world.LoadedChunks()) {
+		program.SetM(chunk.Transform());
+		chunk.Draw();
+	}
 
-	chunk.Draw();
 	if (outline_visible) {
-		mv = cam.View() * outline_transform;
-		mvp = cam.MakeMVP(outline_transform);
-		glUniformMatrix4fv(m_handle, 1, GL_FALSE, &m[0][0]);
-		glUniformMatrix4fv(mv_handle, 1, GL_FALSE, &mv[0][0]);
-		glUniformMatrix4fv(mvp_handle, 1, GL_FALSE, &mvp[0][0]);
+		program.SetM(outline_transform);
 		outline.Draw();
 	}
 
+	hud.Render(program);
+
 	window.Flip();
 }