X-Git-Url: http://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fapp.cpp;h=716fb3caa4ee7530ddddcaa47975de228efd58a6;hb=b4995967309bf5570161db2287e27b84ca94ab9a;hp=d54e8df56d1d0e875da4e599cca3ae67ea4b67cb;hpb=b314df303ffedbd6d2e81872908d12fc9712801a;p=blank.git

diff --git a/src/app.cpp b/src/app.cpp
index d54e8df..716fb3c 100644
--- a/src/app.cpp
+++ b/src/app.cpp
@@ -1,92 +1,75 @@
 #include "app.hpp"
 
+#include "geometry.hpp"
+
 #include <iostream>
 #include <stdexcept>
 
 
-namespace {
-
-constexpr GLfloat vtx_coords[] = {
-	-1.0f, -1.0f, -1.0f,
-	 1.0f, -1.0f, -1.0f,
-	 0.0f,  1.0f, -1.0f,
-};
-
-}
-
 namespace blank {
 
 Application::Application()
 : init_sdl()
+, init_img()
 , init_gl()
 , window()
 , ctx(window.CreateContext())
 , init_glew()
 , program()
-, vtx_buf(0)
-, mvp()
-, mvp_handle(0)
-, running(false) {
+, cam()
+, hud()
+, world()
+, controller(world.Player())
+, outline()
+, outline_visible(false)
+, outline_transform(1.0f)
+, running(false)
+, place(false)
+, remove(false)
+, pick(false)
+, remove_id(0)
+, place_id(1) {
 	GLContext::EnableVSync();
-	program.LoadShader(
-		GL_VERTEX_SHADER,
-		"#version 330 core\n"
-		"layout(location = 0) in vec3 vertexPosition_modelspace;\n"
-		"uniform mat4 MVP;\n"
-		"void main() {\n"
-			"vec4 v = vec4(vertexPosition_modelspace, 1);\n"
-			"gl_Position = MVP * v;\n"
-		"}\n"
-	);
-	program.LoadShader(
-		GL_FRAGMENT_SHADER,
-		"#version 330 core\n"
-		"out vec3 color;\n"
-		"void main() {\n"
-			"color = vec3(1, 1, 1);\n"
-		"}\n"
-	);
-	program.Link();
-	if (!program.Linked()) {
-		program.Log(std::cerr);
-		throw std::runtime_error("link program");
-	}
 
-	GLuint VertexArrayID;
-	glGenVertexArrays(1, &VertexArrayID);
-	glBindVertexArray(VertexArrayID);
-
-	glGenBuffers(1, &vtx_buf);
-	glBindBuffer(GL_ARRAY_BUFFER, vtx_buf);
-	glBufferData(GL_ARRAY_BUFFER, sizeof(vtx_coords), vtx_coords, GL_STATIC_DRAW);
-
-	glm::mat4 projection = glm::perspective(
-		45.0f, // FOV in degrees
-		1.0f,  // aspect ratio
-		0.1f,  // near clip
-		100.0f // far clip
-	);
-	glm::mat4 view = glm::lookAt(
-		glm::vec3(0, 0,  0),  // observer
-		glm::vec3(0, 0, -1), // target
-		glm::vec3(0, 1,  0) // up
-	);
-	glm::mat4 model(1.0f); // identity: no transformation
-	mvp = projection * view * model;
-
-	mvp_handle = program.UniformLocation("MVP");
+	hud.Viewport(960, 600);
+	hud.Display(*world.BlockTypes()[place_id]);
 
 	glClearColor(0.0, 0.0, 0.0, 1.0);
 }
 
-Application::~Application() {
 
+void Application::RunN(size_t n) {
+	Uint32 last = SDL_GetTicks();
+	for (size_t i = 0; i < n; ++i) {
+		Uint32 now = SDL_GetTicks();
+		int delta = now - last;
+		Loop(delta);
+		last = now;
+	}
+}
+
+void Application::RunT(size_t t) {
+	Uint32 last = SDL_GetTicks();
+	Uint32 finish = last + t;
+	while (last < finish) {
+		Uint32 now = SDL_GetTicks();
+		int delta = now - last;
+		Loop(delta);
+		last = now;
+	}
+}
+
+void Application::RunS(size_t n, size_t t) {
+	for (size_t i = 0; i < n; ++i) {
+		Loop(t);
+	}
 }
 
 
 void Application::Run() {
 	running = true;
 	Uint32 last = SDL_GetTicks();
+	window.GrabMouse();
 	while (running) {
 		Uint32 now = SDL_GetTicks();
 		int delta = now - last;
@@ -97,6 +80,7 @@ void Application::Run() {
 
 void Application::Loop(int dt) {
 	HandleEvents();
+	Update(dt);
 	Render();
 }
 
@@ -105,38 +89,107 @@ void Application::HandleEvents() {
 	SDL_Event event;
 	while (SDL_PollEvent(&event)) {
 		switch (event.type) {
+			case SDL_KEYDOWN:
+			case SDL_KEYUP:
+				controller.HandleKeyboard(event.key);
+				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:
+				controller.HandleMouse(event.motion);
+				break;
 			case SDL_QUIT:
 				running = false;
 				break;
+			case SDL_WINDOWEVENT:
+				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;
+				}
+				break;
 			default:
 				break;
 		}
 	}
 }
 
+void Application::Update(int dt) {
+	controller.Update(dt);
+	world.Update(dt);
+
+	Ray aim = controller.Aim();
+	Chunk *chunk;
+	int blkid;
+	float dist;
+	glm::vec3 normal;
+	if (world.Intersection(aim, glm::mat4(1.0f), &chunk, &blkid, &dist, &normal)) {
+		outline_visible = true;
+		outline.Clear();
+		chunk->Type(chunk->BlockAt(blkid)).FillOutlineModel(outline);
+		outline_transform = glm::scale(glm::mat4(1.0f), glm::vec3(1.0002f));
+		outline_transform = chunk->Transform(world.Player().ChunkCoords());
+		outline_transform *= chunk->ToTransform(blkid);
+	} else {
+		outline_visible = false;
+	}
+
+	if (pick) {
+		if (chunk) {
+			place_id = chunk->BlockAt(blkid).type;
+			hud.Display(*world.BlockTypes()[place_id]);
+		}
+		pick = false;
+	}
+	if (remove) {
+		if (chunk) {
+			chunk->BlockAt(blkid).type = 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 * glm::vec3(Chunk::Extent());
+			}
+			mod_chunk->BlockAt(next_pos).type = place_id;
+			mod_chunk->Invalidate();
+		}
+		place = false;
+	}
+}
+
 void Application::Render() {
-	glClear(GL_COLOR_BUFFER_BIT);
-
-	program.Use();
-
-	glUniformMatrix4fv(mvp_handle, 1, GL_FALSE, &mvp[0][0]);
-
-	glEnableVertexAttribArray(0);
-	glBindBuffer(GL_ARRAY_BUFFER, vtx_buf);
-	glVertexAttribPointer(
-		0,        // attribute 0 (for shader)
-		3,        // size
-		GL_FLOAT, // type
-		GL_FALSE, // normalized
-		0,        // stride
-		nullptr   // offset
-	);
-	glDrawArrays(
-		GL_TRIANGLES, // how
-		0,            // start
-		3             // len
-	);
-	glDisableVertexAttribArray(0);
+	GLContext::Clear();
+
+	program.Activate();
+
+	program.SetProjection(cam.Projection());
+	world.Render(program);
+
+	if (outline_visible) {
+		program.SetM(outline_transform);
+		outline.Draw();
+	}
+
+	hud.Render(program);
 
 	window.Flip();
 }