X-Git-Url: http://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fapp.cpp;h=9ec9384f9ce749198af886d8fb16cff93c5d5ac3;hb=8881c507009521d08648560984c0f50166224542;hp=b398e9c20e4e032e7c6b9d59df18a39746e7239a;hpb=ac8765b510707d77cac9620778f40ddf3a4ad2a2;p=blank.git

diff --git a/src/app.cpp b/src/app.cpp
index b398e9c..9ec9384 100644
--- a/src/app.cpp
+++ b/src/app.cpp
@@ -1,5 +1,7 @@
 #include "app.hpp"
 
+#include "geometry.hpp"
+
 #include <iostream>
 #include <stdexcept>
 
@@ -20,6 +22,9 @@ Application::Application()
 , blockType()
 , cam()
 , chunk()
+, 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)
@@ -36,7 +41,12 @@ Application::Application()
 , 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();
@@ -130,6 +140,23 @@ Application::Application()
 	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");
@@ -141,10 +168,6 @@ Application::Application()
 	glClearColor(0.0, 0.0, 0.0, 1.0);
 }
 
-Application::~Application() {
-
-}
-
 
 void Application::Run() {
 	running = true;
@@ -192,6 +215,18 @@ void Application::HandleEvents() {
 						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);
@@ -234,6 +269,40 @@ void Application::Update(int dt) {
 	cam.OrientationVelocity(vel);
 
 	cam.Update(dt);
+
+	Ray aim = cam.Aim();
+	int blkid;
+	float dist;
+	glm::vec3 normal;
+	if (chunk.Intersection(aim, glm::mat4(1.0f), &blkid, &dist, &normal)) {
+		glm::vec3 pos = Chunk::ToCoords(blkid);
+		outline_visible = true;
+		outline_transform = glm::translate(glm::mat4(1.0f), pos);
+	} else {
+		outline_visible = false;
+	}
+
+	if (pick) {
+		if (outline_visible) {
+			place_id = chunk.BlockAt(blkid).type->id;
+		}
+		pick = false;
+	}
+	if (remove) {
+		chunk.BlockAt(blkid).type = blockType[remove_id];
+		chunk.Invalidate();
+		remove = false;
+	}
+	if (place) {
+		if (outline_visible) {
+			int next_blkid = Chunk::ToIndex(Chunk::ToCoords(blkid) + normal);
+			if (next_blkid >= 0 && next_blkid < Chunk::Size()) {
+				chunk.BlockAt(next_blkid).type = blockType[place_id];
+				chunk.Invalidate();
+			}
+		}
+		place = false;
+	}
 }
 
 void Application::Render() {
@@ -253,6 +322,14 @@ void Application::Render() {
 	glUniform1f(light_power_handle, light_power);
 
 	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]);
+		outline.Draw();
+	}
 
 	window.Flip();
 }