#include "app.hpp"
+#include "geometry.hpp"
+
#include <iostream>
#include <stdexcept>
, move_velocity(0.003f)
, pitch_sensitivity(-0.0025f)
, yaw_sensitivity(-0.001f)
-, blockType()
, cam()
-, chunk()
-, 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)
+, hud()
+, world()
+, outline()
+, outline_visible(false)
+, outline_transform(1.0f)
, 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)));
-
- 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();
+ world.Generate();
- 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;
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);
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;
cam.OrientationVelocity(vel);
cam.Update(dt);
+
+ Ray aim = cam.Aim();
+ Chunk *chunk;
+ int blkid;
+ float 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.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();
+
+ program.SetLightDirection({ -1.0f, -3.0f, -2.0f });
+ program.SetVP(cam.View(), cam.Projection());
- 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);
+ for (Chunk &chunk : world.LoadedChunks()) {
+ program.SetM(chunk.Transform());
+ chunk.Draw();
+ }
+
+ if (outline_visible) {
+ program.SetM(outline_transform);
+ outline.Draw();
+ }
- chunk.Draw();
+ hud.Render(program);
window.Flip();
}