#include "app.hpp"
+#include "geometry.hpp"
+
#include <iostream>
#include <stdexcept>
, pitch_sensitivity(-0.0025f)
, yaw_sensitivity(-0.001f)
, cam()
-, model({
- // vertices
- { 0.0f, 0.0f, 1.0f }, // front, red
- { 1.0f, 0.0f, 1.0f },
- { 0.0f, 1.0f, 1.0f },
- { 1.0f, 0.0f, 1.0f },
- { 1.0f, 1.0f, 1.0f },
- { 0.0f, 1.0f, 1.0f },
- { 0.0f, 0.0f, 0.0f }, // back, cyan
- { 0.0f, 1.0f, 0.0f },
- { 1.0f, 0.0f, 0.0f },
- { 1.0f, 0.0f, 0.0f },
- { 0.0f, 1.0f, 0.0f },
- { 1.0f, 1.0f, 0.0f },
- { 0.0f, 1.0f, 0.0f }, // top, green
- { 0.0f, 1.0f, 1.0f },
- { 1.0f, 1.0f, 0.0f },
- { 1.0f, 1.0f, 0.0f },
- { 0.0f, 1.0f, 1.0f },
- { 1.0f, 1.0f, 1.0f },
- { 0.0f, 0.0f, 0.0f }, // bottom, magenta
- { 1.0f, 0.0f, 0.0f },
- { 0.0f, 0.0f, 1.0f },
- { 1.0f, 0.0f, 0.0f },
- { 1.0f, 0.0f, 1.0f },
- { 0.0f, 0.0f, 1.0f },
- { 0.0f, 0.0f, 0.0f }, // left, blue
- { 0.0f, 0.0f, 1.0f },
- { 0.0f, 1.0f, 0.0f },
- { 0.0f, 1.0f, 0.0f },
- { 0.0f, 0.0f, 1.0f },
- { 0.0f, 1.0f, 1.0f },
- { 1.0f, 0.0f, 0.0f }, // right, yellow
- { 1.0f, 1.0f, 0.0f },
- { 1.0f, 0.0f, 1.0f },
- { 1.0f, 0.0f, 1.0f },
- { 1.0f, 1.0f, 0.0f },
- { 1.0f, 1.0f, 1.0f },
-}, {
- // colors
- { 1.0f, 0.0f, 0.0f }, // front, red
- { 1.0f, 0.0f, 0.0f },
- { 1.0f, 0.0f, 0.0f },
- { 1.0f, 0.0f, 0.0f },
- { 1.0f, 0.0f, 0.0f },
- { 1.0f, 0.0f, 0.0f },
- { 0.0f, 1.0f, 1.0f }, // back, cyan
- { 0.0f, 1.0f, 1.0f },
- { 0.0f, 1.0f, 1.0f },
- { 0.0f, 1.0f, 1.0f },
- { 0.0f, 1.0f, 1.0f },
- { 0.0f, 1.0f, 1.0f },
- { 0.0f, 1.0f, 0.0f }, // top, green
- { 0.0f, 1.0f, 0.0f },
- { 0.0f, 1.0f, 0.0f },
- { 0.0f, 1.0f, 0.0f },
- { 0.0f, 1.0f, 0.0f },
- { 0.0f, 1.0f, 0.0f },
- { 1.0f, 0.0f, 1.0f }, // bottom, magenta
- { 1.0f, 0.0f, 1.0f },
- { 1.0f, 0.0f, 1.0f },
- { 1.0f, 0.0f, 1.0f },
- { 1.0f, 0.0f, 1.0f },
- { 1.0f, 0.0f, 1.0f },
- { 0.0f, 0.0f, 1.0f }, // left, blue
- { 0.0f, 0.0f, 1.0f },
- { 0.0f, 0.0f, 1.0f },
- { 0.0f, 0.0f, 1.0f },
- { 0.0f, 0.0f, 1.0f },
- { 0.0f, 0.0f, 1.0f },
- { 1.0f, 1.0f, 0.0f }, // right, yellow
- { 1.0f, 1.0f, 0.0f },
- { 1.0f, 1.0f, 0.0f },
- { 1.0f, 1.0f, 0.0f },
- { 1.0f, 1.0f, 0.0f },
- { 1.0f, 1.0f, 0.0f },
-}, {
- // normals
- { 0.0f, 0.0f, 1.0f }, // front, red
- { 0.0f, 0.0f, 1.0f },
- { 0.0f, 0.0f, 1.0f },
- { 0.0f, 0.0f, 1.0f },
- { 0.0f, 0.0f, 1.0f },
- { 0.0f, 0.0f, 1.0f },
- { 0.0f, 0.0f, -1.0f }, // back, cyan
- { 0.0f, 0.0f, -1.0f },
- { 0.0f, 0.0f, -1.0f },
- { 0.0f, 0.0f, -1.0f },
- { 0.0f, 0.0f, -1.0f },
- { 0.0f, 0.0f, -1.0f },
- { 0.0f, 1.0f, 0.0f }, // top, green
- { 0.0f, 1.0f, 0.0f },
- { 0.0f, 1.0f, 0.0f },
- { 0.0f, 1.0f, 0.0f },
- { 0.0f, 1.0f, 0.0f },
- { 0.0f, 1.0f, 0.0f },
- { 0.0f, -1.0f, 0.0f }, // bottom, magenta
- { 0.0f, -1.0f, 0.0f },
- { 0.0f, -1.0f, 0.0f },
- { 0.0f, -1.0f, 0.0f },
- { 0.0f, -1.0f, 0.0f },
- { 0.0f, -1.0f, 0.0f },
- { -1.0f, 0.0f, 0.0f }, // left, blue
- { -1.0f, 0.0f, 0.0f },
- { -1.0f, 0.0f, 0.0f },
- { -1.0f, 0.0f, 0.0f },
- { -1.0f, 0.0f, 0.0f },
- { -1.0f, 0.0f, 0.0f },
- { 1.0f, 0.0f, 0.0f }, // right, yellow
- { 1.0f, 0.0f, 0.0f },
- { 1.0f, 0.0f, 0.0f },
- { 1.0f, 0.0f, 0.0f },
- { 1.0f, 0.0f, 0.0f },
- { 1.0f, 0.0f, 0.0f },
-})
-, modelCtrl()
-, light_position(5.0f, 5.0f, 5.0f)
+, 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(50.0f)
+, light_power(250.0f)
, m_handle(0)
, v_handle(0)
, mv_handle(0)
, 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,
"layout(location = 2) in vec3 vtx_normal;\n"
"uniform mat4 M;\n"
"uniform mat4 V;\n"
+ "uniform mat4 MV;\n"
"uniform mat4 MVP;\n"
"uniform vec3 light_position;\n"
"out vec3 frag_color;\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"
+ "vec3 vtx_camera = (MV * 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"
+ "normal = (MV * vec4(vtx_normal, 0)).xyz;\n"
"frag_color = vtx_color;\n"
"}\n"
);
glGenVertexArrays(1, &VertexArrayID);
glBindVertexArray(VertexArrayID);
- modelCtrl.Position(glm::vec3(0, 0, -4));
- cam.Position(glm::vec3(0, 0, 4));
+ cam.Position(glm::vec3(0, 4, 4));
+
+ world.Generate();
+
+ 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");
glClearColor(0.0, 0.0, 0.0, 1.0);
}
-Application::~Application() {
-
-}
-
void Application::Run() {
running = true;
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);
cam.OrientationVelocity(vel);
cam.Update(dt);
- modelCtrl.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_transform = glm::translate(chunk->Transform(), pos);
+ } else {
+ outline_visible = false;
+ }
+
+ if (pick) {
+ if (chunk) {
+ place_id = chunk->BlockAt(blkid).type->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() {
- glClear(GL_COLOR_BUFFER_BIT);
+ GLContext::Clear();
program.Use();
- glm::mat4 m(modelCtrl.Transform());
- 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);
- model.Draw();
+ for (Chunk &chunk : world.LoadedChunks()) {
+ glm::mat4 m(chunk.Transform());
+ glm::mat4 mv(cam.View() * m);
+ glm::mat4 mvp(cam.MakeMVP(m));
+ 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]);
+ chunk.Draw();
+ }
+
+ if (outline_visible) {
+ glm::mat4 m(outline_transform);
+ glm::mat4 mv(cam.View() * outline_transform);
+ glm::mat4 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();
}