#include "app.hpp"
-#include "geometry.hpp"
-
#include <iostream>
#include <stdexcept>
, ctx(window.CreateContext())
, init_glew()
, program()
-, move_velocity(0.003f)
-, pitch_sensitivity(-0.0025f)
-, yaw_sensitivity(-0.001f)
, cam()
, 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)
-, place(false)
-, remove(false)
-, pick(false)
-, remove_id(0)
-, place_id(1) {
+, interface(world)
+, test_controller(MakeTestEntity(world))
+, running(false) {
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 MV;\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 = (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 = (MV * 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);
+ glClearColor(0.0, 0.0, 0.0, 1.0);
+}
- cam.Position(glm::vec3(0, 4, 4));
+Entity &Application::MakeTestEntity(World &world) {
+ Entity &e = world.AddEntity();
+ e.Position({ 0.0f, 0.0f, 0.0f });
+ e.SetShape(world.BlockTypes()[1]->shape, { 1.0f, 1.0f, 0.0f });
+ e.AngularVelocity(glm::quat(glm::vec3{ 0.00001f, 0.000006f, 0.000013f }));
+ return e;
+}
- 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();
+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;
+ }
+}
- 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");
+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;
+ }
+}
- glClearColor(0.0, 0.0, 0.0, 1.0);
+void Application::RunS(size_t n, size_t t) {
+ for (size_t i = 0; i < n; ++i) {
+ Loop(t);
+ }
}
switch (event.type) {
case SDL_KEYDOWN:
case SDL_KEYUP:
- switch (event.key.keysym.sym) {
- case SDLK_w:
- front = event.key.state == SDL_PRESSED;
- break;
- case SDLK_s:
- back = event.key.state == SDL_PRESSED;
- break;
- case SDLK_a:
- left = event.key.state == SDL_PRESSED;
- break;
- case SDLK_d:
- right = event.key.state == SDL_PRESSED;
- break;
- case SDLK_q:
- up = event.key.state == SDL_PRESSED;
- break;
- case SDLK_e:
- down = event.key.state == SDL_PRESSED;
- break;
- }
+ interface.Handle(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;
- }
+ interface.Handle(event.button);
break;
case SDL_MOUSEMOTION:
- cam.RotateYaw(event.motion.xrel * yaw_sensitivity);
- cam.RotatePitch(event.motion.yrel * pitch_sensitivity);
+ interface.Handle(event.motion);
+ break;
+ case SDL_MOUSEWHEEL:
+ interface.Handle(event.wheel);
break;
case SDL_QUIT:
running = false;
break;
case SDL_WINDOWEVENT:
switch (event.window.event) {
+ case SDL_WINDOWEVENT_FOCUS_GAINED:
+ window.GrabMouse();
+ break;
+ case SDL_WINDOWEVENT_FOCUS_LOST:
+ window.ReleaseMouse();
+ break;
case SDL_WINDOWEVENT_RESIZED:
cam.Viewport(event.window.data1, event.window.data2);
+ interface.Handle(event.window);
break;
default:
+ interface.Handle(event.window);
break;
}
break;
}
void Application::Update(int dt) {
- glm::vec3 vel;
- if (right && !left) {
- vel.x = move_velocity;
- } else if (left && !right) {
- vel.x = -move_velocity;
- }
- if (up && !down) {
- vel.y = move_velocity;
- } else if (down && !up) {
- vel.y = -move_velocity;
- }
- if (back && !front) {
- vel.z = move_velocity;
- } else if (front && !back) {
- vel.z = -move_velocity;
- }
- 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_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;
- }
+ interface.Update(dt);
+ test_controller.Update(dt);
+ world.Update(dt);
}
void Application::Render() {
GLContext::Clear();
- program.Use();
+ program.Activate();
- glUniformMatrix4fv(v_handle, 1, GL_FALSE, &cam.View()[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.SetProjection(cam.Projection());
+ world.Render(program);
- 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();
- }
+ interface.Render(program);
window.Flip();
}