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feat(rendering): add basic diffuse and ambient lighting to block rendering

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zhenyan121
2026-06-16 13:53:47 +08:00
parent f4114c2699
commit f43ef64691
11 changed files with 146 additions and 21 deletions
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8
include/Cubed/constants.hpp
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@@ -23,9 +23,11 @@ constexpr float DEFAULT_MAX_RUN_SPEED = 7.0f;
constexpr float DEFAULT_ACCELERATION = 10.0f;
constexpr float DEFAULT_DECELERATION = 15.0f;
constexpr float DEFAULT_G = 22.5f;
static constexpr int SIZE_X = CHUNK_SIZE;
static constexpr int SIZE_Y = WORLD_SIZE_Y;
static constexpr int SIZE_Z = CHUNK_SIZE;
constexpr int SIZE_X = CHUNK_SIZE;
constexpr int SIZE_Y = WORLD_SIZE_Y;
constexpr int SIZE_Z = CHUNK_SIZE;
constexpr float AMBIENT_STRENGTH = 0.3f;
constexpr ChunkPos CHUNK_DIR[]{{1, 0}, {-1, 0}, {0, 1}, {0, -1},
{1, 1}, {-1, 1}, {1, -1}, {-1, -1}};

2
include/Cubed/gameplay/vertex_data.hpp
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@@ -7,7 +7,7 @@
namespace Cubed {
class World;
struct VertexData {
std::vector<Vertex> m_vertices;
std::vector<Vertex3D> m_vertices;
GLuint m_vbo = 0;
GLuint m_vao = 0;
std::atomic<std::size_t> m_sum{0};

3
include/Cubed/gameplay/world.hpp
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@@ -40,6 +40,7 @@ private:
using ChunkPosSet = std::unordered_set<ChunkPos, ChunkPos::Hash>;
using ChunkHashMap = std::unordered_map<ChunkPos, Chunk, ChunkPos::Hash>;
glm::vec3 m_gen_player_pos{0.0f, 0.0f, 0.0f};
glm::vec3 m_sunlight_dir{1.0f, 2.0f, 1.0f};
ChunkHashMap m_chunks;
std::unordered_map<std::size_t, Player> m_players;
std::vector<glm::vec4> m_planes;
@@ -125,6 +126,8 @@ public:
RiverWorm& river_worm();
std::vector<glm::vec4>& planes();
std::vector<ChunkRenderSnapshot>& render_snapshots();
glm::vec3 sunlight_dir() const;
};
} // namespace Cubed

66
include/Cubed/primitive_data.hpp
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@@ -91,6 +91,51 @@ constexpr float TEX_COORDS[6][6][2] = {
{0.0f, 1.0f}, // back left
{0.0f, 0.0f}} // front left
};
constexpr float NORMALS[6][6][3] = {
// ===== front (z = +1) =====
{{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}},
// ===== right (x = +1) =====
{{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}},
// ===== back (z = -1) =====
{{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}},
// ===== left (x = -1) =====
{{-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}},
// ===== top (y = +1) =====
{{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 (y = -1) =====
{{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}}};
#pragma endregion
constexpr float CUBE_VER[24] = {0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 1.0, 1.0,
0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 1.0, 1.0,
@@ -148,6 +193,24 @@ constexpr float CROSS_TEX_COORDS[2][6][2] = {
{1.0f, 1.0f}, // bottom right
{0.0f, 1.0f}}, // bottom left
};
constexpr float CROSS_NORMALS[2][6][3] = {
// ===== Plane 1: upward =====
{{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}},
// ===== Plane 2: upward =====
{{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}}};
#pragma endregion
constexpr float QUAD_VERTICES[] = {
@@ -156,10 +219,11 @@ constexpr float QUAD_VERTICES[] = {
-1.0f, 1.0f, 0.0f, 1.0f, 1.0f, -1.0f, 1.0f, 0.0f, 1.0f, 1.0f, 1.0f, 1.0f};
struct Vertex {
struct Vertex3D {
float x = 0.0f, y = 0.0f, z = 0.0f;
float s = 0.0f, t = 0.0f;
float layer = 0.0f;
float nx = 0.0f, ny = 0.0f, nz = 0.0f;
};
struct Vertex2D {

3
include/Cubed/renderer.hpp
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@@ -30,6 +30,7 @@ public:
void updata_framebuffer(int width, int height);
private:
static constexpr glm::vec3 SUNLIGHT_COLOR{1.0f, 1.0f, 1.0f};
const Camera& m_camera;
DevPanel& m_dev_panel;
const TextureManager& m_texture_manager;
@@ -43,7 +44,7 @@ private:
float m_width = 0.0f;
float m_height = 0.0f;
glm::mat4 m_p_mat, m_v_mat, m_m_mat, m_mv_mat, m_mvp_mat;
glm::mat4 m_p_mat, m_v_mat, m_m_mat, m_mv_mat, m_mvp_mat, m_norm_mat;
GLuint m_mv_loc = 0;
GLuint m_proj_loc = 0;